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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-11-03 19:02:27 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-11-03 19:02:27 +0000
commit0a2b2965cd687a2be744552b09f4f5cf2fde4c0f (patch)
tree9166127f79cbe0b37ab9b278968529b8ddfef738 /target/linux/ifxmips/files/arch/mips
parentf0efddfaa0c34142a6abbe8ae3de2181f608d710 (diff)
[ifxmips]:
* bump kernel to 2.6.35.8 * merge arcadyn mach files * fixes ar9 * adds hack for tapi drivers git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23836 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips')
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig125
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Kconfig15
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Makefile2
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/board.c39
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c38
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.c33
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.h16
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/dma-core.c690
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/irq.c233
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-arv452.c170
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-easy50812.c77
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/ar9/setup.c103
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/Makefile2
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.c122
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.h12
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/early_printk.c56
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/gpio.c345
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/pmu.c25
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/prom.c107
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/common/setup.c107
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/compat/Makefile1
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/compat/cgu.c173
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/compat/timer.c830
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/Kconfig29
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/Makefile5
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.c49
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.h7
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/cgu.c38
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.c169
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.h16
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/dma-core.c690
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/ebu.c96
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/irq.c253
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-arv45xx.c186
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy4010.c72
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy50712.c72
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/danube/setup.c96
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips.h520
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h64
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h195
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h23
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h40
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h155
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h78
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h26
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_platform.h9
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h32
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h24
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/irq.h28
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/machine.h22
-rw-r--r--target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/war.h24
-rw-r--r--target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c120
-rw-r--r--target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c209
53 files changed, 6668 insertions, 0 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig
new file mode 100644
index 000000000..c03b3d111
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig
@@ -0,0 +1,125 @@
+if IFXMIPS
+
+choice
+ prompt "Infineon SoC chip selection"
+ default SOC_DANUBE
+ help
+ Select Infineon MIPS SoC type.
+
+ config IFXMIPS_DANUBE
+ bool "Danube/Twinpass"
+ select SOC_DANUBE
+
+ config IFXMIPS_ASE
+ bool "Amazon-SE"
+ select SOC_ASE
+
+ config IFXMIPS_AR9
+ bool "AR9"
+ select SOC_AR9
+
+ config IFXMIPS_VR9
+ bool "VR9"
+ select SOC_VR9
+
+endchoice
+
+source "arch/mips/ifxmips/danube/Kconfig"
+
+config SOC_DANUBE
+ bool
+ select DMA_NONCOHERENT
+ select IRQ_CPU
+ select CEVT_R4K
+ select CSRC_R4K
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select HAVE_STD_PC_SERIAL_PORT
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_HAS_EARLY_PRINTK
+ select HW_HAS_PCI
+ select ARCH_REQUIRE_GPIOLIB
+ select SWAP_IO_SPACE
+ select MIPS_MACHINE
+
+config SOC_ASE
+ bool
+ select DMA_NONCOHERENT
+ select IRQ_CPU
+ select CEVT_R4K
+ select CSRC_R4K
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select HAVE_STD_PC_SERIAL_PORT
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_HAS_EARLY_PRINTK
+ select HW_HAS_PCI
+ select ARCH_REQUIRE_GPIOLIB
+ select SWAP_IO_SPACE
+ select MIPS_MACHINE
+
+config SOC_AR9
+ bool
+ select DMA_NONCOHERENT
+ select IRQ_CPU
+ select CEVT_R4K
+ select CSRC_R4K
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select HAVE_STD_PC_SERIAL_PORT
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_HAS_EARLY_PRINTK
+ select HW_HAS_PCI
+ select ARCH_REQUIRE_GPIOLIB
+ select SWAP_IO_SPACE
+ select MIPS_MACHINE
+
+config SOC_VR9
+ bool
+ select DMA_NONCOHERENT
+ select IRQ_CPU
+ select CEVT_R4K
+ select CSRC_R4K
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select HAVE_STD_PC_SERIAL_PORT
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_HAS_EARLY_PRINTK
+ select HW_HAS_PCI
+ select ARCH_REQUIRE_GPIOLIB
+ select SWAP_IO_SPACE
+ select MIPS_MACHINE
+
+if EARLY_PRINTK
+menu "Infineon SoC settings"
+
+choice
+ prompt "Early printk port"
+ help
+ Choose which serial port is used, until the console driver is loaded
+
+config IFXMIPS_PROM_ASC0
+ bool "ASC0"
+
+config IFXMIPS_PROM_ASC1
+ bool "ASC1"
+
+endchoice
+
+endmenu
+endif
+
+config IFXMIPS_COMPAT
+ bool "Spinacer compatibility"
+ default y
+ help
+ Enable this to get some legacy API. This is needed if you use Lantiq DSL and VOIP drivers.
+endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Kconfig b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Kconfig
new file mode 100644
index 000000000..0b192aafa
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Kconfig
@@ -0,0 +1,15 @@
+if IFXMIPS_DANUBE
+
+config IFXMIPS_ARCAYDIAN_BRNBOOT
+ bool
+ default n
+
+menu "Lantiq SoC machine selection"
+
+config DANUBE_MACH_EASY80712
+ bool "Easy50812"
+ default y
+
+endmenu
+
+endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Makefile b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Makefile
new file mode 100644
index 000000000..cc6a38dde
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/Makefile
@@ -0,0 +1,2 @@
+obj-y := dma-core.o irq.o setup.o devices.o cgu.o
+obj-$(CONFIG_DANUBE_MACH_EASY50812) += mach-easy50812.o
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/board.c
new file mode 100644
index 000000000..e06284ed1
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/board.c
@@ -0,0 +1,39 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c
new file mode 100644
index 000000000..d69d2f0bf
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c
@@ -0,0 +1,38 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
+#include <linux/errno.h>
+
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+void
+cgu_setup_pci_clk(int external_clock)
+{
+ /* set clock to 33Mhz */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000,
+ IFXMIPS_CGU_IFCCR);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000,
+ IFXMIPS_CGU_IFCCR);
+ if (external_clock)
+ {
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16),
+ IFXMIPS_CGU_IFCCR);
+ ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR);
+ } else {
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16),
+ IFXMIPS_CGU_IFCCR);
+ ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
+ }
+}
+
+
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.c
new file mode 100644
index 000000000..ff06dcd0c
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.c
@@ -0,0 +1,33 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+
+/* pci */
+extern int ifxmips_pci_external_clock;
+extern int ifxmips_pci_req_mask;
+
+void __init
+ar9_register_pci(int clock, int irq_mask)
+{
+ ifxmips_pci_external_clock = clock;
+ if(irq_mask)
+ ifxmips_pci_req_mask = irq_mask;
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.h b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.h
new file mode 100644
index 000000000..0d1618a67
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/devices.h
@@ -0,0 +1,16 @@
+#ifndef _DANUBE_DEVICES_H__
+#define _DANUBE_DEVICES_H__
+
+#include "../common/devices.h"
+
+enum {
+ PCI_CLOCK_INT = 0,
+ PCI_CLOCK_EXT
+};
+
+void __init ar9_register_usb(void);
+void __init ar9_register_ebu_gpio(struct resource *resource, u32 value);
+void __init ar9_register_ethernet(unsigned char *mac);
+void __init ar9_register_pci(int clock, int irq_mask);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/dma-core.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/dma-core.c
new file mode 100644
index 000000000..084b2839a
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/dma-core.c
@@ -0,0 +1,690 @@
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/stat.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/selection.h>
+#include <linux/kmod.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/uaccess.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_dma.h>
+#include <ifxmips_pmu.h>
+
+/*25 descriptors for each dma channel,4096/8/20=25.xx*/
+#define IFXMIPS_DMA_DESCRIPTOR_OFFSET 25
+
+#define MAX_DMA_DEVICE_NUM 6 /*max ports connecting to dma */
+#define MAX_DMA_CHANNEL_NUM 20 /*max dma channels */
+#define DMA_INT_BUDGET 100 /*budget for interrupt handling */
+#define DMA_POLL_COUNTER 4 /*fix me, set the correct counter value here! */
+
+extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr);
+extern void ifxmips_enable_irq(unsigned int irq_nr);
+extern void ifxmips_disable_irq(unsigned int irq_nr);
+
+u64 *g_desc_list;
+struct dma_device_info dma_devs[MAX_DMA_DEVICE_NUM];
+struct dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM];
+
+static const char *global_device_name[MAX_DMA_DEVICE_NUM] =
+ { "PPE", "DEU", "SPI", "SDIO", "MCTRL0", "MCTRL1" };
+
+struct dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = {
+ {"PPE", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH0_INT, 0},
+ {"PPE", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH1_INT, 0},
+ {"PPE", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH2_INT, 1},
+ {"PPE", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH3_INT, 1},
+ {"PPE", IFXMIPS_DMA_RX, 2, IFXMIPS_DMA_CH4_INT, 2},
+ {"PPE", IFXMIPS_DMA_TX, 2, IFXMIPS_DMA_CH5_INT, 2},
+ {"PPE", IFXMIPS_DMA_RX, 3, IFXMIPS_DMA_CH6_INT, 3},
+ {"PPE", IFXMIPS_DMA_TX, 3, IFXMIPS_DMA_CH7_INT, 3},
+ {"DEU", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH8_INT, 0},
+ {"DEU", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH9_INT, 0},
+ {"DEU", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH10_INT, 1},
+ {"DEU", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH11_INT, 1},
+ {"SPI", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH12_INT, 0},
+ {"SPI", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH13_INT, 0},
+ {"SDIO", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH14_INT, 0},
+ {"SDIO", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH15_INT, 0},
+ {"MCTRL0", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH16_INT, 0},
+ {"MCTRL0", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH17_INT, 0},
+ {"MCTRL1", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH18_INT, 1},
+ {"MCTRL1", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH19_INT, 1}
+};
+
+struct dma_chan_map *chan_map = default_dma_map;
+volatile u32 g_ifxmips_dma_int_status;
+volatile int g_ifxmips_dma_in_process; /* 0=not in process, 1=in process */
+
+void do_dma_tasklet(unsigned long);
+DECLARE_TASKLET(dma_tasklet, do_dma_tasklet, 0);
+
+u8 *common_buffer_alloc(int len, int *byte_offset, void **opt)
+{
+ u8 *buffer = kmalloc(len * sizeof(u8), GFP_KERNEL);
+
+ *byte_offset = 0;
+
+ return buffer;
+}
+
+void common_buffer_free(u8 *dataptr, void *opt)
+{
+ kfree(dataptr);
+}
+
+void enable_ch_irq(struct dma_channel_info *pCh)
+{
+ int chan_no = (int)(pCh - dma_chan);
+ unsigned long flag;
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(0x4a, IFXMIPS_DMA_CIE);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
+ local_irq_restore(flag);
+ ifxmips_enable_irq(pCh->irq);
+}
+
+void disable_ch_irq(struct dma_channel_info *pCh)
+{
+ unsigned long flag;
+ int chan_no = (int) (pCh - dma_chan);
+
+ local_irq_save(flag);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(0, IFXMIPS_DMA_CIE);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN);
+ local_irq_restore(flag);
+ ifxmips_mask_and_ack_irq(pCh->irq);
+}
+
+void open_chan(struct dma_channel_info *pCh)
+{
+ unsigned long flag;
+ int chan_no = (int)(pCh - dma_chan);
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 1, IFXMIPS_DMA_CCTRL);
+ if (pCh->dir == IFXMIPS_DMA_RX)
+ enable_ch_irq(pCh);
+ local_irq_restore(flag);
+}
+
+void close_chan(struct dma_channel_info *pCh)
+{
+ unsigned long flag;
+ int chan_no = (int) (pCh - dma_chan);
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ disable_ch_irq(pCh);
+ local_irq_restore(flag);
+}
+
+void reset_chan(struct dma_channel_info *pCh)
+{
+ int chan_no = (int) (pCh - dma_chan);
+
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL);
+}
+
+void rx_chan_intr_handler(int chan_no)
+{
+ struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev;
+ struct dma_channel_info *pCh = &dma_chan[chan_no];
+ struct rx_desc *rx_desc_p;
+ int tmp;
+ unsigned long flag;
+
+ /*handle command complete interrupt */
+ rx_desc_p = (struct rx_desc *)pCh->desc_base + pCh->curr_desc;
+ if (rx_desc_p->status.field.OWN == CPU_OWN
+ && rx_desc_p->status.field.C
+ && rx_desc_p->status.field.data_length < 1536){
+ /* Every thing is correct, then we inform the upper layer */
+ pDev->current_rx_chan = pCh->rel_chan_no;
+ if (pDev->intr_handler)
+ pDev->intr_handler(pDev, RCV_INT);
+ pCh->weight--;
+ } else {
+ local_irq_save(flag);
+ tmp = ifxmips_r32(IFXMIPS_DMA_CS);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS);
+ ifxmips_w32(tmp, IFXMIPS_DMA_CS);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ local_irq_restore(flag);
+ ifxmips_enable_irq(dma_chan[chan_no].irq);
+ }
+}
+
+inline void tx_chan_intr_handler(int chan_no)
+{
+ struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev;
+ struct dma_channel_info *pCh = &dma_chan[chan_no];
+ int tmp;
+ unsigned long flag;
+
+ local_irq_save(flag);
+ tmp = ifxmips_r32(IFXMIPS_DMA_CS);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS);
+ ifxmips_w32(tmp, IFXMIPS_DMA_CS);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ local_irq_restore(flag);
+ pDev->current_tx_chan = pCh->rel_chan_no;
+ if (pDev->intr_handler)
+ pDev->intr_handler(pDev, TRANSMIT_CPT_INT);
+}
+
+void do_dma_tasklet(unsigned long unused)
+{
+ int i;
+ int chan_no = 0;
+ int budget = DMA_INT_BUDGET;
+ int weight = 0;
+ unsigned long flag;
+
+ while (g_ifxmips_dma_int_status) {
+ if (budget-- < 0) {
+ tasklet_schedule(&dma_tasklet);
+ return;
+ }
+ chan_no = -1;
+ weight = 0;
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ if ((g_ifxmips_dma_int_status & (1 << i)) && dma_chan[i].weight > 0) {
+ if (dma_chan[i].weight > weight) {
+ chan_no = i;
+ weight = dma_chan[chan_no].weight;
+ }
+ }
+ }
+
+ if (chan_no >= 0) {
+ if (chan_map[chan_no].dir == IFXMIPS_DMA_RX)
+ rx_chan_intr_handler(chan_no);
+ else
+ tx_chan_intr_handler(chan_no);
+ } else {
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+ dma_chan[i].weight = dma_chan[i].default_weight;
+ }
+ }
+
+ local_irq_save(flag);
+ g_ifxmips_dma_in_process = 0;
+ if (g_ifxmips_dma_int_status) {
+ g_ifxmips_dma_in_process = 1;
+ tasklet_schedule(&dma_tasklet);
+ }
+ local_irq_restore(flag);
+}
+
+irqreturn_t dma_interrupt(int irq, void *dev_id)
+{
+ struct dma_channel_info *pCh;
+ int chan_no = 0;
+ int tmp;
+
+ pCh = (struct dma_channel_info *)dev_id;
+ chan_no = (int)(pCh - dma_chan);
+ if (chan_no < 0 || chan_no > 19)
+ BUG();
+
+ tmp = ifxmips_r32(IFXMIPS_DMA_IRNEN);
+ ifxmips_w32(0, IFXMIPS_DMA_IRNEN);
+ g_ifxmips_dma_int_status |= 1 << chan_no;
+ ifxmips_w32(tmp, IFXMIPS_DMA_IRNEN);
+ ifxmips_mask_and_ack_irq(irq);
+
+ if (!g_ifxmips_dma_in_process) {
+ g_ifxmips_dma_in_process = 1;
+ tasklet_schedule(&dma_tasklet);
+ }
+
+ return IRQ_HANDLED;
+}
+
+struct dma_device_info *dma_device_reserve(char *dev_name)
+{
+ int i;
+
+ for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) {
+ if (strcmp(dev_name, dma_devs[i].device_name) == 0) {
+ if (dma_devs[i].reserved)
+ return NULL;
+ dma_devs[i].reserved = 1;
+ break;
+ }
+ }
+
+ return &dma_devs[i];
+}
+EXPORT_SYMBOL(dma_device_reserve);
+
+void dma_device_release(struct dma_device_info *dev)
+{
+ dev->reserved = 0;
+}
+EXPORT_SYMBOL(dma_device_release);
+
+void dma_device_register(struct dma_device_info *dev)
+{
+ int i, j;
+ int chan_no = 0;
+ u8 *buffer;
+ int byte_offset;
+ unsigned long flag;
+ struct dma_device_info *pDev;
+ struct dma_channel_info *pCh;
+ struct rx_desc *rx_desc_p;
+ struct tx_desc *tx_desc_p;
+
+ for (i = 0; i < dev->max_tx_chan_num; i++) {
+ pCh = dev->tx_chan[i];
+ if (pCh->control == IFXMIPS_DMA_CH_ON) {
+ chan_no = (int)(pCh - dma_chan);
+ for (j = 0; j < pCh->desc_len; j++) {
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + j;
+ memset(tx_desc_p, 0, sizeof(struct tx_desc));
+ }
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ /* check if the descriptor length is changed */
+ if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len)
+ ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN);
+
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2)
+ ;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
+ ifxmips_w32(0x30100, IFXMIPS_DMA_CCTRL); /* reset and enable channel,enable channel later */
+ local_irq_restore(flag);
+ }
+ }
+
+ for (i = 0; i < dev->max_rx_chan_num; i++) {
+ pCh = dev->rx_chan[i];
+ if (pCh->control == IFXMIPS_DMA_CH_ON) {
+ chan_no = (int)(pCh - dma_chan);
+
+ for (j = 0; j < pCh->desc_len; j++) {
+ rx_desc_p = (struct rx_desc *)pCh->desc_base + j;
+ pDev = (struct dma_device_info *)(pCh->dma_dev);
+ buffer = pDev->buffer_alloc(pCh->packet_size, &byte_offset, (void *)&(pCh->opt[j]));
+ if (!buffer)
+ break;
+
+ dma_cache_inv((unsigned long) buffer, pCh->packet_size);
+
+ rx_desc_p->Data_Pointer = (u32)CPHYSADDR((u32)buffer);
+ rx_desc_p->status.word = 0;
+ rx_desc_p->status.field.byte_offset = byte_offset;
+ rx_desc_p->status.field.OWN = DMA_OWN;
+ rx_desc_p->status.field.data_length = pCh->packet_size;
+ }
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ /* check if the descriptor length is changed */
+ if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len)
+ ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2)
+ ;
+ ifxmips_w32(0x0a, IFXMIPS_DMA_CIE); /* fix me, should enable all the interrupts here? */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
+ ifxmips_w32(0x30000, IFXMIPS_DMA_CCTRL);
+ local_irq_restore(flag);
+ ifxmips_enable_irq(dma_chan[chan_no].irq);
+ }
+ }
+}
+EXPORT_SYMBOL(dma_device_register);
+
+void dma_device_unregister(struct dma_device_info *dev)
+{
+ int i, j;
+ int chan_no;
+ struct dma_channel_info *pCh;
+ struct rx_desc *rx_desc_p;
+ struct tx_desc *tx_desc_p;
+ unsigned long flag;
+
+ for (i = 0; i < dev->max_tx_chan_num; i++) {
+ pCh = dev->tx_chan[i];
+ if (pCh->control == IFXMIPS_DMA_CH_ON) {
+ chan_no = (int)(dev->tx_chan[i] - dma_chan);
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ pCh->curr_desc = 0;
+ pCh->prev_desc = 0;
+ pCh->control = IFXMIPS_DMA_CH_OFF;
+ ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1)
+ ;
+ local_irq_restore(flag);
+
+ for (j = 0; j < pCh->desc_len; j++) {
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + j;
+ if ((tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C)
+ || (tx_desc_p->status.field.OWN == DMA_OWN && tx_desc_p->status.field.data_length > 0)) {
+ dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), (void *)pCh->opt[j]);
+ }
+ tx_desc_p->status.field.OWN = CPU_OWN;
+ memset(tx_desc_p, 0, sizeof(struct tx_desc));
+ }
+ /* TODO should free buffer that is not transferred by dma */
+ }
+ }
+
+ for (i = 0; i < dev->max_rx_chan_num; i++) {
+ pCh = dev->rx_chan[i];
+ chan_no = (int)(dev->rx_chan[i] - dma_chan);
+ ifxmips_disable_irq(pCh->irq);
+
+ local_irq_save(flag);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ pCh->curr_desc = 0;
+ pCh->prev_desc = 0;
+ pCh->control = IFXMIPS_DMA_CH_OFF;
+
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1)
+ ;
+
+ local_irq_restore(flag);
+ for (j = 0; j < pCh->desc_len; j++) {
+ rx_desc_p = (struct rx_desc *) pCh->desc_base + j;
+ if ((rx_desc_p->status.field.OWN == CPU_OWN
+ && rx_desc_p->status.field.C)
+ || (rx_desc_p->status.field.OWN == DMA_OWN
+ && rx_desc_p->status.field.data_length > 0)) {
+ dev->buffer_free((u8 *)
+ __va(rx_desc_p->Data_Pointer),
+ (void *) pCh->opt[j]);
+ }
+ }
+ }
+}
+EXPORT_SYMBOL(dma_device_unregister);
+
+int dma_device_read(struct dma_device_info *dma_dev, u8 **dataptr, void **opt)
+{
+ u8 *buf;
+ int len;
+ int byte_offset = 0;
+ void *p = NULL;
+ struct dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan];
+ struct rx_desc *rx_desc_p;
+
+ /* get the rx data first */
+ rx_desc_p = (struct rx_desc *) pCh->desc_base + pCh->curr_desc;
+ if (!(rx_desc_p->status.field.OWN == CPU_OWN && rx_desc_p->status.field.C))
+ return 0;
+
+ buf = (u8 *) __va(rx_desc_p->Data_Pointer);
+ *(u32 *)dataptr = (u32)buf;
+ len = rx_desc_p->status.field.data_length;
+
+ if (opt)
+ *(int *)opt = (int)pCh->opt[pCh->curr_desc];
+
+ /* replace with a new allocated buffer */
+ buf = dma_dev->buffer_alloc(pCh->packet_size, &byte_offset, &p);
+
+ if (buf) {
+ dma_cache_inv((unsigned long) buf, pCh->packet_size);
+ pCh->opt[pCh->curr_desc] = p;
+ wmb();
+
+ rx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) buf);
+ rx_desc_p->status.word = (DMA_OWN << 31) | ((byte_offset) << 23) | pCh->packet_size;
+ wmb();
+ } else {
+ *(u32 *) dataptr = 0;
+ if (opt)
+ *(int *) opt = 0;
+ len = 0;
+ }
+
+ /* increase the curr_desc pointer */
+ pCh->curr_desc++;
+ if (pCh->curr_desc == pCh->desc_len)
+ pCh->curr_desc = 0;
+
+ return len;
+}
+EXPORT_SYMBOL(dma_device_read);
+
+int dma_device_write(struct dma_device_info *dma_dev, u8 *dataptr, int len, void *opt)
+{
+ unsigned long flag;
+ u32 tmp, byte_offset;
+ struct dma_channel_info *pCh;
+ int chan_no;
+ struct tx_desc *tx_desc_p;
+ local_irq_save(flag);
+
+ pCh = dma_dev->tx_chan[dma_dev->current_tx_chan];
+ chan_no = (int)(pCh - (struct dma_channel_info *) dma_chan);
+
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc;
+ while (tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) {
+ dma_dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), pCh->opt[pCh->prev_desc]);
+ memset(tx_desc_p, 0, sizeof(struct tx_desc));
+ pCh->prev_desc = (pCh->prev_desc + 1) % (pCh->desc_len);
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc;
+ }
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->curr_desc;
+ /* Check whether this descriptor is available */
+ if (tx_desc_p->status.field.OWN == DMA_OWN || tx_desc_p->status.field.C) {
+ /* if not, the tell the upper layer device */
+ dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT);
+ local_irq_restore(flag);
+ printk(KERN_INFO "%s %d: failed to write!\n", __func__, __LINE__);
+
+ return 0;
+ }
+ pCh->opt[pCh->curr_desc] = opt;
+ /* byte offset----to adjust the starting address of the data buffer, should be multiple of the burst length. */
+ byte_offset = ((u32) CPHYSADDR((u32) dataptr)) % ((dma_dev->tx_burst_len) * 4);
+ dma_cache_wback((unsigned long) dataptr, len);
+ wmb();
+ tx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) dataptr) - byte_offset;
+ wmb();
+ tx_desc_p->status.word = (DMA_OWN << 31) | DMA_DESC_SOP_SET | DMA_DESC_EOP_SET | ((byte_offset) << 23) | len;
+ wmb();
+
+ pCh->curr_desc++;
+ if (pCh->curr_desc == pCh->desc_len)
+ pCh->curr_desc = 0;
+
+ /*Check whether this descriptor is available */
+ tx_desc_p = (struct tx_desc *) pCh->desc_base + pCh->curr_desc;
+ if (tx_desc_p->status.field.OWN == DMA_OWN) {
+ /*if not , the tell the upper layer device */
+ dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT);
+ }
+
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ tmp = ifxmips_r32(IFXMIPS_DMA_CCTRL);
+
+ if (!(tmp & 1))
+ pCh->open(pCh);
+
+ local_irq_restore(flag);
+
+ return len;
+}
+EXPORT_SYMBOL(dma_device_write);
+
+int map_dma_chan(struct dma_chan_map *map)
+{
+ int i, j;
+ int result;
+
+ for (i = 0; i < MAX_DMA_DEVICE_NUM; i++)
+ strcpy(dma_devs[i].device_name, global_device_name[i]);
+
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ dma_chan[i].irq = map[i].irq;
+ result = request_irq(dma_chan[i].irq, dma_interrupt, IRQF_DISABLED, map[i].dev_name, (void *)&dma_chan[i]);
+ if (result) {
+ printk(KERN_WARNING "error, cannot get dma_irq!\n");
+ free_irq(dma_chan[i].irq, (void *) &dma_interrupt);
+
+ return -EFAULT;
+ }
+ }
+
+ for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) {
+ dma_devs[i].num_tx_chan = 0; /*set default tx channel number to be one */
+ dma_devs[i].num_rx_chan = 0; /*set default rx channel number to be one */
+ dma_devs[i].max_rx_chan_num = 0;
+ dma_devs[i].max_tx_chan_num = 0;
+ dma_devs[i].buffer_alloc = &common_buffer_alloc;
+ dma_devs[i].buffer_free = &common_buffer_free;
+ dma_devs[i].intr_handler = NULL;
+ dma_devs[i].tx_burst_len = 4;
+ dma_devs[i].rx_burst_len = 4;
+ if (i == 0) {
+ ifxmips_w32(0, IFXMIPS_DMA_PS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_PCTRL) | ((0xf << 8) | (1 << 6)), IFXMIPS_DMA_PCTRL); /*enable dma drop */
+ }
+
+ if (i == 1) {
+ ifxmips_w32(1, IFXMIPS_DMA_PS);
+ ifxmips_w32(0x14, IFXMIPS_DMA_PCTRL); /*deu port setting */
+ }
+
+ for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) {
+ dma_chan[j].byte_offset = 0;
+ dma_chan[j].open = &open_chan;
+ dma_chan[j].close = &close_chan;
+ dma_chan[j].reset = &reset_chan;
+ dma_chan[j].enable_irq = &enable_ch_irq;
+ dma_chan[j].disable_irq = &disable_ch_irq;
+ dma_chan[j].rel_chan_no = map[j].rel_chan_no;
+ dma_chan[j].control = IFXMIPS_DMA_CH_OFF;
+ dma_chan[j].default_weight = IFXMIPS_DMA_CH_DEFAULT_WEIGHT;
+ dma_chan[j].weight = dma_chan[j].default_weight;
+ dma_chan[j].curr_desc = 0;
+ dma_chan[j].prev_desc = 0;
+ }
+
+ for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) {
+ if (strcmp(dma_devs[i].device_name, map[j].dev_name) == 0) {
+ if (map[j].dir == IFXMIPS_DMA_RX) {
+ dma_chan[j].dir = IFXMIPS_DMA_RX;
+ dma_devs[i].max_rx_chan_num++;
+ dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1] = &dma_chan[j];
+ dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1]->pri = map[j].pri;
+ dma_chan[j].dma_dev = (void *)&dma_devs[i];
+ } else if (map[j].dir == IFXMIPS_DMA_TX) {
+ /*TX direction */
+ dma_chan[j].dir = IFXMIPS_DMA_TX;
+ dma_devs[i].max_tx_chan_num++;
+ dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1] = &dma_chan[j];
+ dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1]->pri = map[j].pri;
+ dma_chan[j].dma_dev = (void *)&dma_devs[i];
+ } else {
+ printk(KERN_WARNING "WRONG DMA MAP!\n");
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+void dma_chip_init(void)
+{
+ int i;
+
+ /* enable DMA from PMU */
+ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
+
+ /* reset DMA */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CTRL) | 1, IFXMIPS_DMA_CTRL);
+
+ /* disable all interrupts */
+ ifxmips_w32(0, IFXMIPS_DMA_IRNEN);
+
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ ifxmips_w32(i, IFXMIPS_DMA_CS);
+ ifxmips_w32(0x2, IFXMIPS_DMA_CCTRL);
+ ifxmips_w32(0x80000040, IFXMIPS_DMA_CPOLL);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~0x1, IFXMIPS_DMA_CCTRL);
+ }
+}
+
+int ifxmips_dma_init(void)
+{
+ int i;
+
+ dma_chip_init();
+ if (map_dma_chan(default_dma_map))
+ BUG();
+
+ g_desc_list = (u64 *)KSEG1ADDR(__get_free_page(GFP_DMA));
+
+ if (g_desc_list == NULL) {
+ printk(KERN_WARNING "no memory for desriptor\n");
+ return -ENOMEM;
+ }
+
+ memset(g_desc_list, 0, PAGE_SIZE);
+
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ dma_chan[i].desc_base = (u32)g_desc_list + i * IFXMIPS_DMA_DESCRIPTOR_OFFSET * 8;
+ dma_chan[i].curr_desc = 0;
+ dma_chan[i].desc_len = IFXMIPS_DMA_DESCRIPTOR_OFFSET;
+
+ ifxmips_w32(i, IFXMIPS_DMA_CS);
+ ifxmips_w32((u32)CPHYSADDR(dma_chan[i].desc_base), IFXMIPS_DMA_CDBA);
+ ifxmips_w32(dma_chan[i].desc_len, IFXMIPS_DMA_CDLEN);
+ }
+
+ return 0;
+}
+
+arch_initcall(ifxmips_dma_init);
+
+void dma_cleanup(void)
+{
+ int i;
+
+ free_page(KSEG0ADDR((unsigned long) g_desc_list));
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+ free_irq(dma_chan[i].irq, (void *)&dma_interrupt);
+}
+
+MODULE_LICENSE("GPL");
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/irq.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/irq.c
new file mode 100644
index 000000000..18b8d01d4
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/irq.c
@@ -0,0 +1,233 @@
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/irq_cpu.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+
+void
+ifxmips_disable_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *ier = IFXMIPS_ICU_IM0_IER;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier);
+ return;
+ }
+ ier += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+EXPORT_SYMBOL(ifxmips_disable_irq);
+
+void
+ifxmips_mask_and_ack_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *ier = IFXMIPS_ICU_IM0_IER;
+ u32 *isr = IFXMIPS_ICU_IM0_ISR;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier);
+ ifxmips_w32((1 << irq_nr), isr);
+ return;
+ }
+ ier += IFXMIPS_ICU_OFFSET;
+ isr += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+EXPORT_SYMBOL(ifxmips_mask_and_ack_irq);
+
+void
+ifxmips_enable_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *ier = IFXMIPS_ICU_IM0_IER;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32(ifxmips_r32(ier) | (1 << irq_nr), ier);
+ return;
+ }
+ ier += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+EXPORT_SYMBOL(ifxmips_enable_irq);
+
+static unsigned int
+ifxmips_startup_irq(unsigned int irq)
+{
+ ifxmips_enable_irq(irq);
+ return 0;
+}
+
+static void
+ifxmips_end_irq(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ ifxmips_enable_irq(irq);
+}
+
+static struct irq_chip
+ifxmips_irq_type = {
+ "ifxmips",
+ .startup = ifxmips_startup_irq,
+ .enable = ifxmips_enable_irq,
+ .disable = ifxmips_disable_irq,
+ .unmask = ifxmips_enable_irq,
+ .ack = ifxmips_end_irq,
+ .mask = ifxmips_disable_irq,
+ .mask_ack = ifxmips_mask_and_ack_irq,
+ .end = ifxmips_end_irq,
+};
+
+/* silicon bug causes only the msb set to 1 to be valid. all
+ other bits might be bogus */
+static inline int
+ls1bit32(unsigned long x)
+{
+ __asm__ (
+ ".set push \n"
+ ".set mips32 \n"
+ "clz %0, %1 \n"
+ ".set pop \n"
+ : "=r" (x)
+ : "r" (x));
+ return 31 - x;
+}
+
+static void
+ifxmips_hw_irqdispatch(int module)
+{
+ u32 irq;
+
+ irq = ifxmips_r32(IFXMIPS_ICU_IM0_IOSR + (module * IFXMIPS_ICU_OFFSET));
+ if (irq == 0)
+ return;
+
+ /* we need to do this due to a silicon bug */
+ irq = ls1bit32(irq);
+ do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module));
+
+ if ((irq == 22) && (module == 0))
+ ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_ISTAT) | 0x10,
+ IFXMIPS_EBU_PCC_ISTAT);
+}
+
+#ifdef CONFIG_CPU_MIPSR2_IRQ_VI
+#define DEFINE_HWx_IRQDISPATCH(x) \
+static void ifxmips_hw ## x ## _irqdispatch(void)\
+{\
+ ifxmips_hw_irqdispatch(x); \
+}
+static void ifxmips_hw5_irqdispatch(void)
+{
+ do_IRQ(MIPS_CPU_TIMER_IRQ);
+}
+DEFINE_HWx_IRQDISPATCH(0)
+DEFINE_HWx_IRQDISPATCH(1)
+DEFINE_HWx_IRQDISPATCH(2)
+DEFINE_HWx_IRQDISPATCH(3)
+DEFINE_HWx_IRQDISPATCH(4)
+/*DEFINE_HWx_IRQDISPATCH(5)*/
+#endif /* #ifdef CONFIG_CPU_MIPSR2_IRQ_VI */
+
+asmlinkage void
+plat_irq_dispatch(void)
+{
+ unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
+ unsigned int i;
+
+ if (pending & CAUSEF_IP7)
+ {
+ do_IRQ(MIPS_CPU_TIMER_IRQ);
+ goto out;
+ } else {
+ for (i = 0; i < 5; i++)
+ {
+ if (pending & (CAUSEF_IP2 << i))
+ {
+ ifxmips_hw_irqdispatch(i);
+ goto out;
+ }
+ }
+ }
+ printk(KERN_ALERT "Spurious IRQ: CAUSE=0x%08x\n", read_c0_status());
+
+out:
+ return;
+}
+
+static struct irqaction
+cascade = {
+ .handler = no_action,
+ .flags = IRQF_DISABLED,
+ .name = "cascade",
+};
+
+void __init
+arch_init_irq(void)
+{
+ int i;
+
+ for (i = 0; i < 5; i++)
+ ifxmips_w32(0, IFXMIPS_ICU_IM0_IER + (i * IFXMIPS_ICU_OFFSET));
+
+ mips_cpu_irq_init();
+
+ for (i = 2; i <= 6; i++)
+ setup_irq(i, &cascade);
+
+#ifdef CONFIG_CPU_MIPSR2_IRQ_VI
+ if (cpu_has_vint) {
+ printk(KERN_INFO "Setting up vectored interrupts\n");
+ set_vi_handler(2, ifxmips_hw0_irqdispatch);
+ set_vi_handler(3, ifxmips_hw1_irqdispatch);
+ set_vi_handler(4, ifxmips_hw2_irqdispatch);
+ set_vi_handler(5, ifxmips_hw3_irqdispatch);
+ set_vi_handler(6, ifxmips_hw4_irqdispatch);
+ set_vi_handler(7, ifxmips_hw5_irqdispatch);
+ }
+#endif
+
+ for (i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++)
+ set_irq_chip_and_handler(i, &ifxmips_irq_type,
+ handle_level_irq);
+
+ #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC)
+ set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 |
+ IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+ #else
+ set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 |
+ IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+ #endif
+}
+
+void __cpuinit
+arch_fixup_c0_irqs(void)
+{
+ /* FIXME: check for CPUID and only do fix for specific chips/versions */
+ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
+ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ;
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-arv452.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-arv452.c
new file mode 100644
index 000000000..1a53b82ce
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-arv452.c
@@ -0,0 +1,170 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_buttons.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <machine.h>
+#include <ifxmips_prom.h>
+
+#include "arcaydian.h"
+#include "devices.h"
+
+#define ARV452_EBU_GPIO_START 0x14000000
+#define ARV452_EBU_GPIO_SIZE 0x00001000
+
+#define ARV452_GPIO_BUTTON_RESET 14
+#define ARV452_BUTTONS_POLL_INTERVAL 20
+
+#define ARV452_LATCH_SWITCH (1 << 10)
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition arv452_partitions[] =
+{
+ {
+ .name = "uboot",
+ .offset = 0x0,
+ .size = 0x20000,
+ },
+ {
+ .name = "uboot_env",
+ .offset = 0x20000,
+ .size = 0x0,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "board_config",
+ .offset = 0x3f0000,
+ .size = 0x10000,
+ },
+ {
+ .name = "openwrt",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+};
+#endif
+
+static struct physmap_flash_data arv452_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+ .nr_parts = ARRAY_SIZE(arv452_partitions),
+ .parts = arv452_partitions,
+#endif
+};
+
+static struct gpio_led
+arv452_leds_gpio[] __initdata = {
+/*
+ { .name = "ifx0", .gpio = 0, .active_low = 1, },
+ { .name = "ifx1", .gpio = 1, .active_low = 1, },
+ { .name = "ifx2", .gpio = 2, .active_low = 1, },
+*/
+ { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, },
+ { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, },
+ { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, },
+ { .name = "ifx:red:power", .gpio = 6, .active_low = 1, },
+ { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, },
+ { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, },
+/*
+ { .name = "ifx10", .gpio = 10, .active_low = 1, },
+ { .name = "ifx11", .gpio = 11, .active_low = 1, },
+ { .name = "ifx12", .gpio = 12, .active_low = 1, },
+ { .name = "ifx13", .gpio = 13, .active_low = 1, },
+ { .name = "ifx14", .gpio = 14, .active_low = 1, },
+ { .name = "ifx15", .gpio = 15, .active_low = 1, },
+ { .name = "ifx16", .gpio = 16, .active_low = 1, },
+ { .name = "ifx17", .gpio = 17, .active_low = 1, },
+ { .name = "ifx18", .gpio = 18, .active_low = 1, },
+ { .name = "ifx19", .gpio = 19, .active_low = 1, },
+ { .name = "ifx20", .gpio = 20, .active_low = 1, },
+ { .name = "ifx21", .gpio = 21, .active_low = 1, },
+ { .name = "ifx22", .gpio = 22, .active_low = 1, },
+ { .name = "ifx23", .gpio = 23, .active_low = 1, },
+ { .name = "ifx24", .gpio = 24, .active_low = 1, },
+ { .name = "ifx25", .gpio = 25, .active_low = 1, },
+ { .name = "ifx26", .gpio = 26, .active_low = 1, },
+ { .name = "ifx27", .gpio = 27, .active_low = 1, },
+ { .name = "ifx28", .gpio = 28, .active_low = 1, },
+ { .name = "ifx29", .gpio = 29, .active_low = 1, },
+ { .name = "ifx30", .gpio = 30, .active_low = 1, },
+ { .name = "ifx31", .gpio = 31, .active_low = 1, },
+*/
+ { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, },
+ { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, },
+ { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, },
+ { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, },
+ { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, },
+ { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, },
+ { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, },
+/* { .name = "ifx39", .gpio = 39, .active_low = 1, },
+ { .name = "ifx40", .gpio = 40, .active_low = 1, },
+ { .name = "ifx41", .gpio = 41, .active_low = 1, },
+ { .name = "ifx42", .gpio = 42, .active_low = 1, },
+ { .name = "ifx43", .gpio = 43, .active_low = 1, },
+ { .name = "ifx44", .gpio = 44, .active_low = 1, },
+ { .name = "ifx45", .gpio = 45, .active_low = 1, },
+ { .name = "ifx46", .gpio = 46, .active_low = 1, },
+ { .name = "ifx47", .gpio = 47, .active_low = 1, },
+*/
+};
+
+static struct gpio_button
+arv452_gpio_buttons[] __initdata = {
+ {
+ .desc = "reset",
+ .type = EV_KEY,
+ .code = BTN_0,
+ .threshold = 3,
+ .gpio = ARV452_GPIO_BUTTON_RESET,
+ .active_low = 1,
+ }
+};
+
+static struct resource arv452_ebu_resource =
+{
+ .name = "ebu-gpio",
+ .start = ARV452_EBU_GPIO_START,
+ .end = ARV452_EBU_GPIO_START + ARV452_EBU_GPIO_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static void __init
+arv452_init(void)
+{
+ unsigned char mac[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+ ifxmips_find_brn_mac(mac);
+
+ ifxmips_register_gpio();
+
+ ar9_register_ebu_gpio(&arv452_ebu_resource, ARV452_LATCH_SWITCH);
+
+ ifxmips_register_mtd(&arv452_flash_data);
+
+ ar9_register_pci(PCI_CLOCK_EXT, 0);
+
+ ifxmips_register_wdt();
+
+ ifxmips_register_gpio_leds(arv452_leds_gpio, ARRAY_SIZE(arv452_leds_gpio));
+
+ ar9_register_ethernet(mac);
+
+ ar9_register_usb();
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_ARV452,
+ "ARV452",
+ "Airties WAV-281, Arcor A800",
+ arv452_init);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-easy50812.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-easy50812.c
new file mode 100644
index 000000000..3f63a5d95
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/mach-easy50812.c
@@ -0,0 +1,77 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_buttons.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <machine.h>
+#include <ifxmips_prom.h>
+
+#include "devices.h"
+
+extern unsigned char ifxmips_ethaddr[6];
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition easy50812_partitions[] =
+{
+ {
+ .name = "uboot",
+ .offset = 0x0,
+ .size = 0x40000,
+ },
+ {
+ .name = "uboot_env",
+ .offset = 0x40000,
+ .size = 0x10000,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
+ }
+};
+#endif
+
+static struct physmap_flash_data easy50812_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+ .nr_parts = ARRAY_SIZE(easy50812_partitions),
+ .parts = easy50812_partitions,
+#endif
+};
+
+static struct gpio_led easy50812_leds[] = {
+ { .name = "ifx:green:test0", .gpio = 0,},
+ { .name = "ifx:green:test1", .gpio = 1,},
+ { .name = "ifx:green:test2", .gpio = 2,},
+ { .name = "ifx:green:test3", .gpio = 3,},
+};
+
+static void __init
+easy50812_init(void)
+{
+ ifxmips_register_gpio();
+
+ ifxmips_register_mtd(&easy50812_flash_data);
+
+ ifxmips_register_leds(easy50812_leds, ARRAY_SIZE(easy50812_leds));
+
+ ifxmips_register_wdt();
+
+ ar9_register_ethernet(ifxmips_ethaddr);
+
+ ar9_register_usb();
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_EASY50812,
+ "EASY50812",
+ "Lantiq AR9 Eval Board",
+ easy50812_init);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/setup.c
new file mode 100644
index 000000000..d13fc175f
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/setup.c
@@ -0,0 +1,103 @@
+#include <linux/cpu.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pm.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+#define SYSTEM_AR9 "AR9"
+#define SYSTEM_AR9_CHIPID1 0x00129083
+#define SYSTEM_AR9_CHIPID2 0x0012B083
+
+static unsigned int chiprev = 0;
+unsigned char ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN];
+
+unsigned int
+ifxmips_get_cpu_ver(void)
+{
+ return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28;
+}
+EXPORT_SYMBOL(ifxmips_get_cpu_ver);
+
+const char*
+get_system_type(void)
+{
+ return ifxmips_sys_type;
+}
+
+static void
+ifxmips_machine_restart(char *command)
+{
+ printk(KERN_NOTICE "System restart\n");
+ local_irq_disable();
+ ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL,
+ IFXMIPS_RCU_RST);
+ for(;;);
+}
+
+static void
+ifxmips_machine_halt(void)
+{
+ printk(KERN_NOTICE "System halted.\n");
+ local_irq_disable();
+ for(;;);
+}
+
+static void
+ifxmips_machine_power_off(void)
+{
+ printk(KERN_NOTICE "Please turn off the power now.\n");
+ local_irq_disable();
+ for(;;);
+}
+
+static inline u16 get_chip_partnum(void)
+{
+ return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFF000) >> 12;
+}
+
+void __init
+ifxmips_soc_setup(void)
+{
+ char *name = SYSTEM_AR9;
+ ioport_resource.start = IOPORT_RESOURCE_START;
+ ioport_resource.end = IOPORT_RESOURCE_END;
+ iomem_resource.start = IOMEM_RESOURCE_START;
+ iomem_resource.end = IOMEM_RESOURCE_END;
+
+ _machine_restart = ifxmips_machine_restart;
+ _machine_halt = ifxmips_machine_halt;
+ pm_power_off = ifxmips_machine_power_off;
+
+ switch (get_chip_partnum())
+ {
+ case 0x16C:
+ name = "ARX188";
+ break;
+ case 0x16D:
+ name = "ARX168";
+ break;
+ case 0x16F:
+ name = "ARX182";
+ break;
+ case 0x170:
+ name = "GRX188";
+ break;
+ case 0x171:
+ name = "GRX168";
+ break;
+ default:
+ printk(KERN_ERR "This is not a AR9 chiprev : 0x%08X\n", get_chip_partnum());
+ BUG();
+ break;
+ }
+
+ snprintf(ifxmips_sys_type, IFXMIPS_SYS_TYPE_LEN - 1, "%s rev1.%d %dMhz",
+ name, ifxmips_get_cpu_ver(),
+ ifxmips_get_cpu_hz() / 1000000);
+ ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN - 1] = '\0';
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/Makefile b/target/linux/ifxmips/files/arch/mips/ifxmips/common/Makefile
new file mode 100644
index 000000000..4c04aff09
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/Makefile
@@ -0,0 +1,2 @@
+obj-y := gpio.o pmu.o prom.o setup.o devices.o
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.c b/target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.c
new file mode 100644
index 000000000..dade30c40
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.c
@@ -0,0 +1,122 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+
+/* gpio leds */
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led_platform_data ifxmips_gpio_led_data;
+
+static struct platform_device ifxmips_gpio_leds =
+{
+ .name = "leds-gpio",
+ .dev = {
+ .platform_data = (void *) &ifxmips_gpio_led_data,
+ }
+};
+
+void __init
+ifxmips_register_gpio_leds(struct gpio_led *leds, int cnt)
+{
+ ifxmips_gpio_led_data.leds = leds;
+ ifxmips_gpio_led_data.num_leds = cnt;
+ platform_device_register(&ifxmips_gpio_leds);
+}
+#endif
+
+/* leds */
+static struct gpio_led_platform_data ifxmips_led_data;
+
+static struct platform_device ifxmips_led =
+{
+ .name = "ifxmips_led",
+ .dev = {
+ .platform_data = (void *) &ifxmips_led_data,
+ }
+};
+
+void __init
+ifxmips_register_leds(struct gpio_led *leds, int cnt)
+{
+ ifxmips_led_data.leds = leds;
+ ifxmips_led_data.num_leds = cnt;
+ platform_device_register(&ifxmips_led);
+}
+
+/* mtd flash */
+static struct resource ifxmips_mtd_resource =
+{
+ .start = IFXMIPS_FLASH_START,
+ .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ifxmips_mtd =
+{
+ .name = "ifxmips_mtd",
+ .resource = &ifxmips_mtd_resource,
+ .num_resources = 1,
+};
+
+void __init
+ifxmips_register_mtd(struct physmap_flash_data *pdata)
+{
+ ifxmips_mtd.dev.platform_data = pdata;
+ platform_device_register(&ifxmips_mtd);
+}
+
+/* watchdog */
+static struct resource ifxmips_wdt_resource =
+{
+ .start = IFXMIPS_WDT_BASE_ADDR,
+ .end = IFXMIPS_WDT_BASE_ADDR + IFXMIPS_WDT_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ifxmips_wdt =
+{
+ .name = "ifxmips_wdt",
+ .resource = &ifxmips_wdt_resource,
+ .num_resources = 1,
+};
+
+void __init
+ifxmips_register_wdt(void)
+{
+ platform_device_register(&ifxmips_wdt);
+}
+
+/* gpio */
+static struct platform_device ifxmips_gpio0 =
+{
+ .name = "ifxmips_gpio",
+};
+
+static struct platform_device ifxmips_gpio1 =
+{
+ .name = "ifxmips_gpio1",
+};
+
+void __init
+ifxmips_register_gpio(void)
+{
+ platform_device_register(&ifxmips_gpio0);
+ platform_device_register(&ifxmips_gpio1);
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.h b/target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.h
new file mode 100644
index 000000000..a3a932ccf
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/devices.h
@@ -0,0 +1,12 @@
+#ifndef _IFXMIPS_DEVICES_H__
+#define _IFXMIPS_DEVICES_H__
+
+#include <ifxmips_platform.h>
+
+void __init ifxmips_register_gpio_leds(struct gpio_led *leds, int cnt);
+void __init ifxmips_register_leds(struct gpio_led *leds, int cnt);
+void __init ifxmips_register_mtd(struct physmap_flash_data *pdata);
+void __init ifxmips_register_wdt(void);
+void __init ifxmips_register_gpio(void);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/early_printk.c b/target/linux/ifxmips/files/arch/mips/ifxmips/common/early_printk.c
new file mode 100644
index 000000000..140983639
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/early_printk.c
@@ -0,0 +1,56 @@
+#include <linux/init.h>
+#include <linux/cpu.h>
+
+#include <ifxmips.h>
+
+#ifdef CONFIG_IFXMIPS_PROM_ASC0
+#define IFXMIPS_ASC_DIFF 0
+#else
+#define IFXMIPS_ASC_DIFF IFXMIPS_ASC_BASE_DIFF
+#endif
+
+static char buf[1024];
+
+static inline u32
+asc_r32(unsigned long r)
+{
+ return ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_DIFF + r));
+}
+
+static inline void
+asc_w32(u32 v, unsigned long r)
+{
+ ifxmips_w32(v, (u32 *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_DIFF + r));
+}
+
+void
+prom_putchar(char c)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ while ((asc_r32(IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF);
+
+ if (c == '\n')
+ asc_w32('\r', IFXMIPS_ASC_TBUF);
+ asc_w32(c, IFXMIPS_ASC_TBUF);
+ local_irq_restore(flags);
+}
+
+void
+early_printf(const char *fmt, ...)
+{
+ va_list args;
+ int l;
+ char *p, *buf_end;
+
+ va_start(args, fmt);
+ l = vsprintf(buf, fmt, args);
+ va_end(args);
+ buf_end = buf + l;
+
+ for (p = buf; p < buf_end; p++)
+ prom_putchar(*p);
+}
+
+
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/common/gpio.c
new file mode 100644
index 000000000..1ac00ded5
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/gpio.c
@@ -0,0 +1,345 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2004 btxu Generate from INCA-IP project
+ * Copyright (C) 2005 Jin-Sze.Sow Comments edited
+ * Copyright (C) 2006 Huang Xiaogang Modification & verification on Danube chip
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+#include <linux/ioctl.h>
+#include <linux/timer.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/kobject.h>
+#include <linux/workqueue.h>
+#include <linux/skbuff.h>
+#include <linux/netlink.h>
+#include <linux/platform_device.h>
+#include <linux/uaccess.h>
+#include <linux/semaphore.h>
+#include <linux/gpio.h>
+
+#include <net/sock.h>
+
+#include <ifxmips.h>
+
+#define MAX_PORTS 2
+#define PINS_PER_PORT 16
+
+#define IFXMIPS_GPIO_SANITY {if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; }
+
+#define GPIO_TO_PORT(x) ((x > 15) ? (1) : (0))
+#define GPIO_TO_GPIO(x) ((x > 15) ? (x - 16) : (x))
+
+int
+ifxmips_port_reserve_pin(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ printk(KERN_INFO "%s : call to obseleted function\n", __func__);
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_reserve_pin);
+
+int
+ifxmips_port_free_pin(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ printk(KERN_INFO "%s : call to obseleted function\n", __func__);
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_free_pin);
+
+int
+ifxmips_port_set_open_drain(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_OD + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_open_drain);
+
+int
+ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_OD + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_open_drain);
+
+int
+ifxmips_port_set_pudsel(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_pudsel);
+
+int
+ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_pudsel);
+
+int
+ifxmips_port_set_puden(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_puden);
+
+int
+ifxmips_port_clear_puden(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_puden);
+
+int
+ifxmips_port_set_stoff(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_stoff);
+
+int
+ifxmips_port_clear_stoff(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_stoff);
+
+int
+ifxmips_port_set_dir_out(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_DIR + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_dir_out);
+
+int
+ifxmips_port_set_dir_in(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_DIR + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_dir_in);
+
+int
+ifxmips_port_set_output(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_OUT + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_output);
+
+int
+ifxmips_port_clear_output(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_OUT + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_output);
+
+int
+ifxmips_port_get_input(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ if (ifxmips_r32(IFXMIPS_GPIO_P0_IN + (port * 0xC)) & (1 << pin))
+ return 0;
+ else
+ return 1;
+}
+EXPORT_SYMBOL(ifxmips_port_get_input);
+
+int
+ifxmips_port_set_altsel0(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_altsel0);
+
+int
+ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_altsel0);
+
+int
+ifxmips_port_set_altsel1(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin),
+ IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_set_altsel1);
+
+int
+ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin)
+{
+ IFXMIPS_GPIO_SANITY;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin),
+ IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_port_clear_altsel1);
+
+static void
+ifxmips_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+{
+ int port = GPIO_TO_PORT(offset);
+ int gpio = GPIO_TO_GPIO(offset);
+ if(value)
+ ifxmips_port_set_output(port, gpio);
+ else
+ ifxmips_port_clear_output(port, gpio);
+}
+
+static int
+ifxmips_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+ int port = GPIO_TO_PORT(offset);
+ int gpio = GPIO_TO_GPIO(offset);
+ return ifxmips_port_get_input(port, gpio);
+}
+
+static int
+ifxmips_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
+{
+ int port = GPIO_TO_PORT(offset);
+ int gpio = GPIO_TO_GPIO(offset);
+ ifxmips_port_set_open_drain(port, gpio);
+ ifxmips_port_clear_altsel0(port, gpio);
+ ifxmips_port_clear_altsel1(port, gpio);
+ ifxmips_port_set_dir_in(port, gpio);
+ return 0;
+}
+
+static int
+ifxmips_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value)
+{
+ int port = GPIO_TO_PORT(offset);
+ int gpio = GPIO_TO_GPIO(offset);
+ ifxmips_port_clear_open_drain(port, gpio);
+ ifxmips_port_clear_altsel0(port, gpio);
+ ifxmips_port_clear_altsel1(port, gpio);
+ ifxmips_port_set_dir_out(port, gpio);
+ ifxmips_gpio_set(chip, offset, value);
+ return 0;
+}
+
+int
+gpio_to_irq(unsigned int gpio)
+{
+ return -EINVAL;
+}
+EXPORT_SYMBOL(gpio_to_irq);
+
+struct gpio_chip
+ifxmips_gpio_chip =
+{
+ .label = "ifxmips-gpio",
+ .direction_input = ifxmips_gpio_direction_input,
+ .direction_output = ifxmips_gpio_direction_output,
+ .get = ifxmips_gpio_get,
+ .set = ifxmips_gpio_set,
+ .base = 0,
+ .ngpio = 32,
+};
+
+static int
+ifxmips_gpio_probe(struct platform_device *dev)
+{
+ gpiochip_add(&ifxmips_gpio_chip);
+ return 0;
+}
+
+static int
+ifxmips_gpio_remove(struct platform_device *pdev)
+{
+ gpiochip_remove(&ifxmips_gpio_chip);
+ return 0;
+}
+
+static struct platform_driver
+ifxmips_gpio_driver = {
+ .probe = ifxmips_gpio_probe,
+ .remove = ifxmips_gpio_remove,
+ .driver = {
+ .name = "ifxmips_gpio",
+ .owner = THIS_MODULE,
+ },
+};
+
+int __init
+ifxmips_gpio_init(void)
+{
+ int ret = platform_driver_register(&ifxmips_gpio_driver);
+ if (ret)
+ printk(KERN_INFO "ifxmips_gpio : Error registering platfom driver!");
+ return ret;
+}
+
+void __exit
+ifxmips_gpio_exit(void)
+{
+ platform_driver_unregister(&ifxmips_gpio_driver);
+}
+
+module_init(ifxmips_gpio_init);
+module_exit(ifxmips_gpio_exit);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/pmu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/common/pmu.c
new file mode 100644
index 000000000..afd890bd9
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/pmu.c
@@ -0,0 +1,25 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+
+#include <ifxmips.h>
+
+void
+ifxmips_pmu_enable(unsigned int module)
+{
+ int err = 1000000;
+
+ ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) & ~module, IFXMIPS_PMU_PWDCR);
+ while (--err && (ifxmips_r32(IFXMIPS_PMU_PWDSR) & module));
+
+ if (!err)
+ panic("activating PMU module failed!");
+}
+EXPORT_SYMBOL(ifxmips_pmu_enable);
+
+void
+ifxmips_pmu_disable(unsigned int module)
+{
+ ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) | module, IFXMIPS_PMU_PWDCR);
+}
+EXPORT_SYMBOL(ifxmips_pmu_disable);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/prom.c b/target/linux/ifxmips/files/arch/mips/ifxmips/common/prom.c
new file mode 100644
index 000000000..e6176ae43
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/prom.c
@@ -0,0 +1,107 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/bootmem.h>
+#include <linux/etherdevice.h>
+
+#include <asm/bootinfo.h>
+#include <machine.h>
+
+#include <ifxmips.h>
+#include <ifxmips_prom.h>
+
+/* for Multithreading (APRP) on MIPS34K */
+unsigned long physical_memsize;
+
+void
+prom_free_prom_memory(void)
+{
+}
+
+extern unsigned char ifxmips_ethaddr[6];
+int cmdline_mac = 0;
+
+static int __init
+ifxmips_set_ethaddr(char *str)
+{
+#define IS_HEX(x) \
+ (((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \
+ || (x >= 'A' && x <= 'F')) ? (1) : (0))
+ int i;
+ str = strchr(str, '=');
+ if (!str)
+ goto out;
+ str++;
+ if (strlen(str) != 17)
+ goto out;
+ for (i = 0; i < 6; i++) {
+ if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
+ goto out;
+ if ((i != 5) && (str[(3 * i) + 2] != ':'))
+ goto out;
+ ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16);
+ }
+ if (is_valid_ether_addr(ifxmips_ethaddr))
+ cmdline_mac = 1;
+out:
+ return 1;
+}
+__setup("ethaddr", ifxmips_set_ethaddr);
+
+static void __init prom_detect_machtype(void)
+{
+ mips_machtype = IFXMIPS_MACH_EASY50712;
+}
+
+static void __init prom_init_cmdline(void)
+{
+ int argc = fw_arg0;
+ char **argv = (char **) fw_arg1;
+ char **envp = (char **) fw_arg2;
+
+ int memsize = 16; /* assume 16M as default */
+ int i;
+
+ if (argc)
+ {
+ argv = (char **)KSEG1ADDR((unsigned long)argv);
+ arcs_cmdline[0] = '\0';
+ for (i = 1; i < argc; i++)
+ {
+ char *a = (char *)KSEG1ADDR(argv[i]);
+ if (!argv[i])
+ continue;
+ if (strlen(arcs_cmdline) + strlen(a + 1) >= sizeof(arcs_cmdline))
+ {
+ printk("cmdline overflow, skipping: %s\n", a);
+ break;
+ }
+ strcat(arcs_cmdline, a);
+ strcat(arcs_cmdline, " ");
+ }
+ if (!*arcs_cmdline)
+ strcpy(&(arcs_cmdline[0]),
+ "console=ttyS0,115200 rootfstype=squashfs,jffs2");
+ }
+ envp = (char **)KSEG1ADDR((unsigned long)envp);
+ while (*envp)
+ {
+ char *e = (char *)KSEG1ADDR(*envp);
+
+ if (!strncmp(e, "memsize=", 8))
+ {
+ e += 8;
+ memsize = simple_strtoul(e, NULL, 10);
+ }
+ envp++;
+ }
+ memsize *= 1024 * 1024;
+
+ add_memory_region(0x00000000, memsize, BOOT_MEM_RAM);
+}
+
+void __init
+prom_init(void)
+{
+ prom_detect_machtype();
+ prom_init_cmdline();
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/common/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/common/setup.c
new file mode 100644
index 000000000..01d324977
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/common/setup.c
@@ -0,0 +1,107 @@
+#include <linux/init.h>
+#include <linux/cpu.h>
+
+#include <asm/time.h>
+#include <asm/traps.h>
+#include <asm/irq.h>
+#include <asm/bootinfo.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_pmu.h>
+#include <ifxmips_cgu.h>
+#include <ifxmips_prom.h>
+
+#include <machine.h>
+
+DEFINE_SPINLOCK(ebu_lock);
+EXPORT_SYMBOL_GPL(ebu_lock);
+
+static unsigned int r4k_offset;
+static unsigned int r4k_cur;
+
+static unsigned int ifxmips_ram_clocks[] = {CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M };
+#define DDR_HZ ifxmips_ram_clocks[ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3]
+
+extern void __init ifxmips_soc_setup(void);
+
+static inline u32
+ifxmips_get_counter_resolution(void)
+{
+ u32 res;
+ __asm__ __volatile__(
+ ".set push\n"
+ ".set mips32r2\n"
+ ".set noreorder\n"
+ "rdhwr %0, $3\n"
+ "ehb\n"
+ ".set pop\n"
+ : "=&r" (res)
+ : /* no input */
+ : "memory");
+ instruction_hazard();
+ return res;
+}
+
+void __init
+plat_time_init(void)
+{
+ mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution();
+ r4k_cur = (read_c0_count() + r4k_offset);
+ write_c0_compare(r4k_cur);
+
+ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI);
+ ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); /* set clock divider to 1 */
+}
+
+void __init
+plat_mem_setup(void)
+{
+ u32 status;
+
+ /* make sure to have no "reverse endian" for user mode! */
+ status = read_c0_status();
+ status &= (~(1<<25));
+ write_c0_status(status);
+
+ /* call the chip specific init code */
+ ifxmips_soc_setup();
+}
+
+
+unsigned int
+ifxmips_get_cpu_hz(void)
+{
+ switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc)
+ {
+ case 0:
+ return CLOCK_333M;
+ case 4:
+ return DDR_HZ;
+ case 8:
+ return DDR_HZ << 1;
+ default:
+ return DDR_HZ >> 1;
+ }
+}
+EXPORT_SYMBOL(ifxmips_get_cpu_hz);
+
+static int __init
+ifxmips_machine_setup(void)
+{
+ mips_machine_setup();
+ return 0;
+}
+
+arch_initcall(ifxmips_machine_setup);
+
+static void __init
+ifxmips_generic_init(void)
+{
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_GENERIC, "Generic", "Generic Infineon board",
+ ifxmips_generic_init);
+
+__setup("board=", mips_machtype_setup);
+
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/compat/Makefile b/target/linux/ifxmips/files/arch/mips/ifxmips/compat/Makefile
new file mode 100644
index 000000000..b87e0cee8
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/compat/Makefile
@@ -0,0 +1 @@
+obj-y := timer.o cgu.o
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/compat/cgu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/compat/cgu.c
new file mode 100644
index 000000000..2d161fdec
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/compat/cgu.c
@@ -0,0 +1,173 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 Xu Liang, infineon
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
+#include <linux/errno.h>
+
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+static unsigned int cgu_get_pll0_fdiv(void);
+unsigned int ifxmips_clocks[] = {CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M };
+
+#define DDR_HZ ifxmips_clocks[ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3]
+
+static inline unsigned int get_input_clock(int pll)
+{
+ switch (pll) {
+ case 0:
+ if (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & CGU_PLL0_SRC)
+ return BASIS_INPUT_CRYSTAL_USB;
+ else if (CGU_PLL0_PHASE_DIVIDER_ENABLE)
+ return BASIC_INPUT_CLOCK_FREQUENCY_1;
+ else
+ return BASIC_INPUT_CLOCK_FREQUENCY_2;
+ case 1:
+ if (CGU_PLL1_SRC)
+ return BASIS_INPUT_CRYSTAL_USB;
+ else if (CGU_PLL0_PHASE_DIVIDER_ENABLE)
+ return BASIC_INPUT_CLOCK_FREQUENCY_1;
+ else
+ return BASIC_INPUT_CLOCK_FREQUENCY_2;
+ case 2:
+ switch (CGU_PLL2_SRC) {
+ case 0:
+ return cgu_get_pll0_fdiv();
+ case 1:
+ return CGU_PLL2_PHASE_DIVIDER_ENABLE ?
+ BASIC_INPUT_CLOCK_FREQUENCY_1 :
+ BASIC_INPUT_CLOCK_FREQUENCY_2;
+ case 2:
+ return BASIS_INPUT_CRYSTAL_USB;
+ }
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned int cal_dsm(int pll, unsigned int num, unsigned int den)
+{
+ u64 res, clock = get_input_clock(pll);
+
+ res = num * clock;
+ do_div(res, den);
+ return res;
+}
+
+static inline unsigned int mash_dsm(int pll, unsigned int M, unsigned int N,
+ unsigned int K)
+{
+ unsigned int num = ((N + 1) << 10) + K;
+ unsigned int den = (M + 1) << 10;
+
+ return cal_dsm(pll, num, den);
+}
+
+static inline unsigned int ssff_dsm_1(int pll, unsigned int M, unsigned int N,
+ unsigned int K)
+{
+ unsigned int num = ((N + 1) << 11) + K + 512;
+ unsigned int den = (M + 1) << 11;
+
+ return cal_dsm(pll, num, den);
+}
+
+static inline unsigned int ssff_dsm_2(int pll, unsigned int M, unsigned int N,
+ unsigned int K)
+{
+ unsigned int num = K >= 512 ?
+ ((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584;
+ unsigned int den = (M + 1) << 12;
+
+ return cal_dsm(pll, num, den);
+}
+
+static inline unsigned int dsm(int pll, unsigned int M, unsigned int N,
+ unsigned int K, unsigned int dsmsel, unsigned int phase_div_en)
+{
+ if (!dsmsel)
+ return mash_dsm(pll, M, N, K);
+ else if (!phase_div_en)
+ return mash_dsm(pll, M, N, K);
+ else
+ return ssff_dsm_2(pll, M, N, K);
+}
+
+static inline unsigned int cgu_get_pll0_fosc(void)
+{
+ if (CGU_PLL0_BYPASS)
+ return get_input_clock(0);
+ else
+ return !CGU_PLL0_CFG_FRAC_EN
+ ? dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, 0, CGU_PLL0_CFG_DSMSEL,
+ CGU_PLL0_PHASE_DIVIDER_ENABLE)
+ : dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, CGU_PLL0_CFG_PLLK,
+ CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE);
+}
+
+static unsigned int cgu_get_pll0_fdiv(void)
+{
+ unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1;
+ return (cgu_get_pll0_fosc() + (div >> 1)) / div;
+}
+
+unsigned int cgu_get_io_region_clock(void)
+{
+ unsigned int ret = cgu_get_pll0_fosc();
+ switch (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & CGU_SYS_DDR_SEL) {
+ default:
+ case 0:
+ return (ret + 1) / 2;
+ case 1:
+ return (ret * 2 + 2) / 5;
+ case 2:
+ return (ret + 1) / 3;
+ case 3:
+ return (ret + 2) / 4;
+ }
+}
+
+unsigned int cgu_get_fpi_bus_clock(int fpi)
+{
+ unsigned int ret = cgu_get_io_region_clock();
+ if ((fpi == 2) && (ifxmips_r32(IFXMIPS_CGU_SYS) & CGU_SYS_FPI_SEL))
+ ret >>= 1;
+ return ret;
+}
+EXPORT_SYMBOL(cgu_get_fpi_bus_clock);
+
+unsigned int ifxmips_get_fpi_hz(void)
+{
+ unsigned int ddr_clock = DDR_HZ;
+ if (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40)
+ return ddr_clock >> 1;
+ return ddr_clock;
+}
+EXPORT_SYMBOL(ifxmips_get_fpi_hz);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/compat/timer.c b/target/linux/ifxmips/files/arch/mips/ifxmips/compat/timer.c
new file mode 100644
index 000000000..7961ee46a
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/compat/timer.c
@@ -0,0 +1,830 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_cgu.h>
+#include <ifxmips_gptu.h>
+#include <ifxmips_pmu.h>
+
+#define MAX_NUM_OF_32BIT_TIMER_BLOCKS 6
+
+#ifdef TIMER1A
+#define FIRST_TIMER TIMER1A
+#else
+#define FIRST_TIMER 2
+#endif
+
+/*
+ * GPTC divider is set or not.
+ */
+#define GPTU_CLC_RMC_IS_SET 0
+
+/*
+ * Timer Interrupt (IRQ)
+ */
+/* Must be adjusted when ICU driver is available */
+#define TIMER_INTERRUPT (INT_NUM_IM3_IRL0 + 22)
+
+/*
+ * Bits Operation
+ */
+#define GET_BITS(x, msb, lsb) \
+ (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb))
+#define SET_BITS(x, msb, lsb, value) \
+ (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | \
+ (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
+
+/*
+ * GPTU Register Mapping
+ */
+#define IFXMIPS_GPTU (KSEG1 + 0x1E100A00)
+#define IFXMIPS_GPTU_CLC ((volatile u32 *)(IFXMIPS_GPTU + 0x0000))
+#define IFXMIPS_GPTU_ID ((volatile u32 *)(IFXMIPS_GPTU + 0x0008))
+#define IFXMIPS_GPTU_CON(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0010 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */
+#define IFXMIPS_GPTU_RUN(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0018 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */
+#define IFXMIPS_GPTU_RELOAD(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0020 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */
+#define IFXMIPS_GPTU_COUNT(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0028 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */
+#define IFXMIPS_GPTU_IRNEN ((volatile u32 *)(IFXMIPS_GPTU + 0x00F4))
+#define IFXMIPS_GPTU_IRNICR ((volatile u32 *)(IFXMIPS_GPTU + 0x00F8))
+#define IFXMIPS_GPTU_IRNCR ((volatile u32 *)(IFXMIPS_GPTU + 0x00FC))
+
+/*
+ * Clock Control Register
+ */
+#define GPTU_CLC_SMC GET_BITS(*IFXMIPS_GPTU_CLC, 23, 16)
+#define GPTU_CLC_RMC GET_BITS(*IFXMIPS_GPTU_CLC, 15, 8)
+#define GPTU_CLC_FSOE (*IFXMIPS_GPTU_CLC & (1 << 5))
+#define GPTU_CLC_EDIS (*IFXMIPS_GPTU_CLC & (1 << 3))
+#define GPTU_CLC_SPEN (*IFXMIPS_GPTU_CLC & (1 << 2))
+#define GPTU_CLC_DISS (*IFXMIPS_GPTU_CLC & (1 << 1))
+#define GPTU_CLC_DISR (*IFXMIPS_GPTU_CLC & (1 << 0))
+
+#define GPTU_CLC_SMC_SET(value) SET_BITS(0, 23, 16, (value))
+#define GPTU_CLC_RMC_SET(value) SET_BITS(0, 15, 8, (value))
+#define GPTU_CLC_FSOE_SET(value) ((value) ? (1 << 5) : 0)
+#define GPTU_CLC_SBWE_SET(value) ((value) ? (1 << 4) : 0)
+#define GPTU_CLC_EDIS_SET(value) ((value) ? (1 << 3) : 0)
+#define GPTU_CLC_SPEN_SET(value) ((value) ? (1 << 2) : 0)
+#define GPTU_CLC_DISR_SET(value) ((value) ? (1 << 0) : 0)
+
+/*
+ * ID Register
+ */
+#define GPTU_ID_ID GET_BITS(*IFXMIPS_GPTU_ID, 15, 8)
+#define GPTU_ID_CFG GET_BITS(*IFXMIPS_GPTU_ID, 7, 5)
+#define GPTU_ID_REV GET_BITS(*IFXMIPS_GPTU_ID, 4, 0)
+
+/*
+ * Control Register of Timer/Counter nX
+ * n is the index of block (1 based index)
+ * X is either A or B
+ */
+#define GPTU_CON_SRC_EG(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 10))
+#define GPTU_CON_SRC_EXT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 9))
+#define GPTU_CON_SYNC(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 8))
+#define GPTU_CON_EDGE(n, X) GET_BITS(*IFXMIPS_GPTU_CON(n, X), 7, 6)
+#define GPTU_CON_INV(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 5))
+#define GPTU_CON_EXT(n, X) (*IFXMIPS_GPTU_CON(n, A) & (1 << 4)) /* Timer/Counter B does not have this bit */
+#define GPTU_CON_STP(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 3))
+#define GPTU_CON_CNT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 2))
+#define GPTU_CON_DIR(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 1))
+#define GPTU_CON_EN(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 0))
+
+#define GPTU_CON_SRC_EG_SET(value) ((value) ? 0 : (1 << 10))
+#define GPTU_CON_SRC_EXT_SET(value) ((value) ? (1 << 9) : 0)
+#define GPTU_CON_SYNC_SET(value) ((value) ? (1 << 8) : 0)
+#define GPTU_CON_EDGE_SET(value) SET_BITS(0, 7, 6, (value))
+#define GPTU_CON_INV_SET(value) ((value) ? (1 << 5) : 0)
+#define GPTU_CON_EXT_SET(value) ((value) ? (1 << 4) : 0)
+#define GPTU_CON_STP_SET(value) ((value) ? (1 << 3) : 0)
+#define GPTU_CON_CNT_SET(value) ((value) ? (1 << 2) : 0)
+#define GPTU_CON_DIR_SET(value) ((value) ? (1 << 1) : 0)
+
+#define GPTU_RUN_RL_SET(value) ((value) ? (1 << 2) : 0)
+#define GPTU_RUN_CEN_SET(value) ((value) ? (1 << 1) : 0)
+#define GPTU_RUN_SEN_SET(value) ((value) ? (1 << 0) : 0)
+
+#define GPTU_IRNEN_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0)
+#define GPTU_IRNCR_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0)
+
+#define TIMER_FLAG_MASK_SIZE(x) (x & 0x0001)
+#define TIMER_FLAG_MASK_TYPE(x) (x & 0x0002)
+#define TIMER_FLAG_MASK_STOP(x) (x & 0x0004)
+#define TIMER_FLAG_MASK_DIR(x) (x & 0x0008)
+#define TIMER_FLAG_NONE_EDGE 0x0000
+#define TIMER_FLAG_MASK_EDGE(x) (x & 0x0030)
+#define TIMER_FLAG_REAL 0x0000
+#define TIMER_FLAG_INVERT 0x0040
+#define TIMER_FLAG_MASK_INVERT(x) (x & 0x0040)
+#define TIMER_FLAG_MASK_TRIGGER(x) (x & 0x0070)
+#define TIMER_FLAG_MASK_SYNC(x) (x & 0x0080)
+#define TIMER_FLAG_CALLBACK_IN_HB 0x0200
+#define TIMER_FLAG_MASK_HANDLE(x) (x & 0x0300)
+#define TIMER_FLAG_MASK_SRC(x) (x & 0x1000)
+
+struct timer_dev_timer {
+ unsigned int f_irq_on;
+ unsigned int irq;
+ unsigned int flag;
+ unsigned long arg1;
+ unsigned long arg2;
+};
+
+struct timer_dev {
+ struct mutex gptu_mutex;
+ unsigned int number_of_timers;
+ unsigned int occupation;
+ unsigned int f_gptu_on;
+ struct timer_dev_timer timer[MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2];
+};
+
+static int gptu_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+static int gptu_open(struct inode *, struct file *);
+static int gptu_release(struct inode *, struct file *);
+
+static struct file_operations gptu_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = gptu_ioctl,
+ .open = gptu_open,
+ .release = gptu_release
+};
+
+static struct miscdevice gptu_miscdev = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "gptu",
+ .fops = &gptu_fops,
+};
+
+static struct timer_dev timer_dev;
+
+static irqreturn_t timer_irq_handler(int irq, void *p)
+{
+ unsigned int timer;
+ unsigned int flag;
+ struct timer_dev_timer *dev_timer = (struct timer_dev_timer *)p;
+
+ timer = irq - TIMER_INTERRUPT;
+ if (timer < timer_dev.number_of_timers
+ && dev_timer == &timer_dev.timer[timer]) {
+ /* Clear interrupt. */
+ ifxmips_w32(1 << timer, IFXMIPS_GPTU_IRNCR);
+
+ /* Call user hanler or signal. */
+ flag = dev_timer->flag;
+ if (!(timer & 0x01)
+ || TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) {
+ /* 16-bit timer or timer A of 32-bit timer */
+ switch (TIMER_FLAG_MASK_HANDLE(flag)) {
+ case TIMER_FLAG_CALLBACK_IN_IRQ:
+ case TIMER_FLAG_CALLBACK_IN_HB:
+ if (dev_timer->arg1)
+ (*(timer_callback)dev_timer->arg1)(dev_timer->arg2);
+ break;
+ case TIMER_FLAG_SIGNAL:
+ send_sig((int)dev_timer->arg2, (struct task_struct *)dev_timer->arg1, 0);
+ break;
+ }
+ }
+ }
+ return IRQ_HANDLED;
+}
+
+static inline void ifxmips_enable_gptu(void)
+{
+ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT);
+
+ /* Set divider as 1, disable write protection for SPEN, enable module. */
+ *IFXMIPS_GPTU_CLC =
+ GPTU_CLC_SMC_SET(0x00) |
+ GPTU_CLC_RMC_SET(0x01) |
+ GPTU_CLC_FSOE_SET(0) |
+ GPTU_CLC_SBWE_SET(1) |
+ GPTU_CLC_EDIS_SET(0) |
+ GPTU_CLC_SPEN_SET(0) |
+ GPTU_CLC_DISR_SET(0);
+}
+
+static inline void ifxmips_disable_gptu(void)
+{
+ ifxmips_w32(0x00, IFXMIPS_GPTU_IRNEN);
+ ifxmips_w32(0xfff, IFXMIPS_GPTU_IRNCR);
+
+ /* Set divider as 0, enable write protection for SPEN, disable module. */
+ *IFXMIPS_GPTU_CLC =
+ GPTU_CLC_SMC_SET(0x00) |
+ GPTU_CLC_RMC_SET(0x00) |
+ GPTU_CLC_FSOE_SET(0) |
+ GPTU_CLC_SBWE_SET(0) |
+ GPTU_CLC_EDIS_SET(0) |
+ GPTU_CLC_SPEN_SET(0) |
+ GPTU_CLC_DISR_SET(1);
+
+ ifxmips_pmu_disable(IFXMIPS_PMU_PWDCR_GPT);
+}
+
+int ifxmips_request_timer(unsigned int timer, unsigned int flag,
+ unsigned long value, unsigned long arg1, unsigned long arg2)
+{
+ int ret = 0;
+ unsigned int con_reg, irnen_reg;
+ int n, X;
+
+ if (timer >= FIRST_TIMER + timer_dev.number_of_timers)
+ return -EINVAL;
+
+ printk(KERN_INFO "request_timer(%d, 0x%08X, %lu)...",
+ timer, flag, value);
+
+ if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT)
+ value &= 0xFFFF;
+ else
+ timer &= ~0x01;
+
+ mutex_lock(&timer_dev.gptu_mutex);
+
+ /*
+ * Allocate timer.
+ */
+ if (timer < FIRST_TIMER) {
+ unsigned int mask;
+ unsigned int shift;
+ /* This takes care of TIMER1B which is the only choice for Voice TAPI system */
+ unsigned int offset = TIMER2A;
+
+ /*
+ * Pick up a free timer.
+ */
+ if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) {
+ mask = 1 << offset;
+ shift = 1;
+ } else {
+ mask = 3 << offset;
+ shift = 2;
+ }
+ for (timer = offset;
+ timer < offset + timer_dev.number_of_timers;
+ timer += shift, mask <<= shift)
+ if (!(timer_dev.occupation & mask)) {
+ timer_dev.occupation |= mask;
+ break;
+ }
+ if (timer >= offset + timer_dev.number_of_timers) {
+ printk("failed![%d]\n", __LINE__);
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EINVAL;
+ } else
+ ret = timer;
+ } else {
+ register unsigned int mask;
+
+ /*
+ * Check if the requested timer is free.
+ */
+ mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
+ if ((timer_dev.occupation & mask)) {
+ printk("failed![%d] mask %#x, timer_dev.occupation %#x\n",
+ __LINE__, mask, timer_dev.occupation);
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EBUSY;
+ } else {
+ timer_dev.occupation |= mask;
+ ret = 0;
+ }
+ }
+
+ /*
+ * Prepare control register value.
+ */
+ switch (TIMER_FLAG_MASK_EDGE(flag)) {
+ default:
+ case TIMER_FLAG_NONE_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x00);
+ break;
+ case TIMER_FLAG_RISE_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x01);
+ break;
+ case TIMER_FLAG_FALL_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x02);
+ break;
+ case TIMER_FLAG_ANY_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x03);
+ break;
+ }
+ if (TIMER_FLAG_MASK_TYPE(flag) == TIMER_FLAG_TIMER)
+ con_reg |=
+ TIMER_FLAG_MASK_SRC(flag) ==
+ TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) :
+ GPTU_CON_SRC_EXT_SET(0);
+ else
+ con_reg |=
+ TIMER_FLAG_MASK_SRC(flag) ==
+ TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) :
+ GPTU_CON_SRC_EG_SET(0);
+ con_reg |=
+ TIMER_FLAG_MASK_SYNC(flag) ==
+ TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) :
+ GPTU_CON_SYNC_SET(1);
+ con_reg |=
+ TIMER_FLAG_MASK_INVERT(flag) ==
+ TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1);
+ con_reg |=
+ TIMER_FLAG_MASK_SIZE(flag) ==
+ TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) :
+ GPTU_CON_EXT_SET(1);
+ con_reg |=
+ TIMER_FLAG_MASK_STOP(flag) ==
+ TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0);
+ con_reg |=
+ TIMER_FLAG_MASK_TYPE(flag) ==
+ TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) :
+ GPTU_CON_CNT_SET(1);
+ con_reg |=
+ TIMER_FLAG_MASK_DIR(flag) ==
+ TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0);
+
+ /*
+ * Fill up running data.
+ */
+ timer_dev.timer[timer - FIRST_TIMER].flag = flag;
+ timer_dev.timer[timer - FIRST_TIMER].arg1 = arg1;
+ timer_dev.timer[timer - FIRST_TIMER].arg2 = arg2;
+ if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
+ timer_dev.timer[timer - FIRST_TIMER + 1].flag = flag;
+
+ /*
+ * Enable GPTU module.
+ */
+ if (!timer_dev.f_gptu_on) {
+ ifxmips_enable_gptu();
+ timer_dev.f_gptu_on = 1;
+ }
+
+ /*
+ * Enable IRQ.
+ */
+ if (TIMER_FLAG_MASK_HANDLE(flag) != TIMER_FLAG_NO_HANDLE) {
+ if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL)
+ timer_dev.timer[timer - FIRST_TIMER].arg1 =
+ (unsigned long) find_task_by_vpid((int) arg1);
+
+ irnen_reg = 1 << (timer - FIRST_TIMER);
+
+ if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL
+ || (TIMER_FLAG_MASK_HANDLE(flag) ==
+ TIMER_FLAG_CALLBACK_IN_IRQ
+ && timer_dev.timer[timer - FIRST_TIMER].arg1)) {
+ enable_irq(timer_dev.timer[timer - FIRST_TIMER].irq);
+ timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 1;
+ }
+ } else
+ irnen_reg = 0;
+
+ /*
+ * Write config register, reload value and enable interrupt.
+ */
+ n = timer >> 1;
+ X = timer & 0x01;
+ *IFXMIPS_GPTU_CON(n, X) = con_reg;
+ *IFXMIPS_GPTU_RELOAD(n, X) = value;
+ /* printk("reload value = %d\n", (u32)value); */
+ *IFXMIPS_GPTU_IRNEN |= irnen_reg;
+
+ mutex_unlock(&timer_dev.gptu_mutex);
+ printk("successful!\n");
+ return ret;
+}
+EXPORT_SYMBOL(ifxmips_request_timer);
+
+int ifxmips_free_timer(unsigned int timer)
+{
+ unsigned int flag;
+ unsigned int mask;
+ int n, X;
+
+ if (!timer_dev.f_gptu_on)
+ return -EINVAL;
+
+ if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers)
+ return -EINVAL;
+
+ mutex_lock(&timer_dev.gptu_mutex);
+
+ flag = timer_dev.timer[timer - FIRST_TIMER].flag;
+ if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
+ timer &= ~0x01;
+
+ mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
+ if (((timer_dev.occupation & mask) ^ mask)) {
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EINVAL;
+ }
+
+ n = timer >> 1;
+ X = timer & 0x01;
+
+ if (GPTU_CON_EN(n, X))
+ *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1);
+
+ *IFXMIPS_GPTU_IRNEN &= ~GPTU_IRNEN_TC_SET(n, X, 1);
+ *IFXMIPS_GPTU_IRNCR |= GPTU_IRNCR_TC_SET(n, X, 1);
+
+ if (timer_dev.timer[timer - FIRST_TIMER].f_irq_on) {
+ disable_irq(timer_dev.timer[timer - FIRST_TIMER].irq);
+ timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 0;
+ }
+
+ timer_dev.occupation &= ~mask;
+ if (!timer_dev.occupation && timer_dev.f_gptu_on) {
+ ifxmips_disable_gptu();
+ timer_dev.f_gptu_on = 0;
+ }
+
+ mutex_unlock(&timer_dev.gptu_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_free_timer);
+
+int ifxmips_start_timer(unsigned int timer, int is_resume)
+{
+ unsigned int flag;
+ unsigned int mask;
+ int n, X;
+
+ if (!timer_dev.f_gptu_on)
+ return -EINVAL;
+
+ if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers)
+ return -EINVAL;
+
+ mutex_lock(&timer_dev.gptu_mutex);
+
+ flag = timer_dev.timer[timer - FIRST_TIMER].flag;
+ if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
+ timer &= ~0x01;
+
+ mask = (TIMER_FLAG_MASK_SIZE(flag) ==
+ TIMER_FLAG_16BIT ? 1 : 3) << timer;
+ if (((timer_dev.occupation & mask) ^ mask)) {
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EINVAL;
+ }
+
+ n = timer >> 1;
+ X = timer & 0x01;
+
+ *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_RL_SET(!is_resume) | GPTU_RUN_SEN_SET(1);
+
+ mutex_unlock(&timer_dev.gptu_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_start_timer);
+
+int ifxmips_stop_timer(unsigned int timer)
+{
+ unsigned int flag;
+ unsigned int mask;
+ int n, X;
+
+ if (!timer_dev.f_gptu_on)
+ return -EINVAL;
+
+ if (timer < FIRST_TIMER
+ || timer >= FIRST_TIMER + timer_dev.number_of_timers)
+ return -EINVAL;
+
+ mutex_lock(&timer_dev.gptu_mutex);
+
+ flag = timer_dev.timer[timer - FIRST_TIMER].flag;
+ if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
+ timer &= ~0x01;
+
+ mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
+ if (((timer_dev.occupation & mask) ^ mask)) {
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EINVAL;
+ }
+
+ n = timer >> 1;
+ X = timer & 0x01;
+
+ *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1);
+
+ mutex_unlock(&timer_dev.gptu_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_stop_timer);
+
+int ifxmips_reset_counter_flags(u32 timer, u32 flags)
+{
+ unsigned int oflag;
+ unsigned int mask, con_reg;
+ int n, X;
+
+ if (!timer_dev.f_gptu_on)
+ return -EINVAL;
+
+ if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers)
+ return -EINVAL;
+
+ mutex_lock(&timer_dev.gptu_mutex);
+
+ oflag = timer_dev.timer[timer - FIRST_TIMER].flag;
+ if (TIMER_FLAG_MASK_SIZE(oflag) != TIMER_FLAG_16BIT)
+ timer &= ~0x01;
+
+ mask = (TIMER_FLAG_MASK_SIZE(oflag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
+ if (((timer_dev.occupation & mask) ^ mask)) {
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EINVAL;
+ }
+
+ switch (TIMER_FLAG_MASK_EDGE(flags)) {
+ default:
+ case TIMER_FLAG_NONE_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x00);
+ break;
+ case TIMER_FLAG_RISE_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x01);
+ break;
+ case TIMER_FLAG_FALL_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x02);
+ break;
+ case TIMER_FLAG_ANY_EDGE:
+ con_reg = GPTU_CON_EDGE_SET(0x03);
+ break;
+ }
+ if (TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER)
+ con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) : GPTU_CON_SRC_EXT_SET(0);
+ else
+ con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) : GPTU_CON_SRC_EG_SET(0);
+ con_reg |= TIMER_FLAG_MASK_SYNC(flags) == TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) : GPTU_CON_SYNC_SET(1);
+ con_reg |= TIMER_FLAG_MASK_INVERT(flags) == TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1);
+ con_reg |= TIMER_FLAG_MASK_SIZE(flags) == TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) : GPTU_CON_EXT_SET(1);
+ con_reg |= TIMER_FLAG_MASK_STOP(flags) == TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0);
+ con_reg |= TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) : GPTU_CON_CNT_SET(1);
+ con_reg |= TIMER_FLAG_MASK_DIR(flags) == TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0);
+
+ timer_dev.timer[timer - FIRST_TIMER].flag = flags;
+ if (TIMER_FLAG_MASK_SIZE(flags) != TIMER_FLAG_16BIT)
+ timer_dev.timer[timer - FIRST_TIMER + 1].flag = flags;
+
+ n = timer >> 1;
+ X = timer & 0x01;
+
+ *IFXMIPS_GPTU_CON(n, X) = con_reg;
+ smp_wmb();
+ printk(KERN_INFO "[%s]: counter%d oflags %#x, nflags %#x, GPTU_CON %#x\n", __func__, timer, oflag, flags, *IFXMIPS_GPTU_CON(n, X));
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_reset_counter_flags);
+
+int ifxmips_get_count_value(unsigned int timer, unsigned long *value)
+{
+ unsigned int flag;
+ unsigned int mask;
+ int n, X;
+
+ if (!timer_dev.f_gptu_on)
+ return -EINVAL;
+
+ if (timer < FIRST_TIMER
+ || timer >= FIRST_TIMER + timer_dev.number_of_timers)
+ return -EINVAL;
+
+ mutex_lock(&timer_dev.gptu_mutex);
+
+ flag = timer_dev.timer[timer - FIRST_TIMER].flag;
+ if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
+ timer &= ~0x01;
+
+ mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
+ if (((timer_dev.occupation & mask) ^ mask)) {
+ mutex_unlock(&timer_dev.gptu_mutex);
+ return -EINVAL;
+ }
+
+ n = timer >> 1;
+ X = timer & 0x01;
+
+ *value = *IFXMIPS_GPTU_COUNT(n, X);
+
+ mutex_unlock(&timer_dev.gptu_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ifxmips_get_count_value);
+
+u32 ifxmips_cal_divider(unsigned long freq)
+{
+ u64 module_freq, fpi = cgu_get_fpi_bus_clock(2);
+ u32 clock_divider = 1;
+ module_freq = fpi * 1000;
+ do_div(module_freq, clock_divider * freq);
+ return module_freq;
+}
+EXPORT_SYMBOL(ifxmips_cal_divider);
+
+int ifxmips_set_timer(unsigned int timer, unsigned int freq, int is_cyclic,
+ int is_ext_src, unsigned int handle_flag, unsigned long arg1,
+ unsigned long arg2)
+{
+ unsigned long divider;
+ unsigned int flag;
+
+ divider = ifxmips_cal_divider(freq);
+ if (divider == 0)
+ return -EINVAL;
+ flag = ((divider & ~0xFFFF) ? TIMER_FLAG_32BIT : TIMER_FLAG_16BIT)
+ | (is_cyclic ? TIMER_FLAG_CYCLIC : TIMER_FLAG_ONCE)
+ | (is_ext_src ? TIMER_FLAG_EXT_SRC : TIMER_FLAG_INT_SRC)
+ | TIMER_FLAG_TIMER | TIMER_FLAG_DOWN
+ | TIMER_FLAG_MASK_HANDLE(handle_flag);
+
+ printk(KERN_INFO "ifxmips_set_timer(%d, %d), divider = %lu\n",
+ timer, freq, divider);
+ return ifxmips_request_timer(timer, flag, divider, arg1, arg2);
+}
+EXPORT_SYMBOL(ifxmips_set_timer);
+
+int ifxmips_set_counter(unsigned int timer, unsigned int flag, u32 reload,
+ unsigned long arg1, unsigned long arg2)
+{
+ printk(KERN_INFO "ifxmips_set_counter(%d, %#x, %d)\n", timer, flag, reload);
+ return ifxmips_request_timer(timer, flag, reload, arg1, arg2);
+}
+EXPORT_SYMBOL(ifxmips_set_counter);
+
+static int gptu_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+ struct gptu_ioctl_param param;
+
+ if (!access_ok(VERIFY_READ, arg, sizeof(struct gptu_ioctl_param)))
+ return -EFAULT;
+ copy_from_user(&param, (void *) arg, sizeof(param));
+
+ if ((((cmd == GPTU_REQUEST_TIMER || cmd == GPTU_SET_TIMER
+ || GPTU_SET_COUNTER) && param.timer < 2)
+ || cmd == GPTU_GET_COUNT_VALUE || cmd == GPTU_CALCULATE_DIVIDER)
+ && !access_ok(VERIFY_WRITE, arg,
+ sizeof(struct gptu_ioctl_param)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case GPTU_REQUEST_TIMER:
+ ret = ifxmips_request_timer(param.timer, param.flag, param.value,
+ (unsigned long) param.pid,
+ (unsigned long) param.sig);
+ if (ret > 0) {
+ copy_to_user(&((struct gptu_ioctl_param *) arg)->
+ timer, &ret, sizeof(&ret));
+ ret = 0;
+ }
+ break;
+ case GPTU_FREE_TIMER:
+ ret = ifxmips_free_timer(param.timer);
+ break;
+ case GPTU_START_TIMER:
+ ret = ifxmips_start_timer(param.timer, param.flag);
+ break;
+ case GPTU_STOP_TIMER:
+ ret = ifxmips_stop_timer(param.timer);
+ break;
+ case GPTU_GET_COUNT_VALUE:
+ ret = ifxmips_get_count_value(param.timer, &param.value);
+ if (!ret)
+ copy_to_user(&((struct gptu_ioctl_param *) arg)->
+ value, &param.value,
+ sizeof(param.value));
+ break;
+ case GPTU_CALCULATE_DIVIDER:
+ param.value = ifxmips_cal_divider(param.value);
+ if (param.value == 0)
+ ret = -EINVAL;
+ else {
+ copy_to_user(&((struct gptu_ioctl_param *) arg)->
+ value, &param.value,
+ sizeof(param.value));
+ ret = 0;
+ }
+ break;
+ case GPTU_SET_TIMER:
+ ret = ifxmips_set_timer(param.timer, param.value,
+ TIMER_FLAG_MASK_STOP(param.flag) !=
+ TIMER_FLAG_ONCE ? 1 : 0,
+ TIMER_FLAG_MASK_SRC(param.flag) ==
+ TIMER_FLAG_EXT_SRC ? 1 : 0,
+ TIMER_FLAG_MASK_HANDLE(param.flag) ==
+ TIMER_FLAG_SIGNAL ? TIMER_FLAG_SIGNAL :
+ TIMER_FLAG_NO_HANDLE,
+ (unsigned long) param.pid,
+ (unsigned long) param.sig);
+ if (ret > 0) {
+ copy_to_user(&((struct gptu_ioctl_param *) arg)->
+ timer, &ret, sizeof(&ret));
+ ret = 0;
+ }
+ break;
+ case GPTU_SET_COUNTER:
+ ifxmips_set_counter(param.timer, param.flag, param.value, 0, 0);
+ if (ret > 0) {
+ copy_to_user(&((struct gptu_ioctl_param *) arg)->
+ timer, &ret, sizeof(&ret));
+ ret = 0;
+ }
+ break;
+ default:
+ ret = -ENOTTY;
+ }
+
+ return ret;
+}
+
+static int gptu_open(struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+static int gptu_release(struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+int __init ifxmips_gptu_init(void)
+{
+ int ret;
+ unsigned int i;
+
+ ifxmips_w32(0, IFXMIPS_GPTU_IRNEN);
+ ifxmips_w32(0xfff, IFXMIPS_GPTU_IRNCR);
+
+ memset(&timer_dev, 0, sizeof(timer_dev));
+ mutex_init(&timer_dev.gptu_mutex);
+
+ ifxmips_enable_gptu();
+ timer_dev.number_of_timers = GPTU_ID_CFG * 2;
+ ifxmips_disable_gptu();
+ if (timer_dev.number_of_timers > MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2)
+ timer_dev.number_of_timers = MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2;
+ printk(KERN_INFO "gptu: totally %d 16-bit timers/counters\n", timer_dev.number_of_timers);
+
+ ret = misc_register(&gptu_miscdev);
+ if (ret) {
+ printk(KERN_ERR "gptu: can't misc_register, get error %d\n", -ret);
+ return ret;
+ } else {
+ printk(KERN_INFO "gptu: misc_register on minor %d\n", gptu_miscdev.minor);
+ }
+
+ for (i = 0; i < timer_dev.number_of_timers; i++) {
+ ret = request_irq(TIMER_INTERRUPT + i, timer_irq_handler, IRQF_TIMER, gptu_miscdev.name, &timer_dev.timer[i]);
+ if (ret) {
+ for (; i >= 0; i--)
+ free_irq(TIMER_INTERRUPT + i, &timer_dev.timer[i]);
+ misc_deregister(&gptu_miscdev);
+ printk(KERN_ERR "gptu: failed in requesting irq (%d), get error %d\n", i, -ret);
+ return ret;
+ } else {
+ timer_dev.timer[i].irq = TIMER_INTERRUPT + i;
+ disable_irq(timer_dev.timer[i].irq);
+ printk(KERN_INFO "gptu: succeeded to request irq %d\n", timer_dev.timer[i].irq);
+ }
+ }
+
+ return 0;
+}
+
+void __exit ifxmips_gptu_exit(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < timer_dev.number_of_timers; i++) {
+ if (timer_dev.timer[i].f_irq_on)
+ disable_irq(timer_dev.timer[i].irq);
+ free_irq(timer_dev.timer[i].irq, &timer_dev.timer[i]);
+ }
+ ifxmips_disable_gptu();
+ misc_deregister(&gptu_miscdev);
+}
+
+module_init(ifxmips_gptu_init);
+module_exit(ifxmips_gptu_exit);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/Kconfig b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/Kconfig
new file mode 100644
index 000000000..13d0bd6b4
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/Kconfig
@@ -0,0 +1,29 @@
+if IFXMIPS_DANUBE
+
+config IFXMIPS_ARCAYDIAN_BRNBOOT
+ bool
+ default n
+
+menu "Infineon SoC machine selection"
+
+config DANUBE_MACH_EASY50712
+ bool "Easy50712"
+ default y
+
+config DANUBE_MACH_EASY4010
+ bool "Easy4010"
+ default y
+
+config DANUBE_MACH_ARV4519
+ bool "ARV4519"
+ default y
+ select DANUBE_ARCAYDIAN_BRNBOOT
+
+config DANUBE_MACH_ARV45XX
+ bool "ARV45XX"
+ default y
+ select IFXMIPS_ARCAYDIAN_BRNBOOT
+
+endmenu
+
+endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/Makefile b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/Makefile
new file mode 100644
index 000000000..b0e2c8c55
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/Makefile
@@ -0,0 +1,5 @@
+obj-y := dma-core.o irq.o ebu.o setup.o devices.o cgu.o
+obj-$(CONFIG_IFXMIPS_ARCAYDIAN_BRNBOOT) += arcaydian.o
+obj-$(CONFIG_DANUBE_MACH_ARV45XX) += mach-arv45xx.o
+obj-$(CONFIG_DANUBE_MACH_EASY50712) += mach-easy50712.o
+obj-$(CONFIG_DANUBE_MACH_EASY4010) += mach-easy4010.o
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.c
new file mode 100644
index 000000000..f2b7ae125
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.c
@@ -0,0 +1,49 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <ifxmips.h>
+#include <ifxmips_prom.h>
+
+#include "arcaydian.h"
+
+static int ifxmips_brn = 0;
+
+int __init
+ifxmix_detect_brn_block(unsigned int offset)
+{
+ unsigned char temp[8];
+ memcpy_fromio(temp, (void *)KSEG1ADDR(IFXMIPS_FLASH_START + offset), 8);
+ if (!memcmp(temp, "BRN-BOOT", 8))
+ ifxmips_brn = 1;
+ return !ifxmips_brn;
+}
+
+int __init
+ifxmips_find_brn_mac(unsigned int offset, unsigned char *ifxmips_ethaddr)
+{
+ if(!ifxmips_brn)
+ return 1;
+ memcpy_fromio(ifxmips_ethaddr,
+ (void *)KSEG1ADDR(IFXMIPS_FLASH_START + offset), 6);
+ return is_valid_ether_addr(ifxmips_ethaddr);
+}
+
+/* used by madwifi to know if eeprom is located in flash */
+int
+ifxmips_has_brn_block(void)
+{
+ return ifxmips_brn;
+}
+EXPORT_SYMBOL(ifxmips_has_brn_block);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.h b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.h
new file mode 100644
index 000000000..1bfde46ba
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/arcaydian.h
@@ -0,0 +1,7 @@
+#ifndef _ARCAYDIAN_H__
+#define _ARCAYDIAN_H__
+
+int __init ifxmix_detect_brn_block(unsigned int offset);
+int __init ifxmips_find_brn_mac(unsigned int offset, unsigned char *ifxmips_ethaddr);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/cgu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/cgu.c
new file mode 100644
index 000000000..d69d2f0bf
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/cgu.c
@@ -0,0 +1,38 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
+#include <linux/errno.h>
+
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+void
+cgu_setup_pci_clk(int external_clock)
+{
+ /* set clock to 33Mhz */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000,
+ IFXMIPS_CGU_IFCCR);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000,
+ IFXMIPS_CGU_IFCCR);
+ if (external_clock)
+ {
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16),
+ IFXMIPS_CGU_IFCCR);
+ ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR);
+ } else {
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16),
+ IFXMIPS_CGU_IFCCR);
+ ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
+ }
+}
+
+
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.c
new file mode 100644
index 000000000..938753cd0
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.c
@@ -0,0 +1,169 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_pmu.h>
+#include <ifxmips_led.h>
+
+#include "devices.h"
+
+/* asc ports */
+static struct resource danube_asc0_resources[] =
+{
+ [0] = {
+ .start = (IFXMIPS_ASC_BASE_ADDR & ~KSEG1),
+ .end = (IFXMIPS_ASC_BASE_ADDR & ~KSEG1) + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IFXMIPSASC_TIR(0),
+ .end = IFXMIPSASC_TIR(0)+3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource danube_asc1_resources[] =
+{
+ [0] = {
+ .start = (IFXMIPS_ASC_BASE_ADDR & ~KSEG1) + IFXMIPS_ASC_BASE_DIFF,
+ .end = (IFXMIPS_ASC_BASE_ADDR & ~KSEG1) + IFXMIPS_ASC_BASE_DIFF + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IFXMIPSASC_TIR(1),
+ .end = IFXMIPSASC_TIR(1)+3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+void __init danube_register_asc(int port)
+{
+ switch (port) {
+ case 0:
+ platform_device_register_simple("ifxmips_asc", 0,
+ danube_asc0_resources, ARRAY_SIZE(danube_asc0_resources));
+ break;
+ case 1:
+ platform_device_register_simple("ifxmips_asc", 1,
+ danube_asc1_resources, ARRAY_SIZE(danube_asc1_resources));
+ break;
+ default:
+ break;
+ }
+}
+
+/* ebu gpio */
+static struct platform_device ifxmips_ebu_gpio =
+{
+ .name = "ifxmips_ebu",
+ .num_resources = 1,
+};
+
+void __init
+danube_register_ebu_gpio(struct resource *resource, u32 value)
+{
+ ifxmips_ebu_gpio.resource = resource;
+ ifxmips_ebu_gpio.dev.platform_data = (void*)value;
+ platform_device_register(&ifxmips_ebu_gpio);
+}
+
+/* ethernet */
+unsigned char ifxmips_ethaddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+static struct resource danube_ethernet_resources =
+{
+ .start = IFXMIPS_PPE32_BASE_ADDR,
+ .end = IFXMIPS_PPE32_BASE_ADDR + IFXMIPS_PPE32_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device danube_ethernet =
+{
+ .name = "ifxmips_mii0",
+ .resource = &danube_ethernet_resources,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = ifxmips_ethaddr,
+ }
+};
+
+void __init
+danube_register_ethernet(unsigned char *mac, int mii_mode)
+{
+ struct ifxmips_eth_data *eth = kmalloc(sizeof(struct ifxmips_eth_data), GFP_KERNEL);
+ memset(eth, 0, sizeof(struct ifxmips_eth_data));
+ if(mac)
+ eth->mac = mac;
+ else
+ eth->mac = ifxmips_ethaddr;
+ eth->mii_mode = mii_mode;
+ danube_ethernet.dev.platform_data = eth;
+ platform_device_register(&danube_ethernet);
+}
+
+/* pci */
+extern int ifxmips_pci_external_clock;
+extern int ifxmips_pci_req_mask;
+
+void __init
+danube_register_pci(int clock, int irq_mask)
+{
+ ifxmips_pci_external_clock = clock;
+ if(irq_mask)
+ ifxmips_pci_req_mask = irq_mask;
+}
+
+/* tapi */
+static struct resource mps_resources[] = {
+ {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x1f107000,
+ .end = 0x1f1073ff,
+ },
+ {
+ .name = "mailbox",
+ .flags = IORESOURCE_MEM,
+ .start = 0x1f200000,
+ .end = 0x1f2007ff,
+ },
+};
+
+static struct platform_device mps_device = {
+ .name = "mps",
+ .resource = mps_resources,
+ .num_resources = ARRAY_SIZE(mps_resources),
+};
+
+static struct platform_device vmmc_device = {
+ .name = "vmmc",
+ .dev = {
+ .parent = &mps_device.dev,
+ },
+};
+
+void __init
+danube_register_tapi(void)
+{
+#define CP1_SIZE (1 << 20)
+ dma_addr_t dma;
+ mps_device.dev.platform_data = CPHYSADDR(dma_alloc_coherent(NULL, CP1_SIZE, &dma, GFP_ATOMIC));
+ platform_device_register(&mps_device);
+ platform_device_register(&vmmc_device);
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.h b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.h
new file mode 100644
index 000000000..c232b5a3f
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/devices.h
@@ -0,0 +1,16 @@
+#ifndef _DANUBE_DEVICES_H__
+#define _DANUBE_DEVICES_H__
+
+#include "../common/devices.h"
+
+enum {
+ PCI_CLOCK_INT = 0,
+ PCI_CLOCK_EXT
+};
+
+void __init danube_register_ebu_gpio(struct resource *resource, u32 value);
+void __init danube_register_ethernet(unsigned char *mac, int mii_mode);
+void __init danube_register_pci(int clock, int irq_mask);
+void __init danube_register_tapi(void);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/dma-core.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/dma-core.c
new file mode 100644
index 000000000..084b2839a
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/dma-core.c
@@ -0,0 +1,690 @@
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/stat.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/selection.h>
+#include <linux/kmod.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/uaccess.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_dma.h>
+#include <ifxmips_pmu.h>
+
+/*25 descriptors for each dma channel,4096/8/20=25.xx*/
+#define IFXMIPS_DMA_DESCRIPTOR_OFFSET 25
+
+#define MAX_DMA_DEVICE_NUM 6 /*max ports connecting to dma */
+#define MAX_DMA_CHANNEL_NUM 20 /*max dma channels */
+#define DMA_INT_BUDGET 100 /*budget for interrupt handling */
+#define DMA_POLL_COUNTER 4 /*fix me, set the correct counter value here! */
+
+extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr);
+extern void ifxmips_enable_irq(unsigned int irq_nr);
+extern void ifxmips_disable_irq(unsigned int irq_nr);
+
+u64 *g_desc_list;
+struct dma_device_info dma_devs[MAX_DMA_DEVICE_NUM];
+struct dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM];
+
+static const char *global_device_name[MAX_DMA_DEVICE_NUM] =
+ { "PPE", "DEU", "SPI", "SDIO", "MCTRL0", "MCTRL1" };
+
+struct dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = {
+ {"PPE", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH0_INT, 0},
+ {"PPE", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH1_INT, 0},
+ {"PPE", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH2_INT, 1},
+ {"PPE", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH3_INT, 1},
+ {"PPE", IFXMIPS_DMA_RX, 2, IFXMIPS_DMA_CH4_INT, 2},
+ {"PPE", IFXMIPS_DMA_TX, 2, IFXMIPS_DMA_CH5_INT, 2},
+ {"PPE", IFXMIPS_DMA_RX, 3, IFXMIPS_DMA_CH6_INT, 3},
+ {"PPE", IFXMIPS_DMA_TX, 3, IFXMIPS_DMA_CH7_INT, 3},
+ {"DEU", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH8_INT, 0},
+ {"DEU", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH9_INT, 0},
+ {"DEU", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH10_INT, 1},
+ {"DEU", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH11_INT, 1},
+ {"SPI", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH12_INT, 0},
+ {"SPI", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH13_INT, 0},
+ {"SDIO", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH14_INT, 0},
+ {"SDIO", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH15_INT, 0},
+ {"MCTRL0", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH16_INT, 0},
+ {"MCTRL0", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH17_INT, 0},
+ {"MCTRL1", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH18_INT, 1},
+ {"MCTRL1", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH19_INT, 1}
+};
+
+struct dma_chan_map *chan_map = default_dma_map;
+volatile u32 g_ifxmips_dma_int_status;
+volatile int g_ifxmips_dma_in_process; /* 0=not in process, 1=in process */
+
+void do_dma_tasklet(unsigned long);
+DECLARE_TASKLET(dma_tasklet, do_dma_tasklet, 0);
+
+u8 *common_buffer_alloc(int len, int *byte_offset, void **opt)
+{
+ u8 *buffer = kmalloc(len * sizeof(u8), GFP_KERNEL);
+
+ *byte_offset = 0;
+
+ return buffer;
+}
+
+void common_buffer_free(u8 *dataptr, void *opt)
+{
+ kfree(dataptr);
+}
+
+void enable_ch_irq(struct dma_channel_info *pCh)
+{
+ int chan_no = (int)(pCh - dma_chan);
+ unsigned long flag;
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(0x4a, IFXMIPS_DMA_CIE);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
+ local_irq_restore(flag);
+ ifxmips_enable_irq(pCh->irq);
+}
+
+void disable_ch_irq(struct dma_channel_info *pCh)
+{
+ unsigned long flag;
+ int chan_no = (int) (pCh - dma_chan);
+
+ local_irq_save(flag);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(0, IFXMIPS_DMA_CIE);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN);
+ local_irq_restore(flag);
+ ifxmips_mask_and_ack_irq(pCh->irq);
+}
+
+void open_chan(struct dma_channel_info *pCh)
+{
+ unsigned long flag;
+ int chan_no = (int)(pCh - dma_chan);
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 1, IFXMIPS_DMA_CCTRL);
+ if (pCh->dir == IFXMIPS_DMA_RX)
+ enable_ch_irq(pCh);
+ local_irq_restore(flag);
+}
+
+void close_chan(struct dma_channel_info *pCh)
+{
+ unsigned long flag;
+ int chan_no = (int) (pCh - dma_chan);
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ disable_ch_irq(pCh);
+ local_irq_restore(flag);
+}
+
+void reset_chan(struct dma_channel_info *pCh)
+{
+ int chan_no = (int) (pCh - dma_chan);
+
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL);
+}
+
+void rx_chan_intr_handler(int chan_no)
+{
+ struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev;
+ struct dma_channel_info *pCh = &dma_chan[chan_no];
+ struct rx_desc *rx_desc_p;
+ int tmp;
+ unsigned long flag;
+
+ /*handle command complete interrupt */
+ rx_desc_p = (struct rx_desc *)pCh->desc_base + pCh->curr_desc;
+ if (rx_desc_p->status.field.OWN == CPU_OWN
+ && rx_desc_p->status.field.C
+ && rx_desc_p->status.field.data_length < 1536){
+ /* Every thing is correct, then we inform the upper layer */
+ pDev->current_rx_chan = pCh->rel_chan_no;
+ if (pDev->intr_handler)
+ pDev->intr_handler(pDev, RCV_INT);
+ pCh->weight--;
+ } else {
+ local_irq_save(flag);
+ tmp = ifxmips_r32(IFXMIPS_DMA_CS);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS);
+ ifxmips_w32(tmp, IFXMIPS_DMA_CS);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ local_irq_restore(flag);
+ ifxmips_enable_irq(dma_chan[chan_no].irq);
+ }
+}
+
+inline void tx_chan_intr_handler(int chan_no)
+{
+ struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev;
+ struct dma_channel_info *pCh = &dma_chan[chan_no];
+ int tmp;
+ unsigned long flag;
+
+ local_irq_save(flag);
+ tmp = ifxmips_r32(IFXMIPS_DMA_CS);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS);
+ ifxmips_w32(tmp, IFXMIPS_DMA_CS);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ local_irq_restore(flag);
+ pDev->current_tx_chan = pCh->rel_chan_no;
+ if (pDev->intr_handler)
+ pDev->intr_handler(pDev, TRANSMIT_CPT_INT);
+}
+
+void do_dma_tasklet(unsigned long unused)
+{
+ int i;
+ int chan_no = 0;
+ int budget = DMA_INT_BUDGET;
+ int weight = 0;
+ unsigned long flag;
+
+ while (g_ifxmips_dma_int_status) {
+ if (budget-- < 0) {
+ tasklet_schedule(&dma_tasklet);
+ return;
+ }
+ chan_no = -1;
+ weight = 0;
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ if ((g_ifxmips_dma_int_status & (1 << i)) && dma_chan[i].weight > 0) {
+ if (dma_chan[i].weight > weight) {
+ chan_no = i;
+ weight = dma_chan[chan_no].weight;
+ }
+ }
+ }
+
+ if (chan_no >= 0) {
+ if (chan_map[chan_no].dir == IFXMIPS_DMA_RX)
+ rx_chan_intr_handler(chan_no);
+ else
+ tx_chan_intr_handler(chan_no);
+ } else {
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+ dma_chan[i].weight = dma_chan[i].default_weight;
+ }
+ }
+
+ local_irq_save(flag);
+ g_ifxmips_dma_in_process = 0;
+ if (g_ifxmips_dma_int_status) {
+ g_ifxmips_dma_in_process = 1;
+ tasklet_schedule(&dma_tasklet);
+ }
+ local_irq_restore(flag);
+}
+
+irqreturn_t dma_interrupt(int irq, void *dev_id)
+{
+ struct dma_channel_info *pCh;
+ int chan_no = 0;
+ int tmp;
+
+ pCh = (struct dma_channel_info *)dev_id;
+ chan_no = (int)(pCh - dma_chan);
+ if (chan_no < 0 || chan_no > 19)
+ BUG();
+
+ tmp = ifxmips_r32(IFXMIPS_DMA_IRNEN);
+ ifxmips_w32(0, IFXMIPS_DMA_IRNEN);
+ g_ifxmips_dma_int_status |= 1 << chan_no;
+ ifxmips_w32(tmp, IFXMIPS_DMA_IRNEN);
+ ifxmips_mask_and_ack_irq(irq);
+
+ if (!g_ifxmips_dma_in_process) {
+ g_ifxmips_dma_in_process = 1;
+ tasklet_schedule(&dma_tasklet);
+ }
+
+ return IRQ_HANDLED;
+}
+
+struct dma_device_info *dma_device_reserve(char *dev_name)
+{
+ int i;
+
+ for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) {
+ if (strcmp(dev_name, dma_devs[i].device_name) == 0) {
+ if (dma_devs[i].reserved)
+ return NULL;
+ dma_devs[i].reserved = 1;
+ break;
+ }
+ }
+
+ return &dma_devs[i];
+}
+EXPORT_SYMBOL(dma_device_reserve);
+
+void dma_device_release(struct dma_device_info *dev)
+{
+ dev->reserved = 0;
+}
+EXPORT_SYMBOL(dma_device_release);
+
+void dma_device_register(struct dma_device_info *dev)
+{
+ int i, j;
+ int chan_no = 0;
+ u8 *buffer;
+ int byte_offset;
+ unsigned long flag;
+ struct dma_device_info *pDev;
+ struct dma_channel_info *pCh;
+ struct rx_desc *rx_desc_p;
+ struct tx_desc *tx_desc_p;
+
+ for (i = 0; i < dev->max_tx_chan_num; i++) {
+ pCh = dev->tx_chan[i];
+ if (pCh->control == IFXMIPS_DMA_CH_ON) {
+ chan_no = (int)(pCh - dma_chan);
+ for (j = 0; j < pCh->desc_len; j++) {
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + j;
+ memset(tx_desc_p, 0, sizeof(struct tx_desc));
+ }
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ /* check if the descriptor length is changed */
+ if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len)
+ ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN);
+
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2)
+ ;
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
+ ifxmips_w32(0x30100, IFXMIPS_DMA_CCTRL); /* reset and enable channel,enable channel later */
+ local_irq_restore(flag);
+ }
+ }
+
+ for (i = 0; i < dev->max_rx_chan_num; i++) {
+ pCh = dev->rx_chan[i];
+ if (pCh->control == IFXMIPS_DMA_CH_ON) {
+ chan_no = (int)(pCh - dma_chan);
+
+ for (j = 0; j < pCh->desc_len; j++) {
+ rx_desc_p = (struct rx_desc *)pCh->desc_base + j;
+ pDev = (struct dma_device_info *)(pCh->dma_dev);
+ buffer = pDev->buffer_alloc(pCh->packet_size, &byte_offset, (void *)&(pCh->opt[j]));
+ if (!buffer)
+ break;
+
+ dma_cache_inv((unsigned long) buffer, pCh->packet_size);
+
+ rx_desc_p->Data_Pointer = (u32)CPHYSADDR((u32)buffer);
+ rx_desc_p->status.word = 0;
+ rx_desc_p->status.field.byte_offset = byte_offset;
+ rx_desc_p->status.field.OWN = DMA_OWN;
+ rx_desc_p->status.field.data_length = pCh->packet_size;
+ }
+
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ /* check if the descriptor length is changed */
+ if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len)
+ ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2)
+ ;
+ ifxmips_w32(0x0a, IFXMIPS_DMA_CIE); /* fix me, should enable all the interrupts here? */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
+ ifxmips_w32(0x30000, IFXMIPS_DMA_CCTRL);
+ local_irq_restore(flag);
+ ifxmips_enable_irq(dma_chan[chan_no].irq);
+ }
+ }
+}
+EXPORT_SYMBOL(dma_device_register);
+
+void dma_device_unregister(struct dma_device_info *dev)
+{
+ int i, j;
+ int chan_no;
+ struct dma_channel_info *pCh;
+ struct rx_desc *rx_desc_p;
+ struct tx_desc *tx_desc_p;
+ unsigned long flag;
+
+ for (i = 0; i < dev->max_tx_chan_num; i++) {
+ pCh = dev->tx_chan[i];
+ if (pCh->control == IFXMIPS_DMA_CH_ON) {
+ chan_no = (int)(dev->tx_chan[i] - dma_chan);
+ local_irq_save(flag);
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ pCh->curr_desc = 0;
+ pCh->prev_desc = 0;
+ pCh->control = IFXMIPS_DMA_CH_OFF;
+ ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1)
+ ;
+ local_irq_restore(flag);
+
+ for (j = 0; j < pCh->desc_len; j++) {
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + j;
+ if ((tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C)
+ || (tx_desc_p->status.field.OWN == DMA_OWN && tx_desc_p->status.field.data_length > 0)) {
+ dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), (void *)pCh->opt[j]);
+ }
+ tx_desc_p->status.field.OWN = CPU_OWN;
+ memset(tx_desc_p, 0, sizeof(struct tx_desc));
+ }
+ /* TODO should free buffer that is not transferred by dma */
+ }
+ }
+
+ for (i = 0; i < dev->max_rx_chan_num; i++) {
+ pCh = dev->rx_chan[i];
+ chan_no = (int)(dev->rx_chan[i] - dma_chan);
+ ifxmips_disable_irq(pCh->irq);
+
+ local_irq_save(flag);
+ g_ifxmips_dma_int_status &= ~(1 << chan_no);
+ pCh->curr_desc = 0;
+ pCh->prev_desc = 0;
+ pCh->control = IFXMIPS_DMA_CH_OFF;
+
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL);
+ while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1)
+ ;
+
+ local_irq_restore(flag);
+ for (j = 0; j < pCh->desc_len; j++) {
+ rx_desc_p = (struct rx_desc *) pCh->desc_base + j;
+ if ((rx_desc_p->status.field.OWN == CPU_OWN
+ && rx_desc_p->status.field.C)
+ || (rx_desc_p->status.field.OWN == DMA_OWN
+ && rx_desc_p->status.field.data_length > 0)) {
+ dev->buffer_free((u8 *)
+ __va(rx_desc_p->Data_Pointer),
+ (void *) pCh->opt[j]);
+ }
+ }
+ }
+}
+EXPORT_SYMBOL(dma_device_unregister);
+
+int dma_device_read(struct dma_device_info *dma_dev, u8 **dataptr, void **opt)
+{
+ u8 *buf;
+ int len;
+ int byte_offset = 0;
+ void *p = NULL;
+ struct dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan];
+ struct rx_desc *rx_desc_p;
+
+ /* get the rx data first */
+ rx_desc_p = (struct rx_desc *) pCh->desc_base + pCh->curr_desc;
+ if (!(rx_desc_p->status.field.OWN == CPU_OWN && rx_desc_p->status.field.C))
+ return 0;
+
+ buf = (u8 *) __va(rx_desc_p->Data_Pointer);
+ *(u32 *)dataptr = (u32)buf;
+ len = rx_desc_p->status.field.data_length;
+
+ if (opt)
+ *(int *)opt = (int)pCh->opt[pCh->curr_desc];
+
+ /* replace with a new allocated buffer */
+ buf = dma_dev->buffer_alloc(pCh->packet_size, &byte_offset, &p);
+
+ if (buf) {
+ dma_cache_inv((unsigned long) buf, pCh->packet_size);
+ pCh->opt[pCh->curr_desc] = p;
+ wmb();
+
+ rx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) buf);
+ rx_desc_p->status.word = (DMA_OWN << 31) | ((byte_offset) << 23) | pCh->packet_size;
+ wmb();
+ } else {
+ *(u32 *) dataptr = 0;
+ if (opt)
+ *(int *) opt = 0;
+ len = 0;
+ }
+
+ /* increase the curr_desc pointer */
+ pCh->curr_desc++;
+ if (pCh->curr_desc == pCh->desc_len)
+ pCh->curr_desc = 0;
+
+ return len;
+}
+EXPORT_SYMBOL(dma_device_read);
+
+int dma_device_write(struct dma_device_info *dma_dev, u8 *dataptr, int len, void *opt)
+{
+ unsigned long flag;
+ u32 tmp, byte_offset;
+ struct dma_channel_info *pCh;
+ int chan_no;
+ struct tx_desc *tx_desc_p;
+ local_irq_save(flag);
+
+ pCh = dma_dev->tx_chan[dma_dev->current_tx_chan];
+ chan_no = (int)(pCh - (struct dma_channel_info *) dma_chan);
+
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc;
+ while (tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) {
+ dma_dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), pCh->opt[pCh->prev_desc]);
+ memset(tx_desc_p, 0, sizeof(struct tx_desc));
+ pCh->prev_desc = (pCh->prev_desc + 1) % (pCh->desc_len);
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc;
+ }
+ tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->curr_desc;
+ /* Check whether this descriptor is available */
+ if (tx_desc_p->status.field.OWN == DMA_OWN || tx_desc_p->status.field.C) {
+ /* if not, the tell the upper layer device */
+ dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT);
+ local_irq_restore(flag);
+ printk(KERN_INFO "%s %d: failed to write!\n", __func__, __LINE__);
+
+ return 0;
+ }
+ pCh->opt[pCh->curr_desc] = opt;
+ /* byte offset----to adjust the starting address of the data buffer, should be multiple of the burst length. */
+ byte_offset = ((u32) CPHYSADDR((u32) dataptr)) % ((dma_dev->tx_burst_len) * 4);
+ dma_cache_wback((unsigned long) dataptr, len);
+ wmb();
+ tx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) dataptr) - byte_offset;
+ wmb();
+ tx_desc_p->status.word = (DMA_OWN << 31) | DMA_DESC_SOP_SET | DMA_DESC_EOP_SET | ((byte_offset) << 23) | len;
+ wmb();
+
+ pCh->curr_desc++;
+ if (pCh->curr_desc == pCh->desc_len)
+ pCh->curr_desc = 0;
+
+ /*Check whether this descriptor is available */
+ tx_desc_p = (struct tx_desc *) pCh->desc_base + pCh->curr_desc;
+ if (tx_desc_p->status.field.OWN == DMA_OWN) {
+ /*if not , the tell the upper layer device */
+ dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT);
+ }
+
+ ifxmips_w32(chan_no, IFXMIPS_DMA_CS);
+ tmp = ifxmips_r32(IFXMIPS_DMA_CCTRL);
+
+ if (!(tmp & 1))
+ pCh->open(pCh);
+
+ local_irq_restore(flag);
+
+ return len;
+}
+EXPORT_SYMBOL(dma_device_write);
+
+int map_dma_chan(struct dma_chan_map *map)
+{
+ int i, j;
+ int result;
+
+ for (i = 0; i < MAX_DMA_DEVICE_NUM; i++)
+ strcpy(dma_devs[i].device_name, global_device_name[i]);
+
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ dma_chan[i].irq = map[i].irq;
+ result = request_irq(dma_chan[i].irq, dma_interrupt, IRQF_DISABLED, map[i].dev_name, (void *)&dma_chan[i]);
+ if (result) {
+ printk(KERN_WARNING "error, cannot get dma_irq!\n");
+ free_irq(dma_chan[i].irq, (void *) &dma_interrupt);
+
+ return -EFAULT;
+ }
+ }
+
+ for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) {
+ dma_devs[i].num_tx_chan = 0; /*set default tx channel number to be one */
+ dma_devs[i].num_rx_chan = 0; /*set default rx channel number to be one */
+ dma_devs[i].max_rx_chan_num = 0;
+ dma_devs[i].max_tx_chan_num = 0;
+ dma_devs[i].buffer_alloc = &common_buffer_alloc;
+ dma_devs[i].buffer_free = &common_buffer_free;
+ dma_devs[i].intr_handler = NULL;
+ dma_devs[i].tx_burst_len = 4;
+ dma_devs[i].rx_burst_len = 4;
+ if (i == 0) {
+ ifxmips_w32(0, IFXMIPS_DMA_PS);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_PCTRL) | ((0xf << 8) | (1 << 6)), IFXMIPS_DMA_PCTRL); /*enable dma drop */
+ }
+
+ if (i == 1) {
+ ifxmips_w32(1, IFXMIPS_DMA_PS);
+ ifxmips_w32(0x14, IFXMIPS_DMA_PCTRL); /*deu port setting */
+ }
+
+ for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) {
+ dma_chan[j].byte_offset = 0;
+ dma_chan[j].open = &open_chan;
+ dma_chan[j].close = &close_chan;
+ dma_chan[j].reset = &reset_chan;
+ dma_chan[j].enable_irq = &enable_ch_irq;
+ dma_chan[j].disable_irq = &disable_ch_irq;
+ dma_chan[j].rel_chan_no = map[j].rel_chan_no;
+ dma_chan[j].control = IFXMIPS_DMA_CH_OFF;
+ dma_chan[j].default_weight = IFXMIPS_DMA_CH_DEFAULT_WEIGHT;
+ dma_chan[j].weight = dma_chan[j].default_weight;
+ dma_chan[j].curr_desc = 0;
+ dma_chan[j].prev_desc = 0;
+ }
+
+ for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) {
+ if (strcmp(dma_devs[i].device_name, map[j].dev_name) == 0) {
+ if (map[j].dir == IFXMIPS_DMA_RX) {
+ dma_chan[j].dir = IFXMIPS_DMA_RX;
+ dma_devs[i].max_rx_chan_num++;
+ dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1] = &dma_chan[j];
+ dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1]->pri = map[j].pri;
+ dma_chan[j].dma_dev = (void *)&dma_devs[i];
+ } else if (map[j].dir == IFXMIPS_DMA_TX) {
+ /*TX direction */
+ dma_chan[j].dir = IFXMIPS_DMA_TX;
+ dma_devs[i].max_tx_chan_num++;
+ dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1] = &dma_chan[j];
+ dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1]->pri = map[j].pri;
+ dma_chan[j].dma_dev = (void *)&dma_devs[i];
+ } else {
+ printk(KERN_WARNING "WRONG DMA MAP!\n");
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+void dma_chip_init(void)
+{
+ int i;
+
+ /* enable DMA from PMU */
+ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
+
+ /* reset DMA */
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CTRL) | 1, IFXMIPS_DMA_CTRL);
+
+ /* disable all interrupts */
+ ifxmips_w32(0, IFXMIPS_DMA_IRNEN);
+
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ ifxmips_w32(i, IFXMIPS_DMA_CS);
+ ifxmips_w32(0x2, IFXMIPS_DMA_CCTRL);
+ ifxmips_w32(0x80000040, IFXMIPS_DMA_CPOLL);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~0x1, IFXMIPS_DMA_CCTRL);
+ }
+}
+
+int ifxmips_dma_init(void)
+{
+ int i;
+
+ dma_chip_init();
+ if (map_dma_chan(default_dma_map))
+ BUG();
+
+ g_desc_list = (u64 *)KSEG1ADDR(__get_free_page(GFP_DMA));
+
+ if (g_desc_list == NULL) {
+ printk(KERN_WARNING "no memory for desriptor\n");
+ return -ENOMEM;
+ }
+
+ memset(g_desc_list, 0, PAGE_SIZE);
+
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) {
+ dma_chan[i].desc_base = (u32)g_desc_list + i * IFXMIPS_DMA_DESCRIPTOR_OFFSET * 8;
+ dma_chan[i].curr_desc = 0;
+ dma_chan[i].desc_len = IFXMIPS_DMA_DESCRIPTOR_OFFSET;
+
+ ifxmips_w32(i, IFXMIPS_DMA_CS);
+ ifxmips_w32((u32)CPHYSADDR(dma_chan[i].desc_base), IFXMIPS_DMA_CDBA);
+ ifxmips_w32(dma_chan[i].desc_len, IFXMIPS_DMA_CDLEN);
+ }
+
+ return 0;
+}
+
+arch_initcall(ifxmips_dma_init);
+
+void dma_cleanup(void)
+{
+ int i;
+
+ free_page(KSEG0ADDR((unsigned long) g_desc_list));
+ for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+ free_irq(dma_chan[i].irq, (void *)&dma_interrupt);
+}
+
+MODULE_LICENSE("GPL");
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/ebu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/ebu.c
new file mode 100644
index 000000000..06c7b3c00
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/ebu.c
@@ -0,0 +1,96 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+
+#include <ifxmips.h>
+#include <ifxmips_ebu.h>
+
+#define IFXMIPS_EBU_BUSCON 0x1e7ff
+#define IFXMIPS_EBU_WP 0x80000000
+
+static int shadow = 0;
+static void __iomem *virt;
+
+static int
+ifxmips_ebu_direction_output(struct gpio_chip *chip, unsigned offset, int value)
+{
+ return 0;
+}
+
+static void
+ifxmips_ebu_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ unsigned long flags;
+ if(value)
+ shadow |= (1 << offset);
+ else
+ shadow &= ~(1 << offset);
+ spin_lock_irqsave(&ebu_lock, flags);
+ ifxmips_w32(IFXMIPS_EBU_BUSCON, IFXMIPS_EBU_BUSCON1);
+ *((__u16*)virt) = shadow;
+ ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1);
+ spin_unlock_irqrestore(&ebu_lock, flags);
+}
+
+static struct gpio_chip
+ifxmips_ebu_chip =
+{
+ .label = "ifxmips_ebu",
+ .direction_output = ifxmips_ebu_direction_output,
+ .set = ifxmips_ebu_set,
+ .base = 32,
+ .ngpio = 16,
+ .can_sleep = 1,
+ .owner = THIS_MODULE,
+};
+
+static int __devinit
+ifxmips_ebu_probe(struct platform_device *pdev)
+{
+ ifxmips_w32(pdev->resource->start | 0x1, IFXMIPS_EBU_ADDRSEL1);
+ ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1);
+ virt = ioremap_nocache(pdev->resource->start, pdev->resource->end);
+ if(gpiochip_add(&ifxmips_ebu_chip))
+ return -EINVAL;
+ shadow = (int) pdev->dev.platform_data;
+ printk("IFXMIPS: ebu-gpio loaded\n");
+ return 0;
+}
+
+static int
+ifxmips_ebu_remove(struct platform_device *dev)
+{
+ return gpiochip_remove(&ifxmips_ebu_chip);
+}
+
+static struct platform_driver
+ifxmips_ebu_driver = {
+ .probe = ifxmips_ebu_probe,
+ .remove = ifxmips_ebu_remove,
+ .driver = {
+ .name = "ifxmips_ebu",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init
+ifxmips_ebu_init(void)
+{
+ return platform_driver_register(&ifxmips_ebu_driver);
+}
+
+static void __exit
+ifxmips_ebu_exit(void)
+{
+ platform_driver_unregister(&ifxmips_ebu_driver);
+}
+
+module_init(ifxmips_ebu_init);
+module_exit(ifxmips_ebu_exit);
+
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("ifxmips - EBU Latch GPIO-Expander");
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/irq.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/irq.c
new file mode 100644
index 000000000..ce198e321
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/irq.c
@@ -0,0 +1,253 @@
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/irq_cpu.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+
+void
+ifxmips_disable_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *ier = IFXMIPS_ICU_IM0_IER;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier);
+ return;
+ }
+ ier += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+EXPORT_SYMBOL(ifxmips_disable_irq);
+
+void
+ifxmips_mask_and_ack_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *ier = IFXMIPS_ICU_IM0_IER;
+ u32 *isr = IFXMIPS_ICU_IM0_ISR;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier);
+ ifxmips_w32((1 << irq_nr), isr);
+ return;
+ }
+ ier += IFXMIPS_ICU_OFFSET;
+ isr += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+EXPORT_SYMBOL(ifxmips_mask_and_ack_irq);
+
+static void
+ifxmips_ack_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *isr = IFXMIPS_ICU_IM0_ISR;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32((1 << irq_nr), isr);
+ return;
+ }
+ isr += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+
+
+void
+ifxmips_enable_irq(unsigned int irq_nr)
+{
+ int i;
+ u32 *ier = IFXMIPS_ICU_IM0_IER;
+
+ irq_nr -= INT_NUM_IRQ0;
+ for (i = 0; i <= 4; i++)
+ {
+ if (irq_nr < INT_NUM_IM_OFFSET)
+ {
+ ifxmips_w32(ifxmips_r32(ier) | (1 << irq_nr), ier);
+ return;
+ }
+ ier += IFXMIPS_ICU_OFFSET;
+ irq_nr -= INT_NUM_IM_OFFSET;
+ }
+}
+EXPORT_SYMBOL(ifxmips_enable_irq);
+
+static unsigned int
+ifxmips_startup_irq(unsigned int irq)
+{
+ ifxmips_enable_irq(irq);
+ return 0;
+}
+
+static void
+ifxmips_end_irq(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ ifxmips_enable_irq(irq);
+}
+
+static struct irq_chip
+ifxmips_irq_type = {
+ "ifxmips",
+ .startup = ifxmips_startup_irq,
+ .enable = ifxmips_enable_irq,
+ .disable = ifxmips_disable_irq,
+ .unmask = ifxmips_enable_irq,
+ .ack = ifxmips_ack_irq,
+ .mask = ifxmips_disable_irq,
+ .mask_ack = ifxmips_mask_and_ack_irq,
+ .end = ifxmips_end_irq,
+};
+
+/* silicon bug causes only the msb set to 1 to be valid. all
+ other bits might be bogus */
+static inline int
+ls1bit32(unsigned long x)
+{
+ __asm__ (
+ ".set push \n"
+ ".set mips32 \n"
+ "clz %0, %1 \n"
+ ".set pop \n"
+ : "=r" (x)
+ : "r" (x));
+ return 31 - x;
+}
+
+static void
+ifxmips_hw_irqdispatch(int module)
+{
+ u32 irq;
+
+ irq = ifxmips_r32(IFXMIPS_ICU_IM0_IOSR + (module * IFXMIPS_ICU_OFFSET));
+ if (irq == 0)
+ return;
+
+ /* we need to do this due to a silicon bug */
+ irq = ls1bit32(irq);
+ do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module));
+
+ if ((irq == 22) && (module == 0))
+ ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_ISTAT) | 0x10,
+ IFXMIPS_EBU_PCC_ISTAT);
+}
+
+#ifdef CONFIG_CPU_MIPSR2_IRQ_VI
+#define DEFINE_HWx_IRQDISPATCH(x) \
+static void ifxmips_hw ## x ## _irqdispatch(void)\
+{\
+ ifxmips_hw_irqdispatch(x); \
+}
+static void ifxmips_hw5_irqdispatch(void)
+{
+ do_IRQ(MIPS_CPU_TIMER_IRQ);
+}
+DEFINE_HWx_IRQDISPATCH(0)
+DEFINE_HWx_IRQDISPATCH(1)
+DEFINE_HWx_IRQDISPATCH(2)
+DEFINE_HWx_IRQDISPATCH(3)
+DEFINE_HWx_IRQDISPATCH(4)
+/*DEFINE_HWx_IRQDISPATCH(5)*/
+#endif /* #ifdef CONFIG_CPU_MIPSR2_IRQ_VI */
+
+asmlinkage void
+plat_irq_dispatch(void)
+{
+ unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
+ unsigned int i;
+
+ if (pending & CAUSEF_IP7)
+ {
+ do_IRQ(MIPS_CPU_TIMER_IRQ);
+ goto out;
+ } else {
+ for (i = 0; i < 5; i++)
+ {
+ if (pending & (CAUSEF_IP2 << i))
+ {
+ ifxmips_hw_irqdispatch(i);
+ goto out;
+ }
+ }
+ }
+ printk(KERN_ALERT "Spurious IRQ: CAUSE=0x%08x\n", read_c0_status());
+
+out:
+ return;
+}
+
+static struct irqaction
+cascade = {
+ .handler = no_action,
+ .flags = IRQF_DISABLED,
+ .name = "cascade",
+};
+
+void __init
+arch_init_irq(void)
+{
+ int i;
+
+ for (i = 0; i < 5; i++)
+ ifxmips_w32(0, IFXMIPS_ICU_IM0_IER + (i * IFXMIPS_ICU_OFFSET));
+
+ mips_cpu_irq_init();
+
+ for (i = 2; i <= 6; i++)
+ setup_irq(i, &cascade);
+
+#ifdef CONFIG_CPU_MIPSR2_IRQ_VI
+ if (cpu_has_vint) {
+ printk(KERN_INFO "Setting up vectored interrupts\n");
+ set_vi_handler(2, ifxmips_hw0_irqdispatch);
+ set_vi_handler(3, ifxmips_hw1_irqdispatch);
+ set_vi_handler(4, ifxmips_hw2_irqdispatch);
+ set_vi_handler(5, ifxmips_hw3_irqdispatch);
+ set_vi_handler(6, ifxmips_hw4_irqdispatch);
+ set_vi_handler(7, ifxmips_hw5_irqdispatch);
+ }
+#endif
+
+ for (i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++)
+ set_irq_chip_and_handler(i, &ifxmips_irq_type,
+ handle_level_irq);
+
+ #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC)
+ set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 |
+ IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+ #else
+ set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 |
+ IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+ #endif
+}
+
+void __cpuinit
+arch_fixup_c0_irqs(void)
+{
+ /* FIXME: check for CPUID and only do fix for specific chips/versions */
+ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
+ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ;
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-arv45xx.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-arv45xx.c
new file mode 100644
index 000000000..d94c95804
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-arv45xx.c
@@ -0,0 +1,186 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_buttons.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+#include <linux/etherdevice.h>
+
+#include <machine.h>
+#include <ifxmips.h>
+#include <ifxmips_prom.h>
+
+#include "arcaydian.h"
+#include "devices.h"
+
+#define ARV45XX_BRN 0x3f0000
+#define ARV45XX_BRN_MAC 0x3f0016
+
+#define ARV45XX_EBU_GPIO_START 0x14000000
+#define ARV45XX_EBU_GPIO_SIZE 0x00001000
+
+#define ARV4520_LATCH_SWITCH (1 << 10)
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition arv45xx_partitions[] =
+{
+ {
+ .name = "uboot",
+ .offset = 0x0,
+ .size = 0x20000,
+ },
+ {
+ .name = "uboot_env",
+ .offset = 0x20000,
+ .size = 0x0,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "board_config",
+ .offset = 0x3f0000,
+ .size = 0x10000,
+ },
+ {
+ .name = "openwrt",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+};
+#endif
+
+static struct physmap_flash_data arv45xx_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+ .nr_parts = ARRAY_SIZE(arv45xx_partitions),
+ .parts = arv45xx_partitions,
+#endif
+};
+
+static struct gpio_led
+arv4518_leds_gpio[] __initdata = {
+ { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, },
+ { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, },
+ { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, },
+ { .name = "ifx:red:power", .gpio = 6, .active_low = 1, },
+ { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, },
+ { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, },
+ { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, },
+ { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, },
+ { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, },
+ { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, },
+ { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, },
+ { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, },
+ { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, },
+};
+
+static struct gpio_led
+arv4520_leds_gpio[] __initdata = {
+ { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, },
+ { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, },
+ { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, },
+ { .name = "ifx:red:power", .gpio = 6, .active_low = 1, },
+ { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, },
+ { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, },
+ { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, },
+ { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, },
+ { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, },
+ { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, },
+ { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, },
+ { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, },
+ { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, },
+};
+
+static struct gpio_led arv4525_leds_gpio[] __initdata = {
+ { .name = "ifx:green:festnetz", .gpio = 4, .active_low = 1, },
+ { .name = "ifx:green:internet", .gpio = 5, .active_low = 1, },
+ { .name = "ifx:green:dsl", .gpio = 6, .active_low = 1, },
+ { .name = "ifx:green:wlan", .gpio = 8, .active_low = 1, },
+ { .name = "ifx:green:online", .gpio = 9, .active_low = 1, },
+};
+
+static struct resource arv45xx_ebu_resource =
+{
+ .name = "ebu-gpio",
+ .start = ARV45XX_EBU_GPIO_START,
+ .end = ARV45XX_EBU_GPIO_START + ARV45XX_EBU_GPIO_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static void __init
+arv4518_init(void)
+{
+ static unsigned char mac[6];
+ if(!ifxmix_detect_brn_block(ARV45XX_BRN))
+ ifxmips_find_brn_mac(ARV45XX_BRN_MAC, mac);
+ else
+ random_ether_addr(mac);
+ ifxmips_register_gpio();
+ danube_register_ebu_gpio(&arv45xx_ebu_resource, ARV4520_LATCH_SWITCH);
+ ifxmips_register_mtd(&arv45xx_flash_data);
+ danube_register_pci(PCI_CLOCK_EXT, 0);
+ ifxmips_register_wdt();
+ ifxmips_register_gpio_leds(arv4518_leds_gpio, ARRAY_SIZE(arv4518_leds_gpio));
+ danube_register_ethernet(mac, REV_MII_MODE);
+ danube_register_tapi();
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_ARV4518,
+ "ARV4518",
+ "ARV4518 - SMC7908A-ISP",
+ arv4518_init);
+
+static void __init
+arv4520_init(void)
+{
+ static unsigned char mac[6];
+ if(!ifxmix_detect_brn_block(ARV45XX_BRN))
+ ifxmips_find_brn_mac(ARV45XX_BRN_MAC, mac);
+ else
+ random_ether_addr(mac);
+ ifxmips_register_gpio();
+ danube_register_ebu_gpio(&arv45xx_ebu_resource, ARV4520_LATCH_SWITCH);
+ ifxmips_register_mtd(&arv45xx_flash_data);
+ danube_register_pci(PCI_CLOCK_EXT, 0);
+ ifxmips_register_wdt();
+ ifxmips_register_gpio_leds(arv4520_leds_gpio, ARRAY_SIZE(arv4520_leds_gpio));
+ danube_register_ethernet(mac, REV_MII_MODE);
+ danube_register_tapi();
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_ARV4520,
+ "ARV452",
+ "ARV4520 - Airties WAV-281, Arcor A800",
+ arv4520_init);
+
+static void __init
+arv4525_init(void)
+{
+ static unsigned char mac[6];
+ if(!ifxmix_detect_brn_block(ARV45XX_BRN))
+ ifxmips_find_brn_mac(ARV45XX_BRN_MAC, mac);
+ else
+ random_ether_addr(mac);
+ ifxmips_register_gpio();
+ ifxmips_register_mtd(&arv45xx_flash_data);
+ danube_register_pci(PCI_CLOCK_INT, 0);
+ ifxmips_register_wdt();
+ ifxmips_register_gpio_leds(arv4525_leds_gpio, ARRAY_SIZE(arv4525_leds_gpio));
+ danube_register_ethernet(mac, MII_MODE);
+ danube_register_tapi();
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_ARV4525,
+ "ARV4525",
+ "ARV4525 - Speedport W502V",
+ arv4525_init);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy4010.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy4010.c
new file mode 100644
index 000000000..ae1084731
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy4010.c
@@ -0,0 +1,72 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_buttons.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <machine.h>
+#include <ifxmips.h>
+#include <ifxmips_prom.h>
+
+#include "devices.h"
+
+extern unsigned char ifxmips_ethaddr[6];
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition easy4010_partitions[] =
+{
+ {
+ .name = "uboot",
+ .offset = 0x0,
+ .size = 0x40000,
+ },
+ {
+ .name = "uboot_env",
+ .offset = 0x40000,
+ .size = 0x10000,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
+ }
+};
+#endif
+
+static struct physmap_flash_data easy4010_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+ .nr_parts = ARRAY_SIZE(easy4010_partitions),
+ .parts = easy4010_partitions,
+#endif
+};
+
+static struct gpio_led easy4010_leds[] = {
+ { .name = "ifx:green:test0", .gpio = 0,},
+ { .name = "ifx:green:test1", .gpio = 1,},
+ { .name = "ifx:green:test2", .gpio = 2,},
+ { .name = "ifx:green:test3", .gpio = 3,},
+};
+
+static void __init
+easy4010_init(void)
+{
+ ifxmips_register_gpio();
+ ifxmips_register_mtd(&easy4010_flash_data);
+ ifxmips_register_leds(easy4010_leds, ARRAY_SIZE(easy4010_leds));
+ ifxmips_register_wdt();
+ danube_register_ethernet(ifxmips_ethaddr, REV_MII_MODE);
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_EASY4010,
+ "EASY4010",
+ "Lantiq Twinpass Eval Board",
+ easy4010_init);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy50712.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy50712.c
new file mode 100644
index 000000000..a54136b7b
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/mach-easy50712.c
@@ -0,0 +1,72 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_buttons.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <machine.h>
+#include <ifxmips.h>
+#include <ifxmips_prom.h>
+
+#include "devices.h"
+
+extern unsigned char ifxmips_ethaddr[6];
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition easy50712_partitions[] =
+{
+ {
+ .name = "uboot",
+ .offset = 0x0,
+ .size = 0x40000,
+ },
+ {
+ .name = "uboot_env",
+ .offset = 0x40000,
+ .size = 0x10000,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
+ }
+};
+#endif
+
+static struct physmap_flash_data easy50712_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+ .nr_parts = ARRAY_SIZE(easy50712_partitions),
+ .parts = easy50712_partitions,
+#endif
+};
+
+static struct gpio_led easy50712_leds[] = {
+ { .name = "ifx:green:test0", .gpio = 0,},
+ { .name = "ifx:green:test1", .gpio = 1,},
+ { .name = "ifx:green:test2", .gpio = 2,},
+ { .name = "ifx:green:test3", .gpio = 3,},
+};
+
+static void __init
+easy50712_init(void)
+{
+ ifxmips_register_gpio();
+ ifxmips_register_mtd(&easy50712_flash_data);
+ ifxmips_register_leds(easy50712_leds, ARRAY_SIZE(easy50712_leds));
+ ifxmips_register_wdt();
+ danube_register_ethernet(ifxmips_ethaddr, REV_MII_MODE);
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_EASY50712,
+ "EASY50712",
+ "Lantiq Eval Board",
+ easy50712_init);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/danube/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/setup.c
new file mode 100644
index 000000000..35e6fd964
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/danube/setup.c
@@ -0,0 +1,96 @@
+#include <linux/cpu.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pm.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+#define SYSTEM_DANUBE "Danube"
+#define SYSTEM_DANUBE_CHIPID1 0x00129083
+#define SYSTEM_DANUBE_CHIPID2 0x0012B083
+
+#define SYSTEM_TWINPASS "Twinpass"
+#define SYSTEM_TWINPASS_CHIPID 0x0012D083
+
+static unsigned int chiprev = 0;
+unsigned char ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN];
+
+unsigned int
+ifxmips_get_cpu_ver(void)
+{
+ return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28;
+}
+EXPORT_SYMBOL(ifxmips_get_cpu_ver);
+
+const char*
+get_system_type(void)
+{
+ return ifxmips_sys_type;
+}
+
+static void
+ifxmips_machine_restart(char *command)
+{
+ printk(KERN_NOTICE "System restart\n");
+ local_irq_disable();
+ ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL,
+ IFXMIPS_RCU_RST);
+ for(;;);
+}
+
+static void
+ifxmips_machine_halt(void)
+{
+ printk(KERN_NOTICE "System halted.\n");
+ local_irq_disable();
+ for(;;);
+}
+
+static void
+ifxmips_machine_power_off(void)
+{
+ printk(KERN_NOTICE "Please turn off the power now.\n");
+ local_irq_disable();
+ for(;;);
+}
+
+void __init
+ifxmips_soc_setup(void)
+{
+ char *name = SYSTEM_DANUBE;
+ ioport_resource.start = IOPORT_RESOURCE_START;
+ ioport_resource.end = IOPORT_RESOURCE_END;
+ iomem_resource.start = IOMEM_RESOURCE_START;
+ iomem_resource.end = IOMEM_RESOURCE_END;
+
+ _machine_restart = ifxmips_machine_restart;
+ _machine_halt = ifxmips_machine_halt;
+ pm_power_off = ifxmips_machine_power_off;
+
+ chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+
+ switch (chiprev)
+ {
+ case SYSTEM_DANUBE_CHIPID1:
+ case SYSTEM_DANUBE_CHIPID2:
+ name = SYSTEM_DANUBE;
+ break;
+
+ case SYSTEM_TWINPASS_CHIPID:
+ name = SYSTEM_TWINPASS;
+ break;
+
+ default:
+ printk(KERN_ERR "This is not a danube chiprev : 0x%08X\n", chiprev);
+ BUG();
+ break;
+ }
+ snprintf(ifxmips_sys_type, IFXMIPS_SYS_TYPE_LEN - 1, "%s rev1.%d %dMhz",
+ name, ifxmips_get_cpu_ver(),
+ ifxmips_get_cpu_hz() / 1000000);
+ ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN - 1] = '\0';
+}
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips.h
new file mode 100644
index 000000000..9532eba39
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips.h
@@ -0,0 +1,520 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2005 infineon
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXMIPS_H__
+#define _IFXMIPS_H__
+
+#define ifxmips_r32(reg) __raw_readl(reg)
+#define ifxmips_w32(val, reg) __raw_writel(val, reg)
+#define ifxmips_w32_mask(clear, set, reg) ifxmips_w32((ifxmips_r32(reg) & ~clear) | set, reg)
+
+/*------------ GENERAL */
+
+#define BOARD_SYSTEM_TYPE "IFXMIPS"
+#define IFXMIPS_SYS_TYPE_LEN 0x100
+
+#define IOPORT_RESOURCE_START 0x10000000
+#define IOPORT_RESOURCE_END 0xffffffff
+#define IOMEM_RESOURCE_START 0x10000000
+#define IOMEM_RESOURCE_END 0xffffffff
+
+#define IFXMIPS_FLASH_START 0x10000000
+#define IFXMIPS_FLASH_MAX 0x02000000
+
+/*------------ ASC0/1 */
+
+#define IFXMIPS_ASC_BASE_ADDR (KSEG1 + 0x1E100400)
+#define IFXMIPS_ASC_BASE_DIFF (0x1E100C00 - 0x1E100400)
+
+#define IFXMIPS_ASC_FSTAT 0x0048
+#define IFXMIPS_ASC_TBUF 0x0020
+#define IFXMIPS_ASC_WHBSTATE 0x0018
+#define IFXMIPS_ASC_RBUF 0x0024
+#define IFXMIPS_ASC_STATE 0x0014
+#define IFXMIPS_ASC_IRNCR 0x00F8
+#define IFXMIPS_ASC_CLC 0x0000
+#define IFXMIPS_ASC_PISEL 0x0004
+#define IFXMIPS_ASC_TXFCON 0x0044
+#define IFXMIPS_ASC_RXFCON 0x0040
+#define IFXMIPS_ASC_CON 0x0010
+#define IFXMIPS_ASC_BG 0x0050
+#define IFXMIPS_ASC_IRNREN 0x00F4
+
+#define IFXMIPS_ASC_CLC_DISS 0x2
+#define ASC_IRNREN_RX_BUF 0x8
+#define ASC_IRNREN_TX_BUF 0x4
+#define ASC_IRNREN_ERR 0x2
+#define ASC_IRNREN_TX 0x1
+#define ASC_IRNCR_TIR 0x4
+#define ASC_IRNCR_RIR 0x2
+#define ASC_IRNCR_EIR 0x4
+#define ASCOPT_CSIZE 0x3
+#define ASCOPT_CS7 0x1
+#define ASCOPT_CS8 0x2
+#define ASCOPT_PARENB 0x4
+#define ASCOPT_STOPB 0x8
+#define ASCOPT_PARODD 0x0
+#define ASCOPT_CREAD 0x20
+#define TXFIFO_FL 1
+#define RXFIFO_FL 1
+#define TXFIFO_FULL 16
+#define ASCCLC_RMCMASK 0x0000FF00
+#define ASCCLC_RMCOFFSET 8
+#define ASCCON_M_8ASYNC 0x0
+#define ASCCON_M_7ASYNC 0x2
+#define ASCCON_ODD 0x00000020
+#define ASCCON_STP 0x00000080
+#define ASCCON_BRS 0x00000100
+#define ASCCON_FDE 0x00000200
+#define ASCCON_R 0x00008000
+#define ASCCON_FEN 0x00020000
+#define ASCCON_ROEN 0x00080000
+#define ASCCON_TOEN 0x00100000
+#define ASCSTATE_PE 0x00010000
+#define ASCSTATE_FE 0x00020000
+#define ASCSTATE_ROE 0x00080000
+#define ASCSTATE_ANY (ASCSTATE_ROE|ASCSTATE_PE|ASCSTATE_FE)
+#define ASCWHBSTATE_CLRREN 0x00000001
+#define ASCWHBSTATE_SETREN 0x00000002
+#define ASCWHBSTATE_CLRPE 0x00000004
+#define ASCWHBSTATE_CLRFE 0x00000008
+#define ASCWHBSTATE_CLRROE 0x00000020
+#define ASCTXFCON_TXFEN 0x0001
+#define ASCTXFCON_TXFFLU 0x0002
+#define ASCTXFCON_TXFITLMASK 0x3F00
+#define ASCTXFCON_TXFITLOFF 8
+#define ASCRXFCON_RXFEN 0x0001
+#define ASCRXFCON_RXFFLU 0x0002
+#define ASCRXFCON_RXFITLMASK 0x3F00
+#define ASCRXFCON_RXFITLOFF 8
+#define ASCFSTAT_RXFFLMASK 0x003F
+#define ASCFSTAT_TXFFLMASK 0x3F00
+#define ASCFSTAT_TXFFLOFF 8
+
+
+
+/*------------ RCU */
+#define IFXMIPS_RCU_BASE_ADDR 0xBF203000
+
+/* reset request */
+#define IFXMIPS_RCU_RST ((u32 *)(IFXMIPS_RCU_BASE_ADDR + 0x0010))
+#define IFXMIPS_RCU_RST_CPU1 (1 << 3)
+#define IFXMIPS_RCU_RST_ALL 0x40000000
+
+#define IFXMIPS_RCU_RST_REQ_DFE (1 << 7)
+#define IFXMIPS_RCU_RST_REQ_AFE (1 << 11)
+#define IFXMIPS_RCU_RST_REQ_ARC_JTAG (1 << 20)
+
+
+/*------------ GPTU */
+
+#define IFXMIPS_GPTU_BASE_ADDR 0xB8000300
+
+/* clock control register */
+#define IFXMIPS_GPTU_GPT_CLC ((u32 *)(IFXMIPS_GPTU_BASE_ADDR + 0x0000))
+
+/* captur reload register */
+#define IFXMIPS_GPTU_GPT_CAPREL ((u32 *)(IFXMIPS_GPTU_BASE_ADDR + 0x0030))
+
+/* timer 6 control register */
+#define IFXMIPS_GPTU_GPT_T6CON ((u32 *)(IFXMIPS_GPTU_BASE_ADDR + 0x0020))
+
+
+/*------------ EBU */
+
+#define IFXMIPS_EBU_BASE_ADDR 0xBE105300
+
+/* bus configuration register */
+#define IFXMIPS_EBU_BUSCON0 ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0060))
+#define IFXMIPS_EBU_PCC_CON ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0090))
+#define IFXMIPS_EBU_PCC_IEN ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x00A4))
+#define IFXMIPS_EBU_PCC_ISTAT ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x00A0))
+#define IFXMIPS_EBU_BUSCON1 ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0064))
+#define IFXMIPS_EBU_ADDRSEL1 ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0024))
+
+/*------------ CGU */
+#define IFXMIPS_CGU_BASE_ADDR (KSEG1 + 0x1F103000)
+#define IFXMIPS_CGU_PLL0_CFG ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0004))
+#define IFXMIPS_CGU_PLL1_CFG ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0008))
+#define IFXMIPS_CGU_PLL2_CFG ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x000C))
+#define IFXMIPS_CGU_SYS ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0010))
+#define IFXMIPS_CGU_UPDATE ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0014))
+#define IFXMIPS_CGU_IF_CLK ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0018))
+#define IFXMIPS_CGU_OSC_CON ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x001C))
+#define IFXMIPS_CGU_SMD ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0020))
+#define IFXMIPS_CGU_CT1SR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0028))
+#define IFXMIPS_CGU_CT2SR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x002C))
+#define IFXMIPS_CGU_PCMCR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0030))
+#define IFXMIPS_CGU_PCI_CR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0034))
+#define IFXMIPS_CGU_PD_PC ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0038))
+#define IFXMIPS_CGU_FMR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x003C))
+
+/* clock mux */
+#define IFXMIPS_CGU_SYS ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0010))
+#define IFXMIPS_CGU_IFCCR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0018))
+#define IFXMIPS_CGU_PCICR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0034))
+
+#define CLOCK_60M 60000000
+#define CLOCK_83M 83333333
+#define CLOCK_111M 111111111
+#define CLOCK_133M 133333333
+#define CLOCK_167M 166666667
+#define CLOCK_333M 333333333
+
+
+/*------------ CGU */
+
+#define IFXMIPS_PMU_BASE_ADDR (KSEG1 + 0x1F102000)
+
+#define IFXMIPS_PMU_PWDCR ((u32 *)(IFXMIPS_PMU_BASE_ADDR + 0x001C))
+#define IFXMIPS_PMU_PWDSR ((u32 *)(IFXMIPS_PMU_BASE_ADDR + 0x0020))
+
+
+/*------------ ICU */
+
+#define IFXMIPS_ICU_BASE_ADDR 0xBF880200
+
+
+#define IFXMIPS_ICU_IM0_ISR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0000))
+#define IFXMIPS_ICU_IM0_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0008))
+#define IFXMIPS_ICU_IM0_IOSR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0010))
+#define IFXMIPS_ICU_IM0_IRSR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0018))
+#define IFXMIPS_ICU_IM0_IMR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0020))
+
+#define IFXMIPS_ICU_IM1_ISR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0028))
+#define IFXMIPS_ICU_IM2_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0058))
+#define IFXMIPS_ICU_IM3_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0080))
+#define IFXMIPS_ICU_IM4_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x00A8))
+#define IFXMIPS_ICU_IM5_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x00D0))
+
+#define IFXMIPS_ICU_OFFSET (IFXMIPS_ICU_IM1_ISR - IFXMIPS_ICU_IM0_ISR)
+
+
+/*------------ ETOP */
+
+#define IFXMIPS_PPE32_BASE_ADDR 0xBE180000
+#define IFXMIPS_PPE32_SIZE 0x40000
+
+#define ETHERNET_PACKET_DMA_BUFFER_SIZE 0x600
+
+#define IFXMIPS_PPE32_MEM_MAP ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x10000))
+#define IFXMIPS_PPE32_SRST ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x10080))
+
+#define MII_MODE 1
+#define REV_MII_MODE 2
+
+/* mdio access */
+#define IFXMIPS_PPE32_MDIO_CFG ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x11800))
+#define IFXMIPS_PPE32_MDIO_ACC ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x11804))
+
+#define MDIO_ACC_REQUEST 0x80000000
+#define MDIO_ACC_READ 0x40000000
+#define MDIO_ACC_ADDR_MASK 0x1f
+#define MDIO_ACC_ADDR_OFFSET 0x15
+#define MDIO_ACC_REG_MASK 0x1f
+#define MDIO_ACC_REG_OFFSET 0x10
+#define MDIO_ACC_VAL_MASK 0xffff
+
+/* configuration */
+#define IFXMIPS_PPE32_CFG ((u32 *)(IFXMIPS_PPE32_MEM_MAP + 0x1808))
+
+#define PPE32_MII_MASK 0xfffffffc
+#define PPE32_MII_NORMAL 0x8
+#define PPE32_MII_REVERSE 0xe
+
+/* packet length */
+#define IFXMIPS_PPE32_IG_PLEN_CTRL ((u32 *)(IFXMIPS_PPE32_MEM_MAP + 0x1820))
+
+#define PPE32_PLEN_OVER 0x5ee
+#define PPE32_PLEN_UNDER 0x400000
+
+/* enet */
+#define IFXMIPS_PPE32_ENET_MAC_CFG ((u32 *)(IFXMIPS_PPE32_MEM_MAP + 0x1840))
+
+#define PPE32_CGEN 0x800
+
+
+/*------------ DMA */
+#define IFXMIPS_DMA_BASE_ADDR 0xBE104100
+
+#define IFXMIPS_DMA_CS ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x18))
+#define IFXMIPS_DMA_CIE ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x2C))
+#define IFXMIPS_DMA_IRNEN ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0xf4))
+#define IFXMIPS_DMA_CCTRL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x1C))
+#define IFXMIPS_DMA_CIS ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x28))
+#define IFXMIPS_DMA_CDLEN ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x24))
+#define IFXMIPS_DMA_PS ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x40))
+#define IFXMIPS_DMA_PCTRL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x44))
+#define IFXMIPS_DMA_CTRL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x10))
+#define IFXMIPS_DMA_CPOLL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x14))
+#define IFXMIPS_DMA_CDBA ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x20))
+
+
+/*------------ PCI */
+#define PCI_CR_PR_BASE_ADDR (KSEG1 + 0x1E105400)
+
+#define PCI_CR_FCI_ADDR_MAP0 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00C0))
+#define PCI_CR_FCI_ADDR_MAP1 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00C4))
+#define PCI_CR_FCI_ADDR_MAP2 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00C8))
+#define PCI_CR_FCI_ADDR_MAP3 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00CC))
+#define PCI_CR_FCI_ADDR_MAP4 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00D0))
+#define PCI_CR_FCI_ADDR_MAP5 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00D4))
+#define PCI_CR_FCI_ADDR_MAP6 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00D8))
+#define PCI_CR_FCI_ADDR_MAP7 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00DC))
+#define PCI_CR_CLK_CTRL ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0000))
+#define PCI_CR_PCI_MOD ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0030))
+#define PCI_CR_PC_ARB ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0080))
+#define PCI_CR_FCI_ADDR_MAP11hg ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00E4))
+#define PCI_CR_BAR11MASK ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0044))
+#define PCI_CR_BAR12MASK ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0048))
+#define PCI_CR_BAR13MASK ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x004C))
+#define PCI_CS_BASE_ADDR1 ((u32 *)(PCI_CS_PR_BASE_ADDR + 0x0010))
+#define PCI_CR_PCI_ADDR_MAP11 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0064))
+#define PCI_CR_FCI_BURST_LENGTH ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00E8))
+#define PCI_CR_PCI_EOI ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x002C))
+
+#define PCI_CS_PR_BASE_ADDR (KSEG1 + 0x17000000)
+
+#define PCI_CS_STS_CMD ((u32 *)(PCI_CS_PR_BASE_ADDR + 0x0004))
+
+#define PCI_MASTER0_REQ_MASK_2BITS 8
+#define PCI_MASTER1_REQ_MASK_2BITS 10
+#define PCI_MASTER2_REQ_MASK_2BITS 12
+#define INTERNAL_ARB_ENABLE_BIT 0
+
+
+/*------------ WDT */
+
+#define IFXMIPS_WDT_BASE_ADDR (KSEG1 + 0x1F880000)
+#define IFXMIPS_WDT_SIZE 0x400
+
+#define IFXMIPS_BIU_WDT_CR ((u32 *)(IFXMIPS_WDT_BASE_ADDR + 0x03F0))
+#define IFXMIPS_BIU_WDT_SR ((u32 *)(IFXMIPS_WDT_BASE_ADDR + 0x03F8))
+
+
+/*------------ LED */
+
+#define IFXMIPS_LED_BASE_ADDR (KSEG1 + 0x1E100BB0)
+#define IFXMIPS_LED_CON0 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0000))
+#define IFXMIPS_LED_CON1 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0004))
+#define IFXMIPS_LED_CPU0 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0008))
+#define IFXMIPS_LED_CPU1 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x000C))
+#define IFXMIPS_LED_AR ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0010))
+
+#define LED_CON0_SWU (1 << 31)
+#define LED_CON0_AD1 (1 << 25)
+#define LED_CON0_AD0 (1 << 24)
+
+#define IFXMIPS_LED_2HZ (0)
+#define IFXMIPS_LED_4HZ (1 << 23)
+#define IFXMIPS_LED_8HZ (2 << 23)
+#define IFXMIPS_LED_10HZ (3 << 23)
+#define IFXMIPS_LED_MASK (0xf << 23)
+
+#define IFXMIPS_LED_UPD_SRC_FPI (1 << 31)
+#define IFXMIPS_LED_UPD_MASK (3 << 30)
+#define IFXMIPS_LED_ADSL_SRC (3 << 24)
+
+#define IFXMIPS_LED_GROUP0 (1 << 0)
+#define IFXMIPS_LED_GROUP1 (1 << 1)
+#define IFXMIPS_LED_GROUP2 (1 << 2)
+
+#define IFXMIPS_LED_RISING 0
+#define IFXMIPS_LED_FALLING (1 << 26)
+#define IFXMIPS_LED_EDGE_MASK (1 << 26)
+
+
+/*------------ GPIO */
+
+#define IFXMIPS_GPIO_BASE_ADDR (0xBE100B00)
+
+#define IFXMIPS_GPIO_P0_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0010))
+#define IFXMIPS_GPIO_P1_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0040))
+#define IFXMIPS_GPIO_P0_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0014))
+#define IFXMIPS_GPIO_P1_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0044))
+#define IFXMIPS_GPIO_P0_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0018))
+#define IFXMIPS_GPIO_P1_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0048))
+#define IFXMIPS_GPIO_P0_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x001C))
+#define IFXMIPS_GPIO_P1_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x004C))
+#define IFXMIPS_GPIO_P0_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0020))
+#define IFXMIPS_GPIO_P1_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0050))
+#define IFXMIPS_GPIO_P0_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0024))
+#define IFXMIPS_GPIO_P1_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0054))
+#define IFXMIPS_GPIO_P0_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0028))
+#define IFXMIPS_GPIO_P1_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0058))
+#define IFXMIPS_GPIO_P0_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x002C))
+#define IFXMIPS_GPIO_P1_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x005C))
+#define IFXMIPS_GPIO_P0_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0030))
+#define IFXMIPS_GPIO_P1_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0060))
+
+
+/*------------ SSC */
+
+#define IFXMIPS_SSC_BASE_ADDR (KSEG1 + 0x1e100800)
+
+
+#define IFXMIPS_SSC_CLC ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0000))
+#define IFXMIPS_SSC_IRN ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x00F4))
+#define IFXMIPS_SSC_SFCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0060))
+#define IFXMIPS_SSC_WHBGPOSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0078))
+#define IFXMIPS_SSC_STATE ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0014))
+#define IFXMIPS_SSC_WHBSTATE ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0018))
+#define IFXMIPS_SSC_FSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0038))
+#define IFXMIPS_SSC_ID ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0008))
+#define IFXMIPS_SSC_TB ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0020))
+#define IFXMIPS_SSC_RXFCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0030))
+#define IFXMIPS_SSC_TXFCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0034))
+#define IFXMIPS_SSC_CON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0010))
+#define IFXMIPS_SSC_GPOSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0074))
+#define IFXMIPS_SSC_RB ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0024))
+#define IFXMIPS_SSC_RXCNT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0084))
+#define IFXMIPS_SSC_GPOCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0070))
+#define IFXMIPS_SSC_BR ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0040))
+#define IFXMIPS_SSC_RXREQ ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0080))
+#define IFXMIPS_SSC_SFSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0064))
+#define IFXMIPS_SSC_RXCNT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0084))
+
+
+/*------------ MEI */
+
+#define IFXMIPS_MEI_BASE_ADDR (KSEG1 + 0x1E116000)
+
+#define MEI_DATA_XFR ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0000))
+#define MEI_VERSION ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0004))
+#define MEI_ARC_GP_STAT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0008))
+#define MEI_DATA_XFR_STAT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x000C))
+#define MEI_XFR_ADDR ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0010))
+#define MEI_MAX_WAIT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0014))
+#define MEI_TO_ARC_INT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0018))
+#define ARC_TO_MEI_INT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x001C))
+#define ARC_TO_MEI_INT_MASK ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0020))
+#define MEI_DEBUG_WAD ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0024))
+#define MEI_DEBUG_RAD ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0028))
+#define MEI_DEBUG_DATA ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x002C))
+#define MEI_DEBUG_DEC ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0030))
+#define MEI_CONFIG ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0034))
+#define MEI_RST_CONTROL ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0038))
+#define MEI_DBG_MASTER ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x003C))
+#define MEI_CLK_CONTROL ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0040))
+#define MEI_BIST_CONTROL ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0044))
+#define MEI_BIST_STAT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0048))
+#define MEI_XDATA_BASE_SH ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x004c))
+#define MEI_XDATA_BASE ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0050))
+#define MEI_XMEM_BAR_BASE ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0054))
+#define MEI_XMEM_BAR0 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0054))
+#define MEI_XMEM_BAR1 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0058))
+#define MEI_XMEM_BAR2 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x005C))
+#define MEI_XMEM_BAR3 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0060))
+#define MEI_XMEM_BAR4 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0064))
+#define MEI_XMEM_BAR5 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0068))
+#define MEI_XMEM_BAR6 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x006C))
+#define MEI_XMEM_BAR7 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0070))
+#define MEI_XMEM_BAR8 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0074))
+#define MEI_XMEM_BAR9 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0078))
+#define MEI_XMEM_BAR10 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x007C))
+#define MEI_XMEM_BAR11 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0080))
+#define MEI_XMEM_BAR12 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0084))
+#define MEI_XMEM_BAR13 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0088))
+#define MEI_XMEM_BAR14 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x008C))
+#define MEI_XMEM_BAR15 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0090))
+#define MEI_XMEM_BAR16 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0094))
+
+
+/*------------ DEU */
+
+#define IFXMIPS_DEU_BASE (KSEG1 + 0x1E103100)
+#define IFXMIPS_DEU_CLK ((u32 *)(IFXMIPS_DEU_BASE + 0x0000))
+#define IFXMIPS_DEU_ID ((u32 *)(IFXMIPS_DEU_BASE + 0x0008))
+
+#define IFXMIPS_DES_CON ((u32 *)(IFXMIPS_DEU_BASE + 0x0010))
+#define IFXMIPS_DES_IHR ((u32 *)(IFXMIPS_DEU_BASE + 0x0014))
+#define IFXMIPS_DES_ILR ((u32 *)(IFXMIPS_DEU_BASE + 0x0018))
+#define IFXMIPS_DES_K1HR ((u32 *)(IFXMIPS_DEU_BASE + 0x001C))
+#define IFXMIPS_DES_K1LR ((u32 *)(IFXMIPS_DEU_BASE + 0x0020))
+#define IFXMIPS_DES_K3HR ((u32 *)(IFXMIPS_DEU_BASE + 0x0024))
+#define IFXMIPS_DES_K3LR ((u32 *)(IFXMIPS_DEU_BASE + 0x0028))
+#define IFXMIPS_DES_IVHR ((u32 *)(IFXMIPS_DEU_BASE + 0x002C))
+#define IFXMIPS_DES_IVLR ((u32 *)(IFXMIPS_DEU_BASE + 0x0030))
+#define IFXMIPS_DES_OHR ((u32 *)(IFXMIPS_DEU_BASE + 0x0040))
+#define IFXMIPS_DES_OLR ((u32 *)(IFXMIPS_DEU_BASE + 0x0050))
+#define IFXMIPS_AES_CON ((u32 *)(IFXMIPS_DEU_BASE + 0x0050))
+#define IFXMIPS_AES_ID3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0054))
+#define IFXMIPS_AES_ID2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0058))
+#define IFXMIPS_AES_ID1R ((u32 *)(IFXMIPS_DEU_BASE + 0x005C))
+#define IFXMIPS_AES_ID0R ((u32 *)(IFXMIPS_DEU_BASE + 0x0060))
+#define IFXMIPS_AES_K7R ((u32 *)(IFXMIPS_DEU_BASE + 0x0064))
+#define IFXMIPS_AES_K6R ((u32 *)(IFXMIPS_DEU_BASE + 0x0068))
+#define IFXMIPS_AES_K5R ((u32 *)(IFXMIPS_DEU_BASE + 0x006C))
+#define IFXMIPS_AES_K4R ((u32 *)(IFXMIPS_DEU_BASE + 0x0070))
+#define IFXMIPS_AES_K3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0074))
+#define IFXMIPS_AES_K2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0078))
+#define IFXMIPS_AES_K1R ((u32 *)(IFXMIPS_DEU_BASE + 0x007C))
+#define IFXMIPS_AES_K0R ((u32 *)(IFXMIPS_DEU_BASE + 0x0080))
+#define IFXMIPS_AES_IV3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0084))
+#define IFXMIPS_AES_IV2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0088))
+#define IFXMIPS_AES_IV1R ((u32 *)(IFXMIPS_DEU_BASE + 0x008C))
+#define IFXMIPS_AES_IV0R ((u32 *)(IFXMIPS_DEU_BASE + 0x0090))
+#define IFXMIPS_AES_0D3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0094))
+#define IFXMIPS_AES_0D2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0098))
+#define IFXMIPS_AES_OD1R ((u32 *)(IFXMIPS_DEU_BASE + 0x009C))
+#define IFXMIPS_AES_OD0R ((u32 *)(IFXMIPS_DEU_BASE + 0x00A0))
+
+/*------------ FUSE */
+
+#define IFXMIPS_FUSE_BASE_ADDR (KSEG1 + 0x1F107354)
+
+
+/*------------ MPS */
+
+#define IFXMIPS_MPS_BASE_ADDR (KSEG1 + 0x1F107000)
+#define IFXMIPS_MPS_SRAM ((u32 *)(KSEG1 + 0x1F200000))
+
+#define IFXMIPS_MPS_CHIPID ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0344))
+#define IFXMIPS_MPS_VC0ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0000))
+#define IFXMIPS_MPS_VC1ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0004))
+#define IFXMIPS_MPS_VC2ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0008))
+#define IFXMIPS_MPS_VC3ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x000C))
+#define IFXMIPS_MPS_RVC0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0010))
+#define IFXMIPS_MPS_RVC1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0014))
+#define IFXMIPS_MPS_RVC2SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0018))
+#define IFXMIPS_MPS_RVC3SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x001C))
+#define IFXMIPS_MPS_SVC0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0020))
+#define IFXMIPS_MPS_SVC1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0024))
+#define IFXMIPS_MPS_SVC2SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0028))
+#define IFXMIPS_MPS_SVC3SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x002C))
+#define IFXMIPS_MPS_CVC0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0030))
+#define IFXMIPS_MPS_CVC1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0034))
+#define IFXMIPS_MPS_CVC2SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0038))
+#define IFXMIPS_MPS_CVC3SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x003C))
+#define IFXMIPS_MPS_RAD0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0040))
+#define IFXMIPS_MPS_RAD1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0044))
+#define IFXMIPS_MPS_SAD0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0048))
+#define IFXMIPS_MPS_SAD1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x004C))
+#define IFXMIPS_MPS_CAD0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0050))
+#define IFXMIPS_MPS_CAD1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0054))
+#define IFXMIPS_MPS_AD0ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0058))
+#define IFXMIPS_MPS_AD1ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x005C))
+
+#define IFXMIPS_MPS_CHIPID_VERSION_GET(value) (((value) >> 28) & ((1 << 4) - 1))
+#define IFXMIPS_MPS_CHIPID_VERSION_SET(value) ((((1 << 4) - 1) & (value)) << 28)
+#define IFXMIPS_MPS_CHIPID_PARTNUM_GET(value) (((value) >> 12) & ((1 << 16) - 1))
+#define IFXMIPS_MPS_CHIPID_PARTNUM_SET(value) ((((1 << 16) - 1) & (value)) << 12)
+#define IFXMIPS_MPS_CHIPID_MANID_GET(value) (((value) >> 1) & ((1 << 10) - 1))
+#define IFXMIPS_MPS_CHIPID_MANID_SET(value) ((((1 << 10) - 1) & (value)) << 1)
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h
new file mode 100644
index 000000000..9ee287b42
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h
@@ -0,0 +1,64 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+
+#ifndef _IFXMIPS_CGU_H__
+#define _IFXMIPS_CGU_H__
+
+#define BASIC_INPUT_CLOCK_FREQUENCY_1 35328000
+#define BASIC_INPUT_CLOCK_FREQUENCY_2 36000000
+
+#define BASIS_INPUT_CRYSTAL_USB 12000000
+
+#define GET_BITS(x, msb, lsb) (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb))
+
+#define CGU_PLL0_PHASE_DIVIDER_ENABLE (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 31))
+#define CGU_PLL0_BYPASS (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 30))
+#define CGU_PLL0_CFG_DSMSEL (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 28))
+#define CGU_PLL0_CFG_FRAC_EN (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 27))
+#define CGU_PLL1_SRC (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 31))
+#define CGU_PLL1_BYPASS (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 30))
+#define CGU_PLL1_CFG_DSMSEL (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 28))
+#define CGU_PLL1_CFG_FRAC_EN (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 27))
+#define CGU_PLL2_PHASE_DIVIDER_ENABLE (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & (1 << 20))
+#define CGU_PLL2_BYPASS (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & (1 << 19))
+#define CGU_SYS_FPI_SEL (1 << 6)
+#define CGU_SYS_DDR_SEL 0x3
+#define CGU_PLL0_SRC (1 << 29)
+
+#define CGU_PLL0_CFG_PLLK GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 26, 17)
+#define CGU_PLL0_CFG_PLLN GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 12, 6)
+#define CGU_PLL0_CFG_PLLM GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 5, 2)
+#define CGU_PLL1_CFG_PLLK GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 26, 17)
+#define CGU_PLL1_CFG_PLLN GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 12, 6)
+#define CGU_PLL1_CFG_PLLM GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 5, 2)
+#define CGU_PLL2_SRC GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 18, 17)
+#define CGU_PLL2_CFG_INPUT_DIV GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 16, 13)
+#define CGU_PLL2_CFG_PLLN GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 12, 6)
+#define CGU_PLL2_CFG_PLLM GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 5, 2)
+#define CGU_IF_CLK_PCI_CLK GET_BITS(*IFXMIPS_CGU_IF_CLK, 23, 20)
+
+
+unsigned int cgu_get_mips_clock(int cpu);
+unsigned int cgu_get_io_region_clock(void);
+unsigned int cgu_get_fpi_bus_clock(int fpi);
+void cgu_setup_pci_clk(int internal_clock);
+unsigned int ifxmips_get_ddr_hz(void);
+unsigned int ifxmips_get_fpi_hz(void);
+unsigned int ifxmips_get_cpu_hz(void);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h
new file mode 100644
index 000000000..8ba852a1e
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h
@@ -0,0 +1,195 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2005 infineon
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ *
+ */
+#ifndef _IFXMIPS_DMA_H__
+#define _IFXMIPS_DMA_H__
+
+#define RCV_INT 1
+#define TX_BUF_FULL_INT 2
+#define TRANSMIT_CPT_INT 4
+#define IFXMIPS_DMA_CH_ON 1
+#define IFXMIPS_DMA_CH_OFF 0
+#define IFXMIPS_DMA_CH_DEFAULT_WEIGHT 100
+
+enum attr_t{
+ TX = 0,
+ RX = 1,
+ RESERVED = 2,
+ DEFAULT = 3,
+};
+
+#define DMA_OWN 1
+#define CPU_OWN 0
+#define DMA_MAJOR 250
+
+#define DMA_DESC_OWN_CPU 0x0
+#define DMA_DESC_OWN_DMA 0x80000000
+#define DMA_DESC_CPT_SET 0x40000000
+#define DMA_DESC_SOP_SET 0x20000000
+#define DMA_DESC_EOP_SET 0x10000000
+
+#define MISCFG_MASK 0x40
+#define RDERR_MASK 0x20
+#define CHOFF_MASK 0x10
+#define DESCPT_MASK 0x8
+#define DUR_MASK 0x4
+#define EOP_MASK 0x2
+
+#define DMA_DROP_MASK (1<<31)
+
+#define IFXMIPS_DMA_RX -1
+#define IFXMIPS_DMA_TX 1
+
+struct dma_chan_map {
+ const char *dev_name;
+ enum attr_t dir;
+ int pri;
+ int irq;
+ int rel_chan_no;
+};
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+struct rx_desc {
+ u32 data_length:16;
+ volatile u32 reserved:7;
+ volatile u32 byte_offset:2;
+ volatile u32 Burst_length_offset:3;
+ volatile u32 EoP:1;
+ volatile u32 Res:1;
+ volatile u32 C:1;
+ volatile u32 OWN:1;
+ volatile u32 Data_Pointer; /* fixme: should be 28 bits here */
+};
+
+struct tx_desc {
+ volatile u32 data_length:16;
+ volatile u32 reserved1:7;
+ volatile u32 byte_offset:5;
+ volatile u32 EoP:1;
+ volatile u32 SoP:1;
+ volatile u32 C:1;
+ volatile u32 OWN:1;
+ volatile u32 Data_Pointer; /* fixme: should be 28 bits here */
+};
+#else /* BIG */
+struct rx_desc {
+ union {
+ struct {
+ volatile u32 OWN:1;
+ volatile u32 C:1;
+ volatile u32 SoP:1;
+ volatile u32 EoP:1;
+ volatile u32 Burst_length_offset:3;
+ volatile u32 byte_offset:2;
+ volatile u32 reserve:7;
+ volatile u32 data_length:16;
+ } field;
+ volatile u32 word;
+ } status;
+ volatile u32 Data_Pointer;
+};
+
+struct tx_desc {
+ union {
+ struct {
+ volatile u32 OWN:1;
+ volatile u32 C:1;
+ volatile u32 SoP:1;
+ volatile u32 EoP:1;
+ volatile u32 byte_offset:5;
+ volatile u32 reserved:7;
+ volatile u32 data_length:16;
+ } field;
+ volatile u32 word;
+ } status;
+ volatile u32 Data_Pointer;
+};
+#endif /* ENDIAN */
+
+struct dma_channel_info {
+ /* relative channel number */
+ int rel_chan_no;
+ /* class for this channel for QoS */
+ int pri;
+ /* specify byte_offset */
+ int byte_offset;
+ /* direction */
+ int dir;
+ /* irq number */
+ int irq;
+ /* descriptor parameter */
+ int desc_base;
+ int desc_len;
+ int curr_desc;
+ int prev_desc; /* only used if it is a tx channel*/
+ /* weight setting for WFQ algorithm*/
+ int weight;
+ int default_weight;
+ int packet_size;
+ int burst_len;
+ /* on or off of this channel */
+ int control;
+ /* optional information for the upper layer devices */
+#if defined(CONFIG_IFXMIPS_ETHERNET_D2) || defined(CONFIG_IFXMIPS_PPA)
+ void *opt[64];
+#else
+ void *opt[25];
+#endif
+ /* Pointer to the peripheral device who is using this channel */
+ void *dma_dev;
+ /* channel operations */
+ void (*open)(struct dma_channel_info *pCh);
+ void (*close)(struct dma_channel_info *pCh);
+ void (*reset)(struct dma_channel_info *pCh);
+ void (*enable_irq)(struct dma_channel_info *pCh);
+ void (*disable_irq)(struct dma_channel_info *pCh);
+};
+
+struct dma_device_info {
+ /* device name of this peripheral */
+ char device_name[15];
+ int reserved;
+ int tx_burst_len;
+ int rx_burst_len;
+ int default_weight;
+ int current_tx_chan;
+ int current_rx_chan;
+ int num_tx_chan;
+ int num_rx_chan;
+ int max_rx_chan_num;
+ int max_tx_chan_num;
+ struct dma_channel_info *tx_chan[20];
+ struct dma_channel_info *rx_chan[20];
+ /*functions, optional*/
+ u8 *(*buffer_alloc)(int len, int *offset, void **opt);
+ void (*buffer_free)(u8 *dataptr, void *opt);
+ int (*intr_handler)(struct dma_device_info *info, int status);
+ void *priv; /* used by peripheral driver only */
+};
+
+struct dma_device_info *dma_device_reserve(char *dev_name);
+void dma_device_release(struct dma_device_info *dev);
+void dma_device_register(struct dma_device_info *info);
+void dma_device_unregister(struct dma_device_info *info);
+int dma_device_read(struct dma_device_info *info, u8 **dataptr, void **opt);
+int dma_device_write(struct dma_device_info *info, u8 *dataptr, int len,
+ void *opt);
+
+#endif
+
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h
new file mode 100644
index 000000000..4c9396ae8
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h
@@ -0,0 +1,23 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXMIPS_EBU_H__
+#define _IFXMIPS_EBU_H__
+
+extern spinlock_t ebu_lock;
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h
new file mode 100644
index 000000000..a4c8c3ffb
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h
@@ -0,0 +1,40 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXMIPS_GPIO_H__
+#define _IFXMIPS_GPIO_H__
+
+extern int ifxmips_port_reserve_pin(unsigned int port, unsigned int pin);
+extern int ifxmips_port_free_pin(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_open_drain(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_pudsel(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_puden(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_puden(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_stoff(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_stoff(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_dir_out(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_dir_in(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_output(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_output(unsigned int port, unsigned int pin);
+extern int ifxmips_port_get_input(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_altsel0(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin);
+extern int ifxmips_port_set_altsel1(unsigned int port, unsigned int pin);
+extern int ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h
new file mode 100644
index 000000000..330c3cfd5
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h
@@ -0,0 +1,155 @@
+#ifndef __DANUBE_GPTU_DEV_H__2005_07_26__10_19__
+#define __DANUBE_GPTU_DEV_H__2005_07_26__10_19__
+
+
+/******************************************************************************
+ Copyright (c) 2002, Infineon Technologies. All rights reserved.
+
+ No Warranty
+ Because the program is licensed free of charge, there is no warranty for
+ the program, to the extent permitted by applicable law. Except when
+ otherwise stated in writing the copyright holders and/or other parties
+ provide the program "as is" without warranty of any kind, either
+ expressed or implied, including, but not limited to, the implied
+ warranties of merchantability and fitness for a particular purpose. The
+ entire risk as to the quality and performance of the program is with
+ you. should the program prove defective, you assume the cost of all
+ necessary servicing, repair or correction.
+
+ In no event unless required by applicable law or agreed to in writing
+ will any copyright holder, or any other party who may modify and/or
+ redistribute the program as permitted above, be liable to you for
+ damages, including any general, special, incidental or consequential
+ damages arising out of the use or inability to use the program
+ (including but not limited to loss of data or data being rendered
+ inaccurate or losses sustained by you or third parties or a failure of
+ the program to operate with any other programs), even if such holder or
+ other party has been advised of the possibility of such damages.
+******************************************************************************/
+
+
+/*
+ * ####################################
+ * Definition
+ * ####################################
+ */
+
+/*
+ * Available Timer/Counter Index
+ */
+#define TIMER(n, X) (n * 2 + (X ? 1 : 0))
+#define TIMER_ANY 0x00
+#define TIMER1A TIMER(1, 0)
+#define TIMER1B TIMER(1, 1)
+#define TIMER2A TIMER(2, 0)
+#define TIMER2B TIMER(2, 1)
+#define TIMER3A TIMER(3, 0)
+#define TIMER3B TIMER(3, 1)
+
+/*
+ * Flag of Timer/Counter
+ * These flags specify the way in which timer is configured.
+ */
+/* Bit size of timer/counter. */
+#define TIMER_FLAG_16BIT 0x0000
+#define TIMER_FLAG_32BIT 0x0001
+/* Switch between timer and counter. */
+#define TIMER_FLAG_TIMER 0x0000
+#define TIMER_FLAG_COUNTER 0x0002
+/* Stop or continue when overflowing/underflowing. */
+#define TIMER_FLAG_ONCE 0x0000
+#define TIMER_FLAG_CYCLIC 0x0004
+/* Count up or counter down. */
+#define TIMER_FLAG_UP 0x0000
+#define TIMER_FLAG_DOWN 0x0008
+/* Count on specific level or edge. */
+#define TIMER_FLAG_HIGH_LEVEL_SENSITIVE 0x0000
+#define TIMER_FLAG_LOW_LEVEL_SENSITIVE 0x0040
+#define TIMER_FLAG_RISE_EDGE 0x0010
+#define TIMER_FLAG_FALL_EDGE 0x0020
+#define TIMER_FLAG_ANY_EDGE 0x0030
+/* Signal is syncronous to module clock or not. */
+#define TIMER_FLAG_UNSYNC 0x0000
+#define TIMER_FLAG_SYNC 0x0080
+/* Different interrupt handle type. */
+#define TIMER_FLAG_NO_HANDLE 0x0000
+#if defined(__KERNEL__)
+ #define TIMER_FLAG_CALLBACK_IN_IRQ 0x0100
+#endif // defined(__KERNEL__)
+#define TIMER_FLAG_SIGNAL 0x0300
+/* Internal clock source or external clock source */
+#define TIMER_FLAG_INT_SRC 0x0000
+#define TIMER_FLAG_EXT_SRC 0x1000
+
+
+/*
+ * ioctl Command
+ */
+#define GPTU_REQUEST_TIMER 0x01 /* General method to setup timer/counter. */
+#define GPTU_FREE_TIMER 0x02 /* Free timer/counter. */
+#define GPTU_START_TIMER 0x03 /* Start or resume timer/counter. */
+#define GPTU_STOP_TIMER 0x04 /* Suspend timer/counter. */
+#define GPTU_GET_COUNT_VALUE 0x05 /* Get current count value. */
+#define GPTU_CALCULATE_DIVIDER 0x06 /* Calculate timer divider from given freq.*/
+#define GPTU_SET_TIMER 0x07 /* Simplified method to setup timer. */
+#define GPTU_SET_COUNTER 0x08 /* Simplified method to setup counter. */
+
+/*
+ * Data Type Used to Call ioctl
+ */
+struct gptu_ioctl_param {
+ unsigned int timer; /* In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and *
+ * GPTU_SET_COUNTER, this field is ID of expected *
+ * timer/counter. If it's zero, a timer/counter would *
+ * be dynamically allocated and ID would be stored in *
+ * this field. *
+ * In command GPTU_GET_COUNT_VALUE, this field is *
+ * ignored. *
+ * In other command, this field is ID of timer/counter *
+ * allocated. */
+ unsigned int flag; /* In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and *
+ * GPTU_SET_COUNTER, this field contains flags to *
+ * specify how to configure timer/counter. *
+ * In command GPTU_START_TIMER, zero indicate start *
+ * and non-zero indicate resume timer/counter. *
+ * In other command, this field is ignored. */
+ unsigned long value; /* In command GPTU_REQUEST_TIMER, this field contains *
+ * init/reload value. *
+ * In command GPTU_SET_TIMER, this field contains *
+ * frequency (0.001Hz) of timer. *
+ * In command GPTU_GET_COUNT_VALUE, current count *
+ * value would be stored in this field. *
+ * In command GPTU_CALCULATE_DIVIDER, this field *
+ * contains frequency wanted, and after calculation, *
+ * divider would be stored in this field to overwrite *
+ * the frequency. *
+ * In other command, this field is ignored. */
+ int pid; /* In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER, *
+ * if signal is required, this field contains process *
+ * ID to which signal would be sent. *
+ * In other command, this field is ignored. */
+ int sig; /* In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER, *
+ * if signal is required, this field contains signal *
+ * number which would be sent. *
+ * In other command, this field is ignored. */
+};
+
+/*
+ * ####################################
+ * Data Type
+ * ####################################
+ */
+typedef void (*timer_callback)(unsigned long arg);
+
+extern int ifxmips_request_timer(unsigned int, unsigned int, unsigned long, unsigned long, unsigned long);
+extern int ifxmips_free_timer(unsigned int);
+extern int ifxmips_start_timer(unsigned int, int);
+extern int ifxmips_stop_timer(unsigned int);
+extern int ifxmips_reset_counter_flags(u32 timer, u32 flags);
+extern int ifxmips_get_count_value(unsigned int, unsigned long *);
+extern u32 ifxmips_cal_divider(unsigned long);
+extern int ifxmips_set_timer(unsigned int, unsigned int, int, int, unsigned int, unsigned long, unsigned long);
+extern int ifxmips_set_counter(unsigned int timer, unsigned int flag,
+ u32 reload, unsigned long arg1, unsigned long arg2);
+
+#endif /* __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ */
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h
new file mode 100644
index 000000000..89008476a
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h
@@ -0,0 +1,78 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2005 infineon
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXMIPS_IRQ__
+#define _IFXMIPS_IRQ__
+
+#define INT_NUM_IRQ0 8
+#define INT_NUM_IM0_IRL0 (INT_NUM_IRQ0 + 0)
+#define INT_NUM_IM1_IRL0 (INT_NUM_IRQ0 + 32)
+#define INT_NUM_IM2_IRL0 (INT_NUM_IRQ0 + 64)
+#define INT_NUM_IM3_IRL0 (INT_NUM_IRQ0 + 96)
+#define INT_NUM_IM4_IRL0 (INT_NUM_IRQ0 + 128)
+#define INT_NUM_IM_OFFSET (INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0)
+
+#define IFXMIPSASC_TIR(x) (INT_NUM_IM3_IRL0 + (x * 7))
+#define IFXMIPSASC_RIR(x) (INT_NUM_IM3_IRL0 + (x * 7) + 2)
+#define IFXMIPSASC_EIR(x) (INT_NUM_IM3_IRL0 + (x * 7) + 3)
+
+#define IFXMIPS_SSC_TIR (INT_NUM_IM0_IRL0 + 15)
+#define IFXMIPS_SSC_RIR (INT_NUM_IM0_IRL0 + 14)
+#define IFXMIPS_SSC_EIR (INT_NUM_IM0_IRL0 + 16)
+
+#define IFXMIPS_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21)
+#define IFXMIPS_MEI_INT (INT_NUM_IM1_IRL0 + 23)
+
+#define IFXMIPS_TIMER6_INT (INT_NUM_IM1_IRL0 + 23)
+#define IFXMIPS_USB_INT (INT_NUM_IM1_IRL0 + 22)
+#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23)
+
+#define MIPS_CPU_TIMER_IRQ 7
+
+#define IFXMIPS_DMA_CH0_INT (INT_NUM_IM2_IRL0)
+#define IFXMIPS_DMA_CH1_INT (INT_NUM_IM2_IRL0 + 1)
+#define IFXMIPS_DMA_CH2_INT (INT_NUM_IM2_IRL0 + 2)
+#define IFXMIPS_DMA_CH3_INT (INT_NUM_IM2_IRL0 + 3)
+#define IFXMIPS_DMA_CH4_INT (INT_NUM_IM2_IRL0 + 4)
+#define IFXMIPS_DMA_CH5_INT (INT_NUM_IM2_IRL0 + 5)
+#define IFXMIPS_DMA_CH6_INT (INT_NUM_IM2_IRL0 + 6)
+#define IFXMIPS_DMA_CH7_INT (INT_NUM_IM2_IRL0 + 7)
+#define IFXMIPS_DMA_CH8_INT (INT_NUM_IM2_IRL0 + 8)
+#define IFXMIPS_DMA_CH9_INT (INT_NUM_IM2_IRL0 + 9)
+#define IFXMIPS_DMA_CH10_INT (INT_NUM_IM2_IRL0 + 10)
+#define IFXMIPS_DMA_CH11_INT (INT_NUM_IM2_IRL0 + 11)
+#define IFXMIPS_DMA_CH12_INT (INT_NUM_IM2_IRL0 + 25)
+#define IFXMIPS_DMA_CH13_INT (INT_NUM_IM2_IRL0 + 26)
+#define IFXMIPS_DMA_CH14_INT (INT_NUM_IM2_IRL0 + 27)
+#define IFXMIPS_DMA_CH15_INT (INT_NUM_IM2_IRL0 + 28)
+#define IFXMIPS_DMA_CH16_INT (INT_NUM_IM2_IRL0 + 29)
+#define IFXMIPS_DMA_CH17_INT (INT_NUM_IM2_IRL0 + 30)
+#define IFXMIPS_DMA_CH18_INT (INT_NUM_IM2_IRL0 + 16)
+#define IFXMIPS_DMA_CH19_INT (INT_NUM_IM2_IRL0 + 21)
+
+#define IFXMIPS_PPE_MBOX_INT (INT_NUM_IM2_IRL0 + 24)
+
+#define INT_NUM_IM4_IRL14 (INT_NUM_IM4_IRL0 + 14)
+#define INT_NUM_IM4_IRL18 (INT_NUM_IM4_IRL0 + 18)
+#define INT_NUM_IM4_IRL19 (INT_NUM_IM4_IRL0 + 19)
+#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23)
+
+
+extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h
new file mode 100644
index 000000000..c97657a89
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h
@@ -0,0 +1,26 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXMIPS_LED_H__
+#define _IFXMIPS_LED_H__
+
+extern void ifxmips_led_set(unsigned int led);
+extern void ifxmips_led_clear(unsigned int led);
+extern void ifxmips_led_blink_set(unsigned int led);
+extern void ifxmips_led_blink_clear(unsigned int led);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_platform.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_platform.h
new file mode 100644
index 000000000..aef95437b
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_platform.h
@@ -0,0 +1,9 @@
+#ifndef _IFXMIPS_PLATFORM_H__
+#define _IFXMIPS_PLATFORM_H__
+
+struct ifxmips_eth_data {
+ const char *mac;
+ int mii_mode;
+};
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h
new file mode 100644
index 000000000..dd1f0d6f1
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h
@@ -0,0 +1,32 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXMIPS_PMU_H__
+#define _IFXMIPS_PMU_H__
+
+
+#define IFXMIPS_PMU_PWDCR_DMA 0x0020
+#define IFXMIPS_PMU_PWDCR_USB 0x8041
+#define IFXMIPS_PMU_PWDCR_LED 0x0800
+#define IFXMIPS_PMU_PWDCR_GPT 0x1000
+#define IFXMIPS_PMU_PWDCR_PPE 0x2000
+#define IFXMIPS_PMU_PWDCR_FPI 0x4000
+
+void ifxmips_pmu_enable(unsigned int module);
+void ifxmips_pmu_disable(unsigned int module);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h
new file mode 100644
index 000000000..6e4b597cc
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h
@@ -0,0 +1,24 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ */
+#ifndef _IFXPROM_H__
+#define _IFXPROM_H__
+
+extern void early_printf(const char *fmt, ...);
+extern int ifxmips_has_brn_block(void);
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/irq.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/irq.h
new file mode 100644
index 000000000..80342ae3a
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/irq.h
@@ -0,0 +1,28 @@
+/*
+ * include/asm-mips/mach-ifxmips/irq.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ *
+ */
+
+#ifndef __IFXMIPS_IRQ_H
+#define __IFXMIPS_IRQ_H
+
+#define NR_IRQS 256
+#include_next <irq.h>
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/machine.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/machine.h
new file mode 100644
index 000000000..19cfec39d
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/machine.h
@@ -0,0 +1,22 @@
+#include <asm/mips_machine.h>
+
+enum ifxmips_mach_type {
+ IFXMIPS_MACH_GENERIC,
+
+ /* Danube/Twinpass based machines */
+ IFXMIPS_MACH_EASY50712, /* Danube evalkit */
+ IFXMIPS_MACH_EASY4010, /* Twinpass evalkit */
+ IFXMIPS_MACH_ARV4518, /* Airties WAV-221 */
+ IFXMIPS_MACH_ARV4520, /* Airties WAV-281, Arcor EasyboxA800 */
+ IFXMIPS_MACH_ARV4525, /* Speedport W502V */
+
+ /* ASE based machines */
+ IFXMIPS_MACH_EASY50601, /* ASE wave board */
+
+ /* AR9 based machines */
+ IFXMIPS_MACH_EASY50822, /* AR9 eval board */
+
+ /* VR9 based machines */
+ IFXMIPS_MACH_EASY80920, /* VRX200 eval board */
+};
+
diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/war.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/war.h
new file mode 100644
index 000000000..de3584ecf
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/war.h
@@ -0,0 +1,24 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+#ifndef __ASM_MIPS_MACH_IFXMIPS_WAR_H
+#define __ASM_MIPS_MACH_IFXMIPS_WAR_H
+
+#define R4600_V1_INDEX_ICACHEOP_WAR 0
+#define R4600_V1_HIT_CACHEOP_WAR 0
+#define R4600_V2_HIT_CACHEOP_WAR 0
+#define R5432_CP0_INTERRUPT_WAR 0
+#define BCM1250_M3_WAR 0
+#define SIBYTE_1956_WAR 0
+#define MIPS4K_ICACHE_REFILL_WAR 0
+#define MIPS_CACHE_SYNC_WAR 0
+#define TX49XX_ICACHE_INDEX_INV_WAR 0
+#define RM9000_CDEX_SMP_WAR 0
+#define ICACHE_REFILLS_WORKAROUND_WAR 0
+#define R10000_LLSC_WAR 0
+#define MIPS34K_MISSED_ITLB_WAR 0
+
+#endif
diff --git a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
new file mode 100644
index 000000000..fde6357e4
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
@@ -0,0 +1,120 @@
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <asm/addrspace.h>
+#include <linux/vmalloc.h>
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_ebu.h>
+
+#define IFXMIPS_PCI_CFG_BUSNUM_SHF 16
+#define IFXMIPS_PCI_CFG_DEVNUM_SHF 11
+#define IFXMIPS_PCI_CFG_FUNNUM_SHF 8
+
+#define PCI_ACCESS_READ 0
+#define PCI_ACCESS_WRITE 1
+
+extern u32 ifxmips_pci_mapped_cfg;
+
+static int
+ifxmips_pci_config_access(unsigned char access_type,
+ struct pci_bus *bus, unsigned int devfn, unsigned int where, u32 *data)
+{
+ unsigned long cfg_base;
+ unsigned long flags;
+
+ u32 temp;
+
+ /* IFXMips support slot from 0 to 15 */
+ /* dev_fn 0&0x68 (AD29) is ifxmips itself */
+ if ((bus->number != 0) || ((devfn & 0xf8) > 0x78)
+ || ((devfn & 0xf8) == 0) || ((devfn & 0xf8) == 0x68))
+ return 1;
+
+ spin_lock_irqsave(&ebu_lock, flags);
+
+ cfg_base = ifxmips_pci_mapped_cfg;
+ cfg_base |= (bus->number << IFXMIPS_PCI_CFG_BUSNUM_SHF) | (devfn <<
+ IFXMIPS_PCI_CFG_FUNNUM_SHF) | (where & ~0x3);
+
+ /* Perform access */
+ if (access_type == PCI_ACCESS_WRITE)
+ {
+#ifdef CONFIG_SWAP_IO_SPACE
+ ifxmips_w32(swab32(*data), ((u32*)cfg_base));
+#else
+ ifxmips_w32(*data, ((u32*)cfg_base));
+#endif
+ } else {
+ *data = ifxmips_r32(((u32*)(cfg_base)));
+#ifdef CONFIG_SWAP_IO_SPACE
+ *data = swab32(*data);
+#endif
+ }
+ wmb();
+
+ /* clean possible Master abort */
+ cfg_base = (ifxmips_pci_mapped_cfg | (0x0 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4;
+ temp = ifxmips_r32(((u32*)(cfg_base)));
+#ifdef CONFIG_SWAP_IO_SPACE
+ temp = swab32 (temp);
+#endif
+ cfg_base = (ifxmips_pci_mapped_cfg | (0x68 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4;
+ ifxmips_w32(temp, ((u32*)cfg_base));
+
+ spin_unlock_irqrestore(&ebu_lock, flags);
+
+ if (((*data) == 0xffffffff) && (access_type == PCI_ACCESS_READ))
+ return 1;
+
+ return 0;
+}
+
+int
+ifxmips_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 * val)
+{
+ u32 data = 0;
+
+ if (ifxmips_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ if (size == 1)
+ *val = (data >> ((where & 3) << 3)) & 0xff;
+ else if (size == 2)
+ *val = (data >> ((where & 3) << 3)) & 0xffff;
+ else
+ *val = data;
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+int
+ifxmips_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 val)
+{
+ u32 data = 0;
+
+ if (size == 4)
+ {
+ data = val;
+ } else {
+ if (ifxmips_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ if (size == 1)
+ data = (data & ~(0xff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ else if (size == 2)
+ data = (data & ~(0xffff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ }
+
+ if (ifxmips_pci_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ return PCIBIOS_SUCCESSFUL;
+}
diff --git a/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
new file mode 100644
index 000000000..6ff765e85
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
@@ -0,0 +1,209 @@
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <asm/addrspace.h>
+#include <linux/vmalloc.h>
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+#include <ifxmips_cgu.h>
+
+#define IFXMIPS_PCI_MEM_BASE 0x18000000
+#define IFXMIPS_PCI_MEM_SIZE 0x02000000
+#define IFXMIPS_PCI_IO_BASE 0x1AE00000
+#define IFXMIPS_PCI_IO_SIZE 0x00200000
+
+extern int ifxmips_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
+extern int ifxmips_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
+
+struct pci_ops ifxmips_pci_ops =
+{
+ .read = ifxmips_pci_read_config_dword,
+ .write = ifxmips_pci_write_config_dword
+};
+
+static struct resource pci_io_resource =
+{
+ .name = "io pci IO space",
+ .start = IFXMIPS_PCI_IO_BASE,
+ .end = IFXMIPS_PCI_IO_BASE + IFXMIPS_PCI_IO_SIZE - 1,
+ .flags = IORESOURCE_IO
+};
+
+static struct resource pci_mem_resource =
+{
+ .name = "ext pci memory space",
+ .start = IFXMIPS_PCI_MEM_BASE,
+ .end = IFXMIPS_PCI_MEM_BASE + IFXMIPS_PCI_MEM_SIZE - 1,
+ .flags = IORESOURCE_MEM
+};
+
+static struct pci_controller ifxmips_pci_controller =
+{
+ .pci_ops = &ifxmips_pci_ops,
+ .mem_resource = &pci_mem_resource,
+ .mem_offset = 0x00000000UL,
+ .io_resource = &pci_io_resource,
+ .io_offset = 0x00000000UL,
+};
+
+/* the cpu can can generate the 33Mhz or rely on an external clock the cgu needs the
+ proper setting, otherwise the cpu hangs. we have no way of runtime detecting this */
+u32 ifxmips_pci_mapped_cfg;
+int ifxmips_pci_external_clock = 0;
+
+/* Since the PCI REQ pins can be reused for other functionality, make it possible
+ to exclude those from interpretation by the PCI controller */
+int ifxmips_pci_req_mask = 0xf;
+
+static int __init
+ifxmips_pci_set_external_clk(char *str)
+{
+ printk("cgu: setting up external pci clock\n");
+ ifxmips_pci_external_clock = 1;
+ return 1;
+}
+__setup("pci_external_clk", ifxmips_pci_set_external_clk);
+
+int
+pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ u8 pin;
+
+ pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ switch(pin)
+ {
+ case 0:
+ break;
+ case 1:
+ //falling edge level triggered:0x4, low level:0xc, rising edge:0x2
+ ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_CON) | 0xc, IFXMIPS_EBU_PCC_CON);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_IEN) | 0x10, IFXMIPS_EBU_PCC_IEN);
+ break;
+ case 2:
+ case 3:
+ case 4:
+ printk ("WARNING: interrupt pin %d not supported yet!\n", pin);
+ default:
+ printk ("WARNING: invalid interrupt pin %d\n", pin);
+ return 1;
+ }
+ return 0;
+}
+
+static u32 calc_bar11mask(void)
+{
+ u32 mem, bar11mask;
+
+ /* BAR11MASK value depends on available memory on system. */
+ mem = num_physpages * PAGE_SIZE;
+ bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) -1)) -1)) | 8;
+
+ return bar11mask;
+}
+
+static void __init
+ifxmips_pci_startup(void)
+{
+ u32 temp_buffer;
+
+ cgu_setup_pci_clk(ifxmips_pci_external_clock);
+
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) | (1 << 5), IFXMIPS_GPIO_P1_OUT);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OD) | (1 << 5), IFXMIPS_GPIO_P1_OD);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) | (1 << 5), IFXMIPS_GPIO_P1_DIR);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL1) & ~(1 << 5), IFXMIPS_GPIO_P1_ALTSEL1);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL0) & ~(1 << 5), IFXMIPS_GPIO_P1_ALTSEL0);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) & ~0x2000, IFXMIPS_GPIO_P1_DIR);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) | 0x4000, IFXMIPS_GPIO_P1_DIR);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL1) & ~0x6000, IFXMIPS_GPIO_P1_ALTSEL1);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL0) | 0x6000, IFXMIPS_GPIO_P1_ALTSEL0);
+ /* enable auto-switching between PCI and EBU */
+ ifxmips_w32(0xa, PCI_CR_CLK_CTRL);
+ /* busy, i.e. configuration is not done, PCI access has to be retried */
+ ifxmips_w32(ifxmips_r32(PCI_CR_PCI_MOD) & ~(1 << 24), PCI_CR_PCI_MOD);
+ wmb ();
+ /* BUS Master/IO/MEM access */
+ ifxmips_w32(ifxmips_r32(PCI_CS_STS_CMD) | 7, PCI_CS_STS_CMD);
+
+ /* enable external 2 PCI masters */
+ temp_buffer = ifxmips_r32(PCI_CR_PC_ARB);
+ temp_buffer &= (~(ifxmips_pci_req_mask << 16));
+ /* enable internal arbiter */
+ temp_buffer |= (1 << INTERNAL_ARB_ENABLE_BIT);
+ /* enable internal PCI master reqest */
+ temp_buffer &= (~(3 << PCI_MASTER0_REQ_MASK_2BITS));
+
+ /* enable EBU reqest */
+ temp_buffer &= (~(3 << PCI_MASTER1_REQ_MASK_2BITS));
+
+ /* enable all external masters request */
+ temp_buffer &= (~(3 << PCI_MASTER2_REQ_MASK_2BITS));
+ ifxmips_w32(temp_buffer, PCI_CR_PC_ARB);
+ wmb ();
+
+ ifxmips_w32(0x18000000, PCI_CR_FCI_ADDR_MAP0);
+ ifxmips_w32(0x18400000, PCI_CR_FCI_ADDR_MAP1);
+ ifxmips_w32(0x18800000, PCI_CR_FCI_ADDR_MAP2);
+ ifxmips_w32(0x18c00000, PCI_CR_FCI_ADDR_MAP3);
+ ifxmips_w32(0x19000000, PCI_CR_FCI_ADDR_MAP4);
+ ifxmips_w32(0x19400000, PCI_CR_FCI_ADDR_MAP5);
+ ifxmips_w32(0x19800000, PCI_CR_FCI_ADDR_MAP6);
+ ifxmips_w32(0x19c00000, PCI_CR_FCI_ADDR_MAP7);
+ ifxmips_w32(0x1ae00000, PCI_CR_FCI_ADDR_MAP11hg);
+ ifxmips_w32(calc_bar11mask(), PCI_CR_BAR11MASK);
+ ifxmips_w32(0, PCI_CR_PCI_ADDR_MAP11);
+ ifxmips_w32(0, PCI_CS_BASE_ADDR1);
+#ifdef CONFIG_SWAP_IO_SPACE
+ /* both TX and RX endian swap are enabled */
+ ifxmips_w32(ifxmips_r32(PCI_CR_PCI_EOI) | 3, PCI_CR_PCI_EOI);
+ wmb ();
+#endif
+ /*TODO: disable BAR2 & BAR3 - why was this in the origianl infineon code */
+ ifxmips_w32(ifxmips_r32(PCI_CR_BAR12MASK) | 0x80000000, PCI_CR_BAR12MASK);
+ ifxmips_w32(ifxmips_r32(PCI_CR_BAR13MASK) | 0x80000000, PCI_CR_BAR13MASK);
+ /*use 8 dw burst length */
+ ifxmips_w32(0x303, PCI_CR_FCI_BURST_LENGTH);
+ ifxmips_w32(ifxmips_r32(PCI_CR_PCI_MOD) | (1 << 24), PCI_CR_PCI_MOD);
+ wmb();
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) & ~(1 << 5), IFXMIPS_GPIO_P1_OUT);
+ wmb();
+ mdelay(1);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) | (1 << 5), IFXMIPS_GPIO_P1_OUT);
+}
+
+int __init
+pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){
+ switch(slot)
+ {
+ case 13:
+ /* IDSEL = AD29 --> USB Host Controller */
+ return (INT_NUM_IM1_IRL0 + 17);
+ case 14:
+ /* IDSEL = AD30 --> mini PCI connector */
+ return (INT_NUM_IM0_IRL0 + 22);
+ default:
+ printk("Warning: no IRQ found for PCI device in slot %d, pin %d\n", slot, pin);
+ return 0;
+ }
+}
+
+int __init
+pcibios_init(void)
+{
+ extern int pci_probe_only;
+
+ pci_probe_only = 0;
+ printk("PCI: Probing PCI hardware on host bus 0.\n");
+ ifxmips_pci_startup ();
+ ifxmips_pci_mapped_cfg = (u32)ioremap_nocache(0x17000000, 0x800 * 16);
+ printk("IFXMips PCI mapped to 0x%08lX\n", (unsigned long)ifxmips_pci_mapped_cfg);
+ ifxmips_pci_controller.io_map_base = (unsigned long)ioremap(IFXMIPS_PCI_IO_BASE, IFXMIPS_PCI_IO_SIZE - 1);
+ printk("IFXMips PCI I/O mapped to 0x%08lX\n", (unsigned long)ifxmips_pci_controller.io_map_base);
+ register_pci_controller(&ifxmips_pci_controller);
+ return 0;
+}
+
+arch_initcall(pcibios_init);