ar7: initial 2.6.26 patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11824 3c298f89-4303-0410-b956-a3cf2f4a3e73

8 files changed, 316 insertions, 0 deletions

diff --git a/target/linux/ar7/patches-2.6.26/100-board_support.patch b/target/linux/ar7/patches-2.6.26/100-board_support.patch
new file mode 100644
index 000000000..658a80e51
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/100-board_support.patch
@@ -0,0 +1,86 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -18,6 +18,24 @@
+ 	prompt "System type"
+ 	default SGI_IP22
+ 
++config AR7
++	bool "Texas Instruments AR7"
++	select BOOT_ELF32
++	select DMA_NONCOHERENT
++	select CEVT_R4K
++	select CSRC_R4K
++	select IRQ_CPU
++	select NO_EXCEPT_FILL
++	select SWAP_IO_SPACE
++	select SYS_HAS_CPU_MIPS32_R1
++	select SYS_HAS_EARLY_PRINTK
++	select SYS_SUPPORTS_32BIT_KERNEL
++	select SYS_SUPPORTS_KGDB
++	select SYS_SUPPORTS_LITTLE_ENDIAN
++	select SYS_SUPPORTS_BIG_ENDIAN
++	select GENERIC_GPIO
++	select GENERIC_HARDIRQS_NO__DO_IRQ
++
+ config MACH_ALCHEMY
+ 	bool "Alchemy processor based machines"
+ 
+--- a/arch/mips/kernel/traps.c
++++ b/arch/mips/kernel/traps.c
+@@ -1112,9 +1112,22 @@
+ 
+ 	exception_handlers[n] = handler;
+ 	if (n == 0 && cpu_has_divec) {
+-		*(u32 *)(ebase + 0x200) = 0x08000000 |
+-					  (0x03ffffff & (handler >> 2));
+-		flush_icache_range(ebase + 0x200, ebase + 0x204);
++		if ((handler ^ (ebase + 4)) & 0xfc000000) {
++			/* lui k0, 0x0000 */
++			*(u32 *)(ebase + 0x200) = 0x3c1a0000 | (handler >> 16);
++			/* ori k0, 0x0000 */
++			*(u32 *)(ebase + 0x204) =
++					0x375a0000 | (handler & 0xffff);
++			/* jr k0 */
++			*(u32 *)(ebase + 0x208) = 0x03400008;
++			/* nop */
++			*(u32 *)(ebase + 0x20C) = 0x00000000;
++			flush_icache_range(ebase + 0x200, ebase + 0x210);
++		} else {
++			*(u32 *)(ebase + 0x200) =
++				0x08000000 | (0x03ffffff & (handler >> 2));
++			flush_icache_range(ebase + 0x200, ebase + 0x204);
++		}
+ 	}
+ 	return (void *)old_handler;
+ }
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -167,6 +167,13 @@
+ #
+ 
+ #
++# Texas Instruments AR7
++#
++core-$(CONFIG_AR7)		+= arch/mips/ar7/
++cflags-$(CONFIG_AR7)		+= -Iinclude/asm-mips/ar7
++load-$(CONFIG_AR7)		+= 0xffffffff94100000
++
++#
+ # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
+ #
+ core-$(CONFIG_MACH_JAZZ)	+= arch/mips/jazz/
+--- a/include/asm-mips/page.h
++++ b/include/asm-mips/page.h
+@@ -182,8 +182,10 @@
+ #define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
+ 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+ 
+-#define UNCAC_ADDR(addr)	((addr) - PAGE_OFFSET + UNCAC_BASE)
+-#define CAC_ADDR(addr)		((addr) - UNCAC_BASE + PAGE_OFFSET)
++#define UNCAC_ADDR(addr)	((addr) - PAGE_OFFSET + UNCAC_BASE +	\
++				 PHYS_OFFSET)
++#define CAC_ADDR(addr)		((addr) - UNCAC_BASE + PAGE_OFFSET -	\
++				 PHYS_OFFSET)
+ 
+ #include <asm-generic/memory_model.h>
+ #include <asm-generic/page.h>
diff --git a/target/linux/ar7/patches-2.6.26/120-gpio_chrdev.patch b/target/linux/ar7/patches-2.6.26/120-gpio_chrdev.patch
new file mode 100644
index 000000000..cd5d744de
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/120-gpio_chrdev.patch
@@ -0,0 +1,28 @@
+--- a/drivers/char/Kconfig
++++ b/drivers/char/Kconfig
+@@ -913,6 +913,15 @@
+ 	  To compile this driver as a module, choose M here: the
+ 	  module will be called mwave.
+ 
++config AR7_GPIO
++	tristate "TI AR7 GPIO Support"
++	depends on AR7
++	help
++	  Give userspace access to the GPIO pins on the Texas Instruments AR7 
++	  processors.
++
++	  If compiled as a module, it will be called ar7_gpio.
++
+ config SCx200_GPIO
+ 	tristate "NatSemi SCx200 GPIO Support"
+ 	depends on SCx200
+--- a/drivers/char/Makefile
++++ b/drivers/char/Makefile
+@@ -90,6 +90,7 @@
+ obj-$(CONFIG_PPDEV)		+= ppdev.o
+ obj-$(CONFIG_NWBUTTON)		+= nwbutton.o
+ obj-$(CONFIG_NWFLASH)		+= nwflash.o
++obj-$(CONFIG_AR7_GPIO)		+= ar7_gpio.o
+ obj-$(CONFIG_SCx200_GPIO)	+= scx200_gpio.o
+ obj-$(CONFIG_PC8736x_GPIO)	+= pc8736x_gpio.o
+ obj-$(CONFIG_NSC_GPIO)		+= nsc_gpio.o
diff --git a/target/linux/ar7/patches-2.6.26/130-vlynq.patch b/target/linux/ar7/patches-2.6.26/130-vlynq.patch
new file mode 100644
index 000000000..8fb613de5
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/130-vlynq.patch
@@ -0,0 +1,23 @@
+Index: linux-2.6.26/drivers/Kconfig
+===================================================================
+--- linux-2.6.26.orig/drivers/Kconfig	2008-07-13 23:51:29.000000000 +0200
++++ linux-2.6.26/drivers/Kconfig	2008-07-14 12:28:00.186793402 +0200
+@@ -100,5 +100,7 @@
+ 
+ source "drivers/uio/Kconfig"
+ 
++source "drivers/vlynq/Kconfig"
++
+ source "drivers/xen/Kconfig"
+ endmenu
+Index: linux-2.6.26/drivers/Makefile
+===================================================================
+--- linux-2.6.26.orig/drivers/Makefile	2008-07-13 23:51:29.000000000 +0200
++++ linux-2.6.26/drivers/Makefile	2008-07-14 12:27:34.362789842 +0200
+@@ -92,5 +92,6 @@
+ obj-$(CONFIG_HID)		+= hid/
+ obj-$(CONFIG_PPC_PS3)		+= ps3/
+ obj-$(CONFIG_OF)		+= of/
++obj-$(CONFIG_VLYNQ)		+= vlynq/
+ obj-$(CONFIG_SSB)		+= ssb/
+ obj-$(CONFIG_VIRTIO)		+= virtio/
diff --git a/target/linux/ar7/patches-2.6.26/150-cpmac_not_broken.patch b/target/linux/ar7/patches-2.6.26/150-cpmac_not_broken.patch
new file mode 100644
index 000000000..6444cac88
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/150-cpmac_not_broken.patch
@@ -0,0 +1,11 @@
+--- a/drivers/net/Kconfig
++++ b/drivers/net/Kconfig
+@@ -1874,7 +1874,7 @@
+ 
+ config CPMAC
+ 	tristate "TI AR7 CPMAC Ethernet support (EXPERIMENTAL)"
+-	depends on NET_ETHERNET && EXPERIMENTAL && AR7 && BROKEN
++	depends on NET_ETHERNET && EXPERIMENTAL && AR7
+ 	select PHYLIB
+ 	help
+ 	  TI AR7 CPMAC Ethernet support
diff --git a/target/linux/ar7/patches-2.6.26/150-cpmac_up_and_running.diff b/target/linux/ar7/patches-2.6.26/150-cpmac_up_and_running.diff
new file mode 100644
index 000000000..d11bbf2e5
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/150-cpmac_up_and_running.diff
@@ -0,0 +1,47 @@
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -33,6 +33,8 @@
+ #include <linux/vlynq.h>
+ #include <linux/leds.h>
+ #include <linux/string.h>
++#include <linux/phy.h>
++#include <linux/phy_fixed.h>
+ 
+ #include <asm/addrspace.h>
+ #include <asm/ar7/ar7.h>
+@@ -205,6 +207,13 @@
+ 	.width = 2,
+ };
+ 
++/* lets assume this is suitable for both high and low cpmacs links */
++static struct fixed_phy_status fixed_phy_status __initdata = {
++	.link = 1,
++	.speed = 100,
++	.duplex = 1,
++};
++
+ static struct plat_cpmac_data cpmac_low_data = {
+ 	.reset_bit = 17,
+ 	.power_bit = 20,
+@@ -506,6 +515,10 @@
+ 	}
+ 
+ 	if (ar7_has_high_cpmac()) {
++		res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
++		if (res && res != -ENODEV)
++			return res;
++
+ 		cpmac_get_mac(1, cpmac_high_data.dev_addr);
+ 		res = platform_device_register(&cpmac_high);
+ 		if (res)
+@@ -514,6 +527,10 @@
+ 		cpmac_low_data.phy_mask = 0xffffffff;
+ 	}
+ 
++	res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
++	if (res && res != -ENODEV)
++		return res;
++
+ 	cpmac_get_mac(0, cpmac_low_data.dev_addr);
+ 	res = platform_device_register(&cpmac_low);
+ 	if (res)
diff --git a/target/linux/ar7/patches-2.6.26/200-mtd_fixes.patch b/target/linux/ar7/patches-2.6.26/200-mtd_fixes.patch
new file mode 100644
index 000000000..850a64302
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/200-mtd_fixes.patch
@@ -0,0 +1,54 @@
+--- a/drivers/mtd/ar7part.c
++++ b/drivers/mtd/ar7part.c
+@@ -34,6 +34,10 @@
+ #define LOADER_MAGIC1	le32_to_cpu(0xfeedfa42)
+ #define LOADER_MAGIC2	le32_to_cpu(0xfeed1281)
+ 
++#ifndef SQUASHFS_MAGIC
++#define SQUASHFS_MAGIC	0x73717368
++#endif
++
+ struct ar7_bin_rec {
+ 	unsigned int checksum;
+ 	unsigned int length;
+@@ -47,7 +51,8 @@
+ 				 unsigned long origin)
+ {
+ 	struct ar7_bin_rec header;
+-	unsigned int offset, len;
++	unsigned int offset;
++	size_t len;
+ 	unsigned int pre_size = master->erasesize, post_size = 0;
+ 	unsigned int root_offset = ROOT_OFFSET;
+ 
+@@ -66,7 +71,7 @@
+ 	do { /* Try 10 blocks starting from master->erasesize */
+ 		offset = pre_size;
+ 		master->read(master, offset,
+-			sizeof(header), &len, (u8 *)&header);
++			     sizeof(header), &len, (uint8_t *)&header);
+ 		if (!strncmp((char *)&header, "TIENV0.8", 8))
+ 			ar7_parts[1].offset = pre_size;
+ 		if (header.checksum == LOADER_MAGIC1)
+@@ -88,7 +93,7 @@
+ 		while (header.length) {
+ 			offset += sizeof(header) + header.length;
+ 			master->read(master, offset, sizeof(header),
+-				     &len, (u8 *)&header);
++				     &len, (uint8_t *)&header);
+ 		}
+ 		root_offset = offset + sizeof(header) + 4;
+ 		break;
+@@ -96,10 +101,10 @@
+ 		while (header.length) {
+ 			offset += sizeof(header) + header.length;
+ 			master->read(master, offset, sizeof(header),
+-				     &len, (u8 *)&header);
++				     &len, (uint8_t *)&header);
+ 		}
+ 		root_offset = offset + sizeof(header) + 4 + 0xff;
+-		root_offset &= ~(u32)0xff;
++		root_offset &= ~(uint32_t)0xff;
+ 		break;
+ 	default:
+ 		printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum);
diff --git a/target/linux/ar7/patches-2.6.26/500-serial_kludge.patch b/target/linux/ar7/patches-2.6.26/500-serial_kludge.patch
new file mode 100644
index 000000000..a40d4a377
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/500-serial_kludge.patch
@@ -0,0 +1,40 @@
+--- a/drivers/serial/8250.c
++++ b/drivers/serial/8250.c
+@@ -267,6 +267,13 @@
+ 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ 		.flags		= UART_CAP_FIFO,
+ 	},
++	[PORT_AR7] = {
++		.name		= "TI-AR7",
++		.fifo_size	= 16,
++		.tx_loadsz	= 16,
++		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00,
++		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
++	},
+ };
+ 
+ #if defined (CONFIG_SERIAL_8250_AU1X00)
+@@ -2455,7 +2462,11 @@
+ {
+ 	struct uart_8250_port *up = (struct uart_8250_port *)port;
+ 
++#ifdef CONFIG_AR7
++	wait_for_xmitr(up, BOTH_EMPTY);
++#else
+ 	wait_for_xmitr(up, UART_LSR_THRE);
++#endif
+ 	serial_out(up, UART_TX, ch);
+ }
+ 
+--- a/include/linux/serial_core.h
++++ b/include/linux/serial_core.h
+@@ -40,7 +40,8 @@
+ #define PORT_NS16550A	14
+ #define PORT_XSCALE	15
+ #define PORT_RM9000	16	/* PMC-Sierra RM9xxx internal UART */
+-#define PORT_MAX_8250	16	/* max port ID */
++#define PORT_AR7	17
++#define PORT_MAX_8250	17	/* max port ID */
+ 
+ /*
+  * ARM specific type numbers.  These are not currently guaranteed
diff --git a/target/linux/ar7/patches-2.6.26/900-temporary_cpmac_hack.diff b/target/linux/ar7/patches-2.6.26/900-temporary_cpmac_hack.diff
new file mode 100644
index 000000000..7da22cd99
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.26/900-temporary_cpmac_hack.diff
@@ -0,0 +1,27 @@
+--- a/drivers/net/cpmac.c
++++ b/drivers/net/cpmac.c
+@@ -936,7 +936,8 @@
+ 	int new_state = 0;
+ 
+ 	spin_lock(&priv->lock);
+-	if (priv->phy->link) {
++	if (1 /* priv->phy->link */) {
++		netif_carrier_on(dev);
+ 		netif_start_queue(dev);
+ 		if (priv->phy->duplex != priv->oldduplex) {
+ 			new_state = 1;
+@@ -948,11 +949,11 @@
+ 			priv->oldspeed = priv->phy->speed;
+ 		}
+ 
+-		if (!priv->oldlink) {
++		/*if (!priv->oldlink) {
+ 			new_state = 1;
+-			priv->oldlink = 1;
++			priv->oldlink = 1;*/
+ 			netif_schedule(dev);
+-		}
++		/*}*/
+ 	} else if (priv->oldlink) {
+ 		netif_stop_queue(dev);
+ 		new_state = 1;