diff options
Diffstat (limited to 'target/linux/rb532/files/arch/mips/rb500')
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/Makefile | 5 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/devices.c | 338 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/gpio.c | 198 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/irq.c | 265 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/prom.c | 178 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/serial.c | 78 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/setup.c | 81 | ||||
| -rw-r--r-- | target/linux/rb532/files/arch/mips/rb500/time.c | 94 |
8 files changed, 0 insertions, 1237 deletions
diff --git a/target/linux/rb532/files/arch/mips/rb500/Makefile b/target/linux/rb532/files/arch/mips/rb500/Makefile deleted file mode 100644 index d3ae3d912..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the RB500 board specific parts of the kernel -# - -obj-y += irq.o time.o setup.o serial.o prom.o gpio.o devices.o diff --git a/target/linux/rb532/files/arch/mips/rb500/devices.c b/target/linux/rb532/files/arch/mips/rb500/devices.c deleted file mode 100644 index 6372737de..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/devices.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * RouterBoard 500 Platform devices - * - * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> - * - * 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. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ctype.h> -#include <linux/string.h> -#include <linux/platform_device.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/gpio_keys.h> -#include <linux/input.h> - -#include <asm/bootinfo.h> - -#include <asm/rc32434/rc32434.h> -#include <asm/rc32434/dma.h> -#include <asm/rc32434/dma_v.h> -#include <asm/rc32434/eth.h> -#include <asm/rc32434/rb.h> - -#define ETH0_DMA_RX_IRQ GROUP1_IRQ_BASE + 0 -#define ETH0_DMA_TX_IRQ GROUP1_IRQ_BASE + 1 -#define ETH0_RX_OVR_IRQ GROUP3_IRQ_BASE + 9 -#define ETH0_TX_UND_IRQ GROUP3_IRQ_BASE + 10 - -#define ETH0_RX_DMA_ADDR (DMA0_PhysicalAddress + 0*DMA_CHAN_OFFSET) -#define ETH0_TX_DMA_ADDR (DMA0_PhysicalAddress + 1*DMA_CHAN_OFFSET) - -/* NAND definitions */ -#define MEM32(x) *((volatile unsigned *) (x)) - -#define GPIO_RDY (1 << 0x08) -#define GPIO_WPX (1 << 0x09) -#define GPIO_ALE (1 << 0x0a) -#define GPIO_CLE (1 << 0x0b) - -extern char* board_type; - -static struct resource korina_dev0_res[] = { - { - .name = "korina_regs", - .start = ETH0_PhysicalAddress, - .end = ETH0_PhysicalAddress + sizeof(ETH_t), - .flags = IORESOURCE_MEM, - }, { - .name = "korina_rx", - .start = ETH0_DMA_RX_IRQ, - .end = ETH0_DMA_RX_IRQ, - .flags = IORESOURCE_IRQ - }, { - .name = "korina_tx", - .start = ETH0_DMA_TX_IRQ, - .end = ETH0_DMA_TX_IRQ, - .flags = IORESOURCE_IRQ - }, { - .name = "korina_ovr", - .start = ETH0_RX_OVR_IRQ, - .end = ETH0_RX_OVR_IRQ, - .flags = IORESOURCE_IRQ - }, { - .name = "korina_und", - .start = ETH0_TX_UND_IRQ, - .end = ETH0_TX_UND_IRQ, - .flags = IORESOURCE_IRQ - }, { - .name = "korina_dma_rx", - .start = ETH0_RX_DMA_ADDR, - .end = ETH0_RX_DMA_ADDR + DMA_CHAN_OFFSET - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "korina_dma_tx", - .start = ETH0_TX_DMA_ADDR, - .end = ETH0_TX_DMA_ADDR + DMA_CHAN_OFFSET - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct korina_device korina_dev0_data = { - .name = "korina0", - .mac = {0xde, 0xca, 0xff, 0xc0, 0xff, 0xee} -}; - -static struct platform_device korina_dev0 = { - .id = 0, - .name = "korina", - .dev.platform_data = &korina_dev0_data, - .resource = korina_dev0_res, - .num_resources = ARRAY_SIZE(korina_dev0_res), -}; - -#define CF_GPIO_NUM 13 - -static struct resource cf_slot0_res[] = { - { - .name = "cf_membase", - .flags = IORESOURCE_MEM - }, { - .name = "cf_irq", - .start = (8 + 4 * 32 + CF_GPIO_NUM), /* 149 */ - .end = (8 + 4 * 32 + CF_GPIO_NUM), - .flags = IORESOURCE_IRQ - } -}; - -static struct cf_device cf_slot0_data = { - .gpio_pin = 13 -}; - -static struct platform_device cf_slot0 = { - .id = 0, - .name = "rb500-cf", - .dev.platform_data = &cf_slot0_data, - .resource = cf_slot0_res, - .num_resources = ARRAY_SIZE(cf_slot0_res), -}; - -/* Resources and device for NAND. There is no data needed and no irqs, so just define the memory used. */ - -/* - * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader - * will not be able to find the kernel that we load. So set the oobinfo - * when creating the partitions - */ -static struct nand_ecclayout rb500_nand_ecclayout = { - .eccbytes = 6, - .eccpos = { 8, 9, 10, 13, 14, 15 }, - .oobavail = 9, - .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } -}; - -int rb500_dev_ready(struct mtd_info *mtd) -{ - return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY; -} - -void rb500_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *chip = mtd->priv; - unsigned char orbits, nandbits; - - if (ctrl & NAND_CTRL_CHANGE) { - - orbits = (ctrl & NAND_CLE) << 1; - orbits |= (ctrl & NAND_ALE) >> 1; - - nandbits = (~ctrl & NAND_CLE) << 1; - nandbits |= (~ctrl & NAND_ALE) >> 1; - - changeLatchU5(orbits, nandbits); - } - if (cmd != NAND_CMD_NONE) - writeb(cmd, chip->IO_ADDR_W); -} - -static struct resource nand_slot0_res[] = { - [0] = { - .name = "nand_membase", - .flags = IORESOURCE_MEM - } -}; - -struct platform_nand_data rb500_nand_data = { - .ctrl.dev_ready = rb500_dev_ready, - .ctrl.cmd_ctrl = rb500_cmd_ctrl, -}; - -static struct platform_device nand_slot0 = { - .name = "gen_nand", - .id = -1, - .resource = nand_slot0_res, - .num_resources = ARRAY_SIZE(nand_slot0_res), - .dev.platform_data = &rb500_nand_data, -}; - -static struct mtd_partition rb500_partition_info[] = { - { - .name = "Routerboard NAND boot", - .offset = 0, - .size = 4 * 1024 * 1024, - }, { - .name = "rootfs", - .offset = MTDPART_OFS_NXTBLK, - .size = MTDPART_SIZ_FULL, - } -}; - -static struct platform_device rb500_led = { - .name = "rb500-led", - .id = 0, -}; - -static struct gpio_keys_button rb500_gpio_btn[] = { - { - .gpio = 1, - .code = BTN_0, - .desc = "S1", - .active_low = 1, - } -}; - -static struct gpio_keys_platform_data rb500_gpio_btn_data = { - .buttons = rb500_gpio_btn, - .nbuttons = ARRAY_SIZE(rb500_gpio_btn), -}; - -static struct platform_device rb500_button = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = &rb500_gpio_btn_data, - } -}; - -static struct platform_device *rb500_devs[] = { - &korina_dev0, - &nand_slot0, - &cf_slot0, - &rb500_led, - &rb500_button -}; - -static void __init parse_mac_addr(char *macstr) -{ - int i, j; - unsigned char result, value; - - for (i = 0; i < 6; i++) { - result = 0; - - if (i != 5 && *(macstr + 2) != ':') - return; - - for (j = 0; j < 2; j++) { - if (isxdigit(*macstr) - && (value = - isdigit(*macstr) ? *macstr - - '0' : toupper(*macstr) - 'A' + 10) < 16) { - result = result * 16 + value; - macstr++; - } else - return; - } - - macstr++; - korina_dev0_data.mac[i] = result; - } -} - - -/* DEVICE CONTROLLER 1 */ -#define CFG_DC_DEV1 (void*)0xb8010010 -#define CFG_DC_DEV2 (void*)0xb8010020 -#define CFG_DC_DEVBASE 0x0 -#define CFG_DC_DEVMASK 0x4 -#define CFG_DC_DEVC 0x8 -#define CFG_DC_DEVTC 0xC - -/* NAND definitions */ -#define NAND_CHIP_DELAY 25 - -static int rb500_nand_fixup(struct mtd_info *mtd) -{ - struct nand_chip *chip = mtd->priv; - - if (mtd->writesize == 512) - chip->ecc.layout = &rb500_nand_ecclayout; - - return 0; -} - -static void __init rb500_nand_setup(void) -{ - switch (mips_machtype) { - case MACH_MIKROTIK_RB532A: - changeLatchU5(LO_FOFF | LO_CEX, LO_ULED | LO_ALE | LO_CLE | LO_WPX); - break; - default: - changeLatchU5(LO_WPX | LO_FOFF | LO_CEX, LO_ULED | LO_ALE | LO_CLE); - break; - } - - /* Setup NAND specific settings */ - rb500_nand_data.chip.nr_chips = 1; - rb500_nand_data.chip.nr_partitions = ARRAY_SIZE(rb500_partition_info); - rb500_nand_data.chip.partitions = rb500_partition_info; - rb500_nand_data.chip.chip_delay = NAND_CHIP_DELAY; - rb500_nand_data.chip.options = NAND_NO_AUTOINCR; - - rb500_nand_data.chip.chip_fixup = &rb500_nand_fixup; -} - - -static int __init plat_setup_devices(void) -{ - /* Look for the CF card reader */ - if (!readl(CFG_DC_DEV1 + CFG_DC_DEVMASK)) - rb500_devs[1] = NULL; - else { - cf_slot0_res[0].start = - readl(CFG_DC_DEV1 + CFG_DC_DEVBASE); - cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000; - } - - /* Read the NAND resources from the device controller */ - nand_slot0_res[0].start = readl(CFG_DC_DEV2 + CFG_DC_DEVBASE); - nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000; - - /* Initialise the NAND device */ - rb500_nand_setup(); - - return platform_add_devices(rb500_devs, ARRAY_SIZE(rb500_devs)); -} - -static int __init setup_kmac(char *s) -{ - printk("korina mac = %s\n", s); - parse_mac_addr(s); - return 0; -} - -__setup("kmac=", setup_kmac); - -arch_initcall(plat_setup_devices); diff --git a/target/linux/rb532/files/arch/mips/rb500/gpio.c b/target/linux/rb532/files/arch/mips/rb500/gpio.c deleted file mode 100644 index 6c92a8fe5..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/gpio.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Miscellaneous functions for IDT EB434 board - * - * Copyright 2004 IDT Inc. (rischelp@idt.com) - * Copyright 2006 Phil Sutter <n0-1@freewrt.org> - * Copyright 2007 Florian Fainelli <florian@openwrt.org> - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/spinlock.h> -#include <linux/io.h> -#include <linux/platform_device.h> - -#include <asm/addrspace.h> -#include <asm/gpio.h> - -#include <asm/rc32434/rb.h> - -#define GPIO_BADDR 0x18050000 - -static volatile unsigned char *devCtl3Base; -static unsigned char latchU5State; -static spinlock_t clu5Lock = SPIN_LOCK_UNLOCKED; - -struct rb500_gpio_reg __iomem *rb500_gpio_reg0; -EXPORT_SYMBOL(rb500_gpio_reg0); - -static struct resource rb500_gpio_reg0_res[] = { - { - .name = "gpio_reg0", - .start = GPIO_BADDR, - .end = GPIO_BADDR + sizeof(struct rb500_gpio_reg), - .flags = IORESOURCE_MEM, - } -}; - -void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val) -{ - unsigned flags, data; - unsigned i = 0; - - spin_lock_irqsave(&clu5Lock, flags); - data = *(volatile unsigned *) (IDT434_REG_BASE + regOffs); - for (i = 0; i != len; ++i) { - if (val & (1 << i)) - data |= (1 << (i + bit)); - else - data &= ~(1 << (i + bit)); - } - *(volatile unsigned *) (IDT434_REG_BASE + regOffs) = data; - spin_unlock_irqrestore(&clu5Lock, flags); -} -EXPORT_SYMBOL(set434Reg); - -void changeLatchU5(unsigned char orMask, unsigned char nandMask) -{ - unsigned flags; - - spin_lock_irqsave(&clu5Lock, flags); - latchU5State = (latchU5State | orMask) & ~nandMask; - if (!devCtl3Base) - devCtl3Base = (volatile unsigned char *) - KSEG1ADDR(*(volatile unsigned *) - KSEG1ADDR(0x18010030)); - *devCtl3Base = latchU5State; - spin_unlock_irqrestore(&clu5Lock, flags); -} -EXPORT_SYMBOL(changeLatchU5); - -unsigned char getLatchU5State(void) -{ - return latchU5State; -} -EXPORT_SYMBOL(getLatchU5State); - -int rb500_gpio_get_value(unsigned gpio) -{ - return readl(&rb500_gpio_reg0->gpiod) & (1 << gpio); -} -EXPORT_SYMBOL(rb500_gpio_get_value); - -void rb500_gpio_set_value(unsigned gpio, int value) -{ - unsigned tmp; - - tmp = readl(&rb500_gpio_reg0->gpiod) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; - - writel(tmp, (void *)&rb500_gpio_reg0->gpiod); -} -EXPORT_SYMBOL(rb500_gpio_set_value); - -int rb500_gpio_direction_input(unsigned gpio) -{ - writel(readl(&rb500_gpio_reg0->gpiocfg) & ~(1 << gpio), (void *)&rb500_gpio_reg0->gpiocfg); - - return 0; -} -EXPORT_SYMBOL(rb500_gpio_direction_input); - -int rb500_gpio_direction_output(unsigned gpio, int value) -{ - gpio_set_value(gpio, value); - writel(readl(&rb500_gpio_reg0->gpiocfg) | (1 << gpio), (void *)&rb500_gpio_reg0->gpiocfg); - - return 0; -} -EXPORT_SYMBOL(rb500_gpio_direction_output); - -void rb500_gpio_set_int_level(unsigned gpio, int value) -{ - unsigned tmp; - - tmp = readl(&rb500_gpio_reg0->gpioilevel) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; - writel(tmp, (void *)&rb500_gpio_reg0->gpioilevel); -} -EXPORT_SYMBOL(rb500_gpio_set_int_level); - -int rb500_gpio_get_int_level(unsigned gpio) -{ - return readl(&rb500_gpio_reg0->gpioilevel) & (1 << gpio); -} -EXPORT_SYMBOL(rb500_gpio_get_int_level); - -void rb500_gpio_set_int_status(unsigned gpio, int value) -{ - unsigned tmp; - - tmp = readl(&rb500_gpio_reg0->gpioistat); - if (value) - tmp |= 1 << gpio; - writel(tmp, (void *)&rb500_gpio_reg0->gpioistat); -} -EXPORT_SYMBOL(rb500_gpio_set_int_status); - -int rb500_gpio_get_int_status(unsigned gpio) -{ - return readl(&rb500_gpio_reg0->gpioistat) & (1 << gpio); -} -EXPORT_SYMBOL(rb500_gpio_get_int_status); - -void rb500_gpio_set_func(unsigned gpio, int value) -{ - unsigned tmp; - - tmp = readl(&rb500_gpio_reg0->gpiofunc); - if (value) - tmp |= 1 << gpio; - writel(tmp, (void *)&rb500_gpio_reg0->gpiofunc); -} -EXPORT_SYMBOL(rb500_gpio_set_func); - -int rb500_gpio_get_func(unsigned gpio) -{ - return readl(&rb500_gpio_reg0->gpiofunc) & (1 << gpio); -} -EXPORT_SYMBOL(rb500_gpio_get_func); - -int __init rb500_gpio_init(void) -{ - rb500_gpio_reg0 = ioremap_nocache(rb500_gpio_reg0_res[0].start, - rb500_gpio_reg0_res[0].end - - rb500_gpio_reg0_res[0].start); - - if (!rb500_gpio_reg0) { - printk(KERN_ERR "rb500: cannot remap GPIO register 0\n"); - return -ENXIO; - } - - return 0; -} -arch_initcall(rb500_gpio_init); diff --git a/target/linux/rb532/files/arch/mips/rb500/irq.c b/target/linux/rb532/files/arch/mips/rb500/irq.c deleted file mode 100644 index 5a4d349d4..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/irq.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * RC32434 interrupt routines. - * - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * stevel@mvista.com or source@mvista.com - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/timex.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/delay.h> - -#include <asm/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/time.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/rc32434/rc32434.h> -#include <asm/rc32434/gpio.h> - -extern void set_debug_traps(void); -extern irq_cpustat_t irq_stat [NR_CPUS]; -unsigned int local_bh_count[NR_CPUS]; -unsigned int local_irq_count[NR_CPUS]; - -static unsigned int startup_irq(unsigned int irq); -static void rb500_end_irq(unsigned int irq_nr); -static void mask_and_ack_irq(unsigned int irq_nr); -static void rb500_enable_irq(unsigned int irq_nr); -static void rb500_disable_irq(unsigned int irq_nr); - -extern void __init init_generic_irq(void); -extern struct rb500_gpio_reg __iomem *rb500_gpio_reg0; - -typedef struct { - u32 mask; /* mask of valid bits in pending/mask registers */ - volatile u32 *base_addr; -} intr_group_t; - -#define RC32434_NR_IRQS (GROUP4_IRQ_BASE + 32) - -#if (NR_IRQS < RC32434_NR_IRQS) -#error Too little irqs defined. Did you override <asm/irq.h> ? -#endif - -static const intr_group_t intr_group[NUM_INTR_GROUPS] = { - { 0x0000efff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 0 * IC_GROUP_OFFSET) }, - { 0x00001fff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 1 * IC_GROUP_OFFSET) }, - { 0x00000007, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 2 * IC_GROUP_OFFSET) }, - { 0x0003ffff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 3 * IC_GROUP_OFFSET) }, - { 0xffffffff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 4 * IC_GROUP_OFFSET) } -}; - -#define READ_PEND(base) (*(base)) -#define READ_MASK(base) (*(base + 2)) -#define WRITE_MASK(base, val) (*(base + 2) = (val)) - -static inline int irq_to_group(unsigned int irq_nr) -{ - return ((irq_nr - GROUP0_IRQ_BASE) >> 5); -} - -static inline int group_to_ip(unsigned int group) -{ - return group + 2; -} - -static inline void enable_local_irq(unsigned int ip) -{ - int ipnum = 0x100 << ip; - clear_c0_cause(ipnum); - set_c0_status(ipnum); -} - -static inline void disable_local_irq(unsigned int ip) -{ - int ipnum = 0x100 << ip; - clear_c0_status(ipnum); -} - -static inline void ack_local_irq(unsigned int ip) -{ - int ipnum = 0x100 << ip; - clear_c0_cause(ipnum); -} - -static void rb500_enable_irq(unsigned int irq_nr) -{ - int ip = irq_nr - GROUP0_IRQ_BASE; - unsigned int group, intr_bit; - volatile unsigned int *addr; - - - if (ip < 0) - enable_local_irq(irq_nr); - else { - group = ip >> 5; - - ip &= (1<<5)-1; - intr_bit = 1 << ip; - - enable_local_irq(group_to_ip(group)); - - addr = intr_group[group].base_addr; - WRITE_MASK(addr, READ_MASK(addr) & ~intr_bit); - } -} - -static void rb500_disable_irq(unsigned int irq_nr) -{ - int ip = irq_nr - GROUP0_IRQ_BASE; - unsigned int group, intr_bit, mask; - volatile unsigned int *addr; - - if (ip < 0) { - disable_local_irq(irq_nr); - }else{ - group = ip >> 5; - - ip &= (1<<5) -1; - intr_bit = 1 << ip; - addr = intr_group[group].base_addr; - mask = READ_MASK(addr); - mask |= intr_bit; - WRITE_MASK(addr,mask); - - /* - * if there are no more interrupts enabled in this - * group, disable corresponding IP - */ - if (mask == intr_group[group].mask) - disable_local_irq(group_to_ip(group)); - } -} - -static unsigned int startup_irq(unsigned int irq_nr) -{ - rb500_enable_irq(irq_nr); - return 0; -} - -static void shutdown_irq(unsigned int irq_nr) -{ - rb500_disable_irq(irq_nr); - return; -} - -static void mask_and_ack_irq(unsigned int irq_nr) -{ - rb500_disable_irq(irq_nr); - ack_local_irq(group_to_ip(irq_to_group(irq_nr))); -} - -static void rb500_end_irq(unsigned int irq_nr) -{ - - int ip = irq_nr - GROUP0_IRQ_BASE; - unsigned int intr_bit, group; - volatile unsigned int *addr; - - if ((irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - printk("warning: end_irq %d did not enable (%x)\n", - irq_nr, irq_desc[irq_nr].status); - return; - } - - if (ip < 0) { - enable_local_irq(irq_nr); - } else { - group = ip >> 5; - - ip &= (1 << 5) - 1; - intr_bit = 1 << ip; - - if (irq_nr >= GROUP4_IRQ_BASE && irq_nr <= (GROUP4_IRQ_BASE + 13)) { - rb500_gpio_reg0->gpioistat = rb500_gpio_reg0->gpioistat & ~intr_bit; - } - - enable_local_irq(group_to_ip(group)); - - addr = intr_group[group].base_addr; - WRITE_MASK(addr, READ_MASK(addr) & ~intr_bit); - } -} - -static struct hw_interrupt_type rc32434_irq_type = { - .typename = "RB500", - .startup = startup_irq, - .shutdown = shutdown_irq, - .enable = rb500_enable_irq, - .disable = rb500_disable_irq, - .ack = mask_and_ack_irq, - .end = rb500_end_irq, -}; - - -void __init arch_init_irq(void) -{ - int i; - - printk("Initializing IRQ's: %d out of %d\n", RC32434_NR_IRQS, NR_IRQS); - memset(irq_desc, 0, sizeof(irq_desc)); - - for (i = 0; i < RC32434_NR_IRQS; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = NULL; - irq_desc[i].depth = 1; - irq_desc[i].chip = &rc32434_irq_type; - spin_lock_init(&irq_desc[i].lock); - } -} - -/* Main Interrupt dispatcher */ -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int ip, pend, group; - volatile unsigned int *addr; - unsigned int cp0_cause = read_c0_cause() & read_c0_status(); - - if (cp0_cause & CAUSEF_IP7) { - ll_timer_interrupt(7); - } else if ((ip = (cp0_cause & 0x7c00))) { - group = 21 - rc32434_clz(ip); - - addr = intr_group[group].base_addr; - - pend = READ_PEND(addr); - pend &= ~READ_MASK(addr); // only unmasked interrupts - pend = 39 - rc32434_clz(pend); - do_IRQ((group << 5) + pend); - } -} diff --git a/target/linux/rb532/files/arch/mips/rb500/prom.c b/target/linux/rb532/files/arch/mips/rb500/prom.c deleted file mode 100644 index b10172fb5..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/prom.c +++ /dev/null @@ -1,178 +0,0 @@ -/* -* prom.c -********************************************************************** -* P . Sadik Oct 10, 2003 -* -* Started change log -* idt_cpu_freq is make a kernel configuration parameter -* idt_cpu_freq is exported so that other modules can use it. -* Code cleanup -********************************************************************** -* P. Sadik Oct 20, 2003 -* -* Removed NVRAM code from here, since they are already available under -* nvram directory. -* Added serial port initialisation. -********************************************************************** -********************************************************************** -* P. Sadik Oct 30, 2003 -* -* Added reset_cons_port -********************************************************************** - - P.Christeas, 2005-2006 - Port to 2.6, add 2.6 cmdline parsing - -*/ - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/console.h> -#include <asm/bootinfo.h> -#include <linux/bootmem.h> -#include <linux/ioport.h> -#include <linux/blkdev.h> -#include <asm/rc32434/ddr.h> - -#define PROM_ENTRY(x) (0xbfc00000+((x)*8)) -extern void __init setup_serial_port(void); - -unsigned int idt_cpu_freq = 132000000; -EXPORT_SYMBOL(idt_cpu_freq); -unsigned int gpio_bootup_state = 0; -EXPORT_SYMBOL(gpio_bootup_state); - -char mips_mac_address[18] = "08:00:06:05:40:01"; -EXPORT_SYMBOL(mips_mac_address); - -/* what to append to cmdline when button is [not] pressed */ -#define GPIO_INIT_NOBUTTON "" -#define GPIO_INIT_BUTTON " 2" - -#ifdef CONFIG_MIKROTIK_RB500 -unsigned soft_reboot = 0; -EXPORT_SYMBOL(soft_reboot); -#endif - -#define SR_NMI 0x00180000 /* NMI */ -#define SERIAL_SPEED_ENTRY 0x00000001 - -#ifdef CONFIG_REMOTE_DEBUG -extern int remote_debug; -#endif - -#define FREQ_TAG "HZ=" -#define GPIO_TAG "gpio=" -#define KMAC_TAG "kmac=" -#define MEM_TAG "mem=" -#define BOARD_TAG "board=" -#define IGNORE_CMDLINE_MEM 1 -#define DEBUG_DDR - -#define BOARD_RB532 "500" -#define BOARD_RB532A "500r5" - -void parse_soft_settings(unsigned *ptr, unsigned size); -void parse_hard_settings(unsigned *ptr, unsigned size); - -void __init prom_setup_cmdline(void); - -void __init prom_init(void) -{ - DDR_t ddr = (DDR_t) DDR_VirtualAddress; /* define the pointer to the DDR registers */ - phys_t memsize = 0-ddr->ddrmask; - - /* this should be the very first message, even before serial is properly initialized */ - prom_setup_cmdline(); - setup_serial_port(); - - mips_machgroup = MACH_GROUP_MIKROTIK; - soft_reboot = read_c0_status() & SR_NMI; - pm_power_off = NULL; - - /* - * give all RAM to boot allocator, - * except for the first 0x400 and the last 0x200 bytes - */ - add_memory_region(ddr->ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM); -} - -void __init prom_free_prom_memory(void) -{ - /* No prom memory to free */ -} - -static inline int match_tag(char *arg, const char *tag) -{ - return (strncmp(arg, tag, strlen(tag)) == 0); -} - -static inline unsigned long tag2ul(char *arg, const char *tag) -{ - char *num = arg+strlen(tag); - return simple_strtoul(num, 0, 10); -} - -extern char _image_cmdline; -void __init prom_setup_cmdline(void){ - char cmd_line[CL_SIZE]; - char *cp; - int prom_argc; - char **prom_argv, **prom_envp; - int i; - - prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; - - cp=cmd_line; - /* Note: it is common that parameters start at argv[1] and not argv[0], - however, our elf loader starts at [0] */ - for(i=0;i<prom_argc;i++){ - if (match_tag(prom_argv[i], FREQ_TAG)) { - idt_cpu_freq = tag2ul(prom_argv[i], FREQ_TAG); - continue; - } -#ifdef IGNORE_CMDLINE_MEM - /* parses out the "mem=xx" arg */ - if (match_tag(prom_argv[i], MEM_TAG)) { - continue; - } -#endif - if (i>0) *(cp++) = ' '; - if (match_tag(prom_argv[i], BOARD_TAG)) { - char *board = prom_argv[i] + strlen(BOARD_TAG); - if (match_tag(board, BOARD_RB532A)) - mips_machtype = MACH_MIKROTIK_RB532A; - else - mips_machtype = MACH_MIKROTIK_RB532; - } - - if (match_tag(prom_argv[i], GPIO_TAG)) { - gpio_bootup_state = tag2ul(prom_argv[i], GPIO_TAG); - } - strcpy(cp,prom_argv[i]); - cp+=strlen(prom_argv[i]); - } - *(cp++) = ' '; - strcpy(cp,(&_image_cmdline + 8)); - cp += strlen(&_image_cmdline); - - i=strlen(arcs_cmdline); - if (i>0){ - *(cp++) = ' '; - strcpy(cp,arcs_cmdline); - cp+=strlen(arcs_cmdline); - } - if (gpio_bootup_state&0x02) - strcpy(cp,GPIO_INIT_NOBUTTON); - else - strcpy(cp,GPIO_INIT_BUTTON); - cmd_line[CL_SIZE-1] = '\0'; - - strcpy(arcs_cmdline,cmd_line); -} - diff --git a/target/linux/rb532/files/arch/mips/rb500/serial.c b/target/linux/rb532/files/arch/mips/rb500/serial.c deleted file mode 100644 index 25a03e010..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/serial.c +++ /dev/null @@ -1,78 +0,0 @@ -/************************************************************************** - * - * BRIEF MODULE DESCRIPTION - * Serial port initialisation. - * - * Copyright 2004 IDT Inc. (rischelp@idt.com) - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - ************************************************************************** - * May 2004 rkt, neb - * - * Initial Release - * - * - * - ************************************************************************** - */ - - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/tty.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> - -#include <asm/time.h> -#include <asm/cpu.h> -#include <asm/bootinfo.h> -#include <asm/irq.h> -#include <asm/serial.h> -#include <asm/rc32434/rc32434.h> - -extern unsigned int idt_cpu_freq; - -static struct uart_port serial_req = { - .type = PORT_16550A, - .line = 0, - .irq = RC32434_UART0_IRQ, - //.flags = STD_COM_FLAGS, - .iotype = UPIO_MEM, - .membase = (char *) KSEG1ADDR(RC32434_UART0_BASE), -// .fifosize = 14 - .regshift = 2 -}; - -int __init setup_serial_port(void) -{ - serial_req.uartclk = idt_cpu_freq; - - if (early_serial_setup(&serial_req)) - return -ENODEV; - - return(0); -} diff --git a/target/linux/rb532/files/arch/mips/rb500/setup.c b/target/linux/rb532/files/arch/mips/rb500/setup.c deleted file mode 100644 index 2fda0e2ab..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/setup.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * setup.c - boot time setup code - */ - -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/irq.h> -#include <linux/ioport.h> -#include <linux/pm.h> -#include <asm/bootinfo.h> -#include <asm/mipsregs.h> -#include <asm/pgtable.h> -#include <asm/reboot.h> -#include <asm/addrspace.h> /* for KSEG1ADDR() */ -#include <asm/time.h> -#include <asm/io.h> -#include <asm/rc32434/rc32434.h> -#include <asm/rc32434/pci.h> - -#ifdef CONFIG_PCI -extern void rc32434_time_init(void); -extern int __init rc32434_pcibridge_init(void); -#endif - -#define epldMask ((volatile unsigned char *)0xB900000d) - -static void rb_machine_restart(char *command) -{ - /* just jump to the reset vector */ - * (volatile unsigned *) KSEG1ADDR(0x18008000) = 0x80000001; - ((void (*)(void))KSEG1ADDR(0x1FC00000u))(); -} - -static void rb_machine_halt(void) -{ - for(;;) continue; -} - -#ifdef CONFIG_CPU_HAS_WB -void (*__wbflush) (void); - -static void rb_write_buffer_flush(void) -{ - __asm__ __volatile__ - ("sync\n\t" "nop\n\t" "loop: bc0f loop\n\t" "nop\n\t"); -} -#endif - -void __init plat_mem_setup(void) -{ - unsigned int pciCntlVal; - - board_time_init = rc32434_time_init; - -#ifdef CONFIG_CPU_HAS_WB - __wbflush = rb_write_buffer_flush; -#endif - _machine_restart = rb_machine_restart; - _machine_halt = rb_machine_halt; - /*_machine_power_off = rb_machine_power_halt;*/ - pm_power_off = rb_machine_halt; - - set_io_port_base(KSEG1); - - pciCntlVal=rc32434_pci->pcic; - pciCntlVal &= 0xFFFFFF7; - rc32434_pci->pcic = pciCntlVal; - -#ifdef CONFIG_PCI - /* Enable PCI interrupts in EPLD Mask register */ - *epldMask = 0x0; - *(epldMask + 1) = 0x0; -#endif - write_c0_wired(0); -} - -const char *get_system_type(void) -{ - return "MIPS RB500"; -} diff --git a/target/linux/rb532/files/arch/mips/rb500/time.c b/target/linux/rb532/files/arch/mips/rb500/time.c deleted file mode 100644 index 13320a6ca..000000000 --- a/target/linux/rb532/files/arch/mips/rb500/time.c +++ /dev/null @@ -1,94 +0,0 @@ -/* -**************************************************************************** -* Carsten Langgaard, carstenl@mips.com -* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. -* -*************************************************************************** -* -* This program is free software; you can distribute it and/or modify it -* under the terms of the GNU General Public License (Version 2) as -* published by the Free Software Foundation. -* -* This program is distributed in the hope 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. -* -**************************************************************************** -* -* Setting up the clock on the MIPS boards. -* -**************************************************************************** -* P. Sadik Oct 10, 2003 -* -* Started change log. -* mips_counter_frequency is now calculated at run time, based on idt_cpu_freq. -* Code cleanup -**************************************************************************** -*/ - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/mc146818rtc.h> -#include <linux/irq.h> -#include <linux/timex.h> - -#include <asm/irq_cpu.h> -#include <asm/mipsregs.h> -#include <asm/ptrace.h> -#include <asm/debug.h> -#include <asm/rc32434/rc32434.h> - -static unsigned long r4k_offset; /* Amount to incr compare reg each time */ -static unsigned long r4k_cur; /* What counter should be at next timer irq */ -extern unsigned int mips_hpt_frequency; -extern unsigned int idt_cpu_freq; - -/* - * Figure out the r4k offset, the amount to increment the compare - * register for each time tick. There is no RTC available. - * - * The RC32434 counts at half the CPU *core* speed. - */ -static unsigned long __init cal_r4koff(void) -{ - mips_hpt_frequency = idt_cpu_freq * IDT_CLOCK_MULT / 2; - return (mips_hpt_frequency / HZ); -} - - -void __init rc32434_time_init(void) -{ - unsigned int est_freq, flags; - - local_irq_save(flags); - - printk("calculating r4koff... "); - r4k_offset = cal_r4koff(); - printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset); - - est_freq = 2*r4k_offset*HZ; - est_freq += 5000; /* round */ - est_freq -= est_freq%10000; - printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, - (est_freq%1000000)*100/1000000); - local_irq_restore(flags); -} - -void __init plat_timer_setup(struct irqaction *irq) -{ - /* we are using the cpu counter for timer interrupts */ - setup_irq(MIPS_CPU_TIMER_IRQ, irq); - - /* to generate the first timer interrupt */ - r4k_cur = (read_c0_count() + r4k_offset); - write_c0_compare(r4k_cur); -} - |