diff options
Diffstat (limited to 'target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c')
| -rw-r--r-- | target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c deleted file mode 100644 index 6372737de..000000000 --- a/target/linux/rb532/files-2.6.24/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); |