diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c | 131 |
1 files changed, 105 insertions, 26 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c index 4c7dc6dda..46b8a053d 100644 --- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c @@ -12,15 +12,18 @@ #define pr_fmt(fmt) "rb2011: " fmt #include <linux/phy.h> +#include <linux/delay.h> #include <linux/platform_device.h> #include <linux/ath9k_platform.h> #include <linux/ar8216_platform.h> #include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/rle.h> #include <linux/routerboot.h> +#include <linux/gpio.h> #include <asm/mach-ath79/ath79.h> #include <asm/mach-ath79/ar71xx_regs.h> @@ -28,16 +31,18 @@ #include "common.h" #include "dev-eth.h" #include "dev-m25p80.h" +#include "dev-nfc.h" #include "dev-wmac.h" #include "machtypes.h" #include "routerboot.h" +#define RB2011_GPIO_NAND_NCE 14 + #define RB_ROUTERBOOT_OFFSET 0x0000 -#define RB_ROUTERBOOT_SIZE 0xb000 -#define RB_HARD_CFG_OFFSET 0xb000 +#define RB_ROUTERBOOT_MIN_SIZE 0xb000 #define RB_HARD_CFG_SIZE 0x1000 #define RB_BIOS_OFFSET 0xd000 -#define RB_BIOS_SIZE 0x2000 +#define RB_BIOS_SIZE 0x1000 #define RB_SOFT_CFG_OFFSET 0xf000 #define RB_SOFT_CFG_SIZE 0x1000 @@ -47,11 +52,9 @@ static struct mtd_partition rb2011_spi_partitions[] = { { .name = "routerboot", .offset = RB_ROUTERBOOT_OFFSET, - .size = RB_ROUTERBOOT_SIZE, .mask_flags = MTD_WRITEABLE, }, { .name = "hard_config", - .offset = RB_HARD_CFG_OFFSET, .size = RB_HARD_CFG_SIZE, .mask_flags = MTD_WRITEABLE, }, { @@ -61,11 +64,48 @@ static struct mtd_partition rb2011_spi_partitions[] = { .mask_flags = MTD_WRITEABLE, }, { .name = "soft_config", - .offset = RB_SOFT_CFG_OFFSET, .size = RB_SOFT_CFG_SIZE, } }; + +static void __init rb2011_init_partitions(void) +{ + u8 *addr = (u8 *) KSEG1ADDR(0x1f000000); + u32 next = RB_ROUTERBOOT_MIN_SIZE; + + if (routerboot_find_magic(addr, 0x10000, &next, true)) + printk(KERN_ERR "Warning: could not find a valid RouterBOOT hard config\n"); + rb2011_spi_partitions[0].size = next; + rb2011_spi_partitions[1].offset = next; + + next = RB_BIOS_OFFSET + RB_BIOS_SIZE; + if (routerboot_find_magic(addr, 0x10000, &next, false)) + printk(KERN_ERR "Warning: could not find a valid RouterBOOT soft config\n"); + + rb2011_spi_partitions[3].offset = next; +} + + +static struct mtd_partition rb2011_nand_partitions[] = { + { + .name = "booter", + .offset = 0, + .size = (256 * 1024), + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "kernel", + .offset = (256 * 1024), + .size = (4 * 1024 * 1024) - (256 * 1024), + }, + { + .name = "rootfs", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + }, +}; + static struct flash_platform_data rb2011_spi_flash_data = { .parts = rb2011_spi_partitions, .nr_parts = ARRAY_SIZE(rb2011_spi_partitions), @@ -81,7 +121,7 @@ static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = { static struct ar8327_platform_data rb2011_ar8327_data = { .pad0_cfg = &rb2011_ar8327_pad0_cfg, - .cpuport_cfg = { + .port0_cfg = { .force_link = 1, .speed = AR8327_PORT_SPEED_1000, .duplex = 1, @@ -98,32 +138,16 @@ static struct mdio_board_info rb2011_mdio0_info[] = { }, }; -static void __init rb2011_gmac_setup(void) -{ - void __iomem *base; - u32 t; - - base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE); - - t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG); - t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_MII_GMAC0 | - AR934X_ETH_CFG_GMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE); - t |= AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE; - - __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG); - - iounmap(base); -} - static void __init rb2011_wlan_init(void) { - u8 *hard_cfg = (u8 *) KSEG1ADDR(0x1f000000 + RB_HARD_CFG_OFFSET); + u8 *hard_cfg = (u8 *) KSEG1ADDR(0x1f000000); u16 tag_len; u8 *tag; char *art_buf; u8 wlan_mac[ETH_ALEN]; int err; + hard_cfg += rb2011_spi_partitions[1].offset; err = routerboot_find_tag(hard_cfg, RB_HARD_CFG_SIZE, RB_ID_WLAN_DATA, &tag, &tag_len); if (err) { @@ -151,11 +175,66 @@ free: kfree(art_buf); } +static void rb2011_nand_select_chip(int chip_no) +{ + switch (chip_no) { + case 0: + gpio_set_value(RB2011_GPIO_NAND_NCE, 0); + break; + default: + gpio_set_value(RB2011_GPIO_NAND_NCE, 1); + break; + } + ndelay(500); +} + +static struct nand_ecclayout rb2011_nand_ecclayout = { + .eccbytes = 6, + .eccpos = { 8, 9, 10, 13, 14, 15 }, + .oobavail = 9, + .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } +}; + +static int rb2011_nand_scan_fixup(struct mtd_info *mtd) +{ + struct nand_chip *chip = mtd->priv; + + if (mtd->writesize == 512) { + /* + * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot + * will not be able to find the kernel that we load. + */ + chip->ecc.layout = &rb2011_nand_ecclayout; + } + + return 0; +} + +static void __init rb2011_nand_init(void) +{ + ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup); + ath79_nfc_set_parts(rb2011_nand_partitions, + ARRAY_SIZE(rb2011_nand_partitions)); + ath79_nfc_set_select_chip(rb2011_nand_select_chip); + ath79_nfc_set_swap_dma(true); + ath79_register_nfc(); +} + +static void __init rb2011_gpio_init(void) +{ + gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE"); +} + static void __init rb2011_setup(void) { + rb2011_init_partitions(); + rb2011_gpio_init(); + ath79_register_m25p80(&rb2011_spi_flash_data); + rb2011_nand_init(); - rb2011_gmac_setup(); + ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 | + AR934X_ETH_CFG_SW_ONLY_MODE); ath79_register_mdio(1, 0x0); ath79_register_mdio(0, 0x0); |