diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c | 77 |
1 files changed, 77 insertions, 0 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 4c7dc6dda9..ecdd7ea2e8 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> @@ -28,10 +31,13 @@ #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 @@ -66,6 +72,25 @@ static struct mtd_partition rb2011_spi_partitions[] = { } }; +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), @@ -151,9 +176,61 @@ 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_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_gpio_init(); + ath79_register_m25p80(&rb2011_spi_flash_data); + rb2011_nand_init(); rb2011_gmac_setup(); |