diff options
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0020-MIPS-lantiq-add-NAND-SPL-support.patch')
| -rw-r--r-- | package/boot/uboot-lantiq/patches/0020-MIPS-lantiq-add-NAND-SPL-support.patch | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0020-MIPS-lantiq-add-NAND-SPL-support.patch b/package/boot/uboot-lantiq/patches/0020-MIPS-lantiq-add-NAND-SPL-support.patch new file mode 100644 index 0000000..8d9eca7 --- /dev/null +++ b/package/boot/uboot-lantiq/patches/0020-MIPS-lantiq-add-NAND-SPL-support.patch @@ -0,0 +1,165 @@ +From e17398316e82d8b28217232b4fd6030c65138e74 Mon Sep 17 00:00:00 2001 +From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> +Date: Mon, 12 Aug 2013 01:18:00 +0200 +Subject: MIPS: lantiq: add NAND SPL support + +Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> + +--- a/arch/mips/cpu/mips32/lantiq-common/spl.c ++++ b/arch/mips/cpu/mips32/lantiq-common/spl.c +@@ -8,6 +8,7 @@ + #include <image.h> + #include <version.h> + #include <spi_flash.h> ++#include <nand.h> + #include <linux/compiler.h> + #include <lzma/LzmaDec.h> + #include <linux/lzo.h> +@@ -63,6 +64,18 @@ + #define spl_boot_nor_flash 0 + #endif + ++#if defined(CONFIG_LTQ_SUPPORT_SPL_NAND_FLASH) && defined(CONFIG_SYS_BOOT_NANDSPL) ++#define spl_boot_nand_flash 1 ++#else ++#define spl_boot_nand_flash 0 ++#ifndef CONFIG_SYS_NAND_U_BOOT_OFFS ++#define CONFIG_SYS_NAND_U_BOOT_OFFS 0 ++#endif ++#ifndef CONFIG_SYS_NAND_PAGE_SIZE ++#define CONFIG_SYS_NAND_PAGE_SIZE 0 ++#endif ++#endif ++ + #define spl_sync() __asm__ __volatile__("sync"); + + struct spl_image { +@@ -337,6 +350,58 @@ static int spl_load_nor_flash(struct spl + return ret; + } + ++static int spl_load_nand_flash(struct spl_image *spl) ++{ ++ image_header_t *hdr; ++ int ret; ++ unsigned long loadaddr; ++ ++ /* ++ * Image format: ++ * ++ * - 12 byte non-volatile bootstrap header ++ * - SPL binary ++ * - 12 byte non-volatile bootstrap header ++ * - padding bytes up to CONFIG_SYS_NAND_U_BOOT_OFFS ++ * - 64 byte U-Boot mkimage header ++ * - U-Boot binary ++ */ ++ spl->data_addr = CONFIG_SYS_NAND_U_BOOT_OFFS; ++ ++ spl_puts("SPL: initializing NAND flash\n"); ++ nand_init(); ++ ++ spl_debug("SPL: reading image header at page offset %lx\n", ++ spl->data_addr); ++ ++ hdr = (image_header_t *) CONFIG_LOADADDR; ++ ret = nand_spl_load_image(spl->data_addr, ++ CONFIG_SYS_NAND_PAGE_SIZE, hdr); ++ if (ret) ++ return ret; ++ ++ spl_debug("SPL: checking image header at address %p\n", hdr); ++ ++ ret = spl_parse_image(hdr, spl); ++ if (ret) ++ return ret; ++ ++ if (spl_is_compressed(spl)) ++ loadaddr = CONFIG_LOADADDR; ++ else ++ loadaddr = spl->entry_addr; ++ ++ spl_puts("SPL: loading U-Boot to RAM\n"); ++ ++ ret = nand_spl_load_image(spl->data_addr, spl->data_size, ++ (void *) loadaddr); ++ ++ if (spl_is_compressed(spl)) ++ ret = spl_uncompress(spl, loadaddr); ++ ++ return ret; ++} ++ + static int spl_load(struct spl_image *spl) + { + int ret; +@@ -345,6 +410,8 @@ static int spl_load(struct spl_image *sp + ret = spl_load_spi_flash(spl); + else if (spl_boot_nor_flash) + ret = spl_load_nor_flash(spl); ++ else if (spl_boot_nand_flash) ++ ret = spl_load_nand_flash(spl); + else + ret = 1; + +--- a/arch/mips/include/asm/lantiq/config.h ++++ b/arch/mips/include/asm/lantiq/config.h +@@ -40,6 +40,26 @@ + #define CONFIG_SPI_SPL_SIMPLE + #endif + ++/* ++ * NAND flash SPL ++ * BOOT CFG 06 only (address cycle based probing, 2KB or 512B page size) ++ */ ++#if defined(CONFIG_LTQ_SUPPORT_SPL_NAND_FLASH) && defined(CONFIG_SYS_BOOT_NANDSPL) ++#define CONFIG_SPL ++#define CONFIG_SPL_NAND_SUPPORT ++#define CONFIG_SPL_NAND_DRIVERS ++#define CONFIG_SPL_NAND_SIMPLE ++#define CONFIG_SPL_NAND_ECC ++ ++/* use software ECC until driver supports HW ECC */ ++#define CONFIG_SPL_NAND_SOFTECC ++#define CONFIG_SYS_NAND_ECCSIZE 256 ++#define CONFIG_SYS_NAND_ECCBYTES 3 ++#define CONFIG_SYS_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47, \ ++ 48, 49, 50, 51, 52, 53, 54, 55, \ ++ 56, 57, 58, 59, 60, 61, 62, 63} ++#endif ++ + #if defined(CONFIG_LTQ_SUPPORT_SPL_NOR_FLASH) && defined(CONFIG_SYS_BOOT_NORSPL) + #define CONFIG_SPL + #endif +@@ -148,6 +168,21 @@ + #define CONFIG_ENV_LOAD_UBOOT_SF + #endif + ++#if defined(CONFIG_LTQ_SUPPORT_NAND_FLASH) ++#define CONFIG_ENV_WRITE_UBOOT_NAND \ ++ "write-uboot-nand=" \ ++ "nand erase 0 $filesize && " \ ++ "nand write $fileaddr 0 $filesize\0" ++ ++#define CONFIG_ENV_LOAD_UBOOT_NAND \ ++ "load-uboot-nandspl=tftpboot u-boot.ltq.nandspl\0" \ ++ "load-uboot-nandspl-lzo=tftpboot u-boot.ltq.lzo.nandspl\0" \ ++ "load-uboot-nandspl-lzma=tftpboot u-boot.ltq.lzma.nandspl\0" ++#else ++#define CONFIG_ENV_WRITE_UBOOT_NAND ++#define CONFIG_ENV_LOAD_UBOOT_NAND ++#endif ++ + #define CONFIG_ENV_LANTIQ_DEFAULTS \ + CONFIG_ENV_CONSOLEDEV \ + CONFIG_ENV_ADDCONSOLE \ +@@ -159,6 +194,8 @@ + CONFIG_ENV_LOAD_UBOOT_NOR \ + CONFIG_ENV_SF_PROBE \ + CONFIG_ENV_WRITE_UBOOT_SF \ +- CONFIG_ENV_LOAD_UBOOT_SF ++ CONFIG_ENV_LOAD_UBOOT_SF \ ++ CONFIG_ENV_WRITE_UBOOT_NAND \ ++ CONFIG_ENV_LOAD_UBOOT_NAND + + #endif /* __LANTIQ_CONFIG_H__ */ |