diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/lib/bootm.c | 163 |
1 files changed, 78 insertions, 85 deletions
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index 9c647aa..a7eddd3 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -21,18 +21,6 @@ DECLARE_GLOBAL_DATA_PTR; #define mips_boot_malta 0 #endif -#if defined(CONFIG_MIPS_BOOT_CMDLINE_LEGACY) -#define mips_boot_cmdline_legacy 1 -#else -#define mips_boot_cmdline_legacy 0 -#endif - -#if defined(CONFIG_MIPS_BOOT_ENV_LEGACY) -#define mips_boot_env_legacy 1 -#else -#define mips_boot_env_legacy 0 -#endif - static int linux_argc; static char **linux_argv; static char *linux_argp; @@ -62,50 +50,6 @@ void arch_lmb_reserve(struct lmb *lmb) lmb_reserve(lmb, sp, CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp); } -static int boot_setup_linux(bootm_headers_t *images) -{ - int ret; - ulong rd_len; - - rd_len = images->rd_end - images->rd_start; - ret = boot_ramdisk_high(&images->lmb, images->rd_start, - rd_len, &images->initrd_start, &images->initrd_end); - if (ret) - return ret; - -#if defined(CONFIG_MIPS_BOOT_FDT) && defined(CONFIG_OF_LIBFDT) - if (images->ft_len) { - boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); - - ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, - &images->ft_len); - if (ret) - return ret; - } -#endif - - return 0; -} - -static void boot_setup_fdt(bootm_headers_t *images) -{ -#if defined(CONFIG_MIPS_BOOT_FDT) && defined(CONFIG_OF_LIBFDT) - u64 mem_start = 0; - u64 mem_size = gd->ram_size; - - debug("## setup FDT\n"); - - fdt_chosen(images->ft_addr); - fdt_fixup_memory_banks(images->ft_addr, &mem_start, &mem_size, 1); - fdt_fixup_ethernet(images->ft_addr); - fdt_initrd(images->ft_addr, images->initrd_start, images->initrd_end); - -#if defined(CONFIG_OF_BOARD_SETUP) - ft_board_setup(images->ft_addr, gd->bd); -#endif -#endif -} - static void linux_cmdline_init(void) { linux_argc = 1; @@ -197,18 +141,6 @@ static void linux_cmdline_append(bootm_headers_t *images) } } -static void boot_cmdline_linux(bootm_headers_t *images) -{ - if (mips_boot_cmdline_legacy && !images->ft_len) { - linux_cmdline_legacy(images); - - if (!mips_boot_env_legacy) - linux_cmdline_append(images); - - linux_cmdline_dump(); - } -} - static void linux_env_init(void) { linux_env = (char **)(((ulong) linux_argp + 15) & ~15); @@ -288,13 +220,81 @@ static void linux_env_legacy(bootm_headers_t *images) } } +static int boot_reloc_ramdisk(bootm_headers_t *images) +{ + ulong rd_len = images->rd_end - images->rd_start; + + /* + * In case of legacy uImage's, relocation of ramdisk is already done + * by do_bootm_states() and should not repeated in 'bootm prep'. + */ + if (images->state & BOOTM_STATE_RAMDISK) { + debug("## Ramdisk already relocated\n"); + return 0; + } + + return boot_ramdisk_high(&images->lmb, images->rd_start, + rd_len, &images->initrd_start, &images->initrd_end); +} + +static int boot_reloc_fdt(bootm_headers_t *images) +{ + /* + * In case of legacy uImage's, relocation of FDT is already done + * by do_bootm_states() and should not repeated in 'bootm prep'. + */ + if (images->state & BOOTM_STATE_FDT) { + debug("## FDT already relocated\n"); + return 0; + } + +#if CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && CONFIG_IS_ENABLED(OF_LIBFDT) + boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); + return boot_relocate_fdt(&images->lmb, &images->ft_addr, + &images->ft_len); +#else + return 0; +#endif +} + +int arch_fixup_memory_node(void *blob) +{ +#if CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && CONFIG_IS_ENABLED(OF_LIBFDT) + u64 mem_start = 0; + u64 mem_size = gd->ram_size; + + return fdt_fixup_memory_banks(blob, &mem_start, &mem_size, 1); +#else + return 0; +#endif +} + +static int boot_setup_fdt(bootm_headers_t *images) +{ + return image_setup_libfdt(images, images->ft_addr, images->ft_len, + &images->lmb); +} + static void boot_prep_linux(bootm_headers_t *images) { - if (mips_boot_env_legacy && !images->ft_len) - linux_env_legacy(images); + boot_reloc_ramdisk(images); - if (images->ft_len) + if (CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && images->ft_len) { + boot_reloc_fdt(images); boot_setup_fdt(images); + } else { + if (CONFIG_IS_ENABLED(CONFIG_MIPS_BOOT_ENV_LEGACY)) + linux_env_legacy(images); + + if (CONFIG_IS_ENABLED(MIPS_BOOT_CMDLINE_LEGACY)) { + linux_cmdline_legacy(images); + + if (!CONFIG_IS_ENABLED(CONFIG_MIPS_BOOT_ENV_LEGACY)) + linux_cmdline_append(images); + + linux_cmdline_dump(); + } + } } static void boot_jump_linux(bootm_headers_t *images) @@ -327,35 +327,28 @@ static void boot_jump_linux(bootm_headers_t *images) int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images) { - int ret; - /* No need for those on MIPS */ if (flag & BOOTM_STATE_OS_BD_T) return -1; - if (flag & BOOTM_STATE_OS_CMDLINE) { - boot_cmdline_linux(images); + /* + * Cmdline init has been moved to 'bootm prep' because it has to be + * done after relocation of ramdisk to always pass correct values + * for rd_start and rd_size to Linux kernel. + */ + if (flag & BOOTM_STATE_OS_CMDLINE) return 0; - } if (flag & BOOTM_STATE_OS_PREP) { boot_prep_linux(images); return 0; } - if (flag & BOOTM_STATE_OS_GO) { + if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) { boot_jump_linux(images); return 0; } - ret = boot_setup_linux(images); - if (ret) - return ret; - - boot_cmdline_linux(images); - boot_prep_linux(images); - boot_jump_linux(images); - /* does not return */ return 1; } |