diff options
Diffstat (limited to 'arch/arm/mach-uniphier/board_late_init.c')
-rw-r--r-- | arch/arm/mach-uniphier/board_late_init.c | 62 |
1 files changed, 55 insertions, 7 deletions
diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c index 972dbe8ae55..3180b24330b 100644 --- a/arch/arm/mach-uniphier/board_late_init.c +++ b/arch/arm/mach-uniphier/board_late_init.c @@ -31,24 +31,25 @@ static void nand_denali_wp_disable(void) #endif } -static int uniphier_set_fdt_file(void) +static void uniphier_set_env_fdt_file(void) { DECLARE_GLOBAL_DATA_PTR; const char *compat; char dtb_name[256]; int buf_len = sizeof(dtb_name); + int ret; if (env_get("fdtfile")) - return 0; /* do nothing if it is already set */ + return; /* do nothing if it is already set */ compat = fdt_stringlist_get(gd->fdt_blob, 0, "compatible", 0, NULL); if (!compat) - return -EINVAL; + goto fail; /* rip off the vendor prefix "socionext," */ compat = strchr(compat, ','); if (!compat) - return -EINVAL; + goto fail; compat++; strncpy(dtb_name, compat, buf_len); @@ -56,7 +57,43 @@ static int uniphier_set_fdt_file(void) strncat(dtb_name, ".dtb", buf_len); - return env_set("fdtfile", dtb_name); + ret = env_set("fdtfile", dtb_name); + if (ret) + goto fail; + + return; +fail: + pr_warn("\"fdt_file\" environment variable was not set correctly\n"); +} + +static void uniphier_set_env_addr(const char *env, const char *offset_env) +{ + unsigned long offset = 0; + const char *str; + char *end; + int ret; + + if (env_get(env)) + return; /* do nothing if it is already set */ + + if (offset_env) { + str = env_get(offset_env); + if (!str) + goto fail; + + offset = simple_strtoul(str, &end, 16); + if (*end) + goto fail; + } + + ret = env_set_hex(env, gd->ram_base + offset); + if (ret) + goto fail; + + return; + +fail: + pr_warn("\"%s\" environment variable was not set correctly\n", env); } int board_late_init(void) @@ -68,6 +105,10 @@ int board_late_init(void) printf("eMMC Boot"); env_set("bootdev", "emmc"); break; + case BOOT_DEVICE_MMC2: + printf("SD Boot"); + env_set("bootdev", "sd"); + break; case BOOT_DEVICE_NAND: printf("NAND Boot"); env_set("bootdev", "nand"); @@ -92,8 +133,15 @@ int board_late_init(void) printf("\n"); - if (uniphier_set_fdt_file()) - pr_warn("fdt_file environment was not set correctly\n"); + uniphier_set_env_fdt_file(); + + uniphier_set_env_addr("dram_base", NULL); + + uniphier_set_env_addr("loadaddr", "loadaddr_offset"); + + uniphier_set_env_addr("kernel_addr_r", "kernel_addr_r_offset"); + uniphier_set_env_addr("ramdisk_addr_r", "ramdisk_addr_r_offset"); + uniphier_set_env_addr("fdt_addr_r", "fdt_addr_r_offset"); return 0; } |