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Diffstat (limited to 'arch/arm/mach-uniphier/board_late_init.c')
-rw-r--r--arch/arm/mach-uniphier/board_late_init.c62
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;
}