diff options
Diffstat (limited to 'arch/arm/include/asm/arch-sunxi/spl.h')
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/spl.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h index ca9a4f9..5d7ab55 100644 --- a/arch/arm/include/asm/arch-sunxi/spl.h +++ b/arch/arm/include/asm/arch-sunxi/spl.h @@ -18,6 +18,12 @@ #define SPL_ADDR 0x0 #endif +/* The low 8-bits of the 'boot_media' field in the SPL header */ +#define SUNXI_BOOTED_FROM_MMC0 0 +#define SUNXI_BOOTED_FROM_NAND 1 +#define SUNXI_BOOTED_FROM_MMC2 2 +#define SUNXI_BOOTED_FROM_SPI 3 + /* boot head definition from sun4i boot code */ struct boot_file_head { uint32_t b_instruction; /* one intruction jumping to real code */ @@ -45,7 +51,16 @@ struct boot_file_head { uint8_t spl_signature[4]; }; uint32_t fel_script_address; - uint32_t reserved; /* padding, align to 32 bytes */ + /* + * If the fel_uEnv_length member below is set to a non-zero value, + * it specifies the size (byte count) of data at fel_script_address. + * At the same time this indicates that the data is in uEnv.txt + * compatible format, ready to be imported via "env import -t". + */ + uint32_t fel_uEnv_length; + uint32_t reserved1[2]; + uint32_t boot_media; /* written here by the boot ROM */ + uint32_t reserved2[5]; /* padding, align to 64 bytes */ }; #define is_boot0_magic(addr) (memcmp((void *)addr, BOOT0_MAGIC, 8) == 0) |