diff options
Diffstat (limited to 'arch/arm/mach-sunxi/board.c')
| -rw-r--r-- | arch/arm/mach-sunxi/board.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c index 66e028e..06a1986 100644 --- a/arch/arm/mach-sunxi/board.c +++ b/arch/arm/mach-sunxi/board.c @@ -203,7 +203,8 @@ DECLARE_GLOBAL_DATA_PTR; */ u32 spl_boot_device(void) { - __maybe_unused struct mmc *mmc0, *mmc1; + int boot_source; + /* * When booting from the SD card or NAND memory, the "eGON.BT0" * signature is expected to be found in memory at the address 0x0004 @@ -223,27 +224,19 @@ u32 spl_boot_device(void) if (!is_boot0_magic(SPL_ADDR + 4)) /* eGON.BT0 */ return BOOT_DEVICE_BOARD; - /* The BROM will try to boot from mmc0 first, so try that first. */ -#ifdef CONFIG_MMC - mmc_initialize(gd->bd); - mmc0 = find_mmc_device(0); - if (sunxi_mmc_has_egon_boot_signature(mmc0)) + boot_source = readb(SPL_ADDR + 0x28); + switch (boot_source) { + case SUNXI_BOOTED_FROM_MMC0: return BOOT_DEVICE_MMC1; -#endif - - /* Fallback to booting NAND if enabled. */ - if (IS_ENABLED(CONFIG_SPL_NAND_SUPPORT)) + case SUNXI_BOOTED_FROM_NAND: return BOOT_DEVICE_NAND; - -#ifdef CONFIG_MMC - if (CONFIG_MMC_SUNXI_SLOT_EXTRA == 2) { - mmc1 = find_mmc_device(1); - if (sunxi_mmc_has_egon_boot_signature(mmc1)) - return BOOT_DEVICE_MMC2; + case SUNXI_BOOTED_FROM_MMC2: + return BOOT_DEVICE_MMC2; + case SUNXI_BOOTED_FROM_SPI: + return BOOT_DEVICE_SPI; } -#endif - panic("Could not determine boot source\n"); + panic("Unknown boot source %d\n", boot_source); return -1; /* Never reached */ } |