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Diffstat (limited to 'arch/arm/mach-sunxi/board.c')
-rw-r--r--arch/arm/mach-sunxi/board.c29
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 */
}