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| author | Stefano Babic | 2016-06-18 10:24:54 +0200 |
|---|---|---|
| committer | Stefano Babic | 2016-06-18 10:25:13 +0200 |
| commit | dc557e9a1fe00ca9d884bd88feef5bebf23fede4 (patch) | |
| tree | ec09fdf8f7c4c44e30f4b38b7459a2cbbb71d094 /arch/arm/mach-at91/spl.c | |
| parent | d2ba7a6adcef6e6f8c4418c7b0caf9d7ab98a6d4 (diff) | |
| parent | 6b3943f1b04be60f147ee540fbd72c4c7ea89f80 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/mach-at91/spl.c')
| -rw-r--r-- | arch/arm/mach-at91/spl.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c index 27a405a42bf..c4ed224d03d 100644 --- a/arch/arm/mach-at91/spl.c +++ b/arch/arm/mach-at91/spl.c @@ -23,6 +23,40 @@ void at91_disable_wdt(void) } #endif +#if defined(CONFIG_SAMA5D2) +struct { + u32 r4; +} bootrom_stash __attribute__((section(".data"))); + +u32 spl_boot_device(void) +{ + u32 dev = (bootrom_stash.r4 >> ATMEL_SAMA5D2_BOOT_FROM_OFF) & + ATMEL_SAMA5D2_BOOT_FROM_MASK; + u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5D2_BOOT_DEV_ID_OFF) & + ATMEL_SAMA5D2_BOOT_DEV_ID_MASK; + +#if defined(CONFIG_SYS_USE_MMC) + if (dev == ATMEL_SAMA5D2_BOOT_FROM_MCI) { + if (off == 0) + return BOOT_DEVICE_MMC1; + if (off == 1) + return BOOT_DEVICE_MMC2; + printf("ERROR: MMC controller %i not present!\n", dev); + hang(); + } +#endif + +#if defined(CONFIG_SYS_USE_SERIALFLASH) || defined(CONFIG_SYS_USE_SPIFLASH) + if (dev == ATMEL_SAMA5D2_BOOT_FROM_SPI) + return BOOT_DEVICE_SPI; +#endif + + printf("ERROR: SMC/TWI/QSPI boot device not supported!\n" + " Boot device %i, controller number %i\n", dev, off); + + return BOOT_DEVICE_NONE; +} +#else u32 spl_boot_device(void) { #ifdef CONFIG_SYS_USE_MMC @@ -34,12 +68,14 @@ u32 spl_boot_device(void) #endif return BOOT_DEVICE_NONE; } +#endif u32 spl_boot_mode(void) { switch (spl_boot_device()) { #ifdef CONFIG_SYS_USE_MMC case BOOT_DEVICE_MMC1: + case BOOT_DEVICE_MMC2: return MMCSD_MODE_FS; break; #endif |