diff options
Diffstat (limited to 'arch/arm/mach-mvebu/spl.c')
-rw-r--r-- | arch/arm/mach-mvebu/spl.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c index 832df0a..778996e 100644 --- a/arch/arm/mach-mvebu/spl.c +++ b/arch/arm/mach-mvebu/spl.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2014-2015 Stefan Roese <sr@denx.de> + * Copyright (C) 2014-2016 Stefan Roese <sr@denx.de> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -15,14 +15,30 @@ DECLARE_GLOBAL_DATA_PTR; -u32 spl_boot_device(void) +static u32 get_boot_device(void) { -#if defined(CONFIG_SPL_SPI_FLASH_SUPPORT) - return BOOT_DEVICE_SPI; -#endif -#if defined(CONFIG_SPL_MMC_SUPPORT) - return BOOT_DEVICE_MMC1; + u32 val; + u32 boot_device; + + val = readl(CONFIG_SAR_REG); /* SAR - Sample At Reset */ + boot_device = (val & BOOT_DEV_SEL_MASK) >> BOOT_DEV_SEL_OFFS; + switch (boot_device) { +#ifdef CONFIG_SPL_MMC_SUPPORT + case BOOT_FROM_MMC: + case BOOT_FROM_MMC_ALT: + return BOOT_DEVICE_MMC1; #endif + case BOOT_FROM_UART: + return BOOT_DEVICE_UART; + case BOOT_FROM_SPI: + default: + return BOOT_DEVICE_SPI; + }; +} + +u32 spl_boot_device(void) +{ + return get_boot_device(); } #ifdef CONFIG_SPL_MMC_SUPPORT |