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arm: socfpga: spl: Add support for booting from SD/MMC

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Add code and configuration options to support booting from RAW
SD/MMC card as well as for ext4/vfat filesystems. Enable support
for booting from SD/MMC card, but don't enable the filesystem
support just yet to retain compatibility with old SoCFPGA card
format.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-07-10 00:04:23 +02:00
parent 1d8c939391
commit d3f34e752d
5 changed files with 37 additions and 1 deletions
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17
arch/arm/mach-socfpga/spl.c
View File

@ -31,9 +31,26 @@ static struct nic301_registers *nic301_regs =
u32 spl_boot_device(void)
{
#ifdef CONFIG_SPL_MMC_SUPPORT
socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0);
socfpga_per_reset(SOCFPGA_RESET(DMA), 0);
return BOOT_DEVICE_MMC1;
#else
return BOOT_DEVICE_RAM;
#endif
}
#ifdef CONFIG_SPL_MMC_SUPPORT
u32 spl_boot_mode(void)
{
#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
return MMCSD_MODE_FS;
#else
return MMCSD_MODE_RAW;
#endif
}
#endif
static void socfpga_nic301_slave_ns(void)
{
writel(0x1, &nic301_regs->lwhps2fpgaregs);

2
configs/socfpga_arria5_defconfig
View File

@ -7,3 +7,5 @@ CONFIG_SPL=y
# CONFIG_CMD_FLASH is not set
CONFIG_OF_CONTROL=y
CONFIG_SPI_FLASH=y
CONFIG_SPL_DM=y
CONFIG_SPL_MMC_SUPPORT=y

2
configs/socfpga_cyclone5_defconfig
View File

@ -9,3 +9,5 @@ CONFIG_OF_CONTROL=y
CONFIG_SPI_FLASH=y
CONFIG_NETDEVICES=y
CONFIG_ETH_DESIGNWARE=y
CONFIG_SPL_DM=y
CONFIG_SPL_MMC_SUPPORT=y

3
configs/socfpga_socrates_defconfig
View File

@ -6,7 +6,8 @@ CONFIG_SPL=y
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set
CONFIG_OF_CONTROL=y
CONFIG_SPL_DISABLE_OF_CONTROL=y
CONFIG_SPI_FLASH=y
CONFIG_NETDEVICES=y
CONFIG_ETH_DESIGNWARE=y
CONFIG_SPL_DM=y
CONFIG_SPL_MMC_SUPPORT=y

14
include/configs/socfpga_common.h
View File

@ -300,6 +300,20 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_WATCHDOG_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_MMC_SUPPORT
/* SPL SDMMC boot support */
#ifdef CONFIG_SPL_MMC_SUPPORT
#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 2
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img"
#define CONFIG_SPL_LIBDISK_SUPPORT
#else
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 3
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0xa00 /* offset 2560 sect (1M+256k) */
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 800 /* 400 KB */
#endif
#endif
/*
* Stack setup