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| author | Alison Wang <b18965@freescale.com> | 2014-12-03 15:00:47 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-12-11 09:39:22 -0800 |
| commit | 86949c2b7c94542c20767c405fc458346bd3975b (patch) | |
| tree | 7ab36213ccc4ae4e92b5df1624cc4a10e0bbc7c0 /arch/arm | |
| parent | 2565d18de0c57d95b32686f11aa98fd40d8a7e26 (diff) | |
| download | u-boot-imx-86949c2b7c94542c20767c405fc458346bd3975b.zip u-boot-imx-86949c2b7c94542c20767c405fc458346bd3975b.tar.gz u-boot-imx-86949c2b7c94542c20767c405fc458346bd3975b.tar.bz2 | |
arm: ls102xa: Add SD boot support for LS1021AQDS board
This patch adds SD boot support for LS1021AQDS board. SPL
framework is used. PBL initialize the internal RAM and copy
SPL to it, then SPL initialize DDR using SPD and copy u-boot
from SD card to DDR, finally SPL transfer control to u-boot.
Signed-off-by: Alison Wang <alison.wang@freescale.com>
Signed-off-by: Jason Jin <jason.jin@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/spl.c | 33 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-ls102xa/spl.h | 20 |
3 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/Makefile b/arch/arm/cpu/armv7/ls102xa/Makefile index ae4f25d..2e6a207 100644 --- a/arch/arm/cpu/armv7/ls102xa/Makefile +++ b/arch/arm/cpu/armv7/ls102xa/Makefile @@ -11,3 +11,4 @@ obj-y += fsl_epu.o obj-$(CONFIG_OF_LIBFDT) += fdt.o obj-$(CONFIG_SYS_HAS_SERDES) += fsl_ls1_serdes.o ls102xa_serdes.o +obj-$(CONFIG_SPL) += spl.o diff --git a/arch/arm/cpu/armv7/ls102xa/spl.c b/arch/arm/cpu/armv7/ls102xa/spl.c new file mode 100644 index 0000000..1dfbf54 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/spl.c @@ -0,0 +1,33 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> + +u32 spl_boot_device(void) +{ +#ifdef CONFIG_SPL_MMC_SUPPORT + return BOOT_DEVICE_MMC1; +#endif + return BOOT_DEVICE_NAND; +} + +u32 spl_boot_mode(void) +{ + switch (spl_boot_device()) { + case BOOT_DEVICE_MMC1: +#ifdef CONFIG_SPL_FAT_SUPPORT + return MMCSD_MODE_FAT; +#else + return MMCSD_MODE_RAW; +#endif + case BOOT_DEVICE_NAND: + return 0; + default: + puts("spl: error: unsupported device\n"); + hang(); + } +} diff --git a/arch/arm/include/asm/arch-ls102xa/spl.h b/arch/arm/include/asm/arch-ls102xa/spl.h new file mode 100644 index 0000000..26e4ea1 --- /dev/null +++ b/arch/arm/include/asm/arch-ls102xa/spl.h @@ -0,0 +1,20 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_SPL_H__ +#define __ASM_ARCH_SPL_H__ + +#define BOOT_DEVICE_NONE 0 +#define BOOT_DEVICE_XIP 1 +#define BOOT_DEVICE_XIPWAIT 2 +#define BOOT_DEVICE_NAND 3 +#define BOOT_DEVICE_ONENAND 4 +#define BOOT_DEVICE_MMC1 5 +#define BOOT_DEVICE_MMC2 6 +#define BOOT_DEVICE_MMC2_2 7 +#define BOOT_DEVICE_SPI 10 + +#endif /* __ASM_ARCH_SPL_H__ */ |