From 86949c2b7c94542c20767c405fc458346bd3975b Mon Sep 17 00:00:00 2001 From: Alison Wang Date: Wed, 3 Dec 2014 15:00:47 +0800 Subject: 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 Signed-off-by: Jason Jin Reviewed-by: York Sun --- arch/arm/cpu/armv7/ls102xa/Makefile | 1 + arch/arm/cpu/armv7/ls102xa/spl.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100644 arch/arm/cpu/armv7/ls102xa/spl.c (limited to 'arch/arm/cpu/armv7/ls102xa') diff --git a/arch/arm/cpu/armv7/ls102xa/Makefile b/arch/arm/cpu/armv7/ls102xa/Makefile index ae4f25dcd3..2e6a20757f 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 0000000000..1dfbf54802 --- /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 +#include + +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(); + } +} -- cgit v1.2.1