diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/Makefile | 4 | ||||
| -rw-r--r-- | drivers/mmc/spl_mmc.c | 136 | ||||
| -rw-r--r-- | drivers/mmc/spl_mmc_load.c | 62 |
3 files changed, 138 insertions, 64 deletions
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 2b96cdcd4..565ba6a38 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -25,8 +25,8 @@ include $(TOPDIR)/config.mk LIB := $(obj)libmmc.o -ifdef CONFIG_SPL_MMC_LOAD -COBJS-$(CONFIG_SPL_MMC_LOAD) += spl_mmc_load.o +ifdef CONFIG_SPL_BUILD +COBJS-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o endif COBJS-$(CONFIG_BFIN_SDH) += bfin_sdh.o diff --git a/drivers/mmc/spl_mmc.c b/drivers/mmc/spl_mmc.c new file mode 100644 index 000000000..753c6a014 --- /dev/null +++ b/drivers/mmc/spl_mmc.c @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * + * Aneesh V <aneesh@ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <spl.h> +#include <asm/u-boot.h> +#include <asm/utils.h> +#include <mmc.h> +#include <fat.h> +#include <version.h> + +DECLARE_GLOBAL_DATA_PTR; + +static void mmc_load_image_raw(struct mmc *mmc) +{ + u32 image_size_sectors, err; + const struct image_header *header; + + header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - + sizeof(struct image_header)); + + /* read image header to find the image size & load address */ + err = mmc->block_dev.block_read(0, + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1, + (void *)header); + + if (err <= 0) + goto end; + + spl_parse_image_header(header); + + /* convert size to sectors - round up */ + image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) / + mmc->read_bl_len; + + /* Read the header too to avoid extra memcpy */ + err = mmc->block_dev.block_read(0, + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, + image_size_sectors, (void *)spl_image.load_addr); + +end: + if (err <= 0) { + printf("spl: mmc blk read err - %d\n", err); + hang(); + } +} + +#ifdef CONFIG_SPL_FAT_SUPPORT +static void mmc_load_image_fat(struct mmc *mmc) +{ + s32 err; + struct image_header *header; + + header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - + sizeof(struct image_header)); + + err = fat_register_device(&mmc->block_dev, + CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION); + if (err) { + printf("spl: fat register err - %d\n", err); + hang(); + } + + err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, + (u8 *)header, sizeof(struct image_header)); + if (err <= 0) + goto end; + + spl_parse_image_header(header); + + err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, + (u8 *)spl_image.load_addr, 0); + +end: + if (err <= 0) { + printf("spl: error reading image %s, err - %d\n", + CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err); + hang(); + } +} +#endif + +void spl_mmc_load_image(void) +{ + struct mmc *mmc; + int err; + u32 boot_mode; + + mmc_initialize(gd->bd); + /* We register only one device. So, the dev id is always 0 */ + mmc = find_mmc_device(0); + if (!mmc) { + puts("spl: mmc device not found!!\n"); + hang(); + } + + err = mmc_init(mmc); + if (err) { + printf("spl: mmc init failed: err - %d\n", err); + hang(); + } + boot_mode = spl_boot_mode(); + if (boot_mode == MMCSD_MODE_RAW) { + debug("boot mode - RAW\n"); + mmc_load_image_raw(mmc); +#ifdef CONFIG_SPL_FAT_SUPPORT + } else if (boot_mode == MMCSD_MODE_FAT) { + debug("boot mode - FAT\n"); + mmc_load_image_fat(mmc); +#endif + } else { + puts("spl: wrong MMC boot mode\n"); + hang(); + } +} diff --git a/drivers/mmc/spl_mmc_load.c b/drivers/mmc/spl_mmc_load.c deleted file mode 100644 index 79a68fbcf..000000000 --- a/drivers/mmc/spl_mmc_load.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <common.h> -#include <mmc.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void mmc_load_image(struct mmc *mmc) -{ - s32 err; - void (*uboot)(void) __noreturn; - - err = mmc->block_dev.block_read(0, CONFIG_SYS_MMC_U_BOOT_OFFS, - CONFIG_SYS_MMC_U_BOOT_SIZE/512, - (u32 *)CONFIG_SYS_TEXT_BASE); - - if (err <= 0) { - printf("spl: error reading image %s, err - %d\n", - "u-boot.img", err); - hang(); - } - uboot = (void *) CONFIG_SYS_TEXT_BASE; - (*uboot)(); -} - -void spl_mmc_load(void) -{ - struct mmc *mmc; - int err; - void (mmc_load_image)(struct mmc *mmc) __noreturn; - - mmc_initialize(gd->bd); - mmc = find_mmc_device(0); - if (!mmc) { - puts("spl: mmc device not found!!\n"); - hang(); - } else { - puts("spl: mmc device found\n"); - } - err = mmc_init(mmc); - if (err) { - printf("spl: mmc init failed: err - %d\n", err); - hang(); - } - mmc_load_image(mmc); -} |