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spl: common: Move FAT funcs to a common file

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Move the FAT functions to a common location for reuse.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
This commit is contained in:
Dan Murphy 2014-01-16 11:23:29 -06:00 committed by Tom Rini
parent b2a6dfe4f8
commit 773b5940b5
4 changed files with 108 additions and 62 deletions
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1
common/spl/Makefile
View File

@ -16,4 +16,5 @@ obj-$(CONFIG_SPL_NAND_SUPPORT) += spl_nand.o
obj-$(CONFIG_SPL_ONENAND_SUPPORT) += spl_onenand.o
obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o
obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o
obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
endif

96
common/spl/spl_fat.c Normal file
View File

@ -0,0 +1,96 @@
/*
* (C) Copyright 2014
* Texas Instruments, <www.ti.com>
*
* Dan Murphy <dmurphy@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*
* FAT Image Functions copied from spl_mmc.c
*/
#include <common.h>
#include <spl.h>
#include <asm/u-boot.h>
#include <fat.h>
#include <image.h>
static int fat_registered;
#ifdef CONFIG_SPL_FAT_SUPPORT
static int spl_register_fat_device(block_dev_desc_t *block_dev, int partition)
{
int err = 0;
if (fat_registered)
return err;
err = fat_register_device(block_dev, partition);
if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("spl: fat register err - %d\n", err);
#endif
hang();
}
fat_registered = 1;
return err;
}
int spl_load_image_fat(block_dev_desc_t *block_dev,
int partition,
const char *filename)
{
int err;
struct image_header *header;
err = spl_register_fat_device(block_dev, partition);
if (err <= 0)
goto end;
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
err = file_fat_read(filename, header, sizeof(struct image_header));
if (err <= 0)
goto end;
spl_parse_image_header(header);
err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0);
end:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
if (err <= 0)
printf("spl: error reading image %s, err - %d\n",
filename, err);
#endif
return (err <= 0);
}
#ifdef CONFIG_SPL_OS_BOOT
int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition)
{
int err;
err = spl_register_fat_device(block_dev, partition);
if (err <= 0)
return -1;
err = file_fat_read(CONFIG_SPL_FAT_LOAD_ARGS_NAME,
(void *)CONFIG_SYS_SPL_ARGS_ADDR, 0);
if (err <= 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("spl: error reading image %s, err - %d\n",
CONFIG_SPL_FAT_LOAD_ARGS_NAME, err);
#endif
return -1;
}
return spl_load_image_fat(block_dev, partition,
CONFIG_SPL_FAT_LOAD_KERNEL_NAME);
}
#endif
#endif

68
common/spl/spl_mmc.c
View File

@ -10,7 +10,6 @@
#include <spl.h>
#include <asm/u-boot.h>
#include <mmc.h>
#include <fat.h>
#include <version.h>
#include <image.h>
@ -69,54 +68,6 @@ static int mmc_load_image_raw_os(struct mmc *mmc)
}
#endif
#ifdef CONFIG_SPL_FAT_SUPPORT
static int mmc_load_image_fat(struct mmc *mmc, const char *filename)
{
int err;
struct image_header *header;
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
err = file_fat_read(filename, header, sizeof(struct image_header));
if (err <= 0)
goto end;
spl_parse_image_header(header);
err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0);
end:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
if (err <= 0)
printf("spl: error reading image %s, err - %d\n",
filename, err);
#endif
return (err <= 0);
}
#ifdef CONFIG_SPL_OS_BOOT
static int mmc_load_image_fat_os(struct mmc *mmc)
{
int err;
err = file_fat_read(CONFIG_SPL_FAT_LOAD_ARGS_NAME,
(void *)CONFIG_SYS_SPL_ARGS_ADDR, 0);
if (err <= 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("spl: error reading image %s, err - %d\n",
CONFIG_SPL_FAT_LOAD_ARGS_NAME, err);
#endif
return -1;
}
return mmc_load_image_fat(mmc, CONFIG_SPL_FAT_LOAD_KERNEL_NAME);
}
#endif
#endif
void spl_mmc_load_image(void)
{
struct mmc *mmc;
@ -148,24 +99,17 @@ void spl_mmc_load_image(void)
if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
#endif
err = mmc_load_image_raw(mmc,
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
#ifdef CONFIG_SPL_FAT_SUPPORT
} else if (boot_mode == MMCSD_MODE_FAT) {
debug("boot mode - FAT\n");
err = fat_register_device(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("spl: fat register err - %d\n", err);
#endif
hang();
}
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || mmc_load_image_fat_os(mmc))
if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION))
#endif
err = mmc_load_image_fat(mmc, CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
err = spl_load_image_fat(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION,
CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
#endif
} else {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

5
include/spl.h
View File

@ -11,6 +11,7 @@
#include <linux/compiler.h>
#include <asm/spl.h>
/* Boot type */
#define MMCSD_MODE_UNDEFINED 0
#define MMCSD_MODE_RAW 1
@ -60,6 +61,10 @@ void spl_spi_load_image(void);
/* Ethernet SPL functions */
void spl_net_load_image(const char *device);
/* SPL FAT image functions */
int spl_load_image_fat(block_dev_desc_t *block_dev, int partition, const char *filename);
int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition);
#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void);
#endif