[U-Boot] [U-Boot 2/3] spl: common: Move FAT funcs to a common file
Dan Murphy
dmurphy at ti.com
Fri Jan 10 14:02:16 CET 2014
Move the FAT functions to a common location for reuse.
Signed-off-by: Dan Murphy <dmurphy at ti.com>
---
common/spl/Makefile | 1 +
common/spl/spl_fat.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++
common/spl/spl_mmc.c | 68 ++++-------------------------------
include/spl.h | 5 +++
4 files changed, 108 insertions(+), 62 deletions(-)
create mode 100644 common/spl/spl_fat.c
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 5c0637b..c8d5963 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -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
diff --git a/common/spl/spl_fat.c b/common/spl/spl_fat.c
new file mode 100644
index 0000000..9b40584
--- /dev/null
+++ b/common/spl/spl_fat.c
@@ -0,0 +1,96 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments, <www.ti.com>
+ *
+ * Dan Murphy <dmurphy at 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
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index fc2f226..13fbff0 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -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
diff --git a/include/spl.h b/include/spl.h
index 2bd6e16..cd5cd26 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -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
--
1.7.9.5
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