[U-Boot] [PATCH V2 2/5] spl: Add EXT support to SPL
Guillaume GARDET
guillaume.gardet at free.fr
Wed Oct 15 17:53:12 CEST 2014
Add EXT filesystem support to SPL.
Signed-off-by: Guillaume GARDET <guillaume.gardet at free.fr>
Cc: Tom Rini <trini at ti.com>
---
common/spl/Makefile | 1 +
common/spl/spl_ext.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++
common/spl/spl_mmc.c | 18 ++++++-
fs/Makefile | 1 +
include/spl.h | 4 ++
5 files changed, 160 insertions(+), 2 deletions(-)
create mode 100644 common/spl/spl_ext.c
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 64569c2..10a4589 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -18,5 +18,6 @@ obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o
obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o
obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o
obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
+obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o
obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o
endif
diff --git a/common/spl/spl_ext.c b/common/spl/spl_ext.c
new file mode 100644
index 0000000..7342268
--- /dev/null
+++ b/common/spl/spl_ext.c
@@ -0,0 +1,138 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <ext4fs.h>
+#include <image.h>
+
+#ifdef CONFIG_SPL_EXT_SUPPORT
+int spl_load_image_ext(block_dev_desc_t *block_dev,
+ int partition,
+ const char *filename)
+{
+ s32 err;
+ struct image_header *header;
+ int filelen;
+ disk_partition_t part_info = {};
+
+ header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+ sizeof(struct image_header));
+
+ if (get_partition_info(block_dev,
+ partition, &part_info)) {
+ printf("spl: no partition table found\n");
+ goto end;
+ }
+
+ ext4fs_set_blk_dev(block_dev, &part_info);
+
+ err = ext4fs_mount(0);
+ if (!err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("%s: ext4fs mount err - %d\n", __func__, err);
+#endif
+ goto end;
+ }
+
+ filelen = err = ext4fs_open(filename);
+ if (err < 0) {
+ puts("spl: ext4fs_open failed\n");
+ goto end;
+ }
+ err = ext4fs_read((char *)header, sizeof(struct image_header));
+ if (err <= 0) {
+ puts("spl: ext4fs_read failed\n");
+ goto end;
+ }
+
+ spl_parse_image_header(header);
+
+ err = ext4fs_read((char *)spl_image.load_addr, filelen);
+
+end:
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ if (err <= 0)
+ printf("%s: error reading image %s, err - %d\n",
+ __func__, filename, err);
+#endif
+
+ return (err <= 0);
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition)
+{
+ int err;
+ int filelen;
+ disk_partition_t part_info = {};
+ __maybe_unused char *file;
+
+ if (get_partition_info(block_dev,
+ partition, &part_info)) {
+ printf("spl: no partition table found\n");
+ return -1;
+ }
+
+ ext4fs_set_blk_dev(block_dev, &part_info);
+
+ err = ext4fs_mount(0);
+ if (!err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("%s: ext4fs mount err - %d\n", __func__, err);
+#endif
+ return -1;
+ }
+
+#if defined(CONFIG_SPL_ENV_SUPPORT) && defined(CONFIG_SPL_OS_BOOT)
+ file = getenv("falcon_args_file");
+ if (file) {
+ filelen = err = ext4fs_open(file);
+ if (err < 0) {
+ puts("spl: ext4fs_open failed\n");
+ goto defaults;
+ }
+ err = ext4fs_read( (void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen);
+ if (err <= 0) {
+ printf("spl: error reading image %s, err - %d, falling back to default\n",
+ file, err);
+ goto defaults;
+ }
+ file = getenv("falcon_image_file");
+ if (file) {
+ err = spl_load_image_ext(block_dev, partition, file);
+ if (err != 0) {
+ puts("spl: falling back to default\n");
+ goto defaults;
+ }
+
+ return 0;
+ } else
+ puts("spl: falcon_image_file not set in environment, falling back to default\n");
+ } else
+ puts("spl: falcon_args_file not set in environment, falling back to default\n");
+
+defaults:
+#endif
+
+ filelen = err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME);
+ if (err < 0) {
+ puts("spl: ext4fs_open failed\n");
+ }
+ err = ext4fs_read( (void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen);
+ if (err <= 0) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("%s: error reading image %s, err - %d\n",
+ __func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
+#endif
+ return -1;
+ }
+
+ return spl_load_image_ext(block_dev, partition,
+ CONFIG_SPL_FS_LOAD_KERNEL_NAME);
+}
+#endif
+#endif
+
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index a631e0a..ee71f79 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -100,9 +100,10 @@ void spl_mmc_load_image(void)
#endif
err = mmc_load_image_raw(mmc,
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
-#ifdef CONFIG_SPL_FAT_SUPPORT
+#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
} else if (boot_mode == MMCSD_MODE_FS) {
- debug("boot mode - FAT\n");
+ debug("boot mode - FS\n");
+#ifdef CONFIG_SPL_FAT_SUPPORT
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION))
@@ -110,7 +111,20 @@ void spl_mmc_load_image(void)
err = spl_load_image_fat(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION,
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
+ if(err)
+#endif /* CONFIG_SPL_FAT_SUPPORT */
+ {
+#ifdef CONFIG_SPL_EXT_SUPPORT
+#ifdef CONFIG_SPL_OS_BOOT
+ if (spl_start_uboot() || spl_load_image_ext_os(&mmc->block_dev,
+ CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION))
#endif
+ err = spl_load_image_ext(&mmc->block_dev,
+ CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION,
+ CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
+#endif /* CONFIG_SPL_EXT_SUPPORT */
+ }
+#endif /* defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) */
#ifdef CONFIG_SUPPORT_EMMC_BOOT
} else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
/*
diff --git a/fs/Makefile b/fs/Makefile
index 1822165..51d06fc 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -8,6 +8,7 @@
ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_SPL_FAT_SUPPORT) += fat/
+obj-$(CONFIG_SPL_EXT_SUPPORT) += ext4/
else
obj-y += fs.o
diff --git a/include/spl.h b/include/spl.h
index 58c81dc..f4688c0 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -72,6 +72,10 @@ void spl_sata_load_image(void);
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);
+/* SPL EXT image functions */
+int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename);
+int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition);
+
#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void);
#endif
--
1.8.4.5
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