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-rw-r--r--common/spl/Makefile2
-rw-r--r--common/spl/spl.c5
-rw-r--r--common/spl/spl_fat.c96
-rw-r--r--common/spl/spl_mmc.c68
-rw-r--r--common/spl/spl_usb.c58
5 files changed, 167 insertions, 62 deletions
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 5c0637b..65a1484 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -16,4 +16,6 @@ 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-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o
+obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
endif
diff --git a/common/spl/spl.c b/common/spl/spl.c
index da31457..0645cee 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -205,6 +205,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
spl_net_load_image("usb_ether");
break;
#endif
+#ifdef CONFIG_SPL_USB_SUPPORT
+ case BOOT_DEVICE_USB:
+ spl_usb_load_image();
+ break;
+#endif
default:
debug("SPL: Un-supported Boot Device\n");
hang();
diff --git a/common/spl/spl_fat.c b/common/spl/spl_fat.c
new file mode 100644
index 0000000..1e532d5
--- /dev/null
+++ b/common/spl/spl_fat.c
@@ -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("%s: fat register err - %d\n", __func__, 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)
+ 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("%s: error reading image %s, err - %d\n",
+ __func__, 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)
+ return 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("%s: error reading image %s, err - %d\n",
+ __func__, 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/common/spl/spl_usb.c b/common/spl/spl_usb.c
new file mode 100644
index 0000000..53a9043
--- /dev/null
+++ b/common/spl/spl_usb.c
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments, <www.ti.com>
+ *
+ * Dan Murphy <dmurphy@ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Derived work from spl_mmc.c
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <usb.h>
+#include <fat.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USB_STORAGE
+static int usb_stor_curr_dev = -1; /* current device */
+#endif
+
+void spl_usb_load_image(void)
+{
+ int err;
+ block_dev_desc_t *stor_dev;
+
+ usb_stop();
+ err = usb_init();
+ if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("%s: usb init failed: err - %d\n", __func__, err);
+#endif
+ hang();
+ }
+
+#ifdef CONFIG_USB_STORAGE
+ /* try to recognize storage devices immediately */
+ usb_stor_curr_dev = usb_stor_scan(1);
+ stor_dev = usb_stor_get_dev(usb_stor_curr_dev);
+#endif
+
+ debug("boot mode - FAT\n");
+
+#ifdef CONFIG_SPL_OS_BOOT
+ if (spl_start_uboot() || spl_load_image_fat_os(stor_dev,
+ CONFIG_SYS_USB_FAT_BOOT_PARTITION))
+#endif
+ err = spl_load_image_fat(stor_dev,
+ CONFIG_SYS_USB_FAT_BOOT_PARTITION,
+ CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
+
+ if (err) {
+ puts("Error loading USB device\n");
+ hang();
+ }
+}
generated by cgit v1.1 at 2024-12-24 21:17:01 +0000