1 files changed, 147 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/common/spl/spl_mmc.c b/qemu/roms/u-boot/common/spl/spl_mmc.c
new file mode 100644
index 000000000..fa6f891bc
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_mmc.c
@@ -0,0 +1,147 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <mmc.h>
+#include <version.h>
+#include <image.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int mmc_load_image_raw(struct mmc *mmc, unsigned long sector)
+{
+	unsigned long err;
+	u32 image_size_sectors;
+	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, sector, 1, header);
+	if (err == 0)
+		goto end;
+
+	if (image_get_magic(header) != IH_MAGIC)
+		return -1;
+
+	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, sector, image_size_sectors,
+					(void *)spl_image.load_addr);
+
+end:
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+	if (err == 0)
+		printf("spl: mmc blk read err - %lu\n", err);
+#endif
+
+	return (err == 0);
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+static int mmc_load_image_raw_os(struct mmc *mmc)
+{
+	if (!mmc->block_dev.block_read(0,
+				       CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
+				       CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
+				       (void *)CONFIG_SYS_SPL_ARGS_ADDR)) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("mmc args blk read error\n");
+#endif
+		return -1;
+	}
+
+	return mmc_load_image_raw(mmc, CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
+}
+#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) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		puts("spl: mmc device not found!!\n");
+#endif
+		hang();
+	}
+
+	err = mmc_init(mmc);
+	if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("spl: mmc init failed: err - %d\n", err);
+#endif
+		hang();
+	}
+
+	boot_mode = spl_boot_mode();
+	if (boot_mode == MMCSD_MODE_RAW) {
+		debug("boot mode - RAW\n");
+#ifdef CONFIG_SPL_OS_BOOT
+		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);
+#ifdef CONFIG_SPL_FAT_SUPPORT
+	} else if (boot_mode == MMCSD_MODE_FAT) {
+		debug("boot mode - FAT\n");
+#ifdef CONFIG_SPL_OS_BOOT
+		if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
+								CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION))
+#endif
+		err = spl_load_image_fat(&mmc->block_dev,
+					CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION,
+					CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
+#endif
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+	} else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
+		/*
+		 * We need to check what the partition is configured to.
+		 * 1 and 2 match up to boot0 / boot1 and 7 is user data
+		 * which is the first physical partition (0).
+		 */
+		int part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
+
+		if (part == 7)
+			part = 0;
+
+		if (mmc_switch_part(0, part)) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+			puts("MMC partition switch failed\n");
+#endif
+			hang();
+		}
+#ifdef CONFIG_SPL_OS_BOOT
+		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);
+#endif
+	} else {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		puts("spl: wrong MMC boot mode\n");
+#endif
+		hang();
+	}
+
+	if (err)
+		hang();
+}