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authorTom Rini <trini@ti.com>2014-02-17 14:16:08 -0500
committerTom Rini <trini@ti.com>2014-02-17 14:16:08 -0500
commit18c83588bc830dbad5a96ca19a85184da58f4d09 (patch)
tree6c6828f97876aa9974f29d2c8f5f248b8188a172 /common
parent22a240c32c1340183fce12867ae5f8736b92a638 (diff)
parentb818d9ab8d96471c40ccbd4541a46dfa415eda73 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-mmc
Diffstat (limited to 'common')
-rw-r--r--common/cmd_mmc.c108
-rw-r--r--common/spl/spl_mmc.c24
2 files changed, 74 insertions, 58 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index da5fef9..2d51927 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -131,36 +131,6 @@ U_BOOT_CMD(
"- display info of the current MMC device"
);
-#ifdef CONFIG_SUPPORT_EMMC_BOOT
-static int boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
-{
- int err;
- err = mmc_boot_part_access(mmc, ack, part_num, access);
-
- if ((err == 0) && (access != 0)) {
- printf("\t\t\t!!!Notice!!!\n");
-
- printf("!You must close EMMC boot Partition");
- printf("after all images are written\n");
-
- printf("!EMMC boot partition has continuity");
- printf("at image writing time.\n");
-
- printf("!So, do not close the boot partition");
- printf("before all images are written.\n");
- return 0;
- } else if ((err == 0) && (access == 0))
- return 0;
- else if ((err != 0) && (access != 0)) {
- printf("EMMC boot partition-%d OPEN Failed.\n", part_num);
- return 1;
- } else {
- printf("EMMC boot partition-%d CLOSE Failed.\n", part_num);
- return 1;
- }
-}
-#endif
-
static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
enum mmc_state state;
@@ -195,7 +165,7 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 1;
else
return 0;
- } else if (strncmp(argv[1], "part", 4) == 0) {
+ } else if (strcmp(argv[1], "part") == 0) {
block_dev_desc_t *mmc_dev;
struct mmc *mmc;
@@ -273,15 +243,16 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
#ifdef CONFIG_SUPPORT_EMMC_BOOT
- } else if ((strcmp(argv[1], "open") == 0) ||
- (strcmp(argv[1], "close") == 0)) {
+ } else if (strcmp(argv[1], "partconf") == 0) {
int dev;
struct mmc *mmc;
- u8 part_num, access = 0;
+ u8 ack, part_num, access;
- if (argc == 4) {
+ if (argc == 6) {
dev = simple_strtoul(argv[2], NULL, 10);
- part_num = simple_strtoul(argv[3], NULL, 10);
+ ack = simple_strtoul(argv[3], NULL, 10);
+ part_num = simple_strtoul(argv[4], NULL, 10);
+ access = simple_strtoul(argv[5], NULL, 10);
} else {
return CMD_RET_USAGE;
}
@@ -293,32 +264,53 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
}
if (IS_SD(mmc)) {
- printf("SD device cannot be opened/closed\n");
+ puts("PARTITION_CONFIG only exists on eMMC\n");
return 1;
}
- if ((part_num <= 0) || (part_num > MMC_NUM_BOOT_PARTITION)) {
- printf("Invalid boot partition number:\n");
- printf("Boot partition number cannot be <= 0\n");
- printf("EMMC44 supports only 2 boot partitions\n");
+ /* acknowledge to be sent during boot operation */
+ return mmc_set_part_conf(mmc, ack, part_num, access);
+ } else if (strcmp(argv[1], "bootbus") == 0) {
+ int dev;
+ struct mmc *mmc;
+ u8 width, reset, mode;
+
+ if (argc == 6) {
+ dev = simple_strtoul(argv[2], NULL, 10);
+ width = simple_strtoul(argv[3], NULL, 10);
+ reset = simple_strtoul(argv[4], NULL, 10);
+ mode = simple_strtoul(argv[5], NULL, 10);
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ mmc = find_mmc_device(dev);
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", dev);
return 1;
}
- if (strcmp(argv[1], "open") == 0)
- access = part_num; /* enable R/W access to boot part*/
- else
- access = 0; /* No access to boot partition */
+ if (IS_SD(mmc)) {
+ puts("BOOT_BUS_WIDTH only exists on eMMC\n");
+ return 1;
+ }
/* acknowledge to be sent during boot operation */
- return boot_part_access(mmc, 1, part_num, access);
-
- } else if (strcmp(argv[1], "bootpart") == 0) {
+ return mmc_set_boot_bus_width(mmc, width, reset, mode);
+ } else if (strcmp(argv[1], "bootpart-resize") == 0) {
int dev;
- dev = simple_strtoul(argv[2], NULL, 10);
+ struct mmc *mmc;
+ u32 bootsize, rpmbsize;
- u32 bootsize = simple_strtoul(argv[3], NULL, 10);
- u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
- struct mmc *mmc = find_mmc_device(dev);
+ if (argc == 5) {
+ dev = simple_strtoul(argv[2], NULL, 10);
+ bootsize = simple_strtoul(argv[3], NULL, 10);
+ rpmbsize = simple_strtoul(argv[4], NULL, 10);
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;
@@ -438,12 +430,12 @@ U_BOOT_CMD(
"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
"mmc list - lists available devices\n"
#ifdef CONFIG_SUPPORT_EMMC_BOOT
- "mmc open <dev> <boot_partition>\n"
- " - Enable boot_part for booting and enable R/W access of boot_part\n"
- "mmc close <dev> <boot_partition>\n"
- " - Enable boot_part for booting and disable access to boot_part\n"
- "mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n"
- " - change sizes of boot and RPMB partitions of specified device\n"
+ "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
+ " - Set the BOOT_BUS_WIDTH field of the specified device\n"
+ "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
+ " - Change sizes of boot and RPMB partitions of specified device\n"
+ "mmc partconf dev boot_ack boot_partition partition_access\n"
+ " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
#endif
"mmc setdsr - set DSR register value\n"
);
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index 13fbff0..fa6f891 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -111,6 +111,30 @@ void spl_mmc_load_image(void)
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");