#include <errno.h>
#include <div64.h>
#include <dfu.h>
+#include <ext4fs.h>
+#include <fat.h>
#include <mmc.h>
-static unsigned char __aligned(CONFIG_SYS_CACHELINE_SIZE)
- dfu_file_buf[CONFIG_SYS_DFU_MAX_FILE_SIZE];
+static unsigned char *dfu_file_buf;
static long dfu_file_buf_len;
+static int mmc_access_part(struct dfu_entity *dfu, struct mmc *mmc, int part)
+{
+ int ret;
+
+ if (part == mmc->part_num)
+ return 0;
+
+ ret = mmc_switch_part(dfu->data.mmc.dev_num, part);
+ if (ret) {
+ error("Cannot switch to partition %d\n", part);
+ return ret;
+ }
+ mmc->part_num = part;
+
+ return 0;
+}
+
static int mmc_block_op(enum dfu_op op, struct dfu_entity *dfu,
u64 offset, void *buf, long *len)
{
- struct mmc *mmc = find_mmc_device(dfu->dev_num);
+ struct mmc *mmc;
u32 blk_start, blk_count, n = 0;
+ int ret, part_num_bkp = 0;
+
+ mmc = find_mmc_device(dfu->data.mmc.dev_num);
+ if (!mmc) {
+ error("Device MMC %d - not found!", dfu->data.mmc.dev_num);
+ return -ENODEV;
+ }
/*
* We must ensure that we work in lba_blk_size chunks, so ALIGN
return -EINVAL;
}
+ if (dfu->data.mmc.hw_partition >= 0) {
+ part_num_bkp = mmc->part_num;
+ ret = mmc_access_part(dfu, mmc, dfu->data.mmc.hw_partition);
+ if (ret)
+ return ret;
+ }
+
debug("%s: %s dev: %d start: %d cnt: %d buf: 0x%p\n", __func__,
- op == DFU_OP_READ ? "MMC READ" : "MMC WRITE", dfu->dev_num,
- blk_start, blk_count, buf);
+ op == DFU_OP_READ ? "MMC READ" : "MMC WRITE",
+ dfu->data.mmc.dev_num, blk_start, blk_count, buf);
switch (op) {
case DFU_OP_READ:
- n = mmc->block_dev.block_read(dfu->dev_num, blk_start,
+ n = mmc->block_dev.block_read(dfu->data.mmc.dev_num, blk_start,
blk_count, buf);
break;
case DFU_OP_WRITE:
- n = mmc->block_dev.block_write(dfu->dev_num, blk_start,
+ n = mmc->block_dev.block_write(dfu->data.mmc.dev_num, blk_start,
blk_count, buf);
break;
default:
if (n != blk_count) {
error("MMC operation failed");
+ if (dfu->data.mmc.hw_partition >= 0)
+ mmc_access_part(dfu, mmc, part_num_bkp);
return -EIO;
}
+ if (dfu->data.mmc.hw_partition >= 0) {
+ ret = mmc_access_part(dfu, mmc, part_num_bkp);
+ if (ret)
+ return ret;
+ }
+
return 0;
}
static int mmc_file_op(enum dfu_op op, struct dfu_entity *dfu,
void *buf, long *len)
{
+ const char *fsname, *opname;
char cmd_buf[DFU_CMD_BUF_SIZE];
char *str_env;
int ret;
switch (dfu->layout) {
case DFU_FS_FAT:
- sprintf(cmd_buf, "fat%s mmc %d:%d 0x%x %s",
- op == DFU_OP_READ ? "load" : "write",
- dfu->data.mmc.dev, dfu->data.mmc.part,
- (unsigned int) buf, dfu->name);
+ fsname = "fat";
break;
case DFU_FS_EXT4:
- sprintf(cmd_buf, "ext4%s mmc %d:%d 0x%x /%s",
- op == DFU_OP_READ ? "load" : "write",
- dfu->data.mmc.dev, dfu->data.mmc.part,
- (unsigned int) buf, dfu->name);
+ fsname = "ext4";
break;
default:
printf("%s: Layout (%s) not (yet) supported!\n", __func__,
return -1;
}
+ switch (op) {
+ case DFU_OP_READ:
+ opname = "load";
+ break;
+ case DFU_OP_WRITE:
+ opname = "write";
+ break;
+ case DFU_OP_SIZE:
+ opname = "size";
+ break;
+ default:
+ return -1;
+ }
+
+ sprintf(cmd_buf, "%s%s mmc %d:%d", fsname, opname,
+ dfu->data.mmc.dev, dfu->data.mmc.part);
+
+ if (op != DFU_OP_SIZE)
+ sprintf(cmd_buf + strlen(cmd_buf), " %p", buf);
+
+ sprintf(cmd_buf + strlen(cmd_buf), " %s", dfu->name);
+
if (op == DFU_OP_WRITE)
sprintf(cmd_buf + strlen(cmd_buf), " %lx", *len);
return ret;
}
- if (dfu->layout != DFU_RAW_ADDR && op == DFU_OP_READ) {
+ if (op != DFU_OP_WRITE) {
str_env = getenv("filesize");
if (str_env == NULL) {
puts("dfu: Wrong file size!\n");
if (dfu->layout != DFU_RAW_ADDR) {
/* Do stuff here. */
- ret = mmc_file_op(DFU_OP_WRITE, dfu, &dfu_file_buf,
+ ret = mmc_file_op(DFU_OP_WRITE, dfu, dfu_file_buf,
&dfu_file_buf_len);
/* Now that we're done */
return ret;
}
+long dfu_get_medium_size_mmc(struct dfu_entity *dfu)
+{
+ int ret;
+ long len;
+
+ switch (dfu->layout) {
+ case DFU_RAW_ADDR:
+ return dfu->data.mmc.lba_size * dfu->data.mmc.lba_blk_size;
+ case DFU_FS_FAT:
+ case DFU_FS_EXT4:
+ ret = mmc_file_op(DFU_OP_SIZE, dfu, NULL, &len);
+ if (ret < 0)
+ return ret;
+ return len;
+ default:
+ printf("%s: Layout (%s) not (yet) supported!\n", __func__,
+ dfu_get_layout(dfu->layout));
+ return -1;
+ }
+}
+
int dfu_read_medium_mmc(struct dfu_entity *dfu, u64 offset, void *buf,
long *len)
{
return ret;
}
+void dfu_free_entity_mmc(struct dfu_entity *dfu)
+{
+ if (dfu_file_buf) {
+ free(dfu_file_buf);
+ dfu_file_buf = NULL;
+ }
+}
+
/*
* @param s Parameter string containing space-separated arguments:
* 1st:
* 2nd and 3rd:
* lba_start and lba_size, for raw write
* mmc_dev and mmc_part, for filesystems and part
+ * 4th (optional):
+ * mmcpart <num> (access to HW eMMC partitions)
*/
-int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
+int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s)
{
const char *entity_type;
size_t second_arg;
const char *argv[3];
const char **parg = argv;
+ dfu->data.mmc.dev_num = simple_strtoul(devstr, NULL, 10);
+
for (; parg < argv + sizeof(argv) / sizeof(*argv); ++parg) {
*parg = strsep(&s, " ");
if (*parg == NULL) {
second_arg = simple_strtoul(argv[1], NULL, 0);
third_arg = simple_strtoul(argv[2], NULL, 0);
- mmc = find_mmc_device(dfu->dev_num);
+ mmc = find_mmc_device(dfu->data.mmc.dev_num);
if (mmc == NULL) {
- error("Couldn't find MMC device no. %d.\n", dfu->dev_num);
+ error("Couldn't find MMC device no. %d.\n",
+ dfu->data.mmc.dev_num);
return -ENODEV;
}
return -ENODEV;
}
+ dfu->data.mmc.hw_partition = -EINVAL;
if (!strcmp(entity_type, "raw")) {
dfu->layout = DFU_RAW_ADDR;
dfu->data.mmc.lba_start = second_arg;
dfu->data.mmc.lba_size = third_arg;
dfu->data.mmc.lba_blk_size = mmc->read_bl_len;
+
+ /*
+ * Check for an extra entry at dfu_alt_info env variable
+ * specifying the mmc HW defined partition number
+ */
+ if (s)
+ if (!strcmp(strsep(&s, " "), "mmcpart"))
+ dfu->data.mmc.hw_partition =
+ simple_strtoul(s, NULL, 0);
+
} else if (!strcmp(entity_type, "part")) {
disk_partition_t partinfo;
block_dev_desc_t *blk_dev = &mmc->block_dev;
}
dfu->dev_type = DFU_DEV_MMC;
+ dfu->get_medium_size = dfu_get_medium_size_mmc;
dfu->read_medium = dfu_read_medium_mmc;
dfu->write_medium = dfu_write_medium_mmc;
dfu->flush_medium = dfu_flush_medium_mmc;
dfu->inited = 0;
+ dfu->free_entity = dfu_free_entity_mmc;
+
+ /* Check if file buffer is ready */
+ if (!dfu_file_buf) {
+ dfu_file_buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
+ CONFIG_SYS_DFU_MAX_FILE_SIZE);
+ if (!dfu_file_buf) {
+ error("Could not memalign 0x%x bytes",
+ CONFIG_SYS_DFU_MAX_FILE_SIZE);
+ return -ENOMEM;
+ }
+ }
return 0;
}
projects / karo-tx-uboot.git / blobdiff