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stm32mp: stm32prog: add support for delete option in flashlayout

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Add support for delete option 'D' in flashlayout for
full device or for partitions

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay 2020-03-18 09:24:57 +01:00
parent b83caf9fcb
commit 2bad5d082d
1 changed files with 105 additions and 0 deletions
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105
arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
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@ -23,9 +23,11 @@
#define OPT_SELECT BIT(0)
#define OPT_EMPTY BIT(1)
#define OPT_DELETE BIT(2)
#define IS_SELECT(part) ((part)->option & OPT_SELECT)
#define IS_EMPTY(part) ((part)->option & OPT_EMPTY)
#define IS_DELETE(part) ((part)->option & OPT_DELETE)
#define ALT_BUF_LEN SZ_1K
@ -158,6 +160,9 @@ static int parse_option(struct stm32prog_data *data,
case 'E':
part->option |= OPT_EMPTY;
break;
case 'D':
part->option |= OPT_DELETE;
break;
default:
result = -EINVAL;
stm32prog_err("Layout line %d: invalid option '%c' in %s)",
@ -1293,10 +1298,80 @@ void stm32prog_next_phase(struct stm32prog_data *data)
puts("Phase=END\n");
}
static int part_delete(struct stm32prog_data *data,
struct stm32prog_part_t *part)
{
int ret = 0;
#ifdef CONFIG_MMC
unsigned long blks, blks_offset, blks_size;
struct blk_desc *block_dev = NULL;
#endif
#ifdef CONFIG_MTD
char cmdbuf[40];
char devstr[10];
#endif
printf("Erasing %s ", part->name);
switch (part->target) {
#ifdef CONFIG_MMC
case STM32PROG_MMC:
printf("on mmc %d: ", part->dev->dev_id);
block_dev = mmc_get_blk_desc(part->dev->mmc);
blks_offset = lldiv(part->addr, part->dev->mmc->read_bl_len);
blks_size = lldiv(part->size, part->dev->mmc->read_bl_len);
/* -1 or -2 : delete boot partition of MMC
* need to switch to associated hwpart 1 or 2
*/
if (part->part_id < 0)
if (blk_select_hwpart_devnum(IF_TYPE_MMC,
part->dev->dev_id,
-part->part_id))
return -1;
blks = blk_derase(block_dev, blks_offset, blks_size);
/* return to user partition */
if (part->part_id < 0)
blk_select_hwpart_devnum(IF_TYPE_MMC,
part->dev->dev_id, 0);
if (blks != blks_size) {
ret = -1;
stm32prog_err("%s (0x%x): MMC erase failed",
part->name, part->id);
}
break;
#endif
#ifdef CONFIG_MTD
case STM32PROG_NOR:
case STM32PROG_NAND:
case STM32PROG_SPI_NAND:
get_mtd_by_target(devstr, part->target, part->dev->dev_id);
printf("on %s: ", devstr);
sprintf(cmdbuf, "mtd erase %s 0x%llx 0x%llx",
devstr, part->addr, part->size);
if (run_command(cmdbuf, 0)) {
ret = -1;
stm32prog_err("%s (0x%x): MTD erase commands failed (%s)",
part->name, part->id, cmdbuf);
}
break;
#endif
default:
ret = -1;
stm32prog_err("%s (0x%x): erase invalid", part->name, part->id);
break;
}
if (!ret)
printf("done\n");
return ret;
}
static void stm32prog_devices_init(struct stm32prog_data *data)
{
int i;
int ret;
struct stm32prog_part_t *part;
ret = treat_partition_list(data);
if (ret)
@ -1309,10 +1384,40 @@ static void stm32prog_devices_init(struct stm32prog_data *data)
goto error;
}
/* delete RAW partition before create partition */
for (i = 0; i < data->part_nb; i++) {
part = &data->part_array[i];
if (part->part_type != RAW_IMAGE)
continue;
if (!IS_SELECT(part) || !IS_DELETE(part))
continue;
ret = part_delete(data, part);
if (ret)
goto error;
}
ret = create_partitions(data);
if (ret)
goto error;
/* delete partition GPT or MTD */
for (i = 0; i < data->part_nb; i++) {
part = &data->part_array[i];
if (part->part_type == RAW_IMAGE)
continue;
if (!IS_SELECT(part) || !IS_DELETE(part))
continue;
ret = part_delete(data, part);
if (ret)
goto error;
}
return;
error: