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bsps/shared/dev/flash/jffs2: Add support for NAND

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This adds support for NAND to the JFFS2 flashdev adapter.

Closes #5369
This commit is contained in:
Kinsey Moore
2025-09-10 12:48:12 -05:00
committed by Gedare Bloom
parent 10154a6eca
commit 32e76ed96d
1 changed files with 79 additions and 1 deletions
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80
bsps/shared/dev/flash/jffs2_flashdev.c
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@@ -112,6 +112,79 @@ static int do_erase(
return 0;
}
static int do_block_is_bad(
rtems_jffs2_flash_control *super,
uint32_t offset,
bool *bad
)
{
int status;
int fd = fileno(get_flash_control( super )->handle);
rtems_flashdev_ioctl_sector_health args;
args.location = offset;
status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_SECTOR_HEALTH, &args);
*bad = args.sector_bad;
return status;
}
static int do_block_mark_bad(
rtems_jffs2_flash_control *super,
uint32_t offset
)
{
int fd = fileno(get_flash_control( super )->handle);
off_t o_offset = offset;
return ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_SECTOR_MARK_BAD, &o_offset);
}
static int do_read_oob(
rtems_jffs2_flash_control *super,
uint32_t offset,
uint8_t *oobbuf,
uint32_t ooblen
)
{
int fd = fileno(get_flash_control( super )->handle);
rtems_flashdev_ioctl_oob_rw_info args;
args.offset = offset;
args.count = ooblen;
args.buffer = oobbuf;
return ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_OOB_READ, &args);
}
static int do_write_oob(
rtems_jffs2_flash_control *super,
uint32_t offset,
uint8_t *oobbuf,
uint32_t ooblen
)
{
int fd = fileno(get_flash_control( super )->handle);
rtems_flashdev_ioctl_oob_rw_info args;
args.offset = offset;
args.count = ooblen;
args.buffer = oobbuf;
return ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_OOB_WRITE, &args);
}
static uint32_t do_get_oob_size(
rtems_jffs2_flash_control *super
)
{
int fd = fileno(get_flash_control( super )->handle);
size_t bytes_per_page = 0;
return ioctl(fd, RTEMS_FLASHDEV_IOCTL_OOB_BYTES_PER_PAGE, &bytes_per_page);
}
static void do_destroy( rtems_jffs2_flash_control *super )
{
flash_control *self = get_flash_control( super );
@@ -125,7 +198,7 @@ static int get_sector_size(int fd, uint32_t *size)
rtems_flashdev_ioctl_sector_info sec_info = {0, };
int status;
status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_SECTORINFO_BY_OFFSET, &sec_info);
status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_SECTORINFO_BY_OFFSET, &sec_info);
if (status == 0) {
*size = sec_info.sector_info.size;
}
@@ -260,6 +333,11 @@ rtems_status_code jffs2_flashdev_mount(
*/
if (flash_type == RTEMS_FLASHDEV_NAND) {
instance->super.write_size = write_size;
instance->super.block_is_bad = do_block_is_bad;
instance->super.block_mark_bad = do_block_mark_bad;
instance->super.oob_read = do_read_oob;
instance->super.oob_write = do_write_oob;
instance->super.get_oob_size = do_get_oob_size;
}
status = mount(