diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi/sf-uclass.c | 14 | ||||
| -rw-r--r-- | drivers/mtd/spi/sf_internal.h | 4 | ||||
| -rw-r--r-- | drivers/mtd/spi/sf_probe.c | 8 | ||||
| -rw-r--r-- | drivers/mtd/spi/spi-nor-core.c | 11 | ||||
| -rw-r--r-- | drivers/mtd/spi/spi-nor-tiny.c | 6 |
5 files changed, 38 insertions, 5 deletions
diff --git a/drivers/mtd/spi/sf-uclass.c b/drivers/mtd/spi/sf-uclass.c index 12d132152d..cfce00ef54 100644 --- a/drivers/mtd/spi/sf-uclass.c +++ b/drivers/mtd/spi/sf-uclass.c @@ -31,6 +31,15 @@ int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len) return log_ret(sf_get_ops(dev)->erase(dev, offset, len)); } +int spl_flash_get_sw_write_prot(struct udevice *dev) +{ + struct dm_spi_flash_ops *ops = sf_get_ops(dev); + + if (!ops->get_sw_write_prot) + return -ENOSYS; + return log_ret(ops->get_sw_write_prot(dev)); +} + /* * TODO(sjg@chromium.org): This is an old-style function. We should remove * it when all SPI flash drivers use dm @@ -46,11 +55,6 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, return dev_get_uclass_priv(dev); } -void spi_flash_free(struct spi_flash *flash) -{ - device_remove(flash->spi->dev, DM_REMOVE_NORMAL); -} - int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs, unsigned int max_hz, unsigned int spi_mode, struct udevice **devp) diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index 9ceff0e7c1..786301ba4a 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -75,6 +75,10 @@ extern const struct flash_info spi_nor_ids[]; #define JEDEC_MFR(info) ((info)->id[0]) #define JEDEC_ID(info) (((info)->id[1]) << 8 | ((info)->id[2])) +/* Get software write-protect value (BP bits) */ +int spi_flash_cmd_get_sw_write_prot(struct spi_flash *flash); + + #if CONFIG_IS_ENABLED(SPI_FLASH_MTD) int spi_flash_mtd_register(struct spi_flash *flash); void spi_flash_mtd_unregister(void); diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 6c87434867..3befbe91ca 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -130,6 +130,13 @@ static int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len) return mtd->_erase(mtd, &instr); } +static int spi_flash_std_get_sw_write_prot(struct udevice *dev) +{ + struct spi_flash *flash = dev_get_uclass_priv(dev); + + return spi_flash_cmd_get_sw_write_prot(flash); +} + int spi_flash_std_probe(struct udevice *dev) { struct spi_slave *slave = dev_get_parent_priv(dev); @@ -153,6 +160,7 @@ static const struct dm_spi_flash_ops spi_flash_std_ops = { .read = spi_flash_std_read, .write = spi_flash_std_write, .erase = spi_flash_std_erase, + .get_sw_write_prot = spi_flash_std_get_sw_write_prot, }; static const struct udevice_id spi_flash_std_ids[] = { diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index e0efebc355..a6625535a7 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -2647,3 +2647,14 @@ int spi_nor_scan(struct spi_nor *nor) return 0; } + +/* U-Boot specific functions, need to extend MTD to support these */ +int spi_flash_cmd_get_sw_write_prot(struct spi_nor *nor) +{ + int sr = read_sr(nor); + + if (sr < 0) + return sr; + + return (sr >> 2) & 7; +} diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index 07c8c7b82b..1d5861d55c 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -809,3 +809,9 @@ int spi_nor_scan(struct spi_nor *nor) return 0; } + +/* U-Boot specific functions, need to extend MTD to support these */ +int spi_flash_cmd_get_sw_write_prot(struct spi_nor *nor) +{ + return -ENOTSUPP; +} |