Add SECT_4K_PMC for erase 4KiB block on PMC chips.
Cc: Simon Glass <s...@chromium.org>
Cc: Bin Meng <bmeng...@gmail.com>
Cc: Michal Simek <michal.si...@xilinx.com>
Cc: Siva Durga Prasad Paladugu <siva...@xilinx.com>
Signed-off-by: Jagan Teki <jt...@openedev.com>
---
drivers/mtd/spi/sf_internal.h | 1 +
drivers/mtd/spi/spi_flash.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 4b3a553..62f419f 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -67,6 +67,7 @@ enum spi_nor_option_flags {
/* Erase commands */
#define CMD_ERASE_4K 0x20
+#define CMD_ERASE_4K_PMC 0xd7
#define CMD_ERASE_32K 0x52
#define CMD_ERASE_CHIP 0xc7
#define CMD_ERASE_64K 0xd8
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 2b1ea6f..98c8cfe 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -1382,6 +1382,9 @@ int spi_flash_scan(struct spi_flash *flash)
if (info->flags & SECT_4K) {
flash->erase_cmd = CMD_ERASE_4K;
flash->erase_size = 4096 << flash->shift;
+ } else if (info->flags & SECT_4K_PMC) {
+ flash->erase_cmd = CMD_ERASE_4K_PMC;
+ flash->erase_size = 4096;
} else {
flash->erase_cmd = CMD_ERASE_64K;
flash->erase_size = flash->sector_size;
--
1.9.1
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