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--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -42,6 +42,7 @@
#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */
#define OPCODE_BE_32K 0x52 /* Erase 32KiB block */
#define OPCODE_CHIP_ERASE 0xc7 /* Erase whole flash chip */
+#define OPCODE_BE_4K_ALT 0xd7 /* Erase 4KiB block */
#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */
#define OPCODE_RDID 0x9f /* Read JEDEC ID */
@@ -599,6 +600,7 @@ struct flash_info {
u16 flags;
#define SECT_4K 0x01 /* OPCODE_BE_4K works uniformly */
+#define SECT_4K_ALT 0x02 /* OPCODE_BE_4K_ALT works uniformly */
};
@@ -626,6 +628,10 @@ static struct flash_info __devinitdata m
{ "mx25l12805d", 0xc22018, 0, 64 * 1024, 256, },
{ "mx25l12855e", 0xc22618, 0, 64 * 1024, 256, },
+ /* PMC -- pm25x "blocks" are 32K, sectors are 4K */
+ { "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K_ALT },
+ { "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K_ALT },
+
/* Spansion -- single (large) sector size only, at least
* for the chips listed here (without boot sectors).
*/
@@ -807,6 +813,9 @@ static int __devinit m25p_probe(struct s
if (info->flags & SECT_4K) {
flash->erase_opcode = OPCODE_BE_4K;
flash->mtd.erasesize = 4096;
+ } else if (info->flags & SECT_4K_ALT) {
+ flash->erase_opcode = OPCODE_BE_4K_ALT;
+ flash->mtd.erasesize = 4096;
} else {
flash->erase_opcode = OPCODE_SE;
flash->mtd.erasesize = info->sector_size;
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