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-rw-r--r--util/flashrom/flash.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/util/flashrom/flash.h b/util/flashrom/flash.h
index 2bcdf91041..09e239ea0d 100644
--- a/util/flashrom/flash.h
+++ b/util/flashrom/flash.h
@@ -167,7 +167,12 @@ extern struct flashchip flashchips[];
#define SST_49LF016C 0x5C
#define SST_49LF160C 0x4C
+/*
+ * ST25P chips are SPI, first byte of device ID is memory type, second
+ * byte of device ID is related to log(bitsize) at least for some chips.
+ */
#define ST_ID 0x20 /* ST */
+#define ST_M25P80 0x2014
#define ST_M50FLW040A 0x08
#define ST_M50FLW040B 0x28
#define ST_M50FLW080A 0x80