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authorBartlomiej Sieka <tur@semihalf.com>2007-11-26 18:55:18 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2008-01-10 22:07:12 +0000
commitde7921f01a407e0cb38143363995db89a5f9a5c5 (patch)
tree425512d0db3500d05d2c4388d227e89ed82bb5d7 /include/linux/mtd/cfi.h
parent78b65179d08e7e4466ba69d5ede85035a2c96358 (diff)
[MTD] [NOR] Fix incorrect interface code for x16/x32 chips
According to "Common Flash Memory Interface Publication 100" dated December 1, 2001, the interface code for x16/x32 chips is 0x0005, and not 0x0004 used so far. Signed-off-by: Bartlomiej Sieka <tur@semihalf.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/linux/mtd/cfi.h')
-rw-r--r--include/linux/mtd/cfi.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index e17c5343cf5..b0ddf4b2586 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -98,6 +98,18 @@ static inline int cfi_interleave_supported(int i)
#define CFI_DEVICETYPE_X32 (32 / 8)
#define CFI_DEVICETYPE_X64 (64 / 8)
+
+/* Device Interface Code Assignments from the "Common Flash Memory Interface
+ * Publication 100" dated December 1, 2001.
+ */
+#define CFI_INTERFACE_X8_ASYNC 0x0000
+#define CFI_INTERFACE_X16_ASYNC 0x0001
+#define CFI_INTERFACE_X8_BY_X16_ASYNC 0x0002
+#define CFI_INTERFACE_X32_ASYNC 0x0003
+#define CFI_INTERFACE_X16_BY_X32_ASYNC 0x0005
+#define CFI_INTERFACE_NOT_ALLOWED 0xffff
+
+
/* NB: We keep these structures in memory in HOST byteorder, except
* where individually noted.
*/