Hi,
I've added support for the Macronix MX23L1654, MX23L6454, and MX23L12854
SPI mask ROM chips. I do not physically have these chips and have not
tested, but I used the template for the MX23L3254 which I have
previously verified to work with a real chip.
Datasheets:
http://www.mxic.com.tw/Lists/DataSheet/Attachments/1216/MX23L1654,%203.0-3.3V,%2016Mb,%20v1.5.pdf
http://www.mxic.com.tw/Lists/DataSheet/Attachments/1234/MX23L6454,%203.0-3.3V,%2064Mb,%20v1.8.pdf
http://www.mxic.com.tw/Lists/DataSheet/Attachments/1232/MX23L12854,%203.0-3.3V,%20128Mb,%20v1.7.pdf
Signed-off-by: Michael Coppola <michael.n.copp...@gmail.com>
Index: flashchips.c
===================================================================
--- flashchips.c (revision 1842)
+++ flashchips.c (working copy)
@@ -6322,6 +6322,22 @@
{
.vendor = "Macronix",
+ .name = "MX23L1654",
+ .bustype = BUS_SPI,
+ .manufacture_id = MACRONIX_ID,
+ .model_id = MACRONIX_MX23L1654,
+ .total_size = 2048,
+ .page_size = 256,
+ .tested = {.probe = OK, .read = OK, .erase = NA, .write = NA},
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .write = NULL, /* MX23L1654 is a mask ROM, so it is read-only */
+ .read = spi_chip_read, /* Fast read (0x0B) supported */
+ .voltage = {3000, 3600},
+ },
+
+ {
+ .vendor = "Macronix",
.name = "MX23L3254",
.bustype = BUS_SPI,
.manufacture_id = MACRONIX_ID,
@@ -6338,6 +6354,38 @@
{
.vendor = "Macronix",
+ .name = "MX23L6454",
+ .bustype = BUS_SPI,
+ .manufacture_id = MACRONIX_ID,
+ .model_id = MACRONIX_MX23L6454,
+ .total_size = 8192,
+ .page_size = 256,
+ .tested = {.probe = OK, .read = OK, .erase = NA, .write = NA},
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .write = NULL, /* MX23L6454 is a mask ROM, so it is read-only */
+ .read = spi_chip_read, /* Fast read (0x0B) supported */
+ .voltage = {3000, 3600},
+ },
+
+ {
+ .vendor = "Macronix",
+ .name = "MX23L12854",
+ .bustype = BUS_SPI,
+ .manufacture_id = MACRONIX_ID,
+ .model_id = MACRONIX_MX23L12854,
+ .total_size = 16384,
+ .page_size = 256,
+ .tested = {.probe = OK, .read = OK, .erase = NA, .write = NA},
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .write = NULL, /* MX23L12854 is a mask ROM, so it is read-only */
+ .read = spi_chip_read, /* Fast read (0x0B) supported */
+ .voltage = {3000, 3600},
+ },
+
+ {
+ .vendor = "Macronix",
.name = "MX25L512(E)/MX25V512(C)",
.bustype = BUS_SPI,
.manufacture_id = MACRONIX_ID,
Index: flashchips.h
===================================================================
--- flashchips.h (revision 1842)
+++ flashchips.h (working copy)
@@ -448,7 +448,10 @@
#define MACRONIX_ID 0xC2 /* Macronix (MX) */
/* Mask ROMs */
+#define MACRONIX_MX23L1654 0x0515
#define MACRONIX_MX23L3254 0x0516
+#define MACRONIX_MX23L6454 0x0517
+#define MACRONIX_MX23L12854 0x0518
/* MX25 chips are SPI, first byte of device ID is memory type,
* second byte of device ID is log(bitsize)-9.
* Generalplus SPI chips seem to be compatible with Macronix
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