Add initial support for the following flash chips:

 - Atmel AT29C020
 - STMicroelectronics M29F002B
 - STMicroelectronics M29F002T
 - STMicroelectronics M29F002NT

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Signed-off-by: Roger Zauner <roger@eskimo.com>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2621 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/util/flashrom/README b/util/flashrom/README
index 2c83b43d3a47b5a629262e5cbc497be11b526e7e..9c96857ec79748e6ad2c3f33d072553b2e94f9f2 100644 (file)
--- a/util/flashrom/README
+++ b/util/flashrom/README
@@ -92,6 +92,7 @@ AMD AM-29F040B
 AMD AM-29F016D
 ASD AE49F2008
 Atmel AT-29C040A
+Atmel AT-29C020
 EMST F49B002UA
 Intel 82802AB (Firmware Hub) 
 Intel 82802AC (Firmware Hub) 
@@ -118,6 +119,9 @@ SST SST-49LF008A
 SST SST-49LF004C
 SST SST-49LF008C
 SST SST-49LF016C
+ST ST-M29F002B
+ST ST-M29F002T
+ST ST-M29F002NT
 ST ST-M29F400BT
 ST ST-M29F040B
 SyncMOS S29C51001T/B

diff --git a/util/flashrom/flash.h b/util/flashrom/flash.h
index b22227d22d2fd6e04bb0785f325e77222a149e3f..0d54c4201b54a094677aecb6065db0bb4d13343c 100644 (file)
--- a/util/flashrom/flash.h
+++ b/util/flashrom/flash.h
@@ -64,6 +64,7 @@ extern struct flashchip flashchips[];
 
 #define ATMEL_ID               0x1F    /* Atmel */
 #define AT_29C040A             0xA4
+#define AT_29C020              0xDA
 
 #define MX_ID                  0xC2    /* Macronix (MX) */
 #define MX_29F002              0xB0
@@ -106,8 +107,10 @@ extern struct flashchip flashchips[];
 #define W_49V002FA             0x32
 
 #define ST_ID                  0x20    /* ST */
-#define ST_M29F040B            0xE2
+#define ST_M29F002B            0x34
+#define ST_M29F002T            0xB0    /* M29F002T / M29F002NT */
 #define ST_M29F400BT           0xD5
+#define ST_M29F040B            0xE2
 
 #define EMST_ID                        0x8c    /* EMST / EFST */
 #define EMST_F49B002UA         0x00

diff --git a/util/flashrom/flashchips.c b/util/flashrom/flashchips.c
index c4ae6f4d7a3322212f2dd37342d4ead1e782c662..bf0a976dace2bcdf8fb2406b522651bf04efd0ae 100644 (file)
--- a/util/flashrom/flashchips.c
+++ b/util/flashrom/flashchips.c
@@ -49,6 +49,8 @@ struct flashchip flashchips[] = {
         probe_jedec,   erase_chip_jedec, write_jedec,  NULL},
        {"At29C040A",   ATMEL_ID,       AT_29C040A,     NULL, 512, 256,
         probe_jedec,   erase_chip_jedec, write_jedec,  NULL},
+       {"At29C020",    ATMEL_ID,       AT_29C020,      NULL, 256, 256,
+        probe_jedec,   erase_chip_jedec, write_jedec,  NULL},
        {"Mx29f002",    MX_ID,          MX_29F002,      NULL, 256, 64 * 1024,
         probe_29f002,  erase_29f002,   write_29f002,   NULL},
        {"SST29EE020A", SST_ID,         SST_29EE020A,   NULL, 256, 128,
@@ -109,10 +111,14 @@ struct flashchip flashchips[] = {
         probe_jedec,   erase_chip_jedec, write_39sf020, NULL},
        {"W39V080A",    WINBOND_ID,     W_39V080A,      NULL, 1024, 64*1024,
         probe_jedec,   erase_chip_jedec, write_39sf020, NULL},
-       {"M29F040B",    ST_ID,          ST_M29F040B,    NULL, 512, 64 * 1024,
-        probe_29f040b, erase_29f040b,  write_29f040b,  NULL},
+       {"M29F002B",    ST_ID,          ST_M29F002B,    NULL, 256, 64 * 1024,
+        probe_jedec,   erase_chip_jedec, write_jedec,  NULL},
+       {"M29F002T/NT", ST_ID,          ST_M29F002T,    NULL, 256, 64 * 1024,
+        probe_jedec,   erase_chip_jedec, write_jedec,  NULL},
        {"M29F400BT",   ST_ID,          ST_M29F400BT,   NULL, 512, 64 * 1024,
         probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
+       {"M29F040B",    ST_ID,          ST_M29F040B,    NULL, 512, 64 * 1024,
+        probe_29f040b, erase_29f040b,  write_29f040b,  NULL},
        {"82802ab",     137,            173,            NULL, 512, 64 * 1024,
         probe_82802ab, erase_82802ab,  write_82802ab,  NULL},
        {"82802ac",     137,            172,            NULL, 1024, 64 * 1024,