Add support for the PMC Pm29F002T/B chips
I sucessfully tested all operations on a Pm29F002T chip. The Pm29F002B is
untested but I assume it should also work.
Corresponding to flashrom svn r590.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/Makefile b/Makefile
index 567c42c..54d662d 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,7 @@
LIBS += -lpci -lz
OBJS = chipset_enable.o board_enable.o udelay.o jedec.o stm50flw0x0x.o \
- sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o \
+ sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o pm29f002.c \
w49f002u.o 82802ab.o pm49fl00x.o sst49lf040.o en29f002a.o \
sst49lfxxxc.o sst_fwhub.o layout.o cbtable.o flashchips.o physmap.o \
flashrom.o w39v080fa.o sharplhf00l04.o w29ee011.o spi.o it87spi.o \
diff --git a/flash.h b/flash.h
index 1b798af..ac0a837 100644
--- a/flash.h
+++ b/flash.h
@@ -453,6 +453,8 @@
#define PMC_25LV040 0x7E
#define PMC_25LV080B 0x13
#define PMC_25LV016B 0x14
+#define PMC_29F002T 0x1D
+#define PMC_29F002B 0x2D
#define PMC_39LV512 0x1B
#define PMC_39F010 0x1C /* also Pm39LV010 */
#define PMC_39LV020 0x3D
@@ -783,6 +785,9 @@
int erase_29f040b(struct flashchip *flash);
int write_29f040b(struct flashchip *flash, uint8_t *buf);
+/* pm29f002.c */
+int write_pm29f002(struct flashchip *flash, uint8_t *buf);
+
/* en29f002a.c */
int probe_en29f002a(struct flashchip *flash);
int erase_en29f002a(struct flashchip *flash);
diff --git a/flashchips.c b/flashchips.c
index ccd7a21..c668a5b 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -1514,6 +1514,38 @@
{
.vendor = "PMC",
+ .name = "Pm29F0002T",
+ .bustype = CHIP_BUSTYPE_PARALLEL,
+ .manufacture_id = PMC_ID_NOPREFIX,
+ .model_id = PMC_29F002T,
+ .total_size = 256,
+ .page_size = 8192,
+ .tested = TEST_OK_PREW,
+ .probe = probe_29f040b,
+ .probe_timing = TIMING_FIXME,
+ .erase = erase_29f040b,
+ .write = write_pm29f002,
+ .read = read_memmapped,
+ },
+
+ {
+ .vendor = "PMC",
+ .name = "Pm29F0002B",
+ .bustype = CHIP_BUSTYPE_PARALLEL,
+ .manufacture_id = PMC_ID_NOPREFIX,
+ .model_id = PMC_29F002B,
+ .total_size = 256,
+ .page_size = 8192,
+ .tested = TEST_UNTESTED,
+ .probe = probe_29f040b,
+ .probe_timing = TIMING_FIXME,
+ .erase = erase_29f040b,
+ .write = write_pm29f002,
+ .read = read_memmapped,
+ },
+
+ {
+ .vendor = "PMC",
.name = "Pm39LV010",
.bustype = CHIP_BUSTYPE_NONSPI,
.manufacture_id = PMC_ID_NOPREFIX,
diff --git a/pm29f002.c b/pm29f002.c
new file mode 100644
index 0000000..374582b
--- /dev/null
+++ b/pm29f002.c
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "flash.h"
+
+int write_pm29f002(struct flashchip *flash, uint8_t *buf)
+{
+ int i, total_size = flash->total_size * 1024;
+ chipaddr bios = flash->virtual_memory;
+ chipaddr dst = bios;
+
+ /* Pm29F002T/B use the same erase method... */
+ erase_29f040b(flash);
+
+ printf("Programming page: ");
+ for (i = 0; i < total_size; i++) {
+ if ((i & 0xfff) == 0)
+ printf("address: 0x%08lx", (unsigned long)i);
+
+ /* Pm29F002T/B only support byte-wise programming. */
+ chip_writeb(0xAA, bios + 0x555);
+ chip_writeb(0x55, bios + 0x2AA);
+ chip_writeb(0xA0, bios + 0x555);
+ chip_writeb(*buf++, dst++);
+
+ /* Wait for Toggle bit ready. */
+ toggle_ready_jedec(dst);
+
+ if ((i & 0xfff) == 0)
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+ }
+
+ printf("\n");
+
+ return 0;
+}