Am Montag, 15. Oktober 2007 01:06:00 schrieb Carl-Daniel Hailfinger:
> Great, thanks! The code I have also is not polished, so even if your
> code is ugly, it is better than no code. We can clean up that stuff
> together.
yes, that's right!
here it is.
the patch is done with:
[EMAIL PROTECTED] ~/src/linuxbios/LinuxBIOSv3/util/flashrom $ svn info
Pfad: .
URL: svn://linuxbios.org/repos/trunk/util/flashrom
Basis des Projektarchivs: svn://linuxbios.org/repos
UUID des Projektarchivs: 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Revision: 2850
Knotentyp: Verzeichnis
Plan: normal
Letzter Autor: rminnich
Letzte geänderte Rev: 2850
Letztes Änderungsdatum: 2007-10-12 23:22:40 +0200 (Fr, 12 Okt 2007)
[EMAIL PROTECTED] ~/src/linuxbios/LinuxBIOSv3/util/flashrom $
have fun with it, or just shrug because of the "dirty" hacks. ;)
regards, harald
diff -ubrN ../../flashrom.original/board_enable.c flashrom.new/board_enable.c
--- ../../flashrom.original/board_enable.c 2007-10-15 01:14:29.000000000 +0200
+++ flashrom.new/board_enable.c 2007-10-14 20:28:41.000000000 +0200
@@ -37,7 +37,7 @@
#define JEDEC_RDID_OUTSIZE 0x01
#define JEDEC_RDID_INSIZE 0x03
-static uint16_t it8716f_flashport = 0;
+uint16_t it8716f_flashport = 0;
/* Generic Super I/O helper functions */
uint8_t regval(uint16_t port, uint8_t reg)
@@ -111,7 +111,7 @@
whereas the IT8716F splits commands internally into address and non-address
commands with the address in inverse wire order. That's why the register
ordering in case 4 and 5 may seem strange. */
-static int it8716f_spi_command(uint16_t port, unsigned char writecnt, unsigned char readcnt, const unsigned char *writearr, unsigned char *readarr)
+int it8716f_spi_command(uint16_t port, unsigned char writecnt, unsigned char readcnt, const unsigned char *writearr, unsigned char *readarr)
{
uint8_t busy, writeenc;
do {
diff -ubrN ../../flashrom.original/board_enable.h flashrom.new/board_enable.h
--- ../../flashrom.original/board_enable.h 1970-01-01 01:00:00.000000000 +0100
+++ flashrom.new/board_enable.h 2007-10-14 21:09:18.000000000 +0200
@@ -0,0 +1,7 @@
+#ifndef boardenableh
+#define boardenableh
+uint16_t it8716f_flashport;
+uint8_t regval(uint16_t port, uint8_t reg);
+void regwrite(uint16_t port, uint8_t reg, uint8_t val);
+int it8716f_spi_command(uint16_t port, unsigned char writecnt, unsigned char readcnt, const unsigned char *writearr, unsigned char *readarr);
+#endif
diff -ubrN ../../flashrom.original/flashchips.c flashrom.new/flashchips.c
--- ../../flashrom.original/flashchips.c 2007-10-15 01:14:28.000000000 +0200
+++ flashrom.new/flashchips.c 2007-10-15 01:24:58.000000000 +0200
@@ -39,7 +39,7 @@
{"Mx29f002", MX_ID, MX_29F002, 256, 64 * 1024,
probe_29f002, erase_29f002, write_29f002},
{"MX25L4005", MX_ID, MX_25L4005, 512, 4 * 1024,
- probe_spi, NULL, NULL},
+ probe_spi, erase_25l4005, write_25l4005},
{"SST29EE020A", SST_ID, SST_29EE020A, 256, 128,
probe_jedec, erase_chip_jedec, write_jedec},
{"SST28SF040A", SST_ID, SST_28SF040, 512, 256,
diff -ubrN ../../flashrom.original/flash.h flashrom.new/flash.h
--- ../../flashrom.original/flash.h 2007-10-15 01:14:28.000000000 +0200
+++ flashrom.new/flash.h 2007-10-14 19:13:52.000000000 +0200
@@ -294,4 +294,10 @@
/* w49f002u.c */
int write_49f002(struct flashchip *flash, uint8_t *buf);
+/* mx25l4005.c */
+// probe
+int write_25l4005(struct flashchip *flash, uint8_t *buf);
+int erase_25l4005(struct flashchip *flash);
+int read_25l4005(struct flashchip *flash, uint8_t *buf);
+
#endif /* !__FLASH_H__ */
diff -ubrN ../../flashrom.original/Makefile flashrom.new/Makefile
--- ../../flashrom.original/Makefile 2007-10-15 01:14:29.000000000 +0200
+++ flashrom.new/Makefile 2007-10-15 01:20:16.000000000 +0200
@@ -24,7 +24,7 @@
am29f040b.o mx29f002.o sst39sf020.o m29f400bt.o w49f002u.o \
82802ab.o msys_doc.o pm49fl004.o sst49lf040.o sst49lfxxxc.o \
sst_fwhub.o layout.o lbtable.o flashchips.o flashrom.o \
- sharplhf00l04.o w29ee011.o
+ sharplhf00l04.o w29ee011.o mx25l4005.o
all: pciutils dep $(PROGRAM)
@@ -33,7 +33,7 @@
$(STRIP) $(STRIP_ARGS) $(PROGRAM)
clean:
- rm -f *.o *~
+ rm -f *.o *~ flashrom
distclean: clean
rm -f $(PROGRAM) .dependencies
diff -ubrN ../../flashrom.original/mx25l4005.c flashrom.new/mx25l4005.c
--- ../../flashrom.original/mx25l4005.c 1970-01-01 01:00:00.000000000 +0100
+++ flashrom.new/mx25l4005.c 2007-10-15 01:17:56.000000000 +0200
@@ -0,0 +1,57 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "flash.h"
+#include "board_enable.h"
+
+static void check_n_write_enable() {
+ uint8_t result[3] = {0, 0, 0};
+ uint8_t command[5] = {0x06, 0, 0, 0, 0};
+ // Send WREN (Write Enable)
+ it8716f_spi_command(it8716f_flashport, 1, 0, command, result);
+ uint8_t reg=regval(it8716f_flashport,0x24);
+ reg|=(1<<4);
+ regwrite(it8716f_flashport,0x24,reg);
+
+}
+
+static void write_disable() {
+ uint8_t result[3] = {0, 0, 0};
+ uint8_t command[5] = {0x04, 0, 0, 0, 0};
+ // Send WRDI (Write Disable)
+ it8716f_spi_command(it8716f_flashport, 1, 0, command, result);
+ uint8_t reg=regval(it8716f_flashport,0x24);
+ reg&=~(1<<4);
+ regwrite(it8716f_flashport,0x24,reg);
+}
+
+void write256b(int block, uint8_t *buf, uint8_t *bios ) {
+ check_n_write_enable();
+ outb(0x06,it8716f_flashport+1);
+ outb((3<<4),it8716f_flashport);
+ int i;
+ for (i=0;i<256;++i) {
+ bios[256*block+i]=buf[256*block+i];
+ }
+ outb(0,it8716f_flashport);
+ write_disable();
+ usleep (100000);
+}
+
+int write_25l4005(struct flashchip *flash, uint8_t *buf) {
+ int total_size=1024*flash->total_size;
+ int i;
+ for (i=0;i<total_size/256;++i) {
+ write256b(i, buf, (uint8_t*)flash->virtual_memory);
+ }
+return 0;
+}
+
+int erase_25l4005(struct flashchip *flash) {
+check_n_write_enable();
+uint8_t result[3]={0, 0, 0};
+uint8_t command[5]={0xc7, 0, 0, 0, 0};
+it8716f_spi_command(it8716f_flashport, 1, 0, command, result);
+write_disable();
+return 0;
+}
--
linuxbios mailing list
linuxbios@linuxbios.org
http://www.linuxbios.org/mailman/listinfo/linuxbios
