rename the directory to match the program name

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2102 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 328 insertions, 0 deletions

diff --git a/util/flashrom/flash_rom.c b/util/flashrom/flash_rom.c
new file mode 100644
index 0000000000..ceb56ad8f6
--- /dev/null
+++ b/util/flashrom/flash_rom.c
@@ -0,0 +1,328 @@
+/*
+ * flash_rom.c: Flash programming utility for SiS 630/950 M/Bs
+ *
+ *
+ * Copyright 2000 Silicon Integrated System Corporation
+ * Copyright 2004 Tyan Corp
+ *	yhlu yhlu@tyan.com add exclude start and end option
+ *
+ *	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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * Reference:
+ *	1. SiS 630 Specification
+ *	2. SiS 950 Specification
+ *
+ * $Id$
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "flash.h"
+#include "jedec.h"
+#include "m29f400bt.h"
+#include "82802ab.h"
+#include "msys_doc.h"
+#include "am29f040b.h"
+#include "sst28sf040.h"
+#include "w49f002u.h"
+#include "sst39sf020.h"
+#include "sst49lf040.h"
+#include "pm49fl004.h"
+#include "mx29f002.h"
+#include "sst_fwhub.h"
+
+struct flashchip flashchips[] = {
+	{"Am29F040B",	AMD_ID, 	AM_29F040B,	NULL, 512, 64 * 1024,
+	 probe_29f040b, erase_29f040b,	write_29f040b,	NULL},
+	{"At29C040A",	ATMEL_ID,	AT_29C040A,	NULL, 512, 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,
+	 probe_jedec,	erase_chip_jedec, write_jedec,	NULL},
+	{"SST28SF040A", SST_ID,		SST_28SF040,	NULL, 512, 256,
+	 probe_28sf040, erase_28sf040, write_28sf040,	NULL},
+	{"SST39SF020A", SST_ID,		SST_39SF020,	NULL, 256, 4096,
+	 probe_jedec,	erase_chip_jedec, write_39sf020,NULL},
+	{"SST39VF020",	SST_ID,		SST_39VF020,	NULL, 256, 4096,
+	 probe_jedec,	erase_chip_jedec, write_39sf020,NULL},
+	{"SST49LF040",	SST_ID,		SST_49LF040, 	NULL, 512, 4096,
+	 probe_jedec, 	erase_49lf040, write_49lf040,NULL},
+	{"SST49LF080A",	SST_ID,		SST_49LF080A,	NULL, 1024, 4096,
+	 probe_jedec,	erase_chip_jedec, write_49lf040,NULL},
+	{"SST49LF002A/B", SST_ID,	SST_49LF002A,	NULL, 256, 16 * 1024,
+	 probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
+	{"SST49LF003A/B", SST_ID,	SST_49LF003A,	NULL, 384, 64 * 1024,
+	 probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
+	{"SST49LF004A/B", SST_ID,	SST_49LF004A,	NULL, 512, 64 * 1024,
+	 probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
+	{"SST49LF008A", SST_ID,		SST_49LF008A, 	NULL, 1024, 64 * 1024 ,
+	 probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
+	{"Pm49FL004",	PMC_ID,		PMC_49FL004,	NULL, 512, 64 * 1024,
+	 probe_jedec,	erase_chip_jedec, write_49fl004,NULL},
+	{"W29C011",	WINBOND_ID,	W_29C011,	NULL, 128, 128,
+	 probe_jedec,	erase_chip_jedec, write_jedec,	NULL},
+	{"W29C020C", 	WINBOND_ID, 	W_29C020C,	NULL, 256, 128,
+	 probe_jedec, 	erase_chip_jedec, write_jedec,	NULL},
+	{"W49F002U", 	WINBOND_ID, 	W_49F002U,	NULL, 256, 128,
+	 probe_jedec,	erase_chip_jedec, write_49f002, NULL},
+	{"M29F400BT",	ST_ID,		ST_M29F400BT,	NULL, 512, 64 * 1024,
+	 probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
+	{"82802ab",	137,		173,		NULL, 512, 64 * 1024,
+	 probe_82802ab, erase_82802ab,	write_82802ab,	NULL},
+	{"82802ac",	137,		172,		NULL, 1024, 64 * 1024,
+	 probe_82802ab, erase_82802ab,	write_82802ab,	NULL},
+	{"MD-2802 (M-Systems DiskOnChip Millennium Module)",
+	 MSYSTEMS_ID, MSYSTEMS_MD2802,
+	 NULL, 8, 8 * 1024,
+	 probe_md2802, erase_md2802, write_md2802, read_md2802},
+	{NULL,}
+};
+
+char *chip_to_probe = NULL;
+
+struct flashchip *probe_flash(struct flashchip *flash)
+{
+	int fd_mem;
+	volatile char *bios;
+	unsigned long size;
+
+	if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
+		perror("Can not open /dev/mem");
+		exit(1);
+	}
+
+	while (flash->name != NULL) {
+		if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0) {
+			flash++;
+			continue;
+		}
+		printf("Trying %s, %d KB\n", flash->name, flash->total_size);
+		size = flash->total_size * 1024;
+		/* BUG? what happens if getpagesize() > size!?
+		   -> ``Error MMAP /dev/mem: Invalid argument'' NIKI */
+		if (getpagesize() > size) {
+			size = getpagesize();
+			printf("%s: warning: size: %d -> %ld\n",
+			       __FUNCTION__, flash->total_size * 1024,
+			       (unsigned long) size);
+		}
+		bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+			    fd_mem, (off_t) (0xffffffff - size + 1));
+		if (bios == MAP_FAILED) {
+			perror("Error MMAP /dev/mem");
+			exit(1);
+		}
+		flash->virt_addr = bios;
+		flash->fd_mem = fd_mem;
+
+		if (flash->probe(flash) == 1) {
+			printf("%s found at physical address: 0x%lx\n",
+			       flash->name, (0xffffffff - size + 1));
+			return flash;
+		}
+		munmap((void *) bios, size);
+		flash++;
+	}
+	return NULL;
+}
+
+int verify_flash(struct flashchip *flash, char *buf, int verbose)
+{
+	int i;
+	int total_size = flash->total_size * 1024;
+	volatile char *bios = flash->virt_addr;
+
+	printf("Verifying address: ");
+	for (i = 0; i < total_size; i++) {
+		if (verbose)
+			printf("0x%08x", i);
+		if (*(bios + i) != *(buf + i)) {
+			printf("FAILED\n");
+			return 0;
+		}
+		if (verbose)
+			printf("\b\b\b\b\b\b\b\b\b\b");
+	}
+	if (verbose)
+		printf("\n");
+	else
+		printf("VERIFIED\n");
+	return 1;
+}
+
+
+void usage(const char *name)
+{
+	printf("usage: %s [-rwv] [-c chipname] [-s exclude_start] [-e exclude_end] [file]\n", name);
+	printf("-r: read flash and save into file\n"
+	       "-w: write file into flash (default when file is specified)\n"
+	       "-v: verify flash against file\n"
+	       "-c: probe only for specified flash chip\n"
+	       "-s: exclude start position\n"
+	       "-e: exclude end postion\n"
+	       " If no file is specified, then all that happens\n"
+	       " is that flash info is dumped\n");
+	exit(1);
+}
+
+int exclude_start_page, exclude_end_page;
+
+int main(int argc, char *argv[])
+{
+	char *buf;
+	unsigned long size;
+	FILE *image;
+	struct flashchip *flash;
+	int opt;
+	int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0,
+		verbose = 0;
+	char *filename = NULL;
+
+
+        unsigned int exclude_start_position=0, exclude_end_position=0; // [x,y)
+	char *tempstr=NULL;
+
+	if (argc > 1) {
+		/* Yes, print them. */
+		int i;
+		printf ("The arguments are:\n");
+		for (i = 1; i < argc; ++i)
+			printf ("%s\n", argv[i]);
+	}
+
+	setbuf(stdout, NULL);
+
+	while ((opt = getopt(argc, argv, "rwvVEc:s:e:")) != EOF) {
+		switch (opt) {
+		case 'r':
+			read_it = 1;
+			break;
+		case 'w':
+			write_it = 1;
+			break;
+		case 'v':
+			verify_it = 1;
+			break;
+		case 'c':
+			chip_to_probe = strdup(optarg);
+			break;
+		case 'V':
+			verbose = 1;
+			break;
+		case 'E':
+			erase_it = 1;
+			break;
+		case 's':
+			tempstr = strdup(optarg);
+			sscanf(tempstr,"%x",&exclude_start_position);
+			break;
+		case 'e':
+			tempstr = strdup(optarg);
+			sscanf(tempstr,"%x",&exclude_end_position);
+			break;
+
+		default:
+			usage(argv[0]);
+			break;
+		}
+	}
+
+	if (read_it && write_it) {
+		printf("-r and -w are mutually exclusive\n");
+		usage(argv[0]);
+	}
+
+	if (optind < argc)
+		filename = argv[optind++];
+
+	printf("Calibrating timer since microsleep sucks ... takes a second\n");
+	myusec_calibrate_delay();
+	printf("OK, calibrated, now do the deed\n");
+
+	/* try to enable it. Failure IS an option, since not all motherboards
+	 * really need this to be done, etc., etc. It sucks.
+	 */
+	(void) enable_flash_write();
+
+	if ((flash = probe_flash(flashchips)) == NULL) {
+		printf("EEPROM not found\n");
+		exit(1);
+	}
+
+	printf("Part is %s\n", flash->name);
+	if (!filename && !erase_it) {
+		printf("OK, only ENABLING flash write, but NOT FLASHING\n");
+		return 0;
+	}
+	size = flash->total_size * 1024;
+	buf = (char *) calloc(size, sizeof(char));
+
+	if (erase_it) {
+		printf("Erasing flash chip\n");
+		flash->erase(flash);
+		exit(0);		
+	} else if (read_it) {
+		if ((image = fopen(filename, "w")) == NULL) {
+			perror(filename);
+			exit(1);
+		}
+		printf("Reading Flash...");
+		if (flash->read == NULL)
+			memcpy(buf, (const char *) flash->virt_addr, size);
+		else
+			flash->read(flash, buf);
+
+		if (exclude_end_position - exclude_start_position > 0)
+			memset(buf+exclude_start_position, 0,
+			       exclude_end_position-exclude_start_position);
+
+		fwrite(buf, sizeof(char), size, image);
+		fclose(image);
+		printf("done\n");
+	} else {
+		if ((image = fopen(filename, "r")) == NULL) {
+			perror(filename);
+			exit(1);
+		}
+		fread(buf, sizeof(char), size, image);
+		fclose(image);
+	}
+
+	if (exclude_end_position - exclude_start_position > 0)
+		memcpy(buf+exclude_start_position,
+		       (const char *) flash->virt_addr+exclude_start_position, 
+		       exclude_end_position-exclude_start_position);
+
+        exclude_start_page = exclude_start_position/flash->page_size;
+	if ((exclude_start_position%flash->page_size) != 0) {
+		exclude_start_page++;
+	}
+	exclude_end_page = exclude_end_position/flash->page_size;
+
+	if (write_it || (!read_it && !verify_it)) {
+		flash->write(flash, buf);
+	}	
+	if (verify_it)
+		verify_flash(flash, buf, verbose);
+	return 0;
+}