--- /dev/null
+/*
+ * mtd.c
+ *
+ * Copyright (C) 2005 Waldemar Brodkorb
+ *
+ * $Id$
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * mtd utility for the openwrt project
+ * it is mainly code from the linux-mtd project, which accepts the same
+ * command line arguments as the broadcom utility
+ *
+ */
+
+#include <limits.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <error.h>
+#include <time.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <string.h>
+
+#include <linux/mtd/mtd.h>
+
+/* trx header */
+#define TRX_MAGIC 0x30524448 /* "HDR0" */
+#define TRX_VERSION 1
+#define TRX_MAX_LEN 0x3A0000
+#define TRX_NO_HEADER 1 /* Do not write TRX header */
+
+struct trx_header {
+ uint32_t magic; /* "HDR0" */
+ uint32_t len; /* Length of file including header */
+ uint32_t crc32; /* 32-bit CRC from flag_version to end of file */
+ uint32_t flag_version; /* 0:15 flags, 16:31 version */
+ uint32_t offsets[3]; /* Offsets of partitions from start of header */
+};
+
+#define BUFSIZE (10 * 1024)
+
+extern int mtd_open(const char *mtd, int flags);
+extern int mtd_erase(const char *mtd);
+extern int mtd_write(const char *trxfile, const char *mtd);
+
+int
+mtd_unlock(const char *mtd)
+{
+ int fd;
+ struct mtd_info_user mtdInfo;
+ struct erase_info_user mtdLockInfo;
+
+ fd = mtd_open(mtd, O_RDWR);
+ if(fd < 0) {
+ fprintf(stderr, "Could not open mtd device: %s\n", mtd);
+ exit(1);
+ }
+
+ if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
+ fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
+ close(fd);
+ exit(1);
+ }
+
+ mtdLockInfo.start = 0;
+ mtdLockInfo.length = mtdInfo.size;
+ if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) {
+ fprintf(stderr, "Could not unlock MTD device: %s\n", mtd);
+ close(fd);
+ exit(1);
+ }
+
+ close(fd);
+ return 0;
+}
+
+int
+mtd_open(const char *mtd, int flags)
+{
+ FILE *fp;
+ char dev[PATH_MAX];
+ int i;
+
+ if ((fp = fopen("/proc/mtd", "r"))) {
+ while (fgets(dev, sizeof(dev), fp)) {
+ if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) {
+ snprintf(dev, sizeof(dev), "/dev/mtd/%d", i);
+ fclose(fp);
+ return open(dev, flags);
+ }
+ }
+ fclose(fp);
+ }
+
+ return open(mtd, flags);
+}
+
+int
+mtd_erase(const char *mtd)
+{
+ int fd;
+ struct mtd_info_user mtdInfo;
+ struct erase_info_user mtdEraseInfo;
+
+ fd = mtd_open(mtd, O_RDWR);
+ if(fd < 0) {
+ fprintf(stderr, "Could not open mtd device: %s\n", mtd);
+ exit(1);
+ }
+
+ if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
+ fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
+ close(fd);
+ exit(1);
+ }
+
+ mtdEraseInfo.length = mtdInfo.erasesize;
+
+ for (mtdEraseInfo.start = 0;
+ mtdEraseInfo.start < mtdInfo.size;
+ mtdEraseInfo.start += mtdInfo.erasesize) {
+
+ if(ioctl(fd, MEMUNLOCK, &mtdEraseInfo)) {
+ fprintf(stderr, "Could not unlock MTD device: %s\n", mtd);
+ close(fd);
+ exit(1);
+ }
+ if(ioctl(fd, MEMERASE, &mtdEraseInfo)) {
+ fprintf(stderr, "Could not erase MTD device: %s\n", mtd);
+ close(fd);
+ exit(1);
+ }
+ }
+
+ close(fd);
+ return 0;
+
+}
+
+int
+mtd_write(const char *trxfile, const char *mtd)
+{
+ int fd;
+ int trxfd;
+ int i;
+ size_t result,size,written;
+ struct mtd_info_user mtdInfo;
+ struct erase_info_user mtdEraseInfo;
+ struct stat trxstat;
+ unsigned char src[BUFSIZE],dest[BUFSIZE];
+
+ fd = mtd_open(mtd, O_RDWR);
+ if(fd < 0) {
+ fprintf(stderr, "Could not open mtd device: %s\n", mtd);
+ exit(1);
+ }
+
+ if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
+ fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
+ close(fd);
+ exit(1);
+ }
+
+ trxfd = open(trxfile,O_RDONLY);
+ if(trxfd < 0) {
+ fprintf(stderr, "Could not open trx image: %s\n", trxfile);
+ exit(1);
+ }
+
+ if (fstat (trxfd,&trxstat) < 0) {
+ fprintf(stderr, "Could not get trx image file status: %s\n", trxfile);
+ close(trxfd);
+ exit(1);
+ }
+
+ if(mtdInfo.size < trxstat.st_size) {
+ fprintf(stderr, "image to big for mtd partition: %s\n", mtd);
+ close(trxfd);
+ exit(1);
+ }
+
+ mtdEraseInfo.start = 0;
+ mtdEraseInfo.length = trxstat.st_size & ~(mtdInfo.erasesize -1);
+ if(trxstat.st_size % mtdInfo.erasesize) mtdEraseInfo.length += mtdInfo.erasesize;
+
+ /* erase the chunk */
+ if (ioctl (fd,MEMERASE,&mtdEraseInfo) < 0) {
+ fprintf(stderr, "erasing mtd failed: %s\n", mtd);
+ exit(1);
+ }
+
+ size = trxstat.st_size;
+ i = BUFSIZE;
+ written = 0;
+
+ while (size) {
+ if (size < BUFSIZE) i = size;
+ read(trxfd,src,i);
+ result = write(fd,src,i);
+ if (i != result) {
+ if (result < 0) {
+ fprintf(stderr,"error while writing image");
+ exit(1);
+ }
+ fprintf(stderr,"error writing image");
+ exit(1);
+ }
+ written += i;
+ size -= i;
+ }
+
+ return 0;
+}
+
+int main(int argc, char **argv) {
+ if(argc == 3 && strcasecmp(argv[1],"unlock")==0) {
+ printf("Unlocking %s\n",argv[2]);
+ return mtd_unlock(argv[2]);
+ }
+ if(argc == 3 && strcasecmp(argv[1],"erase")==0) {
+ printf("Erasing %s\n",argv[2]);
+ return mtd_erase(argv[2]);
+ }
+ if(argc == 4 && strcasecmp(argv[1],"write")==0) {
+ printf("Writing %s to %s\n",argv[2],argv[3]);
+ return mtd_write(argv[2],argv[3]);
+ }
+
+ printf("no valid command given\n");
+ return -1;
+}
+
--- /dev/null
+#############################################################
+#
+# openwrt tools
+#
+#############################################################
+
+OPENWRT_SITE=http://openwrt.openbsd-geek.de
+
+# shared library
+OPENWRT_SHARED_SOURCE=openwrt-shared.tar.gz
+OPENWRT_SHARED_DIR=$(BUILD_DIR)/openwrt-shared
+OPENWRT_SHARED_TARGET_BINARY:=usr/lib/libshared.so
+
+$(DL_DIR)/$(OPENWRT_SHARED_SOURCE):
+ $(WGET) -P $(DL_DIR) $(OPENWRT_SITE)/$(OPENWRT_SHARED_SOURCE)
+
+$(OPENWRT_SHARED_DIR)/.source: $(DL_DIR)/$(OPENWRT_SHARED_SOURCE)
+ zcat $(DL_DIR)/$(OPENWRT_SHARED_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+ touch $(OPENWRT_SHARED_DIR)/.source
+
+$(TARGET_DIR)/$(OPENWRT_SHARED_TARGET_BINARY): $(OPENWRT_SHARED_DIR)/.source
+ $(MAKE) -C $(OPENWRT_SHARED_DIR) -f Makefile-openwrt \
+ INSTALLDIR=$(TARGET_DIR) \
+ CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld STRIP="$(STRIP)" \
+ CFLAGS="$(TARGET_CFLAGS) -I. -I../binary/include -Wall -I$(OPENWRT_SRCBASE)/" \
+ install
+
+openwrt-shared: $(TARGET_DIR)/$(OPENWRT_SHARED_TARGET_BINARY)
+
+openwrt-shared-clean:
+ -$(MAKE) -C $(OPENWRT_SHARED_DIR) clean
+
+
+# nvram tool
+OPENWRT_NVRAM_SOURCE=openwrt-nvram.tar.gz
+OPENWRT_NVRAM_DIR=$(BUILD_DIR)/openwrt-nvram
+OPENWRT_NVRAM_TARGET_BINARY:=usr/sbin/nvram
+
+$(DL_DIR)/$(OPENWRT_NVRAM_SOURCE):
+ $(WGET) -P $(DL_DIR) $(OPENWRT_SITE)/$(OPENWRT_NVRAM_SOURCE)
+
+$(OPENWRT_NVRAM_DIR)/.source: $(DL_DIR)/$(OPENWRT_NVRAM_SOURCE)
+ zcat $(DL_DIR)/$(OPENWRT_NVRAM_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+ touch $(OPENWRT_NVRAM_DIR)/.source
+
+$(TARGET_DIR)/$(OPENWRT_NVRAM_TARGET_BINARY): $(OPENWRT_NVRAM_DIR)/.source
+ $(MAKE) -C $(OPENWRT_NVRAM_DIR) INSTALLDIR=$(TARGET_DIR) \
+ CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld STRIP="$(STRIP)" \
+ CFLAGS="$(TARGET_CFLAGS) -I. -I../binary/include -Wall -DOPENWRT_NVRAM" \
+ install
+
+openwrt-nvram: $(TARGET_DIR)/$(OPENWRT_NVRAM_TARGET_BINARY)
+
+openwrt-nvram-clean:
+ -$(MAKE) -C $(OPENWRT_NVRAM_BUILD_DIR) clean
+
+# mtd tool
+OPENWRT_MTD_SOURCE=package/openwrt/mtd.c
+OPENWRT_MTD_TARGET_BINARY:=sbin/mtd
+
+$(TARGET_DIR)/$(OPENWRT_MTD_TARGET_BINARY):
+ $(TARGET_CC) -o $(TARGET_DIR)/$(OPENWRT_MTD_TARGET_BINARY) $(OPENWRT_MTD_SOURCE)
+
+openwrt-mtd: $(TARGET_DIR)/$(OPENWRT_MTD_TARGET_BINARY)
+
+# wlconf tool
+OPENWRT_WLCONF_SOURCE=openwrt-wlconf.tar.gz
+OPENWRT_WLCONF_DIR=$(BUILD_DIR)/openwrt-wlconf
+OPENWRT_WLCONF_TARGET_BINARY:=usr/sbin/wlconf
+
+$(DL_DIR)/$(OPENWRT_WLCONF_SOURCE):
+ $(WGET) -P $(DL_DIR) $(OPENWRT_SITE)/$(OPENWRT_WLCONF_SOURCE)
+
+$(OPENWRT_WLCONF_DIR)/.source: $(DL_DIR)/$(OPENWRT_WLCONF_SOURCE)
+ zcat $(DL_DIR)/$(OPENWRT_WLCONF_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+ touch $(OPENWRT_WLCONF_DIR)/.source
+
+$(TARGET_DIR)/$(OPENWRT_WLCONF_TARGET_BINARY): $(OPENWRT_WLCONF_DIR)/.source
+ $(MAKE) -C $(OPENWRT_WLCONF_DIR) INSTALLDIR=$(TARGET_DIR) \
+ CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld STRIP="$(STRIP)" \
+ CFLAGS="$(TARGET_CFLAGS) -I. -I../binary/include -I$(BUILD_DIR)/openwrt-shared \
+ -I$(BUILD_DIR)/openwrt-nvram -Wall -DOPENWRT_WLCONF" \
+ LDFLAGS="-lnvram -lshared -L$(BUILD_DIR)/openwrt-shared -L$(BUILD_DIR)/openwrt-nvram" \
+ install
+
+openwrt-wlconf: $(TARGET_DIR)/$(OPENWRT_WLCONF_TARGET_BINARY)
+
+openwrt-wlconf-clean:
+ -$(MAKE) -C $(OPENWRT_WLCONF_BUILD_DIR) clean
+
+
+openwrt: openwrt-shared openwrt-nvram openwrt-mtd openwrt-wlconf
+
+
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