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authorSascha Hauer <s.hauer@pengutronix.de>2007-07-05 18:02:14 +0200
committerSascha Hauer <sha@octopus.labnet.pengutronix.de>2007-07-05 18:02:14 +0200
commitb2c5310d4da56237571bb8ea8d24b030c941030f (patch)
treec2c39f8c1ebdad8c3e69af86cb3c105434212edd /commands/flash.c
parentfda840672d0eb662ddf4c7080532fe2dfeb0b0b1 (diff)
downloadbarebox-b2c5310d4da56237571bb8ea8d24b030c941030f.tar.gz
barebox-b2c5310d4da56237571bb8ea8d24b030c941030f.tar.xz
svn_rev_653
restructure tree, add reginfo command
Diffstat (limited to 'commands/flash.c')
-rw-r--r--commands/flash.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/commands/flash.c b/commands/flash.c
new file mode 100644
index 0000000000..db059dba58
--- /dev/null
+++ b/commands/flash.c
@@ -0,0 +1,125 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+/*
+ * FLASH support
+ */
+#include <common.h>
+#include <command.h>
+#include <cfi_flash.h>
+#include <errno.h>
+#include <getopt.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <linux/stat.h>
+
+int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int opt, fd;
+ char *filename = NULL;
+ struct stat s;
+ unsigned long start = 0, size = ~0;
+
+ getopt_reset();
+
+ while((opt = getopt(argc, argv, "f:")) > 0) {
+ switch(opt) {
+ case 'f':
+ filename = optarg;
+ break;
+ }
+ }
+
+ if (stat(filename, &s)) {
+ printf("stat %s:", filename, errno_str());
+ return 1;
+ }
+
+ size = s.st_size;
+
+ if (!filename) {
+ printf("missing filename\n");
+ return 1;
+ }
+
+ fd = open(filename, O_WRONLY);
+ if (fd < 0) {
+ printf("open %s:", filename, errno_str());
+ return 1;
+ }
+
+ if (optind < argc)
+ parse_area_spec(argv[optind], &start, &size);
+
+ if(erase(fd, size, start)) {
+ perror("erase");
+ return 1;
+ }
+
+ close(fd);
+
+ return 0;
+}
+
+U_BOOT_CMD_START(erase)
+ .maxargs = CONFIG_MAXARGS,
+ .cmd = do_flerase,
+ .usage = "erase FLASH memory",
+ U_BOOT_CMD_HELP("write me\n")
+U_BOOT_CMD_END
+
+int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int p;
+ int rcode = 0;
+ struct memarea_info mem_info;
+
+ if (argc < 3) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ if (strcmp(argv[1], "off") == 0) {
+ p = 0;
+ } else if (strcmp(argv[1], "on") == 0) {
+ p = 1;
+ } else {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ if (spec_str_to_info(argv[2], &mem_info)) {
+ printf ("-EPARSE\n");
+ return 1;
+ }
+
+// rcode = flash_sect_protect (p, addr_first, addr_last);
+ return rcode;
+}
+
+U_BOOT_CMD_START(protect)
+ .maxargs = 4,
+ .cmd = do_protect,
+ .usage = "enable or disable FLASH write protection",
+ U_BOOT_CMD_HELP("write me\n")
+U_BOOT_CMD_END