Initial revision

1 files changed, 179 insertions, 0 deletions

diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
new file mode 100644
index 0000000..fc1d9c4
--- /dev/null
+++ b/common/cmd_jffs2.c
@@ -0,0 +1,179 @@
+/*
+ * (C) Copyright 2002
+ * 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
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <command.h>
+#include <cmd_boot.h>
+#include <cmd_autoscript.h>
+#include <s_record.h>
+#include <net.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
+
+#include <jffs2/jffs2.h>
+static int part_num=0;
+
+#ifndef CFG_JFFS_CUSTOM_PART
+
+static struct part_info part;
+
+struct part_info*
+jffs2_part_info(int part_num)
+{
+	extern flash_info_t flash_info[];	/* info for FLASH chips */
+	int i;
+
+	if(part_num==0){
+
+		if(part.usr_priv==(void*)1)
+			return &part;
+
+		memset(&part, 0, sizeof(part));
+
+#if defined(CFG_JFFS2_FIRST_SECTOR)
+		part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR];
+#else
+		part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[0];
+#endif
+
+		/* Figure out flash partition size */
+		for (i = CFG_JFFS2_FIRST_BANK; i < CFG_JFFS2_NUM_BANKS+CFG_JFFS2_FIRST_BANK; i++)
+			part.size += flash_info[i].size;
+
+#if defined(CFG_JFFS2_FIRST_SECTOR) && (CFG_JFFS2_FIRST_SECTOR > 0)
+		part.size -=
+			flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] -
+			flash_info[CFG_JFFS2_FIRST_BANK].start[0];
+#endif
+
+		/* unused in current jffs2 loader */
+		part.erasesize = 0;
+
+		/* Mark the struct as ready */
+		part.usr_priv=(void*)1;
+
+		return &part;
+	}
+	return 0;
+}
+#endif /* ifndef CFG_JFFS_CUSTOM_PART */
+int
+do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	char *filename = "pImage";
+	ulong offset = CFG_LOAD_ADDR;
+	int size;
+	struct part_info *part;
+
+	if (argc == 2) {
+		filename = argv[1];
+	}
+	if (argc == 3) {
+		offset = simple_strtoul(argv[1], NULL, 16);
+		filename = argv[2];
+	}
+
+	if (0 != (part=jffs2_part_info(part_num))){
+
+		printf("### JFFS2 loading '%s' to 0x%lx\n", filename, offset);
+		size = jffs2_1pass_load((char *)offset, part, filename);
+
+		if (size > 0) {
+			char buf[10];
+			printf("### JFFS2 load complete: %d bytes loaded to 0x%lx\n",
+				size, offset);
+			sprintf(buf, "%x", size);
+			setenv("filesize", buf);
+		} else {
+			printf("### JFFS2 LOAD ERROR<%x> for %s!\n", size, filename);
+		}
+
+		return !(size > 0);
+	}
+	printf("Active partition not valid\n");
+	return 0;
+}
+
+int
+do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	char *filename = "/";
+	int ret;
+	struct part_info *part;
+
+	if (argc == 2)
+		filename = argv[1];
+
+	if (0 != (part=jffs2_part_info(part_num))){
+
+		ret = jffs2_1pass_ls(jffs2_part_info(part_num), filename);
+
+		return (ret == 1);
+	}
+	printf("Active partition not valid\n");
+	return 0;
+}
+
+int
+do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int ret;
+	struct part_info *part;
+
+	if (0 != (part=jffs2_part_info(part_num))){
+
+		ret = jffs2_1pass_info(jffs2_part_info(part_num));
+
+		return (ret == 1);
+	}
+	printf("Active partition not valid\n");
+	return 0;
+}
+
+int
+do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int tmp_part;
+
+	if (argc >= 2) {
+		tmp_part = simple_strtoul(argv[1], NULL, 16);
+	}else{
+		printf("Need partition number in argument list\n");
+		return 0;
+
+	}
+
+	if (jffs2_part_info(tmp_part)){
+		printf("Partiton changed to %d\n",tmp_part);
+		part_num=tmp_part;
+		return 0;
+	}
+
+	printf("Partition %d is not valid partiton\n",tmp_part);
+	return 0;
+
+}
+#endif /* CFG_CMD_JFFS2 */