2 * (C) Copyright 2007 Schindler Lift Inc.
3 * (C) Copyright 2007 DENX Software Engineering
5 * Author: Michel Marti <mma@objectxp.com>
6 * Adapted for U-Boot 1.2 by Piotr Kruszynski <ppk@semihalf.com>:
8 * - bugfix for overwriting bootargs by user
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
38 extern long do_fat_read(const char *, void *, unsigned long, int);
39 extern int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
41 static int load_rescue_image(ulong);
43 void cm5200_fwupdate(void)
49 char * const argv[3] = { "bootm", ka, NULL };
51 /* Check if rescue system is disabled... */
52 if (getenv("norescue")) {
53 printf(LOG_PREFIX "Rescue System disabled.\n");
57 /* Check if we have a USB storage device and load image */
58 if (load_rescue_image(LOAD_ADDR))
61 bcmd = find_cmd("bootm");
65 sprintf(ka, "%lx", (ulong)LOAD_ADDR);
67 /* prepare our bootargs */
68 rsargs = getenv("rs-args");
72 tmp = malloc(strlen(rsargs+1));
74 printf(LOG_PREFIX "Memory allocation failed\n");
81 setenv("bootargs", rsargs);
86 printf(LOG_PREFIX "Starting update system (bootargs=%s)...\n", rsargs);
87 do_bootm(bcmd, 0, 2, argv);
90 static int load_rescue_image(ulong addr)
92 disk_partition_t info;
101 char * const argv[6] = { "fatload", "usb", dev, addr_str, nxri, NULL };
102 block_dev_desc_t *stor_dev = NULL;
105 /* Get name of firmware directory */
106 tmp = getenv("fw-dir");
108 /* Copy it into fwdir */
109 strncpy(fwdir, tmp ? tmp : FW_DIR, sizeof(fwdir));
110 fwdir[sizeof(fwdir) - 1] = 0; /* Terminate string */
112 printf(LOG_PREFIX "Checking for firmware image directory '%s' on USB"
113 " storage...\n", fwdir);
118 /* Check for storage device */
119 if (usb_stor_scan(1) != 0) {
124 /* Detect storage device */
125 for (devno = 0; devno < USB_MAX_STOR_DEV; devno++) {
126 stor_dev = usb_stor_get_dev(devno);
127 if (stor_dev->type != DEV_TYPE_UNKNOWN)
130 if (!stor_dev || stor_dev->type == DEV_TYPE_UNKNOWN) {
131 printf(LOG_PREFIX "No valid storage device found...\n");
136 /* Detect partition */
137 for (partno = -1, i = 0; i < 6; i++) {
138 if (get_partition_info(stor_dev, i, &info) == 0) {
139 if (fat_register_device(stor_dev, i) == 0) {
140 /* Check if rescue image is present */
141 FW_DEBUG("Looking for firmware directory '%s'"
142 " on partition %d\n", fwdir, i);
143 if (do_fat_read(fwdir, NULL, 0, LS_NO) == -1) {
144 FW_DEBUG("No NX rescue image on "
145 "partition %d.\n", i);
149 FW_DEBUG("Partition %d contains "
150 "firmware directory\n", partno);
160 printf(LOG_PREFIX "Error: No valid (FAT) partition "
164 printf(LOG_PREFIX "Error: No NX rescue image on FAT "
168 printf(LOG_PREFIX "Error: Failed with code %d\n",
175 /* Load the rescue image */
176 bcmd = find_cmd("fatload");
178 printf(LOG_PREFIX "Error - 'fatload' command not present.\n");
183 tmp = getenv("nx-rescue-image");
184 sprintf(nxri, "%s/%s", fwdir, tmp ? tmp : RESCUE_IMAGE);
185 sprintf(dev, "%d:%d", devno, partno);
186 sprintf(addr_str, "%lx", addr);
188 FW_DEBUG("fat_fsload device='%s', addr='%s', file: %s\n",
189 dev, addr_str, nxri);
191 if (do_fat_fsload(bcmd, 0, 5, argv) != 0) {