]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/cm5200/fwupdate.c
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 * SPDX-License-Identifier: GPL-2.0+
22 extern long do_fat_read(const char *, void *, unsigned long, int);
23 extern int do_fat_fsload(cmd_tbl_t
*, int, int, char * const []);
25 static int load_rescue_image(ulong
);
27 void cm5200_fwupdate(void)
33 char * const argv
[3] = { "bootm", ka
, NULL
};
35 /* Check if rescue system is disabled... */
36 if (getenv("norescue")) {
37 printf(LOG_PREFIX
"Rescue System disabled.\n");
41 /* Check if we have a USB storage device and load image */
42 if (load_rescue_image(LOAD_ADDR
))
45 bcmd
= find_cmd("bootm");
49 sprintf(ka
, "%lx", (ulong
)LOAD_ADDR
);
51 /* prepare our bootargs */
52 rsargs
= getenv("rs-args");
56 tmp
= malloc(strlen(rsargs
+1));
58 printf(LOG_PREFIX
"Memory allocation failed\n");
65 setenv("bootargs", rsargs
);
70 printf(LOG_PREFIX
"Starting update system (bootargs=%s)...\n", rsargs
);
71 do_bootm(bcmd
, 0, 2, argv
);
74 static int load_rescue_image(ulong addr
)
76 disk_partition_t info
;
85 char * const argv
[6] = { "fatload", "usb", dev
, addr_str
, nxri
, NULL
};
86 block_dev_desc_t
*stor_dev
= NULL
;
89 /* Get name of firmware directory */
90 tmp
= getenv("fw-dir");
92 /* Copy it into fwdir */
93 strncpy(fwdir
, tmp
? tmp
: FW_DIR
, sizeof(fwdir
));
94 fwdir
[sizeof(fwdir
) - 1] = 0; /* Terminate string */
96 printf(LOG_PREFIX
"Checking for firmware image directory '%s' on USB"
97 " storage...\n", fwdir
);
102 /* Check for storage device */
103 if (usb_stor_scan(1) != 0) {
108 /* Detect storage device */
109 for (devno
= 0; devno
< USB_MAX_STOR_DEV
; devno
++) {
110 stor_dev
= usb_stor_get_dev(devno
);
111 if (stor_dev
->type
!= DEV_TYPE_UNKNOWN
)
114 if (!stor_dev
|| stor_dev
->type
== DEV_TYPE_UNKNOWN
) {
115 printf(LOG_PREFIX
"No valid storage device found...\n");
120 /* Detect partition */
121 for (partno
= -1, i
= 0; i
< 6; i
++) {
122 if (get_partition_info(stor_dev
, i
, &info
) == 0) {
123 if (fat_register_device(stor_dev
, i
) == 0) {
124 /* Check if rescue image is present */
125 FW_DEBUG("Looking for firmware directory '%s'"
126 " on partition %d\n", fwdir
, i
);
127 if (do_fat_read(fwdir
, NULL
, 0, LS_NO
) == -1) {
128 FW_DEBUG("No NX rescue image on "
129 "partition %d.\n", i
);
133 FW_DEBUG("Partition %d contains "
134 "firmware directory\n", partno
);
144 printf(LOG_PREFIX
"Error: No valid (FAT) partition "
148 printf(LOG_PREFIX
"Error: No NX rescue image on FAT "
152 printf(LOG_PREFIX
"Error: Failed with code %d\n",
159 /* Load the rescue image */
160 bcmd
= find_cmd("fatload");
162 printf(LOG_PREFIX
"Error - 'fatload' command not present.\n");
167 tmp
= getenv("nx-rescue-image");
168 sprintf(nxri
, "%s/%s", fwdir
, tmp
? tmp
: RESCUE_IMAGE
);
169 sprintf(dev
, "%d:%d", devno
, partno
);
170 sprintf(addr_str
, "%lx", addr
);
172 FW_DEBUG("fat_fsload device='%s', addr='%s', file: %s\n",
173 dev
, addr_str
, nxri
);
175 if (do_fat_fsload(bcmd
, 0, 5, argv
) != 0) {