Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2007 Schindler Lift Inc. |
Bartlomiej Sieka | 86b116b | 2007-08-03 12:08:16 +0200 | [diff] [blame] | 3 | * (C) Copyright 2007 DENX Software Engineering |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 4 | * |
| 5 | * Author: Michel Marti <mma@objectxp.com> |
| 6 | * Adapted for U-Boot 1.2 by Piotr Kruszynski <ppk@semihalf.com>: |
Bartlomiej Sieka | 86b116b | 2007-08-03 12:08:16 +0200 | [diff] [blame] | 7 | * - code clean-up |
| 8 | * - bugfix for overwriting bootargs by user |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 9 | * |
Wolfgang Denk | 3765b3e | 2013-10-07 13:07:26 +0200 | [diff] [blame] | 10 | * SPDX-License-Identifier: GPL-2.0+ |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 11 | */ |
| 12 | |
| 13 | #include <common.h> |
| 14 | #include <command.h> |
Stephen Warren | 26f8a4a | 2015-08-09 11:25:00 -0600 | [diff] [blame] | 15 | #include <fat.h> |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 16 | #include <malloc.h> |
| 17 | #include <image.h> |
| 18 | #include <usb.h> |
| 19 | #include <fat.h> |
| 20 | |
| 21 | #include "fwupdate.h" |
| 22 | |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 23 | static int load_rescue_image(ulong); |
| 24 | |
Bartlomiej Sieka | 86b116b | 2007-08-03 12:08:16 +0200 | [diff] [blame] | 25 | void cm5200_fwupdate(void) |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 26 | { |
| 27 | cmd_tbl_t *bcmd; |
| 28 | char *rsargs; |
| 29 | char *tmp = NULL; |
| 30 | char ka[16]; |
Wolfgang Denk | 54841ab | 2010-06-28 22:00:46 +0200 | [diff] [blame] | 31 | char * const argv[3] = { "bootm", ka, NULL }; |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 32 | |
| 33 | /* Check if rescue system is disabled... */ |
| 34 | if (getenv("norescue")) { |
| 35 | printf(LOG_PREFIX "Rescue System disabled.\n"); |
| 36 | return; |
| 37 | } |
| 38 | |
| 39 | /* Check if we have a USB storage device and load image */ |
| 40 | if (load_rescue_image(LOAD_ADDR)) |
| 41 | return; |
| 42 | |
| 43 | bcmd = find_cmd("bootm"); |
| 44 | if (!bcmd) |
| 45 | return; |
| 46 | |
Wolfgang Denk | 9b55a25 | 2008-07-11 01:16:00 +0200 | [diff] [blame] | 47 | sprintf(ka, "%lx", (ulong)LOAD_ADDR); |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 48 | |
| 49 | /* prepare our bootargs */ |
| 50 | rsargs = getenv("rs-args"); |
| 51 | if (!rsargs) |
| 52 | rsargs = RS_BOOTARGS; |
| 53 | else { |
| 54 | tmp = malloc(strlen(rsargs+1)); |
| 55 | if (!tmp) { |
| 56 | printf(LOG_PREFIX "Memory allocation failed\n"); |
| 57 | return; |
| 58 | } |
| 59 | strcpy(tmp, rsargs); |
| 60 | rsargs = tmp; |
| 61 | } |
| 62 | |
| 63 | setenv("bootargs", rsargs); |
| 64 | |
| 65 | if (rsargs == tmp) |
| 66 | free(rsargs); |
| 67 | |
| 68 | printf(LOG_PREFIX "Starting update system (bootargs=%s)...\n", rsargs); |
| 69 | do_bootm(bcmd, 0, 2, argv); |
| 70 | } |
| 71 | |
| 72 | static int load_rescue_image(ulong addr) |
| 73 | { |
| 74 | disk_partition_t info; |
| 75 | int devno; |
| 76 | int partno; |
| 77 | int i; |
| 78 | char fwdir[64]; |
| 79 | char nxri[128]; |
| 80 | char *tmp; |
| 81 | char dev[7]; |
| 82 | char addr_str[16]; |
Wolfgang Denk | 54841ab | 2010-06-28 22:00:46 +0200 | [diff] [blame] | 83 | char * const argv[6] = { "fatload", "usb", dev, addr_str, nxri, NULL }; |
Simon Glass | 4101f68 | 2016-02-29 15:25:34 -0700 | [diff] [blame] | 84 | struct blk_desc *stor_dev = NULL; |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 85 | cmd_tbl_t *bcmd; |
| 86 | |
| 87 | /* Get name of firmware directory */ |
| 88 | tmp = getenv("fw-dir"); |
| 89 | |
| 90 | /* Copy it into fwdir */ |
| 91 | strncpy(fwdir, tmp ? tmp : FW_DIR, sizeof(fwdir)); |
| 92 | fwdir[sizeof(fwdir) - 1] = 0; /* Terminate string */ |
| 93 | |
| 94 | printf(LOG_PREFIX "Checking for firmware image directory '%s' on USB" |
| 95 | " storage...\n", fwdir); |
| 96 | usb_stop(); |
| 97 | if (usb_init() != 0) |
| 98 | return 1; |
| 99 | |
| 100 | /* Check for storage device */ |
| 101 | if (usb_stor_scan(1) != 0) { |
| 102 | usb_stop(); |
| 103 | return 1; |
| 104 | } |
| 105 | |
| 106 | /* Detect storage device */ |
| 107 | for (devno = 0; devno < USB_MAX_STOR_DEV; devno++) { |
| 108 | stor_dev = usb_stor_get_dev(devno); |
| 109 | if (stor_dev->type != DEV_TYPE_UNKNOWN) |
| 110 | break; |
| 111 | } |
| 112 | if (!stor_dev || stor_dev->type == DEV_TYPE_UNKNOWN) { |
| 113 | printf(LOG_PREFIX "No valid storage device found...\n"); |
| 114 | usb_stop(); |
| 115 | return 1; |
| 116 | } |
| 117 | |
| 118 | /* Detect partition */ |
| 119 | for (partno = -1, i = 0; i < 6; i++) { |
Simon Glass | 3e8bd46 | 2016-02-29 15:25:48 -0700 | [diff] [blame] | 120 | if (part_get_info(stor_dev, i, &info) == 0) { |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 121 | if (fat_register_device(stor_dev, i) == 0) { |
| 122 | /* Check if rescue image is present */ |
| 123 | FW_DEBUG("Looking for firmware directory '%s'" |
| 124 | " on partition %d\n", fwdir, i); |
Stephen Warren | 26f8a4a | 2015-08-09 11:25:00 -0600 | [diff] [blame] | 125 | if (!fat_exists(fwdir)) { |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 126 | FW_DEBUG("No NX rescue image on " |
| 127 | "partition %d.\n", i); |
Bartlomiej Sieka | 86b116b | 2007-08-03 12:08:16 +0200 | [diff] [blame] | 128 | partno = -2; |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 129 | } else { |
| 130 | partno = i; |
| 131 | FW_DEBUG("Partition %d contains " |
| 132 | "firmware directory\n", partno); |
| 133 | break; |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | |
Bartlomiej Sieka | 86b116b | 2007-08-03 12:08:16 +0200 | [diff] [blame] | 139 | if (partno < 0) { |
| 140 | switch (partno) { |
| 141 | case -1: |
| 142 | printf(LOG_PREFIX "Error: No valid (FAT) partition " |
| 143 | "detected\n"); |
| 144 | break; |
| 145 | case -2: |
| 146 | printf(LOG_PREFIX "Error: No NX rescue image on FAT " |
| 147 | "partition\n"); |
| 148 | break; |
| 149 | default: |
| 150 | printf(LOG_PREFIX "Error: Failed with code %d\n", |
| 151 | partno); |
| 152 | } |
Bartlomiej Sieka | fa1df30 | 2007-07-11 20:11:07 +0200 | [diff] [blame] | 153 | usb_stop(); |
| 154 | return 1; |
| 155 | } |
| 156 | |
| 157 | /* Load the rescue image */ |
| 158 | bcmd = find_cmd("fatload"); |
| 159 | if (!bcmd) { |
| 160 | printf(LOG_PREFIX "Error - 'fatload' command not present.\n"); |
| 161 | usb_stop(); |
| 162 | return 1; |
| 163 | } |
| 164 | |
| 165 | tmp = getenv("nx-rescue-image"); |
| 166 | sprintf(nxri, "%s/%s", fwdir, tmp ? tmp : RESCUE_IMAGE); |
| 167 | sprintf(dev, "%d:%d", devno, partno); |
| 168 | sprintf(addr_str, "%lx", addr); |
| 169 | |
| 170 | FW_DEBUG("fat_fsload device='%s', addr='%s', file: %s\n", |
| 171 | dev, addr_str, nxri); |
| 172 | |
| 173 | if (do_fat_fsload(bcmd, 0, 5, argv) != 0) { |
| 174 | usb_stop(); |
| 175 | return 1; |
| 176 | } |
| 177 | |
| 178 | /* Stop USB */ |
| 179 | usb_stop(); |
| 180 | return 0; |
| 181 | } |