1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2019 Rockchip Electronics Co., Ltd
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <malloc.h>
9*4882a593Smuzhiyun
do_rkimg_test(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])10*4882a593Smuzhiyun static int do_rkimg_test(cmd_tbl_t *cmdtp, int flag,
11*4882a593Smuzhiyun int argc, char *const argv[])
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun struct blk_desc *dev_desc;
14*4882a593Smuzhiyun u32 *buffer;
15*4882a593Smuzhiyun int ret;
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun if (argc != 3)
18*4882a593Smuzhiyun return CMD_RET_USAGE;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun dev_desc = blk_get_dev(argv[1], simple_strtoul(argv[2], NULL, 16));
21*4882a593Smuzhiyun if (!dev_desc) {
22*4882a593Smuzhiyun printf("%s: dev_desc is NULL!\n", __func__);
23*4882a593Smuzhiyun return CMD_RET_FAILURE;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* read one block from beginning of IDB data */
27*4882a593Smuzhiyun buffer = memalign(ARCH_DMA_MINALIGN, 1024);
28*4882a593Smuzhiyun ret = blk_dread(dev_desc, 64, 2, buffer);
29*4882a593Smuzhiyun if (ret != 2) {
30*4882a593Smuzhiyun printf("%s: Failed to read data from IDB\n", __func__);
31*4882a593Smuzhiyun free(buffer);
32*4882a593Smuzhiyun return CMD_RET_FAILURE;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun if (buffer[0] == 0xFCDC8C3B) {
36*4882a593Smuzhiyun ret = CMD_RET_SUCCESS;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun if (!strcmp("mmc", argv[1]))
39*4882a593Smuzhiyun printf("Found IDB in SDcard\n");
40*4882a593Smuzhiyun else
41*4882a593Smuzhiyun printf("Found IDB in U-disk\n");
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /* TAG in IDB */
44*4882a593Smuzhiyun if (0 == buffer[128 + 104 / 4]) {
45*4882a593Smuzhiyun if (!strcmp("mmc", argv[1]))
46*4882a593Smuzhiyun env_update("bootargs", "sdfwupdate");
47*4882a593Smuzhiyun else
48*4882a593Smuzhiyun env_update("bootargs", "usbfwupdate");
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun } else if (buffer[0] == 0x534e4b52 || buffer[0] == 0x534e5252) {
51*4882a593Smuzhiyun /* The 0x534e4b52 & 0x534e5252 are the new idb block header tag */
52*4882a593Smuzhiyun ret = CMD_RET_SUCCESS;
53*4882a593Smuzhiyun } else {
54*4882a593Smuzhiyun ret = CMD_RET_FAILURE;
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun free(buffer);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun return ret;
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun U_BOOT_CMD(
63*4882a593Smuzhiyun rkimgtest, 3, 0, do_rkimg_test,
64*4882a593Smuzhiyun "Test if storage media have rockchip image",
65*4882a593Smuzhiyun "<devtype> <devnum>"
66*4882a593Smuzhiyun );
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