1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include <common.h>
7*4882a593Smuzhiyun #include <command.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <misc.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #ifdef CONFIG_ROCKCHIP_OTP
dump_otps(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])12*4882a593Smuzhiyun static int dump_otps(cmd_tbl_t *cmdtp, int flag,
13*4882a593Smuzhiyun int argc, char * const argv[])
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun struct udevice *dev;
16*4882a593Smuzhiyun u8 otps[64] = {0};
17*4882a593Smuzhiyun int ret;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun /* retrieve the device */
20*4882a593Smuzhiyun ret = uclass_get_device_by_driver(UCLASS_MISC,
21*4882a593Smuzhiyun DM_GET_DRIVER(rockchip_otp), &dev);
22*4882a593Smuzhiyun if (ret) {
23*4882a593Smuzhiyun printf("%s: no misc-device found\n", __func__);
24*4882a593Smuzhiyun return 0;
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun ret = misc_read(dev, 0, &otps, sizeof(otps));
28*4882a593Smuzhiyun if (ret) {
29*4882a593Smuzhiyun printf("%s: misc_read failed\n", __func__);
30*4882a593Smuzhiyun return 0;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun printf("otp-contents:\n");
34*4882a593Smuzhiyun print_buffer(0, otps, 1, 64, 16);
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun return 0;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun U_BOOT_CMD(
40*4882a593Smuzhiyun rockchip_dump_otps, 1, 1, dump_otps,
41*4882a593Smuzhiyun "Dump the content of the otps",
42*4882a593Smuzhiyun ""
43*4882a593Smuzhiyun );
44*4882a593Smuzhiyun #endif
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun #ifdef CONFIG_ROCKCHIP_EFUSE
dump_efuses(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])47*4882a593Smuzhiyun static int dump_efuses(cmd_tbl_t *cmdtp, int flag,
48*4882a593Smuzhiyun int argc, char * const argv[])
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun /*
51*4882a593Smuzhiyun * N.B.: This function is tailored towards the RK3399 and assumes that
52*4882a593Smuzhiyun * there's always 32 fuses x 32 bits (i.e. 128 bytes of data) to
53*4882a593Smuzhiyun * be read.
54*4882a593Smuzhiyun */
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun struct udevice *dev;
57*4882a593Smuzhiyun u8 fuses[128] = {0};
58*4882a593Smuzhiyun int ret;
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun /* retrieve the device */
61*4882a593Smuzhiyun ret = uclass_get_device_by_driver(UCLASS_MISC,
62*4882a593Smuzhiyun DM_GET_DRIVER(rockchip_efuse), &dev);
63*4882a593Smuzhiyun if (ret) {
64*4882a593Smuzhiyun printf("%s: no misc-device found\n", __func__);
65*4882a593Smuzhiyun return 0;
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun ret = misc_read(dev, 0, &fuses, sizeof(fuses));
69*4882a593Smuzhiyun if (ret) {
70*4882a593Smuzhiyun printf("%s: misc_read failed\n", __func__);
71*4882a593Smuzhiyun return 0;
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun printf("efuse-contents:\n");
75*4882a593Smuzhiyun print_buffer(0, fuses, 1, 128, 16);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun return 0;
78*4882a593Smuzhiyun }
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun U_BOOT_CMD(
81*4882a593Smuzhiyun rockchip_dump_efuses, 1, 1, dump_efuses,
82*4882a593Smuzhiyun "Dump the content of the efuses",
83*4882a593Smuzhiyun ""
84*4882a593Smuzhiyun );
85*4882a593Smuzhiyun #endif
86