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cmd: rk_secure_storage: dump data which is written in OTP or efuse 

Change-Id: I644add22f3aaed546d727de7727d3230ae1a6c01
Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
This commit is contained in:
Jason Zhu 2019-08-21 09:10:32 +08:00 committed by Jianhong Chen
parent 95e4d4078e
commit 2b4182c1ed
3 changed files with 91 additions and 0 deletions
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5
cmd/Kconfig
View File

@ -930,6 +930,11 @@ config CMD_RKSFC
help
Rockchip SFC device support
config CMD_RK_SECURE_STORAGE
bool "dump rockchip efuse/otp content"
help
Dump the data which is written in OTP or efuse.
config CMD_SATA
bool "sata - Access SATA subsystem"
select SATA

1
cmd/Makefile
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@ -122,6 +122,7 @@ obj-$(CONFIG_CMD_NVME) += nvme.o
obj-$(CONFIG_CMD_ROCKUSB) += rockusb.o
obj-$(CONFIG_CMD_RKNAND) += rknand.o
obj-$(CONFIG_CMD_RKSFC) += rksfc.o
obj-$(CONFIG_CMD_RK_SECURE_STORAGE) += rk_secure_storage.o
obj-$(CONFIG_CMD_SF) += sf.o
obj-$(CONFIG_CMD_SCSI) += scsi.o disk.o
obj-$(CONFIG_CMD_SHA1SUM) += sha1sum.o

85
cmd/rk_secure_storage.c Normal file
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@ -0,0 +1,85 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <command.h>
#include <dm.h>
#include <misc.h>
#ifdef CONFIG_ROCKCHIP_OTP
static int dump_otps(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct udevice *dev;
u8 otps[64] = {0};
int ret;
/* retrieve the device */
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_GET_DRIVER(rockchip_otp), &dev);
if (ret) {
printf("%s: no misc-device found\n", __func__);
return 0;
}
ret = misc_read(dev, 0, &otps, sizeof(otps));
if (ret) {
printf("%s: misc_read failed\n", __func__);
return 0;
}
printf("otp-contents:\n");
print_buffer(0, otps, 1, 64, 16);
return 0;
}
U_BOOT_CMD(
rockchip_dump_otps, 1, 1, dump_otps,
"Dump the content of the otps",
""
);
#endif
#ifdef CONFIG_ROCKCHIP_EFUSE
static int dump_efuses(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
/*
* N.B.: This function is tailored towards the RK3399 and assumes that
* there's always 32 fuses x 32 bits (i.e. 128 bytes of data) to
* be read.
*/
struct udevice *dev;
u8 fuses[128] = {0};
int ret;
/* retrieve the device */
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_GET_DRIVER(rockchip_efuse), &dev);
if (ret) {
printf("%s: no misc-device found\n", __func__);
return 0;
}
ret = misc_read(dev, 0, &fuses, sizeof(fuses));
if (ret) {
printf("%s: misc_read failed\n", __func__);
return 0;
}
printf("efuse-contents:\n");
print_buffer(0, fuses, 1, 128, 16);
return 0;
}
U_BOOT_CMD(
rockchip_dump_efuses, 1, 1, dump_efuses,
"Dump the content of the efuses",
""
);
#endif