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rockchip: otp: Add dump_otp debug command

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Add a simple debug command to dump the content of the otp.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman 2023-02-22 22:44:39 +00:00 committed by Kever Yang
parent f888098229
commit 9a850d1fcd
1 changed files with 35 additions and 0 deletions
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35
drivers/misc/rockchip-otp.c
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@ -5,6 +5,8 @@
#include <common.h>
#include <asm/io.h>
#include <command.h>
#include <display_options.h>
#include <dm.h>
#include <linux/bitops.h>
#include <linux/delay.h>
@ -70,6 +72,39 @@ struct rockchip_otp_data {
int block_size;
};
#if defined(DEBUG)
static int dump_otp(struct cmd_tbl *cmdtp, int flag,
int argc, char *const argv[])
{
struct udevice *dev;
u8 data[4];
int ret, i;
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(rockchip_otp), &dev);
if (ret) {
printf("%s: no misc-device found\n", __func__);
return 0;
}
for (i = 0; true; i += sizeof(data)) {
ret = misc_read(dev, i, &data, sizeof(data));
if (ret < 0)
return 0;
print_buffer(i, data, 1, sizeof(data), sizeof(data));
}
return 0;
}
U_BOOT_CMD(
dump_otp, 1, 1, dump_otp,
"Dump the content of the otp",
""
);
#endif
static int rockchip_otp_poll_timeout(struct rockchip_otp_plat *otp,
u32 flag, u32 reg)
{