Add a simple debug command to dump the content of the otp.
Signed-off-by: Jonas Karlman <jo...@kwiboo.se>
---
drivers/misc/rockchip-otp.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/drivers/misc/rockchip-otp.c b/drivers/misc/rockchip-otp.c
index babb6ce2f241..c41f0a606258 100644
--- a/drivers/misc/rockchip-otp.c
+++ b/drivers/misc/rockchip-otp.c
@@ -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, sizeof(data), 1, 1);
+ }
+
+ 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)
{
--
2.39.1
