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board: st: stm32mp2: display the board identification

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Add the display of the STMicroelectronics board identification saved in OTP
in stm32mp2 checkboard function.

Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrick Delaunay
2024-01-15 15:05:55 +01:00
committed by Patrice Chotard
parent 1067d7e3a0
commit eff29f0a60
1 changed files with 23 additions and 0 deletions
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23
board/st/stm32mp2/stm32mp2.c
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@@ -9,9 +9,12 @@
#include <env.h>
#include <fdt_support.h>
#include <log.h>
#include <misc.h>
#include <asm/global_data.h>
#include <asm/arch/sys_proto.h>
#include <dm/device.h>
#include <dm/ofnode.h>
#include <dm/uclass.h>
/*
* Get a global data pointer
@@ -20,6 +23,9 @@ DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
int ret;
u32 otp;
struct udevice *dev;
const char *fdt_compat;
int fdt_compat_len;
@@ -27,6 +33,23 @@ int checkboard(void)
log_info("Board: stm32mp2 (%s)\n", fdt_compat && fdt_compat_len ? fdt_compat : "");
/* display the STMicroelectronics board identification */
if (CONFIG_IS_ENABLED(CMD_STBOARD)) {
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(stm32mp_bsec),
&dev);
if (!ret)
ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
&otp, sizeof(otp));
if (ret > 0 && otp)
log_info("Board: MB%04x Var%d.%d Rev.%c-%02d\n",
otp >> 16,
(otp >> 12) & 0xF,
(otp >> 4) & 0xF,
((otp >> 8) & 0xF) - 1 + 'A',
otp & 0xF);
}
return 0;
}