[PATCH 12/12] board: st: stm32mp2: display the board identification

[Patrice CHOTARD]

On 1/15/24 13:46, Patrick Delaunay wrote:
> Add the display of the STMicroelectronics board identification saved in OTP
> in stm32mp2 checkboard function.
> 
> Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> ---
> 
>  board/st/stm32mp2/stm32mp2.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/board/st/stm32mp2/stm32mp2.c b/board/st/stm32mp2/stm32mp2.c
> index 9a881583d904..aa7dd31996ea 100644
> --- a/board/st/stm32mp2/stm32mp2.c
> +++ b/board/st/stm32mp2/stm32mp2.c
> @@ -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;
>  }
>  
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice