[PATCH 2/2] arm: mediatek: mt8189: print specific CPU information

[Macpaul Lin (林智斌)]

On Mon, 2026-03-30 at 15:23 -0500, David Lechner wrote:
> Modify the print_cpuinfo() function to print a more specific CPU name
> when possible.
> 
> Signed-off-by: David Lechner <dlechner at baylibre.com>
> ---
>  arch/arm/mach-mediatek/mt8189/init.c | 32
> +++++++++++++++++++++++++++++++-
>  1 file changed, 31 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-mediatek/mt8189/init.c b/arch/arm/mach-
> mediatek/mt8189/init.c
> index 648c17ac305..ec7587c3586 100644
> --- a/arch/arm/mach-mediatek/mt8189/init.c
> +++ b/arch/arm/mach-mediatek/mt8189/init.c
> @@ -11,6 +11,8 @@
>  #include <linux/kernel.h>
>  #include <linux/sizes.h>
>  
> +#include "../cpu.h"
> +
>  DECLARE_GLOBAL_DATA_PTR;
>  
>  int dram_init(void)
> @@ -33,9 +35,37 @@ void reset_cpu(ulong addr)
>  		psci_system_reset();
>  }
>  
> +static const char *mediatek_get_segment_name_string(void)
> +{
> +	u32 seg = mediatek_sip_segment_name();
> +
> +	switch (seg) {
> +	case 0x80:
> +		return "MT8391AV/AZA";
> +	case 0x81:
> +		return "MT8371AV/AZA";
> +	case 0x82:
> +		return "MT8371LV/AZA";
> +	case 0x88:
> +		return "MT8391IV/AZA";
> +	case 0x89:
> +		return "MT8371IV/AZA";
> +	default:
> +		return NULL;
> +	}
> +}
> +
>  int print_cpuinfo(void)
>  {
> -	printf("CPU:   MediaTek MT8189\n");
> +	const char *seg_name = mediatek_get_segment_name_string();
> +	u32 part = mediatek_sip_part_name();
> +
> +	if (seg_name)
> +		printf("CPU:   MediaTek %s\n", seg_name);
> +	else if (part)
> +		printf("CPU:   MediaTek part MT%.4x\n", part);
> +	else
> +		printf("CPU:   MediaTek MT8189\n");
>  
>  	return 0;
>  }
> 

Reviewed-by: Macpaul Lin <macpaul.lin at mediatek.com>

Thanks!
Macpaul Lin