On Tue, Dec 26, 2023 at 02:54:27PM +0800, Leo Yu-Chi Liang wrote:
> Detect CPU name through marchid and then save it to env.
>
> Signed-off-by: Leo Yu-Chi Liang
Reviewed-by: Yu Chien Peter Lin
> ---
> board/AndesTech/ae350/ae350.c | 23 +++
> 1 file changed, 23 insertions(+)
>
> diff --git a/board/AndesTech/ae350/ae350.c b/board/AndesTech/ae350/ae350.c
> index bef9e3149e..4e53fee5d2 100644
> --- a/board/AndesTech/ae350/ae350.c
> +++ b/board/AndesTech/ae350/ae350.c
> @@ -13,7 +13,9 @@
> #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
> #include
> #endif
> +#include
> #include
> +#include
> #include
> #include
> #include
> @@ -27,6 +29,27 @@ DECLARE_GLOBAL_DATA_PTR;
> /*
> * Miscellaneous platform dependent initializations
> */
> +#if IS_ENABLED(CONFIG_MISC_INIT_R)
> +int misc_init_r(void)
> +{
> +long csr_marchid = 0;
> +const long mask_64 = 0x8000;
> +const long mask_cpu = 0xff;
> +char cpu_name[10] = {};
> +
> +#if CONFIG_IS_ENABLED(RISCV_SMODE)
> +sbi_get_marchid(_marchid);
> +#elif CONFIG_IS_ENABLED(RISCV_MMODE)
> +csr_marchid = csr_read(CSR_MARCHID);
> +#endif
> +if (mask_64 & csr_marchid)
> +snprintf(cpu_name, sizeof(cpu_name), "ax%lx", (mask_cpu &
> csr_marchid));
> +else
> +snprintf(cpu_name, sizeof(cpu_name), "a%lx", (mask_cpu &
> csr_marchid));
> +
> +return env_set("cpu", cpu_name);
> +}
> +#endif
>
> #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
> #define ANDES_SPL_FDT_ADDR (CONFIG_TEXT_BASE - 0x10)
> --
> 2.34.1
>
