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 ycliang@andestech.com
Reviewed-by: Yu Chien Peter Lin peterlin@andestech.com
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 <netdev.h> #endif +#include <asm/csr.h> #include <asm/global_data.h> +#include <asm/sbi.h> #include <linux/io.h> #include <faraday/ftsmc020.h> #include <fdtdec.h> @@ -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(&csr_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 - 0x100000)
2.34.1