Detect CPU name through marchid and then save it to env.
Signed-off-by: Leo Yu-Chi Liang ycliang@andestech.com --- board/AndesTech/ae350/ae350.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/board/AndesTech/ae350/ae350.c b/board/AndesTech/ae350/ae350.c index bef9e3149e..9faf46d96e 100644 --- a/board/AndesTech/ae350/ae350.c +++ b/board/AndesTech/ae350/ae350.c @@ -28,6 +28,26 @@ DECLARE_GLOBAL_DATA_PTR; * Miscellaneous platform dependent initializations */
+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); +} + #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL) #define ANDES_SPL_FDT_ADDR (CONFIG_TEXT_BASE - 0x100000) void spl_perform_fixups(struct spl_image_info *spl_image)