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| author | Leo Yu-Chi Liang <ycliang@andestech.com> | 2023-12-26 14:54:27 +0800 |
|---|---|---|
| committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2023-12-27 17:29:11 +0800 |
| commit | 936b5030306528c49cf531b1655f954e309ae6c0 (patch) | |
| tree | cf2e68e06a8af30b15f69ba1406532b5535e009d | |
| parent | 61d5c543f330d660513e7d8c4d53c7db8a847bdc (diff) | |
andes: ae350: Save cpu name to env
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>
| -rw-r--r-- | board/AndesTech/ae350/ae350.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/board/AndesTech/ae350/ae350.c b/board/AndesTech/ae350/ae350.c index bef9e3149ee..4e53fee5d23 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) |