Detect CPU name through marchid and then save it to env.
Signed-off-by: Leo Yu-Chi Liang <ycli...@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
