[PATCH 5/5] andes: ae350: Save cpu name to env
Leo Yu-Chi Liang
ycliang at andestech.com
Mon Dec 25 14:05:28 CET 2023
Detect CPU name through marchid and then save it to env.
Signed-off-by: Leo Yu-Chi Liang <ycliang at 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)
--
2.34.1
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