[PATCH v2 05/11] platform: andes: Enable Andes PMU for AE350

Yu Chien Peter Lin peterlin at andestech.com
Thu Oct 19 04:37:07 PDT 2023


Enable Andes PMU extension support for AE350 platforms.

Signed-off-by: Yu Chien Peter Lin <peterlin at andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang at andestech.com>
---
Changes v1 -> v2:
  - Implement ae350_extensions_init()
---
 platform/generic/Kconfig       |  1 +
 platform/generic/andes/ae350.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/platform/generic/Kconfig b/platform/generic/Kconfig
index e7bd94e..9b2f9c7 100644
--- a/platform/generic/Kconfig
+++ b/platform/generic/Kconfig
@@ -31,6 +31,7 @@ config PLATFORM_ALLWINNER_D1
 config PLATFORM_ANDES_AE350
 	bool "Andes AE350 support"
 	select SYS_ATCSMU
+	select ANDES_PMU
 	default n
 
 config PLATFORM_RENESAS_RZFIVE
diff --git a/platform/generic/andes/ae350.c b/platform/generic/andes/ae350.c
index 80eca05..c3f280d 100644
--- a/platform/generic/andes/ae350.c
+++ b/platform/generic/andes/ae350.c
@@ -8,6 +8,7 @@
  */
 
 #include <platform_override.h>
+#include <andes/andes_pmu.h>
 #include <sbi_utils/fdt/fdt_helper.h>
 #include <sbi_utils/fdt/fdt_fixup.h>
 #include <sbi_utils/sys/atcsmu.h>
@@ -110,6 +111,17 @@ static int ae350_final_init(bool cold_boot, const struct fdt_match *match)
 	return 0;
 }
 
+static int ae350_extensions_init(const struct fdt_match *match,
+			  struct sbi_hart_features *hfeatures)
+{
+	int rc;
+	rc = andes_pmu_init();
+	if (rc && rc != SBI_ENOTSUPP)
+		return rc;
+
+	return 0;
+}
+
 static const struct fdt_match andes_ae350_match[] = {
 	{ .compatible = "andestech,ae350" },
 	{ },
@@ -118,4 +130,5 @@ static const struct fdt_match andes_ae350_match[] = {
 const struct platform_override andes_ae350 = {
 	.match_table = andes_ae350_match,
 	.final_init  = ae350_final_init,
+	.extensions_init = ae350_extensions_init,
 };
-- 
2.34.1




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