[PATCH 2/6] platform: include: andes45: Add PMU related CSR defines
Yu Chien Peter Lin
peterlin at andestech.com
Wed Sep 6 02:40:47 PDT 2023
This patch adds CSR for Andes PMU extension.
Signed-off-by: Yu Chien Peter Lin <peterlin at andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang at andestech.com>
---
platform/generic/include/andes/andes45.h | 26 ++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/platform/generic/include/andes/andes45.h b/platform/generic/include/andes/andes45.h
index f570994..6b141cf 100644
--- a/platform/generic/include/andes/andes45.h
+++ b/platform/generic/include/andes/andes45.h
@@ -12,6 +12,17 @@
#define CSR_MDCM_CFG 0xfc1
#define CSR_MMSC_CFG 0xfc2
+/* Machine Trap Related Registers */
+#define CSR_MSLIDELEG 0x7d5
+
+/* Counter Related Registers */
+#define CSR_MCOUNTERWEN 0x7ce
+#define CSR_MCOUNTERINTEN 0x7cf
+#define CSR_MCOUNTERMASK_M 0x7d1
+#define CSR_MCOUNTERMASK_S 0x7d2
+#define CSR_MCOUNTERMASK_U 0x7d3
+#define CSR_MCOUNTEROVF 0x7d4
+
#define MICM_CFG_ISZ_OFFSET 6
#define MICM_CFG_ISZ_MASK (0x7 << MICM_CFG_ISZ_OFFSET)
@@ -26,4 +37,19 @@
#define MCACHE_CTL_CCTL_SUEN_OFFSET 8
#define MCACHE_CTL_CCTL_SUEN_MASK (0x1 << MCACHE_CTL_CCTL_SUEN_OFFSET)
+/* Performance monitor */
+#define MMSC_CFG_PMNDS_MASK (1 << 15)
+#define MIP_PMOVI (1 << 18)
+
+#ifndef __ASSEMBLER__
+
+#define andes_pmu() \
+({ \
+ (((csr_read(CSR_MMSC_CFG) & \
+ MMSC_CFG_PMNDS_MASK) \
+ && misa_extension('S')) ? true : false); \
+})
+
+#endif /* __ASSEMBLER__ */
+
#endif /* _RISCV_ANDES45_H */
--
2.34.1
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