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From: Yu Chien Peter Lin <peterlin@andestech.com>
To: opensbi@lists.infradead.org
Subject: [PATCH v2 03/11] platform: include: andes45: Add PMU related CSR defines
Date: Thu, 19 Oct 2023 19:37:05 +0800	[thread overview]
Message-ID: <20231019113713.3508153-4-peterlin@andestech.com> (raw)
In-Reply-To: <20231019113713.3508153-1-peterlin@andestech.com>

This patch adds CSR for Andes PMU extension.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
---
Changes v1 -> v2:
  - Rename andes_pmu() -> has_andes_pmu()
---
 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..ce31617 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 has_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



  parent reply	other threads:[~2023-10-19 11:37 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-19 11:37 [PATCH v2 00/11] Add Andes PMU extension support Yu Chien Peter Lin
2023-10-19 11:37 ` [PATCH v2 01/11] sbi: sbi_pmu: Improve sbi_pmu_init() error handling Yu Chien Peter Lin
2023-11-16  6:32   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 02/11] sbi: sbi_pmu: Add hw_counter_filter_mode() to pmu device Yu Chien Peter Lin
2023-11-16  6:36   ` Anup Patel
2023-10-19 11:37 ` Yu Chien Peter Lin [this message]
2023-11-16  6:39   ` [PATCH v2 03/11] platform: include: andes45: Add PMU related CSR defines Anup Patel
2023-10-19 11:37 ` [PATCH v2 04/11] platform: andes: Add Andes custom PMU support Yu Chien Peter Lin
2023-11-16  6:41   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 05/11] platform: andes: Enable Andes PMU for AE350 Yu Chien Peter Lin
2023-11-16  6:45   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 06/11] platform: rzfive: Enable Andes PMU for RZ/Five Yu Chien Peter Lin
2023-11-16  6:45   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 07/11] lib: utils: fdt_fixup: Add fdt_add_pmu_mappings() helper function Yu Chien Peter Lin
2023-10-21 12:25   ` [PATCH v2 10/11] platform: andes: Implement andes_fdt_add_pmu_mappings platform override Inochi Amaoto
2023-10-22  6:50     ` Yu-Chien Peter Lin
2023-11-16  6:59   ` [PATCH v2 07/11] lib: utils: fdt_fixup: Add fdt_add_pmu_mappings() helper function Anup Patel
2023-10-19 11:37 ` [PATCH v2 08/11] lib: utils: fdt_fixup: Allow preserving PMU properties Yu Chien Peter Lin
2023-11-16  6:48   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 09/11] platform: andes: Factor out is_andes() helper Yu Chien Peter Lin
2023-11-16  6:49   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 10/11] platform: andes: Implement andes_fdt_add_pmu_mappings platform override Yu Chien Peter Lin
2023-11-16  6:58   ` Anup Patel
2023-10-19 11:37 ` [PATCH v2 11/11] docs: pmu: Add Andes PMU node example Yu Chien Peter Lin
2023-11-16  7:00   ` Anup Patel
2023-11-16  7:01 ` [PATCH v2 00/11] Add Andes PMU extension support Anup Patel
2023-11-21  7:44   ` Yu-Chien Peter Lin

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