linux-kernel - [PATCH v5 1/4] RISC-V: Add SSTC extension CSR details

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Message-Id: <20220720192342.3428144-2-atishp@rivosinc.com>
Date:   Wed, 20 Jul 2022 12:23:39 -0700
From:   Atish Patra <atishp@...osinc.com>
To:     linux-kernel@...r.kernel.org
Cc:     Atish Patra <atishp@...osinc.com>,
        Anup Patel <anup@...infault.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Atish Patra <atishp@...shpatra.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Guo Ren <guoren@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        kvm-riscv@...ts.infradead.org, kvm@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Liu Shaohua <liush@...winnertech.com>,
        Niklas Cassel <niklas.cassel@....com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Philipp Tomsich <philipp.tomsich@...ll.eu>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tsukasa OI <research_trasio@....a4lg.com>,
        Wei Fu <wefu@...hat.com>
Subject: [PATCH v5 1/4] RISC-V: Add SSTC extension CSR details

This patch just introduces the required CSR fields related to the
SSTC extension.

Reviewed-by: Anup Patel <anup@...infault.org>
Signed-off-by: Atish Patra <atishp@...osinc.com>
---
 arch/riscv/include/asm/csr.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 17516afc389a..0e571f6483d9 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -247,6 +247,9 @@
 #define CSR_SIP			0x144
 #define CSR_SATP		0x180
 
+#define CSR_STIMECMP		0x14D
+#define CSR_STIMECMPH		0x15D
+
 #define CSR_VSSTATUS		0x200
 #define CSR_VSIE		0x204
 #define CSR_VSTVEC		0x205
@@ -256,6 +259,8 @@
 #define CSR_VSTVAL		0x243
 #define CSR_VSIP		0x244
 #define CSR_VSATP		0x280
+#define CSR_VSTIMECMP		0x24D
+#define CSR_VSTIMECMPH		0x25D
 
 #define CSR_HSTATUS		0x600
 #define CSR_HEDELEG		0x602
-- 
2.25.1