[RFC PATCH 1/6] RISC-V: Add SSTC extension CSR details

[Atish Patra]

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

Signed-off-by: Atish Patra <atishp at rivosinc.com>
---
 arch/riscv/include/asm/csr.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index ae711692eec9..8f37c063a205 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -165,6 +165,9 @@
 #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
@@ -174,6 +177,8 @@
 #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
@@ -189,6 +194,8 @@
 #define CSR_HTINST		0x64a
 #define CSR_HGATP		0x680
 #define CSR_HGEIP		0xe12
+#define CSR_HENVCFG		0x60A
+#define CSR_HENVCFGH		0x61A
 
 #define CSR_MSTATUS		0x300
 #define CSR_MISA		0x301
@@ -247,6 +254,10 @@
 #define IE_TIE		(_AC(0x1, UL) << RV_IRQ_TIMER)
 #define IE_EIE		(_AC(0x1, UL) << RV_IRQ_EXT)
 
+/* ENVCFG related bits */
+#define HENVCFG_STCE	63
+#define HENVCFGH_STCE	31
+
 #ifndef __ASSEMBLY__
 
 #define csr_swap(csr, val)					\
-- 
2.30.2