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From:   Greentime Hu <greentime.hu@sifive.com>
To:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        aou@eecs.berkeley.edu, palmer@dabbelt.com,
        paul.walmsley@sifive.com, vincent.chen@sifive.com
Subject: [RFC PATCH v8 04/21] riscv: Add new csr defines related to vector extension
Date:   Thu,  9 Sep 2021 01:45:16 +0800
Message-Id: <efa96ff90447f6f49f8cc4496dd08657786bd9a7.1631121222.git.greentime.hu@sifive.com>
In-Reply-To: <cover.1631121222.git.greentime.hu@sifive.com>
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Follow the riscv vector spec to add new csr numbers.

[guoren@linux.alibaba.com: first porting for new vector related csr]
Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
Acked-by: Guo Ren <guoren@kernel.org>
Co-developed-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Co-developed-by: Vincent Chen <vincent.chen@sifive.com>
Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
---
 arch/riscv/include/asm/csr.h | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 87ac65696871..069743102fac 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -24,6 +24,12 @@
 #define SR_FS_CLEAN	_AC(0x00004000, UL)
 #define SR_FS_DIRTY	_AC(0x00006000, UL)
 
+#define SR_VS           _AC(0x00000600, UL) /* Vector Status */
+#define SR_VS_OFF       _AC(0x00000000, UL)
+#define SR_VS_INITIAL   _AC(0x00000200, UL)
+#define SR_VS_CLEAN     _AC(0x00000400, UL)
+#define SR_VS_DIRTY     _AC(0x00000600, UL)
+
 #define SR_XS		_AC(0x00018000, UL) /* Extension Status */
 #define SR_XS_OFF	_AC(0x00000000, UL)
 #define SR_XS_INITIAL	_AC(0x00008000, UL)
@@ -31,9 +37,9 @@
 #define SR_XS_DIRTY	_AC(0x00018000, UL)
 
 #ifndef CONFIG_64BIT
-#define SR_SD		_AC(0x80000000, UL) /* FS/XS dirty */
+#define SR_SD		_AC(0x80000000, UL) /* FS/VS/XS dirty */
 #else
-#define SR_SD		_AC(0x8000000000000000, UL) /* FS/XS dirty */
+#define SR_SD		_AC(0x8000000000000000, UL) /* FS/VS/XS dirty */
 #endif
 
 /* SATP flags */
@@ -120,6 +126,12 @@
 #define CSR_MIMPID		0xf13
 #define CSR_MHARTID		0xf14
 
+#define CSR_VSTART		0x8
+#define CSR_VCSR		0xf
+#define CSR_VL			0xc20
+#define CSR_VTYPE		0xc21
+#define CSR_VLENB		0xc22
+
 #ifdef CONFIG_RISCV_M_MODE
 # define CSR_STATUS	CSR_MSTATUS
 # define CSR_IE		CSR_MIE
-- 
2.31.1