[PATCH v2 1/1] andes: Use UCCTLCOMMAND instead of MCCTLCOMMAND

Leo Yu-Chi Liang ycliang at andestech.com
Tue May 28 14:57:50 CEST 2024


Use CSR_UCCTLCOMMAND instead of CSR_MCCTLCOMMAND
to do cache flush operation in M-mode and S-mode.

Signed-off-by: Leo Yu-Chi Liang <ycliang at andestech.com>
---
 arch/riscv/cpu/andes/cache.c            | 4 +---
 arch/riscv/include/asm/arch-andes/csr.h | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/cpu/andes/cache.c b/arch/riscv/cpu/andes/cache.c
index 7d3df8722d..bb57498d75 100644
--- a/arch/riscv/cpu/andes/cache.c
+++ b/arch/riscv/cpu/andes/cache.c
@@ -43,9 +43,7 @@ static void cache_ops(int (*ops)(struct udevice *dev))
 
 void flush_dcache_all(void)
 {
-#if CONFIG_IS_ENABLED(RISCV_MMODE)
-	csr_write(CSR_MCCTLCOMMAND, CCTL_L1D_WBINVAL_ALL);
-#endif
+	csr_write(CSR_UCCTLCOMMAND, CCTL_L1D_WBINVAL_ALL);
 }
 
 void flush_dcache_range(unsigned long start, unsigned long end)
diff --git a/arch/riscv/include/asm/arch-andes/csr.h b/arch/riscv/include/asm/arch-andes/csr.h
index 028fd01c2f..7d6104a24e 100644
--- a/arch/riscv/include/asm/arch-andes/csr.h
+++ b/arch/riscv/include/asm/arch-andes/csr.h
@@ -12,7 +12,7 @@
 
 #define CSR_MCACHE_CTL 0x7ca
 #define CSR_MMISC_CTL 0x7d0
-#define CSR_MCCTLCOMMAND 0x7cc
+#define CSR_UCCTLCOMMAND 0x80c
 
 /* mcache_ctl register */
 
-- 
2.34.1



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