[U-Boot] [PATCH v4 2/2] stm32f7: enable instruction & data cache

Vikas Manocha vikas.manocha at st.com
Mon Mar 27 20:02:45 UTC 2017


It also enables commands for cache enable/disable/status.

Signed-off-by: Vikas Manocha <vikas.manocha at st.com>
cc: Christophe KERELLO <christophe.kerello at st.com>
---

Changed in v4: None
Changed in v3: None
Changed in v2: None

 arch/arm/mach-stm32/stm32f7/soc.c | 2 ++
 include/configs/stm32f746-disco.h | 4 +---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-stm32/stm32f7/soc.c b/arch/arm/mach-stm32/stm32f7/soc.c
index 06af631..6f9704a 100644
--- a/arch/arm/mach-stm32/stm32f7/soc.c
+++ b/arch/arm/mach-stm32/stm32f7/soc.c
@@ -58,6 +58,8 @@ int arch_cpu_init(void)
 		 (V7M_MPU_RASR_XN_ENABLE
 			 | V7M_MPU_RASR_AP_RW_RW
 			 | 0x01 << V7M_MPU_RASR_TEX_SHIFT
+			 | 0x01 << V7M_MPU_RASR_B_SHIFT
+			 | 0x01 << V7M_MPU_RASR_C_SHIFT
 			 | V7M_MPU_RASR_SIZE_8MB
 			 | V7M_MPU_RASR_EN)
 			 , &V7M_MPU->rasr
diff --git a/include/configs/stm32f746-disco.h b/include/configs/stm32f746-disco.h
index ae3211a..9e9406a 100644
--- a/include/configs/stm32f746-disco.h
+++ b/include/configs/stm32f746-disco.h
@@ -14,9 +14,6 @@
 #define CONFIG_SYS_INIT_SP_ADDR		0x20050000
 #define CONFIG_SYS_TEXT_BASE		0x08000000
 
-#define CONFIG_SYS_ICACHE_OFF
-#define CONFIG_SYS_DCACHE_OFF
-
 /*
  * Configuration of the external SDRAM memory
  */
@@ -82,4 +79,5 @@
 #define CONFIG_CMDLINE_EDITING
 
 #define CONFIG_CMD_MEM
+#define CONFIG_CMD_CACHE
 #endif /* __CONFIG_H */
-- 
1.9.1



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