[U-Boot] [PATCH 11/11] snowball: Adding board specific cache cleanup routine
mathieu.poirier at linaro.org
mathieu.poirier at linaro.org
Mon Jun 18 18:35:44 CEST 2012
From: "Mathieu J. Poirier" <mathieu.poirier at linaro.org>
This is mandatory in order to boot the Linux kernel.
Signed-off-by: Mathieu Poirier <mathieu.poirier at linaro.org>
Signed-off-by: John Rigby <john.rigby at linaro.org>
---
arch/arm/cpu/armv7/u8500/cpu.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/u8500/cpu.c b/arch/arm/cpu/armv7/u8500/cpu.c
index 02bb332..66a9d2c 100644
--- a/arch/arm/cpu/armv7/u8500/cpu.c
+++ b/arch/arm/cpu/armv7/u8500/cpu.c
@@ -73,6 +73,15 @@ static unsigned int read_asicid(void)
return readl(address);
}
+void cpu_cache_management(void)
+{
+ if (cpu_is_u8500v2()) {
+ *((volatile unsigned int *)(0xA04127CC)) = 0xFF;
+ *((volatile unsigned int *)(0xA0412900)) = 0xFF;
+ *((volatile unsigned int *)(0xA0412904)) = 0xFF;
+ }
+}
+
#ifdef CONFIG_ARCH_CPU_INIT
/*
* SOC specific cpu init
--
1.7.5.4
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