[U-Boot] [PATCH 4/5] arm: spear: Enable caches on SPEAr

Stefan Roese sr at denx.de
Tue Aug 18 09:27:19 CEST 2015


The designware ethernet driver supports d-cache now. So there is nothing
stopping us now to enable the caches completely on SPEAr.

Tested on SPEAr600 x600 board.

Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Viresh Kumar <viresh.kumar at linaro.org>
Cc: Vipin Kumar <vk.vipin at gmail.com>
---
 arch/arm/cpu/arm926ejs/spear/cpu.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c
index 3037084..e39cdba 100644
--- a/arch/arm/cpu/arm926ejs/spear/cpu.c
+++ b/arch/arm/cpu/arm926ejs/spear/cpu.c
@@ -56,6 +56,16 @@ int arch_cpu_init(void)
 	return 0;
 }
 
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_ICACHE_OFF
+	icache_enable();
+#endif
+#ifndef CONFIG_SYS_DCACHE_OFF
+	dcache_enable();
+#endif
+}
+
 #ifdef CONFIG_DISPLAY_CPUINFO
 int print_cpuinfo(void)
 {
-- 
2.4.8



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