From 4d422fe2dce90d1052c9ab133fe0059ff2e92394 Mon Sep 17 00:00:00 2001
From: Eric Nelson <eric.nelson@boundarydevices.com>
Date: Sun, 4 Mar 2012 11:47:38 +0000
Subject: [PATCH] i.MX6: implement enable_caches()
disabled by default until drivers are fixed
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Acked-by: Marek Vasut <marex@denx.de>
---
arch/arm/cpu/armv7/mx6/soc.c | 8 ++++++++
include/configs/mx6qarm2.h | 2 ++
include/configs/mx6qsabrelite.h | 2 ++
3 files changed, 12 insertions(+)
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index a81e2bc01a..543b2cc6d8 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -85,6 +85,14 @@ int arch_cpu_init(void)
}
#endif
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif
+
#if defined(CONFIG_FEC_MXC)
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
{
diff --git a/include/configs/mx6qarm2.h b/include/configs/mx6qarm2.h
index 0962d3c8c4..e83aec6c21 100644
--- a/include/configs/mx6qarm2.h
+++ b/include/configs/mx6qarm2.h
@@ -169,4 +169,6 @@
#define CONFIG_OF_LIBFDT
+#define CONFIG_SYS_DCACHE_OFF
+
#endif /* __CONFIG_H */
diff --git a/include/configs/mx6qsabrelite.h b/include/configs/mx6qsabrelite.h
index 8bc8a83702..d3b31fe8f4 100644
--- a/include/configs/mx6qsabrelite.h
+++ b/include/configs/mx6qsabrelite.h
@@ -212,4 +212,6 @@
#define CONFIG_OF_LIBFDT
+#define CONFIG_SYS_DCACHE_OFF
+
#endif /* __CONFIG_H */
--
2.39.5