[U-Boot] [PATCH V2 2/3] i.MX6: implement enable_caches()

Eric Nelson
2012-03-04T21:47:38Z

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(+), 0 deletions(-)

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 2ac74b5..eb418eb 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -79,6 +79,14 @@ 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 0962d3c..e83aec6 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 8bc8a83..d3b31fe 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 */
--
1.7.9