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authorEric Nelson <eric.nelson@boundarydevices.com>2012-03-04 11:47:38 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-04-16 14:53:58 +0200
commit4d422fe2dce90d1052c9ab133fe0059ff2e92394 (patch)
tree3614139781a535e844a3b87b71a09a391a481d6c
parentc415919d5790977b2d498105c5dc3475bb0895e6 (diff)
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>
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c8
-rw-r--r--include/configs/mx6qarm2.h2
-rw-r--r--include/configs/mx6qsabrelite.h2
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 a81e2bc01..543b2cc6d 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 0962d3c8c..e83aec6c2 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 8bc8a8370..d3b31fe8f 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 */