ARM: Tegra210: Add support to common Tegra source/config files

Derived from Tegra124, modified as appropriate during T210
board bringup. Cleaned up debug statements to conserve
string space, too. This also adds misc 64-bit changes
from Thierry Reding/Stephen Warren.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/mach-tegra/cache.c b/arch/arm/mach-tegra/cache.c
index 94f5bce..0e9cb97 100644
--- a/arch/arm/mach-tegra/cache.c
+++ b/arch/arm/mach-tegra/cache.c
@@ -21,6 +21,7 @@
 #include <asm/arch-tegra/ap.h>
 #include <asm/arch/gp_padctrl.h>
 
+#ifndef CONFIG_ARM64
 void config_cache(void)
 {
 	u32 reg = 0;
@@ -44,3 +45,4 @@
 	reg |= 2;
 	asm("mcr p15, 1, %0, c9, c0, 2" : : "r" (reg));
 }
+#endif