arm64: Remove cpu intialization through device-tree

Since, SMP support is removed for ARM64, there is no need for CPU
initialization to be performed via device-tree.

Change-Id: I0534e6a93c7dc8659859eac926d17432d10243aa
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: http://review.coreboot.org/11913
Tested-by: build bot (Jenkins)
Reviewed-by: Julius Werner <jwerner@chromium.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/soc/nvidia/tegra132/ramstage.c b/src/soc/nvidia/tegra132/ramstage.c
index 64b61e9b08..ca9cec49c3 100644
--- a/src/soc/nvidia/tegra132/ramstage.c
+++ b/src/soc/nvidia/tegra132/ramstage.c
@@ -16,8 +16,18 @@
 #include <arch/stages.h>
 #include <soc/addressmap.h>
 #include <soc/clock.h>
+#include <soc/mc.h>
 #include <soc/mmu_operations.h>
 
+static void lock_down_vpr(void)
+{
+	struct tegra_mc_regs *regs = (void *)(uintptr_t)TEGRA_MC_BASE;
+
+	write32(&regs->video_protect_bom, 0);
+	write32(&regs->video_protect_size_mb, 0);
+	write32(&regs->video_protect_reg_ctrl, 1);
+}
+
 void arm64_soc_init(void)
 {
 	trustzone_region_init();
@@ -25,4 +35,9 @@ void arm64_soc_init(void)
 	tegra132_mmu_init();
 
 	clock_cpu0_config();
+
+	clock_init_arm_generic_timer();
+
+	/* Lock down VPR */
+	lock_down_vpr();
 }