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, 9 insertions, 47 deletions

diff --git a/src/soc/nvidia/tegra132/soc.c b/src/soc/nvidia/tegra132/soc.c
index 8eabd39f2e..40889a7e05 100644
--- a/src/soc/nvidia/tegra132/soc.c
+++ b/src/soc/nvidia/tegra132/soc.c
@@ -26,7 +26,6 @@
 #include <soc/addressmap.h>
 #include <soc/clock.h>
 #include <soc/cpu.h>
-#include <soc/mc.h>
 #include <soc/nvidia/tegra/apbmisc.h>
 #include <string.h>
 #include <timer.h>
@@ -55,38 +54,11 @@ static void soc_read_resources(device_t dev)
 	ram_resource(dev, index++, begin * KiB, size * KiB);
 }
 
-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);
-}
-
-static void soc_init(device_t dev)
-{
-	clock_init_arm_generic_timer();
-
-	arch_initialize_cpu(dev);
-
-	/* Lock down VPR */
-	lock_down_vpr();
-
-	if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT))
-		return;
-
-	if (display_init_required())
-		display_startup(dev);
-	else
-		printk(BIOS_INFO, "Skipping display init.\n");
-}
-
 static struct device_operations soc_ops = {
 	.read_resources   = soc_read_resources,
 	.set_resources    = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
-	.init             = soc_init,
+	.init             = DEVICE_NOOP,
 	.scan_bus         = NULL,
 };
 
@@ -94,6 +66,14 @@ static void enable_tegra132_dev(device_t dev)
 {
 	if (dev->path.type == DEVICE_PATH_CPU_CLUSTER)
 		dev->ops = &soc_ops;
+
+	if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT))
+		return;
+
+	if (display_init_required())
+		display_startup(dev);
+	else
+		printk(BIOS_INFO, "Skipping display init.\n");
 }
 
 static void tegra132_init(void *chip_info)
@@ -114,24 +94,6 @@ struct chip_operations soc_nvidia_tegra132_ops = {
 	.enable_dev = enable_tegra132_dev,
 };
 
-static void tegra132_cpu_init(device_t cpu)
-{
-}
-
-static const struct cpu_device_id ids[] = {
-	{ 0x4e0f0000 },
-	{ CPU_ID_END },
-};
-
-static struct device_operations cpu_dev_ops = {
-	.init = tegra132_cpu_init,
-};
-
-static const struct cpu_driver driver __cpu_driver = {
-	.ops      = &cpu_dev_ops,
-	.id_table = ids,
-};
-
 static void enable_plld(void *unused)
 {
 	/*