ARM: tegra: Add initial support for Tegra114 SoC.

Add new Tegra 114 SoC support.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

4 files changed, 60 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index abc688fd4807..eada60f388af 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -45,6 +45,16 @@ config ARCH_TEGRA_3x_SOC
           Support for NVIDIA Tegra T30 processor family, based on the
           ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
 
+config ARCH_TEGRA_114_SOC
+        bool "Enable support for Tegra114 family"
+        select ARM_GIC
+        select CPU_V7
+        select ARM_L1_CACHE_SHIFT_6
+        select ARM_ARCH_TIMER
+        help
+          Support for NVIDIA Tegra T114 processor family, based on the
+          ARM CortexA15MP CPU
+
 config TEGRA_PCI
         bool "PCI Express support"
         depends on ARCH_TEGRA_2x_SOC
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 6018a05e808c..8165b0a477da 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_TEGRA_PCI)			+= pcie.o
 
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += board-dt-tegra20.o
 obj-$(CONFIG_ARCH_TEGRA_3x_SOC)         += board-dt-tegra30.o
+obj-$(CONFIG_ARCH_TEGRA_114_SOC)        += board-dt-tegra114.o
 
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += board-harmony-pcie.o
 
diff --git a/arch/arm/mach-tegra/board-dt-tegra114.c b/arch/arm/mach-tegra/board-dt-tegra114.c
new file mode 100644
index 000000000000..3ed17ce884df
--- /dev/null
+++ b/arch/arm/mach-tegra/board-dt-tegra114.c
@@ -0,0 +1,48 @@
+/*
+ * NVIDIA Tegra114 device tree board support
+ *
+ * Copyright (C) 2013 NVIDIA Corporation
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/clocksource.h>
+
+#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
+
+#include "board.h"
+#include "common.h"
+
+static void __init tegra114_dt_init(void)
+{
+        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char * const tegra114_dt_board_compat[] = {
+        "nvidia,tegra114",
+        NULL,
+};
+
+DT_MACHINE_START(TEGRA114_DT, "NVIDIA Tegra114 (Flattened Device Tree)")
+        .smp            = smp_ops(tegra_smp_ops),
+        .map_io         = tegra_map_common_io,
+        .init_early     = tegra30_init_early,
+        .init_irq       = tegra_dt_init_irq,
+        .handle_irq     = gic_handle_irq,
+        .init_time      = clocksource_of_init,
+        .init_machine   = tegra114_dt_init,
+        .init_late      = tegra_init_late,
+        .restart        = tegra_assert_system_reset,
+        .dt_compat      = tegra114_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index 87dd69ccdf8e..2f1351359a35 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -59,6 +59,7 @@ u32 tegra_uart_config[4] = {
 
 #ifdef CONFIG_OF
 static const struct of_device_id tegra_dt_irq_match[] __initconst = {
+        { .compatible = "arm,cortex-a15-gic", .data = gic_of_init },
         { .compatible = "arm,cortex-a9-gic", .data = gic_of_init },
         { }
 };