ARM: tegra: add Tegra124 SoC support

Add Tegra124 SoC support that base on CortexA15MP Core. And enable the
SMP function that can re-use the same procedure with Tegra114.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index f2e026a..a5e6556 100644 (file)
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -61,6 +61,14 @@ config ARCH_TEGRA_114_SOC
          Support for NVIDIA Tegra T114 processor family, based on the
          ARM CortexA15MP CPU
 
+config ARCH_TEGRA_124_SOC
+       bool "Enable support for Tegra124 family"
+       select ARM_L1_CACHE_SHIFT_6
+       select HAVE_ARM_ARCH_TIMER
+       help
+         Support for NVIDIA Tegra T124 processor family, based on the
+         ARM CortexA15MP CPU
+
 config TEGRA_AHB
        bool "Enable AHB driver for NVIDIA Tegra SoCs"
        default y

diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h
index def7968..c01d047 100644 (file)
--- a/arch/arm/mach-tegra/fuse.h
+++ b/arch/arm/mach-tegra/fuse.h
@@ -29,6 +29,7 @@
 #define TEGRA20                0x20
 #define TEGRA30                0x30
 #define TEGRA114       0x35
+#define TEGRA124       0x40
 
 #ifndef __ASSEMBLY__
 enum tegra_revision {

diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 2d02036..eb72ae7 100644 (file)
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -176,6 +176,8 @@ static int tegra_boot_secondary(unsigned int cpu,
                return tegra30_boot_secondary(cpu, idle);
        if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114)
                return tegra114_boot_secondary(cpu, idle);
+       if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_chip_id == TEGRA124)
+               return tegra114_boot_secondary(cpu, idle);
 
        return -EINVAL;
 }

diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
index 40b031c..80b801a 100644 (file)
--- a/arch/arm/mach-tegra/tegra.c
+++ b/arch/arm/mach-tegra/tegra.c
@@ -181,6 +181,7 @@ static void __init tegra_dt_init_late(void)
 }
 
 static const char * const tegra_dt_board_compat[] = {
+       "nvidia,tegra124",
        "nvidia,tegra114",
        "nvidia,tegra30",
        "nvidia,tegra20",