@@ -934,6 +934,8 @@ source "arch/arm/mach-sunxi/Kconfig"
source "arch/arm/mach-prima2/Kconfig"
+source "arch/arm/mach-tangox/Kconfig"
+
source "arch/arm/mach-tegra/Kconfig"
source "arch/arm/mach-u300/Kconfig"
@@ -203,6 +203,7 @@ machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
machine-$(CONFIG_ARCH_STI) += sti
machine-$(CONFIG_ARCH_STM32) += stm32
machine-$(CONFIG_ARCH_SUNXI) += sunxi
+machine-$(CONFIG_ARCH_TANGOX) += tangox
machine-$(CONFIG_ARCH_TEGRA) += tegra
machine-$(CONFIG_ARCH_U300) += u300
machine-$(CONFIG_ARCH_U8500) += ux500
@@ -605,6 +605,8 @@ dtb-$(CONFIG_MACH_SUN8I) += \
dtb-$(CONFIG_MACH_SUN9I) += \
sun9i-a80-optimus.dtb \
sun9i-a80-cubieboard4.dtb
+dtb-$(CONFIG_ARCH_TANGOX) += \
+ tango4-vantage-1172.dtb
dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
tegra20-harmony.dtb \
tegra20-iris-512.dtb \
new file mode 100644
@@ -0,0 +1,18 @@
+/dts-v1/;
+
+#include "tango4.dtsi"
+
+/ {
+ model = "Sigma Designs SMP8758 Vantage-1172 dev board";
+ compatible = "sigma,vantage-1172", "sigma,smp8758", "sigma,tango4";
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>; /* 2 GB */
+ };
+};
+
+ð0 {
+ phy-connection-type = "rgmii";
+ max-speed = <1000>;
+};
new file mode 100644
@@ -0,0 +1,134 @@
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "sigma,tango4";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ clocks {
+ ranges;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ xtal: xtal {
+ compatible = "fixed-clock";
+ clock-frequency = <27000000>;
+ #clock-cells = <0>;
+ };
+
+ clkgen: clkgen@10000 {
+ compatible = "sigma,tango4-clkgen";
+ reg = <0x10000 0x30>;
+ clocks = <&xtal>;
+ clock-output-names = "cpuclk", "sysclk";
+ #clock-cells = <1>;
+ };
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ compatible = "arm,cortex-a9";
+ device_type = "cpu";
+ reg = <0>;
+ };
+ cpu@1 {
+ compatible = "arm,cortex-a9";
+ device_type = "cpu";
+ reg = <1>;
+ };
+ };
+
+ gic: gic@20001000 {
+ compatible = "arm,cortex-a9-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0x20001000 0x1000>, <0x20000100 0x0100>;
+ };
+
+ l2cc: l2-cache-controller@20100000 {
+ compatible = "arm,pl310-cache";
+ reg = <0x20100000 0x1000>;
+ cache-level = <2>;
+ cache-unified;
+ };
+
+ periphclk: periphclk {
+ compatible = "fixed-factor-clock";
+ clocks = <&clkgen 0>;
+ clock-mult = <1>;
+ clock-div = <2>;
+ #clock-cells = <0>;
+ };
+
+ twd-timer@20000600 {
+ compatible = "arm,cortex-a9-twd-timer";
+ reg = <0x20000600 0x10>;
+ interrupts = <GIC_PPI 13 0xf04>;
+ interrupt-parent = <&gic>;
+ clocks = <&periphclk>;
+ always-on;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ tick-counter@10048 {
+ compatible = "sigma,tick-counter";
+ reg = <0x10048 0x4>;
+ clocks = <&xtal>;
+ };
+
+ uart: serial@10700 {
+ compatible = "ralink,rt2880-uart";
+ reg = <0x10700 0x30>;
+ clock-frequency = <7372800>;
+ reg-shift = <2>;
+ };
+
+ eth0: ethernet@26000 {
+ compatible = "sigma,tango-emac";
+ reg = <0x26000 0x800>;
+ interrupts = <38 4>;
+ interrupt-parent = <&irq0>;
+ mac-address = [ 00 16 e8 02 08 42 ];
+ clocks = <&clkgen 1>;
+ };
+
+ interrupt-controller@6e000 {
+ compatible = "sigma,tango-intc";
+ reg = <0x6e000 0x400>;
+ ranges = <0 0x6e000 0x400>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ irq0: irq0@6e000 {
+ reg = <0x000 0x100>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ irq1: irq1@6e100 {
+ reg = <0x100 0x100>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ irq2: irq2@6e300 {
+ reg = <0x300 0x100>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+ };
+};
new file mode 100644
@@ -0,0 +1,12 @@
+# Tango3 was based on MIPS 74kf. Tango4 is based on ARM Cortex-A9 MPCore.
+
+config ARCH_TANGOX
+ bool "Sigma Designs Tango4 (SMP87xx)" if ARCH_MULTI_V7
+ select ARCH_HAS_HOLES_MEMORYMODEL
+ select ARM_ERRATA_754322
+ select ARM_ERRATA_764369 if SMP
+ select ARM_GIC
+ select CLKSRC_TANGO_XTAL
+ select GENERIC_IRQ_CHIP
+ select HAVE_ARM_SCU
+ select HAVE_ARM_TWD
new file mode 100644
@@ -0,0 +1 @@
+obj-y += setup.o
new file mode 100644
@@ -0,0 +1,7 @@
+#include <asm/mach/arch.h>
+
+static const char *tango_dt_compat[] = { "sigma,tango4", NULL };
+
+DT_MACHINE_START(TANGO_DT, "Sigma Tango DT")
+ .dt_compat = tango_dt_compat,
+MACHINE_END
Support Tango4 platforms (single and dual core SoCs) built around the ARM Cortex-A9 MPCore. Tango4 is not to be confused with Tango3, which was built around the MIPS 74kf. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> --- Changes in v4 add memory node, cpus node, l2cc node rewrite clkgen node, as requested by clk maintainers not sure about pmu node --- arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/tango4-vantage-1172.dts | 18 ++++ arch/arm/boot/dts/tango4.dtsi | 134 ++++++++++++++++++++++++++++++ arch/arm/mach-tangox/Kconfig | 12 +++ arch/arm/mach-tangox/Makefile | 1 + arch/arm/mach-tangox/setup.c | 7 ++ 8 files changed, 177 insertions(+) create mode 100644 arch/arm/boot/dts/tango4-vantage-1172.dts create mode 100644 arch/arm/boot/dts/tango4.dtsi create mode 100644 arch/arm/mach-tangox/Kconfig create mode 100644 arch/arm/mach-tangox/Makefile create mode 100644 arch/arm/mach-tangox/setup.c