From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc_gonzalez@sigmadesigns.com (Marc Gonzalez) Date: Tue, 6 Oct 2015 17:57:00 +0200 Subject: [PATCH v3] arm-soc: Add support for Sigma Designs Tango4 In-Reply-To: <5612A473.8030405@sigmadesigns.com> References: <560EAA7C.3070302@free.fr> <5124277.UR9sg1IOHT@wuerfel> <560EFDB3.9010305@free.fr> <11113740.WL812ZaRcZ@wuerfel> <5612A473.8030405@sigmadesigns.com> Message-ID: <5613EF4C.30603@sigmadesigns.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds support for Sigma Designs "Tango4" platform, which is built around the ARM Cortex A9 MPCore (single and dual core SoCs). Tango4 is not to be confused with Tango3, which was built around a MIPS 74kf CPU. Signed-off-by: Marc Gonzalez --- v3 changes: Updated clock tree DT (clk driver submitted) --- arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/tango4-vantage-1172.dts | 17 ++++ arch/arm/boot/dts/tango4.dtsi | 133 ++++++++++++++++++++++++++++++ arch/arm/mach-tangox/Kconfig | 11 +++ arch/arm/mach-tangox/Makefile | 1 + arch/arm/mach-tangox/setup.c | 7 ++ 8 files changed, 174 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 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1c5021002fe4..94a1a0277c94 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -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" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 7451b447cc2d..7fcb4c63cdf7 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -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 diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 246473a244f6..2499295051d5 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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 \ diff --git a/arch/arm/boot/dts/tango4-vantage-1172.dts b/arch/arm/boot/dts/tango4-vantage-1172.dts new file mode 100644 index 000000000000..3eff944e2103 --- /dev/null +++ b/arch/arm/boot/dts/tango4-vantage-1172.dts @@ -0,0 +1,17 @@ +/dts-v1/; + +#include "tango4.dtsi" + +/ { + model = "Sigma Designs SMP8758 Vantage-1172 dev board"; + compatible = "sigma,vantage-1172", "sigma,smp8758", "sigma,tango4"; + + chosen { + stdout-path = &uart; + }; +}; + +ð0 { + phy-connection-type = "rgmii"; + max-speed = <1000>; +}; diff --git a/arch/arm/boot/dts/tango4.dtsi b/arch/arm/boot/dts/tango4.dtsi new file mode 100644 index 000000000000..c682617866e9 --- /dev/null +++ b/arch/arm/boot/dts/tango4.dtsi @@ -0,0 +1,133 @@ +#include + +/ { + 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>; + }; + + pll0: pll0 { + compatible = "sigma,tango4-pll"; + reg = <0x10000 4>; + clocks = <&xtal>; + #clock-cells = <0>; + }; + + pll1: pll1 { + compatible = "sigma,tango4-pll"; + reg = <0x10008 4>; + clocks = <&xtal>; + #clock-cells = <0>; + }; + + cpuclk: cpuclk { + compatible = "sigma,tango4-cpuclk"; + reg = <0x10024 4>; + clocks = <&pll0>; + #clock-cells = <0>; + }; + + periphclk: periphclk { + compatible = "fixed-factor-clock"; + clocks = <&cpuclk>; + clock-mult = <1>; + clock-div = <2>; + #clock-cells = <0>; + }; + + sysclk: sysclk { + compatible = "fixed-factor-clock"; + clocks = <&pll1>; + clock-mult = <1>; + clock-div = <3>; /* HW bug precludes other dividers */ + #clock-cells = <0>; + }; + }; + + gic: gic at 20001000 { + compatible = "arm,cortex-a9-gic"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x20001000 0x1000>, + <0x20000100 0x0100>; + }; + + twd-timer at 20000600 { + compatible = "arm,cortex-a9-twd-timer"; + reg = <0x20000600 0x10>; + interrupts = <1 13 0xf01>; + interrupt-parent = <&gic>; + clocks = <&periphclk>; + twd-never-stops; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + tick-counter at 10048 { + compatible = "sigma,tick-counter"; + reg = <0x10048 0x4>; + clocks = <&xtal>; + }; + + uart: serial at 10700 { + compatible = "ralink,rt2880-uart"; + reg = <0x10700 0x100>; + clock-frequency = <7372800>; + reg-shift = <2>; + }; + + eth0: ethernet at 26000 { + compatible = "sigma,tango-emac"; + reg = <0x26000 0x800>; + interrupts = <38 4>; + interrupt-parent = <&irq0>; + clocks = <&sysclk>; + }; + + interrupt-controller at 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 at 6e000 { + reg = <0x000 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 2 4>; + }; + + irq1: irq1 at 6e100 { + reg = <0x100 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 3 4>; + }; + + irq2: irq2 at 6e300 { + reg = <0x300 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 4 4>; + }; + }; + }; +}; diff --git a/arch/arm/mach-tangox/Kconfig b/arch/arm/mach-tangox/Kconfig new file mode 100644 index 000000000000..b8a308f08ec6 --- /dev/null +++ b/arch/arm/mach-tangox/Kconfig @@ -0,0 +1,11 @@ +# 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 GENERIC_IRQ_CHIP + select HAVE_ARM_SCU + select HAVE_ARM_TWD diff --git a/arch/arm/mach-tangox/Makefile b/arch/arm/mach-tangox/Makefile new file mode 100644 index 000000000000..2b9dba458932 --- /dev/null +++ b/arch/arm/mach-tangox/Makefile @@ -0,0 +1 @@ +obj-y += setup.o diff --git a/arch/arm/mach-tangox/setup.c b/arch/arm/mach-tangox/setup.c new file mode 100644 index 000000000000..46ae91e49f81 --- /dev/null +++ b/arch/arm/mach-tangox/setup.c @@ -0,0 +1,7 @@ +#include + +static const char *tango_dt_compat[] = { "sigma,tango4", NULL }; + +DT_MACHINE_START(TANGO_DT, "Sigma Tango DT") + .dt_compat = tango_dt_compat, +MACHINE_END -- 2.4.5