From mboxrd@z Thu Jan 1 00:00:00 1970 From: slash.tmp@free.fr (Mason) Date: Fri, 2 Oct 2015 18:02:04 +0200 Subject: [PATCH] arm-soc: Add Sigma Designs Tango4 port Message-ID: <560EAA7C.3070302@free.fr> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add support for Tango4-based SoCs (SMP8756, SMP8758) Signed-off-by: Marc Gonzalez --- NOTE: Mans reviewed the patch, and noted that the proposed clock tree is too simplified. I have an upcoming patch fixing that issue. --- arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/tango4.dtsi | 117 +++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/vantage-1172.dts | 8 +++ arch/arm/mach-tangox/Kconfig | 12 ++++ arch/arm/mach-tangox/Makefile | 1 + arch/arm/mach-tangox/setup.c | 7 +++ 8 files changed, 150 insertions(+) create mode 100644 arch/arm/boot/dts/tango4.dtsi create mode 100644 arch/arm/boot/dts/vantage-1172.dts 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..42ba8b1be0d5 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-$(CONFIG_ARCH_TANGOX) += \ + vantage-1172.dtb dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \ tegra20-harmony.dtb \ tegra20-iris-512.dtb \ diff --git a/arch/arm/boot/dts/tango4.dtsi b/arch/arm/boot/dts/tango4.dtsi new file mode 100644 index 000000000000..7336fcc3ac1d --- /dev/null +++ b/arch/arm/boot/dts/tango4.dtsi @@ -0,0 +1,117 @@ +#include + +/ { + compatible = "sigma,tango4-soc"; + + #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>; + }; + + sysclk: sysclk { + compatible = "fixed-clock"; + clock-frequency = <396000000>; + #clock-cells = <0>; + }; + + cpuclk: cpuclk { + compatible = "fixed-clock"; + clock-frequency = <999000000>; + #clock-cells = <0>; + }; + + periphclk: periphclk { + compatible = "fixed-factor-clock"; + clocks = <&cpuclk>; + clock-mult = <1>; + clock-div = <2>; + #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; + + xtal_in_cnt { + compatible = "sigma,xtal_in_cnt"; + reg = <0x10048 0x4>; + clocks = <&xtal>; + }; + + uart0 { + compatible = "ralink,rt2880-uart"; + reg = <0x10700 0x100>; + clock-frequency = <7372800>; + reg-shift = <2>; +/* fifo-size = <16>; BROKEN */ + }; + + eth0: eth0 { + compatible = "sigma,smp8640-emac"; + reg = <0x26000 0x800>; + interrupts = <38 4>; + interrupt-parent = <&irq0>; + mac-address = [ 00 16 e8 02 08 42 ]; + clocks = <&sysclk>; + }; + + intc: intc at e000 { + compatible = "sigma,tango-intc"; + reg = <0x6e000 0x1000>; + interrupt-parent = <&gic>; + interrupt-controller; + #address-cells = <1>; + #size-cells = <1>; + + irq0: irq0 at 000 { + reg = <0x000 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 2 4>; + }; + + irq1: irq1 at 100 { + reg = <0x100 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 3 4>; + }; + + irq2: irq2 at 300 { + reg = <0x300 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 4 4>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/vantage-1172.dts b/arch/arm/boot/dts/vantage-1172.dts new file mode 100644 index 000000000000..56f6babe7093 --- /dev/null +++ b/arch/arm/boot/dts/vantage-1172.dts @@ -0,0 +1,8 @@ +/dts-v1/; + +#include "tango4.dtsi" + +ð0 { + phy-connection-type = "rgmii"; + max-speed = <1000>; +}; diff --git a/arch/arm/mach-tangox/Kconfig b/arch/arm/mach-tangox/Kconfig new file mode 100644 index 000000000000..152cdd487056 --- /dev/null +++ b/arch/arm/mach-tangox/Kconfig @@ -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 GENERIC_IRQ_CHIP + select HAVE_ARM_SCU + select HAVE_ARM_TWD + select SERIAL_8250_RT288X if SERIAL_8250 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..14baf14bbd49 --- /dev/null +++ b/arch/arm/mach-tangox/setup.c @@ -0,0 +1,7 @@ +#include + +static const char *tango_dt_compat[] = { "sigma,tango4-soc", NULL }; + +DT_MACHINE_START(TANGO_DT, "Sigma TangoX DT") + .dt_compat = tango_dt_compat, +MACHINE_END -- 2.4.5