arm64: amd-seattle: Adding device tree for AMD Seattle platform

Initial revision of device tree for AMD Seattle Development platform.

Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Thomas Lendacky <Thomas.Lendacky@amd.com>
Signed-off-by: Joel Schopp <Joel.Schopp@amd.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9532f8d..ddc0196 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -142,6 +142,11 @@ source "kernel/Kconfig.freezer"
 
 menu "Platform selection"
 
+config ARCH_SEATTLE
+       bool "AMD Seattle SoC Family"
+       help
+         This enables support for AMD Seattle SOC Family
+
 config ARCH_THUNDER
        bool "Cavium Inc. Thunder SoC Family"
        help

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index e8efc8f..3b8d427 100644 (file)
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -1,3 +1,4 @@
+dts-dirs += amd
 dts-dirs += apm
 dts-dirs += arm
 dts-dirs += cavium

diff --git a/arch/arm64/boot/dts/amd/Makefile b/arch/arm64/boot/dts/amd/Makefile
new file mode 100644 (file)
index 0000000..cfdf701
--- /dev/null
+++ b/arch/arm64/boot/dts/amd/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive.dtb
+
+always         := $(dtb-y)
+subdir-y       := $(dts-dirs)
+clean-files    := *.dtb

diff --git a/arch/arm64/boot/dts/amd/amd-overdrive.dts b/arch/arm64/boot/dts/amd/amd-overdrive.dts
new file mode 100644 (file)
index 0000000..564a3f7
--- /dev/null
+++ b/arch/arm64/boot/dts/amd/amd-overdrive.dts
@@ -0,0 +1,66 @@
+/*
+ * DTS file for AMD Seattle Overdrive Development Board
+ *
+ * Copyright (C) 2014 Advanced Micro Devices, Inc.
+ */
+
+/dts-v1/;
+
+/include/ "amd-seattle-soc.dtsi"
+
+/ {
+       model = "AMD Seattle Development Board (Overdrive)";
+       compatible = "amd,seattle-overdrive", "amd,seattle";
+
+       chosen {
+               stdout-path = &serial0;
+               linux,pci-probe-only;
+       };
+};
+
+&ccp0 {
+       status = "ok";
+};
+
+&gpio0 {
+       status = "ok";
+};
+
+&gpio1 {
+       status = "ok";
+};
+
+&i2c0 {
+       status = "ok";
+};
+
+&pcie0 {
+       status = "ok";
+};
+
+&spi0 {
+       status = "ok";
+};
+
+&spi1 {
+       status = "ok";
+       sdcard0: sdcard@0 {
+               compatible = "mmc-spi-slot";
+               reg = <0>;
+               spi-max-frequency = <20000000>;
+               voltage-ranges = <3200 3400>;
+               gpios = <&gpio0 7 0>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <7 3>;
+               pl022,hierarchy = <0>;
+               pl022,interface = <0>;
+               pl022,com-mode = <0x0>;
+               pl022,rx-level-trig = <0>;
+               pl022,tx-level-trig = <0>;
+       };
+};
+
+&v2m0 {
+       arm,msi-base-spi = <64>;
+       arm,msi-num-spis = <256>;
+};

diff --git a/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi
new file mode 100644 (file)
index 0000000..f623c46
--- /dev/null
+++ b/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi
@@ -0,0 +1,54 @@
+/*
+ * DTS file for AMD Seattle Clocks
+ *
+ * Copyright (C) 2014 Advanced Micro Devices, Inc.
+ */
+
+       adl3clk_100mhz: clk100mhz_0 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <100000000>;
+               clock-output-names = "adl3clk_100mhz";
+       };
+
+       ccpclk_375mhz: clk375mhz {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <375000000>;
+               clock-output-names = "ccpclk_375mhz";
+       };
+
+       sataclk_333mhz: clk333mhz {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <333000000>;
+               clock-output-names = "sataclk_333mhz";
+       };
+
+       pcieclk_500mhz: clk500mhz_0 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <500000000>;
+               clock-output-names = "pcieclk_500mhz";
+       };
+
+       dmaclk_500mhz: clk500mhz_1 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <500000000>;
+               clock-output-names = "dmaclk_500mhz";
+       };
+
+       miscclk_250mhz: clk250mhz_4 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <250000000>;
+               clock-output-names = "miscclk_250mhz";
+       };
+
+       uartspiclk_100mhz: clk100mhz_1 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <100000000>;
+               clock-output-names = "uartspiclk_100mhz";
+       };

diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
new file mode 100644 (file)
index 0000000..0c8e7ae
--- /dev/null
+++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
@@ -0,0 +1,172 @@
+/*
+ * DTS file for AMD Seattle SoC
+ *
+ * Copyright (C) 2014 Advanced Micro Devices, Inc.
+ */
+
+/ {
+       compatible = "amd,seattle";
+       interrupt-parent = <&gic0>;
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       gic0: interrupt-controller@e1101000 {
+               compatible = "arm,gic-400", "arm,cortex-a15-gic";
+               interrupt-controller;
+               #interrupt-cells = <3>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               reg = <0x0 0xe1110000 0 0x1000>,
+                     <0x0 0xe112f000 0 0x2000>,
+                     <0x0 0xe1140000 0 0x10000>,
+                     <0x0 0xe1160000 0 0x10000>;
+               interrupts = <1 9 0xf04>;
+               ranges = <0 0 0 0xe1100000 0 0x100000>;
+               v2m0: v2m@e0080000 {
+                       compatible = "arm,gic-v2m-frame";
+                       msi-controller;
+                       reg = <0x0 0x00080000 0 0x1000>;
+               };
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               interrupts = <1 13 0xff04>,
+                            <1 14 0xff04>,
+                            <1 11 0xff04>,
+                            <1 10 0xff04>;
+       };
+
+       pmu {
+               compatible = "arm,armv8-pmuv3";
+               interrupts = <0 7 4>,
+                            <0 8 4>,
+                            <0 9 4>,
+                            <0 10 4>,
+                            <0 11 4>,
+                            <0 12 4>,
+                            <0 13 4>,
+                            <0 14 4>;
+       };
+
+       smb0: smb {
+               compatible = "simple-bus";
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               /* DDR range is 40-bit addressing */
+               dma-ranges = <0x80 0x0 0x80 0x0 0x7f 0xffffffff>;
+
+               /include/ "amd-seattle-clks.dtsi"
+
+               sata0: sata@e0300000 {
+                       compatible = "snps,dwc-ahci";
+                       reg = <0 0xe0300000 0 0x800>;
+                       interrupts = <0 355 4>;
+                       clocks = <&sataclk_333mhz>;
+                       dma-coherent;
+               };
+
+               i2c0: i2c@e1000000 {
+                       status = "disabled";
+                       compatible = "snps,designware-i2c";
+                       reg = <0 0xe1000000 0 0x1000>;
+                       interrupts = <0 357 4>;
+                       clocks = <&uartspiclk_100mhz>;
+               };
+
+               serial0: serial@e1010000 {
+                       compatible = "arm,pl011", "arm,primecell";
+                       reg = <0 0xe1010000 0 0x1000>;
+                       interrupts = <0 328 4>;
+                       clocks = <&uartspiclk_100mhz>, <&uartspiclk_100mhz>;
+                       clock-names = "uartclk", "apb_pclk";
+               };
+
+               spi0: ssp@e1020000 {
+                       status = "disabled";
+                       compatible = "arm,pl022", "arm,primecell";
+                       #gpio-cells = <2>;
+                       reg = <0 0xe1020000 0 0x1000>;
+                       spi-controller;
+                       interrupts = <0 330 4>;
+                       clocks = <&uartspiclk_100mhz>;
+                       clock-names = "apb_pclk";
+               };
+
+               spi1: ssp@e1030000 {
+                       status = "disabled";
+                       compatible = "arm,pl022", "arm,primecell";
+                       #gpio-cells = <2>;
+                       reg = <0 0xe1030000 0 0x1000>;
+                       spi-controller;
+                       interrupts = <0 329 4>;
+                       clocks = <&uartspiclk_100mhz>;
+                       clock-names = "apb_pclk";
+                       num-cs = <1>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+               };
+
+               gpio0: gpio@e1040000 {
+                       status = "disabled";
+                       compatible = "arm,pl061", "arm,primecell";
+                       #gpio-cells = <2>;
+                       reg = <0 0xe1040000 0 0x1000>;
+                       gpio-controller;
+                       interrupts = <0 359 4>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
+                       clocks = <&uartspiclk_100mhz>;
+                       clock-names = "apb_pclk";
+               };
+
+               gpio1: gpio@e1050000 {
+                       status = "disabled";
+                       compatible = "arm,pl061", "arm,primecell";
+                       #gpio-cells = <2>;
+                       reg = <0 0xe1050000 0 0x1000>;
+                       gpio-controller;
+                       interrupts = <0 358 4>;
+                       clocks = <&uartspiclk_100mhz>;
+                       clock-names = "apb_pclk";
+               };
+
+               ccp0: ccp@e0100000 {
+                       status = "disabled";
+                       compatible = "amd,ccp-seattle-v1a";
+                       reg = <0 0xe0100000 0 0x10000>;
+                       interrupts = <0 3 4>;
+                       dma-coherent;
+               };
+
+               pcie0: pcie@f0000000 {
+                       compatible = "pci-host-ecam-generic";
+                       #address-cells = <3>;
+                       #size-cells = <2>;
+                       #interrupt-cells = <1>;
+                       device_type = "pci";
+                       bus-range = <0 0xff>;
+                       msi-parent = <&v2m0>;
+                       reg = <0 0xf0000000 0 0x10000000>;
+
+                       interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
+                       interrupt-map =
+                               <0x1000 0x0 0x0 0x1 &gic0 0x0 0x0 0x0 0x120 0x1>,
+                               <0x1000 0x0 0x0 0x2 &gic0 0x0 0x0 0x0 0x121 0x1>,
+                               <0x1000 0x0 0x0 0x3 &gic0 0x0 0x0 0x0 0x122 0x1>,
+                               <0x1000 0x0 0x0 0x4 &gic0 0x0 0x0 0x0 0x123 0x1>;
+
+                       dma-coherent;
+                       dma-ranges = <0x43000000 0x80 0x0 0x80 0x0 0x7f 0xffffffff>;
+                       ranges =
+                               /* I/O Memory (size=64K) */
+                               <0x01000000 0x00 0x00000000 0x00 0xefff0000 0x00 0x00010000>,
+                               /* 32-bit MMIO (size=2G) */
+                               <0x02000000 0x00 0x40000000 0x00 0x40000000 0x00 0x80000000>,
+                               /* 64-bit MMIO (size= 124G) */
+                               <0x03000000 0x01 0x00000000 0x01 0x00000000 0x7f 0x00000000>;
+               };
+       };
+};