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Message-Id: <20220406233648.21644-12-brad@pensando.io>
Date: Wed, 6 Apr 2022 16:36:48 -0700
From: Brad Larson <brad@...sando.io>
To: linux-arm-kernel@...ts.infradead.org
Cc: arnd@...db.de, linus.walleij@...aro.org, bgolaszewski@...libre.com,
broonie@...nel.org, fancer.lancer@...il.com,
adrian.hunter@...el.com, ulf.hansson@...aro.org, olof@...om.net,
brad@...sando.io, dac2@...sando.io, linux-gpio@...r.kernel.org,
linux-spi@...r.kernel.org, linux-mmc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 11/11] arm64: dts: Add Pensando Elba SoC support
Add Pensando common and Elba SoC specific device nodes
Signed-off-by: Brad Larson <brad@...sando.io>
---
Change from V3:
- Changed to dual copyright (GPL-2.0+ OR MIT)
- Minor changes from review input
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/pensando/Makefile | 3 +
arch/arm64/boot/dts/pensando/elba-16core.dtsi | 189 ++++++++++++++++++
.../boot/dts/pensando/elba-asic-common.dtsi | 98 +++++++++
arch/arm64/boot/dts/pensando/elba-asic.dts | 28 +++
.../boot/dts/pensando/elba-flash-parts.dtsi | 106 ++++++++++
arch/arm64/boot/dts/pensando/elba.dtsi | 189 ++++++++++++++++++
7 files changed, 614 insertions(+)
create mode 100644 arch/arm64/boot/dts/pensando/Makefile
create mode 100644 arch/arm64/boot/dts/pensando/elba-16core.dtsi
create mode 100644 arch/arm64/boot/dts/pensando/elba-asic-common.dtsi
create mode 100644 arch/arm64/boot/dts/pensando/elba-asic.dts
create mode 100644 arch/arm64/boot/dts/pensando/elba-flash-parts.dtsi
create mode 100644 arch/arm64/boot/dts/pensando/elba.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 1ba04e31a438..cb697f9be2a4 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -20,6 +20,7 @@ subdir-y += marvell
subdir-y += mediatek
subdir-y += microchip
subdir-y += nvidia
+subdir-y += pensando
subdir-y += qcom
subdir-y += realtek
subdir-y += renesas
diff --git a/arch/arm64/boot/dts/pensando/Makefile b/arch/arm64/boot/dts/pensando/Makefile
new file mode 100644
index 000000000000..3d34b8a28a3f
--- /dev/null
+++ b/arch/arm64/boot/dts/pensando/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+dtb-$(CONFIG_ARCH_PENSANDO) += elba-asic.dtb
diff --git a/arch/arm64/boot/dts/pensando/elba-16core.dtsi b/arch/arm64/boot/dts/pensando/elba-16core.dtsi
new file mode 100644
index 000000000000..9de602cdeb8b
--- /dev/null
+++ b/arch/arm64/boot/dts/pensando/elba-16core.dtsi
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020-2022 Pensando Systems Inc.
+ */
+
+/ {
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cpu-map {
+ cluster0 {
+ core0 { cpu = <&cpu0>; };
+ core1 { cpu = <&cpu1>; };
+ core2 { cpu = <&cpu2>; };
+ core3 { cpu = <&cpu3>; };
+ };
+
+ cluster1 {
+ core0 { cpu = <&cpu4>; };
+ core1 { cpu = <&cpu5>; };
+ core2 { cpu = <&cpu6>; };
+ core3 { cpu = <&cpu7>; };
+ };
+
+ cluster2 {
+ core0 { cpu = <&cpu8>; };
+ core1 { cpu = <&cpu9>; };
+ core2 { cpu = <&cpu10>; };
+ core3 { cpu = <&cpu11>; };
+ };
+
+ cluster3 {
+ core0 { cpu = <&cpu12>; };
+ core1 { cpu = <&cpu13>; };
+ core2 { cpu = <&cpu14>; };
+ core3 { cpu = <&cpu15>; };
+ };
+ };
+
+ /* CLUSTER 0 */
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x0>;
+ next-level-cache = <&l2_0>;
+ enable-method = "psci";
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x1>;
+ next-level-cache = <&l2_0>;
+ enable-method = "psci";
+ };
+
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x2>;
+ next-level-cache = <&l2_0>;
+ enable-method = "psci";
+ };
+
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x3>;
+ next-level-cache = <&l2_0>;
+ enable-method = "psci";
+ };
+
+ l2_0: l2-cache0 {
+ compatible = "cache";
+ };
+
+ /* CLUSTER 1 */
+ cpu4: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x100>;
+ next-level-cache = <&l2_1>;
+ enable-method = "psci";
+ };
+
+ cpu5: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x101>;
+ next-level-cache = <&l2_1>;
+ enable-method = "psci";
+ };
+
+ cpu6: cpu@102 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x102>;
+ next-level-cache = <&l2_1>;
+ enable-method = "psci";
+ };
+
+ cpu7: cpu@103 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x103>;
+ next-level-cache = <&l2_1>;
+ enable-method = "psci";
+ };
+
+ l2_1: l2-cache1 {
+ compatible = "cache";
+ };
+
+ /* CLUSTER 2 */
+ cpu8: cpu@200 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x200>;
+ next-level-cache = <&l2_2>;
+ enable-method = "psci";
+ };
+
+ cpu9: cpu@201 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x201>;
+ next-level-cache = <&l2_2>;
+ enable-method = "psci";
+ };
+
+ cpu10: cpu@202 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x202>;
+ next-level-cache = <&l2_2>;
+ enable-method = "psci";
+ };
+
+ cpu11: cpu@203 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x203>;
+ next-level-cache = <&l2_2>;
+ enable-method = "psci";
+ };
+
+ l2_2: l2-cache2 {
+ compatible = "cache";
+ };
+
+ /* CLUSTER 3 */
+ cpu12: cpu@300 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x300>;
+ next-level-cache = <&l2_3>;
+ enable-method = "psci";
+ };
+
+ cpu13: cpu@301 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x301>;
+ next-level-cache = <&l2_3>;
+ enable-method = "psci";
+ };
+
+ cpu14: cpu@302 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x302>;
+ next-level-cache = <&l2_3>;
+ enable-method = "psci";
+ };
+
+ cpu15: cpu@303 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0 0x303>;
+ next-level-cache = <&l2_3>;
+ enable-method = "psci";
+ };
+
+ l2_3: l2-cache3 {
+ compatible = "cache";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/pensando/elba-asic-common.dtsi b/arch/arm64/boot/dts/pensando/elba-asic-common.dtsi
new file mode 100644
index 000000000000..7a89df68fdf7
--- /dev/null
+++ b/arch/arm64/boot/dts/pensando/elba-asic-common.dtsi
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020-2022, Pensando Systems Inc.
+ */
+
+&ahb_clk {
+ clock-frequency = <400000000>;
+};
+
+&emmc_clk {
+ clock-frequency = <200000000>;
+};
+
+&flash_clk {
+ clock-frequency = <400000000>;
+};
+
+&ref_clk {
+ clock-frequency = <156250000>;
+};
+
+&qspi {
+ status = "okay";
+ flash0: flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <40000000>;
+ spi-rx-bus-width = <2>;
+ m25p,fast-read;
+ cdns,read-delay = <0>;
+ cdns,tshsl-ns = <0>;
+ cdns,tsd2d-ns = <0>;
+ cdns,tchsh-ns = <0>;
+ cdns,tslch-ns = <0>;
+ };
+};
+
+&gpio0 {
+ status = "okay";
+};
+
+&emmc {
+ bus-width = <8>;
+ status = "okay";
+};
+
+&wdt0 {
+ status = "okay";
+};
+
+&i2c0 {
+ clock-frequency = <100000>;
+ status = "okay";
+ rtc@51 {
+ compatible = "nxp,pcf85263";
+ reg = <0x51>;
+ };
+};
+
+&spi0 {
+ num-cs = <4>;
+ cs-gpios = <0>, <0>, <&porta 1 GPIO_ACTIVE_LOW>,
+ <&porta 7 GPIO_ACTIVE_LOW>;
+ status = "okay";
+ spi0_cs0@0 {
+ compatible = "semtech,sx1301"; /* Enable spidev */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <12000000>;
+ reg = <0>;
+ };
+
+ spi0_cs1@1 {
+ compatible = "semtech,sx1301";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <12000000>;
+ reg = <1>;
+ };
+
+ spi0_cs2@2 {
+ compatible = "semtech,sx1301";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <12000000>;
+ reg = <2>;
+ interrupt-parent = <&porta>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ };
+
+ spi0_cs3@3 {
+ compatible = "semtech,sx1301";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <12000000>;
+ reg = <3>;
+ };
+};
diff --git a/arch/arm64/boot/dts/pensando/elba-asic.dts b/arch/arm64/boot/dts/pensando/elba-asic.dts
new file mode 100644
index 000000000000..01251143dd5e
--- /dev/null
+++ b/arch/arm64/boot/dts/pensando/elba-asic.dts
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree file for Pensando Elba Board.
+ *
+ * Copyright (c) 2020-2022 Pensando Systems Inc.
+ */
+
+/dts-v1/;
+
+#include "elba.dtsi"
+#include "elba-16core.dtsi"
+#include "elba-asic-common.dtsi"
+#include "elba-flash-parts.dtsi"
+
+/ {
+ model = "Pensando Elba Board";
+ compatible = "pensando,elba-ortano", "pensando,elba";
+
+ aliases {
+ serial0 = &uart0;
+ spi0 = &spi0;
+ spi1 = &qspi;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
diff --git a/arch/arm64/boot/dts/pensando/elba-flash-parts.dtsi b/arch/arm64/boot/dts/pensando/elba-flash-parts.dtsi
new file mode 100644
index 000000000000..4b2e54d97494
--- /dev/null
+++ b/arch/arm64/boot/dts/pensando/elba-flash-parts.dtsi
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020-2022 Pensando Systems Inc.
+ */
+
+&flash0 {
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "flash";
+ reg = <0x10000 0xfff0000>;
+ };
+
+ partition@...00 {
+ label = "golduenv";
+ reg = <0xf0000 0x10000>;
+ };
+
+ partition@...000 {
+ label = "boot0";
+ reg = <0x100000 0x80000>;
+ };
+
+ partition@...000 {
+ label = "golduboot";
+ reg = <0x180000 0x200000>;
+ };
+
+ partition@...000 {
+ label = "brdcfg0";
+ reg = <0x380000 0x10000>;
+ };
+
+ partition@...000 {
+ label = "brdcfg1";
+ reg = <0x390000 0x10000>;
+ };
+
+ partition@...000 {
+ label = "goldfw";
+ reg = <0x400000 0x3c00000>;
+ };
+
+ partition@...0000 {
+ label = "fwmap";
+ reg = <0x4010000 0x20000>;
+ };
+
+ partition@...0000 {
+ label = "fwsel";
+ reg = <0x4030000 0x20000>;
+ };
+
+ partition@...0000 {
+ label = "bootlog";
+ reg = <0x4090000 0x20000>;
+ };
+
+ partition@...0000 {
+ label = "panicbuf";
+ reg = <0x40b0000 0x20000>;
+ };
+
+ partition@...0000 {
+ label = "uservars";
+ reg = <0x40d0000 0x20000>;
+ };
+
+ partition@...0000 {
+ label = "uboota";
+ reg = <0x4200000 0x400000>;
+ };
+
+ partition@...0000 {
+ label = "ubootb";
+ reg = <0x4600000 0x400000>;
+ };
+
+ partition@...0000 {
+ label = "mainfwa";
+ reg = <0x4a00000 0x1000000>;
+ };
+
+ partition@...0000 {
+ label = "mainfwb";
+ reg = <0x5a00000 0x1000000>;
+ };
+
+ partition@...0000 {
+ label = "diaguboot";
+ reg = <0x6a00000 0x400000>;
+ };
+
+ partition@...0000 {
+ label = "diagfw";
+ reg = <0x8000000 0x7fe0000>;
+ };
+
+ partition@...0000 {
+ label = "ubootenv";
+ reg = <0xffe0000 0x10000>;
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/pensando/elba.dtsi b/arch/arm64/boot/dts/pensando/elba.dtsi
new file mode 100644
index 000000000000..10e06eb8cda6
--- /dev/null
+++ b/arch/arm64/boot/dts/pensando/elba.dtsi
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020-2022, Pensando Systems Inc.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include "dt-bindings/interrupt-controller/arm-gic.h"
+
+/ {
+ model = "Elba ASIC Board";
+ compatible = "pensando,elba";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ dma-coherent;
+
+ ahb_clk: oscillator0 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+
+ emmc_clk: oscillator2 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+
+ flash_clk: oscillator3 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+
+ ref_clk: oscillator4 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+ };
+
+ pmu {
+ compatible = "arm,cortex-a72-pmu";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+ };
+
+ soc: soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ i2c0: i2c@400 {
+ compatible = "snps,designware-i2c";
+ reg = <0x0 0x400 0x0 0x100>;
+ clocks = <&ahb_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-sda-hold-time-ns = <480>;
+ snps,sda-timeout-ms = <750>;
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ wdt0: watchdog@...0 {
+ compatible = "snps,dw-wdt";
+ reg = <0x0 0x1400 0x0 0x100>;
+ clocks = <&ahb_clk>;
+ interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ qspi: spi@...0 {
+ compatible = "pensando,elba-qspi", "cdns,qspi-nor";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x0 0x2400 0x0 0x400>,
+ <0x0 0x7fff0000 0x0 0x1000>;
+ interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&flash_clk>;
+ cdns,fifo-depth = <1024>;
+ cdns,fifo-width = <4>;
+ cdns,trigger-address = <0x7fff0000>;
+ status = "disabled";
+ };
+
+ spi0: spi@...0 {
+ compatible = "pensando,elba-spi";
+ reg = <0x0 0x2800 0x0 0x100>;
+ pensando,syscon-spics = <&mssoc 0x2468>;
+ clocks = <&ahb_clk>;
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ num-cs = <2>;
+ status = "disabled";
+ };
+
+ gpio0: gpio@...0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x0 0x4000 0x0 0x78>;
+ status = "disabled";
+
+ porta: gpio-port@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ reg = <0>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <8>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
+ #interrupt-cells = <2>;
+ };
+
+ portb: gpio-port@1 {
+ compatible = "snps,dw-apb-gpio-port";
+ reg = <1>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <8>;
+ };
+ };
+
+ uart0: serial@...0 {
+ compatible = "ns16550a";
+ reg = <0x0 0x4800 0x0 0x100>;
+ clocks = <&ref_clk>;
+ interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ };
+
+ gic: interrupt-controller@...000 {
+ compatible = "arm,gic-v3";
+ #interrupt-cells = <3>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ interrupt-controller;
+ reg = <0x0 0x800000 0x0 0x200000>, /* GICD */
+ <0x0 0xa00000 0x0 0x200000>; /* GICR */
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+ /*
+ * Elba specific pre-ITS is enabled using the
+ * existing property socionext,synquacer-pre-its
+ */
+ gic_its: msi-controller@...000 {
+ compatible = "arm,gic-v3-its";
+ msi-controller;
+ #msi-cells = <1>;
+ reg = <0x0 0x820000 0x0 0x10000>;
+ socionext,synquacer-pre-its =
+ <0xc00000 0x1000000>;
+ };
+ };
+
+ emmc: mmc@...40000 {
+ compatible = "pensando,elba-sd4hc", "cdns,sd4hc";
+ clocks = <&emmc_clk>;
+ interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x0 0x30440000 0x0 0x10000>,
+ <0x0 0x30480044 0x0 0x4>; /* byte-lane ctrl */
+ cdns,phy-input-delay-sd-highspeed = <0x4>;
+ cdns,phy-input-delay-legacy = <0x4>;
+ cdns,phy-input-delay-sd-uhs-sdr50 = <0x6>;
+ cdns,phy-input-delay-sd-uhs-ddr50 = <0x16>;
+ mmc-ddr-1_8v;
+ status = "disabled";
+ };
+
+ mssoc: mssoc@...c0000 {
+ compatible = "syscon", "simple-mfd";
+ reg = <0x0 0x307c0000 0x0 0x3000>;
+ };
+ };
+};
--
2.17.1
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