[PATCH linux dev-4.10] Initial introduction of Mellanox switches of MSNXXXX family equipped with Aspeed 2520 BMC SoC. Initial minimal commit to support Mellanox MSNXXXX switches, including: Adding Mellanox msn platform early initialization. Adding Mellanox msn platform device tree file
Mykola Kostenok
c_mykolak at mellanox.com
Thu May 18 19:51:00 AEST 2017
Signed-off-by: Mykola Kostenok <c_mykolak at mellanox.com>
---
.../devicetree/bindings/vendor-prefixes.txt | 1 +
arch/arm/boot/dts/Makefile | 1 +
.../dts/aspeed-bmc-mellanox-msn-flash-layout.dtsi | 32 ++++
arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts | 205 +++++++++++++++++++++
arch/arm/configs/aspeed_g5_defconfig | 2 +
arch/arm/mach-aspeed/aspeed.c | 28 +++
6 files changed, 269 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-mellanox-msn-flash-layout.dtsi
create mode 100644 arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 16d3b5e7f5d1..84601d869a1b 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -172,6 +172,7 @@ meas Measurement Specialties
mediatek MediaTek Inc.
melexis Melexis N.V.
melfas MELFAS Inc.
+mellanox Mellanox Technologies
memsic MEMSIC Inc.
merrii Merrii Technology Co., Ltd.
micrel Micrel Inc.
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 30fe65627f30..3dba6c633686 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -990,6 +990,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-palmetto.dtb \
aspeed-bmc-opp-witherspoon.dtb \
aspeed-bmc-opp-zaius.dtb \
aspeed-bmc-opp-lanyang.dtb \
+ aspeed-bmc-mellanox-msn.dtb \
aspeed-ast2500-evb.dtb
endif
diff --git a/arch/arm/boot/dts/aspeed-bmc-mellanox-msn-flash-layout.dtsi b/arch/arm/boot/dts/aspeed-bmc-mellanox-msn-flash-layout.dtsi
new file mode 100644
index 000000000000..cf8ee54f13c2
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-mellanox-msn-flash-layout.dtsi
@@ -0,0 +1,32 @@
+/* This file is the label for the bmc primary flash and its partitions */
+ label = "bmc";
+ #address-cells = < 1 >;
+ #size-cells = < 1 >;
+ u-boot {
+ reg = < 0 0x60000 >;
+ label = "u-boot";
+ };
+ u-boot-env {
+ reg = < 0x60000 0x10000>;
+ label = "u-boot-env";
+ };
+ kernel {
+ reg = < 0x70000 0x280000 >;
+ label = "kernel";
+ };
+ dtb {
+ reg = < 0x2f0000 0x10000 >;
+ label = "dtb";
+ };
+ initramfs {
+ reg = < 0x300000 0x1c0000 >;
+ label = "initramfs";
+ };
+ rofs {
+ reg = < 0x4c0000 0x1740000 >;
+ label = "rofs";
+ };
+ rwfs {
+ reg = < 0x1c00000 0x400000 >;
+ label = "rwfs";
+ };
diff --git a/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts b/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts
new file mode 100644
index 000000000000..372ce2cd5320
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts
@@ -0,0 +1,205 @@
+/dts-v1/;
+
+#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include "aspeed-g5.dtsi"
+
+/ {
+ model = "MSNXXXX BMC";
+ compatible = "mellanox,msnxxxx-bmc", "aspeed,ast2500";
+
+ aliases {
+ serial0 = &uart1;
+ serial4 = &uart5;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=ttyS4,115200n8 earlyprintk";
+ };
+
+ memory {
+ /* 512MiB SDRAM DDR4 @ 0x8000_0000 */
+ reg = <0x80000000 0x20000000>;
+ };
+
+ ahb {
+ bmc_pnor: fmc at 1e620000 {
+ reg = < 0x1e620000 0xc4
+ 0x20000000 0x02000000 >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "aspeed,ast2500-fmc";
+ interrupts = <19>;
+ flash at 0 {
+ reg = < 0 >;
+ compatible = "jedec,spi-nor" ;
+#include "aspeed-bmc-mellanox-msn-flash-layout.dtsi"
+ };
+ };
+
+ host_pnor: spi2 at 1e631000 {
+ reg = < 0x1e631000 0xc4
+ 0x38000000 0x08000000 >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "aspeed,ast2500-spi";
+ status = "disabled";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spi2ck_default
+ &pinctrl_spi2cs0_default
+ &pinctrl_spi2miso_default
+ &pinctrl_spi2mosi_default>;
+
+ host_flash {
+ reg = < 0 >;
+ compatible = "jedec,spi-nor";
+ label = "host_flash";
+ #address-cells = < 1 >;
+ #size-cells = < 1 >;
+ };
+ };
+ };
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&mac0 {
+ status = "okay";
+ use-ncsi;
+ no-hw-checksum;
+};
+
+&i2c0 {
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+};
+
+&i2c2 {
+ status = "okay";
+};
+
+&i2c3 {
+ status = "okay";
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+
+ eeprom at 51 {
+ compatible = "atmel,24c32";
+ reg = <0x51>;
+ };
+};
+
+&i2c6 {
+ status = "okay";
+
+ eeprom at 51 {
+ compatible = "atmel,24c32";
+ reg = <0x51>;
+ };
+
+ eeprom at 52 {
+ compatible = "atmel,24c32";
+ reg = <0x52>;
+ };
+
+ eeprom at 55 {
+ compatible = "atmel,24c32";
+ reg = <0x55>;
+ };
+
+ i2cswitch at 71 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x71>;
+ };
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ status = "okay";
+
+ carrier_ambient: lm75 at 49 {
+ #thermal-sensor-cells = <0>;
+ compatible = "national,lm75";
+ reg = <0x49>;
+ };
+
+ swbrd_ambient: lm75 at 4a {
+ #thermal-sensor-cells = <0>;
+ compatible = "national,lm75";
+ reg = <0x4a>;
+ };
+};
+
+&i2c9 {
+ status = "okay";
+};
+
+&i2c10 {
+ status = "okay";
+
+ hwmon at 41 {
+ compatible = "ti,ucd9224";
+ reg = <0x41>;
+ };
+
+ hwmon at 27 {
+ compatible = "ti,ucd9224";
+ reg = <0x27>;
+ };
+
+ adc at 6d {
+ compatible = "maxim,max11603";
+ reg = <0x6d>;
+ adc0: iio-device at 0 {
+ #io-channel-cells = <1>;
+ io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>,
+ <&adc0 3>, <&adc0 4>, <&adc0 5>,
+ <&adc0 6>, <&adc0 7>;
+ };
+ };
+};
+
+&i2c11 {
+ status = "okay";
+};
+
+&i2c12 {
+ status = "okay";
+};
+
+&i2c13 {
+ status = "okay";
+};
+
+&vuart {
+ status = "okay";
+};
diff --git a/arch/arm/configs/aspeed_g5_defconfig b/arch/arm/configs/aspeed_g5_defconfig
index d0deda45f55b..49a270266fd9 100644
--- a/arch/arm/configs/aspeed_g5_defconfig
+++ b/arch/arm/configs/aspeed_g5_defconfig
@@ -140,6 +140,7 @@ CONFIG_PMBUS=y
CONFIG_SENSORS_ADM1275=y
CONFIG_SENSORS_LM25066=y
CONFIG_SENSORS_UCD9000=y
+CONFIG_SENSORS_UCD9200=y
CONFIG_SENSORS_TMP421=y
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
@@ -164,6 +165,7 @@ CONFIG_MAILBOX=y
CONFIG_ASPEED_LPC_MBOX=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_IIO=y
+CONFIG_MAX1363=y
CONFIG_ASPEED_ADC=y
CONFIG_BMP280=y
CONFIG_FSI=y
diff --git a/arch/arm/mach-aspeed/aspeed.c b/arch/arm/mach-aspeed/aspeed.c
index 0f1a536ba1b2..25fbc6c1adb7 100644
--- a/arch/arm/mach-aspeed/aspeed.c
+++ b/arch/arm/mach-aspeed/aspeed.c
@@ -27,6 +27,7 @@
#define AST_BASE_MAC0 0X1E660000 /* MAC 1 */
#define AST_BASE_SCU 0x1E6E2000 /* System Control Unit (SCU) */
#define AST_BASE_GPIO 0x1E780000 /* GPIO Controller */
+#define AST_BASE_WD 0x1E785000 /* Watchdog */
static struct map_desc aspeed_io_desc[] __initdata __maybe_unused = {
{
@@ -188,6 +189,31 @@ static void __init do_lanyang_setup(void)
writel(reg & ~BIT(4), AST_IO(AST_BASE_LPC | 0x98));
}
+static void __init do_mellanox_setup(void)
+{
+ unsigned long reg;
+
+ do_common_setup();
+
+ /* Set strap to RGMII for dedicated PHY networking */
+ reg = readl(AST_IO(AST_BASE_SCU | 0x70));
+ reg |= BIT(7);
+ reg &= ~BIT(6);
+ writel(reg, AST_IO(AST_BASE_SCU | 0x70));
+
+ /* Disable UART1 Reset from LPC */
+ writel(0x00000A00, AST_IO(AST_BASE_LPC | 0x98));
+
+ reg = readl(AST_IO(AST_BASE_SCU | 0x48));
+ reg |= BIT(29);
+ writel(reg, AST_IO(AST_BASE_SCU | 0x48));
+
+ /* Disable WD2 */
+ reg = readl(AST_IO(AST_BASE_WD | 0x2c));
+ reg &= ~BIT(0);
+ writel(reg, AST_IO(AST_BASE_WD | 0x2c));
+}
+
#define SCU_PASSWORD 0x1688A8A8
static void __init aspeed_init_early(void)
@@ -227,6 +253,8 @@ static void __init aspeed_init_early(void)
do_romulus_setup();
if (of_machine_is_compatible("inventec,lanyang-bmc"))
do_lanyang_setup();
+ if (of_machine_is_compatible("mellanox,msnxxxx-bmc"))
+ do_mellanox_setup();
}
static void __init aspeed_map_io(void)
--
2.11.0
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