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-rw-r--r--arch/mips/boot/dts/ingenic/ci20.dts15
-rw-r--r--arch/mips/boot/dts/ralink/Makefile4
-rw-r--r--arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts128
-rw-r--r--arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts122
-rw-r--r--arch/mips/boot/dts/ralink/mt7621.dtsi497
-rw-r--r--arch/mips/configs/cobalt_defconfig1
-rw-r--r--arch/mips/configs/decstation_64_defconfig1
-rw-r--r--arch/mips/configs/decstation_defconfig1
-rw-r--r--arch/mips/configs/decstation_r4k_defconfig1
-rw-r--r--arch/mips/configs/ip22_defconfig1
-rw-r--r--arch/mips/configs/ip32_defconfig1
-rw-r--r--arch/mips/configs/jazz_defconfig1
-rw-r--r--arch/mips/configs/malta_defconfig1
-rw-r--r--arch/mips/configs/malta_kvm_defconfig1
-rw-r--r--arch/mips/configs/maltaup_xpa_defconfig1
-rw-r--r--arch/mips/configs/rm200_defconfig1
-rw-r--r--arch/mips/configs/tb0219_defconfig1
-rw-r--r--arch/mips/configs/tb0226_defconfig1
-rw-r--r--arch/mips/configs/tb0287_defconfig1
-rw-r--r--arch/mips/configs/workpad_defconfig1
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h2
-rw-r--r--arch/mips/include/asm/pgtable.h10
-rw-r--r--arch/mips/include/asm/uaccess.h49
-rw-r--r--arch/mips/include/uapi/asm/mman.h2
-rw-r--r--arch/mips/include/uapi/asm/shmbuf.h7
-rw-r--r--arch/mips/include/uapi/asm/signal.h2
-rw-r--r--arch/mips/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/kernel/ptrace.c5
-rw-r--r--arch/mips/kernel/setup.c2
-rw-r--r--arch/mips/kernel/signal.c4
-rw-r--r--arch/mips/kernel/smp.c6
-rw-r--r--arch/mips/kernel/syscalls/Makefile3
-rw-r--r--arch/mips/kernel/topology.c5
-rw-r--r--arch/mips/kernel/unaligned.c17
-rw-r--r--arch/mips/pci/fixup-sb1250.c2
-rw-r--r--arch/mips/pci/pci-bcm63xx.c2
-rw-r--r--arch/mips/ralink/Kconfig5
-rw-r--r--arch/mips/ralink/mt7621.c36
38 files changed, 827 insertions, 115 deletions
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 3e336b3dbb10..ab6e3dc0bc1d 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -83,6 +83,8 @@
label = "HDMI OUT";
type = "a";
+ ddc-en-gpios = <&gpa 25 GPIO_ACTIVE_HIGH>;
+
port {
hdmi_con: endpoint {
remote-endpoint = <&dw_hdmi_out>;
@@ -114,17 +116,6 @@
gpio = <&gpf 14 GPIO_ACTIVE_LOW>;
enable-active-high;
};
-
- hdmi_power: fixedregulator@3 {
- compatible = "regulator-fixed";
-
- regulator-name = "hdmi_power";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
-
- gpio = <&gpa 25 0>;
- enable-active-high;
- };
};
&ext {
@@ -576,8 +567,6 @@
pinctrl-names = "default";
pinctrl-0 = <&pins_hdmi_ddc>;
- hdmi-5v-supply = <&hdmi_power>;
-
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
index 6c26dfa0a903..11732b8c8163 100644
--- a/arch/mips/boot/dts/ralink/Makefile
+++ b/arch/mips/boot/dts/ralink/Makefile
@@ -6,4 +6,8 @@ dtb-$(CONFIG_DTB_MT7620A_EVAL) += mt7620a_eval.dtb
dtb-$(CONFIG_DTB_OMEGA2P) += omega2p.dtb
dtb-$(CONFIG_DTB_VOCORE2) += vocore2.dtb
+dtb-$(CONFIG_SOC_MT7621) += \
+ mt7621-gnubee-gb-pc1.dtb \
+ mt7621-gnubee-gb-pc2.dtb
+
obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y))
diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
new file mode 100644
index 000000000000..5892bcf71595
--- /dev/null
+++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "gnubee,gb-pc1", "mediatek,mt7621-soc";
+ model = "GB-PC1";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x1c000000>,
+ <0x20000000 0x04000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,57600";
+ };
+
+ palmbus: palmbus@1e000000 {
+ i2c@900 {
+ status = "okay";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ reset {
+ label = "reset";
+ gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+ linux,code = <KEY_RESTART>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ power {
+ label = "green:power";
+ gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+
+ system {
+ label = "green:system";
+ gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "disk-activity";
+ };
+ };
+};
+
+&sdhci {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+
+ m25p80@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ broken-flash-reset;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x30000>;
+ read-only;
+ };
+
+ partition@30000 {
+ label = "u-boot-env";
+ reg = <0x30000 0x10000>;
+ read-only;
+ };
+
+ factory: partition@40000 {
+ label = "factory";
+ reg = <0x40000 0x10000>;
+ read-only;
+ };
+
+ partition@50000 {
+ label = "firmware";
+ reg = <0x50000 0x1fb0000>;
+ };
+ };
+};
+
+&pcie {
+ status = "okay";
+};
+
+&pinctrl {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: state-default {
+ gpio-pinmux {
+ groups = "rgmii2", "uart3", "wdt";
+ function = "gpio";
+ };
+ };
+};
+
+&ethernet {
+ pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>;
+};
+
+&switch0 {
+ ports {
+ port@0 {
+ status = "okay";
+ label = "ethblack";
+ };
+
+ port@4 {
+ status = "okay";
+ label = "ethblue";
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
new file mode 100644
index 000000000000..a7fce8de6147
--- /dev/null
+++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "gnubee,gb-pc2", "mediatek,mt7621-soc";
+ model = "GB-PC2";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x1c000000>,
+ <0x20000000 0x04000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,57600";
+ };
+
+ palmbus: palmbus@1e000000 {
+ i2c@900 {
+ status = "okay";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ reset {
+ label = "reset";
+ gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+ linux,code = <KEY_RESTART>;
+ };
+ };
+};
+
+&sdhci {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+
+ m25p80@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ broken-flash-reset;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x30000>;
+ read-only;
+ };
+
+ partition@30000 {
+ label = "u-boot-env";
+ reg = <0x30000 0x10000>;
+ read-only;
+ };
+
+ factory: partition@40000 {
+ label = "factory";
+ reg = <0x40000 0x10000>;
+ read-only;
+ };
+
+ partition@50000 {
+ label = "firmware";
+ reg = <0x50000 0x1fb0000>;
+ };
+ };
+};
+
+&pcie {
+ status = "okay";
+};
+
+&pinctrl {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: state-default {
+ gpio-pinmux {
+ groups = "wdt";
+ function = "gpio";
+ };
+ };
+};
+
+&ethernet {
+ gmac1: mac@1 {
+ status = "okay";
+ phy-handle = <&ethphy7>;
+ };
+
+ mdio-bus {
+ ethphy7: ethernet-phy@7 {
+ reg = <7>;
+ phy-mode = "rgmii-rxid";
+ };
+ };
+};
+
+&switch0 {
+ ports {
+ port@0 {
+ status = "okay";
+ label = "ethblack";
+ };
+
+ port@4 {
+ status = "okay";
+ label = "ethblue";
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
new file mode 100644
index 000000000000..3222684915ac
--- /dev/null
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -0,0 +1,497 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+#include <dt-bindings/interrupt-controller/mips-gic.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/mt7621-clk.h>
+#include <dt-bindings/reset/mt7621-reset.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "mediatek,mt7621-soc";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "mips,mips1004Kc";
+ reg = <0>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "mips,mips1004Kc";
+ reg = <1>;
+ };
+ };
+
+ cpuintc: cpuintc {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ aliases {
+ serial0 = &uartlite;
+ };
+
+
+ mmc_fixed_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "mmc_power";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ mmc_fixed_1v8_io: regulator-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "mmc_io";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ palmbus: palmbus@1e000000 {
+ compatible = "palmbus";
+ reg = <0x1e000000 0x100000>;
+ ranges = <0x0 0x1e000000 0x0fffff>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ sysc: syscon@0 {
+ compatible = "mediatek,mt7621-sysc", "syscon";
+ reg = <0x0 0x100>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ ralink,memctl = <&memc>;
+ clock-output-names = "xtal", "cpu", "bus",
+ "50m", "125m", "150m",
+ "250m", "270m";
+ };
+
+ wdt: wdt@100 {
+ compatible = "mediatek,mt7621-wdt";
+ reg = <0x100 0x100>;
+ };
+
+ gpio: gpio@600 {
+ #gpio-cells = <2>;
+ #interrupt-cells = <2>;
+ compatible = "mediatek,mt7621-gpio";
+ gpio-controller;
+ gpio-ranges = <&pinctrl 0 0 95>;
+ interrupt-controller;
+ reg = <0x600 0x100>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ i2c: i2c@900 {
+ compatible = "mediatek,mt7621-i2c";
+ reg = <0x900 0x100>;
+
+ clocks = <&sysc MT7621_CLK_I2C>;
+ clock-names = "i2c";
+ resets = <&sysc MT7621_RST_I2C>;
+ reset-names = "i2c";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c_pins>;
+ };
+
+ memc: syscon@5000 {
+ compatible = "mediatek,mt7621-memc", "syscon";
+ reg = <0x5000 0x1000>;
+ };
+
+ uartlite: uartlite@c00 {
+ compatible = "ns16550a";
+ reg = <0xc00 0x100>;
+
+ clocks = <&sysc MT7621_CLK_UART1>;
+ clock-names = "uart1";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 26 IRQ_TYPE_LEVEL_HIGH>;
+
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ no-loopback-test;
+ };
+
+ spi0: spi@b00 {
+ status = "disabled";
+
+ compatible = "ralink,mt7621-spi";
+ reg = <0xb00 0x100>;
+
+ clocks = <&sysc MT7621_CLK_SPI>;
+ clock-names = "spi";
+
+ resets = <&sysc MT7621_RST_SPI>;
+ reset-names = "spi";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_pins>;
+ };
+ };
+
+ pinctrl: pinctrl {
+ compatible = "ralink,rt2880-pinmux";
+
+ i2c_pins: i2c0-pins {
+ pinmux {
+ groups = "i2c";
+ function = "i2c";
+ };
+ };
+
+ spi_pins: spi0-pins {
+ pinmux {
+ groups = "spi";
+ function = "spi";
+ };
+ };
+
+ uart1_pins: uart1-pins {
+ pinmux {
+ groups = "uart1";
+ function = "uart1";
+ };
+ };
+
+ uart2_pins: uart2-pins {
+ pinmux {
+ groups = "uart2";
+ function = "uart2";
+ };
+ };
+
+ uart3_pins: uart3-pins {
+ pinmux {
+ groups = "uart3";
+ function = "uart3";
+ };
+ };
+
+ rgmii1_pins: rgmii1-pins {
+ pinmux {
+ groups = "rgmii1";
+ function = "rgmii1";
+ };
+ };
+
+ rgmii2_pins: rgmii2-pins {
+ pinmux {
+ groups = "rgmii2";
+ function = "rgmii2";
+ };
+ };
+
+ mdio_pins: mdio0-pins {
+ pinmux {
+ groups = "mdio";
+ function = "mdio";
+ };
+ };
+
+ pcie_pins: pcie0-pins {
+ pinmux {
+ groups = "pcie";
+ function = "gpio";
+ };
+ };
+
+ nand_pins: nand0-pins {
+ spi-pinmux {
+ groups = "spi";
+ function = "nand1";
+ };
+
+ sdhci-pinmux {
+ groups = "sdhci";
+ function = "nand2";
+ };
+ };
+
+ sdhci_pins: sdhci0-pins {
+ pinmux {
+ groups = "sdhci";
+ function = "sdhci";
+ };
+ };
+ };
+
+ sdhci: sdhci@1e130000 {
+ status = "disabled";
+
+ compatible = "mediatek,mt7620-mmc";
+ reg = <0x1e130000 0x4000>;
+
+ bus-width = <4>;
+ max-frequency = <48000000>;
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ vmmc-supply = <&mmc_fixed_3v3>;
+ vqmmc-supply = <&mmc_fixed_1v8_io>;
+ disable-wp;
+
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&sdhci_pins>;
+ pinctrl-1 = <&sdhci_pins>;
+
+ clocks = <&sysc MT7621_CLK_SHXC>,
+ <&sysc MT7621_CLK_50M>;
+ clock-names = "source", "hclk";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ xhci: xhci@1e1c0000 {
+ compatible = "mediatek,mt8173-xhci";
+ reg = <0x1e1c0000 0x1000
+ 0x1e1d0700 0x0100>;
+ reg-names = "mac", "ippc";
+
+ clocks = <&sysc MT7621_CLK_XTAL>;
+ clock-names = "sys_ck";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gic: interrupt-controller@1fbc0000 {
+ compatible = "mti,gic";
+ reg = <0x1fbc0000 0x2000>;
+
+ interrupt-controller;
+ #interrupt-cells = <3>;
+
+ mti,reserved-cpu-vectors = <7>;
+
+ timer {
+ compatible = "mti,gic-timer";
+ interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+ clocks = <&sysc MT7621_CLK_CPU>;
+ };
+ };
+
+ cpc: cpc@1fbf0000 {
+ compatible = "mti,mips-cpc";
+ reg = <0x1fbf0000 0x8000>;
+ };
+
+ cdmm: cdmm@1fbf8000 {
+ compatible = "mti,mips-cdmm";
+ reg = <0x1fbf8000 0x8000>;
+ };
+
+ ethernet: ethernet@1e100000 {
+ compatible = "mediatek,mt7621-eth";
+ reg = <0x1e100000 0x10000>;
+
+ clocks = <&sysc MT7621_CLK_FE>,
+ <&sysc MT7621_CLK_ETH>;
+ clock-names = "fe", "ethif";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ resets = <&sysc MT7621_RST_FE &sysc MT7621_RST_ETH>;
+ reset-names = "fe", "eth";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
+
+ mediatek,ethsys = <&sysc>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>, <&rgmii2_pins>;
+
+ gmac0: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-mode = "trgmii";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+
+ gmac1: mac@1 {
+ compatible = "mediatek,eth-mac";
+ reg = <1>;
+ status = "off";
+ phy-mode = "rgmii-rxid";
+ };
+
+ mdio-bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ switch0: switch0@0 {
+ compatible = "mediatek,mt7621";
+ reg = <0>;
+ mediatek,mcm;
+ resets = <&sysc MT7621_RST_MCM>;
+ reset-names = "mcm";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ status = "off";
+ reg = <0>;
+ label = "lan0";
+ };
+
+ port@1 {
+ status = "off";
+ reg = <1>;
+ label = "lan1";
+ };
+
+ port@2 {
+ status = "off";
+ reg = <2>;
+ label = "lan2";
+ };
+
+ port@3 {
+ status = "off";
+ reg = <3>;
+ label = "lan3";
+ };
+
+ port@4 {
+ status = "off";
+ reg = <4>;
+ label = "lan4";
+ };
+
+ port@6 {
+ reg = <6>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "trgmii";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+ };
+ };
+ };
+
+ pcie: pcie@1e140000 {
+ compatible = "mediatek,mt7621-pci";
+ reg = <0x1e140000 0x100>, /* host-pci bridge registers */
+ <0x1e142000 0x100>, /* pcie port 0 RC control registers */
+ <0x1e143000 0x100>, /* pcie port 1 RC control registers */
+ <0x1e144000 0x100>; /* pcie port 2 RC control registers */
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_pins>;
+
+ device_type = "pci";
+
+ ranges = <0x02000000 0 0x60000000 0x60000000 0 0x10000000>, /* pci memory */
+ <0x01000000 0 0x00000000 0x1e160000 0 0x00010000>; /* io space */
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xF800 0 0 0>;
+ interrupt-map = <0x0000 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0800 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>,
+ <0x1000 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
+
+ status = "disabled";
+
+ reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
+
+ pcie@0,0 {
+ reg = <0x0000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&sysc MT7621_RST_PCIE0>;
+ clocks = <&sysc MT7621_CLK_PCIE0>;
+ phys = <&pcie0_phy 1>;
+ phy-names = "pcie-phy0";
+ ranges;
+ };
+
+ pcie@1,0 {
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&sysc MT7621_RST_PCIE1>;
+ clocks = <&sysc MT7621_CLK_PCIE1>;
+ phys = <&pcie0_phy 1>;
+ phy-names = "pcie-phy1";
+ ranges;
+ };
+
+ pcie@2,0 {
+ reg = <0x1000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&sysc MT7621_RST_PCIE2>;
+ clocks = <&sysc MT7621_CLK_PCIE2>;
+ phys = <&pcie2_phy 0>;
+ phy-names = "pcie-phy2";
+ ranges;
+ };
+ };
+
+ pcie0_phy: pcie-phy@1e149000 {
+ compatible = "mediatek,mt7621-pci-phy";
+ reg = <0x1e149000 0x0700>;
+ clocks = <&sysc MT7621_CLK_XTAL>;
+ #phy-cells = <1>;
+ };
+
+ pcie2_phy: pcie-phy@1e14a000 {
+ compatible = "mediatek,mt7621-pci-phy";
+ reg = <0x1e14a000 0x0700>;
+ clocks = <&sysc MT7621_CLK_XTAL>;
+ #phy-cells = <1>;
+ };
+};
diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig
index c6a652ad34f7..e835730ea7fa 100644
--- a/arch/mips/configs/cobalt_defconfig
+++ b/arch/mips/configs/cobalt_defconfig
@@ -69,6 +69,5 @@ CONFIG_CONFIGFS_FS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_LIBCRC32C=y
diff --git a/arch/mips/configs/decstation_64_defconfig b/arch/mips/configs/decstation_64_defconfig
index e2ed105f8c97..0021427a1bbe 100644
--- a/arch/mips/configs/decstation_64_defconfig
+++ b/arch/mips/configs/decstation_64_defconfig
@@ -159,7 +159,6 @@ CONFIG_NFS_V3_ACL=y
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
# CONFIG_RPCSEC_GSS_KRB5 is not set
CONFIG_NLS_ISO8859_8=m
diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig
index 7e987d6f5e34..7a97a0818ce4 100644
--- a/arch/mips/configs/decstation_defconfig
+++ b/arch/mips/configs/decstation_defconfig
@@ -154,7 +154,6 @@ CONFIG_NFS_V3_ACL=y
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
# CONFIG_RPCSEC_GSS_KRB5 is not set
CONFIG_NLS_ISO8859_8=m
diff --git a/arch/mips/configs/decstation_r4k_defconfig b/arch/mips/configs/decstation_r4k_defconfig
index 6df5f6f2ac8e..a0643363526d 100644
--- a/arch/mips/configs/decstation_r4k_defconfig
+++ b/arch/mips/configs/decstation_r4k_defconfig
@@ -154,7 +154,6 @@ CONFIG_NFS_V3_ACL=y
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
# CONFIG_RPCSEC_GSS_KRB5 is not set
CONFIG_NLS_ISO8859_8=m
diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
index 21a1168ae301..70a4ba90f491 100644
--- a/arch/mips/configs/ip22_defconfig
+++ b/arch/mips/configs/ip22_defconfig
@@ -269,7 +269,6 @@ CONFIG_UFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFS_V3_ACL=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_CIFS=m
CONFIG_CIFS_UPCALL=y
diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index 1ae48f7d9ddd..74020aa3440b 100644
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -112,7 +112,6 @@ CONFIG_CONFIGFS_FS=y
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_CIFS=m
CONFIG_NLS=y
CONFIG_NLS_CODEPAGE_437=m
diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig
index 8c223035921f..843f360da5f2 100644
--- a/arch/mips/configs/jazz_defconfig
+++ b/arch/mips/configs/jazz_defconfig
@@ -92,5 +92,4 @@ CONFIG_TMPFS=y
CONFIG_UFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_CIFS=m
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 3456ac8ded6c..7a5bdd236a2a 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -364,7 +364,6 @@ CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_737=m
CONFIG_NLS_CODEPAGE_775=m
diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig
index 009b30372226..b5ba08d7ab57 100644
--- a/arch/mips/configs/malta_kvm_defconfig
+++ b/arch/mips/configs/malta_kvm_defconfig
@@ -371,7 +371,6 @@ CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_737=m
CONFIG_NLS_CODEPAGE_775=m
diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig
index e214e136101c..8d58653f1b4e 100644
--- a/arch/mips/configs/maltaup_xpa_defconfig
+++ b/arch/mips/configs/maltaup_xpa_defconfig
@@ -370,7 +370,6 @@ CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_737=m
CONFIG_NLS_CODEPAGE_775=m
diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
index 3dc2da2bee0d..7d6f235e8ccb 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -354,7 +354,6 @@ CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_CIFS=m
CONFIG_CODA_FS=m
CONFIG_AFS_FS=m
diff --git a/arch/mips/configs/tb0219_defconfig b/arch/mips/configs/tb0219_defconfig
index 6547f84750b5..c56d8ab14ba6 100644
--- a/arch/mips/configs/tb0219_defconfig
+++ b/arch/mips/configs/tb0219_defconfig
@@ -72,6 +72,5 @@ CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="cca=3 mem=64M console=ttyVR0,115200 ip=any root=/dev/nfs"
diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig
index 7e099f7c2286..6e1423428f02 100644
--- a/arch/mips/configs/tb0226_defconfig
+++ b/arch/mips/configs/tb0226_defconfig
@@ -67,6 +67,5 @@ CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="cca=3 mem=32M console=ttyVR0,115200"
diff --git a/arch/mips/configs/tb0287_defconfig b/arch/mips/configs/tb0287_defconfig
index 0d881dd862c0..cf65a0879ece 100644
--- a/arch/mips/configs/tb0287_defconfig
+++ b/arch/mips/configs/tb0287_defconfig
@@ -77,7 +77,6 @@ CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_FONTS=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
diff --git a/arch/mips/configs/workpad_defconfig b/arch/mips/configs/workpad_defconfig
index 4798dc86c9ce..7e16da0bde8c 100644
--- a/arch/mips/configs/workpad_defconfig
+++ b/arch/mips/configs/workpad_defconfig
@@ -63,6 +63,5 @@ CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_NFS_FS=m
CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="console=ttyVR0,19200 ide0=0x170,0x376,49 mem=16M"
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 9ceb5e72889f..d3f397dcab6e 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1380,8 +1380,6 @@
#define PCIE_IDVAL3_REG 0x43c
#define IDVAL3_CLASS_CODE_MASK 0xffffff
-#define IDVAL3_SUBCLASS_SHIFT 8
-#define IDVAL3_CLASS_SHIFT 16
#define PCIE_DLSTATUS_REG 0x1048
#define DLSTATUS_PHYLINKUP (1 << 13)
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 7b8037f25d9e..374c6322775d 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -86,6 +86,11 @@ extern void paging_init(void);
*/
#define pmd_phys(pmd) virt_to_phys((void *)pmd_val(pmd))
+static inline unsigned long pmd_pfn(pmd_t pmd)
+{
+ return pmd_val(pmd) >> _PFN_SHIFT;
+}
+
#ifndef CONFIG_MIPS_HUGE_TLB_SUPPORT
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
#endif /* CONFIG_MIPS_HUGE_TLB_SUPPORT */
@@ -422,11 +427,6 @@ static inline int pmd_write(pmd_t pmd)
return !!(pmd_val(pmd) & _PAGE_WRITE);
}
-static inline unsigned long pmd_pfn(pmd_t pmd)
-{
- return pmd_val(pmd) >> _PFN_SHIFT;
-}
-
static inline struct page *pmd_page(pmd_t pmd)
{
if (pmd_val(pmd) & _PAGE_HUGE)
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index f8f74f9f5883..c0cede273c7c 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -19,6 +19,7 @@
#ifdef CONFIG_32BIT
#define __UA_LIMIT 0x80000000UL
+#define TASK_SIZE_MAX KSEG0
#define __UA_ADDR ".word"
#define __UA_LA "la"
@@ -33,6 +34,7 @@
extern u64 __ua_limit;
#define __UA_LIMIT __ua_limit
+#define TASK_SIZE_MAX XKSSEG
#define __UA_ADDR ".dword"
#define __UA_LA "dla"
@@ -42,50 +44,7 @@ extern u64 __ua_limit;
#endif /* CONFIG_64BIT */
-/*
- * Is a address valid? This does a straightforward calculation rather
- * than tests.
- *
- * Address valid if:
- * - "addr" doesn't have any high-bits set
- * - AND "size" doesn't have any high-bits set
- * - AND "addr+size" doesn't have any high-bits set
- * - OR we are in kernel mode.
- *
- * __ua_size() is a trick to avoid runtime checking of positive constant
- * sizes; for those we already know at compile time that the size is ok.
- */
-#define __ua_size(size) \
- ((__builtin_constant_p(size) && (signed long) (size) > 0) ? 0 : (size))
-
-/*
- * access_ok: - Checks if a user space pointer is valid
- * @addr: User space pointer to start of block to check
- * @size: Size of block to check
- *
- * Context: User context only. This function may sleep if pagefaults are
- * enabled.
- *
- * Checks if a pointer to a block of memory in user space is valid.
- *
- * Returns true (nonzero) if the memory block may be valid, false (zero)
- * if it is definitely invalid.
- *
- * Note that, depending on architecture, this function probably just
- * checks that the pointer is in the user space range - after calling
- * this function, memory access functions may still return -EFAULT.
- */
-
-static inline int __access_ok(const void __user *p, unsigned long size)
-{
- unsigned long addr = (unsigned long)p;
- unsigned long end = addr + size - !!size;
-
- return (__UA_LIMIT & (addr | end | __ua_size(size))) == 0;
-}
-
-#define access_ok(addr, size) \
- likely(__access_ok((addr), (size)))
+#include <asm-generic/access_ok.h>
/*
* put_user: - Write a simple value into user space.
@@ -296,8 +255,6 @@ struct __large_struct { unsigned long buf[100]; };
(val) = __gu_tmp.t; \
}
-#define HAVE_GET_KERNEL_NOFAULT
-
#define __get_kernel_nofault(dst, src, type, err_label) \
do { \
int __gu_err; \
diff --git a/arch/mips/include/uapi/asm/mman.h b/arch/mips/include/uapi/asm/mman.h
index 40b210c65a5a..1be428663c10 100644
--- a/arch/mips/include/uapi/asm/mman.h
+++ b/arch/mips/include/uapi/asm/mman.h
@@ -101,6 +101,8 @@
#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+
/* compatibility flags */
#define MAP_FILE 0
diff --git a/arch/mips/include/uapi/asm/shmbuf.h b/arch/mips/include/uapi/asm/shmbuf.h
index 680bb95b2240..eb74d304b779 100644
--- a/arch/mips/include/uapi/asm/shmbuf.h
+++ b/arch/mips/include/uapi/asm/shmbuf.h
@@ -2,6 +2,9 @@
#ifndef _ASM_SHMBUF_H
#define _ASM_SHMBUF_H
+#include <asm/ipcbuf.h>
+#include <asm/posix_types.h>
+
/*
* The shmid64_ds structure for the MIPS architecture.
* Note extra padding because this structure is passed back and forth
@@ -16,7 +19,7 @@
#ifdef __mips64
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
- size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_size_t shm_segsz; /* size of segment (bytes) */
long shm_atime; /* last attach time */
long shm_dtime; /* last detach time */
long shm_ctime; /* last change time */
@@ -29,7 +32,7 @@ struct shmid64_ds {
#else
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
- size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_size_t shm_segsz; /* size of segment (bytes) */
unsigned long shm_atime; /* last attach time */
unsigned long shm_dtime; /* last detach time */
unsigned long shm_ctime; /* last change time */
diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h
index e6c78a15cb2f..94a00f82e373 100644
--- a/arch/mips/include/uapi/asm/signal.h
+++ b/arch/mips/include/uapi/asm/signal.h
@@ -100,7 +100,7 @@ struct sigaction {
/* IRIX compatible stack_t */
typedef struct sigaltstack {
void __user *ss_sp;
- size_t ss_size;
+ __kernel_size_t ss_size;
int ss_flags;
} stack_t;
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index 24e0efb360f6..1d55e57b8466 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -144,6 +144,8 @@
#define SO_RESERVE_MEM 73
+#define SO_TXREHASH 74
+
#if !defined(__KERNEL__)
#if __BITS_PER_LONG == 64
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index db7c5be1d4a3..567aec4abac0 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -27,7 +27,6 @@
#include <linux/smp.h>
#include <linux/security.h>
#include <linux/stddef.h>
-#include <linux/tracehook.h>
#include <linux/audit.h>
#include <linux/seccomp.h>
#include <linux/ftrace.h>
@@ -1317,7 +1316,7 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
current_thread_info()->syscall = syscall;
if (test_thread_flag(TIF_SYSCALL_TRACE)) {
- if (tracehook_report_syscall_entry(regs))
+ if (ptrace_report_syscall_entry(regs))
return -1;
syscall = current_thread_info()->syscall;
}
@@ -1376,7 +1375,7 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
trace_sys_exit(regs, regs_return_value(regs));
if (test_thread_flag(TIF_SYSCALL_TRACE))
- tracehook_report_syscall_exit(regs, 0);
+ ptrace_report_syscall_exit(regs, 0);
user_enter();
}
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index f979adfd4fc2..ef73ba1e0ec1 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -803,7 +803,7 @@ early_param("coherentio", setcoherentio);
static int __init setnocoherentio(char *str)
{
- dma_default_coherent = true;
+ dma_default_coherent = false;
pr_info("Software DMA cache coherency (command line)\n");
return 0;
}
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 71e309be86a2..479999b7f2de 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -25,7 +25,7 @@
#include <linux/compiler.h>
#include <linux/syscalls.h>
#include <linux/uaccess.h>
-#include <linux/tracehook.h>
+#include <linux/resume_user_mode.h>
#include <asm/abi.h>
#include <asm/asm.h>
@@ -915,7 +915,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
do_signal(regs);
if (thread_info_flags & _TIF_NOTIFY_RESUME)
- tracehook_notify_resume(regs);
+ resume_user_mode_work(regs);
user_enter();
}
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index d542fb7af3ba..1986d1309410 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -351,6 +351,9 @@ asmlinkage void start_secondary(void)
cpu = smp_processor_id();
cpu_data[cpu].udelay_val = loops_per_jiffy;
+ set_cpu_sibling_map(cpu);
+ set_cpu_core_map(cpu);
+
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
@@ -362,9 +365,6 @@ asmlinkage void start_secondary(void)
/* The CPU is running and counters synchronised, now mark it online */
set_cpu_online(cpu, true);
- set_cpu_sibling_map(cpu);
- set_cpu_core_map(cpu);
-
calculate_cpu_foreign_map();
/*
diff --git a/arch/mips/kernel/syscalls/Makefile b/arch/mips/kernel/syscalls/Makefile
index 10bf90dc02c0..e6b21de65cca 100644
--- a/arch/mips/kernel/syscalls/Makefile
+++ b/arch/mips/kernel/syscalls/Makefile
@@ -2,8 +2,7 @@
kapi := arch/$(SRCARCH)/include/generated/asm
uapi := arch/$(SRCARCH)/include/generated/uapi/asm
-_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
- $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
+$(shell mkdir -p $(uapi) $(kapi))
syshdr := $(srctree)/scripts/syscallhdr.sh
sysnr := $(srctree)/$(src)/syscallnr.sh
diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c
index 08ad6371fbe0..9429d85a4703 100644
--- a/arch/mips/kernel/topology.c
+++ b/arch/mips/kernel/topology.c
@@ -12,11 +12,6 @@ static int __init topology_init(void)
{
int i, ret;
-#ifdef CONFIG_NUMA
- for_each_online_node(i)
- register_one_node(i);
-#endif /* CONFIG_NUMA */
-
for_each_present_cpu(i) {
struct cpu *c = &per_cpu(cpu_devices, i);
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index df4b708c04a9..7b5aba5df02e 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -1480,6 +1480,23 @@ asmlinkage void do_ade(struct pt_regs *regs)
prev_state = exception_enter();
perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS,
1, regs, regs->cp0_badvaddr);
+
+#ifdef CONFIG_64BIT
+ /*
+ * check, if we are hitting space between CPU implemented maximum
+ * virtual user address and 64bit maximum virtual user address
+ * and do exception handling to get EFAULTs for get_user/put_user
+ */
+ if ((regs->cp0_badvaddr >= (1UL << cpu_vmbits)) &&
+ (regs->cp0_badvaddr < XKSSEG)) {
+ if (fixup_exception(regs)) {
+ current->thread.cp0_baduaddr = regs->cp0_badvaddr;
+ return;
+ }
+ goto sigbus;
+ }
+#endif
+
/*
* Did we catch a fault trying to load an instruction?
*/
diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c
index 40efc990cdce..3f914c33b7de 100644
--- a/arch/mips/pci/fixup-sb1250.c
+++ b/arch/mips/pci/fixup-sb1250.c
@@ -75,7 +75,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI,
*/
static void quirk_sb1250_ht(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT,
quirk_sb1250_ht);
diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c
index 5548365605c0..ac83243772d2 100644
--- a/arch/mips/pci/pci-bcm63xx.c
+++ b/arch/mips/pci/pci-bcm63xx.c
@@ -186,7 +186,7 @@ static int __init bcm63xx_register_pcie(void)
/* setup class code as bridge */
val = bcm_pcie_readl(PCIE_IDVAL3_REG);
val &= ~IDVAL3_CLASS_CODE_MASK;
- val |= (PCI_CLASS_BRIDGE_PCI << IDVAL3_SUBCLASS_SHIFT);
+ val |= PCI_CLASS_BRIDGE_PCI_NORMAL;
bcm_pcie_writel(val, PCIE_IDVAL3_REG);
/* disable bar1 size */
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 120adad51d6a..f9fe15630abb 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -54,10 +54,15 @@ choice
select HAVE_PCI
select PCI_DRIVERS_GENERIC
select SOC_BUS
+
+ help
+ The MT7621 system-on-a-chip includes an 880 MHz MIPS1004Kc dual-core CPU,
+ a 5-port 10/100/1000 switch/PHY and one RGMII.
endchoice
choice
prompt "Devicetree selection"
+ depends on !SOC_MT7621
default DTB_RT_NONE
help
Select the devicetree.
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index d6efffd4dd20..fb0565bc34fd 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -22,7 +22,9 @@
#include "common.h"
-static void *detect_magic __initdata = detect_memory_region;
+#define MT7621_MEM_TEST_PATTERN 0xaa5555aa
+
+static u32 detect_magic __initdata;
int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
{
@@ -58,24 +60,32 @@ phys_addr_t mips_cpc_default_phys_base(void)
panic("Cannot detect cpc address");
}
+static bool __init mt7621_addr_wraparound_test(phys_addr_t size)
+{
+ void *dm = (void *)KSEG1ADDR(&detect_magic);
+
+ if (CPHYSADDR(dm + size) >= MT7621_LOWMEM_MAX_SIZE)
+ return true;
+ __raw_writel(MT7621_MEM_TEST_PATTERN, dm);
+ if (__raw_readl(dm) != __raw_readl(dm + size))
+ return false;
+ __raw_writel(~MT7621_MEM_TEST_PATTERN, dm);
+ return __raw_readl(dm) == __raw_readl(dm + size);
+}
+
static void __init mt7621_memory_detect(void)
{
- void *dm = &detect_magic;
phys_addr_t size;
- for (size = 32 * SZ_1M; size < 256 * SZ_1M; size <<= 1) {
- if (!__builtin_memcmp(dm, dm + size, sizeof(detect_magic)))
- break;
+ for (size = 32 * SZ_1M; size <= 256 * SZ_1M; size <<= 1) {
+ if (mt7621_addr_wraparound_test(size)) {
+ memblock_add(MT7621_LOWMEM_BASE, size);
+ return;
+ }
}
- if ((size == 256 * SZ_1M) &&
- (CPHYSADDR(dm + size) < MT7621_LOWMEM_MAX_SIZE) &&
- __builtin_memcmp(dm, dm + size, sizeof(detect_magic))) {
- memblock_add(MT7621_LOWMEM_BASE, MT7621_LOWMEM_MAX_SIZE);
- memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
- } else {
- memblock_add(MT7621_LOWMEM_BASE, size);
- }
+ memblock_add(MT7621_LOWMEM_BASE, MT7621_LOWMEM_MAX_SIZE);
+ memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
}
void __init ralink_of_remap(void)