diff options
51 files changed, 836 insertions, 235 deletions
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml b/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml index ba7ffc5b16a0..83c1803ffd16 100644 --- a/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml +++ b/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml @@ -18,6 +18,12 @@ description: | These SoCs have an XTAL from where the cpu clock is provided as well as derived clocks for the bus and the peripherals. + Each clock is assigned an identifier and client nodes use this identifier + to specify the clock which they consume. + + All these identifiers could be found in: + [1]: <include/dt-bindings/clock/mediatek,mtmips-sysc.h>. + properties: compatible: items: @@ -38,7 +44,8 @@ properties: '#clock-cells': description: - The first cell indicates the clock number. + The first cell indicates the clock number, see [1] for available + clocks. const: 1 '#reset-cells': @@ -56,6 +63,8 @@ additionalProperties: false examples: - | + #include <dt-bindings/clock/mediatek,mtmips-sysc.h> + syscon@0 { compatible = "ralink,rt5350-sysc", "syscon"; reg = <0x0 0x100>; diff --git a/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml new file mode 100644 index 000000000000..d129d6382847 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mips/mti,mips-cm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MIPS Coherence Manager + +description: + The Coherence Manager (CM) is responsible for establishing the + global ordering of requests from all elements of the system and + sending the correct data back to the requester. It supports Cache + to Cache transfers. + https://training.mips.com/cps_mips/PDF/CPS_Introduction.pdf + https://training.mips.com/cps_mips/PDF/Coherency_Manager.pdf + +maintainers: + - Jiaxun Yang <jiaxun.yang@flygoat.com> + +properties: + compatible: + oneOf: + - const: mti,mips-cm + - const: mobileye,eyeq6-cm + description: + On EyeQ6 the HCI (Hardware Cache Initialization) information for + the L2 cache in multi-cluster configuration is broken. + + reg: + description: + Base address and size of the Global Configuration Registers + referred to as CMGCR.They are the system programmer's interface + to the Coherency Manager. Their location in the memory map is + determined at core build time. In a functional system, the base + address is provided by the Coprocessor 0, but some + System-on-Chip (SoC) designs may not provide an accurate address + that needs to be described statically. + + maxItems: 1 + +required: + - compatible + +additionalProperties: false + +examples: + - | + coherency-manager@1fbf8000 { + compatible = "mti,mips-cm"; + reg = <0x1bde8000 0x8000>; + }; + + - | + coherency-manager { + compatible = "mobileye,eyeq6-cm"; + }; +... diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts index 5d33f26fd28c..8455778928b7 100644 --- a/arch/mips/boot/dts/ingenic/gcw0.dts +++ b/arch/mips/boot/dts/ingenic/gcw0.dts @@ -91,7 +91,7 @@ "MIC1N", "Built-in Mic"; simple-audio-card,pin-switches = "Speaker", "Headphones"; - simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_LOW>; + simple-audio-card,hp-det-gpios = <&gpf 21 GPIO_ACTIVE_LOW>; simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>; simple-audio-card,bitclock-master = <&dai_codec>; diff --git a/arch/mips/boot/dts/ingenic/rs90.dts b/arch/mips/boot/dts/ingenic/rs90.dts index e8df70dd42bf..6d2c8aea5f49 100644 --- a/arch/mips/boot/dts/ingenic/rs90.dts +++ b/arch/mips/boot/dts/ingenic/rs90.dts @@ -148,7 +148,7 @@ "Speaker", "OUTR"; simple-audio-card,pin-switches = "Speaker"; - simple-audio-card,hp-det-gpio = <&gpd 16 GPIO_ACTIVE_LOW>; + simple-audio-card,hp-det-gpios = <&gpd 16 GPIO_ACTIVE_LOW>; simple-audio-card,aux-devs = <&>; simple-audio-card,bitclock-master = <&dai_codec>; diff --git a/arch/mips/boot/dts/mobileye/eyeq6h.dtsi b/arch/mips/boot/dts/mobileye/eyeq6h.dtsi index 4a1a43f351d3..dabd5ed778b7 100644 --- a/arch/mips/boot/dts/mobileye/eyeq6h.dtsi +++ b/arch/mips/boot/dts/mobileye/eyeq6h.dtsi @@ -32,6 +32,10 @@ #interrupt-cells = <1>; }; + coherency-manager { + compatible = "mobileye,eyeq6-cm"; + }; + xtal: clock-30000000 { compatible = "fixed-clock"; #clock-cells = <0>; diff --git a/arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts b/arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts index 18107ca0a06b..7743d014631a 100644 --- a/arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts +++ b/arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts @@ -5,7 +5,7 @@ /dts-v1/; -/include/ "mt7628a.dtsi" +#include "mt7628a.dtsi" #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> diff --git a/arch/mips/boot/dts/ralink/mt7620a.dtsi b/arch/mips/boot/dts/ralink/mt7620a.dtsi index 1f6e5320f486..d66045948a83 100644 --- a/arch/mips/boot/dts/ralink/mt7620a.dtsi +++ b/arch/mips/boot/dts/ralink/mt7620a.dtsi @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include <dt-bindings/clock/mediatek,mtmips-sysc.h> + / { #address-cells = <1>; #size-cells = <1>; @@ -25,9 +27,11 @@ #address-cells = <1>; #size-cells = <1>; - sysc@0 { - compatible = "ralink,mt7620a-sysc"; + sysc: syscon@0 { + compatible = "ralink,mt7620-sysc", "syscon"; reg = <0x0 0x100>; + #clock-cells = <1>; + #reset-cells = <1>; }; intc: intc@200 { @@ -50,6 +54,8 @@ compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a"; reg = <0xc00 0x100>; + clocks = <&sysc MT7620_CLK_UARTLITE>; + interrupt-parent = <&intc>; interrupts = <12>; diff --git a/arch/mips/boot/dts/ralink/mt7620a_eval.dts b/arch/mips/boot/dts/ralink/mt7620a_eval.dts index 8de8f89f31b8..da483ee65b61 100644 --- a/arch/mips/boot/dts/ralink/mt7620a_eval.dts +++ b/arch/mips/boot/dts/ralink/mt7620a_eval.dts @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /dts-v1/; -/include/ "mt7620a.dtsi" +#include "mt7620a.dtsi" / { compatible = "ralink,mt7620a-eval-board", "ralink,mt7620a-soc"; diff --git a/arch/mips/boot/dts/ralink/mt7628a.dtsi b/arch/mips/boot/dts/ralink/mt7628a.dtsi index 45a15e005cc4..0212700c4fb4 100644 --- a/arch/mips/boot/dts/ralink/mt7628a.dtsi +++ b/arch/mips/boot/dts/ralink/mt7628a.dtsi @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include <dt-bindings/clock/mediatek,mtmips-sysc.h> / { #address-cells = <1>; @@ -16,11 +17,6 @@ }; }; - resetc: reset-controller { - compatible = "ralink,rt2880-reset"; - #reset-cells = <1>; - }; - cpuintc: interrupt-controller { #address-cells = <0>; #interrupt-cells = <1>; @@ -36,9 +32,11 @@ #address-cells = <1>; #size-cells = <1>; - sysc: system-controller@0 { - compatible = "ralink,mt7620a-sysc", "syscon"; + sysc: syscon@0 { + compatible = "ralink,mt7628-sysc", "syscon"; reg = <0x0 0x60>; + #clock-cells = <1>; + #reset-cells = <1>; }; pinmux: pinmux@60 { @@ -138,7 +136,7 @@ compatible = "mediatek,mt7621-wdt"; reg = <0x100 0x30>; - resets = <&resetc 8>; + resets = <&sysc 8>; reset-names = "wdt"; interrupt-parent = <&intc>; @@ -154,7 +152,7 @@ interrupt-controller; #interrupt-cells = <1>; - resets = <&resetc 9>; + resets = <&sysc 9>; reset-names = "intc"; interrupt-parent = <&cpuintc>; @@ -190,7 +188,9 @@ pinctrl-names = "default"; pinctrl-0 = <&pinmux_spi_spi>; - resets = <&resetc 18>; + clocks = <&sysc MT76X8_CLK_SPI1>; + + resets = <&sysc 18>; reset-names = "spi"; #address-cells = <1>; @@ -206,7 +206,9 @@ pinctrl-names = "default"; pinctrl-0 = <&pinmux_i2c_i2c>; - resets = <&resetc 16>; + clocks = <&sysc MT76X8_CLK_I2C>; + + resets = <&sysc 16>; reset-names = "i2c"; #address-cells = <1>; @@ -222,7 +224,9 @@ pinctrl-names = "default"; pinctrl-0 = <&pinmux_uart0_uart>; - resets = <&resetc 12>; + clocks = <&sysc MT76X8_CLK_UART0>; + + resets = <&sysc 12>; reset-names = "uart0"; interrupt-parent = <&intc>; @@ -238,7 +242,9 @@ pinctrl-names = "default"; pinctrl-0 = <&pinmux_uart1_uart>; - resets = <&resetc 19>; + clocks = <&sysc MT76X8_CLK_UART1>; + + resets = <&sysc 19>; reset-names = "uart1"; interrupt-parent = <&intc>; @@ -254,7 +260,9 @@ pinctrl-names = "default"; pinctrl-0 = <&pinmux_uart2_uart>; - resets = <&resetc 20>; + clocks = <&sysc MT76X8_CLK_UART2>; + + resets = <&sysc 20>; reset-names = "uart2"; interrupt-parent = <&intc>; @@ -271,7 +279,7 @@ #phy-cells = <0>; ralink,sysctl = <&sysc>; - resets = <&resetc 22 &resetc 25>; + resets = <&sysc 22 &sysc 25>; reset-names = "host", "device"; }; @@ -290,6 +298,8 @@ compatible = "mediatek,mt7628-wmac"; reg = <0x10300000 0x100000>; + clocks = <&sysc MT76X8_CLK_WMAC>; + interrupt-parent = <&cpuintc>; interrupts = <6>; diff --git a/arch/mips/boot/dts/ralink/omega2p.dts b/arch/mips/boot/dts/ralink/omega2p.dts index 5884fd48f59a..51a40ab6df2b 100644 --- a/arch/mips/boot/dts/ralink/omega2p.dts +++ b/arch/mips/boot/dts/ralink/omega2p.dts @@ -1,6 +1,6 @@ /dts-v1/; -/include/ "mt7628a.dtsi" +#include "mt7628a.dtsi" / { compatible = "onion,omega2+", "ralink,mt7688a-soc", "ralink,mt7628a-soc"; diff --git a/arch/mips/boot/dts/ralink/rt2880.dtsi b/arch/mips/boot/dts/ralink/rt2880.dtsi index 8fc1987d9063..1f2ea3434324 100644 --- a/arch/mips/boot/dts/ralink/rt2880.dtsi +++ b/arch/mips/boot/dts/ralink/rt2880.dtsi @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include <dt-bindings/clock/mediatek,mtmips-sysc.h> + / { #address-cells = <1>; #size-cells = <1>; @@ -25,9 +27,11 @@ #address-cells = <1>; #size-cells = <1>; - sysc@0 { - compatible = "ralink,rt2880-sysc"; + sysc: syscon@0 { + compatible = "ralink,rt2880-sysc", "syscon"; reg = <0x0 0x100>; + #clock-cells = <1>; + #reset-cells = <1>; }; intc: intc@200 { @@ -50,6 +54,8 @@ compatible = "ralink,rt2880-uart", "ns16550a"; reg = <0xc00 0x100>; + clocks = <&sysc RT2880_CLK_UARTLITE>; + interrupt-parent = <&intc>; interrupts = <8>; diff --git a/arch/mips/boot/dts/ralink/rt2880_eval.dts b/arch/mips/boot/dts/ralink/rt2880_eval.dts index 759bc1dd5b83..9854a4b120e9 100644 --- a/arch/mips/boot/dts/ralink/rt2880_eval.dts +++ b/arch/mips/boot/dts/ralink/rt2880_eval.dts @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /dts-v1/; -/include/ "rt2880.dtsi" +#include "rt2880.dtsi" / { compatible = "ralink,rt2880-eval-board", "ralink,rt2880-soc"; diff --git a/arch/mips/boot/dts/ralink/rt3050.dtsi b/arch/mips/boot/dts/ralink/rt3050.dtsi index 23062333a76d..a7d9bb9bc1af 100644 --- a/arch/mips/boot/dts/ralink/rt3050.dtsi +++ b/arch/mips/boot/dts/ralink/rt3050.dtsi @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include <dt-bindings/clock/mediatek,mtmips-sysc.h> + / { #address-cells = <1>; #size-cells = <1>; @@ -25,9 +27,11 @@ #address-cells = <1>; #size-cells = <1>; - sysc@0 { - compatible = "ralink,rt3052-sysc", "ralink,rt3050-sysc"; + sysc: syscon@0 { + compatible = "ralink,rt3052-sysc", "ralink,rt3050-sysc", "syscon"; reg = <0x0 0x100>; + #clock-cells = <1>; + #reset-cells = <1>; }; intc: intc@200 { @@ -50,6 +54,8 @@ compatible = "ralink,rt3052-uart", "ralink,rt2880-uart", "ns16550a"; reg = <0xc00 0x100>; + clocks = <&sysc RT305X_CLK_UARTLITE>; + interrupt-parent = <&intc>; interrupts = <12>; diff --git a/arch/mips/boot/dts/ralink/rt3883.dtsi b/arch/mips/boot/dts/ralink/rt3883.dtsi index 61132cf157e5..11d111a06037 100644 --- a/arch/mips/boot/dts/ralink/rt3883.dtsi +++ b/arch/mips/boot/dts/ralink/rt3883.dtsi @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include <dt-bindings/clock/mediatek,mtmips-sysc.h> + / { #address-cells = <1>; #size-cells = <1>; @@ -25,9 +27,11 @@ #address-cells = <1>; #size-cells = <1>; - sysc@0 { - compatible = "ralink,rt3883-sysc", "ralink,rt3050-sysc"; + sysc: syscon@0 { + compatible = "ralink,rt3883-sysc", "syscon"; reg = <0x0 0x100>; + #clock-cells = <1>; + #reset-cells = <1>; }; intc: intc@200 { @@ -50,6 +54,8 @@ compatible = "ralink,rt3883-uart", "ralink,rt2880-uart", "ns16550a"; reg = <0xc00 0x100>; + clocks = <&sysc RT3883_CLK_UARTLITE>; + interrupt-parent = <&intc>; interrupts = <12>; diff --git a/arch/mips/boot/dts/ralink/rt3883_eval.dts b/arch/mips/boot/dts/ralink/rt3883_eval.dts index c22bc84df219..a095a1fe9415 100644 --- a/arch/mips/boot/dts/ralink/rt3883_eval.dts +++ b/arch/mips/boot/dts/ralink/rt3883_eval.dts @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /dts-v1/; -/include/ "rt3883.dtsi" +#include "rt3883.dtsi" / { compatible = "ralink,rt3883-eval-board", "ralink,rt3883-soc"; diff --git a/arch/mips/boot/dts/realtek/cisco_sg220-26.dts b/arch/mips/boot/dts/realtek/cisco_sg220-26.dts index 1cdbb09297ef..fab3d552404d 100644 --- a/arch/mips/boot/dts/realtek/cisco_sg220-26.dts +++ b/arch/mips/boot/dts/realtek/cisco_sg220-26.dts @@ -2,9 +2,10 @@ /dts-v1/; -#include "rtl83xx.dtsi" #include "rtl838x.dtsi" +#include <dt-bindings/gpio/gpio.h> + / { model = "Cisco SG220-26"; compatible = "cisco,sg220-26", "realtek,rtl8382-soc"; @@ -18,6 +19,13 @@ device_type = "memory"; reg = <0x0 0x8000000>; }; + + gpio-restart { + compatible = "gpio-restart"; + gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; + priority = <192>; + open-source; + }; }; &uart0 { diff --git a/arch/mips/boot/dts/realtek/rtl838x.dtsi b/arch/mips/boot/dts/realtek/rtl838x.dtsi index 722106e39194..ce522a6af262 100644 --- a/arch/mips/boot/dts/realtek/rtl838x.dtsi +++ b/arch/mips/boot/dts/realtek/rtl838x.dtsi @@ -1,6 +1,14 @@ // SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause / { + #address-cells = <1>; + #size-cells = <1>; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -9,8 +17,7 @@ device_type = "cpu"; compatible = "mips,mips4KEc"; reg = <0>; - clocks = <&baseclk 0>; - clock-names = "cpu"; + clocks = <&baseclk>; }; }; @@ -19,4 +26,104 @@ #clock-cells = <0>; clock-frequency = <500000000>; }; + + cpuintc: cpuintc { + compatible = "mti,cpu-interrupt-controller"; + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + }; + + lx_clk: clock-lexra { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; + }; + + soc@18000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x18000000 0x10000>; + + spi0: spi@1200 { + compatible = "realtek,rtl8380-spi"; + reg = <0x1200 0x100>; + + #address-cells = <1>; + #size-cells = <0>; + }; + + uart0: serial@2000 { + compatible = "ns16550a"; + reg = <0x2000 0x100>; + + clocks = <&lx_clk>; + + interrupt-parent = <&intc>; + interrupts = <31>; + + reg-io-width = <1>; + reg-shift = <2>; + fifo-size = <1>; + no-loopback-test; + + status = "disabled"; + }; + + uart1: serial@2100 { + compatible = "ns16550a"; + reg = <0x2100 0x100>; + + clocks = <&lx_clk>; + + interrupt-parent = <&intc>; + interrupts = <30>; + + reg-io-width = <1>; + reg-shift = <2>; + fifo-size = <1>; + no-loopback-test; + + status = "disabled"; + }; + + intc: interrupt-controller@3000 { + compatible = "realtek,rtl8380-intc", "realtek,rtl-intc"; + reg = <0x3000 0x20>; + interrupt-controller; + #interrupt-cells = <1>; + + interrupt-parent = <&cpuintc>; + interrupts = <2>, <3>, <4>, <5>, <6>; + }; + + watchdog: watchdog@3150 { + compatible = "realtek,rtl8380-wdt"; + reg = <0x3150 0xc>; + + realtek,reset-mode = "soc"; + + clocks = <&lx_clk>; + timeout-sec = <20>; + + interrupt-parent = <&intc>; + interrupt-names = "phase1", "phase2"; + interrupts = <19>, <18>; + }; + + gpio0: gpio@3500 { + compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio"; + reg = <0x3500 0x1c>; + + gpio-controller; + #gpio-cells = <2>; + ngpios = <24>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&intc>; + interrupts = <23>; + }; + }; }; diff --git a/arch/mips/boot/dts/realtek/rtl83xx.dtsi b/arch/mips/boot/dts/realtek/rtl83xx.dtsi deleted file mode 100644 index 03ddc61f7c9e..000000000000 --- a/arch/mips/boot/dts/realtek/rtl83xx.dtsi +++ /dev/null @@ -1,59 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause - -/ { - #address-cells = <1>; - #size-cells = <1>; - - aliases { - serial0 = &uart0; - serial1 = &uart1; - }; - - cpuintc: cpuintc { - compatible = "mti,cpu-interrupt-controller"; - #address-cells = <0>; - #interrupt-cells = <1>; - interrupt-controller; - }; - - soc: soc { - compatible = "simple-bus"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0x18000000 0x10000>; - - uart0: serial@2000 { - compatible = "ns16550a"; - reg = <0x2000 0x100>; - - clock-frequency = <200000000>; - - interrupt-parent = <&cpuintc>; - interrupts = <31>; - - reg-io-width = <1>; - reg-shift = <2>; - fifo-size = <1>; - no-loopback-test; - - status = "disabled"; - }; - - uart1: serial@2100 { - compatible = "ns16550a"; - reg = <0x2100 0x100>; - - clock-frequency = <200000000>; - - interrupt-parent = <&cpuintc>; - interrupts = <30>; - - reg-io-width = <1>; - reg-shift = <2>; - fifo-size = <1>; - no-loopback-test; - - status = "disabled"; - }; - }; -}; diff --git a/arch/mips/boot/dts/realtek/rtl930x.dtsi b/arch/mips/boot/dts/realtek/rtl930x.dtsi index 17577457d159..f2e57ea3a60c 100644 --- a/arch/mips/boot/dts/realtek/rtl930x.dtsi +++ b/arch/mips/boot/dts/realtek/rtl930x.dtsi @@ -1,10 +1,23 @@ // SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause -#include "rtl83xx.dtsi" - / { compatible = "realtek,rtl9302-soc"; + #address-cells = <1>; + #size-cells = <1>; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + }; + + cpuintc: cpuintc { + compatible = "mti,cpu-interrupt-controller"; + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -13,8 +26,7 @@ device_type = "cpu"; compatible = "mips,mips34Kc"; reg = <0>; - clocks = <&baseclk 0>; - clock-names = "cpu"; + clocks = <&baseclk>; }; }; @@ -58,64 +70,84 @@ status = "disabled"; }; }; -}; -&soc { - ranges = <0x0 0x18000000 0x20000>; + soc: soc@18000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x18000000 0x20000>; - intc: interrupt-controller@3000 { - compatible = "realtek,rtl9300-intc", "realtek,rtl-intc"; - reg = <0x3000 0x18>, <0x3018 0x18>; - interrupt-controller; - #interrupt-cells = <1>; + intc: interrupt-controller@3000 { + compatible = "realtek,rtl9300-intc", "realtek,rtl-intc"; + reg = <0x3000 0x18>, <0x3018 0x18>; + interrupt-controller; + #interrupt-cells = <1>; - interrupt-parent = <&cpuintc>; - interrupts = <2>, <3>, <4>, <5>, <6>, <7>; - }; + interrupt-parent = <&cpuintc>; + interrupts = <2>, <3>, <4>, <5>, <6>, <7>; + }; - spi0: spi@1200 { - compatible = "realtek,rtl8380-spi"; - reg = <0x1200 0x100>; + spi0: spi@1200 { + compatible = "realtek,rtl8380-spi"; + reg = <0x1200 0x100>; - #address-cells = <1>; - #size-cells = <0>; - }; + #address-cells = <1>; + #size-cells = <0>; + }; - timer0: timer@3200 { - compatible = "realtek,rtl9302-timer", "realtek,otto-timer"; - reg = <0x3200 0x10>, <0x3210 0x10>, <0x3220 0x10>, - <0x3230 0x10>, <0x3240 0x10>; + timer0: timer@3200 { + compatible = "realtek,rtl9302-timer", "realtek,otto-timer"; + reg = <0x3200 0x10>, <0x3210 0x10>, <0x3220 0x10>, + <0x3230 0x10>, <0x3240 0x10>; - interrupt-parent = <&intc>; - interrupts = <7>, <8>, <9>, <10>, <11>; - clocks = <&lx_clk>; - }; + interrupt-parent = <&intc>; + interrupts = <7>, <8>, <9>, <10>, <11>; + clocks = <&lx_clk>; + }; - snand: spi@1a400 { - compatible = "realtek,rtl9301-snand"; - reg = <0x1a400 0x44>; - interrupt-parent = <&intc>; - interrupts = <19>; - clocks = <&lx_clk>; - #address-cells = <1>; - #size-cells = <0>; - status = "disabled"; - }; -}; + snand: spi@1a400 { + compatible = "realtek,rtl9301-snand"; + reg = <0x1a400 0x44>; + interrupt-parent = <&intc>; + interrupts = <19>; + clocks = <&lx_clk>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; -&uart0 { - /delete-property/ clock-frequency; - clocks = <&lx_clk>; + uart0: serial@2000 { + compatible = "ns16550a"; + reg = <0x2000 0x100>; - interrupt-parent = <&intc>; - interrupts = <30>; -}; + clocks = <&lx_clk>; -&uart1 { - /delete-property/ clock-frequency; - clocks = <&lx_clk>; + interrupt-parent = <&intc>; + interrupts = <30>; - interrupt-parent = <&intc>; - interrupts = <31>; -}; + reg-io-width = <1>; + reg-shift = <2>; + fifo-size = <1>; + no-loopback-test; + status = "disabled"; + }; + + uart1: serial@2100 { + compatible = "ns16550a"; + reg = <0x2100 0x100>; + + clocks = <&lx_clk>; + + interrupt-parent = <&intc>; + interrupts = <31>; + + reg-io-width = <1>; + reg-shift = <2>; + fifo-size = <1>; + no-loopback-test; + + status = "disabled"; + }; + }; +}; diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig index 92fc0edbac47..12f3eed8a946 100644 --- a/arch/mips/configs/gpr_defconfig +++ b/arch/mips/configs/gpr_defconfig @@ -116,7 +116,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig index e22e8b825903..31ca93d3acc5 100644 --- a/arch/mips/configs/ip22_defconfig +++ b/arch/mips/configs/ip22_defconfig @@ -161,7 +161,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig index b08a199767d1..829d731713a9 100644 --- a/arch/mips/configs/ip27_defconfig +++ b/arch/mips/configs/ip27_defconfig @@ -63,7 +63,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index e308b82c094a..869a14b3184f 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -190,7 +190,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig index fa5b04063ddb..41e1fea303ea 100644 --- a/arch/mips/configs/malta_kvm_defconfig +++ b/arch/mips/configs/malta_kvm_defconfig @@ -194,7 +194,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/malta_qemu_32r6_defconfig b/arch/mips/configs/malta_qemu_32r6_defconfig index b21f48863d81..1b98f6945c2d 100644 --- a/arch/mips/configs/malta_qemu_32r6_defconfig +++ b/arch/mips/configs/malta_qemu_32r6_defconfig @@ -64,7 +64,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig index ecfa8a396c33..7b8905cb3400 100644 --- a/arch/mips/configs/maltaaprp_defconfig +++ b/arch/mips/configs/maltaaprp_defconfig @@ -66,7 +66,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig index 5cb4f262a4ea..8249f6a51895 100644 --- a/arch/mips/configs/maltasmvp_defconfig +++ b/arch/mips/configs/maltasmvp_defconfig @@ -67,7 +67,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig index 5e1498296782..21cb37668763 100644 --- a/arch/mips/configs/maltasmvp_eva_defconfig +++ b/arch/mips/configs/maltasmvp_eva_defconfig @@ -68,7 +68,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig index c8594505d676..3df9cd669683 100644 --- a/arch/mips/configs/maltaup_defconfig +++ b/arch/mips/configs/maltaup_defconfig @@ -65,7 +65,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig index 40283171af68..13ff1877e26e 100644 --- a/arch/mips/configs/maltaup_xpa_defconfig +++ b/arch/mips/configs/maltaup_xpa_defconfig @@ -191,7 +191,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index 8e98c0796437..06b7a0b97eca 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -162,7 +162,6 @@ CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_SCH_INGRESS=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/omega2p_defconfig b/arch/mips/configs/omega2p_defconfig index 7c1c1b974d8f..128f9abab7fc 100644 --- a/arch/mips/configs/omega2p_defconfig +++ b/arch/mips/configs/omega2p_defconfig @@ -61,6 +61,7 @@ CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PLATFORM=y CONFIG_MMC=y +CONFIG_CLK_MTMIPS=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_MEMORY=y CONFIG_PHY_RALINK_USB=y diff --git a/arch/mips/configs/rb532_defconfig b/arch/mips/configs/rb532_defconfig index 517f1b060bf4..0261969a6e45 100644 --- a/arch/mips/configs/rb532_defconfig +++ b/arch/mips/configs/rb532_defconfig @@ -77,7 +77,6 @@ CONFIG_NET_SCH_CBQ=m CONFIG_NET_SCH_PRIO=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index 3a6d0384b774..7b5a5591ccc9 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -143,7 +143,6 @@ CONFIG_NET_SCH_GRED=m CONFIG_NET_SCH_DSMARK=m CONFIG_NET_SCH_NETEM=m CONFIG_NET_CLS_BASIC=m -CONFIG_NET_CLS_TCINDEX=m CONFIG_NET_CLS_ROUTE4=m CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m diff --git a/arch/mips/configs/vocore2_defconfig b/arch/mips/configs/vocore2_defconfig index 7c8ebb1b56da..917967fed45f 100644 --- a/arch/mips/configs/vocore2_defconfig +++ b/arch/mips/configs/vocore2_defconfig @@ -61,6 +61,7 @@ CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PLATFORM=y CONFIG_MMC=y +CONFIG_CLK_MTMIPS=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_MEMORY=y CONFIG_PHY_RALINK_USB=y diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c index cb12eb211a49..8d74d7d6c05b 100644 --- a/arch/mips/dec/prom/init.c +++ b/arch/mips/dec/prom/init.c @@ -42,7 +42,7 @@ int (*__pmax_close)(int); * Detect which PROM the DECSTATION has, and set the callback vectors * appropriately. */ -void __init which_prom(s32 magic, s32 *prom_vec) +static void __init which_prom(s32 magic, s32 *prom_vec) { /* * No sign of the REX PROM's magic number means we assume a non-REX diff --git a/arch/mips/include/asm/ds1287.h b/arch/mips/include/asm/ds1287.h index 46cfb01f9a14..51cb61fd4c03 100644 --- a/arch/mips/include/asm/ds1287.h +++ b/arch/mips/include/asm/ds1287.h @@ -8,7 +8,7 @@ #define __ASM_DS1287_H extern int ds1287_timer_state(void); -extern void ds1287_set_base_clock(unsigned int clock); +extern int ds1287_set_base_clock(unsigned int hz); extern int ds1287_clockevent_init(int irq); #endif diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h index dc025888f6d2..b41fc1044668 100644 --- a/arch/mips/include/asm/ftrace.h +++ b/arch/mips/include/asm/ftrace.h @@ -91,4 +91,20 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ + +#ifdef CONFIG_FTRACE_SYSCALLS +#ifndef __ASSEMBLY__ +/* + * Some syscall entry functions on mips start with "__sys_" (fork and clone, + * for instance). We should also match the sys_ variant with those. + */ +#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME +static inline bool arch_syscall_match_sym_name(const char *sym, + const char *name) +{ + return !strcmp(sym, name) || + (!strncmp(sym, "__sys_", 6) && !strcmp(sym + 6, name + 4)); +} +#endif /* __ASSEMBLY__ */ +#endif /* CONFIG_FTRACE_SYSCALLS */ #endif /* _ASM_MIPS_FTRACE_H */ diff --git a/arch/mips/include/asm/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h index 3eb767c8a4ee..e17ce82d02ba 100644 --- a/arch/mips/include/asm/mach-rc32434/pci.h +++ b/arch/mips/include/asm/mach-rc32434/pci.h @@ -167,7 +167,7 @@ struct pci_msu { #define PCI_CFGA_DEV 0x0000f800 #define PCI_CFGA_DEV_INTERN 0 #define PCI_CFGA_BUS_BIT 16 -#define PCI CFGA_BUS 0x00ff0000 +#define PCI_CFGA_BUS 0x00ff0000 #define PCI_CFGA_BUS_TYPE0 0 #define PCI_CFGA_EN (1 << 31) diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index 23ce951f445b..407f253bb4a1 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -59,6 +59,16 @@ extern phys_addr_t mips_cm_l2sync_phys_base(void); */ extern int mips_cm_is64; +/* + * mips_cm_is_l2_hci_broken - determine if HCI is broken + * + * Some CM reports show that Hardware Cache Initialization is + * complete, but in reality it's not the case. They also incorrectly + * indicate that Hardware Cache Initialization is supported. This + * flags allows warning about this broken feature. + */ +extern bool mips_cm_is_l2_hci_broken; + /** * mips_cm_error_report - Report CM cache errors */ @@ -98,6 +108,18 @@ static inline bool mips_cm_present(void) } /** + * mips_cm_update_property - update property from the device tree + * + * Retrieve the properties from the device tree if a CM node exist and + * update the internal variable based on this. + */ +#ifdef CONFIG_MIPS_CM +extern void mips_cm_update_property(void); +#else +static inline void mips_cm_update_property(void) {} +#endif + +/** * mips_cm_has_l2sync - determine whether an L2-only sync region is present * * Returns true if the system implements an L2-only sync region, else false. @@ -255,6 +277,12 @@ GCR_ACCESSOR_RW(32, 0x130, l2_config) GCR_ACCESSOR_RO(32, 0x150, sys_config2) #define CM_GCR_SYS_CONFIG2_MAXVPW GENMASK(3, 0) +/* GCR_L2-RAM_CONFIG - Configuration & status of L2 cache RAMs */ +GCR_ACCESSOR_RW(64, 0x240, l2_ram_config) +#define CM_GCR_L2_RAM_CONFIG_PRESENT BIT(31) +#define CM_GCR_L2_RAM_CONFIG_HCI_DONE BIT(30) +#define CM_GCR_L2_RAM_CONFIG_HCI_SUPPORTED BIT(29) + /* GCR_L2_PFT_CONTROL - Controls hardware L2 prefetching */ GCR_ACCESSOR_RW(32, 0x300, l2_pft_control) #define CM_GCR_L2_PFT_CONTROL_PAGEMASK GENMASK(31, 12) @@ -266,6 +294,18 @@ GCR_ACCESSOR_RW(32, 0x308, l2_pft_control_b) #define CM_GCR_L2_PFT_CONTROL_B_CEN BIT(8) #define CM_GCR_L2_PFT_CONTROL_B_PORTID GENMASK(7, 0) +/* GCR_L2_TAG_ADDR - Access addresses in L2 cache tags */ +GCR_ACCESSOR_RW(64, 0x600, l2_tag_addr) + +/* GCR_L2_TAG_STATE - Access L2 cache tag state */ +GCR_ACCESSOR_RW(64, 0x608, l2_tag_state) + +/* GCR_L2_DATA - Access data in L2 cache lines */ +GCR_ACCESSOR_RW(64, 0x610, l2_data) + +/* GCR_L2_ECC - Access ECC information from L2 cache lines */ +GCR_ACCESSOR_RW(64, 0x618, l2_ecc) + /* GCR_L2SM_COP - L2 cache op state machine control */ GCR_ACCESSOR_RW(32, 0x620, l2sm_cop) #define CM_GCR_L2SM_COP_PRESENT BIT(31) diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h index ab94e50f62b8..10d3ebd890cb 100644 --- a/arch/mips/include/asm/smp-cps.h +++ b/arch/mips/include/asm/smp-cps.h @@ -22,7 +22,12 @@ struct core_boot_config { struct vpe_boot_config *vpe_config; }; -extern struct core_boot_config *mips_cps_core_bootcfg; +struct cluster_boot_config { + unsigned long *core_power; + struct core_boot_config *core_config; +}; + +extern struct cluster_boot_config *mips_cps_cluster_bootcfg; extern void mips_cps_core_boot(int cca, void __iomem *gcr_base); extern void mips_cps_core_init(void); diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index b910ec54a3a1..1e29efcba46e 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -410,6 +410,9 @@ void output_cps_defines(void) { COMMENT(" MIPS CPS offsets. "); + OFFSET(CLUSTERBOOTCFG_CORECONFIG, cluster_boot_config, core_config); + DEFINE(CLUSTERBOOTCFG_SIZE, sizeof(struct cluster_boot_config)); + OFFSET(COREBOOTCFG_VPEMASK, core_boot_config, vpe_mask); OFFSET(COREBOOTCFG_VPECONFIG, core_boot_config, vpe_config); DEFINE(COREBOOTCFG_SIZE, sizeof(struct core_boot_config)); diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c index 9a47fbcd4638..de64d6bb7ba3 100644 --- a/arch/mips/kernel/cevt-ds1287.c +++ b/arch/mips/kernel/cevt-ds1287.c @@ -10,6 +10,7 @@ #include <linux/mc146818rtc.h> #include <linux/irq.h> +#include <asm/ds1287.h> #include <asm/time.h> int ds1287_timer_state(void) diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index f876309130ad..2ae7034a3d5c 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -19,6 +19,10 @@ #define GCR_CPC_BASE_OFS 0x0088 #define GCR_CL_COHERENCE_OFS 0x2008 #define GCR_CL_ID_OFS 0x2028 +#define CM3_GCR_Cx_ID_CLUSTER_SHF 8 +#define CM3_GCR_Cx_ID_CLUSTER_MSK (0xff << 8) +#define CM3_GCR_Cx_ID_CORENUM_SHF 0 +#define CM3_GCR_Cx_ID_CORENUM_MSK (0xff << 0) #define CPC_CL_VC_STOP_OFS 0x2020 #define CPC_CL_VC_RUN_OFS 0x2028 @@ -271,12 +275,21 @@ LEAF(mips_cps_core_init) */ LEAF(mips_cps_get_bootcfg) /* Calculate a pointer to this cores struct core_boot_config */ + PTR_LA v0, mips_cps_cluster_bootcfg + PTR_L v0, 0(v0) lw t0, GCR_CL_ID_OFS(s1) +#ifdef CONFIG_CPU_MIPSR6 + ext t1, t0, CM3_GCR_Cx_ID_CLUSTER_SHF, 8 + li t2, CLUSTERBOOTCFG_SIZE + mul t1, t1, t2 + PTR_ADDU \ + v0, v0, t1 +#endif + PTR_L v0, CLUSTERBOOTCFG_CORECONFIG(v0) + andi t0, t0, CM3_GCR_Cx_ID_CORENUM_MSK li t1, COREBOOTCFG_SIZE mul t0, t0, t1 - PTR_LA t1, mips_cps_core_bootcfg - PTR_L t1, 0(t1) - PTR_ADDU v0, t0, t1 + PTR_ADDU v0, v0, t0 /* Calculate this VPEs ID. If the core doesn't support MT use 0 */ li t9, 0 diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index 3eb2cfb893e1..43cb1e20baed 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -5,6 +5,7 @@ */ #include <linux/errno.h> +#include <linux/of.h> #include <linux/percpu.h> #include <linux/spinlock.h> @@ -14,6 +15,7 @@ void __iomem *mips_gcr_base; void __iomem *mips_cm_l2sync_base; int mips_cm_is64; +bool mips_cm_is_l2_hci_broken; static char *cm2_tr[8] = { "mem", "gcr", "gic", "mmio", @@ -237,6 +239,18 @@ static void mips_cm_probe_l2sync(void) mips_cm_l2sync_base = ioremap(addr, MIPS_CM_L2SYNC_SIZE); } +void mips_cm_update_property(void) +{ + struct device_node *cm_node; + + cm_node = of_find_compatible_node(of_root, NULL, "mobileye,eyeq6-cm"); + if (!cm_node) + return; + pr_info("HCI (Hardware Cache Init for the L2 cache) in GCR_L2_RAM_CONFIG from the CM3 is broken"); + mips_cm_is_l2_hci_broken = true; + of_node_put(cm_node); +} + int mips_cm_probe(void) { phys_addr_t addr; @@ -308,7 +322,9 @@ void mips_cm_lock_other(unsigned int cluster, unsigned int core, FIELD_PREP(CM3_GCR_Cx_OTHER_VP, vp); if (cm_rev >= CM_REV_CM3_5) { - val |= CM_GCR_Cx_OTHER_CLUSTER_EN; + if (cluster != cpu_cluster(¤t_cpu_data)) + val |= CM_GCR_Cx_OTHER_CLUSTER_EN; + val |= CM_GCR_Cx_OTHER_GIC_EN; val |= FIELD_PREP(CM_GCR_Cx_OTHER_CLUSTER, cluster); val |= FIELD_PREP(CM_GCR_Cx_OTHER_BLOCK, block); } else { diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c index d09ca77e624d..3de0e05e0511 100644 --- a/arch/mips/kernel/pm-cps.c +++ b/arch/mips/kernel/pm-cps.c @@ -57,10 +57,7 @@ static DEFINE_PER_CPU_ALIGNED(u32*, ready_count); /* Indicates online CPUs coupled with the current CPU */ static DEFINE_PER_CPU_ALIGNED(cpumask_t, online_coupled); -/* - * Used to synchronize entry to deep idle states. Actually per-core rather - * than per-CPU. - */ +/* Used to synchronize entry to deep idle states */ static DEFINE_PER_CPU_ALIGNED(atomic_t, pm_barrier); /* Saved CPU state across the CPS_PM_POWER_GATED state */ @@ -104,17 +101,20 @@ static void coupled_barrier(atomic_t *a, unsigned online) int cps_pm_enter_state(enum cps_pm_state state) { unsigned cpu = smp_processor_id(); + unsigned int cluster = cpu_cluster(¤t_cpu_data); unsigned core = cpu_core(¤t_cpu_data); unsigned online, left; cpumask_t *coupled_mask = this_cpu_ptr(&online_coupled); u32 *core_ready_count, *nc_core_ready_count; void *nc_addr; cps_nc_entry_fn entry; + struct cluster_boot_config *cluster_cfg; struct core_boot_config *core_cfg; struct vpe_boot_config *vpe_cfg; + atomic_t *barrier; /* Check that there is an entry function for this state */ - entry = per_cpu(nc_asm_enter, core)[state]; + entry = per_cpu(nc_asm_enter, cpu)[state]; if (!entry) return -EINVAL; @@ -138,7 +138,8 @@ int cps_pm_enter_state(enum cps_pm_state state) if (!mips_cps_smp_in_use()) return -EINVAL; - core_cfg = &mips_cps_core_bootcfg[core]; + cluster_cfg = &mips_cps_cluster_bootcfg[cluster]; + core_cfg = &cluster_cfg->core_config[core]; vpe_cfg = &core_cfg->vpe_config[cpu_vpe_id(¤t_cpu_data)]; vpe_cfg->pc = (unsigned long)mips_cps_pm_restore; vpe_cfg->gp = (unsigned long)current_thread_info(); @@ -150,7 +151,7 @@ int cps_pm_enter_state(enum cps_pm_state state) smp_mb__after_atomic(); /* Create a non-coherent mapping of the core ready_count */ - core_ready_count = per_cpu(ready_count, core); + core_ready_count = per_cpu(ready_count, cpu); nc_addr = kmap_noncoherent(virt_to_page(core_ready_count), (unsigned long)core_ready_count); nc_addr += ((unsigned long)core_ready_count & ~PAGE_MASK); @@ -158,7 +159,8 @@ int cps_pm_enter_state(enum cps_pm_state state) /* Ensure ready_count is zero-initialised before the assembly runs */ WRITE_ONCE(*nc_core_ready_count, 0); - coupled_barrier(&per_cpu(pm_barrier, core), online); + barrier = &per_cpu(pm_barrier, cpumask_first(&cpu_sibling_map[cpu])); + coupled_barrier(barrier, online); /* Run the generated entry code */ left = entry(online, nc_core_ready_count); @@ -629,12 +631,14 @@ out_err: static int cps_pm_online_cpu(unsigned int cpu) { - enum cps_pm_state state; - unsigned core = cpu_core(&cpu_data[cpu]); + unsigned int sibling, core; void *entry_fn, *core_rc; + enum cps_pm_state state; + + core = cpu_core(&cpu_data[cpu]); for (state = CPS_PM_NC_WAIT; state < CPS_PM_STATE_COUNT; state++) { - if (per_cpu(nc_asm_enter, core)[state]) + if (per_cpu(nc_asm_enter, cpu)[state]) continue; if (!test_bit(state, state_support)) continue; @@ -646,16 +650,19 @@ static int cps_pm_online_cpu(unsigned int cpu) clear_bit(state, state_support); } - per_cpu(nc_asm_enter, core)[state] = entry_fn; + for_each_cpu(sibling, &cpu_sibling_map[cpu]) + per_cpu(nc_asm_enter, sibling)[state] = entry_fn; } - if (!per_cpu(ready_count, core)) { + if (!per_cpu(ready_count, cpu)) { core_rc = kmalloc(sizeof(u32), GFP_KERNEL); if (!core_rc) { pr_err("Failed allocate core %u ready_count\n", core); return -ENOMEM; } - per_cpu(ready_count, core) = core_rc; + + for_each_cpu(sibling, &cpu_sibling_map[cpu]) + per_cpu(ready_count, sibling) = core_rc; } return 0; diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 82c8f9b9573c..e85bd087467e 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -36,11 +36,55 @@ enum label_id { UASM_L_LA(_not_nmi) -static DECLARE_BITMAP(core_power, NR_CPUS); static u64 core_entry_reg; static phys_addr_t cps_vec_pa; -struct core_boot_config *mips_cps_core_bootcfg; +struct cluster_boot_config *mips_cps_cluster_bootcfg; + +static void power_up_other_cluster(unsigned int cluster) +{ + u32 stat, seq_state; + unsigned int timeout; + + mips_cm_lock_other(cluster, CM_GCR_Cx_OTHER_CORE_CM, 0, + CM_GCR_Cx_OTHER_BLOCK_LOCAL); + stat = read_cpc_co_stat_conf(); + mips_cm_unlock_other(); + + seq_state = stat & CPC_Cx_STAT_CONF_SEQSTATE; + seq_state >>= __ffs(CPC_Cx_STAT_CONF_SEQSTATE); + if (seq_state == CPC_Cx_STAT_CONF_SEQSTATE_U5) + return; + + /* Set endianness & power up the CM */ + mips_cm_lock_other(cluster, 0, 0, CM_GCR_Cx_OTHER_BLOCK_GLOBAL); + write_cpc_redir_sys_config(IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)); + write_cpc_redir_pwrup_ctl(1); + mips_cm_unlock_other(); + + /* Wait for the CM to start up */ + timeout = 1000; + mips_cm_lock_other(cluster, CM_GCR_Cx_OTHER_CORE_CM, 0, + CM_GCR_Cx_OTHER_BLOCK_LOCAL); + while (1) { + stat = read_cpc_co_stat_conf(); + seq_state = stat & CPC_Cx_STAT_CONF_SEQSTATE; + seq_state >>= __ffs(CPC_Cx_STAT_CONF_SEQSTATE); + if (seq_state == CPC_Cx_STAT_CONF_SEQSTATE_U5) + break; + + if (timeout) { + mdelay(1); + timeout--; + } else { + pr_warn("Waiting for cluster %u CM to power up... STAT_CONF=0x%x\n", + cluster, stat); + mdelay(1000); + } + } + + mips_cm_unlock_other(); +} static unsigned __init core_vpe_count(unsigned int cluster, unsigned core) { @@ -178,6 +222,9 @@ static void __init cps_smp_setup(void) pr_cont(","); pr_cont("{"); + if (mips_cm_revision() >= CM_REV_CM3_5) + power_up_other_cluster(cl); + ncores = mips_cps_numcores(cl); for (c = 0; c < ncores; c++) { core_vpes = core_vpe_count(cl, c); @@ -205,8 +252,8 @@ static void __init cps_smp_setup(void) /* Indicate present CPUs (CPU being synonymous with VPE) */ for (v = 0; v < min_t(unsigned, nvpes, NR_CPUS); v++) { - set_cpu_possible(v, cpu_cluster(&cpu_data[v]) == 0); - set_cpu_present(v, cpu_cluster(&cpu_data[v]) == 0); + set_cpu_possible(v, true); + set_cpu_present(v, true); __cpu_number_map[v] = v; __cpu_logical_map[v] = v; } @@ -214,9 +261,6 @@ static void __init cps_smp_setup(void) /* Set a coherent default CCA (CWB) */ change_c0_config(CONF_CM_CMASK, 0x5); - /* Core 0 is powered up (we're running on it) */ - bitmap_set(core_power, 0, 1); - /* Initialise core 0 */ mips_cps_core_init(); @@ -238,8 +282,10 @@ static void __init cps_smp_setup(void) static void __init cps_prepare_cpus(unsigned int max_cpus) { - unsigned ncores, core_vpes, c, cca; + unsigned int nclusters, ncores, core_vpes, c, cl, cca; bool cca_unsuitable, cores_limited; + struct cluster_boot_config *cluster_bootcfg; + struct core_boot_config *core_bootcfg; mips_mt_set_cpuoptions(); @@ -281,40 +327,62 @@ static void __init cps_prepare_cpus(unsigned int max_cpus) setup_cps_vecs(); - /* Allocate core boot configuration structs */ - ncores = mips_cps_numcores(0); - mips_cps_core_bootcfg = kcalloc(ncores, sizeof(*mips_cps_core_bootcfg), + /* Allocate cluster boot configuration structs */ + nclusters = mips_cps_numclusters(); + mips_cps_cluster_bootcfg = kcalloc(nclusters, + sizeof(*mips_cps_cluster_bootcfg), + GFP_KERNEL); + + if (nclusters > 1) + mips_cm_update_property(); + + for (cl = 0; cl < nclusters; cl++) { + /* Allocate core boot configuration structs */ + ncores = mips_cps_numcores(cl); + core_bootcfg = kcalloc(ncores, sizeof(*core_bootcfg), GFP_KERNEL); - if (!mips_cps_core_bootcfg) { - pr_err("Failed to allocate boot config for %u cores\n", ncores); - goto err_out; - } + if (!core_bootcfg) + goto err_out; + mips_cps_cluster_bootcfg[cl].core_config = core_bootcfg; - /* Allocate VPE boot configuration structs */ - for (c = 0; c < ncores; c++) { - core_vpes = core_vpe_count(0, c); - mips_cps_core_bootcfg[c].vpe_config = kcalloc(core_vpes, - sizeof(*mips_cps_core_bootcfg[c].vpe_config), + mips_cps_cluster_bootcfg[cl].core_power = + kcalloc(BITS_TO_LONGS(ncores), sizeof(unsigned long), GFP_KERNEL); - if (!mips_cps_core_bootcfg[c].vpe_config) { - pr_err("Failed to allocate %u VPE boot configs\n", - core_vpes); - goto err_out; + + /* Allocate VPE boot configuration structs */ + for (c = 0; c < ncores; c++) { + core_vpes = core_vpe_count(cl, c); + core_bootcfg[c].vpe_config = kcalloc(core_vpes, + sizeof(*core_bootcfg[c].vpe_config), + GFP_KERNEL); + if (!core_bootcfg[c].vpe_config) + goto err_out; } } - /* Mark this CPU as booted */ - atomic_set(&mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)].vpe_mask, - 1 << cpu_vpe_id(¤t_cpu_data)); + /* Mark this CPU as powered up & booted */ + cl = cpu_cluster(¤t_cpu_data); + c = cpu_core(¤t_cpu_data); + cluster_bootcfg = &mips_cps_cluster_bootcfg[cl]; + core_bootcfg = &cluster_bootcfg->core_config[c]; + bitmap_set(cluster_bootcfg->core_power, cpu_core(¤t_cpu_data), 1); + atomic_set(&core_bootcfg->vpe_mask, 1 << cpu_vpe_id(¤t_cpu_data)); return; err_out: /* Clean up allocations */ - if (mips_cps_core_bootcfg) { - for (c = 0; c < ncores; c++) - kfree(mips_cps_core_bootcfg[c].vpe_config); - kfree(mips_cps_core_bootcfg); - mips_cps_core_bootcfg = NULL; + if (mips_cps_cluster_bootcfg) { + for (cl = 0; cl < nclusters; cl++) { + cluster_bootcfg = &mips_cps_cluster_bootcfg[cl]; + ncores = mips_cps_numcores(cl); + for (c = 0; c < ncores; c++) { + core_bootcfg = &cluster_bootcfg->core_config[c]; + kfree(core_bootcfg->vpe_config); + } + kfree(mips_cps_cluster_bootcfg[c].core_config); + } + kfree(mips_cps_cluster_bootcfg); + mips_cps_cluster_bootcfg = NULL; } /* Effectively disable SMP by declaring CPUs not present */ @@ -325,13 +393,118 @@ err_out: } } -static void boot_core(unsigned int core, unsigned int vpe_id) +static void init_cluster_l2(void) { - u32 stat, seq_state; - unsigned timeout; + u32 l2_cfg, l2sm_cop, result; + + while (!mips_cm_is_l2_hci_broken) { + l2_cfg = read_gcr_redir_l2_ram_config(); + + /* If HCI is not supported, use the state machine below */ + if (!(l2_cfg & CM_GCR_L2_RAM_CONFIG_PRESENT)) + break; + if (!(l2_cfg & CM_GCR_L2_RAM_CONFIG_HCI_SUPPORTED)) + break; + + /* If the HCI_DONE bit is set, we're finished */ + if (l2_cfg & CM_GCR_L2_RAM_CONFIG_HCI_DONE) + return; + } + + l2sm_cop = read_gcr_redir_l2sm_cop(); + if (WARN(!(l2sm_cop & CM_GCR_L2SM_COP_PRESENT), + "L2 init not supported on this system yet")) + return; + + /* Clear L2 tag registers */ + write_gcr_redir_l2_tag_state(0); + write_gcr_redir_l2_ecc(0); + + /* Ensure the L2 tag writes complete before the state machine starts */ + mb(); + + /* Wait for the L2 state machine to be idle */ + do { + l2sm_cop = read_gcr_redir_l2sm_cop(); + } while (l2sm_cop & CM_GCR_L2SM_COP_RUNNING); + + /* Start a store tag operation */ + l2sm_cop = CM_GCR_L2SM_COP_TYPE_IDX_STORETAG; + l2sm_cop <<= __ffs(CM_GCR_L2SM_COP_TYPE); + l2sm_cop |= CM_GCR_L2SM_COP_CMD_START; + write_gcr_redir_l2sm_cop(l2sm_cop); + + /* Ensure the state machine starts before we poll for completion */ + mb(); + + /* Wait for the operation to be complete */ + do { + l2sm_cop = read_gcr_redir_l2sm_cop(); + result = l2sm_cop & CM_GCR_L2SM_COP_RESULT; + result >>= __ffs(CM_GCR_L2SM_COP_RESULT); + } while (!result); + + WARN(result != CM_GCR_L2SM_COP_RESULT_DONE_OK, + "L2 state machine failed cache init with error %u\n", result); +} + +static void boot_core(unsigned int cluster, unsigned int core, + unsigned int vpe_id) +{ + struct cluster_boot_config *cluster_cfg; + u32 access, stat, seq_state; + unsigned int timeout, ncores; + + cluster_cfg = &mips_cps_cluster_bootcfg[cluster]; + ncores = mips_cps_numcores(cluster); + + if ((cluster != cpu_cluster(¤t_cpu_data)) && + bitmap_empty(cluster_cfg->core_power, ncores)) { + power_up_other_cluster(cluster); + + mips_cm_lock_other(cluster, core, 0, + CM_GCR_Cx_OTHER_BLOCK_GLOBAL); + + /* Ensure cluster GCRs are where we expect */ + write_gcr_redir_base(read_gcr_base()); + write_gcr_redir_cpc_base(read_gcr_cpc_base()); + write_gcr_redir_gic_base(read_gcr_gic_base()); + + init_cluster_l2(); + + /* Mirror L2 configuration */ + write_gcr_redir_l2_only_sync_base(read_gcr_l2_only_sync_base()); + write_gcr_redir_l2_pft_control(read_gcr_l2_pft_control()); + write_gcr_redir_l2_pft_control_b(read_gcr_l2_pft_control_b()); + + /* Mirror ECC/parity setup */ + write_gcr_redir_err_control(read_gcr_err_control()); + + /* Set BEV base */ + write_gcr_redir_bev_base(core_entry_reg); + + mips_cm_unlock_other(); + } + + if (cluster != cpu_cluster(¤t_cpu_data)) { + mips_cm_lock_other(cluster, core, 0, + CM_GCR_Cx_OTHER_BLOCK_GLOBAL); + + /* Ensure the core can access the GCRs */ + access = read_gcr_redir_access(); + access |= BIT(core); + write_gcr_redir_access(access); + + mips_cm_unlock_other(); + } else { + /* Ensure the core can access the GCRs */ + access = read_gcr_access(); + access |= BIT(core); + write_gcr_access(access); + } /* Select the appropriate core */ - mips_cm_lock_other(0, core, 0, CM_GCR_Cx_OTHER_BLOCK_LOCAL); + mips_cm_lock_other(cluster, core, 0, CM_GCR_Cx_OTHER_BLOCK_LOCAL); /* Set its reset vector */ if (mips_cm_is64) @@ -400,30 +573,42 @@ static void boot_core(unsigned int core, unsigned int vpe_id) mips_cm_unlock_other(); /* The core is now powered up */ - bitmap_set(core_power, core, 1); + bitmap_set(cluster_cfg->core_power, core, 1); + + /* + * Restore CM_PWRUP=0 so that the CM can power down if all the cores in + * the cluster do (eg. if they're all removed via hotplug. + */ + if (mips_cm_revision() >= CM_REV_CM3_5) { + mips_cm_lock_other(cluster, 0, 0, CM_GCR_Cx_OTHER_BLOCK_GLOBAL); + write_cpc_redir_pwrup_ctl(0); + mips_cm_unlock_other(); + } } static void remote_vpe_boot(void *dummy) { + unsigned int cluster = cpu_cluster(¤t_cpu_data); unsigned core = cpu_core(¤t_cpu_data); - struct core_boot_config *core_cfg = &mips_cps_core_bootcfg[core]; + struct cluster_boot_config *cluster_cfg = + &mips_cps_cluster_bootcfg[cluster]; + struct core_boot_config *core_cfg = &cluster_cfg->core_config[core]; mips_cps_boot_vpes(core_cfg, cpu_vpe_id(¤t_cpu_data)); } static int cps_boot_secondary(int cpu, struct task_struct *idle) { + unsigned int cluster = cpu_cluster(&cpu_data[cpu]); unsigned core = cpu_core(&cpu_data[cpu]); unsigned vpe_id = cpu_vpe_id(&cpu_data[cpu]); - struct core_boot_config *core_cfg = &mips_cps_core_bootcfg[core]; + struct cluster_boot_config *cluster_cfg = + &mips_cps_cluster_bootcfg[cluster]; + struct core_boot_config *core_cfg = &cluster_cfg->core_config[core]; struct vpe_boot_config *vpe_cfg = &core_cfg->vpe_config[vpe_id]; unsigned int remote; int err; - /* We don't yet support booting CPUs in other clusters */ - if (cpu_cluster(&cpu_data[cpu]) != cpu_cluster(&raw_current_cpu_data)) - return -ENOSYS; - vpe_cfg->pc = (unsigned long)&smp_bootstrap; vpe_cfg->sp = __KSTK_TOS(idle); vpe_cfg->gp = (unsigned long)task_thread_info(idle); @@ -432,14 +617,15 @@ static int cps_boot_secondary(int cpu, struct task_struct *idle) preempt_disable(); - if (!test_bit(core, core_power)) { + if (!test_bit(core, cluster_cfg->core_power)) { /* Boot a VPE on a powered down core */ - boot_core(core, vpe_id); + boot_core(cluster, core, vpe_id); goto out; } if (cpu_has_vp) { - mips_cm_lock_other(0, core, vpe_id, CM_GCR_Cx_OTHER_BLOCK_LOCAL); + mips_cm_lock_other(cluster, core, vpe_id, + CM_GCR_Cx_OTHER_BLOCK_LOCAL); if (mips_cm_is64) write_gcr_co_reset64_base(core_entry_reg); else @@ -576,12 +762,14 @@ static void cps_kexec_nonboot_cpu(void) static int cps_cpu_disable(void) { unsigned cpu = smp_processor_id(); + struct cluster_boot_config *cluster_cfg; struct core_boot_config *core_cfg; if (!cps_pm_support_state(CPS_PM_POWER_GATED)) return -EINVAL; - core_cfg = &mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)]; + cluster_cfg = &mips_cps_cluster_bootcfg[cpu_cluster(¤t_cpu_data)]; + core_cfg = &cluster_cfg->core_config[cpu_core(¤t_cpu_data)]; atomic_sub(1 << cpu_vpe_id(¤t_cpu_data), &core_cfg->vpe_mask); smp_mb__after_atomic(); set_cpu_online(cpu, false); @@ -647,11 +835,15 @@ static void cps_cpu_die(unsigned int cpu) { } static void cps_cleanup_dead_cpu(unsigned cpu) { + unsigned int cluster = cpu_cluster(&cpu_data[cpu]); unsigned core = cpu_core(&cpu_data[cpu]); unsigned int vpe_id = cpu_vpe_id(&cpu_data[cpu]); ktime_t fail_time; unsigned stat; int err; + struct cluster_boot_config *cluster_cfg; + + cluster_cfg = &mips_cps_cluster_bootcfg[cluster]; /* * Now wait for the CPU to actually offline. Without doing this that @@ -703,7 +895,7 @@ static void cps_cleanup_dead_cpu(unsigned cpu) } while (1); /* Indicate the core is powered off */ - bitmap_clear(core_power, core, 1); + bitmap_clear(cluster_cfg->core_power, core, 1); } else if (cpu_has_mipsmt) { /* * Have a CPU with access to the offlined CPUs registers wait diff --git a/arch/mips/loongson2ef/common/machtype.c b/arch/mips/loongson2ef/common/machtype.c index 82f6de49f20f..e635e66d2e6c 100644 --- a/arch/mips/loongson2ef/common/machtype.c +++ b/arch/mips/loongson2ef/common/machtype.c @@ -48,8 +48,7 @@ void __init prom_init_machtype(void) return; } p += strlen("machtype="); - strncpy(str, p, MACHTYPE_LEN); - str[MACHTYPE_LEN] = '\0'; + strscpy(str, p); p = strstr(str, " "); if (p) *p = '\0'; diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c index 42fdb939c88d..03cb69937258 100644 --- a/arch/mips/sni/setup.c +++ b/arch/mips/sni/setup.c @@ -12,7 +12,6 @@ #include <linux/init.h> #include <linux/export.h> #include <linux/console.h> -#include <linux/fb.h> #include <linux/screen_info.h> #ifdef CONFIG_FW_ARC diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index 7907b740497a..abb685a080a5 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -115,6 +115,9 @@ static void gic_update_frequency(void *data) static int gic_starting_cpu(unsigned int cpu) { + /* Ensure the GIC counter is running */ + clear_gic_config(GIC_CONFIG_COUNTSTOP); + gic_clockevent_cpu_init(cpu, this_cpu_ptr(&gic_clockevent_device)); return 0; } @@ -288,9 +291,6 @@ static int __init gic_clocksource_of_init(struct device_node *node) pr_warn("Unable to register clock notifier\n"); } - /* And finally start the counter */ - clear_gic_config(GIC_CONFIG_COUNTSTOP); - /* * It's safe to use the MIPS GIC timer as a sched clock source only if * its ticks are stable, which is true on either the platforms with diff --git a/include/dt-bindings/clock/mediatek,mtmips-sysc.h b/include/dt-bindings/clock/mediatek,mtmips-sysc.h new file mode 100644 index 000000000000..a03335b0e077 --- /dev/null +++ b/include/dt-bindings/clock/mediatek,mtmips-sysc.h @@ -0,0 +1,130 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Author: Sergio Paracuellos <sergio.paracuellos@gmail.com> + */ + +#ifndef _DT_BINDINGS_CLK_MTMIPS_H +#define _DT_BINDINGS_CLK_MTMIPS_H + +/* Ralink RT-2880 clocks */ + +#define RT2880_CLK_XTAL 0 +#define RT2880_CLK_CPU 1 +#define RT2880_CLK_BUS 2 +#define RT2880_CLK_TIMER 3 +#define RT2880_CLK_WATCHDOG 4 +#define RT2880_CLK_UART 5 +#define RT2880_CLK_I2C 6 +#define RT2880_CLK_UARTLITE 7 +#define RT2880_CLK_ETHERNET 8 +#define RT2880_CLK_WMAC 9 + +/* Ralink RT-305X clocks */ + +#define RT305X_CLK_XTAL 0 +#define RT305X_CLK_CPU 1 +#define RT305X_CLK_BUS 2 +#define RT305X_CLK_TIMER 3 +#define RT305X_CLK_WATCHDOG 4 +#define RT305X_CLK_UART 5 +#define RT305X_CLK_I2C 6 +#define RT305X_CLK_I2S 7 +#define RT305X_CLK_SPI1 8 +#define RT305X_CLK_SPI2 9 +#define RT305X_CLK_UARTLITE 10 +#define RT305X_CLK_ETHERNET 11 +#define RT305X_CLK_WMAC 12 + +/* Ralink RT-3352 clocks */ + +#define RT3352_CLK_XTAL 0 +#define RT3352_CLK_CPU 1 +#define RT3352_CLK_PERIPH 2 +#define RT3352_CLK_BUS 3 +#define RT3352_CLK_TIMER 4 +#define RT3352_CLK_WATCHDOG 5 +#define RT3352_CLK_UART 6 +#define RT3352_CLK_I2C 7 +#define RT3352_CLK_I2S 8 +#define RT3352_CLK_SPI1 9 +#define RT3352_CLK_SPI2 10 +#define RT3352_CLK_UARTLITE 11 +#define RT3352_CLK_ETHERNET 12 +#define RT3352_CLK_WMAC 13 + +/* Ralink RT-3883 clocks */ + +#define RT3883_CLK_XTAL 0 +#define RT3883_CLK_CPU 1 +#define RT3883_CLK_BUS 2 +#define RT3883_CLK_PERIPH 3 +#define RT3883_CLK_TIMER 4 +#define RT3883_CLK_WATCHDOG 5 +#define RT3883_CLK_UART 6 +#define RT3883_CLK_I2C 7 +#define RT3883_CLK_I2S 8 +#define RT3883_CLK_SPI1 9 +#define RT3883_CLK_SPI2 10 +#define RT3883_CLK_UARTLITE 11 +#define RT3883_CLK_ETHERNET 12 +#define RT3883_CLK_WMAC 13 + +/* Ralink RT-5350 clocks */ + +#define RT5350_CLK_XTAL 0 +#define RT5350_CLK_CPU 1 +#define RT5350_CLK_BUS 2 +#define RT5350_CLK_PERIPH 3 +#define RT5350_CLK_TIMER 4 +#define RT5350_CLK_WATCHDOG 5 +#define RT5350_CLK_UART 6 +#define RT5350_CLK_I2C 7 +#define RT5350_CLK_I2S 8 +#define RT5350_CLK_SPI1 9 +#define RT5350_CLK_SPI2 10 +#define RT5350_CLK_UARTLITE 11 +#define RT5350_CLK_ETHERNET 12 +#define RT5350_CLK_WMAC 13 + +/* Ralink MT-7620 clocks */ + +#define MT7620_CLK_XTAL 0 +#define MT7620_CLK_PLL 1 +#define MT7620_CLK_CPU 2 +#define MT7620_CLK_PERIPH 3 +#define MT7620_CLK_BUS 4 +#define MT7620_CLK_BBPPLL 5 +#define MT7620_CLK_SDHC 6 +#define MT7620_CLK_TIMER 7 +#define MT7620_CLK_WATCHDOG 8 +#define MT7620_CLK_UART 9 +#define MT7620_CLK_I2C 10 +#define MT7620_CLK_I2S 11 +#define MT7620_CLK_SPI1 12 +#define MT7620_CLK_SPI2 13 +#define MT7620_CLK_UARTLITE 14 +#define MT7620_CLK_MMC 15 +#define MT7620_CLK_WMAC 16 + +/* Ralink MT-76X8 clocks */ + +#define MT76X8_CLK_XTAL 0 +#define MT76X8_CLK_CPU 1 +#define MT76X8_CLK_BBPPLL 2 +#define MT76X8_CLK_PCMI2S 3 +#define MT76X8_CLK_PERIPH 4 +#define MT76X8_CLK_BUS 5 +#define MT76X8_CLK_SDHC 6 +#define MT76X8_CLK_TIMER 7 +#define MT76X8_CLK_WATCHDOG 8 +#define MT76X8_CLK_I2C 9 +#define MT76X8_CLK_I2S 10 +#define MT76X8_CLK_SPI1 11 +#define MT76X8_CLK_SPI2 12 +#define MT76X8_CLK_UART0 13 +#define MT76X8_CLK_UART1 14 +#define MT76X8_CLK_UART2 15 +#define MT76X8_CLK_MMC 16 +#define MT76X8_CLK_WMAC 17 + +#endif /* _DT_BINDINGS_CLK_MTMIPS_H */ |