diff options
Diffstat (limited to 'arch/mips')
32 files changed, 340 insertions, 940 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2828ecde133d..45bcd1cfcec0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -364,6 +364,7 @@ config MACH_INGENIC select SYS_SUPPORTS_ZBOOT_UART16550 select DMA_NONCOHERENT select IRQ_MIPS_CPU + select PINCTRL select GPIOLIB select COMMON_CLK select GENERIC_IRQ_CHIP diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts index 1652d8d60b1e..fd138d9978c1 100644 --- a/arch/mips/boot/dts/ingenic/ci20.dts +++ b/arch/mips/boot/dts/ingenic/ci20.dts @@ -29,18 +29,30 @@ &uart0 { status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_uart0>; }; &uart1 { status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_uart1>; }; &uart3 { status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_uart2>; }; &uart4 { status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_uart4>; }; &nemc { @@ -61,6 +73,13 @@ ingenic,nemc-tAW = <15>; ingenic,nemc-tSTRV = <100>; + /* + * Only CLE/ALE are needed for the devices that are connected, rather + * than the full address line set. + */ + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc>; + nand@1 { reg = <1>; @@ -69,6 +88,9 @@ nand-ecc-mode = "hw"; nand-on-flash-bbt; + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc_cs1>; + partitions { compatible = "fixed-partitions"; #address-cells = <2>; @@ -106,3 +128,41 @@ &bch { status = "okay"; }; + +&pinctrl { + pins_uart0: uart0 { + function = "uart0"; + groups = "uart0-data"; + bias-disable; + }; + + pins_uart1: uart1 { + function = "uart1"; + groups = "uart1-data"; + bias-disable; + }; + + pins_uart2: uart2 { + function = "uart2"; + groups = "uart2-data", "uart2-hwflow"; + bias-disable; + }; + + pins_uart4: uart4 { + function = "uart4"; + groups = "uart4-data"; + bias-disable; + }; + + pins_nemc: nemc { + function = "nemc"; + groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe"; + bias-disable; + }; + + pins_nemc_cs1: nemc-cs1 { + function = "nemc-cs1"; + groups = "nemc-cs1"; + bias-disable; + }; +}; diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi index 3e1587f1f77a..2ca7ce7481f1 100644 --- a/arch/mips/boot/dts/ingenic/jz4740.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi @@ -55,6 +55,74 @@ clock-names = "rtc"; }; + pinctrl: pin-controller@10010000 { + compatible = "ingenic,jz4740-pinctrl"; + reg = <0x10010000 0x400>; + + #address-cells = <1>; + #size-cells = <0>; + + gpa: gpio@0 { + compatible = "ingenic,jz4740-gpio"; + reg = <0>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <28>; + }; + + gpb: gpio@1 { + compatible = "ingenic,jz4740-gpio"; + reg = <1>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 32 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <27>; + }; + + gpc: gpio@2 { + compatible = "ingenic,jz4740-gpio"; + reg = <2>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 64 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <26>; + }; + + gpd: gpio@3 { + compatible = "ingenic,jz4740-gpio"; + reg = <3>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 96 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <25>; + }; + }; + uart0: serial@10030000 { compatible = "ingenic,jz4740-uart"; reg = <0x10030000 0x100>; diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi index b868b429add2..4853ef67b3ab 100644 --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi @@ -44,6 +44,104 @@ #clock-cells = <1>; }; + pinctrl: pin-controller@10010000 { + compatible = "ingenic,jz4780-pinctrl"; + reg = <0x10010000 0x600>; + + #address-cells = <1>; + #size-cells = <0>; + + gpa: gpio@0 { + compatible = "ingenic,jz4780-gpio"; + reg = <0>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <17>; + }; + + gpb: gpio@1 { + compatible = "ingenic,jz4780-gpio"; + reg = <1>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 32 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <16>; + }; + + gpc: gpio@2 { + compatible = "ingenic,jz4780-gpio"; + reg = <2>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 64 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <15>; + }; + + gpd: gpio@3 { + compatible = "ingenic,jz4780-gpio"; + reg = <3>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 96 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <14>; + }; + + gpe: gpio@4 { + compatible = "ingenic,jz4780-gpio"; + reg = <4>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 128 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <13>; + }; + + gpf: gpio@5 { + compatible = "ingenic,jz4780-gpio"; + reg = <5>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 160 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <12>; + }; + }; + uart0: serial@10030000 { compatible = "ingenic,jz4780-uart"; reg = <0x10030000 0x100>; diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts index be1a7d3a3e1b..b715ee2ac2ee 100644 --- a/arch/mips/boot/dts/ingenic/qi_lb60.dts +++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts @@ -17,3 +17,16 @@ &rtc_dev { system-power-controller; }; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&pins_uart0>; +}; + +&pinctrl { + pins_uart0: uart0 { + function = "uart0"; + groups = "uart0-data"; + bias-disable; + }; +}; diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c index 4af619215410..1231b5a17b37 100644 --- a/arch/mips/generic/init.c +++ b/arch/mips/generic/init.c @@ -161,7 +161,7 @@ void __init plat_time_init(void) } } - clocksource_probe(); + timer_probe(); } void __init arch_init_irq(void) diff --git a/arch/mips/include/asm/mach-jz4740/gpio.h b/arch/mips/include/asm/mach-jz4740/gpio.h index 7c7708a23baa..fd847c984701 100644 --- a/arch/mips/include/asm/mach-jz4740/gpio.h +++ b/arch/mips/include/asm/mach-jz4740/gpio.h @@ -16,380 +16,9 @@ #ifndef _JZ_GPIO_H #define _JZ_GPIO_H -#include <linux/types.h> - -enum jz_gpio_function { - JZ_GPIO_FUNC_NONE, - JZ_GPIO_FUNC1, - JZ_GPIO_FUNC2, - JZ_GPIO_FUNC3, -}; - -/* - Usually a driver for a SoC component has to request several gpio pins and - configure them as function pins. - jz_gpio_bulk_request can be used to ease this process. - Usually one would do something like: - - static const struct jz_gpio_bulk_request i2c_pins[] = { - JZ_GPIO_BULK_PIN(I2C_SDA), - JZ_GPIO_BULK_PIN(I2C_SCK), - }; - - inside the probe function: - - ret = jz_gpio_bulk_request(i2c_pins, ARRAY_SIZE(i2c_pins)); - if (ret) { - ... - - inside the remove function: - - jz_gpio_bulk_free(i2c_pins, ARRAY_SIZE(i2c_pins)); - -*/ - -struct jz_gpio_bulk_request { - int gpio; - const char *name; - enum jz_gpio_function function; -}; - -#define JZ_GPIO_BULK_PIN(pin) { \ - .gpio = JZ_GPIO_ ## pin, \ - .name = #pin, \ - .function = JZ_GPIO_FUNC_ ## pin \ -} - -int jz_gpio_bulk_request(const struct jz_gpio_bulk_request *request, size_t num); -void jz_gpio_bulk_free(const struct jz_gpio_bulk_request *request, size_t num); -void jz_gpio_bulk_suspend(const struct jz_gpio_bulk_request *request, size_t num); -void jz_gpio_bulk_resume(const struct jz_gpio_bulk_request *request, size_t num); -void jz_gpio_enable_pullup(unsigned gpio); -void jz_gpio_disable_pullup(unsigned gpio); -int jz_gpio_set_function(int gpio, enum jz_gpio_function function); - -int jz_gpio_port_direction_input(int port, uint32_t mask); -int jz_gpio_port_direction_output(int port, uint32_t mask); -void jz_gpio_port_set_value(int port, uint32_t value, uint32_t mask); -uint32_t jz_gpio_port_get_value(int port, uint32_t mask); - #define JZ_GPIO_PORTA(x) ((x) + 32 * 0) #define JZ_GPIO_PORTB(x) ((x) + 32 * 1) #define JZ_GPIO_PORTC(x) ((x) + 32 * 2) #define JZ_GPIO_PORTD(x) ((x) + 32 * 3) -/* Port A function pins */ -#define JZ_GPIO_MEM_DATA0 JZ_GPIO_PORTA(0) -#define JZ_GPIO_MEM_DATA1 JZ_GPIO_PORTA(1) -#define JZ_GPIO_MEM_DATA2 JZ_GPIO_PORTA(2) -#define JZ_GPIO_MEM_DATA3 JZ_GPIO_PORTA(3) -#define JZ_GPIO_MEM_DATA4 JZ_GPIO_PORTA(4) -#define JZ_GPIO_MEM_DATA5 JZ_GPIO_PORTA(5) -#define JZ_GPIO_MEM_DATA6 JZ_GPIO_PORTA(6) -#define JZ_GPIO_MEM_DATA7 JZ_GPIO_PORTA(7) -#define JZ_GPIO_MEM_DATA8 JZ_GPIO_PORTA(8) -#define JZ_GPIO_MEM_DATA9 JZ_GPIO_PORTA(9) -#define JZ_GPIO_MEM_DATA10 JZ_GPIO_PORTA(10) -#define JZ_GPIO_MEM_DATA11 JZ_GPIO_PORTA(11) -#define JZ_GPIO_MEM_DATA12 JZ_GPIO_PORTA(12) -#define JZ_GPIO_MEM_DATA13 JZ_GPIO_PORTA(13) -#define JZ_GPIO_MEM_DATA14 JZ_GPIO_PORTA(14) -#define JZ_GPIO_MEM_DATA15 JZ_GPIO_PORTA(15) -#define JZ_GPIO_MEM_DATA16 JZ_GPIO_PORTA(16) -#define JZ_GPIO_MEM_DATA17 JZ_GPIO_PORTA(17) -#define JZ_GPIO_MEM_DATA18 JZ_GPIO_PORTA(18) -#define JZ_GPIO_MEM_DATA19 JZ_GPIO_PORTA(19) -#define JZ_GPIO_MEM_DATA20 JZ_GPIO_PORTA(20) -#define JZ_GPIO_MEM_DATA21 JZ_GPIO_PORTA(21) -#define JZ_GPIO_MEM_DATA22 JZ_GPIO_PORTA(22) -#define JZ_GPIO_MEM_DATA23 JZ_GPIO_PORTA(23) -#define JZ_GPIO_MEM_DATA24 JZ_GPIO_PORTA(24) -#define JZ_GPIO_MEM_DATA25 JZ_GPIO_PORTA(25) -#define JZ_GPIO_MEM_DATA26 JZ_GPIO_PORTA(26) -#define JZ_GPIO_MEM_DATA27 JZ_GPIO_PORTA(27) -#define JZ_GPIO_MEM_DATA28 JZ_GPIO_PORTA(28) -#define JZ_GPIO_MEM_DATA29 JZ_GPIO_PORTA(29) -#define JZ_GPIO_MEM_DATA30 JZ_GPIO_PORTA(30) -#define JZ_GPIO_MEM_DATA31 JZ_GPIO_PORTA(31) - -#define JZ_GPIO_FUNC_MEM_DATA0 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA1 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA2 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA3 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA4 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA5 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA6 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA7 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA8 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA9 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA10 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA11 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA12 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA13 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA14 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA15 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA16 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA17 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA18 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA19 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA20 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA21 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA22 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA23 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA24 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA25 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA26 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA27 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA28 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA29 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA30 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DATA31 JZ_GPIO_FUNC1 - -/* Port B function pins */ -#define JZ_GPIO_MEM_ADDR0 JZ_GPIO_PORTB(0) -#define JZ_GPIO_MEM_ADDR1 JZ_GPIO_PORTB(1) -#define JZ_GPIO_MEM_ADDR2 JZ_GPIO_PORTB(2) -#define JZ_GPIO_MEM_ADDR3 JZ_GPIO_PORTB(3) -#define JZ_GPIO_MEM_ADDR4 JZ_GPIO_PORTB(4) -#define JZ_GPIO_MEM_ADDR5 JZ_GPIO_PORTB(5) -#define JZ_GPIO_MEM_ADDR6 JZ_GPIO_PORTB(6) -#define JZ_GPIO_MEM_ADDR7 JZ_GPIO_PORTB(7) -#define JZ_GPIO_MEM_ADDR8 JZ_GPIO_PORTB(8) -#define JZ_GPIO_MEM_ADDR9 JZ_GPIO_PORTB(9) -#define JZ_GPIO_MEM_ADDR10 JZ_GPIO_PORTB(10) -#define JZ_GPIO_MEM_ADDR11 JZ_GPIO_PORTB(11) -#define JZ_GPIO_MEM_ADDR12 JZ_GPIO_PORTB(12) -#define JZ_GPIO_MEM_ADDR13 JZ_GPIO_PORTB(13) -#define JZ_GPIO_MEM_ADDR14 JZ_GPIO_PORTB(14) -#define JZ_GPIO_MEM_ADDR15 JZ_GPIO_PORTB(15) -#define JZ_GPIO_MEM_ADDR16 JZ_GPIO_PORTB(16) -#define JZ_GPIO_LCD_CLS JZ_GPIO_PORTB(17) -#define JZ_GPIO_LCD_SPL JZ_GPIO_PORTB(18) -#define JZ_GPIO_MEM_DCS JZ_GPIO_PORTB(19) -#define JZ_GPIO_MEM_RAS JZ_GPIO_PORTB(20) -#define JZ_GPIO_MEM_CAS JZ_GPIO_PORTB(21) -#define JZ_GPIO_MEM_SDWE JZ_GPIO_PORTB(22) -#define JZ_GPIO_MEM_CKE JZ_GPIO_PORTB(23) -#define JZ_GPIO_MEM_CKO JZ_GPIO_PORTB(24) -#define JZ_GPIO_MEM_CS0 JZ_GPIO_PORTB(25) -#define JZ_GPIO_MEM_CS1 JZ_GPIO_PORTB(26) -#define JZ_GPIO_MEM_CS2 JZ_GPIO_PORTB(27) -#define JZ_GPIO_MEM_CS3 JZ_GPIO_PORTB(28) -#define JZ_GPIO_MEM_RD JZ_GPIO_PORTB(29) -#define JZ_GPIO_MEM_WR JZ_GPIO_PORTB(30) -#define JZ_GPIO_MEM_WE0 JZ_GPIO_PORTB(31) - -#define JZ_GPIO_FUNC_MEM_ADDR0 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR1 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR2 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR3 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR4 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR5 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR6 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR7 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR8 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR9 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR10 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR11 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR12 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR13 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR14 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR15 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_ADDR16 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_CLS JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_SPL JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_DCS JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_RAS JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CAS JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_SDWE JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CKE JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CKO JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CS0 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CS1 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CS2 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_CS3 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_RD JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_WR JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_WE0 JZ_GPIO_FUNC1 - - -#define JZ_GPIO_MEM_ADDR21 JZ_GPIO_PORTB(17) -#define JZ_GPIO_MEM_ADDR22 JZ_GPIO_PORTB(18) - -#define JZ_GPIO_FUNC_MEM_ADDR21 JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_ADDR22 JZ_GPIO_FUNC2 - -/* Port C function pins */ -#define JZ_GPIO_LCD_DATA0 JZ_GPIO_PORTC(0) -#define JZ_GPIO_LCD_DATA1 JZ_GPIO_PORTC(1) -#define JZ_GPIO_LCD_DATA2 JZ_GPIO_PORTC(2) -#define JZ_GPIO_LCD_DATA3 JZ_GPIO_PORTC(3) -#define JZ_GPIO_LCD_DATA4 JZ_GPIO_PORTC(4) -#define JZ_GPIO_LCD_DATA5 JZ_GPIO_PORTC(5) -#define JZ_GPIO_LCD_DATA6 JZ_GPIO_PORTC(6) -#define JZ_GPIO_LCD_DATA7 JZ_GPIO_PORTC(7) -#define JZ_GPIO_LCD_DATA8 JZ_GPIO_PORTC(8) -#define JZ_GPIO_LCD_DATA9 JZ_GPIO_PORTC(9) -#define JZ_GPIO_LCD_DATA10 JZ_GPIO_PORTC(10) -#define JZ_GPIO_LCD_DATA11 JZ_GPIO_PORTC(11) -#define JZ_GPIO_LCD_DATA12 JZ_GPIO_PORTC(12) -#define JZ_GPIO_LCD_DATA13 JZ_GPIO_PORTC(13) -#define JZ_GPIO_LCD_DATA14 JZ_GPIO_PORTC(14) -#define JZ_GPIO_LCD_DATA15 JZ_GPIO_PORTC(15) -#define JZ_GPIO_LCD_DATA16 JZ_GPIO_PORTC(16) -#define JZ_GPIO_LCD_DATA17 JZ_GPIO_PORTC(17) -#define JZ_GPIO_LCD_PCLK JZ_GPIO_PORTC(18) -#define JZ_GPIO_LCD_HSYNC JZ_GPIO_PORTC(19) -#define JZ_GPIO_LCD_VSYNC JZ_GPIO_PORTC(20) -#define JZ_GPIO_LCD_DE JZ_GPIO_PORTC(21) -#define JZ_GPIO_LCD_PS JZ_GPIO_PORTC(22) -#define JZ_GPIO_LCD_REV JZ_GPIO_PORTC(23) -#define JZ_GPIO_MEM_WE1 JZ_GPIO_PORTC(24) -#define JZ_GPIO_MEM_WE2 JZ_GPIO_PORTC(25) -#define JZ_GPIO_MEM_WE3 JZ_GPIO_PORTC(26) -#define JZ_GPIO_MEM_WAIT JZ_GPIO_PORTC(27) -#define JZ_GPIO_MEM_FRE JZ_GPIO_PORTC(28) -#define JZ_GPIO_MEM_FWE JZ_GPIO_PORTC(29) - -#define JZ_GPIO_FUNC_LCD_DATA0 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA1 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA2 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA3 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA4 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA5 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA6 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA7 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA8 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA9 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA10 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA11 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA12 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA13 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA14 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA15 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA16 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DATA17 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_PCLK JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_VSYNC JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_HSYNC JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_DE JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_PS JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_LCD_REV JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_WE1 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_WE2 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_WE3 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_WAIT JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_FRE JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MEM_FWE JZ_GPIO_FUNC1 - - -#define JZ_GPIO_MEM_ADDR19 JZ_GPIO_PORTB(22) -#define JZ_GPIO_MEM_ADDR20 JZ_GPIO_PORTB(23) - -#define JZ_GPIO_FUNC_MEM_ADDR19 JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_ADDR20 JZ_GPIO_FUNC2 - -/* Port D function pins */ -#define JZ_GPIO_CIM_DATA0 JZ_GPIO_PORTD(0) -#define JZ_GPIO_CIM_DATA1 JZ_GPIO_PORTD(1) -#define JZ_GPIO_CIM_DATA2 JZ_GPIO_PORTD(2) -#define JZ_GPIO_CIM_DATA3 JZ_GPIO_PORTD(3) -#define JZ_GPIO_CIM_DATA4 JZ_GPIO_PORTD(4) -#define JZ_GPIO_CIM_DATA5 JZ_GPIO_PORTD(5) -#define JZ_GPIO_CIM_DATA6 JZ_GPIO_PORTD(6) -#define JZ_GPIO_CIM_DATA7 JZ_GPIO_PORTD(7) -#define JZ_GPIO_MSC_CMD JZ_GPIO_PORTD(8) -#define JZ_GPIO_MSC_CLK JZ_GPIO_PORTD(9) -#define JZ_GPIO_MSC_DATA0 JZ_GPIO_PORTD(10) -#define JZ_GPIO_MSC_DATA1 JZ_GPIO_PORTD(11) -#define JZ_GPIO_MSC_DATA2 JZ_GPIO_PORTD(12) -#define JZ_GPIO_MSC_DATA3 JZ_GPIO_PORTD(13) -#define JZ_GPIO_CIM_MCLK JZ_GPIO_PORTD(14) -#define JZ_GPIO_CIM_PCLK JZ_GPIO_PORTD(15) -#define JZ_GPIO_CIM_VSYNC JZ_GPIO_PORTD(16) -#define JZ_GPIO_CIM_HSYNC JZ_GPIO_PORTD(17) -#define JZ_GPIO_SPI_CLK JZ_GPIO_PORTD(18) -#define JZ_GPIO_SPI_CE0 JZ_GPIO_PORTD(19) -#define JZ_GPIO_SPI_DT JZ_GPIO_PORTD(20) -#define JZ_GPIO_SPI_DR JZ_GPIO_PORTD(21) -#define JZ_GPIO_SPI_CE1 JZ_GPIO_PORTD(22) -#define JZ_GPIO_PWM0 JZ_GPIO_PORTD(23) -#define JZ_GPIO_PWM1 JZ_GPIO_PORTD(24) -#define JZ_GPIO_PWM2 JZ_GPIO_PORTD(25) -#define JZ_GPIO_PWM3 JZ_GPIO_PORTD(26) -#define JZ_GPIO_PWM4 JZ_GPIO_PORTD(27) -#define JZ_GPIO_PWM5 JZ_GPIO_PORTD(28) -#define JZ_GPIO_PWM6 JZ_GPIO_PORTD(30) -#define JZ_GPIO_PWM7 JZ_GPIO_PORTD(31) - -#define JZ_GPIO_FUNC_CIM_DATA JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_CIM_DATA0 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA1 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA2 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA3 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA4 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA5 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA6 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_CIM_DATA7 JZ_GPIO_FUNC_CIM_DATA -#define JZ_GPIO_FUNC_MSC_CMD JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MSC_CLK JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MSC_DATA JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_MSC_DATA0 JZ_GPIO_FUNC_MSC_DATA -#define JZ_GPIO_FUNC_MSC_DATA1 JZ_GPIO_FUNC_MSC_DATA -#define JZ_GPIO_FUNC_MSC_DATA2 JZ_GPIO_FUNC_MSC_DATA -#define JZ_GPIO_FUNC_MSC_DATA3 JZ_GPIO_FUNC_MSC_DATA -#define JZ_GPIO_FUNC_CIM_MCLK JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_CIM_PCLK JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_CIM_VSYNC JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_CIM_HSYNC JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_SPI_CLK JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_SPI_CE0 JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_SPI_DT JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_SPI_DR JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_SPI_CE1 JZ_GPIO_FUNC1 - -#define JZ_GPIO_FUNC_PWM JZ_GPIO_FUNC1 -#define JZ_GPIO_FUNC_PWM0 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM1 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM2 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM3 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM4 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM5 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM6 JZ_GPIO_FUNC_PWM -#define JZ_GPIO_FUNC_PWM7 JZ_GPIO_FUNC_PWM - -#define JZ_GPIO_MEM_SCLK_RSTN JZ_GPIO_PORTD(18) -#define JZ_GPIO_MEM_BCLK JZ_GPIO_PORTD(19) -#define JZ_GPIO_MEM_SDATO JZ_GPIO_PORTD(20) -#define JZ_GPIO_MEM_SDATI JZ_GPIO_PORTD(21) -#define JZ_GPIO_MEM_SYNC JZ_GPIO_PORTD(22) -#define JZ_GPIO_I2C_SDA JZ_GPIO_PORTD(23) -#define JZ_GPIO_I2C_SCK JZ_GPIO_PORTD(24) -#define JZ_GPIO_UART0_TXD JZ_GPIO_PORTD(25) -#define JZ_GPIO_UART0_RXD JZ_GPIO_PORTD(26) -#define JZ_GPIO_MEM_ADDR17 JZ_GPIO_PORTD(27) -#define JZ_GPIO_MEM_ADDR18 JZ_GPIO_PORTD(28) -#define JZ_GPIO_UART0_CTS JZ_GPIO_PORTD(30) -#define JZ_GPIO_UART0_RTS JZ_GPIO_PORTD(31) - -#define JZ_GPIO_FUNC_MEM_SCLK_RSTN JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_BCLK JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_SDATO JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_SDATI JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_SYNC JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_I2C_SDA JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_I2C_SCK JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_UART0_TXD JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_UART0_RXD JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_ADDR17 JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_MEM_ADDR18 JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_UART0_CTS JZ_GPIO_FUNC2 -#define JZ_GPIO_FUNC_UART0_RTS JZ_GPIO_FUNC2 - -#define JZ_GPIO_UART1_RXD JZ_GPIO_PORTD(30) -#define JZ_GPIO_UART1_TXD JZ_GPIO_PORTD(31) - -#define JZ_GPIO_FUNC_UART1_RXD JZ_GPIO_FUNC3 -#define JZ_GPIO_FUNC_UART1_TXD JZ_GPIO_FUNC3 - #endif diff --git a/arch/mips/include/uapi/asm/ioctls.h b/arch/mips/include/uapi/asm/ioctls.h index 740219c2c894..68e19b689a00 100644 --- a/arch/mips/include/uapi/asm/ioctls.h +++ b/arch/mips/include/uapi/asm/ioctls.h @@ -91,6 +91,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ +#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ /* I hope the range from 0x5480 on is free ... */ #define TIOCSCTTY 0x5480 /* become controlling tty */ diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h index 3418ec9c1c50..882823bec153 100644 --- a/arch/mips/include/uapi/asm/socket.h +++ b/arch/mips/include/uapi/asm/socket.h @@ -116,4 +116,8 @@ #define SO_COOKIE 57 +#define SCM_TIMESTAMPING_PKTINFO 58 + +#define SO_PEERGROUPS 59 + #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile index 39d70bde8cfe..6b9c1f7c31c9 100644 --- a/arch/mips/jz4740/Makefile +++ b/arch/mips/jz4740/Makefile @@ -7,8 +7,6 @@ obj-y += prom.o time.o reset.o setup.o \ platform.o timer.o -obj-$(CONFIG_MACH_JZ4740) += gpio.o - CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt # board specific support diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c index a5bd94b95263..6d7f97552200 100644 --- a/arch/mips/jz4740/board-qi_lb60.c +++ b/arch/mips/jz4740/board-qi_lb60.c @@ -22,6 +22,8 @@ #include <linux/input/matrix_keypad.h> #include <linux/spi/spi.h> #include <linux/spi/spi_gpio.h> +#include <linux/pinctrl/machine.h> +#include <linux/pinctrl/pinconf-generic.h> #include <linux/power_supply.h> #include <linux/power/jz4740-battery.h> #include <linux/power/gpio-charger.h> @@ -159,7 +161,7 @@ static struct jz_nand_platform_data qi_lb60_nand_pdata = { static struct gpiod_lookup_table qi_lb60_nand_gpio_table = { .dev_id = "jz4740-nand.0", .table = { - GPIO_LOOKUP("Bank C", 30, "busy", 0), + GPIO_LOOKUP("GPIOC", 30, "busy", 0), { }, }, }; @@ -421,8 +423,8 @@ static struct platform_device qi_lb60_audio_device = { static struct gpiod_lookup_table qi_lb60_audio_gpio_table = { .dev_id = "qi-lb60-audio", .table = { - GPIO_LOOKUP("Bank B", 29, "snd", 0), - GPIO_LOOKUP("Bank D", 4, "amp", 0), + GPIO_LOOKUP("GPIOB", 29, "snd", 0), + GPIO_LOOKUP("GPIOD", 4, "amp", 0), { }, }, }; @@ -447,13 +449,36 @@ static struct platform_device *jz_platform_devices[] __initdata = { &qi_lb60_audio_device, }; -static void __init board_gpio_setup(void) -{ - /* We only need to enable/disable pullup here for pins used in generic - * drivers. Everything else is done by the drivers themselves. */ - jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N); - jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD); -} +static unsigned long pin_cfg_bias_disable[] = { + PIN_CONFIG_BIAS_DISABLE, +}; + +static struct pinctrl_map pin_map[] __initdata = { + /* NAND pin configuration */ + PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand", + "10010000.jz4740-pinctrl", "nand", "nand-cs1"), + + /* fbdev pin configuration */ + PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT, + "10010000.jz4740-pinctrl", "lcd", "lcd-8bit"), + PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP, + "10010000.jz4740-pinctrl", "lcd", "lcd-no-pins"), + + /* MMC pin configuration */ + PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0", + "10010000.jz4740-pinctrl", "mmc", "mmc-1bit"), + PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0", + "10010000.jz4740-pinctrl", "mmc", "mmc-4bit"), + PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0", + "10010000.jz4740-pinctrl", "PD0", pin_cfg_bias_disable), + PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0", + "10010000.jz4740-pinctrl", "PD2", pin_cfg_bias_disable), + + /* PWM pin configuration */ + PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm", + "10010000.jz4740-pinctrl", "pwm4", "pwm4"), +}; + static int __init qi_lb60_init_platform_devices(void) { @@ -469,6 +494,7 @@ static int __init qi_lb60_init_platform_devices(void) ARRAY_SIZE(qi_lb60_spi_board_info)); pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup)); + pinctrl_register_mappings(pin_map, ARRAY_SIZE(pin_map)); return platform_add_devices(jz_platform_devices, ARRAY_SIZE(jz_platform_devices)); @@ -479,8 +505,6 @@ static int __init qi_lb60_board_setup(void) { printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n"); - board_gpio_setup(); - if (qi_lb60_init_platform_devices()) panic("Failed to initialize platform devices"); diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c deleted file mode 100644 index cac1ccde2214..000000000000 --- a/arch/mips/jz4740/gpio.c +++ /dev/null @@ -1,519 +0,0 @@ -/* - * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> - * JZ4740 platform GPIO support - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/kernel.h> -#include <linux/export.h> -#include <linux/init.h> - -#include <linux/io.h> -#include <linux/gpio/driver.h> -/* FIXME: needed for gpio_request(), try to remove consumer API from driver */ -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/irqchip/ingenic.h> -#include <linux/bitops.h> - -#include <linux/debugfs.h> -#include <linux/seq_file.h> - -#include <asm/mach-jz4740/base.h> -#include <asm/mach-jz4740/gpio.h> - -#define JZ4740_GPIO_BASE_A (32*0) -#define JZ4740_GPIO_BASE_B (32*1) -#define JZ4740_GPIO_BASE_C (32*2) -#define JZ4740_GPIO_BASE_D (32*3) - -#define JZ4740_GPIO_NUM_A 32 -#define JZ4740_GPIO_NUM_B 32 -#define JZ4740_GPIO_NUM_C 31 -#define JZ4740_GPIO_NUM_D 32 - -#define JZ4740_IRQ_GPIO_BASE_A (JZ4740_IRQ_GPIO(0) + JZ4740_GPIO_BASE_A) -#define JZ4740_IRQ_GPIO_BASE_B (JZ4740_IRQ_GPIO(0) + JZ4740_GPIO_BASE_B) -#define JZ4740_IRQ_GPIO_BASE_C (JZ4740_IRQ_GPIO(0) + JZ4740_GPIO_BASE_C) -#define JZ4740_IRQ_GPIO_BASE_D (JZ4740_IRQ_GPIO(0) + JZ4740_GPIO_BASE_D) - -#define JZ_REG_GPIO_PIN 0x00 -#define JZ_REG_GPIO_DATA 0x10 -#define JZ_REG_GPIO_DATA_SET 0x14 -#define JZ_REG_GPIO_DATA_CLEAR 0x18 -#define JZ_REG_GPIO_MASK 0x20 -#define JZ_REG_GPIO_MASK_SET 0x24 -#define JZ_REG_GPIO_MASK_CLEAR 0x28 -#define JZ_REG_GPIO_PULL 0x30 -#define JZ_REG_GPIO_PULL_SET 0x34 -#define JZ_REG_GPIO_PULL_CLEAR 0x38 -#define JZ_REG_GPIO_FUNC 0x40 -#define JZ_REG_GPIO_FUNC_SET 0x44 -#define JZ_REG_GPIO_FUNC_CLEAR 0x48 -#define JZ_REG_GPIO_SELECT 0x50 -#define JZ_REG_GPIO_SELECT_SET 0x54 -#define JZ_REG_GPIO_SELECT_CLEAR 0x58 -#define JZ_REG_GPIO_DIRECTION 0x60 -#define JZ_REG_GPIO_DIRECTION_SET 0x64 -#define JZ_REG_GPIO_DIRECTION_CLEAR 0x68 -#define JZ_REG_GPIO_TRIGGER 0x70 -#define JZ_REG_GPIO_TRIGGER_SET 0x74 -#define JZ_REG_GPIO_TRIGGER_CLEAR 0x78 -#define JZ_REG_GPIO_FLAG 0x80 -#define JZ_REG_GPIO_FLAG_CLEAR 0x14 - -#define GPIO_TO_BIT(gpio) BIT(gpio & 0x1f) -#define GPIO_TO_REG(gpio, reg) (gpio_to_jz_gpio_chip(gpio)->base + (reg)) -#define CHIP_TO_REG(chip, reg) (gpio_chip_to_jz_gpio_chip(chip)->base + (reg)) - -struct jz_gpio_chip { - unsigned int irq; - unsigned int irq_base; - uint32_t edge_trigger_both; - - void __iomem *base; - - struct gpio_chip gpio_chip; -}; - -static struct jz_gpio_chip jz4740_gpio_chips[]; - -static inline struct jz_gpio_chip *gpio_to_jz_gpio_chip(unsigned int gpio) -{ - return &jz4740_gpio_chips[gpio >> 5]; -} - -static inline struct jz_gpio_chip *gpio_chip_to_jz_gpio_chip(struct gpio_chip *gc) -{ - return gpiochip_get_data(gc); -} - -static inline struct jz_gpio_chip *irq_to_jz_gpio_chip(struct irq_data *data) -{ - struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data); - return gc->private; -} - -static inline void jz_gpio_write_bit(unsigned int gpio, unsigned int reg) -{ - writel(GPIO_TO_BIT(gpio), GPIO_TO_REG(gpio, reg)); -} - -int jz_gpio_set_function(int gpio, enum jz_gpio_function function) -{ - if (function == JZ_GPIO_FUNC_NONE) { - jz_gpio_write_bit(gpio, JZ_REG_GPIO_FUNC_CLEAR); - jz_gpio_write_bit(gpio, JZ_REG_GPIO_SELECT_CLEAR); - jz_gpio_write_bit(gpio, JZ_REG_GPIO_TRIGGER_CLEAR); - } else { - jz_gpio_write_bit(gpio, JZ_REG_GPIO_FUNC_SET); - jz_gpio_write_bit(gpio, JZ_REG_GPIO_TRIGGER_CLEAR); - switch (function) { - case JZ_GPIO_FUNC1: - jz_gpio_write_bit(gpio, JZ_REG_GPIO_SELECT_CLEAR); - break; - case JZ_GPIO_FUNC3: - jz_gpio_write_bit(gpio, JZ_REG_GPIO_TRIGGER_SET); - case JZ_GPIO_FUNC2: /* Falltrough */ - jz_gpio_write_bit(gpio, JZ_REG_GPIO_SELECT_SET); - break; - default: - BUG(); - break; - } - } - - return 0; -} -EXPORT_SYMBOL_GPL(jz_gpio_set_function); - -int jz_gpio_bulk_request(const struct jz_gpio_bulk_request *request, size_t num) -{ - size_t i; - int ret; - - for (i = 0; i < num; ++i, ++request) { - ret = gpio_request(request->gpio, request->name); - if (ret) - goto err; - jz_gpio_set_function(request->gpio, request->function); - } - - return 0; - -err: - for (--request; i > 0; --i, --request) { - gpio_free(request->gpio); - jz_gpio_set_function(request->gpio, JZ_GPIO_FUNC_NONE); - } - - return ret; -} -EXPORT_SYMBOL_GPL(jz_gpio_bulk_request); - -void jz_gpio_bulk_free(const struct jz_gpio_bulk_request *request, size_t num) -{ - size_t i; - - for (i = 0; i < num; ++i, ++request) { - gpio_free(request->gpio); - jz_gpio_set_function(request->gpio, JZ_GPIO_FUNC_NONE); - } - -} -EXPORT_SYMBOL_GPL(jz_gpio_bulk_free); - -void jz_gpio_bulk_suspend(const struct jz_gpio_bulk_request *request, size_t num) -{ - size_t i; - - for (i = 0; i < num; ++i, ++request) { - jz_gpio_set_function(request->gpio, JZ_GPIO_FUNC_NONE); - jz_gpio_write_bit(request->gpio, JZ_REG_GPIO_DIRECTION_CLEAR); - jz_gpio_write_bit(request->gpio, JZ_REG_GPIO_PULL_SET); - } -} -EXPORT_SYMBOL_GPL(jz_gpio_bulk_suspend); - -void jz_gpio_bulk_resume(const struct jz_gpio_bulk_request *request, size_t num) -{ - size_t i; - - for (i = 0; i < num; ++i, ++request) - jz_gpio_set_function(request->gpio, request->function); -} -EXPORT_SYMBOL_GPL(jz_gpio_bulk_resume); - -void jz_gpio_enable_pullup(unsigned gpio) -{ - jz_gpio_write_bit(gpio, JZ_REG_GPIO_PULL_CLEAR); -} -EXPORT_SYMBOL_GPL(jz_gpio_enable_pullup); - -void jz_gpio_disable_pullup(unsigned gpio) -{ - jz_gpio_write_bit(gpio, JZ_REG_GPIO_PULL_SET); -} -EXPORT_SYMBOL_GPL(jz_gpio_disable_pullup); - -static int jz_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -{ - return !!(readl(CHIP_TO_REG(chip, JZ_REG_GPIO_PIN)) & BIT(gpio)); -} - -static void jz_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) -{ - uint32_t __iomem *reg = CHIP_TO_REG(chip, JZ_REG_GPIO_DATA_SET); - reg += !value; - writel(BIT(gpio), reg); -} - -static int jz_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, - int value) -{ - writel(BIT(gpio), CHIP_TO_REG(chip, JZ_REG_GPIO_DIRECTION_SET)); - jz_gpio_set_value(chip, gpio, value); - - return 0; -} - -static int jz_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) -{ - writel(BIT(gpio), CHIP_TO_REG(chip, JZ_REG_GPIO_DIRECTION_CLEAR)); - - return 0; -} - -static int jz_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) -{ - struct jz_gpio_chip *jz_gpio = gpiochip_get_data(chip); - - return jz_gpio->irq_base + gpio; -} - -int jz_gpio_port_direction_input(int port, uint32_t mask) -{ - writel(mask, GPIO_TO_REG(port, JZ_REG_GPIO_DIRECTION_CLEAR)); - - return 0; -} -EXPORT_SYMBOL(jz_gpio_port_direction_input); - -int jz_gpio_port_direction_output(int port, uint32_t mask) -{ - writel(mask, GPIO_TO_REG(port, JZ_REG_GPIO_DIRECTION_SET)); - - return 0; -} -EXPORT_SYMBOL(jz_gpio_port_direction_output); - -void jz_gpio_port_set_value(int port, uint32_t value, uint32_t mask) -{ - writel(~value & mask, GPIO_TO_REG(port, JZ_REG_GPIO_DATA_CLEAR)); - writel(value & mask, GPIO_TO_REG(port, JZ_REG_GPIO_DATA_SET)); -} -EXPORT_SYMBOL(jz_gpio_port_set_value); - -uint32_t jz_gpio_port_get_value(int port, uint32_t mask) -{ - uint32_t value = readl(GPIO_TO_REG(port, JZ_REG_GPIO_PIN)); - - return value & mask; -} -EXPORT_SYMBOL(jz_gpio_port_get_value); - -#define IRQ_TO_BIT(irq) BIT((irq - JZ4740_IRQ_GPIO(0)) & 0x1f) - -static void jz_gpio_check_trigger_both(struct jz_gpio_chip *chip, unsigned int irq) -{ - uint32_t value; - void __iomem *reg; - uint32_t mask = IRQ_TO_BIT(irq); - - if (!(chip->edge_trigger_both & mask)) - return; - - reg = chip->base; - - value = readl(chip->base + JZ_REG_GPIO_PIN); - if (value & mask) - reg += JZ_REG_GPIO_DIRECTION_CLEAR; - else - reg += JZ_REG_GPIO_DIRECTION_SET; - - writel(mask, reg); -} - -static void jz_gpio_irq_demux_handler(struct irq_desc *desc) -{ - uint32_t flag; - unsigned int gpio_irq; - struct jz_gpio_chip *chip = irq_desc_get_handler_data(desc); - - flag = readl(chip->base + JZ_REG_GPIO_FLAG); - if (!flag) - return; - - gpio_irq = chip->irq_base + __fls(flag); - - jz_gpio_check_trigger_both(chip, gpio_irq); - - generic_handle_irq(gpio_irq); -}; - -static inline void jz_gpio_set_irq_bit(struct irq_data *data, unsigned int reg) -{ - struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data); - writel(IRQ_TO_BIT(data->irq), chip->base + reg); -} - -static void jz_gpio_irq_unmask(struct irq_data *data) -{ - struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data); - - jz_gpio_check_trigger_both(chip, data->irq); - irq_gc_unmask_enable_reg(data); -}; - -/* TODO: Check if function is gpio */ -static unsigned int jz_gpio_irq_startup(struct irq_data *data) -{ - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_SELECT_SET); - jz_gpio_irq_unmask(data); - return 0; -} - -static void jz_gpio_irq_shutdown(struct irq_data *data) -{ - irq_gc_mask_disable_reg(data); - - /* Set direction to input */ - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR); - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_SELECT_CLEAR); -} - -static int jz_gpio_irq_set_type(struct irq_data *data, unsigned int flow_type) -{ - struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data); - unsigned int irq = data->irq; - - if (flow_type == IRQ_TYPE_EDGE_BOTH) { - uint32_t value = readl(chip->base + JZ_REG_GPIO_PIN); - if (value & IRQ_TO_BIT(irq)) - flow_type = IRQ_TYPE_EDGE_FALLING; - else - flow_type = IRQ_TYPE_EDGE_RISING; - chip->edge_trigger_both |= IRQ_TO_BIT(irq); - } else { - chip->edge_trigger_both &= ~IRQ_TO_BIT(irq); - } - - switch (flow_type) { - case IRQ_TYPE_EDGE_RISING: - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_SET); - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_SET); - break; - case IRQ_TYPE_EDGE_FALLING: - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR); - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_SET); - break; - case IRQ_TYPE_LEVEL_HIGH: - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_SET); - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_CLEAR); - break; - case IRQ_TYPE_LEVEL_LOW: - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR); - jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_CLEAR); - break; - default: - return -EINVAL; - } - - return 0; -} - -static int jz_gpio_irq_set_wake(struct irq_data *data, unsigned int on) -{ - struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data); - - irq_gc_set_wake(data, on); - irq_set_irq_wake(chip->irq, on); - - return 0; -} - -#define JZ4740_GPIO_CHIP(_bank) { \ - .irq_base = JZ4740_IRQ_GPIO_BASE_ ## _bank, \ - .gpio_chip = { \ - .label = "Bank " # _bank, \ - .owner = THIS_MODULE, \ - .set = jz_gpio_set_value, \ - .get = jz_gpio_get_value, \ - .direction_output = jz_gpio_direction_output, \ - .direction_input = jz_gpio_direction_input, \ - .to_irq = jz_gpio_to_irq, \ - .base = JZ4740_GPIO_BASE_ ## _bank, \ - .ngpio = JZ4740_GPIO_NUM_ ## _bank, \ - }, \ -} - -static struct jz_gpio_chip jz4740_gpio_chips[] = { - JZ4740_GPIO_CHIP(A), - JZ4740_GPIO_CHIP(B), - JZ4740_GPIO_CHIP(C), - JZ4740_GPIO_CHIP(D), -}; - -static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id) -{ - struct irq_chip_generic *gc; - struct irq_chip_type *ct; - - chip->base = ioremap(JZ4740_GPIO_BASE_ADDR + (id * 0x100), 0x100); - - chip->irq = JZ4740_IRQ_INTC_GPIO(id); - irq_set_chained_handler_and_data(chip->irq, - jz_gpio_irq_demux_handler, chip); - - gc = irq_alloc_generic_chip(chip->gpio_chip.label, 1, chip->irq_base, - chip->base, handle_level_irq); - - gc->wake_enabled = IRQ_MSK(chip->gpio_chip.ngpio); - gc->private = chip; - - ct = gc->chip_types; - ct->regs.enable = JZ_REG_GPIO_MASK_CLEAR; - ct->regs.disable = JZ_REG_GPIO_MASK_SET; - ct->regs.ack = JZ_REG_GPIO_FLAG_CLEAR; - - ct->chip.name = "GPIO"; - ct->chip.irq_mask = irq_gc_mask_disable_reg; - ct->chip.irq_unmask = jz_gpio_irq_unmask; - ct->chip.irq_ack = irq_gc_ack_set_bit; - ct->chip.irq_suspend = ingenic_intc_irq_suspend; - ct->chip.irq_resume = ingenic_intc_irq_resume; - ct->chip.irq_startup = jz_gpio_irq_startup; - ct->chip.irq_shutdown = jz_gpio_irq_shutdown; - ct->chip.irq_set_type = jz_gpio_irq_set_type; - ct->chip.irq_set_wake = jz_gpio_irq_set_wake; - ct->chip.flags = IRQCHIP_SET_TYPE_MASKED; - - irq_setup_generic_chip(gc, IRQ_MSK(chip->gpio_chip.ngpio), - IRQ_GC_INIT_NESTED_LOCK, 0, IRQ_NOPROBE | IRQ_LEVEL); - - gpiochip_add_data(&chip->gpio_chip, chip); -} - -static int __init jz4740_gpio_init(void) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i) - jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i); - - printk(KERN_INFO "JZ4740 GPIO initialized\n"); - - return 0; -} -arch_initcall(jz4740_gpio_init); - -#ifdef CONFIG_DEBUG_FS - -static inline void gpio_seq_reg(struct seq_file *s, struct jz_gpio_chip *chip, - const char *name, unsigned int reg) -{ - seq_printf(s, "\t%s: %08x\n", name, readl(chip->base + reg)); -} - -static int gpio_regs_show(struct seq_file *s, void *unused) -{ - struct jz_gpio_chip *chip = jz4740_gpio_chips; - int i; - - for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i, ++chip) { - seq_printf(s, "==GPIO %d==\n", i); - gpio_seq_reg(s, chip, "Pin", JZ_REG_GPIO_PIN); - gpio_seq_reg(s, chip, "Data", JZ_REG_GPIO_DATA); - gpio_seq_reg(s, chip, "Mask", JZ_REG_GPIO_MASK); - gpio_seq_reg(s, chip, "Pull", JZ_REG_GPIO_PULL); - gpio_seq_reg(s, chip, "Func", JZ_REG_GPIO_FUNC); - gpio_seq_reg(s, chip, "Select", JZ_REG_GPIO_SELECT); - gpio_seq_reg(s, chip, "Direction", JZ_REG_GPIO_DIRECTION); - gpio_seq_reg(s, chip, "Trigger", JZ_REG_GPIO_TRIGGER); - gpio_seq_reg(s, chip, "Flag", JZ_REG_GPIO_FLAG); - } - - return 0; -} - -static int gpio_regs_open(struct inode *inode, struct file *file) -{ - return single_open(file, gpio_regs_show, NULL); -} - -static const struct file_operations gpio_regs_operations = { - .open = gpio_regs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int __init gpio_debugfs_init(void) -{ - (void) debugfs_create_file("jz_regs_gpio", S_IFREG | S_IRUGO, - NULL, NULL, &gpio_regs_operations); - return 0; -} -subsys_initcall(gpio_debugfs_init); - -#endif diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index 8d83fc2a96b7..38a302919e6b 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -11,6 +11,7 @@ #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/compiler.h> +#include <asm/irqflags.h> #include <asm/regdef.h> #include <asm/mipsregs.h> #include <asm/stackframe.h> @@ -119,6 +120,7 @@ work_pending: andi t0, a2, _TIF_NEED_RESCHED # a2 is preloaded with TI_FLAGS beqz t0, work_notifysig work_resched: + TRACE_IRQS_OFF jal schedule local_irq_disable # make sure need_resched and @@ -155,6 +157,7 @@ syscall_exit_work: beqz t0, work_pending # trace bit set? local_irq_enable # could let syscall_trace_leave() # call schedule() instead + TRACE_IRQS_ON move a0, sp jal syscall_trace_leave b resume_userspace diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index cf052204eb0a..d1bb506adc10 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -106,8 +106,8 @@ NESTED(kernel_entry, 16, sp) # kernel entry point beq t0, t1, dtb_found #endif li t1, -2 - beq a0, t1, dtb_found move t2, a1 + beq a0, t1, dtb_found li t2, 0 dtb_found: diff --git a/arch/mips/kernel/jump_label.c b/arch/mips/kernel/jump_label.c index 3e586daa3a32..32e3168316cd 100644 --- a/arch/mips/kernel/jump_label.c +++ b/arch/mips/kernel/jump_label.c @@ -58,7 +58,6 @@ void arch_jump_label_transform(struct jump_entry *e, insn.word = 0; /* nop */ } - get_online_cpus(); mutex_lock(&text_mutex); if (IS_ENABLED(CONFIG_CPU_MICROMIPS)) { insn_p->halfword[0] = insn.word >> 16; @@ -70,7 +69,6 @@ void arch_jump_label_transform(struct jump_entry *e, (unsigned long)insn_p + sizeof(*insn_p)); mutex_unlock(&text_mutex); - put_online_cpus(); } #endif /* HAVE_JUMP_LABEL */ diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c index 5f928c34c148..d99416094ba9 100644 --- a/arch/mips/kernel/pm-cps.c +++ b/arch/mips/kernel/pm-cps.c @@ -56,7 +56,6 @@ DECLARE_BITMAP(state_support, CPS_PM_STATE_COUNT); * state. Actually per-core rather than per-CPU. */ static DEFINE_PER_CPU_ALIGNED(u32*, ready_count); -static DEFINE_PER_CPU_ALIGNED(void*, ready_count_alloc); /* Indicates online CPUs coupled with the current CPU */ static DEFINE_PER_CPU_ALIGNED(cpumask_t, online_coupled); @@ -642,7 +641,6 @@ static int cps_pm_online_cpu(unsigned int cpu) { enum cps_pm_state state; unsigned core = cpu_data[cpu].core; - unsigned dlinesz = cpu_data[cpu].dcache.linesz; void *entry_fn, *core_rc; for (state = CPS_PM_NC_WAIT; state < CPS_PM_STATE_COUNT; state++) { @@ -662,16 +660,11 @@ static int cps_pm_online_cpu(unsigned int cpu) } if (!per_cpu(ready_count, core)) { - core_rc = kmalloc(dlinesz * 2, GFP_KERNEL); + 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_alloc, core) = core_rc; - - /* Ensure ready_count is aligned to a cacheline boundary */ - core_rc += dlinesz - 1; - core_rc = (void *)((unsigned long)core_rc & ~(dlinesz - 1)); per_cpu(ready_count, core) = core_rc; } diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 9681b5877140..38dfa27730ff 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -201,6 +201,8 @@ void show_stack(struct task_struct *task, unsigned long *sp) { struct pt_regs regs; mm_segment_t old_fs = get_fs(); + + regs.cp0_status = KSU_KERNEL; if (sp) { regs.regs[29] = (unsigned long)sp; regs.regs[31] = 0; diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 7c6336dd2638..7cd92166a0b9 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -166,7 +166,11 @@ static int _kvm_mips_host_tlb_inv(unsigned long entryhi) int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va, bool user, bool kernel) { - int idx_user, idx_kernel; + /* + * Initialize idx_user and idx_kernel to workaround bogus + * maybe-initialized warning when using GCC 6. + */ + int idx_user = 0, idx_kernel = 0; unsigned long flags, old_entryhi; local_irq_save(flags); diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c index a563759fd142..6a0d7040d882 100644 --- a/arch/mips/kvm/trap_emul.c +++ b/arch/mips/kvm/trap_emul.c @@ -1094,7 +1094,7 @@ static void kvm_trap_emul_check_requests(struct kvm_vcpu *vcpu, int cpu, struct mm_struct *mm; int i; - if (likely(!vcpu->requests)) + if (likely(!kvm_request_pending(vcpu))) return; if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) { diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c index 71d8856ade64..74805035edc8 100644 --- a/arch/mips/kvm/vz.c +++ b/arch/mips/kvm/vz.c @@ -2337,7 +2337,7 @@ static int kvm_vz_check_requests(struct kvm_vcpu *vcpu, int cpu) int ret = 0; int i; - if (!vcpu->requests) + if (!kvm_request_pending(vcpu)) return 0; if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) { diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c index 4a2d03c72959..caa62f20a888 100644 --- a/arch/mips/math-emu/dp_maddf.c +++ b/arch/mips/math-emu/dp_maddf.c @@ -54,7 +54,7 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, return ieee754dp_nanxcpt(z); case IEEE754_CLASS_DNORM: DPDNORMZ; - /* QNAN is handled separately below */ + /* QNAN and ZERO cases are handled separately below */ } switch (CLPAIR(xc, yc)) { @@ -210,6 +210,9 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, } assert(rm & (DP_HIDDEN_BIT << 3)); + if (zc == IEEE754_CLASS_ZERO) + return ieee754dp_format(rs, re, rm); + /* And now the addition */ assert(zm & DP_HIDDEN_BIT); diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c index a8cd8b4f235e..c91d5e5d9b5f 100644 --- a/arch/mips/math-emu/sp_maddf.c +++ b/arch/mips/math-emu/sp_maddf.c @@ -54,7 +54,7 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, return ieee754sp_nanxcpt(z); case IEEE754_CLASS_DNORM: SPDNORMZ; - /* QNAN is handled separately below */ + /* QNAN and ZERO cases are handled separately below */ } switch (CLPAIR(xc, yc)) { @@ -203,6 +203,9 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, } assert(rm & (SP_HIDDEN_BIT << 3)); + if (zc == IEEE754_CLASS_ZERO) + return ieee754sp_format(rs, re, rm); + /* And now the addition */ assert(zm & SP_HIDDEN_BIT); diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index fe8df14b6169..e08598c70b3e 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -68,12 +68,25 @@ static inline struct page *dma_addr_to_page(struct device *dev, * systems and only the R10000 and R12000 are used in such systems, the * SGI IP28 Indigo² rsp. SGI IP32 aka O2. */ -static inline int cpu_needs_post_dma_flush(struct device *dev) +static inline bool cpu_needs_post_dma_flush(struct device *dev) { - return !plat_device_is_coherent(dev) && - (boot_cpu_type() == CPU_R10000 || - boot_cpu_type() == CPU_R12000 || - boot_cpu_type() == CPU_BMIPS5000); + if (plat_device_is_coherent(dev)) + return false; + + switch (boot_cpu_type()) { + case CPU_R10000: + case CPU_R12000: + case CPU_BMIPS5000: + return true; + + default: + /* + * Presence of MAARs suggests that the CPU supports + * speculatively prefetching data, and therefore requires + * the post-DMA flush/invalidate. + */ + return cpu_has_maar; + } } static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 289edcfadd7c..cea4ec909806 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -265,7 +265,7 @@ void __init plat_time_init(void) (freq%1000000)*100/1000000); #ifdef CONFIG_CLKSRC_MIPS_GIC update_gic_frequency_dt(); - clocksource_probe(); + timer_probe(); #endif } #endif diff --git a/arch/mips/pic32/pic32mzda/time.c b/arch/mips/pic32/pic32mzda/time.c index 62a0a78b6c64..1894e50939b5 100644 --- a/arch/mips/pic32/pic32mzda/time.c +++ b/arch/mips/pic32/pic32mzda/time.c @@ -64,5 +64,5 @@ void __init plat_time_init(void) pr_info("CPU Clock: %ldMHz\n", rate / 1000000); mips_hpt_frequency = rate / 2; - clocksource_probe(); + timer_probe(); } diff --git a/arch/mips/pistachio/time.c b/arch/mips/pistachio/time.c index 1022201b2beb..17a0f1dec05b 100644 --- a/arch/mips/pistachio/time.c +++ b/arch/mips/pistachio/time.c @@ -39,7 +39,7 @@ void __init plat_time_init(void) struct clk *clk; of_clk_init(NULL); - clocksource_probe(); + timer_probe(); np = of_get_cpu_node(0, NULL); if (!np) { diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig index 9825dee10bc1..710b04cf4851 100644 --- a/arch/mips/ralink/Kconfig +++ b/arch/mips/ralink/Kconfig @@ -4,7 +4,7 @@ config CLKEVT_RT3352 bool depends on SOC_RT305X || SOC_MT7620 default y - select CLKSRC_OF + select TIMER_OF select CLKSRC_MMIO config RALINK_ILL_ACC diff --git a/arch/mips/ralink/cevt-rt3352.c b/arch/mips/ralink/cevt-rt3352.c index b8a1376165b0..92f284d2b802 100644 --- a/arch/mips/ralink/cevt-rt3352.c +++ b/arch/mips/ralink/cevt-rt3352.c @@ -152,4 +152,4 @@ static int __init ralink_systick_init(struct device_node *np) return 0; } -CLOCKSOURCE_OF_DECLARE(systick, "ralink,cevt-systick", ralink_systick_init); +TIMER_OF_DECLARE(systick, "ralink,cevt-systick", ralink_systick_init); diff --git a/arch/mips/ralink/clk.c b/arch/mips/ralink/clk.c index df795885eace..eb1c61917eb7 100644 --- a/arch/mips/ralink/clk.c +++ b/arch/mips/ralink/clk.c @@ -82,5 +82,5 @@ void __init plat_time_init(void) pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000); mips_hpt_frequency = clk_get_rate(clk) / 2; clk_put(clk); - clocksource_probe(); + timer_probe(); } diff --git a/arch/mips/ralink/timer-gic.c b/arch/mips/ralink/timer-gic.c index 069771dbec42..b5f07d21fcf2 100644 --- a/arch/mips/ralink/timer-gic.c +++ b/arch/mips/ralink/timer-gic.c @@ -20,5 +20,5 @@ void __init plat_time_init(void) ralink_of_remap(); of_clk_init(NULL); - clocksource_probe(); + timer_probe(); } diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c index cdf187600010..b225033aade6 100644 --- a/arch/mips/sgi-ip22/ip22-gio.c +++ b/arch/mips/sgi-ip22/ip22-gio.c @@ -169,6 +169,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a, return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; } +static DEVICE_ATTR_RO(modalias); static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -178,6 +179,7 @@ static ssize_t name_show(struct device *dev, giodev = to_gio_device(dev); return sprintf(buf, "%s", giodev->name); } +static DEVICE_ATTR_RO(name); static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -187,13 +189,15 @@ static ssize_t id_show(struct device *dev, giodev = to_gio_device(dev); return sprintf(buf, "%x", giodev->id.id); } +static DEVICE_ATTR_RO(id); -static struct device_attribute gio_dev_attrs[] = { - __ATTR_RO(modalias), - __ATTR_RO(name), - __ATTR_RO(id), - __ATTR_NULL, +static struct attribute *gio_dev_attrs[] = { + &dev_attr_modalias.attr, + &dev_attr_name.attr, + &dev_attr_id.attr, + NULL, }; +ATTRIBUTE_GROUPS(gio_dev); static int gio_device_uevent(struct device *dev, struct kobj_uevent_env *env) { @@ -374,7 +378,7 @@ static void ip22_check_gio(int slotno, unsigned long addr, int irq) static struct bus_type gio_bus_type = { .name = "gio", - .dev_attrs = gio_dev_attrs, + .dev_groups = gio_dev_groups, .match = gio_bus_match, .probe = gio_device_probe, .remove = gio_device_remove, diff --git a/arch/mips/xilfpga/time.c b/arch/mips/xilfpga/time.c index cbb3fca7b6fa..36f3f1870ee2 100644 --- a/arch/mips/xilfpga/time.c +++ b/arch/mips/xilfpga/time.c @@ -22,7 +22,7 @@ void __init plat_time_init(void) struct clk *clk; of_clk_init(NULL); - clocksource_probe(); + timer_probe(); np = of_get_cpu_node(0, NULL); if (!np) { |