diff options
Diffstat (limited to 'arch/arm')
81 files changed, 1624 insertions, 1042 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7980873525b2..e91c7cdc6fe5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1151,6 +1151,7 @@ config PLAT_ORION bool select CLKSRC_MMIO select GENERIC_IRQ_CHIP + select IRQ_DOMAIN select COMMON_CLK config PLAT_PXA diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index e1fa7e6edfe8..71d6b5d0daf1 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -12,7 +12,7 @@ * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. * - * Contains definitions specific to the Armada 370 SoC that are not + * Contains definitions specific to the Armada XP SoC that are not * common to all Armada SoCs. */ diff --git a/arch/arm/boot/dts/kirkwood-dns320.dts b/arch/arm/boot/dts/kirkwood-dns320.dts index 9a33077130e8..5bb0bf39d3b8 100644 --- a/arch/arm/boot/dts/kirkwood-dns320.dts +++ b/arch/arm/boot/dts/kirkwood-dns320.dts @@ -1,6 +1,6 @@ /dts-v1/; -/include/ "kirkwood.dtsi" +/include/ "kirkwood-dnskw.dtsi" / { model = "D-Link DNS-320 NAS (Rev A1)"; @@ -15,6 +15,31 @@ bootargs = "console=ttyS0,115200n8 earlyprintk"; }; + gpio-leds { + compatible = "gpio-leds"; + blue-power { + label = "dns320:blue:power"; + gpios = <&gpio0 26 1>; /* GPIO 26 Active Low */ + linux,default-trigger = "default-on"; + }; + blue-usb { + label = "dns320:blue:usb"; + gpios = <&gpio1 11 1>; /* GPIO 43 Active Low */ + }; + orange-l_hdd { + label = "dns320:orange:l_hdd"; + gpios = <&gpio0 28 1>; /* GPIO 28 Active Low */ + }; + orange-r_hdd { + label = "dns320:orange:r_hdd"; + gpios = <&gpio0 27 1>; /* GPIO 27 Active Low */ + }; + orange-usb { + label = "dns320:orange:usb"; + gpios = <&gpio1 3 1>; /* GPIO 35 Active Low */ + }; + }; + ocp@f1000000 { serial@12000 { clock-frequency = <166666667>; @@ -25,40 +50,5 @@ clock-frequency = <166666667>; status = "okay"; }; - - nand@3000000 { - status = "okay"; - - partition@0 { - label = "u-boot"; - reg = <0x0000000 0x100000>; - read-only; - }; - - partition@100000 { - label = "uImage"; - reg = <0x0100000 0x500000>; - }; - - partition@600000 { - label = "ramdisk"; - reg = <0x0600000 0x500000>; - }; - - partition@b00000 { - label = "image"; - reg = <0x0b00000 0x6600000>; - }; - - partition@7100000 { - label = "mini firmware"; - reg = <0x7100000 0xa00000>; - }; - - partition@7b00000 { - label = "config"; - reg = <0x7b00000 0x500000>; - }; - }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts index 16734c1b5dfe..d430713ea9b9 100644 --- a/arch/arm/boot/dts/kirkwood-dns325.dts +++ b/arch/arm/boot/dts/kirkwood-dns325.dts @@ -1,6 +1,6 @@ /dts-v1/; -/include/ "kirkwood.dtsi" +/include/ "kirkwood-dnskw.dtsi" / { model = "D-Link DNS-325 NAS (Rev A1)"; @@ -15,45 +15,43 @@ bootargs = "console=ttyS0,115200n8 earlyprintk"; }; - ocp@f1000000 { - serial@12000 { - clock-frequency = <200000000>; - status = "okay"; + gpio-leds { + compatible = "gpio-leds"; + white-power { + label = "dns325:white:power"; + gpios = <&gpio0 26 1>; /* GPIO 26 Active Low */ + linux,default-trigger = "default-on"; + }; + white-usb { + label = "dns325:white:usb"; + gpios = <&gpio1 11 1>; /* GPIO 43 Active Low */ + }; + red-l_hdd { + label = "dns325:red:l_hdd"; + gpios = <&gpio0 28 1>; /* GPIO 28 Active Low */ }; + red-r_hdd { + label = "dns325:red:r_hdd"; + gpios = <&gpio0 27 1>; /* GPIO 27 Active Low */ + }; + red-usb { + label = "dns325:red:usb"; + gpios = <&gpio0 29 1>; /* GPIO 29 Active Low */ + }; + }; - nand@3000000 { + ocp@f1000000 { + i2c@11000 { status = "okay"; - partition@0 { - label = "u-boot"; - reg = <0x0000000 0x100000>; - read-only; - }; - - partition@100000 { - label = "uImage"; - reg = <0x0100000 0x500000>; - }; - - partition@600000 { - label = "ramdisk"; - reg = <0x0600000 0x500000>; - }; - - partition@b00000 { - label = "image"; - reg = <0x0b00000 0x6600000>; - }; - - partition@7100000 { - label = "mini firmware"; - reg = <0x7100000 0xa00000>; - }; - - partition@7b00000 { - label = "config"; - reg = <0x7b00000 0x500000>; + lm75: lm75@48 { + compatible = "national,lm75"; + reg = <0x48>; }; }; + serial@12000 { + clock-frequency = <200000000>; + status = "okay"; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dnskw.dtsi b/arch/arm/boot/dts/kirkwood-dnskw.dtsi new file mode 100644 index 000000000000..7408655f91b5 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-dnskw.dtsi @@ -0,0 +1,69 @@ +/include/ "kirkwood.dtsi" + +/ { + model = "D-Link DNS NASes (kirkwood-based)"; + compatible = "dlink,dns-kirkwood", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "Power button"; + linux,code = <116>; + gpios = <&gpio1 2 1>; + }; + button@2 { + label = "USB unmount button"; + linux,code = <161>; + gpios = <&gpio1 15 1>; + }; + button@3 { + label = "Reset button"; + linux,code = <0x198>; + gpios = <&gpio1 16 1>; + }; + }; + + ocp@f1000000 { + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + + nand@3000000 { + status = "okay"; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + read-only; + }; + + partition@100000 { + label = "uImage"; + reg = <0x0100000 0x500000>; + }; + + partition@600000 { + label = "ramdisk"; + reg = <0x0600000 0x500000>; + }; + + partition@b00000 { + label = "image"; + reg = <0x0b00000 0x6600000>; + }; + + partition@7100000 { + label = "mini firmware"; + reg = <0x7100000 0xa00000>; + }; + + partition@7b00000 { + label = "config"; + reg = <0x7b00000 0x500000>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts index 78b0f06a09a2..26e281fbf6bc 100644 --- a/arch/arm/boot/dts/kirkwood-dreamplug.dts +++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts @@ -20,5 +20,55 @@ clock-frequency = <200000000>; status = "ok"; }; + + spi@10600 { + status = "okay"; + + m25p40@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mx25l1606e"; + reg = <0>; + spi-max-frequency = <50000000>; + mode = <0>; + + partition@0 { + reg = <0x0 0x80000>; + label = "u-boot"; + }; + + partition@100000 { + reg = <0x100000 0x10000>; + label = "u-boot env"; + }; + + partition@180000 { + reg = <0x180000 0x10000>; + label = "dtb"; + }; + }; + }; + + sata@80000 { + status = "okay"; + nr-ports = <1>; + }; + }; + + gpio-leds { + compatible = "gpio-leds"; + + bluetooth { + label = "dreamplug:blue:bluetooth"; + gpios = <&gpio1 15 1>; + }; + wifi { + label = "dreamplug:green:wifi"; + gpios = <&gpio1 16 1>; + }; + wifi-ap { + label = "dreamplug:green:wifi_ap"; + gpios = <&gpio1 17 1>; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-goflexnet.dts b/arch/arm/boot/dts/kirkwood-goflexnet.dts new file mode 100644 index 000000000000..7c8238fbb6f9 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-goflexnet.dts @@ -0,0 +1,99 @@ +/dts-v1/; + +/include/ "kirkwood.dtsi" + +/ { + model = "Seagate GoFlex Net"; + compatible = "seagate,goflexnet", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x8000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8 earlyprintk root=/dev/sda1 rootdelay=10"; + }; + + ocp@f1000000 { + serial@12000 { + clock-frequency = <200000000>; + status = "ok"; + }; + + nand@3000000 { + status = "okay"; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + read-only; + }; + + partition@100000 { + label = "uImage"; + reg = <0x0100000 0x400000>; + }; + + partition@500000 { + label = "pogoplug"; + reg = <0x0500000 0x2000000>; + }; + + partition@2500000 { + label = "root"; + reg = <0x02500000 0xd800000>; + }; + }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + + }; + gpio-leds { + compatible = "gpio-leds"; + + health { + label = "status:green:health"; + gpios = <&gpio1 14 1>; + linux,default-trigger = "default-on"; + }; + fault { + label = "status:orange:fault"; + gpios = <&gpio1 15 1>; + }; + left0 { + label = "status:white:left0"; + gpios = <&gpio1 10 0>; + }; + left1 { + label = "status:white:left1"; + gpios = <&gpio1 11 0>; + }; + left2 { + label = "status:white:left2"; + gpios = <&gpio1 12 0>; + }; + left3 { + label = "status:white:left3"; + gpios = <&gpio1 13 0>; + }; + right0 { + label = "status:white:right0"; + gpios = <&gpio1 6 0>; + }; + right1 { + label = "status:white:right1"; + gpios = <&gpio1 7 0>; + }; + right2 { + label = "status:white:right2"; + gpios = <&gpio1 8 0>; + }; + right3 { + label = "status:white:right3"; + gpios = <&gpio1 9 0>; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts index f59dcf6dc45f..66794ed75ff1 100644 --- a/arch/arm/boot/dts/kirkwood-ib62x0.dts +++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts @@ -21,6 +21,11 @@ status = "okay"; }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + nand@3000000 { status = "okay"; @@ -41,4 +46,37 @@ }; }; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "USB Copy"; + linux,code = <133>; + gpios = <&gpio0 29 1>; + }; + button@2 { + label = "Reset"; + linux,code = <0x198>; + gpios = <&gpio0 28 1>; + }; + }; + gpio-leds { + compatible = "gpio-leds"; + + green-os { + label = "ib62x0:green:os"; + gpios = <&gpio0 25 0>; + linux,default-trigger = "default-on"; + }; + red-os { + label = "ib62x0:red:os"; + gpios = <&gpio0 22 0>; + }; + usb-copy { + label = "ib62x0:red:usb_copy"; + gpios = <&gpio0 27 0>; + }; + }; }; diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts index 026a1f82d813..52d947045106 100644 --- a/arch/arm/boot/dts/kirkwood-iconnect.dts +++ b/arch/arm/boot/dts/kirkwood-iconnect.dts @@ -18,9 +18,51 @@ }; ocp@f1000000 { + i2c@11000 { + status = "okay"; + + lm63: lm63@4c { + compatible = "national,lm63"; + reg = <0x4c>; + }; + }; serial@12000 { clock-frequency = <200000000>; status = "ok"; }; }; + gpio-leds { + compatible = "gpio-leds"; + + led-level { + label = "led_level"; + gpios = <&gpio1 9 0>; + linux,default-trigger = "default-on"; + }; + power-blue { + label = "power:blue"; + gpios = <&gpio1 11 0>; + linux,default-trigger = "timer"; + }; + usb1 { + label = "usb1:blue"; + gpios = <&gpio1 12 0>; + }; + usb2 { + label = "usb2:blue"; + gpios = <&gpio1 13 0>; + }; + usb3 { + label = "usb3:blue"; + gpios = <&gpio1 14 0>; + }; + usb4 { + label = "usb4:blue"; + gpios = <&gpio1 15 0>; + }; + otb { + label = "otb:blue"; + gpios = <&gpio1 16 0>; + }; + }; }; diff --git a/arch/arm/boot/dts/kirkwood-lschlv2.dts b/arch/arm/boot/dts/kirkwood-lschlv2.dts new file mode 100644 index 000000000000..9510c9ea666c --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-lschlv2.dts @@ -0,0 +1,20 @@ +/dts-v1/; + +/include/ "kirkwood-lsxl.dtsi" + +/ { + model = "Buffalo Linkstation LS-CHLv2"; + compatible = "buffalo,lschlv2", "buffalo,lsxl", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x4000000>; + }; + + ocp@f1000000 { + serial@12000 { + clock-frequency = <166666667>; + status = "okay"; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-lsxhl.dts b/arch/arm/boot/dts/kirkwood-lsxhl.dts new file mode 100644 index 000000000000..739019c4cba9 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-lsxhl.dts @@ -0,0 +1,20 @@ +/dts-v1/; + +/include/ "kirkwood-lsxl.dtsi" + +/ { + model = "Buffalo Linkstation LS-XHL"; + compatible = "buffalo,lsxhl", "buffalo,lsxl", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; + }; + + ocp@f1000000 { + serial@12000 { + clock-frequency = <200000000>; + status = "okay"; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi new file mode 100644 index 000000000000..8ac51c08269d --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi @@ -0,0 +1,95 @@ +/include/ "kirkwood.dtsi" + +/ { + chosen { + bootargs = "console=ttyS0,115200n8 earlyprintk"; + }; + + ocp@f1000000 { + sata@80000 { + status = "okay"; + nr-ports = <1>; + }; + + spi@10600 { + status = "okay"; + + m25p40@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p40"; + reg = <0>; + spi-max-frequency = <25000000>; + mode = <0>; + + partition@0 { + reg = <0x0 0x60000>; + label = "uboot"; + read-only; + }; + + partition@60000 { + reg = <0x60000 0x10000>; + label = "dtb"; + read-only; + }; + + partition@70000 { + reg = <0x70000 0x10000>; + label = "uboot_env"; + }; + }; + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "Function Button"; + linux,code = <132>; + gpios = <&gpio1 9 1>; + }; + button@2 { + label = "Power-on Switch"; + linux,code = <116>; + gpios = <&gpio1 10 1>; + }; + button@3 { + label = "Power-auto Switch"; + linux,code = <142>; + gpios = <&gpio1 11 1>; + }; + }; + + gpio_leds { + compatible = "gpio-leds"; + + led@1 { + label = "lschlv2:blue:func"; + gpios = <&gpio1 4 1>; + }; + + led@2 { + label = "lschlv2:red:alarm"; + gpios = <&gpio1 5 1>; + }; + + led@3 { + label = "lschlv2:amber:info"; + gpios = <&gpio1 6 1>; + }; + + led@4 { + label = "lschlv2:blue:power"; + gpios = <&gpio1 7 1>; + linux,default-trigger = "default-on"; + }; + + led@5 { + label = "lschlv2:red:func"; + gpios = <&gpio1 16 1>; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-ts219-6281.dts b/arch/arm/boot/dts/kirkwood-ts219-6281.dts new file mode 100644 index 000000000000..ccbf32757800 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-ts219-6281.dts @@ -0,0 +1,21 @@ +/dts-v1/; + +/include/ "kirkwood-ts219.dtsi" + +/ { + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "USB Copy"; + linux,code = <133>; + gpios = <&gpio0 15 1>; + }; + button@2 { + label = "Reset"; + linux,code = <0x198>; + gpios = <&gpio0 16 1>; + }; + }; +};
\ No newline at end of file diff --git a/arch/arm/boot/dts/kirkwood-ts219-6282.dts b/arch/arm/boot/dts/kirkwood-ts219-6282.dts new file mode 100644 index 000000000000..fbe9932161a1 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-ts219-6282.dts @@ -0,0 +1,21 @@ +/dts-v1/; + +/include/ "kirkwood-ts219.dtsi" + +/ { + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "USB Copy"; + linux,code = <133>; + gpios = <&gpio1 11 1>; + }; + button@2 { + label = "Reset"; + linux,code = <0x198>; + gpios = <&gpio1 5 1>; + }; + }; +};
\ No newline at end of file diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi new file mode 100644 index 000000000000..64ea27cb3298 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi @@ -0,0 +1,78 @@ +/include/ "kirkwood.dtsi" + +/ { + model = "QNAP TS219 family"; + compatible = "qnap,ts219", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x20000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8"; + }; + + ocp@f1000000 { + i2c@11000 { + status = "okay"; + clock-frequency = <400000>; + + s35390a: s35390a@30 { + compatible = "s35390a"; + reg = <0x30>; + }; + }; + serial@12000 { + clock-frequency = <200000000>; + status = "okay"; + }; + serial@12100 { + clock-frequency = <200000000>; + status = "okay"; + }; + spi@10600 { + status = "okay"; + + m25p128@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p128"; + reg = <0>; + spi-max-frequency = <20000000>; + mode = <0>; + + partition@0000000 { + reg = <0x00000000 0x00080000>; + label = "U-Boot"; + }; + + partition@00200000 { + reg = <0x00200000 0x00200000>; + label = "Kernel"; + }; + + partition@00400000 { + reg = <0x00400000 0x00900000>; + label = "RootFS1"; + }; + partition@00d00000 { + reg = <0x00d00000 0x00300000>; + label = "RootFS2"; + }; + partition@00040000 { + reg = <0x00080000 0x00040000>; + label = "U-Boot Config"; + }; + partition@000c0000 { + reg = <0x000c0000 0x00140000>; + label = "NAS Config"; + }; + }; + }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index f95dbc190ab6..cef9616f330a 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -2,6 +2,15 @@ / { compatible = "marvell,kirkwood"; + interrupt-parent = <&intc>; + + intc: interrupt-controller { + compatible = "marvell,orion-intc", "marvell,intc"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xf1020204 0x04>, + <0xf1020214 0x04>; + }; ocp@f1000000 { compatible = "simple-bus"; @@ -9,6 +18,24 @@ #address-cells = <1>; #size-cells = <1>; + gpio0: gpio@10100 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10100 0x40>; + ngpio = <32>; + interrupts = <35>, <36>, <37>, <38>; + }; + + gpio1: gpio@10140 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10140 0x40>; + ngpio = <18>; + interrupts = <39>, <40>, <41>; + }; + serial@12000 { compatible = "ns16550a"; reg = <0x12000 0x100>; @@ -33,6 +60,29 @@ interrupts = <53>; }; + spi@10600 { + compatible = "marvell,orion-spi"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + interrupts = <23>; + reg = <0x10600 0x28>; + status = "disabled"; + }; + + wdt@20300 { + compatible = "marvell,orion-wdt"; + reg = <0x20300 0x28>; + status = "okay"; + }; + + sata@80000 { + compatible = "marvell,orion-sata"; + reg = <0x80000 0x5000>; + interrupts = <21>; + status = "disabled"; + }; + nand@3000000 { #address-cells = <1>; #size-cells = <1>; @@ -45,5 +95,15 @@ /* set partition map and/or chip-delay in board dts */ status = "disabled"; }; + + i2c@11000 { + compatible = "marvell,mv64xxx-i2c"; + reg = <0x11000 0x20>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <29>; + clock-frequency = <100000>; + status = "disabled"; + }; }; }; diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index b152de79fd95..e58edc36b406 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -193,6 +193,8 @@ CONFIG_MMC_OMAP_HS=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_TWL92330=y CONFIG_RTC_DRV_TWL4030=y +CONFIG_DMADEVICES=y +CONFIG_DMA_OMAP=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_FS_XATTR is not set diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 004c1bc95d2b..e4448e16046d 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -215,7 +215,9 @@ static inline void vivt_flush_cache_mm(struct mm_struct *mm) static inline void vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { - if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) + struct mm_struct *mm = vma->vm_mm; + + if (!mm || cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end), vma->vm_flags); } @@ -223,7 +225,9 @@ vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned static inline void vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn) { - if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) { + struct mm_struct *mm = vma->vm_mm; + + if (!mm || cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) { unsigned long addr = user_addr & PAGE_MASK; __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags); } diff --git a/arch/arm/include/asm/mutex.h b/arch/arm/include/asm/mutex.h index 93226cf23ae0..b1479fd04a95 100644 --- a/arch/arm/include/asm/mutex.h +++ b/arch/arm/include/asm/mutex.h @@ -7,121 +7,10 @@ */ #ifndef _ASM_MUTEX_H #define _ASM_MUTEX_H - -#if __LINUX_ARM_ARCH__ < 6 -/* On pre-ARMv6 hardware the swp based implementation is the most efficient. */ -# include <asm-generic/mutex-xchg.h> -#else - /* - * Attempting to lock a mutex on ARMv6+ can be done with a bastardized - * atomic decrement (it is not a reliable atomic decrement but it satisfies - * the defined semantics for our purpose, while being smaller and faster - * than a real atomic decrement or atomic swap. The idea is to attempt - * decrementing the lock value only once. If once decremented it isn't zero, - * or if its store-back fails due to a dispute on the exclusive store, we - * simply bail out immediately through the slow path where the lock will be - * reattempted until it succeeds. + * On pre-ARMv6 hardware this results in a swp-based implementation, + * which is the most efficient. For ARMv6+, we emit a pair of exclusive + * accesses instead. */ -static inline void -__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res; - - __asm__ ( - - "ldrex %0, [%2] \n\t" - "sub %0, %0, #1 \n\t" - "strex %1, %0, [%2] " - - : "=&r" (__res), "=&r" (__ex_flag) - : "r" (&(count)->counter) - : "cc","memory" ); - - __res |= __ex_flag; - if (unlikely(__res != 0)) - fail_fn(count); -} - -static inline int -__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res; - - __asm__ ( - - "ldrex %0, [%2] \n\t" - "sub %0, %0, #1 \n\t" - "strex %1, %0, [%2] " - - : "=&r" (__res), "=&r" (__ex_flag) - : "r" (&(count)->counter) - : "cc","memory" ); - - __res |= __ex_flag; - if (unlikely(__res != 0)) - __res = fail_fn(count); - return __res; -} - -/* - * Same trick is used for the unlock fast path. However the original value, - * rather than the result, is used to test for success in order to have - * better generated assembly. - */ -static inline void -__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res, __orig; - - __asm__ ( - - "ldrex %0, [%3] \n\t" - "add %1, %0, #1 \n\t" - "strex %2, %1, [%3] " - - : "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag) - : "r" (&(count)->counter) - : "cc","memory" ); - - __orig |= __ex_flag; - if (unlikely(__orig != 0)) - fail_fn(count); -} - -/* - * If the unlock was done on a contended lock, or if the unlock simply fails - * then the mutex remains locked. - */ -#define __mutex_slowpath_needs_to_unlock() 1 - -/* - * For __mutex_fastpath_trylock we use another construct which could be - * described as a "single value cmpxchg". - * - * This provides the needed trylock semantics like cmpxchg would, but it is - * lighter and less generic than a true cmpxchg implementation. - */ -static inline int -__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res, __orig; - - __asm__ ( - - "1: ldrex %0, [%3] \n\t" - "subs %1, %0, #1 \n\t" - "strexeq %2, %1, [%3] \n\t" - "movlt %0, #0 \n\t" - "cmpeq %2, #0 \n\t" - "bgt 1b " - - : "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag) - : "r" (&count->counter) - : "cc", "memory" ); - - return __orig; -} - -#endif +#include <asm-generic/mutex-xchg.h> #endif diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index 23ebc0c82a39..24d284a1bfc7 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -196,7 +196,7 @@ static const struct tagtable __tagtable_##fn __tag = { tag, fn } struct membank { phys_addr_t start; - unsigned long size; + phys_addr_t size; unsigned int highmem; }; @@ -217,7 +217,7 @@ extern struct meminfo meminfo; #define bank_phys_end(bank) ((bank)->start + (bank)->size) #define bank_phys_size(bank) (bank)->size -extern int arm_add_memory(phys_addr_t start, unsigned long size); +extern int arm_add_memory(phys_addr_t start, phys_addr_t size); extern void early_print(const char *str, ...); extern void dump_machine_table(void); diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 0d1851ca6eb9..0f82098c9bfe 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -244,6 +244,19 @@ svc_preempt: b 1b #endif +__und_fault: + @ Correct the PC such that it is pointing at the instruction + @ which caused the fault. If the faulting instruction was ARM + @ the PC will be pointing at the next instruction, and have to + @ subtract 4. Otherwise, it is Thumb, and the PC will be + @ pointing at the second half of the Thumb instruction. We + @ have to subtract 2. + ldr r2, [r0, #S_PC] + sub r2, r2, r1 + str r2, [r0, #S_PC] + b do_undefinstr +ENDPROC(__und_fault) + .align 5 __und_svc: #ifdef CONFIG_KPROBES @@ -261,25 +274,32 @@ __und_svc: @ @ r0 - instruction @ -#ifndef CONFIG_THUMB2_KERNEL +#ifndef CONFIG_THUMB2_KERNEL ldr r0, [r4, #-4] #else + mov r1, #2 ldrh r0, [r4, #-2] @ Thumb instruction at LR - 2 cmp r0, #0xe800 @ 32-bit instruction if xx >= 0 - ldrhhs r9, [r4] @ bottom 16 bits - orrhs r0, r9, r0, lsl #16 + blo __und_svc_fault + ldrh r9, [r4] @ bottom 16 bits + add r4, r4, #2 + str r4, [sp, #S_PC] + orr r0, r9, r0, lsl #16 #endif - adr r9, BSYM(1f) + adr r9, BSYM(__und_svc_finish) mov r2, r4 bl call_fpe + mov r1, #4 @ PC correction to apply +__und_svc_fault: mov r0, sp @ struct pt_regs *regs - bl do_undefinstr + bl __und_fault @ @ IRQs off again before pulling preserved data off the stack @ -1: disable_irq_notrace +__und_svc_finish: + disable_irq_notrace @ @ restore SPSR and restart the instruction @@ -423,25 +443,33 @@ __und_usr: mov r2, r4 mov r3, r5 + @ r2 = regs->ARM_pc, which is either 2 or 4 bytes ahead of the + @ faulting instruction depending on Thumb mode. + @ r3 = regs->ARM_cpsr @ - @ fall through to the emulation code, which returns using r9 if - @ it has emulated the instruction, or the more conventional lr - @ if we are to treat this as a real undefined instruction - @ - @ r0 - instruction + @ The emulation code returns using r9 if it has emulated the + @ instruction, or the more conventional lr if we are to treat + @ this as a real undefined instruction @ adr r9, BSYM(ret_from_exception) - adr lr, BSYM(__und_usr_unknown) + tst r3, #PSR_T_BIT @ Thumb mode? - itet eq @ explicit IT needed for the 1f label - subeq r4, r2, #4 @ ARM instr at LR - 4 - subne r4, r2, #2 @ Thumb instr at LR - 2 -1: ldreqt r0, [r4] + bne __und_usr_thumb + sub r4, r2, #4 @ ARM instr at LR - 4 +1: ldrt r0, [r4] #ifdef CONFIG_CPU_ENDIAN_BE8 - reveq r0, r0 @ little endian instruction + rev r0, r0 @ little endian instruction #endif - beq call_fpe + @ r0 = 32-bit ARM instruction which caused the exception + @ r2 = PC value for the following instruction (:= regs->ARM_pc) + @ r4 = PC value for the faulting instruction + @ lr = 32-bit undefined instruction function + adr lr, BSYM(__und_usr_fault_32) + b call_fpe + +__und_usr_thumb: @ Thumb instruction + sub r4, r2, #2 @ First half of thumb instr at LR - 2 #if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7 /* * Thumb-2 instruction handling. Note that because pre-v6 and >= v6 platforms @@ -455,7 +483,7 @@ __und_usr: ldr r5, .LCcpu_architecture ldr r5, [r5] cmp r5, #CPU_ARCH_ARMv7 - blo __und_usr_unknown + blo __und_usr_fault_16 @ 16bit undefined instruction /* * The following code won't get run unless the running CPU really is v7, so * coding round the lack of ldrht on older arches is pointless. Temporarily @@ -463,15 +491,18 @@ __und_usr: */ .arch armv6t2 #endif -2: - ARM( ldrht r5, [r4], #2 ) - THUMB( ldrht r5, [r4] ) - THUMB( add r4, r4, #2 ) +2: ldrht r5, [r4] cmp r5, #0xe800 @ 32bit instruction if xx != 0 - blo __und_usr_unknown -3: ldrht r0, [r4] + blo __und_usr_fault_16 @ 16bit undefined instruction +3: ldrht r0, [r2] add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 + str r2, [sp, #S_PC] @ it's a 2x16bit instr, update orr r0, r0, r5, lsl #16 + adr lr, BSYM(__und_usr_fault_32) + @ r0 = the two 16-bit Thumb instructions which caused the exception + @ r2 = PC value for the following Thumb instruction (:= regs->ARM_pc) + @ r4 = PC value for the first 16-bit Thumb instruction + @ lr = 32bit undefined instruction function #if __LINUX_ARM_ARCH__ < 7 /* If the target arch was overridden, change it back: */ @@ -482,17 +513,13 @@ __und_usr: #endif #endif /* __LINUX_ARM_ARCH__ < 7 */ #else /* !(CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7) */ - b __und_usr_unknown + b __und_usr_fault_16 #endif - UNWIND(.fnend ) + UNWIND(.fnend) ENDPROC(__und_usr) - @ - @ fallthrough to call_fpe - @ - /* - * The out of line fixup for the ldrt above. + * The out of line fixup for the ldrt instructions above. */ .pushsection .fixup, "ax" .align 2 @@ -524,11 +551,12 @@ ENDPROC(__und_usr) * NEON handler code. * * Emulators may wish to make use of the following registers: - * r0 = instruction opcode. - * r2 = PC+4 + * r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) + * r2 = PC value to resume execution after successful emulation * r9 = normal "successful" return address - * r10 = this threads thread_info structure. + * r10 = this threads thread_info structure * lr = unrecognised instruction return address + * IRQs disabled, FIQs enabled. */ @ @ Fall-through from Thumb-2 __und_usr @@ -659,12 +687,17 @@ ENTRY(no_fp) mov pc, lr ENDPROC(no_fp) -__und_usr_unknown: - enable_irq +__und_usr_fault_32: + mov r1, #4 + b 1f +__und_usr_fault_16: + mov r1, #2 +1: enable_irq mov r0, sp adr lr, BSYM(ret_from_exception) - b do_undefinstr -ENDPROC(__und_usr_unknown) + b __und_fault +ENDPROC(__und_usr_fault_32) +ENDPROC(__und_usr_fault_16) .align 5 __pabt_usr: diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 49d9f9305247..978eac57e04a 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -51,23 +51,15 @@ ret_fast_syscall: fast_work_pending: str r0, [sp, #S_R0+S_OFF]! @ returned r0 work_pending: - tst r1, #_TIF_NEED_RESCHED - bne work_resched - /* - * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here - */ - ldr r2, [sp, #S_PSR] mov r0, sp @ 'regs' - tst r2, #15 @ are we returning to user mode? - bne no_work_pending @ no? just leave, then... mov r2, why @ 'syscall' - tst r1, #_TIF_SIGPENDING @ delivering a signal? - movne why, #0 @ prevent further restarts - bl do_notify_resume - b ret_slow_syscall @ Check work again + bl do_work_pending + cmp r0, #0 + beq no_work_pending + movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE) + ldmia sp, {r0 - r6} @ have to reload r0 - r6 + b local_restart @ ... and off we go -work_resched: - bl schedule /* * "slow" syscall return path. "why" tells us if this was a real syscall. */ @@ -409,6 +401,7 @@ ENTRY(vector_swi) eor scno, scno, #__NR_SYSCALL_BASE @ check OS number #endif +local_restart: ldr r10, [tsk, #TI_FLAGS] @ check for syscall tracing stmdb sp!, {r4, r5} @ push fifth and sixth args @@ -450,7 +443,8 @@ __sys_trace: mov scno, r0 @ syscall number (possibly new) add r1, sp, #S_R0 + S_OFF @ pointer to regs cmp scno, #NR_syscalls @ check upper syscall limit - ldmccia r1, {r0 - r3} @ have to reload r0 - r3 + ldmccia r1, {r0 - r6} @ have to reload r0 - r6 + stmccia sp, {r4, r5} @ and update the stack args ldrcc pc, [tbl, scno, lsl #2] @ call sys_* routine b 2b diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c index df0bf0c8cb79..34e56647dcee 100644 --- a/arch/arm/kernel/ftrace.c +++ b/arch/arm/kernel/ftrace.c @@ -179,19 +179,20 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, old = *parent; *parent = return_hooker; - err = ftrace_push_return_trace(old, self_addr, &trace.depth, - frame_pointer); - if (err == -EBUSY) { - *parent = old; - return; - } - trace.func = self_addr; + trace.depth = current->curr_ret_stack + 1; /* Only trace if the calling function expects to */ if (!ftrace_graph_entry(&trace)) { - current->curr_ret_stack--; *parent = old; + return; + } + + err = ftrace_push_return_trace(old, self_addr, &trace.depth, + frame_pointer); + if (err == -EBUSY) { + *parent = old; + return; } } diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 19c95ea65b2f..693b744fd572 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -247,6 +247,7 @@ void machine_shutdown(void) void machine_halt(void) { machine_shutdown(); + local_irq_disable(); while (1); } @@ -268,6 +269,7 @@ void machine_restart(char *cmd) /* Whoops - the platform was unable to reboot. Tell the user! */ printk("Reboot failed -- System halted\n"); + local_irq_disable(); while (1); } diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index dab711e6e1ca..3e0fc5f7ed4b 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -25,6 +25,7 @@ #include <linux/regset.h> #include <linux/audit.h> #include <linux/tracehook.h> +#include <linux/unistd.h> #include <asm/pgtable.h> #include <asm/traps.h> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index e15d83bb4ea3..a81dcecc7343 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -508,7 +508,7 @@ void __init dump_machine_table(void) /* can't use cpu_relax() here as it may require MMU setup */; } -int __init arm_add_memory(phys_addr_t start, unsigned long size) +int __init arm_add_memory(phys_addr_t start, phys_addr_t size) { struct membank *bank = &meminfo.bank[meminfo.nr_banks]; @@ -538,7 +538,7 @@ int __init arm_add_memory(phys_addr_t start, unsigned long size) } #endif - bank->size = size & PAGE_MASK; + bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1); /* * Check whether this memory region has non-zero size or @@ -558,7 +558,7 @@ int __init arm_add_memory(phys_addr_t start, unsigned long size) static int __init early_mem(char *p) { static int usermem __initdata = 0; - unsigned long size; + phys_addr_t size; phys_addr_t start; char *endp; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 536c5d6b340b..f27789e4e38a 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -27,7 +27,6 @@ */ #define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)) #define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)) -#define SWI_SYS_RESTART (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE) /* * With EABI, the syscall number has to be loaded into r7. @@ -48,18 +47,6 @@ const unsigned long sigreturn_codes[7] = { }; /* - * Either we support OABI only, or we have EABI with the OABI - * compat layer enabled. In the later case we don't know if - * user space is EABI or not, and if not we must not clobber r7. - * Always using the OABI syscall solves that issue and works for - * all those cases. - */ -const unsigned long syscall_restart_code[2] = { - SWI_SYS_RESTART, /* swi __NR_restart_syscall */ - 0xe49df004, /* ldr pc, [sp], #4 */ -}; - -/* * atomically swap in the new signal mask, and wait for a signal. */ asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask) @@ -582,12 +569,13 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, * the kernel can handle, and then we build all the user-level signal handling * stack-frames in one go after that. */ -static void do_signal(struct pt_regs *regs, int syscall) +static int do_signal(struct pt_regs *regs, int syscall) { unsigned int retval = 0, continue_addr = 0, restart_addr = 0; struct k_sigaction ka; siginfo_t info; int signr; + int restart = 0; /* * If we were from a system call, check for system call restarting... @@ -602,15 +590,15 @@ static void do_signal(struct pt_regs *regs, int syscall) * debugger will see the already changed PSW. */ switch (retval) { + case -ERESTART_RESTARTBLOCK: + restart -= 2; case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: + restart++; regs->ARM_r0 = regs->ARM_ORIG_r0; regs->ARM_pc = restart_addr; break; - case -ERESTART_RESTARTBLOCK: - regs->ARM_r0 = -EINTR; - break; } } @@ -619,14 +607,17 @@ static void do_signal(struct pt_regs *regs, int syscall) * point the debugger may change all our registers ... */ signr = get_signal_to_deliver(&info, &ka, regs, NULL); + /* + * Depending on the signal settings we may need to revert the + * decision to restart the system call. But skip this if a + * debugger has chosen to restart at a different PC. + */ + if (regs->ARM_pc != restart_addr) + restart = 0; if (signr > 0) { - /* - * Depending on the signal settings we may need to revert the - * decision to restart the system call. But skip this if a - * debugger has chosen to restart at a different PC. - */ - if (regs->ARM_pc == restart_addr) { - if (retval == -ERESTARTNOHAND + if (unlikely(restart)) { + if (retval == -ERESTARTNOHAND || + retval == -ERESTART_RESTARTBLOCK || (retval == -ERESTARTSYS && !(ka.sa.sa_flags & SA_RESTART))) { regs->ARM_r0 = -EINTR; @@ -635,52 +626,43 @@ static void do_signal(struct pt_regs *regs, int syscall) } handle_signal(signr, &ka, &info, regs); - return; - } - - if (syscall) { - /* - * Handle restarting a different system call. As above, - * if a debugger has chosen to restart at a different PC, - * ignore the restart. - */ - if (retval == -ERESTART_RESTARTBLOCK - && regs->ARM_pc == continue_addr) { - if (thumb_mode(regs)) { - regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE; - regs->ARM_pc -= 2; - } else { -#if defined(CONFIG_AEABI) && !defined(CONFIG_OABI_COMPAT) - regs->ARM_r7 = __NR_restart_syscall; - regs->ARM_pc -= 4; -#else - u32 __user *usp; - - regs->ARM_sp -= 4; - usp = (u32 __user *)regs->ARM_sp; - - if (put_user(regs->ARM_pc, usp) == 0) { - regs->ARM_pc = KERN_RESTART_CODE; - } else { - regs->ARM_sp += 4; - force_sigsegv(0, current); - } -#endif - } - } + return 0; } restore_saved_sigmask(); + if (unlikely(restart)) + regs->ARM_pc = continue_addr; + return restart; } -asmlinkage void -do_notify_resume(struct pt_regs *regs, unsigned int thread_flags, int syscall) +asmlinkage int +do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) { - if (thread_flags & _TIF_SIGPENDING) - do_signal(regs, syscall); - - if (thread_flags & _TIF_NOTIFY_RESUME) { - clear_thread_flag(TIF_NOTIFY_RESUME); - tracehook_notify_resume(regs); - } + do { + if (likely(thread_flags & _TIF_NEED_RESCHED)) { + schedule(); + } else { + if (unlikely(!user_mode(regs))) + return 0; + local_irq_enable(); + if (thread_flags & _TIF_SIGPENDING) { + int restart = do_signal(regs, syscall); + if (unlikely(restart)) { + /* + * Restart without handlers. + * Deal with it without leaving + * the kernel space. + */ + return restart; + } + syscall = 0; + } else { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } + } + local_irq_disable(); + thread_flags = current_thread_info()->flags; + } while (thread_flags & _TIF_WORK_MASK); + return 0; } diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h index 6fcfe8398aa4..5ff067b7c752 100644 --- a/arch/arm/kernel/signal.h +++ b/arch/arm/kernel/signal.h @@ -8,7 +8,5 @@ * published by the Free Software Foundation. */ #define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500) -#define KERN_RESTART_CODE (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes)) extern const unsigned long sigreturn_codes[7]; -extern const unsigned long syscall_restart_code[2]; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index aea74f5bc34a..ebd8ad274d76 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -563,7 +563,8 @@ void smp_send_stop(void) cpumask_copy(&mask, cpu_online_mask); cpumask_clear_cpu(smp_processor_id(), &mask); - smp_cross_call(&mask, IPI_CPU_STOP); + if (!cpumask_empty(&mask)) + smp_cross_call(&mask, IPI_CPU_STOP); /* Wait up to one second for other CPUs to stop */ timeout = USEC_PER_SEC; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 8b97d739b17b..f7945218b8c6 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -402,18 +402,10 @@ static int call_undef_hook(struct pt_regs *regs, unsigned int instr) asmlinkage void __exception do_undefinstr(struct pt_regs *regs) { - unsigned int correction = thumb_mode(regs) ? 2 : 4; unsigned int instr; siginfo_t info; void __user *pc; - /* - * According to the ARM ARM, PC is 2 or 4 bytes ahead, - * depending whether we're in Thumb mode or not. - * Correct this offset. - */ - regs->ARM_pc -= correction; - pc = (void __user *)instruction_pointer(regs); if (processor_mode(regs) == SVC_MODE) { @@ -852,8 +844,6 @@ void __init early_trap_init(void *vectors_base) */ memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE), sigreturn_codes, sizeof(sigreturn_codes)); - memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE), - syscall_restart_code, sizeof(syscall_restart_code)); flush_icache_range(vectors, vectors + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index d1624a315c9a..783eab6845c4 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -546,6 +546,7 @@ static struct lcd_ctrl_config lcd_cfg = { .sync_edge = 0, .sync_ctrl = 1, .raster_order = 0, + .fifo_th = 6, }; struct da8xx_lcdc_platform_data sharp_lcd035q3dg01_pdata = { diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c index f07fd16e0c9b..9bc97a5baaa8 100644 --- a/arch/arm/mach-dove/irq.c +++ b/arch/arm/mach-dove/irq.c @@ -20,22 +20,6 @@ #include <mach/bridge-regs.h> #include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - int irqoff; - BUG_ON(irq < IRQ_DOVE_GPIO_0_7 || irq > IRQ_DOVE_HIGH_GPIO); - - irqoff = irq <= IRQ_DOVE_GPIO_16_23 ? irq - IRQ_DOVE_GPIO_0_7 : - 3 + irq - IRQ_DOVE_GPIO_24_31; - - orion_gpio_irq_handler(irqoff << 3); - if (irq == IRQ_DOVE_HIGH_GPIO) { - orion_gpio_irq_handler(40); - orion_gpio_irq_handler(48); - orion_gpio_irq_handler(56); - } -} - static void pmu_irq_mask(struct irq_data *d) { int pin = irq_to_pmu(d->irq); @@ -90,6 +74,27 @@ static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) } } +static int __initdata gpio0_irqs[4] = { + IRQ_DOVE_GPIO_0_7, + IRQ_DOVE_GPIO_8_15, + IRQ_DOVE_GPIO_16_23, + IRQ_DOVE_GPIO_24_31, +}; + +static int __initdata gpio1_irqs[4] = { + IRQ_DOVE_HIGH_GPIO, + 0, + 0, + 0, +}; + +static int __initdata gpio2_irqs[4] = { + 0, + 0, + 0, + 0, +}; + void __init dove_init_irq(void) { int i; @@ -100,19 +105,14 @@ void __init dove_init_irq(void) /* * Initialize gpiolib for GPIOs 0-71. */ - orion_gpio_init(0, 32, DOVE_GPIO_LO_VIRT_BASE, 0, - IRQ_DOVE_GPIO_START); - irq_set_chained_handler(IRQ_DOVE_GPIO_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_DOVE_GPIO_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_DOVE_GPIO_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_DOVE_GPIO_24_31, gpio_irq_handler); - - orion_gpio_init(32, 32, DOVE_GPIO_HI_VIRT_BASE, 0, - IRQ_DOVE_GPIO_START + 32); - irq_set_chained_handler(IRQ_DOVE_HIGH_GPIO, gpio_irq_handler); - - orion_gpio_init(64, 8, DOVE_GPIO2_VIRT_BASE, 0, - IRQ_DOVE_GPIO_START + 64); + orion_gpio_init(NULL, 0, 32, (void __iomem *)DOVE_GPIO_LO_VIRT_BASE, 0, + IRQ_DOVE_GPIO_START, gpio0_irqs); + + orion_gpio_init(NULL, 32, 32, (void __iomem *)DOVE_GPIO_HI_VIRT_BASE, 0, + IRQ_DOVE_GPIO_START + 32, gpio1_irqs); + + orion_gpio_init(NULL, 64, 8, (void __iomem *)DOVE_GPIO2_VIRT_BASE, 0, + IRQ_DOVE_GPIO_START + 64, gpio2_irqs); /* * Mask and clear PMU interrupts diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 199764fe0fb0..ca5c15a4e626 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -80,6 +80,35 @@ config MACH_IB62X0_DT RaidSonic IB-NAS6210 & IB-NAS6220 devices, using Flattened Device Tree. +config MACH_TS219_DT + bool "Device Tree for QNAP TS-11X, TS-21X NAS" + select ARCH_KIRKWOOD_DT + select ARM_APPENDED_DTB + select ARM_ATAG_DTB_COMPAT + help + Say 'Y' here if you want your kernel to support the QNAP + TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and + TS-219P+ Turbo NAS devices using Fattened Device Tree. + There are two different Device Tree descriptions, depending + on if the device is based on an if the board uses the MV6281 + or MV6282. If you have the wrong one, the buttons will not + work. + +config MACH_GOFLEXNET_DT + bool "Seagate GoFlex Net (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here if you want your kernel to support the + Seagate GoFlex Net (Flattened Device Tree). + +config MACH_LSXL_DT + bool "Buffalo Linkstation LS-XHL, LS-CHLv2 (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here if you want your kernel to support the + Buffalo Linkstation LS-XHL & LS-CHLv2 devices, using + Flattened Device Tree. + config MACH_TS219 bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS" help diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index d2b05907b10e..055c85a1cc46 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -25,3 +25,6 @@ obj-$(CONFIG_MACH_DREAMPLUG_DT) += board-dreamplug.o obj-$(CONFIG_MACH_ICONNECT_DT) += board-iconnect.o obj-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += board-dnskw.o obj-$(CONFIG_MACH_IB62X0_DT) += board-ib62x0.o +obj-$(CONFIG_MACH_TS219_DT) += board-ts219.o tsx1x-common.o +obj-$(CONFIG_MACH_GOFLEXNET_DT) += board-goflexnet.o +obj-$(CONFIG_MACH_LSXL_DT) += board-lsxl.o diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot index 02edbdf5b065..2a576abf409b 100644 --- a/arch/arm/mach-kirkwood/Makefile.boot +++ b/arch/arm/mach-kirkwood/Makefile.boot @@ -7,3 +7,7 @@ dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns320.dtb dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns325.dtb dtb-$(CONFIG_MACH_ICONNECT_DT) += kirkwood-iconnect.dtb dtb-$(CONFIG_MACH_IB62X0_DT) += kirkwood-ib62x0.dtb +dtb-$(CONFIG_MACH_TS219_DT) += kirkwood-qnap-ts219.dtb +dtb-$(CONFIG_MACH_GOFLEXNET_DT) += kirkwood-goflexnet.dtb +dbt-$(CONFIG_MACH_LSXL_DT) += kirkwood-lschlv2.dtb +dbt-$(CONFIG_MACH_LSXL_DT) += kirkwood-lsxhl.dtb diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c index 58c2d68f9443..4ab35065a144 100644 --- a/arch/arm/mach-kirkwood/board-dnskw.c +++ b/arch/arm/mach-kirkwood/board-dnskw.c @@ -14,13 +14,11 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/i2c.h> #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/of.h> #include <linux/gpio.h> #include <linux/input.h> -#include <linux/gpio_keys.h> #include <linux/gpio-fan.h> #include <linux/leds.h> #include <asm/mach-types.h> @@ -35,10 +33,6 @@ static struct mv643xx_eth_platform_data dnskw_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; -static struct mv_sata_platform_data dnskw_sata_data = { - .n_ports = 2, -}; - static unsigned int dnskw_mpp_config[] __initdata = { MPP13_UART1_TXD, /* Custom ... */ MPP14_UART1_RXD, /* ... Controller (DNS-320 only) */ @@ -73,132 +67,6 @@ static unsigned int dnskw_mpp_config[] __initdata = { 0 }; -static struct gpio_led dns325_led_pins[] = { - { - .name = "dns325:white:power", - .gpio = 26, - .active_low = 1, - .default_trigger = "default-on", - }, - { - .name = "dns325:white:usb", - .gpio = 43, - .active_low = 1, - }, - { - .name = "dns325:red:l_hdd", - .gpio = 28, - .active_low = 1, - }, - { - .name = "dns325:red:r_hdd", - .gpio = 27, - .active_low = 1, - }, - { - .name = "dns325:red:usb", - .gpio = 29, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dns325_led_data = { - .num_leds = ARRAY_SIZE(dns325_led_pins), - .leds = dns325_led_pins, -}; - -static struct platform_device dns325_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dns325_led_data, - }, -}; - -static struct gpio_led dns320_led_pins[] = { - { - .name = "dns320:blue:power", - .gpio = 26, - .active_low = 1, - .default_trigger = "default-on", - }, - { - .name = "dns320:blue:usb", - .gpio = 43, - .active_low = 1, - }, - { - .name = "dns320:orange:l_hdd", - .gpio = 28, - .active_low = 1, - }, - { - .name = "dns320:orange:r_hdd", - .gpio = 27, - .active_low = 1, - }, - { - .name = "dns320:orange:usb", - .gpio = 35, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dns320_led_data = { - .num_leds = ARRAY_SIZE(dns320_led_pins), - .leds = dns320_led_pins, -}; - -static struct platform_device dns320_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dns320_led_data, - }, -}; - -static struct i2c_board_info dns325_i2c_board_info[] __initdata = { - { - I2C_BOARD_INFO("lm75", 0x48), - }, - /* Something at 0x0c also */ -}; - -static struct gpio_keys_button dnskw_button_pins[] = { - { - .code = KEY_POWER, - .gpio = 34, - .desc = "Power button", - .active_low = 1, - }, - { - .code = KEY_EJECTCD, - .gpio = 47, - .desc = "USB unmount button", - .active_low = 1, - }, - { - .code = KEY_RESTART, - .gpio = 48, - .desc = "Reset button", - .active_low = 1, - }, -}; - -static struct gpio_keys_platform_data dnskw_button_data = { - .buttons = dnskw_button_pins, - .nbuttons = ARRAY_SIZE(dnskw_button_pins), -}; - -static struct platform_device dnskw_button_device = { - .name = "gpio-keys", - .id = -1, - .num_resources = 0, - .dev = { - .platform_data = &dnskw_button_data, - } -}; - /* Fan: ADDA AD045HB-G73 40mm 6000rpm@5v */ static struct gpio_fan_speed dnskw_fan_speed[] = { { 0, 0 }, @@ -245,20 +113,9 @@ void __init dnskw_init(void) kirkwood_ehci_init(); kirkwood_ge00_init(&dnskw_ge00_data); - kirkwood_sata_init(&dnskw_sata_data); - kirkwood_i2c_init(); - platform_device_register(&dnskw_button_device); platform_device_register(&dnskw_fan_device); - if (of_machine_is_compatible("dlink,dns-325")) { - i2c_register_board_info(0, dns325_i2c_board_info, - ARRAY_SIZE(dns325_i2c_board_info)); - platform_device_register(&dns325_led_device); - - } else if (of_machine_is_compatible("dlink,dns-320")) - platform_device_register(&dns320_led_device); - /* Register power-off GPIO. */ if (gpio_request(36, "dnskw:power:off") == 0 && gpio_direction_output(36, 0) == 0) diff --git a/arch/arm/mach-kirkwood/board-dreamplug.c b/arch/arm/mach-kirkwood/board-dreamplug.c index 55e357ab2923..aeb234d0d0e3 100644 --- a/arch/arm/mach-kirkwood/board-dreamplug.c +++ b/arch/arm/mach-kirkwood/board-dreamplug.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/mtd/partitions.h> #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/of.h> @@ -23,7 +22,6 @@ #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/gpio.h> -#include <linux/leds.h> #include <linux/mtd/physmap.h> #include <linux/spi/flash.h> #include <linux/spi/spi.h> @@ -36,42 +34,6 @@ #include "common.h" #include "mpp.h" -struct mtd_partition dreamplug_partitions[] = { - { - .name = "u-boot", - .size = SZ_512K, - .offset = 0, - }, - { - .name = "u-boot env", - .size = SZ_64K, - .offset = SZ_512K + SZ_512K, - }, - { - .name = "dtb", - .size = SZ_64K, - .offset = SZ_512K + SZ_512K + SZ_512K, - }, -}; - -static const struct flash_platform_data dreamplug_spi_slave_data = { - .type = "mx25l1606e", - .name = "spi_flash", - .parts = dreamplug_partitions, - .nr_parts = ARRAY_SIZE(dreamplug_partitions), -}; - -static struct spi_board_info __initdata dreamplug_spi_slave_info[] = { - { - .modalias = "m25p80", - .platform_data = &dreamplug_spi_slave_data, - .irq = -1, - .max_speed_hz = 50000000, - .bus_num = 0, - .chip_select = 0, - }, -}; - static struct mv643xx_eth_platform_data dreamplug_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(0), }; @@ -80,45 +42,10 @@ static struct mv643xx_eth_platform_data dreamplug_ge01_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(1), }; -static struct mv_sata_platform_data dreamplug_sata_data = { - .n_ports = 1, -}; - static struct mvsdio_platform_data dreamplug_mvsdio_data = { /* unfortunately the CD signal has not been connected */ }; -static struct gpio_led dreamplug_led_pins[] = { - { - .name = "dreamplug:blue:bluetooth", - .gpio = 47, - .active_low = 1, - }, - { - .name = "dreamplug:green:wifi", - .gpio = 48, - .active_low = 1, - }, - { - .name = "dreamplug:green:wifi_ap", - .gpio = 49, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dreamplug_led_data = { - .leds = dreamplug_led_pins, - .num_leds = ARRAY_SIZE(dreamplug_led_pins), -}; - -static struct platform_device dreamplug_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dreamplug_led_data, - } -}; - static unsigned int dreamplug_mpp_config[] __initdata = { MPP0_SPI_SCn, MPP1_SPI_MOSI, @@ -137,15 +64,8 @@ void __init dreamplug_init(void) */ kirkwood_mpp_conf(dreamplug_mpp_config); - spi_register_board_info(dreamplug_spi_slave_info, - ARRAY_SIZE(dreamplug_spi_slave_info)); - kirkwood_spi_init(); - kirkwood_ehci_init(); kirkwood_ge00_init(&dreamplug_ge00_data); kirkwood_ge01_init(&dreamplug_ge01_data); - kirkwood_sata_init(&dreamplug_sata_data); kirkwood_sdio_init(&dreamplug_mvsdio_data); - - platform_device_register(&dreamplug_leds); } diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index edc3f8a9d45e..e4eb450de301 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -18,6 +18,7 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/bridge-regs.h> +#include <plat/irq.h> #include "common.h" static struct of_device_id kirkwood_dt_match_table[] __initdata = { @@ -25,6 +26,16 @@ static struct of_device_id kirkwood_dt_match_table[] __initdata = { { } }; +struct of_dev_auxdata kirkwood_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL), + OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0", + NULL), + OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL), + OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL), + OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL), + {}, +}; + static void __init kirkwood_dt_init(void) { pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk); @@ -47,7 +58,6 @@ static void __init kirkwood_dt_init(void) kirkwood_clk_init(); /* internal devices that every board has */ - kirkwood_wdt_init(); kirkwood_xor0_init(); kirkwood_xor1_init(); kirkwood_crypto_init(); @@ -68,7 +78,17 @@ static void __init kirkwood_dt_init(void) if (of_machine_is_compatible("raidsonic,ib-nas62x0")) ib62x0_init(); - of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL); + if (of_machine_is_compatible("qnap,ts219")) + qnap_dt_ts219_init(); + + if (of_machine_is_compatible("seagate,goflexnet")) + goflexnet_init(); + + if (of_machine_is_compatible("buffalo,lsxl")) + lsxl_init(); + + of_platform_populate(NULL, kirkwood_dt_match_table, + kirkwood_auxdata_lookup, NULL); } static const char *kirkwood_dt_board_compat[] = { @@ -77,6 +97,9 @@ static const char *kirkwood_dt_board_compat[] = { "dlink,dns-325", "iom,iconnect", "raidsonic,ib-nas62x0", + "qnap,ts219", + "seagate,goflexnet", + "buffalo,lsxl", NULL }; @@ -84,7 +107,7 @@ DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)") /* Maintainer: Jason Cooper <jason@lakedaemon.net> */ .map_io = kirkwood_map_io, .init_early = kirkwood_init_early, - .init_irq = kirkwood_init_irq, + .init_irq = orion_dt_init_irq, .timer = &kirkwood_timer, .init_machine = kirkwood_dt_init, .restart = kirkwood_restart, diff --git a/arch/arm/mach-kirkwood/board-goflexnet.c b/arch/arm/mach-kirkwood/board-goflexnet.c new file mode 100644 index 000000000000..413e2c8ef5fe --- /dev/null +++ b/arch/arm/mach-kirkwood/board-goflexnet.c @@ -0,0 +1,71 @@ +/* + * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net> + * + * arch/arm/mach-kirkwood/board-goflexnet.c + * + * Seagate GoFlext Net Board Init for drivers not converted to + * flattened device tree yet. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Copied and modified for Seagate GoFlex Net support by + * Joshua Coombs <josh.coombs@gmail.com> based on ArchLinux ARM's + * GoFlex kernel patches. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/gpio.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <mach/kirkwood.h> +#include <mach/bridge-regs.h> +#include <plat/mvsdio.h> +#include "common.h" +#include "mpp.h" + +static struct mv643xx_eth_platform_data goflexnet_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static unsigned int goflexnet_mpp_config[] __initdata = { + MPP29_GPIO, /* USB Power Enable */ + MPP47_GPIO, /* LED Orange */ + MPP46_GPIO, /* LED Green */ + MPP45_GPIO, /* LED Left Capacity 3 */ + MPP44_GPIO, /* LED Left Capacity 2 */ + MPP43_GPIO, /* LED Left Capacity 1 */ + MPP42_GPIO, /* LED Left Capacity 0 */ + MPP41_GPIO, /* LED Right Capacity 3 */ + MPP40_GPIO, /* LED Right Capacity 2 */ + MPP39_GPIO, /* LED Right Capacity 1 */ + MPP38_GPIO, /* LED Right Capacity 0 */ + 0 +}; + +void __init goflexnet_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_mpp_conf(goflexnet_mpp_config); + + if (gpio_request(29, "USB Power Enable") != 0 || + gpio_direction_output(29, 1) != 0) + pr_err("can't setup GPIO 29 (USB Power Enable)\n"); + kirkwood_ehci_init(); + + kirkwood_ge00_init(&goflexnet_ge00_data); +} diff --git a/arch/arm/mach-kirkwood/board-ib62x0.c b/arch/arm/mach-kirkwood/board-ib62x0.c index eddf1df8891f..cfc47f80e734 100644 --- a/arch/arm/mach-kirkwood/board-ib62x0.c +++ b/arch/arm/mach-kirkwood/board-ib62x0.c @@ -18,9 +18,7 @@ #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/gpio.h> -#include <linux/gpio_keys.h> #include <linux/input.h> -#include <linux/leds.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/kirkwood.h> @@ -33,10 +31,6 @@ static struct mv643xx_eth_platform_data ib62x0_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; -static struct mv_sata_platform_data ib62x0_sata_data = { - .n_ports = 2, -}; - static unsigned int ib62x0_mpp_config[] __initdata = { MPP0_NF_IO2, MPP1_NF_IO3, @@ -55,69 +49,6 @@ static unsigned int ib62x0_mpp_config[] __initdata = { 0 }; -static struct gpio_led ib62x0_led_pins[] = { - { - .name = "ib62x0:green:os", - .default_trigger = "default-on", - .gpio = 25, - .active_low = 0, - }, - { - .name = "ib62x0:red:os", - .default_trigger = "none", - .gpio = 22, - .active_low = 0, - }, - { - .name = "ib62x0:red:usb_copy", - .default_trigger = "none", - .gpio = 27, - .active_low = 0, - }, -}; - -static struct gpio_led_platform_data ib62x0_led_data = { - .leds = ib62x0_led_pins, - .num_leds = ARRAY_SIZE(ib62x0_led_pins), -}; - -static struct platform_device ib62x0_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &ib62x0_led_data, - } -}; - -static struct gpio_keys_button ib62x0_button_pins[] = { - { - .code = KEY_COPY, - .gpio = 29, - .desc = "USB Copy", - .active_low = 1, - }, - { - .code = KEY_RESTART, - .gpio = 28, - .desc = "Reset", - .active_low = 1, - }, -}; - -static struct gpio_keys_platform_data ib62x0_button_data = { - .buttons = ib62x0_button_pins, - .nbuttons = ARRAY_SIZE(ib62x0_button_pins), -}; - -static struct platform_device ib62x0_button_device = { - .name = "gpio-keys", - .id = -1, - .num_resources = 0, - .dev = { - .platform_data = &ib62x0_button_data, - } -}; - static void ib62x0_power_off(void) { gpio_set_value(IB62X0_GPIO_POWER_OFF, 1); @@ -132,9 +63,6 @@ void __init ib62x0_init(void) kirkwood_ehci_init(); kirkwood_ge00_init(&ib62x0_ge00_data); - kirkwood_sata_init(&ib62x0_sata_data); - platform_device_register(&ib62x0_led_device); - platform_device_register(&ib62x0_button_device); if (gpio_request(IB62X0_GPIO_POWER_OFF, "ib62x0:power:off") == 0 && gpio_direction_output(IB62X0_GPIO_POWER_OFF, 0) == 0) pm_power_off = ib62x0_power_off; diff --git a/arch/arm/mach-kirkwood/board-iconnect.c b/arch/arm/mach-kirkwood/board-iconnect.c index b0d3cc49269d..d7a9198ed300 100644 --- a/arch/arm/mach-kirkwood/board-iconnect.c +++ b/arch/arm/mach-kirkwood/board-iconnect.c @@ -19,8 +19,6 @@ #include <linux/mtd/partitions.h> #include <linux/mv643xx_eth.h> #include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/i2c.h> #include <linux/input.h> #include <linux/gpio_keys.h> #include <asm/mach/arch.h> @@ -32,50 +30,6 @@ static struct mv643xx_eth_platform_data iconnect_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(11), }; -static struct gpio_led iconnect_led_pins[] = { - { - .name = "led_level", - .gpio = 41, - .default_trigger = "default-on", - }, { - .name = "power:blue", - .gpio = 42, - .default_trigger = "timer", - }, { - .name = "power:red", - .gpio = 43, - }, { - .name = "usb1:blue", - .gpio = 44, - }, { - .name = "usb2:blue", - .gpio = 45, - }, { - .name = "usb3:blue", - .gpio = 46, - }, { - .name = "usb4:blue", - .gpio = 47, - }, { - .name = "otb:blue", - .gpio = 48, - }, -}; - -static struct gpio_led_platform_data iconnect_led_data = { - .leds = iconnect_led_pins, - .num_leds = ARRAY_SIZE(iconnect_led_pins), - .gpio_blink_set = orion_gpio_led_blink_set, -}; - -static struct platform_device iconnect_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &iconnect_led_data, - } -}; - static unsigned int iconnect_mpp_config[] __initdata = { MPP12_GPIO, MPP35_GPIO, @@ -90,12 +44,6 @@ static unsigned int iconnect_mpp_config[] __initdata = { 0 }; -static struct i2c_board_info __initdata iconnect_board_info[] = { - { - I2C_BOARD_INFO("lm63", 0x4c), - }, -}; - static struct mtd_partition iconnect_nand_parts[] = { { .name = "flash", @@ -142,15 +90,11 @@ void __init iconnect_init(void) { kirkwood_mpp_conf(iconnect_mpp_config); kirkwood_nand_init(ARRAY_AND_SIZE(iconnect_nand_parts), 25); - kirkwood_i2c_init(); - i2c_register_board_info(0, iconnect_board_info, - ARRAY_SIZE(iconnect_board_info)); kirkwood_ehci_init(); kirkwood_ge00_init(&iconnect_ge00_data); platform_device_register(&iconnect_button_device); - platform_device_register(&iconnect_leds); } static int __init iconnect_pci_init(void) diff --git a/arch/arm/mach-kirkwood/board-lsxl.c b/arch/arm/mach-kirkwood/board-lsxl.c new file mode 100644 index 000000000000..83d8975592f8 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-lsxl.c @@ -0,0 +1,135 @@ +/* + * Copyright 2012 (C), Michael Walle <michael@walle.cc> + * + * arch/arm/mach-kirkwood/board-lsxl.c + * + * Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not + * converted to flattened device tree yet. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/ata_platform.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/mv643xx_eth.h> +#include <linux/gpio.h> +#include <linux/gpio-fan.h> +#include <linux/input.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" + +static struct mv643xx_eth_platform_data lsxl_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static struct mv643xx_eth_platform_data lsxl_ge01_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static unsigned int lsxl_mpp_config[] __initdata = { + MPP10_GPO, /* HDD Power Enable */ + MPP11_GPIO, /* USB Vbus Enable */ + MPP18_GPO, /* FAN High Enable# */ + MPP19_GPO, /* FAN Low Enable# */ + MPP36_GPIO, /* Function Blue LED */ + MPP37_GPIO, /* Alarm LED */ + MPP38_GPIO, /* Info LED */ + MPP39_GPIO, /* Power LED */ + MPP40_GPIO, /* Fan Lock */ + MPP41_GPIO, /* Function Button */ + MPP42_GPIO, /* Power Switch */ + MPP43_GPIO, /* Power Auto Switch */ + MPP48_GPIO, /* Function Red LED */ + 0 +}; + +#define LSXL_GPIO_FAN_HIGH 18 +#define LSXL_GPIO_FAN_LOW 19 +#define LSXL_GPIO_FAN_LOCK 40 + +static struct gpio_fan_alarm lsxl_alarm = { + .gpio = LSXL_GPIO_FAN_LOCK, +}; + +static struct gpio_fan_speed lsxl_speeds[] = { + { + .rpm = 0, + .ctrl_val = 3, + }, { + .rpm = 1500, + .ctrl_val = 1, + }, { + .rpm = 3250, + .ctrl_val = 2, + }, { + .rpm = 5000, + .ctrl_val = 0, + } +}; + +static int lsxl_gpio_list[] = { + LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW, +}; + +static struct gpio_fan_platform_data lsxl_fan_data = { + .num_ctrl = ARRAY_SIZE(lsxl_gpio_list), + .ctrl = lsxl_gpio_list, + .alarm = &lsxl_alarm, + .num_speed = ARRAY_SIZE(lsxl_speeds), + .speed = lsxl_speeds, +}; + +static struct platform_device lsxl_fan_device = { + .name = "gpio-fan", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &lsxl_fan_data, + }, +}; + +/* + * On the LS-XHL/LS-CHLv2, the shutdown process is following: + * - Userland monitors key events until the power switch goes to off position + * - The board reboots + * - U-boot starts and goes into an idle mode waiting for the user + * to move the switch to ON position + * + */ +static void lsxl_power_off(void) +{ + kirkwood_restart('h', NULL); +} + +#define LSXL_GPIO_HDD_POWER 10 +#define LSXL_GPIO_USB_POWER 11 + +void __init lsxl_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_mpp_conf(lsxl_mpp_config); + + /* usb and sata power on */ + gpio_set_value(LSXL_GPIO_USB_POWER, 1); + gpio_set_value(LSXL_GPIO_HDD_POWER, 1); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&lsxl_ge00_data); + kirkwood_ge01_init(&lsxl_ge01_data); + platform_device_register(&lsxl_fan_device); + + /* register power-off method */ + pm_power_off = lsxl_power_off; +} diff --git a/arch/arm/mach-kirkwood/board-ts219.c b/arch/arm/mach-kirkwood/board-ts219.c new file mode 100644 index 000000000000..1750e68506c1 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-ts219.c @@ -0,0 +1,82 @@ +/* + * + * QNAP TS-11x/TS-21x Turbo NAS Board Setup via DT + * + * Copyright (C) 2012 Andrew Lunn <andrew@lunn.ch> + * + * Based on the board file ts219-setup.c: + * + * Copyright (C) 2009 Martin Michlmayr <tbm@cyrius.com> + * Copyright (C) 2008 Byron Bradley <byron.bbradley@gmail.com> + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mv643xx_eth.h> +#include <linux/ata_platform.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" +#include "tsx1x-common.h" + +static struct mv643xx_eth_platform_data qnap_ts219_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static unsigned int qnap_ts219_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP4_SATA1_ACTn, + MPP5_SATA0_ACTn, + MPP8_TW0_SDA, + MPP9_TW0_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP13_UART1_TXD, /* PIC controller */ + MPP14_UART1_RXD, /* PIC controller */ + MPP15_GPIO, /* USB Copy button (on devices with 88F6281) */ + MPP16_GPIO, /* Reset button (on devices with 88F6281) */ + MPP36_GPIO, /* RAM: 0: 256 MB, 1: 512 MB */ + MPP37_GPIO, /* Reset button (on devices with 88F6282) */ + MPP43_GPIO, /* USB Copy button (on devices with 88F6282) */ + MPP44_GPIO, /* Board ID: 0: TS-11x, 1: TS-21x */ + 0 +}; + +void __init qnap_dt_ts219_init(void) +{ + u32 dev, rev; + + kirkwood_mpp_conf(qnap_ts219_mpp_config); + + kirkwood_pcie_id(&dev, &rev); + if (dev == MV88F6282_DEV_ID) + qnap_ts219_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0); + + kirkwood_ge00_init(&qnap_ts219_ge00_data); + kirkwood_ehci_init(); + + pm_power_off = qnap_tsx1x_power_off; +} + +/* FIXME: Will not work with DT. Maybe use MPP40_GPIO? */ +static int __init ts219_pci_init(void) +{ + if (machine_is_ts219()) + kirkwood_pcie_init(KW_PCIE0); + + return 0; +} +subsys_initcall(ts219_pci_init); diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index c9201539ffbd..c4b64adcbfce 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -17,6 +17,7 @@ #include <linux/dma-mapping.h> #include <linux/clk-provider.h> #include <linux/spinlock.h> +#include <linux/mv643xx_i2c.h> #include <net/dsa.h> #include <asm/page.h> #include <asm/timex.h> @@ -276,6 +277,7 @@ void __init kirkwood_clk_init(void) orion_clkdev_add("0", "pcie", pex0); orion_clkdev_add("1", "pcie", pex1); orion_clkdev_add(NULL, "kirkwood-i2s", audio); + orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", runit); /* Marvell says runit is used by SPI, UART, NAND, TWSI, ..., * so should never be gated. diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 9248fa2c165b..304dd1abfdca 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -58,6 +58,11 @@ void dreamplug_init(void); #else static inline void dreamplug_init(void) {}; #endif +#ifdef CONFIG_MACH_TS219_DT +void qnap_dt_ts219_init(void); +#else +static inline void qnap_dt_ts219_init(void) {}; +#endif #ifdef CONFIG_MACH_DLINK_KIRKWOOD_DT void dnskw_init(void); @@ -77,6 +82,18 @@ void ib62x0_init(void); static inline void ib62x0_init(void) {}; #endif +#ifdef CONFIG_MACH_GOFLEXNET_DT +void goflexnet_init(void); +#else +static inline void goflexnet_init(void) {}; +#endif + +#ifdef CONFIG_MACH_LSXL_DT +void lsxl_init(void); +#else +static inline void lsxl_init(void) {}; +#endif + /* early init functions not converted to fdt yet */ char *kirkwood_id(void); void kirkwood_l2_init(void); diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c index c4c68e5b94f1..720063ffa19d 100644 --- a/arch/arm/mach-kirkwood/irq.c +++ b/arch/arm/mach-kirkwood/irq.c @@ -9,20 +9,23 @@ */ #include <linux/gpio.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/irq.h> -#include <linux/io.h> #include <mach/bridge-regs.h> #include <plat/irq.h> -#include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - BUG_ON(irq < IRQ_KIRKWOOD_GPIO_LOW_0_7); - BUG_ON(irq > IRQ_KIRKWOOD_GPIO_HIGH_16_23); +static int __initdata gpio0_irqs[4] = { + IRQ_KIRKWOOD_GPIO_LOW_0_7, + IRQ_KIRKWOOD_GPIO_LOW_8_15, + IRQ_KIRKWOOD_GPIO_LOW_16_23, + IRQ_KIRKWOOD_GPIO_LOW_24_31, +}; - orion_gpio_irq_handler((irq - IRQ_KIRKWOOD_GPIO_LOW_0_7) << 3); -} +static int __initdata gpio1_irqs[4] = { + IRQ_KIRKWOOD_GPIO_HIGH_0_7, + IRQ_KIRKWOOD_GPIO_HIGH_8_15, + IRQ_KIRKWOOD_GPIO_HIGH_16_23, + 0, +}; void __init kirkwood_init_irq(void) { @@ -32,17 +35,8 @@ void __init kirkwood_init_irq(void) /* * Initialize gpiolib for GPIOs 0-49. */ - orion_gpio_init(0, 32, GPIO_LOW_VIRT_BASE, 0, - IRQ_KIRKWOOD_GPIO_START); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_24_31, gpio_irq_handler); - - orion_gpio_init(32, 18, GPIO_HIGH_VIRT_BASE, 0, - IRQ_KIRKWOOD_GPIO_START + 32); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_16_23, - gpio_irq_handler); + orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_LOW_VIRT_BASE, 0, + IRQ_KIRKWOOD_GPIO_START, gpio0_irqs); + orion_gpio_init(NULL, 32, 18, (void __iomem *)GPIO_HIGH_VIRT_BASE, 0, + IRQ_KIRKWOOD_GPIO_START + 32, gpio1_irqs); } diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c index f516e74ce0d5..5c3d61ee729a 100644 --- a/arch/arm/mach-mmp/gplugd.c +++ b/arch/arm/mach-mmp/gplugd.c @@ -14,6 +14,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> +#include <mach/irqs.h> #include <mach/pxa168.h> #include <mach/mfp-pxa168.h> diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c index e421b701663b..eff9a750bbe2 100644 --- a/arch/arm/mach-mv78xx0/irq.c +++ b/arch/arm/mach-mv78xx0/irq.c @@ -9,19 +9,17 @@ */ #include <linux/gpio.h> #include <linux/kernel.h> -#include <linux/init.h> -#include <linux/pci.h> #include <linux/irq.h> #include <mach/bridge-regs.h> #include <plat/irq.h> #include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - BUG_ON(irq < IRQ_MV78XX0_GPIO_0_7 || irq > IRQ_MV78XX0_GPIO_24_31); - - orion_gpio_irq_handler((irq - IRQ_MV78XX0_GPIO_0_7) << 3); -} +static int __initdata gpio0_irqs[4] = { + IRQ_MV78XX0_GPIO_0_7, + IRQ_MV78XX0_GPIO_8_15, + IRQ_MV78XX0_GPIO_16_23, + IRQ_MV78XX0_GPIO_24_31, +}; void __init mv78xx0_init_irq(void) { @@ -34,11 +32,7 @@ void __init mv78xx0_init_irq(void) * registers for core #1 are at an offset of 0x18 from those of * core #0.) */ - orion_gpio_init(0, 32, GPIO_VIRT_BASE, + orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_VIRT_BASE, mv78xx0_core_index() ? 0x18 : 0, - IRQ_MV78XX0_GPIO_START); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_24_31, gpio_irq_handler); + IRQ_MV78XX0_GPIO_START, gpio0_irqs); } diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c index da0e37d40823..e1362ce48497 100644 --- a/arch/arm/mach-omap1/board-h2-mmc.c +++ b/arch/arm/mach-omap1/board-h2-mmc.c @@ -54,7 +54,6 @@ static struct omap_mmc_platform_data mmc1_data = { .nr_slots = 1, .init = mmc_late_init, .cleanup = mmc_cleanup, - .dma_mask = 0xffffffff, .slots[0] = { .set_power = mmc_set_power, .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c index f8242aa9b763..c74daace8cd6 100644 --- a/arch/arm/mach-omap1/board-h3-mmc.c +++ b/arch/arm/mach-omap1/board-h3-mmc.c @@ -36,7 +36,6 @@ static int mmc_set_power(struct device *dev, int slot, int power_on, */ static struct omap_mmc_platform_data mmc1_data = { .nr_slots = 1, - .dma_mask = 0xffffffff, .slots[0] = { .set_power = mmc_set_power, .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index 4007a372481b..2c0ca8fc3380 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -185,7 +185,6 @@ static int nokia770_mmc_get_cover_state(struct device *dev, int slot) static struct omap_mmc_platform_data nokia770_mmc2_data = { .nr_slots = 1, - .dma_mask = 0xffffffff, .max_freq = 12000000, .slots[0] = { .set_power = nokia770_mmc_set_power, diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c index cc71a26723ef..355980321c2d 100644 --- a/arch/arm/mach-omap1/board-palmz71.c +++ b/arch/arm/mach-omap1/board-palmz71.c @@ -288,8 +288,7 @@ palmz71_gpio_setup(int early) } gpio_direction_input(PALMZ71_USBDETECT_GPIO); if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO), - palmz71_powercable, IRQF_SAMPLE_RANDOM, - "palmz71-cable", NULL)) + palmz71_powercable, 0, "palmz71-cable", NULL)) printk(KERN_ERR "IRQ request for power cable failed!\n"); palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL); diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index dd0fbf76ac79..dd2db025f778 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -62,6 +62,7 @@ config ARCH_OMAP4 select PM_OPP if PM select USB_ARCH_HAS_EHCI if USB_SUPPORT select ARM_CPU_SUSPEND if PM + select ARCH_NEEDS_CPU_IDLE_COUPLED config SOC_OMAP5 bool "TI OMAP5" diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 2c5d0ed75285..677357ff61ac 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -468,7 +468,6 @@ static struct omap_mmc_platform_data mmc1_data = { .cleanup = n8x0_mmc_cleanup, .shutdown = n8x0_mmc_shutdown, .max_freq = 24000000, - .dma_mask = 0xffffffff, .slots[0] = { .wires = 4, .set_power = n8x0_mmc_set_power, diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 02d15bbd4e35..ee05e193fc61 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -21,6 +21,7 @@ #include "common.h" #include "pm.h" #include "prm.h" +#include "clockdomain.h" /* Machine specific information */ struct omap4_idle_statedata { @@ -47,10 +48,14 @@ static struct omap4_idle_statedata omap4_idle_data[] = { }, }; -static struct powerdomain *mpu_pd, *cpu0_pd, *cpu1_pd; +static struct powerdomain *mpu_pd, *cpu_pd[NR_CPUS]; +static struct clockdomain *cpu_clkdm[NR_CPUS]; + +static atomic_t abort_barrier; +static bool cpu_done[NR_CPUS]; /** - * omap4_enter_idle - Programs OMAP4 to enter the specified state + * omap4_enter_idle_coupled_[simple/coupled] - OMAP4 cpuidle entry functions * @dev: cpuidle device * @drv: cpuidle driver * @index: the index of state to be entered @@ -59,60 +64,84 @@ static struct powerdomain *mpu_pd, *cpu0_pd, *cpu1_pd; * specified low power state selected by the governor. * Returns the amount of time spent in the low power state. */ -static int omap4_enter_idle(struct cpuidle_device *dev, +static int omap4_enter_idle_simple(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + local_fiq_disable(); + omap_do_wfi(); + local_fiq_enable(); + + return index; +} + +static int omap4_enter_idle_coupled(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct omap4_idle_statedata *cx = &omap4_idle_data[index]; - u32 cpu1_state; int cpu_id = smp_processor_id(); local_fiq_disable(); /* - * CPU0 has to stay ON (i.e in C1) until CPU1 is OFF state. + * CPU0 has to wait and stay ON until CPU1 is OFF state. * This is necessary to honour hardware recommondation * of triggeing all the possible low power modes once CPU1 is * out of coherency and in OFF mode. - * Update dev->last_state so that governor stats reflects right - * data. */ - cpu1_state = pwrdm_read_pwrst(cpu1_pd); - if (cpu1_state != PWRDM_POWER_OFF) { - index = drv->safe_state_index; - cx = &omap4_idle_data[index]; + if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) { + while (pwrdm_read_pwrst(cpu_pd[1]) != PWRDM_POWER_OFF) { + cpu_relax(); + + /* + * CPU1 could have already entered & exited idle + * without hitting off because of a wakeup + * or a failed attempt to hit off mode. Check for + * that here, otherwise we could spin forever + * waiting for CPU1 off. + */ + if (cpu_done[1]) + goto fail; + + } } - if (index > 0) - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id); /* * Call idle CPU PM enter notifier chain so that * VFP and per CPU interrupt context is saved. */ - if (cx->cpu_state == PWRDM_POWER_OFF) - cpu_pm_enter(); - - pwrdm_set_logic_retst(mpu_pd, cx->mpu_logic_state); - omap_set_pwrdm_state(mpu_pd, cx->mpu_state); - - /* - * Call idle CPU cluster PM enter notifier chain - * to save GIC and wakeupgen context. - */ - if ((cx->mpu_state == PWRDM_POWER_RET) && - (cx->mpu_logic_state == PWRDM_POWER_OFF)) - cpu_cluster_pm_enter(); + cpu_pm_enter(); + + if (dev->cpu == 0) { + pwrdm_set_logic_retst(mpu_pd, cx->mpu_logic_state); + omap_set_pwrdm_state(mpu_pd, cx->mpu_state); + + /* + * Call idle CPU cluster PM enter notifier chain + * to save GIC and wakeupgen context. + */ + if ((cx->mpu_state == PWRDM_POWER_RET) && + (cx->mpu_logic_state == PWRDM_POWER_OFF)) + cpu_cluster_pm_enter(); + } omap4_enter_lowpower(dev->cpu, cx->cpu_state); + cpu_done[dev->cpu] = true; + + /* Wakeup CPU1 only if it is not offlined */ + if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) { + clkdm_wakeup(cpu_clkdm[1]); + clkdm_allow_idle(cpu_clkdm[1]); + } /* * Call idle CPU PM exit notifier chain to restore - * VFP and per CPU IRQ context. Only CPU0 state is - * considered since CPU1 is managed by CPU hotplug. + * VFP and per CPU IRQ context. */ - if (pwrdm_read_prev_pwrst(cpu0_pd) == PWRDM_POWER_OFF) - cpu_pm_exit(); + cpu_pm_exit(); /* * Call idle CPU cluster PM exit notifier chain @@ -121,8 +150,11 @@ static int omap4_enter_idle(struct cpuidle_device *dev, if (omap4_mpuss_read_prev_context_state()) cpu_cluster_pm_exit(); - if (index > 0) - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id); + +fail: + cpuidle_coupled_parallel_barrier(dev, &abort_barrier); + cpu_done[dev->cpu] = false; local_fiq_enable(); @@ -141,7 +173,7 @@ struct cpuidle_driver omap4_idle_driver = { .exit_latency = 2 + 2, .target_residency = 5, .flags = CPUIDLE_FLAG_TIME_VALID, - .enter = omap4_enter_idle, + .enter = omap4_enter_idle_simple, .name = "C1", .desc = "MPUSS ON" }, @@ -149,8 +181,8 @@ struct cpuidle_driver omap4_idle_driver = { /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */ .exit_latency = 328 + 440, .target_residency = 960, - .flags = CPUIDLE_FLAG_TIME_VALID, - .enter = omap4_enter_idle, + .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, + .enter = omap4_enter_idle_coupled, .name = "C2", .desc = "MPUSS CSWR", }, @@ -158,8 +190,8 @@ struct cpuidle_driver omap4_idle_driver = { /* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */ .exit_latency = 460 + 518, .target_residency = 1100, - .flags = CPUIDLE_FLAG_TIME_VALID, - .enter = omap4_enter_idle, + .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, + .enter = omap4_enter_idle_coupled, .name = "C3", .desc = "MPUSS OSWR", }, @@ -168,6 +200,16 @@ struct cpuidle_driver omap4_idle_driver = { .safe_state_index = 0, }; +/* + * For each cpu, setup the broadcast timer because local timers + * stops for the states above C1. + */ +static void omap_setup_broadcast_timer(void *arg) +{ + int cpu = smp_processor_id(); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu); +} + /** * omap4_idle_init - Init routine for OMAP4 idle * @@ -180,19 +222,30 @@ int __init omap4_idle_init(void) unsigned int cpu_id = 0; mpu_pd = pwrdm_lookup("mpu_pwrdm"); - cpu0_pd = pwrdm_lookup("cpu0_pwrdm"); - cpu1_pd = pwrdm_lookup("cpu1_pwrdm"); - if ((!mpu_pd) || (!cpu0_pd) || (!cpu1_pd)) + cpu_pd[0] = pwrdm_lookup("cpu0_pwrdm"); + cpu_pd[1] = pwrdm_lookup("cpu1_pwrdm"); + if ((!mpu_pd) || (!cpu_pd[0]) || (!cpu_pd[1])) return -ENODEV; - dev = &per_cpu(omap4_idle_dev, cpu_id); - dev->cpu = cpu_id; + cpu_clkdm[0] = clkdm_lookup("mpu0_clkdm"); + cpu_clkdm[1] = clkdm_lookup("mpu1_clkdm"); + if (!cpu_clkdm[0] || !cpu_clkdm[1]) + return -ENODEV; + + /* Configure the broadcast timer on each cpu */ + on_each_cpu(omap_setup_broadcast_timer, NULL, 1); + + for_each_cpu(cpu_id, cpu_online_mask) { + dev = &per_cpu(omap4_idle_dev, cpu_id); + dev->cpu = cpu_id; + dev->coupled_cpus = *cpu_online_mask; - cpuidle_register_driver(&omap4_idle_driver); + cpuidle_register_driver(&omap4_idle_driver); - if (cpuidle_register_device(dev)) { - pr_err("%s: CPUidle register device failed\n", __func__); - return -EIO; + if (cpuidle_register_device(dev)) { + pr_err("%s: CPUidle register failed\n", __func__); + return -EIO; + } } return 0; diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 5fb47a14f4ba..af1ed7d24a1f 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -37,6 +37,7 @@ #define DISPC_CONTROL 0x0040 #define DISPC_CONTROL2 0x0238 +#define DISPC_CONTROL3 0x0848 #define DISPC_IRQSTATUS 0x0018 #define DSS_SYSCONFIG 0x10 @@ -52,6 +53,7 @@ #define EVSYNC_EVEN_IRQ_SHIFT 2 #define EVSYNC_ODD_IRQ_SHIFT 3 #define FRAMEDONE2_IRQ_SHIFT 22 +#define FRAMEDONE3_IRQ_SHIFT 30 #define FRAMEDONETV_IRQ_SHIFT 24 /* @@ -376,7 +378,7 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) static void dispc_disable_outputs(void) { u32 v, irq_mask = 0; - bool lcd_en, digit_en, lcd2_en = false; + bool lcd_en, digit_en, lcd2_en = false, lcd3_en = false; int i; struct omap_dss_dispc_dev_attr *da; struct omap_hwmod *oh; @@ -405,7 +407,13 @@ static void dispc_disable_outputs(void) lcd2_en = v & LCD_EN_MASK; } - if (!(lcd_en | digit_en | lcd2_en)) + /* store value of LCDENABLE for LCD3 */ + if (da->manager_count > 3) { + v = omap_hwmod_read(oh, DISPC_CONTROL3); + lcd3_en = v & LCD_EN_MASK; + } + + if (!(lcd_en | digit_en | lcd2_en | lcd3_en)) return; /* no managers currently enabled */ /* @@ -426,10 +434,12 @@ static void dispc_disable_outputs(void) if (lcd2_en) irq_mask |= 1 << FRAMEDONE2_IRQ_SHIFT; + if (lcd3_en) + irq_mask |= 1 << FRAMEDONE3_IRQ_SHIFT; /* * clear any previous FRAMEDONE, FRAMEDONETV, - * EVSYNC_EVEN/ODD or FRAMEDONE2 interrupts + * EVSYNC_EVEN/ODD, FRAMEDONE2 or FRAMEDONE3 interrupts */ omap_hwmod_write(irq_mask, oh, DISPC_IRQSTATUS); @@ -445,12 +455,19 @@ static void dispc_disable_outputs(void) omap_hwmod_write(v, oh, DISPC_CONTROL2); } + /* disable LCD3 manager */ + if (da->manager_count > 3) { + v = omap_hwmod_read(oh, DISPC_CONTROL3); + v &= ~LCD_EN_MASK; + omap_hwmod_write(v, oh, DISPC_CONTROL3); + } + i = 0; while ((omap_hwmod_read(oh, DISPC_IRQSTATUS) & irq_mask) != irq_mask) { i++; if (i > FRAMEDONE_IRQ_TIMEOUT) { - pr_err("didn't get FRAMEDONE1/2 or TV interrupt\n"); + pr_err("didn't get FRAMEDONE1/2/3 or TV interrupt\n"); break; } mdelay(1); diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index be697d4e0843..a9675d8d1822 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -315,7 +315,6 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, mmc->slots[0].caps = c->caps; mmc->slots[0].pm_caps = c->pm_caps; mmc->slots[0].internal_clock = !c->ext_clock; - mmc->dma_mask = 0xffffffff; mmc->max_freq = c->max_freq; if (cpu_is_omap44xx()) mmc->reg_offset = OMAP4_MMC_REG_OFFSET; diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 13d20c8a283d..2ff6d41ec6c6 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -130,6 +130,7 @@ static struct clock_event_device clockevent_gpt = { .name = "gp_timer", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .shift = 32, + .rating = 300, .set_next_event = omap2_gp_timer_set_next_event, .set_mode = omap2_gp_timer_set_mode, }; @@ -223,7 +224,8 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, clockevent_delta2ns(3, &clockevent_gpt); /* Timer internal resynch latency. */ - clockevent_gpt.cpumask = cpumask_of(0); + clockevent_gpt.cpumask = cpu_possible_mask; + clockevent_gpt.irq = omap_dm_timer_get_irq(&clkev); clockevents_register_device(&clockevent_gpt); pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n", diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c index b1b45fff776e..17da7091d310 100644 --- a/arch/arm/mach-orion5x/irq.c +++ b/arch/arm/mach-orion5x/irq.c @@ -11,19 +11,16 @@ */ #include <linux/gpio.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/irq.h> -#include <linux/io.h> #include <mach/bridge-regs.h> #include <plat/irq.h> -#include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - BUG_ON(irq < IRQ_ORION5X_GPIO_0_7 || irq > IRQ_ORION5X_GPIO_24_31); - - orion_gpio_irq_handler((irq - IRQ_ORION5X_GPIO_0_7) << 3); -} +static int __initdata gpio0_irqs[4] = { + IRQ_ORION5X_GPIO_0_7, + IRQ_ORION5X_GPIO_8_15, + IRQ_ORION5X_GPIO_16_23, + IRQ_ORION5X_GPIO_24_31, +}; void __init orion5x_init_irq(void) { @@ -32,9 +29,6 @@ void __init orion5x_init_irq(void) /* * Initialize gpiolib for GPIOs 0-31. */ - orion_gpio_init(0, 32, GPIO_VIRT_BASE, 0, IRQ_ORION5X_GPIO_START); - irq_set_chained_handler(IRQ_ORION5X_GPIO_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_ORION5X_GPIO_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_ORION5X_GPIO_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_ORION5X_GPIO_24_31, gpio_irq_handler); + orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_VIRT_BASE, 0, + IRQ_ORION5X_GPIO_START, gpio0_irqs); } diff --git a/arch/arm/mach-prima2/timer.c b/arch/arm/mach-prima2/timer.c index 0d024b1e916d..f224107de7bc 100644 --- a/arch/arm/mach-prima2/timer.c +++ b/arch/arm/mach-prima2/timer.c @@ -132,11 +132,11 @@ static void sirfsoc_clocksource_resume(struct clocksource *cs) { int i; - for (i = 0; i < SIRFSOC_TIMER_REG_CNT; i++) + for (i = 0; i < SIRFSOC_TIMER_REG_CNT - 2; i++) writel_relaxed(sirfsoc_timer_reg_val[i], sirfsoc_timer_base + sirfsoc_timer_reg_list[i]); - writel_relaxed(sirfsoc_timer_reg_val[i - 2], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO); - writel_relaxed(sirfsoc_timer_reg_val[i - 1], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI); + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 2], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO); + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 1], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI); } static struct clock_event_device sirfsoc_clockevent = { diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 6bb3f47b1f14..0ca0db787903 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -456,7 +456,7 @@ static int lubbock_mci_init(struct device *dev, init_timer(&mmc_timer); mmc_timer.data = (unsigned long) data; return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, - IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data); + 0, "lubbock-sd-detect", data); } static int lubbock_mci_get_ro(struct device *dev) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 2db697cd2b4e..39561dcf65f2 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -633,9 +633,8 @@ static struct platform_device bq24022 = { static int magician_mci_init(struct device *dev, irq_handler_t detect_irq, void *data) { - return request_irq(IRQ_MAGICIAN_SD, detect_irq, - IRQF_DISABLED | IRQF_SAMPLE_RANDOM, - "mmc card detect", data); + return request_irq(IRQ_MAGICIAN_SD, detect_irq, IRQF_DISABLED, + "mmc card detect", data); } static void magician_mci_exit(struct device *dev, void *data) diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 2b6ac00b2cd9..166dd32cc1d3 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -332,8 +332,8 @@ static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, int err; err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, - IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM, - "MMC card detect", data); + IRQF_DISABLED | IRQF_TRIGGER_RISING, + "MMC card detect", data); if (err) { printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request" "MMC card detect IRQ\n"); diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c index 0f882ecb7d81..6ec300549960 100644 --- a/arch/arm/mach-spear3xx/spear300.c +++ b/arch/arm/mach-spear3xx/spear300.c @@ -120,182 +120,156 @@ struct pl08x_channel_data spear300_dma_info[] = { .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, }; diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c index bbcf4571d361..1d0e435b9045 100644 --- a/arch/arm/mach-spear3xx/spear310.c +++ b/arch/arm/mach-spear3xx/spear310.c @@ -205,182 +205,156 @@ struct pl08x_channel_data spear310_dma_info[] = { .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart2_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart2_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart3_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart3_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart4_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart4_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart5_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart5_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, }; diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c index 88d483bcd66a..fd823c624575 100644 --- a/arch/arm/mach-spear3xx/spear320.c +++ b/arch/arm/mach-spear3xx/spear320.c @@ -213,182 +213,156 @@ struct pl08x_channel_data spear320_dma_info[] = { .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c0_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c0_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp1_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp1_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp2_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp2_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart1_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart1_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart2_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart2_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c1_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c1_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c2_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c2_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2s_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2s_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "rs485_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "rs485_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, }; diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c index 66db5f13af84..98144baf8883 100644 --- a/arch/arm/mach-spear3xx/spear3xx.c +++ b/arch/arm/mach-spear3xx/spear3xx.c @@ -46,7 +46,8 @@ struct pl022_ssp_controller pl022_plat_data = { struct pl08x_platform_data pl080_plat_data = { .memcpy_channel = { .bus_id = "memcpy", - .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ + .cctl_memcpy = + (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \ diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c index 9af67d003c62..5a5a52db252b 100644 --- a/arch/arm/mach-spear6xx/spear6xx.c +++ b/arch/arm/mach-spear6xx/spear6xx.c @@ -36,336 +36,288 @@ static struct pl08x_channel_data spear600_dma_info[] = { .min_signal = 0, .max_signal = 0, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp1_tx", .min_signal = 1, .max_signal = 1, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_rx", .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_rx", .min_signal = 4, .max_signal = 4, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_tx", .min_signal = 5, .max_signal = 5, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp2_rx", .min_signal = 6, .max_signal = 6, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp2_tx", .min_signal = 7, .max_signal = 7, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ext0_rx", .min_signal = 0, .max_signal = 0, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext0_tx", .min_signal = 1, .max_signal = 1, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext1_rx", .min_signal = 2, .max_signal = 2, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext1_tx", .min_signal = 3, .max_signal = 3, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext2_rx", .min_signal = 4, .max_signal = 4, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext2_tx", .min_signal = 5, .max_signal = 5, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext3_rx", .min_signal = 6, .max_signal = 6, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext3_tx", .min_signal = 7, .max_signal = 7, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext4_rx", .min_signal = 8, .max_signal = 8, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext4_tx", .min_signal = 9, .max_signal = 9, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext5_rx", .min_signal = 10, .max_signal = 10, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext5_tx", .min_signal = 11, .max_signal = 11, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext6_rx", .min_signal = 12, .max_signal = 12, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext6_tx", .min_signal = 13, .max_signal = 13, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext7_rx", .min_signal = 14, .max_signal = 14, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext7_tx", .min_signal = 15, .max_signal = 15, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, }; @@ -373,7 +325,8 @@ static struct pl08x_channel_data spear600_dma_info[] = { struct pl08x_platform_data pl080_plat_data = { .memcpy_channel = { .bus_id = "memcpy", - .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ + .cctl_memcpy = + (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \ diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S index 845f461f8ec1..c2021139cb56 100644 --- a/arch/arm/mm/tlb-v7.S +++ b/arch/arm/mm/tlb-v7.S @@ -38,11 +38,19 @@ ENTRY(v7wbi_flush_user_tlb_range) dsb mov r0, r0, lsr #PAGE_SHIFT @ align address mov r1, r1, lsr #PAGE_SHIFT +#ifdef CONFIG_ARM_ERRATA_720789 + mov r3, #0 +#else asid r3, r3 @ mask ASID +#endif orr r0, r3, r0, lsl #PAGE_SHIFT @ Create initial MVA mov r1, r1, lsl #PAGE_SHIFT 1: +#ifdef CONFIG_ARM_ERRATA_720789 + ALT_SMP(mcr p15, 0, r0, c8, c3, 3) @ TLB invalidate U MVA all ASID (shareable) +#else ALT_SMP(mcr p15, 0, r0, c8, c3, 1) @ TLB invalidate U MVA (shareable) +#endif ALT_UP(mcr p15, 0, r0, c8, c7, 1) @ TLB invalidate U MVA add r0, r0, #PAGE_SZ @@ -67,7 +75,11 @@ ENTRY(v7wbi_flush_kern_tlb_range) mov r0, r0, lsl #PAGE_SHIFT mov r1, r1, lsl #PAGE_SHIFT 1: +#ifdef CONFIG_ARM_ERRATA_720789 + ALT_SMP(mcr p15, 0, r0, c8, c3, 3) @ TLB invalidate U MVA all ASID (shareable) +#else ALT_SMP(mcr p15, 0, r0, c8, c3, 1) @ TLB invalidate U MVA (shareable) +#endif ALT_UP(mcr p15, 0, r0, c8, c7, 1) @ TLB invalidate U MVA add r0, r0, #PAGE_SZ cmp r0, r1 diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index c2193178210b..3ed1adbc09f8 100644 --- a/arch/arm/plat-mxc/tzic.c +++ b/arch/arm/plat-mxc/tzic.c @@ -23,6 +23,7 @@ #include <mach/hardware.h> #include <mach/common.h> +#include <mach/irqs.h> #include "irq-common.h" diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index 5493bd95da5e..eb3e4d555343 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -81,8 +81,6 @@ struct omap_mmc_platform_data { /* Return context loss count due to PM states changing */ int (*get_context_loss_count)(struct device *dev); - u64 dma_mask; - /* Integrating attributes from the omap_hwmod layer */ u8 controller_flags; diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index c1793786aea9..d245a87dc014 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -47,6 +47,7 @@ void __init orion_clkdev_init(struct clk *tclk) orion_clkdev_add(NULL, MV643XX_ETH_NAME ".2", tclk); orion_clkdev_add(NULL, MV643XX_ETH_NAME ".3", tclk); orion_clkdev_add(NULL, "orion_wdt", tclk); + orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", tclk); } /* Fill in the resources structure and link it into the platform diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c index af95af257301..dfda74fae6f2 100644 --- a/arch/arm/plat-orion/gpio.c +++ b/arch/arm/plat-orion/gpio.c @@ -8,15 +8,22 @@ * warranty of any kind, whether express or implied. */ +#define DEBUG + #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/bitops.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/leds.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <plat/gpio.h> /* * GPIO unit register offsets. @@ -38,6 +45,7 @@ struct orion_gpio_chip { unsigned long valid_output; int mask_offset; int secondary_irq_base; + struct irq_domain *domain; }; static void __iomem *GPIO_OUT(struct orion_gpio_chip *ochip) @@ -222,10 +230,10 @@ static int orion_gpio_to_irq(struct gpio_chip *chip, unsigned pin) struct orion_gpio_chip *ochip = container_of(chip, struct orion_gpio_chip, chip); - return ochip->secondary_irq_base + pin; + return irq_create_mapping(ochip->domain, + ochip->secondary_irq_base + pin); } - /* * Orion-specific GPIO API extensions. */ @@ -353,12 +361,10 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type) int pin; u32 u; - pin = d->irq - gc->irq_base; + pin = d->hwirq - ochip->secondary_irq_base; u = readl(GPIO_IO_CONF(ochip)) & (1 << pin); if (!u) { - printk(KERN_ERR "orion gpio_irq_set_type failed " - "(irq %d, pin %d).\n", d->irq, pin); return -EINVAL; } @@ -397,17 +403,53 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type) u &= ~(1 << pin); /* rising */ writel(u, GPIO_IN_POL(ochip)); } - return 0; } -void __init orion_gpio_init(int gpio_base, int ngpio, - u32 base, int mask_offset, int secondary_irq_base) +static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) +{ + struct orion_gpio_chip *ochip = irq_get_handler_data(irq); + u32 cause, type; + int i; + + if (ochip == NULL) + return; + + cause = readl(GPIO_DATA_IN(ochip)) & readl(GPIO_LEVEL_MASK(ochip)); + cause |= readl(GPIO_EDGE_CAUSE(ochip)) & readl(GPIO_EDGE_MASK(ochip)); + + for (i = 0; i < ochip->chip.ngpio; i++) { + int irq; + + irq = ochip->secondary_irq_base + i; + + if (!(cause & (1 << i))) + continue; + + type = irqd_get_trigger_type(irq_get_irq_data(irq)); + if ((type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { + /* Swap polarity (race with GPIO line) */ + u32 polarity; + + polarity = readl(GPIO_IN_POL(ochip)); + polarity ^= 1 << i; + writel(polarity, GPIO_IN_POL(ochip)); + } + generic_handle_irq(irq); + } +} + +void __init orion_gpio_init(struct device_node *np, + int gpio_base, int ngpio, + void __iomem *base, int mask_offset, + int secondary_irq_base, + int irqs[4]) { struct orion_gpio_chip *ochip; struct irq_chip_generic *gc; struct irq_chip_type *ct; char gc_label[16]; + int i; if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips)) return; @@ -426,6 +468,10 @@ void __init orion_gpio_init(int gpio_base, int ngpio, ochip->chip.base = gpio_base; ochip->chip.ngpio = ngpio; ochip->chip.can_sleep = 0; +#ifdef CONFIG_OF + ochip->chip.of_node = np; +#endif + spin_lock_init(&ochip->lock); ochip->base = (void __iomem *)base; ochip->valid_input = 0; @@ -435,8 +481,6 @@ void __init orion_gpio_init(int gpio_base, int ngpio, gpiochip_add(&ochip->chip); - orion_gpio_chip_count++; - /* * Mask and clear GPIO interrupts. */ @@ -444,16 +488,28 @@ void __init orion_gpio_init(int gpio_base, int ngpio, writel(0, GPIO_EDGE_MASK(ochip)); writel(0, GPIO_LEVEL_MASK(ochip)); - gc = irq_alloc_generic_chip("orion_gpio_irq", 2, secondary_irq_base, + /* Setup the interrupt handlers. Each chip can have up to 4 + * interrupt handlers, with each handler dealing with 8 GPIO + * pins. */ + + for (i = 0; i < 4; i++) { + if (irqs[i]) { + irq_set_handler_data(irqs[i], ochip); + irq_set_chained_handler(irqs[i], gpio_irq_handler); + } + } + + gc = irq_alloc_generic_chip("orion_gpio_irq", 2, + secondary_irq_base, ochip->base, handle_level_irq); gc->private = ochip; - ct = gc->chip_types; ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF; ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW; ct->chip.irq_mask = irq_gc_mask_clr_bit; ct->chip.irq_unmask = irq_gc_mask_set_bit; ct->chip.irq_set_type = gpio_irq_set_type; + ct->chip.name = ochip->chip.label; ct++; ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF; @@ -464,41 +520,69 @@ void __init orion_gpio_init(int gpio_base, int ngpio, ct->chip.irq_unmask = irq_gc_mask_set_bit; ct->chip.irq_set_type = gpio_irq_set_type; ct->handler = handle_edge_irq; + ct->chip.name = ochip->chip.label; irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); -} -void orion_gpio_irq_handler(int pinoff) -{ - struct orion_gpio_chip *ochip; - u32 cause, type; - int i; - - ochip = orion_gpio_chip_find(pinoff); - if (ochip == NULL) - return; - - cause = readl(GPIO_DATA_IN(ochip)) & readl(GPIO_LEVEL_MASK(ochip)); - cause |= readl(GPIO_EDGE_CAUSE(ochip)) & readl(GPIO_EDGE_MASK(ochip)); - - for (i = 0; i < ochip->chip.ngpio; i++) { - int irq; + /* Setup irq domain on top of the generic chip. */ + ochip->domain = irq_domain_add_legacy(np, + ochip->chip.ngpio, + ochip->secondary_irq_base, + ochip->secondary_irq_base, + &irq_domain_simple_ops, + ochip); + if (!ochip->domain) + panic("%s: couldn't allocate irq domain (DT).\n", + ochip->chip.label); - irq = ochip->secondary_irq_base + i; + orion_gpio_chip_count++; +} - if (!(cause & (1 << i))) - continue; +#ifdef CONFIG_OF +static void __init orion_gpio_of_init_one(struct device_node *np, + int irq_gpio_base) +{ + int ngpio, gpio_base, mask_offset; + void __iomem *base; + int ret, i; + int irqs[4]; + int secondary_irq_base; + + ret = of_property_read_u32(np, "ngpio", &ngpio); + if (ret) + goto out; + ret = of_property_read_u32(np, "mask-offset", &mask_offset); + if (ret == -EINVAL) + mask_offset = 0; + else + goto out; + base = of_iomap(np, 0); + if (!base) + goto out; + + secondary_irq_base = irq_gpio_base + (32 * orion_gpio_chip_count); + gpio_base = 32 * orion_gpio_chip_count; + + /* Get the interrupt numbers. Each chip can have up to 4 + * interrupt handlers, with each handler dealing with 8 GPIO + * pins. */ + + for (i = 0; i < 4; i++) + irqs[i] = irq_of_parse_and_map(np, i); + + orion_gpio_init(np, gpio_base, ngpio, base, mask_offset, + secondary_irq_base, irqs); + return; +out: + pr_err("%s: %s: missing mandatory property\n", __func__, np->name); +} - type = irqd_get_trigger_type(irq_get_irq_data(irq)); - if ((type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { - /* Swap polarity (race with GPIO line) */ - u32 polarity; +void __init orion_gpio_of_init(int irq_gpio_base) +{ + struct device_node *np; - polarity = readl(GPIO_IN_POL(ochip)); - polarity ^= 1 << i; - writel(polarity, GPIO_IN_POL(ochip)); - } - generic_handle_irq(irq); - } + for_each_compatible_node(np, NULL, "marvell,orion-gpio") + orion_gpio_of_init_one(np, irq_gpio_base); } +#endif diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h index bec0c98ce41f..81c6fc8a7b28 100644 --- a/arch/arm/plat-orion/include/plat/gpio.h +++ b/arch/arm/plat-orion/include/plat/gpio.h @@ -13,7 +13,7 @@ #include <linux/init.h> #include <linux/types.h> - +#include <linux/irqdomain.h> /* * Orion-specific GPIO API extensions. */ @@ -27,13 +27,11 @@ int orion_gpio_led_blink_set(unsigned gpio, int state, void orion_gpio_set_valid(unsigned pin, int mode); /* Initialize gpiolib. */ -void __init orion_gpio_init(int gpio_base, int ngpio, - u32 base, int mask_offset, int secondary_irq_base); - -/* - * GPIO interrupt handling. - */ -void orion_gpio_irq_handler(int irqoff); - +void __init orion_gpio_init(struct device_node *np, + int gpio_base, int ngpio, + void __iomem *base, int mask_offset, + int secondary_irq_base, + int irq[4]); +void __init orion_gpio_of_init(int irq_gpio_base); #endif diff --git a/arch/arm/plat-orion/include/plat/irq.h b/arch/arm/plat-orion/include/plat/irq.h index f05eeab94968..50547e417936 100644 --- a/arch/arm/plat-orion/include/plat/irq.h +++ b/arch/arm/plat-orion/include/plat/irq.h @@ -12,6 +12,5 @@ #define __PLAT_IRQ_H void orion_irq_init(unsigned int irq_start, void __iomem *maskaddr); - - +void __init orion_dt_init_irq(void); #endif diff --git a/arch/arm/plat-orion/irq.c b/arch/arm/plat-orion/irq.c index 2d5b9c1ef389..d751964def4c 100644 --- a/arch/arm/plat-orion/irq.c +++ b/arch/arm/plat-orion/irq.c @@ -11,8 +11,12 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/io.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <plat/irq.h> +#include <plat/gpio.h> void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr) { @@ -32,3 +36,39 @@ void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr) irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); } + +#ifdef CONFIG_OF +static int __init orion_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + int i = 0, irq_gpio; + void __iomem *base; + + do { + base = of_iomap(np, i); + if (base) { + orion_irq_init(i * 32, base); + i++; + } + } while (base); + + irq_domain_add_legacy(np, i * 32, 0, 0, + &irq_domain_simple_ops, NULL); + + irq_gpio = i * 32; + orion_gpio_of_init(irq_gpio); + + return 0; +} + +static const struct of_device_id orion_irq_match[] = { + { .compatible = "marvell,orion-intc", + .data = orion_add_irq_domain, }, + {}, +}; + +void __init orion_dt_init_irq(void) +{ + of_irq_init(orion_irq_match); +} +#endif diff --git a/arch/arm/plat-spear/include/plat/pl080.h b/arch/arm/plat-spear/include/plat/pl080.h index 2bc6b54460a8..eb6590ded40d 100644 --- a/arch/arm/plat-spear/include/plat/pl080.h +++ b/arch/arm/plat-spear/include/plat/pl080.h @@ -14,8 +14,8 @@ #ifndef __PLAT_PL080_H #define __PLAT_PL080_H -struct pl08x_dma_chan; -int pl080_get_signal(struct pl08x_dma_chan *ch); -void pl080_put_signal(struct pl08x_dma_chan *ch); +struct pl08x_channel_data; +int pl080_get_signal(const struct pl08x_channel_data *cd); +void pl080_put_signal(const struct pl08x_channel_data *cd, int signal); #endif /* __PLAT_PL080_H */ diff --git a/arch/arm/plat-spear/pl080.c b/arch/arm/plat-spear/pl080.c index 12cf27f935f9..cfa1199d0f4a 100644 --- a/arch/arm/plat-spear/pl080.c +++ b/arch/arm/plat-spear/pl080.c @@ -27,9 +27,8 @@ struct { unsigned char val; } signals[16] = {{0, 0}, }; -int pl080_get_signal(struct pl08x_dma_chan *ch) +int pl080_get_signal(const struct pl08x_channel_data *cd) { - const struct pl08x_channel_data *cd = ch->cd; unsigned int signal = cd->min_signal, val; unsigned long flags; @@ -63,18 +62,17 @@ int pl080_get_signal(struct pl08x_dma_chan *ch) return signal; } -void pl080_put_signal(struct pl08x_dma_chan *ch) +void pl080_put_signal(const struct pl08x_channel_data *cd, int signal) { - const struct pl08x_channel_data *cd = ch->cd; unsigned long flags; spin_lock_irqsave(&lock, flags); /* if signal is not used */ - if (!signals[cd->min_signal].busy) + if (!signals[signal].busy) BUG(); - signals[cd->min_signal].busy--; + signals[signal].busy--; spin_unlock_irqrestore(&lock, flags); } diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index 4fa9903b83cf..cc926c985981 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -7,18 +7,20 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. - * - * Basic entry code, called from the kernel's undefined instruction trap. - * r0 = faulted instruction - * r5 = faulted PC+4 - * r9 = successful return - * r10 = thread_info structure - * lr = failure return */ #include <asm/thread_info.h> #include <asm/vfpmacros.h> #include "../kernel/entry-header.S" +@ VFP entry point. +@ +@ r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) +@ r2 = PC value to resume execution after successful emulation +@ r9 = normal "successful" return address +@ r10 = this threads thread_info structure +@ lr = unrecognised instruction return address +@ IRQs disabled. +@ ENTRY(do_vfp) #ifdef CONFIG_PREEMPT ldr r4, [r10, #TI_PREEMPT] @ get preempt count diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index d50f0e486cf2..ea0349f63586 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -62,13 +62,13 @@ @ VFP hardware support entry point. @ -@ r0 = faulted instruction -@ r2 = faulted PC+4 -@ r9 = successful return +@ r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) +@ r2 = PC value to resume execution after successful emulation +@ r9 = normal "successful" return address @ r10 = vfp_state union @ r11 = CPU number -@ lr = failure return - +@ lr = unrecognised instruction return address +@ IRQs enabled. ENTRY(vfp_support_entry) DBGSTR3 "instr %08x pc %08x state %p", r0, r2, r10 @@ -162,9 +162,12 @@ vfp_hw_state_valid: @ exception before retrying branch @ out before setting an FPEXC that @ stops us reading stuff - VFPFMXR FPEXC, r1 @ restore FPEXC last - sub r2, r2, #4 - str r2, [sp, #S_PC] @ retry the instruction + VFPFMXR FPEXC, r1 @ Restore FPEXC last + sub r2, r2, #4 @ Retry current instruction - if Thumb + str r2, [sp, #S_PC] @ mode it's two 16-bit instructions, + @ else it's one 32-bit instruction, so + @ always subtract 4 from the following + @ instruction address. #ifdef CONFIG_PREEMPT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 586961929e96..fb849d044bde 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -457,10 +457,16 @@ static int vfp_pm_suspend(void) /* disable, just in case */ fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN); + } else if (vfp_current_hw_state[ti->cpu]) { +#ifndef CONFIG_SMP + fmxr(FPEXC, fpexc | FPEXC_EN); + vfp_save_state(vfp_current_hw_state[ti->cpu], fpexc); + fmxr(FPEXC, fpexc); +#endif } /* clear any information we had about last context state */ - memset(vfp_current_hw_state, 0, sizeof(vfp_current_hw_state)); + vfp_current_hw_state[ti->cpu] = NULL; return 0; } |