diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-07 11:22:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-07 11:22:14 -0700 |
| commit | 1bf25e78af317e6d5d9b5594dfeb0036e0d589d6 (patch) | |
| tree | 49dbd2d7bd6856b8ae1864c2dd0c0eb5e36d5398 | |
| parent | 38f56f33ca381751f9b8910f67e7a805ec0b68cb (diff) | |
| parent | 0592c2189ece16f3e0c5a56245634aba93d0c9dd (diff) | |
Merge tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
"These are cleanups and smaller changes that either depend on earlier
feature branches or came in late during the development cycle. We
normally try to get all cleanups early, so these are the exceptions:
- A follow-up on the clocksource reworks, hopefully the last time we
need to merge clocksource subsystem changes through arm-soc.
A first set of patches was part of the original 3.10 arm-soc
cleanup series because of interdependencies with timer drivers now
moved out of arch/arm.
- Migrating the SPEAr13xx platform away from using auxdata for DMA
channel descriptions towards using information in device tree,
based on the earlier SPEAr multiplatform series
- A few follow-ups on the Atmel SAMA5 support and other changes for
Atmel at91 based on the larger at91 reworks.
- Moving the armada irqchip implementation to drivers/irqchip
- Several OMAP cleanups following up on the larger series already
merged in 3.10."
* tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
ARM: OMAP4: change the device names in usb_bind_phy
ARM: OMAP2+: Fix mismerge for timer.c between ff931c82 and da4a686a
ARM: SPEAr: conditionalize SMP code
ARM: arch_timer: Silence debug preempt warnings
ARM: OMAP: remove unused variable
serial: amba-pl011: fix !CONFIG_DMA_ENGINE case
ata: arasan: remove the need for platform_data
ARM: at91/sama5d34ek.dts: remove not needed compatibility string
ARM: at91: dts: add MCI DMA support
ARM: at91: dts: add i2c dma support
ARM: at91: dts: set #dma-cells to the correct value
ARM: at91: suspend both memory controllers on at91sam9263
irqchip: armada-370-xp: slightly cleanup irq controller driver
irqchip: armada-370-xp: move IRQ handler to avoid forward declaration
irqchip: move IRQ driver for Armada 370/XP
ARM: mvebu: move L2 cache initialization in init_early()
devtree: add binding documentation for sp804
ARM: integrator-cp: convert use CLKSRC_OF for timer init
ARM: versatile: use OF init for sp804 timer
ARM: versatile: add versatile dtbs to dtbs target
...
79 files changed, 777 insertions, 1041 deletions
diff --git a/Documentation/devicetree/bindings/arm/primecell.txt b/Documentation/devicetree/bindings/arm/primecell.txt index 64fc82bc892..0df6acacfae 100644 --- a/Documentation/devicetree/bindings/arm/primecell.txt +++ b/Documentation/devicetree/bindings/arm/primecell.txt @@ -16,14 +16,31 @@ Optional properties: - clocks : From common clock binding. First clock is phandle to clock for apb pclk. Additional clocks are optional and specific to those peripherals. - clock-names : From common clock binding. Shall be "apb_pclk" for first clock. +- dmas : From common DMA binding. If present, refers to one or more dma channels. +- dma-names : From common DMA binding, needs to match the 'dmas' property. + Devices with exactly one receive and transmit channel shall name + these "rx" and "tx", respectively. +- pinctrl-<n> : Pinctrl states as described in bindings/pinctrl/pinctrl-bindings.txt +- pinctrl-names : Names corresponding to the numbered pinctrl states +- interrupts : one or more interrupt specifiers +- interrupt-names : names corresponding to the interrupts properties Example: serial@fff36000 { compatible = "arm,pl011", "arm,primecell"; arm,primecell-periphid = <0x00341011>; + clocks = <&pclk>; clock-names = "apb_pclk"; - + + dmas = <&dma-controller 4>, <&dma-controller 5>; + dma-names = "rx", "tx"; + + pinctrl-0 = <&uart0_default_mux>, <&uart0_default_mode>; + pinctrl-1 = <&uart0_sleep_mode>; + pinctrl-names = "default","sleep"; + + interrupts = <0 11 0x4>; }; diff --git a/Documentation/devicetree/bindings/ata/pata-arasan.txt b/Documentation/devicetree/bindings/ata/pata-arasan.txt index 95ec7f825ed..2aff154be84 100644 --- a/Documentation/devicetree/bindings/ata/pata-arasan.txt +++ b/Documentation/devicetree/bindings/ata/pata-arasan.txt @@ -6,6 +6,26 @@ Required properties: - interrupt-parent: Should be the phandle for the interrupt controller that services interrupts for this device - interrupt: Should contain the CF interrupt number +- clock-frequency: Interface clock rate, in Hz, one of + 25000000 + 33000000 + 40000000 + 50000000 + 66000000 + 75000000 + 100000000 + 125000000 + 150000000 + 166000000 + 200000000 + +Optional properties: +- arasan,broken-udma: if present, UDMA mode is unusable +- arasan,broken-mwdma: if present, MWDMA mode is unusable +- arasan,broken-pio: if present, PIO mode is unusable +- dmas: one DMA channel, as described in bindings/dma/dma.txt + required unless both UDMA and MWDMA mode are broken +- dma-names: the corresponding channel name, must be "data" Example: @@ -14,4 +34,6 @@ Example: reg = <0xfc000000 0x1000>; interrupt-parent = <&vic1>; interrupts = <12>; + dmas = <&dma-controller 23>; + dma-names = "data"; }; diff --git a/Documentation/devicetree/bindings/serial/pl011.txt b/Documentation/devicetree/bindings/serial/pl011.txt new file mode 100644 index 00000000000..5d2e840ae65 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/pl011.txt @@ -0,0 +1,17 @@ +* ARM AMBA Primecell PL011 serial UART + +Required properties: +- compatible: must be "arm,primecell", "arm,pl011" +- reg: exactly one register range with length 0x1000 +- interrupts: exactly one interrupt specifier + +Optional properties: +- pinctrl: When present, must have one state named "sleep" + and one state named "default" +- clocks: When present, must refer to exactly one clock named + "apb_pclk" +- dmas: When present, may have one or two dma channels. + The first one must be named "rx", the second one + must be named "tx". + +See also bindings/arm/primecell.txt diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt index f158fd31cfd..22ed6797216 100644 --- a/Documentation/devicetree/bindings/spi/spi_pl022.txt +++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt @@ -16,6 +16,11 @@ Optional properties: device will be suspended immediately - pl022,rt : indicates the controller should run the message pump with realtime priority to minimise the transfer latency on the bus (boolean) +- dmas : Two or more DMA channel specifiers following the convention outlined + in bindings/dma/dma.txt +- dma-names: Names for the dma channels, if present. There must be at + least one channel named "tx" for transmit and named "rx" for + receive. SPI slave nodes must be children of the SPI master node and can @@ -32,3 +37,34 @@ contain the following properties. - pl022,wait-state : Microwire interface: Wait state - pl022,duplex : Microwire interface: Full/Half duplex + +Example: + + spi@e0100000 { + compatible = "arm,pl022", "arm,primecell"; + reg = <0xe0100000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <0 31 0x4>; + dmas = <&dma-controller 23 1>, + <&dma-controller 24 0>; + dma-names = "rx", "tx"; + + m25p80@1 { + compatible = "st,m25p80"; + reg = <1>; + spi-max-frequency = <12000000>; + spi-cpol; + spi-cpha; + pl022,hierarchy = <0>; + pl022,interface = <0>; + pl022,slave-tx-disable; + pl022,com-mode = <0x2>; + pl022,rx-level-trig = <0>; + pl022,tx-level-trig = <0>; + pl022,ctrl-len = <0x11>; + pl022,wait-state = <0>; + pl022,duplex = <0>; + }; + }; + diff --git a/Documentation/devicetree/bindings/timer/arm,sp804.txt b/Documentation/devicetree/bindings/timer/arm,sp804.txt new file mode 100644 index 00000000000..5cd8eee74af --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,sp804.txt @@ -0,0 +1,29 @@ +ARM sp804 Dual Timers +--------------------------------------- + +Required properties: +- compatible: Should be "arm,sp804" & "arm,primecell" +- interrupts: Should contain the list of Dual Timer interrupts. This is the + interrupt for timer 1 and timer 2. In the case of a single entry, it is + the combined interrupt or if "arm,sp804-has-irq" is present that + specifies which timer interrupt is connected. +- reg: Should contain location and length for dual timer register. +- clocks: clocks driving the dual timer hardware. This list should be 1 or 3 + clocks. With 3 clocks, the order is timer0 clock, timer1 clock, + apb_pclk. A single clock can also be specified if the same clock is + used for all clock inputs. + +Optional properties: +- arm,sp804-has-irq = <#>: In the case of only 1 timer irq line connected, this + specifies if the irq connection is for timer 1 or timer 2. A value of 1 + or 2 should be used. + +Example: + + timer0: timer@fc800000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0xfc800000 0x1000>; + interrupts = <0 0 4>, <0 1 4>; + clocks = <&timclk1 &timclk2 &pclk>; + clock-names = "timer1", "timer2", "apb_pclk"; + }; diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 18bef301d6e..34ef016626f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1059,6 +1059,7 @@ config PLAT_VERSATILE config ARM_TIMER_SP804 bool select CLKSRC_MMIO + select CLKSRC_OF if OF source arch/arm/mm/Kconfig diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index e6611eaa288..5f1f4dfd706 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -194,6 +194,8 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \ tegra30-cardhu-a04.dtb \ tegra114-dalmore.dtb \ tegra114-pluto.dtb +dtb-$(CONFIG_ARCH_VERSATILE) += versatile-ab.dtb \ + versatile-pb.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \ vexpress-v2p-ca9.dtb \ vexpress-v2p-ca15-tc1.dtb \ diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index f8f7370e866..bf18a735c37 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -108,6 +108,7 @@ compatible = "atmel,at91sam9g45-dma"; reg = <0xffffec00 0x200>; interrupts = <21 4 0>; + #dma-cells = <2>; }; pinctrl@fffff200 { @@ -533,6 +534,8 @@ compatible = "atmel,hsmci"; reg = <0xfff80000 0x600>; interrupts = <11 4 0>; + dmas = <&dma 1 0>; + dma-names = "rxtx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -542,6 +545,8 @@ compatible = "atmel,hsmci"; reg = <0xfffd0000 0x600>; interrupts = <29 4 0>; + dmas = <&dma 1 13>; + dma-names = "rxtx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index b2961f1ea51..3de8e6dfbcb 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -89,6 +89,8 @@ compatible = "atmel,hsmci"; reg = <0xf0008000 0x600>; interrupts = <12 4 0>; + dmas = <&dma 1 0>; + dma-names = "rxtx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -110,6 +112,7 @@ compatible = "atmel,at91sam9g45-dma"; reg = <0xffffec00 0x200>; interrupts = <20 4 0>; + #dma-cells = <2>; }; pinctrl@fffff400 { @@ -378,6 +381,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf8010000 0x100>; interrupts = <9 4 6>; + dmas = <&dma 1 13>, + <&dma 1 14>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -387,6 +393,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf8014000 0x100>; interrupts = <10 4 6>; + dmas = <&dma 1 15>, + <&dma 1 16>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 640b3bbbb70..1145ac330fb 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -104,12 +104,14 @@ compatible = "atmel,at91sam9g45-dma"; reg = <0xffffec00 0x200>; interrupts = <20 4 0>; + #dma-cells = <2>; }; dma1: dma-controller@ffffee00 { compatible = "atmel,at91sam9g45-dma"; reg = <0xffffee00 0x200>; interrupts = <21 4 0>; + #dma-cells = <2>; }; pinctrl@fffff400 { @@ -465,6 +467,8 @@ compatible = "atmel,hsmci"; reg = <0xf0008000 0x600>; interrupts = <12 4 0>; + dmas = <&dma0 1 0>; + dma-names = "rxtx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -474,6 +478,8 @@ compatible = "atmel,hsmci"; reg = <0xf000c000 0x600>; interrupts = <26 4 0>; + dmas = <&dma1 1 0>; + dma-names = "rxtx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -535,6 +541,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf8010000 0x100>; interrupts = <9 4 6>; + dmas = <&dma0 1 7>, + <&dma0 1 8>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; @@ -546,6 +555,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf8014000 0x100>; interrupts = <10 4 6>; + dmas = <&dma1 1 5>, + <&dma1 1 6>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; @@ -557,6 +569,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf8018000 0x100>; interrupts = <11 4 6>; + dmas = <&dma0 1 9>, + <&dma0 1 10>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts index 8b119399025..ff1aea0ee04 100644 --- a/arch/arm/boot/dts/integratorcp.dts +++ b/arch/arm/boot/dts/integratorcp.dts @@ -24,15 +24,15 @@ }; timer0: timer@13000000 { - compatible = "arm,sp804", "arm,primecell"; + compatible = "arm,integrator-cp-timer"; }; timer1: timer@13000100 { - compatible = "arm,sp804", "arm,primecell"; + compatible = "arm,integrator-cp-timer"; }; timer2: timer@13000200 { - compatible = "arm,sp804", "arm,primecell"; + compatible = "arm,integrator-cp-timer"; }; pic: pic@14000000 { diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 39b0458d365..2e643ea51cc 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -60,6 +60,8 @@ compatible = "atmel,hsmci"; reg = <0xf0000000 0x600>; interrupts = <21 4 0>; + dmas = <&dma0 2 0>; + dma-names = "rxtx"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7>; status = "disabled"; @@ -111,6 +113,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf0014000 0x4000>; interrupts = <18 4 6>; + dmas = <&dma0 2 7>, + <&dma0 2 8>; + dma-names = "tx", "rx"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c0>; #address-cells = <1>; @@ -122,6 +127,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf0018000 0x4000>; interrupts = <19 4 6>; + dmas = <&dma0 2 9>, + <&dma0 2 10>; + dma-names = "tx", "rx"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c1>; #address-cells = <1>; @@ -167,6 +175,8 @@ compatible = "atmel,hsmci"; reg = <0xf8000000 0x600>; interrupts = <22 4 0>; + dmas = <&dma1 2 0>; + dma-names = "rxtx"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>; status = "disabled"; @@ -178,6 +188,8 @@ compatible = "atmel,hsmci"; reg = <0xf8004000 0x600>; interrupts = <23 4 0>; + dmas = <&dma1 2 1>; + dma-names = "rxtx"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_mmc2_clk_cmd_dat0 &pinctrl_mmc2_dat1_3>; status = "disabled"; @@ -294,6 +306,9 @@ compatible = "atmel,at91sam9x5-i2c"; reg = <0xf801c000 0x4000>; interrupts = <20 4 6>; + dmas = <&dma1 2 11>, + <&dma1 2 12>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -348,14 +363,14 @@ compatible = "atmel,at91sam9g45-dma"; reg = <0xffffe600 0x200>; interrupts = <30 4 0>; - #dma-cells = <1>; + #dma-cells = <2>; }; dma1: dma-controller@ffffe800 { compatible = "atmel,at91sam9g45-dma"; reg = <0xffffe800 0x200>; interrupts = <31 4 0>; - #dma-cells = <1>; + #dma-cells = <2>; }; ramc0: ramc@ffffea00 { diff --git a/arch/arm/boot/dts/sama5d34ek.dts b/arch/arm/boot/dts/sama5d34ek.dts index d2739f8d7ae..6bebfcdcb1d 100644 --- a/arch/arm/boot/dts/sama5d34ek.dts +++ b/arch/arm/boot/dts/sama5d34ek.dts @@ -12,7 +12,7 @@ / { model = "Atmel SAMA5D34-EK"; - compatible = "atmel,sama5d34ek", "atmel,sama5ek", "atmel,sama5d3xmb", "atmel,sama5d3xcm", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d34ek", "atmel,sama5d3xmb", "atmel,sama5d3xcm", "atmel,sama5d3", "atmel,sama5"; ahb { apb { diff --git a/arch/arm/boot/dts/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi index c511c4772ef..54d128d3568 100644 --- a/arch/arm/boot/dts/spear1340.dtsi +++ b/arch/arm/boot/dts/spear1340.dtsi @@ -113,6 +113,9 @@ reg = <0xb4100000 0x1000>; interrupts = <0 105 0x4>; status = "disabled"; + dmas = <&dwdma0 0x600 0 0 1>, /* 0xC << 11 */ + <&dwdma0 0x680 0 1 0>; /* 0xD << 7 */ + dma-names = "tx", "rx"; }; thermal@e07008c4 { diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi index b4ca60f4eb4..45597fd9105 100644 --- a/arch/arm/boot/dts/spear13xx.dtsi +++ b/arch/arm/boot/dts/spear13xx.dtsi @@ -98,13 +98,24 @@ reg = <0xb2800000 0x1000>; interrupts = <0 29 0x4>; status = "disabled"; + dmas = <&dwdma0 0 0 0 0>; + dma-names = "data"; }; - dma@ea800000 { + dwdma0: dma@ea800000 { compatible = "snps,dma-spear1340"; reg = <0xea800000 0x1000>; interrupts = <0 19 0x4>; status = "disabled"; + + dma-channels = <8>; + #dma-cells = <3>; + dma-requests = <32>; + chan_allocation_order = <1>; + chan_priority = <1>; + block_size = <0xfff>; + dma-masters = <2>; + data_width = <3 3 0 0>; }; dma@eb000000 { @@ -112,6 +123,15 @@ reg = <0xeb000000 0x1000>; interrupts = <0 59 0x4>; status = "disabled"; + + dma-requests = <32>; + dma-channels = <8>; + dma-masters = <2>; + #dma-cells = <3>; + chan_allocation_order = <1>; + chan_priority = <1>; + block_size = <0xfff>; + data_width = <3 3 0 0>; }; fsmc: flash@b0000000 { @@ -261,6 +281,9 @@ #size-cells = <0>; interrupts = <0 31 0x4>; status = "disabled"; + dmas = <&dwdma0 0x2000 0 0 0>, /* 0x4 << 11 */ + <&dwdma0 0x0280 0 0 0>; /* 0x5 << 7 */ + dma-names = "tx", "rx"; }; rtc@e0580000 { diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index e2fe3195c0d..dde75ae8b4b 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -121,6 +121,18 @@ interrupts = <0>; }; + timer@101e2000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0x101e2000 0x1000>; + interrupts = <4>; + }; + + timer@101e3000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0x101e3000 0x1000>; + interrupts = <5>; + }; + gpio0: gpio@101e4000 { compatible = "arm,pl061", "arm,primecell"; reg = <0x101e4000 0x1000>; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts index 1420bb14d95..62d9b225dcc 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts @@ -98,6 +98,7 @@ <0 49 4>; clocks = <&oscclk2>, <&oscclk2>; clock-names = "timclk", "apb_pclk"; + status = "disabled"; }; watchdog@100e5000 { diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c index 9d2d3ba339f..ddc74076960 100644 --- a/arch/arm/common/timer-sp.c +++ b/arch/arm/common/timer-sp.c @@ -25,33 +25,29 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <asm/sched_clock.h> #include <asm/hardware/arm_timer.h> +#include <asm/hardware/timer-sp.h> -static long __init sp804_get_clock_rate(const char *name) +static long __init sp804_get_clock_rate(struct clk *clk) { - struct clk *clk; long rate; int err; - clk = clk_get_sys("sp804", name); - if (IS_ERR(clk)) { - pr_err("sp804: %s clock not found: %d\n", name, - (int)PTR_ERR(clk)); - return PTR_ERR(clk); - } - err = clk_prepare(clk); if (err) { - pr_err("sp804: %s clock failed to prepare: %d\n", name, err); + pr_err("sp804: clock failed to prepare: %d\n", err); clk_put(clk); return err; } err = clk_enable(clk); if (err) { - pr_err("sp804: %s clock failed to enable: %d\n", name, err); + pr_err("sp804: clock failed to enable: %d\n", err); clk_unprepare(clk); clk_put(clk); return err; @@ -59,7 +55,7 @@ static long __init sp804_get_clock_rate(const char *name) rate = clk_get_rate(clk); if (rate < 0) { - pr_err("sp804: %s clock failed to get rate: %ld\n", name, rate); + pr_err("sp804: clock failed to get rate: %ld\n", rate); clk_disable(clk); clk_unprepare(clk); clk_put(clk); @@ -77,9 +73,21 @@ static u32 sp804_read(void) void __init __sp804_clocksource_and_sched_clock_init(void __iomem *base, const char *name, + struct clk *clk, int use_sched_clock) { - long rate = sp804_get_clock_rate(name); + long rate; + + if (!clk) { + clk = clk_get_sys("sp804", name); + if (IS_ERR(clk)) { + pr_err("sp804: clock not found: %d\n", + (int)PTR_ERR(clk)); + return; + } + } + + rate = sp804_get_clock_rate(clk); if (rate < 0) return; @@ -171,12 +179,20 @@ static struct irqaction sp804_timer_irq = { .dev_id = &sp804_clockevent, }; -void __init sp804_clockevents_init(void __iomem *base, unsigned int irq, - const char *name) +void __init __sp804_clockevents_init(void __iomem *base, unsigned int irq, struct clk *clk, const char *name) { struct clock_event_device *evt = &sp804_clockevent; - long rate = sp804_get_clock_rate(name); + long rate; + if (!clk) + clk = clk_get_sys("sp804", name); + if (IS_ERR(clk)) { + pr_err("sp804: %s clock not found: %d\n", name, + (int)PTR_ERR(clk)); + return; + } + + rate = sp804_get_clock_rate(clk); if (rate < 0) return; @@ -186,6 +202,98 @@ void __init sp804_clockevents_init(void __iomem *base, unsigned int irq, evt->irq = irq; evt->cpumask = cpu_possible_mask; + writel(0, base + TIMER_CTRL); + setup_irq(irq, &sp804_timer_irq); clockevents_config_and_register(evt, rate, 0xf, 0xffffffff); } + +static void __init sp804_of_init(struct device_node *np) +{ + static bool initialized = false; + void __iomem *base; + int irq; + u32 irq_num = 0; + struct clk *clk1, *clk2; + const char *name = of_get_property(np, "compatible", NULL); + + base = of_iomap(np, 0); + if (WARN_ON(!base)) + return; + + /* Ensure timers are disabled */ + writel(0, base + TIMER_CTRL); + writel(0, base + TIMER_2_BASE + TIMER_CTRL); + + if (initialized || !of_device_is_available(np)) + goto err; + + clk1 = of_clk_get(np, 0); + if (IS_ERR(clk1)) + clk1 = NULL; + + /* Get the 2nd clock if the timer has 2 timer clocks */ + if (of_count_phandle_with_args(np, "clocks", "#clock-cells") == 3) { + clk2 = of_clk_get(np, 1); + if (IS_ERR(clk2)) { + pr_err("sp804: %s clock not found: %d\n", np->name, + (int)PTR_ERR(clk2)); + goto err; + } + } else + clk2 = clk1; + + irq = irq_of_parse_and_map(np, 0); + if (irq <= 0) + goto err; + + of_property_read_u32(np, "arm,sp804-has-irq", &irq_num); + if (irq_num == 2) { + __sp804_clockevents_init(base + TIMER_2_BASE, irq, clk2, name); + __sp804_clocksource_and_sched_clock_init(base, name, clk1, 1); + } else { + __sp804_clockevents_init(base, irq, clk1 , name); + __sp804_clocksource_and_sched_clock_init(base + TIMER_2_BASE, + name, clk2, 1); + } + initialized = true; + + return; +err: + iounmap(base); +} +CLOCKSOURCE_OF_DECLARE(sp804, "arm,sp804", sp804_of_init); + +static void __init integrator_cp_of_init(struct device_node *np) +{ + static int init_count = 0; + void __iomem *base; + int irq; + const char *name = of_get_property(np, "compatible", NULL); + + base = of_iomap(np, 0); + if (WARN_ON(!base)) + return; + + /* Ensure timer is disabled */ + writel(0, base + TIMER_CTRL); + + if (init_count == 2 || !of_device_is_available(np)) + goto err; + + if (!init_count) + sp804_clocksource_init(base, name); + else { + irq = irq_of_parse_and_map(np, 0); + if (irq <= 0) + goto err; + + sp804_clockevents_init(base, irq, name); + } + + init_count++; + return; +err: + iounmap(base); +} +CLOCKSOURCE_OF_DECLARE(intcp, "arm,integrator-cp-timer", integrator_cp_of_init); diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 7ade91d8cc6..7c1bfc0aea0 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -10,8 +10,7 @@ #include <clocksource/arm_arch_timer.h> #ifdef CONFIG_ARM_ARCH_TIMER -int arch_timer_of_register(void); -int arch_timer_sched_clock_init(void); +int arch_timer_arch_init(void); /* * These register accessors are marked inline so the compiler can @@ -110,16 +109,6 @@ static inline void __cpuinit arch_counter_set_user_access(void) asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl)); } -#else -static inline int arch_timer_of_register(void) -{ - return -ENXIO; -} - -static inline int arch_timer_sched_clock_init(void) -{ - return -ENXIO; -} #endif #endif diff --git a/arch/arm/include/asm/hardware/timer-sp.h b/arch/arm/include/asm/hardware/timer-sp.h index 2dd9d3f83f2..bb28af7c32d 100644 --- a/arch/arm/include/asm/hardware/timer-sp.h +++ b/arch/arm/include/asm/hardware/timer-sp.h @@ -1,15 +1,23 @@ +struct clk; + void __sp804_clocksource_and_sched_clock_init(void __iomem *, - const char *, int); + const char *, struct clk *, int); +void __sp804_clockevents_init(void __iomem *, unsigned int, + struct clk *, const char *); static inline void sp804_clocksource_init(void __iomem *base, const char *name) { - __sp804_clocksource_and_sched_clock_init(base, name, 0); + __sp804_clocksource_and_sched_clock_init(base, name, NULL, 0); } static inline void sp804_clocksource_and_sched_clock_init(void __iomem *base, const char *name) { - __sp804_clocksource_and_sched_clock_init(base, name, 1); + __sp804_clocksource_and_sched_clock_init(base, name, NULL, 1); } -void sp804_clockevents_init(void __iomem *, unsigned int, const char *); +static inline void sp804_clockevents_init(void __iomem *base, unsigned int irq, const char *name) +{ + __sp804_clockevents_init(base, irq, NULL, name); + +} diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h index e3f75726343..3d520ddca61 100644 --- a/arch/arm/include/asm/sched_clock.h +++ b/arch/arm/include/asm/sched_clock.h @@ -11,4 +11,6 @@ extern void sched_clock_postinit(void); extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); +extern unsigned long long (*sched_clock_func)(void); + #endif diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c index d957a51435d..59dcdced6e3 100644 --- a/arch/arm/kernel/arch_timer.c +++ b/arch/arm/kernel/arch_timer.c @@ -22,9 +22,11 @@ static unsigned long arch_timer_read_counter_long(void) return arch_timer_read_counter(); } -static u32 arch_timer_read_counter_u32(void) +static u32 sched_clock_mult __read_mostly; + +static unsigned long long notrace arch_timer_sched_clock(void) { - return arch_timer_read_counter(); + return arch_timer_read_counter() * sched_clock_mult; } static struct delay_timer arch_delay_timer; @@ -37,25 +39,20 @@ static void __init arch_timer_delay_timer_register(void) register_current_timer_delay(&arch_delay_timer); } -int __init arch_timer_of_register(void) +int __init arch_timer_arch_init(void) { - int ret; + u32 arch_timer_rate = arch_timer_get_rate(); - ret = arch_timer_init(); - if (ret) - return ret; + if (arch_timer_rate == 0) + return -ENXIO; arch_timer_delay_timer_register(); - return 0; -} - -int __init arch_timer_sched_clock_init(void) -{ - if (arch_timer_get_rate() == 0) - return -ENXIO; + /* Cache the sched_clock multiplier to save a divide in the hot path. */ + sched_clock_mult = NSEC_PER_SEC / arch_timer_rate; + sched_clock_func = arch_timer_sched_clock; + pr_info("sched_clock: ARM arch timer >56 bits at %ukHz, resolution %uns\n", + arch_timer_rate / 1000, sched_clock_mult); - setup_sched_clock(arch_timer_read_counter_u32, - 32, arch_timer_get_rate()); return 0; } diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c index 59d2adb764a..e8edcaa0e43 100644 --- a/arch/arm/kernel/sched_clock.c +++ b/arch/arm/kernel/sched_clock.c @@ -20,6 +20,7 @@ struct clock_data { u64 epoch_ns; u32 epoch_cyc; u32 epoch_cyc_copy; + unsigned long rate; u32 mult; u32 shift; bool suspended; @@ -113,11 +114,14 @@ void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate) u64 res, wrap; char r_unit; + if (cd.rate > rate) + return; + BUG_ON(bits > 32); WARN_ON(!irqs_disabled()); - WARN_ON(read_sched_clock != jiffy_sched_clock_read); read_sched_clock = read; sched_clock_mask = (1 << bits) - 1; + cd.rate = rate; /* calculate the mult/shift to convert counter ticks to ns. */ clocks_calc_mult_shift(&cd.mult, &cd.shift, rate, NSEC_PER_SEC, 0); @@ -161,12 +165,19 @@ void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate) pr_debug("Registered %pF as sched_clock source\n", read); } -unsigned long long notrace sched_clock(void) +static unsigned long long notrace sched_clock_32(void) { u32 cyc = read_sched_clock(); return cyc_to_sched_clock(cyc, sched_clock_mask); } +unsigned long long __read_mostly (*sched_clock_func)(void) = sched_clock_32; + +unsigned long long notrace sched_clock(void) +{ + return sched_clock_func(); +} + void __init sched_clock_postinit(void) { /* diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 955d92d265e..abff4e9aaee 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -22,6 +22,7 @@ #include <linux/errno.h> #include <linux/profile.h> #include <linux/timer.h> +#include <linux/clocksource.h> #include <linux/irq.h> #include <asm/thread_info.h> @@ -115,6 +116,10 @@ int __init register_persistent_clock(clock_access_fn read_boot, void __init time_init(void) { - machine_desc->init_time(); + if (machine_desc->init_time) + machine_desc->init_time(); + else + clocksource_of_init(); + sched_clock_postinit(); } diff --git a/arch/arm/mach-at91/cpuidle.c b/arch/arm/mach-at91/cpuidle.c index 48f1228c611..69f9e3bbf4e 100644 --- a/arch/arm/mach-at91/cpuidle.c +++ b/arch/arm/mach-at91/cpuidle.c @@ -36,6 +36,8 @@ static int at91_enter_idle(struct cpuidle_device *dev, at91rm9200_standby(); else if (cpu_is_at91sam9g45()) at91sam9g45_standby(); + else if (cpu_is_at91sam9263()) + at91sam9263_standby(); else at91sam9_standby(); diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index 0f3379fe645..d3d7b993846 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -86,7 +86,7 @@ enum at91_soc_type { AT91_SOC_SAMA5D3, /* Unknown type */ - AT91_SOC_NONE + AT91_SOC_UNKNOWN, }; enum at91_soc_subtype { @@ -107,8 +107,11 @@ enum at91_soc_subtype { AT91_SOC_SAMA5D31, AT91_SOC_SAMA5D33, AT91_SOC_SAMA5D34, AT91_SOC_SAMA5D35, + /* No subtype for this SoC */ + AT91_SOC_SUBTYPE_NONE, + /* Unknown subtype */ - AT91_SOC_SUBTYPE_NONE + AT91_SOC_SUBTYPE_UNKNOWN, }; struct at91_socinfo { @@ -122,7 +125,7 @@ const char *at91_get_soc_subtype(struct at91_socinfo *c); static inline int at91_soc_is_detected(void) { - return at91_soc_initdata.type != AT91_SOC_NONE; + return at91_soc_initdata.type != AT91_SOC_UNKNOWN; } #ifdef CONFIG_SOC_AT91RM9200 diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 73f1f250403..530db304ec5 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -270,6 +270,8 @@ static int at91_pm_enter(suspend_state_t state) at91rm9200_standby(); else if (cpu_is_at91sam9g45()) at91sam9g45_standby(); + else if (cpu_is_at91sam9263()) + at91sam9263_standby(); else at91sam9_standby(); break; diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index 38f467c6b71..2f5908f0b8c 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -70,13 +70,31 @@ static inline void at91sam9g45_standby(void) at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); } -#ifdef CONFIG_SOC_AT91SAM9263 -/* - * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use; - * handle those cases both here and in the Suspend-To-RAM support. +/* We manage both DDRAM/SDRAM controllers, we need more than one value to + * remember. */ -#warning Assuming EB1 SDRAM controller is *NOT* used -#endif +static inline void at91sam9263_standby(void) +{ + u32 lpr0, lpr1; + u32 saved_lpr0, saved_lpr1; + + saved_lpr1 = at91_ramc_read(1, AT91_SDRAMC_LPR); + lpr1 = saved_lpr1 & ~AT91_SDRAMC_LPCB; + lpr1 |= AT91_SDRAMC_LPCB_SELF_REFRESH; + + saved_lpr0 = at91_ramc_read(0, AT91_SDRAMC_LPR); + lpr0 = saved_lpr0 & ~AT91_SDRAMC_LPCB; + lpr0 |= AT91_SDRAMC_LPCB_SELF_REFRESH; + + /* self-refresh mode now */ + at91_ramc_write(0, AT91_SDRAMC_LPR, lpr0); + at91_ramc_write(1, AT91_SDRAMC_LPR, lpr1); + + cpu_do_idle(); + + at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr0); + at91_ramc_write(1, AT91_SDRAMC_LPR, saved_lpr1); +} static inline void at91sam9_standby(void) { diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index e8491e77b1f..e2f4bdd146d 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -105,28 +105,32 @@ static void __init soc_detect(u32 dbgu_base) switch (socid) { case ARCH_ID_AT91RM9200: at91_soc_initdata.type = AT91_SOC_RM9200; - if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE) + if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_UNKNOWN) at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; at91_boot_soc = at91rm9200_soc; break; case ARCH_ID_AT91SAM9260: at91_soc_initdata.type = AT91_SOC_SAM9260; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; at91_boot_soc = at91sam9260_soc; break; case ARCH_ID_AT91SAM9261: at91_soc_initdata.type = AT91_SOC_SAM9261; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; at91_boot_soc = at91sam9261_soc; break; case ARCH_ID_AT91SAM9263: at91_soc_initdata.type = AT91_SOC_SAM9263; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; at91_boot_soc = at91sam9263_soc; break; case ARCH_ID_AT91SAM9G20: at91_soc_initdata.type = AT91_SOC_SAM9G20; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; at91_boot_soc = at91sam9260_soc; break; @@ -139,6 +143,7 @@ static void __init soc_detect(u32 dbgu_base) case ARCH_ID_AT91SAM9RL64: at91_soc_initdata.type = AT91_SOC_SAM9RL; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; at91_boot_soc = at91sam9rl_soc; break; @@ -161,6 +166,7 @@ static void __init soc_detect(u32 dbgu_base) /* at91sam9g10 */ if ((socid & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) { at91_soc_initdata.type = AT91_SOC_SAM9G10; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; at91_boot_soc = at91sam9261_soc; } /* at91sam9xe */ @@ -242,7 +248,7 @@ static const char *soc_name[] = { [AT91_SOC_SAM9X5] = "at91sam9x5", [AT91_SOC_SAM9N12] = "at91sam9n12", [AT91_SOC_SAMA5D3] = "sama5d3", - [AT91_SOC_NONE] = "Unknown" + [AT91_SOC_UNKNOWN] = "Unknown", }; const char *at91_get_soc_type(struct at91_socinfo *c) @@ -268,7 +274,8 @@ static const char *soc_subtype_name[] = { [AT91_SOC_SAMA5D33] = "sama5d33", [AT91_SOC_SAMA5D34] = "sama5d34", [AT91_SOC_SAMA5D35] = "sama5d35", - [AT91_SOC_SUBTYPE_NONE] = "Unknown" + [AT91_SOC_SUBTYPE_NONE] = "None", + [AT91_SOC_SUBTYPE_UNKNOWN] = "Unknown", }; const char *at91_get_soc_subtype(struct at91_socinfo *c) @@ -282,8 +289,8 @@ void __init at91_map_io(void) /* Map peripherals */ iotable_init(&at91_io_desc, 1); - at91_soc_initdata.type = AT91_SOC_NONE; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; + at91_soc_initdata.type = AT91_SOC_UNKNOWN; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN; soc_detect(AT91_BASE_DBGU0); if (!at91_soc_is_detected()) @@ -294,8 +301,9 @@ void __init at91_map_io(void) pr_info("AT91: Detected soc type: %s\n", at91_get_soc_type(&at91_soc_initdata)); - pr_info("AT91: Detected soc subtype: %s\n", - at91_get_soc_subtype(&at91_soc_initdata)); + if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE) + pr_info("AT91: Detected soc subtype: %s\n", + at91_get_soc_subtype(&at91_soc_initdata)); if (!at91_soc_is_enabled()) panic("AT91: Soc not enabled"); diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 76c1170b352..e7df2dd43a4 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -15,6 +15,7 @@ */ #include <linux/clk.h> #include <linux/clkdev.h> +#include <linux/clocksource.h> #include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/irq.h> @@ -28,12 +29,9 @@ #include <linux/amba/bus.h> #include <linux/clk-provider.h> -#include <asm/arch_timer.h> #include <asm/cacheflush.h> #include <asm/cputype.h> #include <asm/smp_plat.h> -#include <asm/hardware/arm_timer.h> -#include <asm/hardware/timer-sp.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -90,36 +88,16 @@ static void __init highbank_init_irq(void) #endif } -static struct clk_lookup lookup = { - .dev_id = "sp804", - .con_id = NULL, -}; - static void __init highbank_timer_init(void) { - int irq; struct device_node *np; - void __iomem *timer_base; /* Map system registers */ np = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs"); sregs_base = of_iomap(np, 0); WARN_ON(!sregs_base); - np = of_find_compatible_node(NULL, NULL, "arm,sp804"); - timer_base = of_iomap(np, 0); - WARN_ON(!timer_base); - irq = irq_of_parse_and_map(np, 0); - of_clk_init(NULL); - lookup.clk = of_clk_get(np, 0); - clkdev_add(&lookup); - - sp804_clocksource_and_sched_clock_init(timer_base + 0x20, "timer1"); - sp804_clockevents_init(timer_base, irq, "timer0"); - - arch_timer_of_register(); - arch_timer_sched_clock_init(); clocksource_of_init(); } diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index da1091be088..8c60fcb08a9 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -250,39 +250,6 @@ static void __init intcp_init_early(void) } #ifdef CONFIG_OF - -static void __init cp_of_timer_init(void) -{ - struct device_node *node; - const char *path; - void __iomem *base; - int err; - int irq; - - err = of_property_read_string(of_aliases, - "arm,timer-primary", &path); - if (WARN_ON(err)) - return; - node = of_find_node_by_path(path); - base = of_iomap(node, 0); - if (WARN_ON(!base)) - return; - writel(0, base + TIMER_CTRL); - sp804_clocksource_init(base, node->name); - - err = of_property_read_string(of_aliases, - "arm,timer-secondary", &path); - if (WARN_ON(err)) - return; - node = of_find_node_by_path(path); - base = of_iomap(node, 0); - if (WARN_ON(!base)) - return; - irq = irq_of_parse_and_map(node, 0); - writel(0, base + TIMER_CTRL); - sp804_clockevents_init(base, irq, node->name); -} - static const struct of_device_id fpga_irq_of_match[] __initconst = { { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, }, { /* Sentinel */ } @@ -383,7 +350,6 @@ DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)") .init_early = intcp_init_early, .init_irq = intcp_init_irq_of, .handle_irq = fpga_handle_irq, - .init_time = cp_of_timer_init, .init_machine = intcp_init_of, .restart = integrator_restart, .dt_compat = intcp_dt_board_compat, diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index ba769e082ad..2d04f0e2187 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -5,6 +5,6 @@ AFLAGS_coherency_ll.o := -Wa,-march=armv7-a obj-y += system-controller.o obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o -obj-$(CONFIG_ARCH_MVEBU) += coherency.o coherency_ll.o pmsu.o irq-armada-370-xp.o +obj-$(CONFIG_ARCH_MVEBU) += coherency.o coherency_ll.o pmsu.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 12d3655830d..42a4cb3087e 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -20,6 +20,8 @@ #include <linux/clk/mvebu.h> #include <linux/dma-mapping.h> #include <linux/mbus.h> +#include <linux/irqchip.h> +#include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> @@ -72,6 +74,10 @@ void __init armada_370_xp_init_early(void) ARMADA_370_XP_MBUS_WINS_SIZE, ARMADA_370_XP_SDRAM_WINS_BASE, ARMADA_370_XP_SDRAM_WINS_SIZE); + +#ifdef CONFIG_CACHE_L2X0 + l2x0_of_init(0, ~0UL); +#endif } static void __init armada_370_xp_dt_init(void) @@ -90,8 +96,7 @@ DT_MACHINE_START(ARMADA_XP_DT, "Marvell Armada 370/XP (Device Tree)") .init_machine = armada_370_xp_dt_init, .map_io = armada_370_xp_map_io, .init_early = armada_370_xp_init_early, - .init_irq = armada_370_xp_init_irq, - .handle_irq = armada_370_xp_handle_irq, + .init_irq = irqchip_init, .init_time = armada_370_xp_timer_and_clk_init, .restart = mvebu_restart, .dt_compat = armada_370_xp_dt_compat, diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index 5b86423c89f..244d8a5aa54 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -108,24 +108,13 @@ static struct platform_device *sdp2430_devices[] __initdata = { #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91 #define SDP2430_LCD_PANEL_ENABLE_GPIO 154 -static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1); - gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1); - - return 0; -} - -static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0); - gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0); -} - static struct panel_generic_dpi_data sdp2430_panel_data = { .name = "nec_nl2432dr22-11b", - .platform_enable = sdp2430_panel_enable_lcd, - .platform_disable = sdp2430_panel_disable_lcd, + .num_gpios = 2, + .gpios = { + SDP2430_LCD_PANEL_ENABLE_GPIO, + SDP2430_LCD_PANEL_BACKLIGHT_GPIO, + }, }; static struct omap_dss_device sdp2430_lcd_device = { @@ -146,26 +135,6 @@ static struct omap_dss_board_info sdp2430_dss_data = { .default_device = &sdp2430_lcd_device, }; -static void __init sdp2430_display_init(void) -{ - int r; - - static struct gpio gpios[] __initdata = { - { SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, - "LCD reset" }, - { SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, - "LCD Backlight" }, - }; - - r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); - if (r) { - pr_err("Cannot request LCD GPIOs, error %d\n", r); - return; - } - - omap_display_init(&sdp2430_dss_data); -} - #if IS_ENABLED(CONFIG_SMC91X) static struct omap_smc91x_platform_data board_smc91x_data = { @@ -273,7 +242,7 @@ static void __init omap_2430sdp_init(void) gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW, "Secondary LCD backlight"); - sdp2430_display_init(); + omap_display_init(&sdp2430_dss_data); } MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index a4d4664894e..23b004afa3f 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -108,53 +108,38 @@ static struct twl4030_keypad_data sdp3430_kp_data = { #define SDP3430_LCD_PANEL_BACKLIGHT_GPIO 8 #define SDP3430_LCD_PANEL_ENABLE_GPIO 5 -static struct gpio sdp3430_dss_gpios[] __initdata = { - {SDP3430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, "LCD reset" }, - {SDP3430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, "LCD Backlight"}, -}; - static void __init sdp3430_display_init(void) { int r; - r = gpio_request_array(sdp3430_dss_gpios, - ARRAY_SIZE(sdp3430_dss_gpios)); + /* + * the backlight GPIO doesn't directly go to the panel, it enables + * an internal circuit on 3430sdp to create the signal V_BKL_28V, + * this is connected to LED+ pin of the sharp panel. This GPIO + * is left enabled in the board file, and not passed to the panel + * as platform_data. + */ + r = gpio_request_one(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, + GPIOF_OUT_INIT_HIGH, "LCD Backlight"); if (r) - printk(KERN_ERR "failed to get LCD control GPIOs\n"); - -} + pr_err("failed to get LCD Backlight GPIO\n"); -static int sdp3430_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - gpio_direction_output(SDP3430_LCD_PANEL_ENABLE_GPIO, 1); - gpio_direction_output(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, 1); - - return 0; -} - -static void sdp3430_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - gpio_direction_output(SDP3430_LCD_PANEL_ENABLE_GPIO, 0); - gpio_direction_output(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, 0); -} - -static int sdp3430_panel_enable_tv(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void sdp3430_panel_disable_tv(struct omap_dss_device *dssdev) -{ } +static struct panel_sharp_ls037v7dw01_data sdp3430_lcd_data = { + .resb_gpio = SDP3430_LCD_PANEL_ENABLE_GPIO, + .ini_gpio = -1, + .mo_gpio = -1, + .lr_gpio = -1, + .ud_gpio = -1, +}; static struct omap_dss_device sdp3430_lcd_device = { .name = "lcd", .driver_name = "sharp_ls_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 16, - .platform_enable = sdp3430_panel_enable_lcd, - .platform_disable = sdp3430_panel_disable_lcd, + .data = &sdp3430_lcd_data, }; static struct tfp410_platform_data dvi_panel = { @@ -175,8 +160,6 @@ static struct omap_dss_device sdp3430_tv_device = { .driver_name = "venc", .type = OMAP_DISPLAY_TYPE_VENC, .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, - .platform_enable = sdp3430_panel_enable_tv, - .platform_disable = sdp3430_panel_disable_tv, }; diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 00d72902ef4..56a9a4f855c 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -730,7 +730,7 @@ static void __init omap_4430sdp_init(void) omap4_sdp4430_wifi_init(); omap4_twl6030_hsmmc_init(mmc); - usb_bind_phy("musb-hdrc.0.auto", 0, "omap-usb2.1.auto"); + usb_bind_phy("musb-hdrc.2.auto", 0, "omap-usb2.3.auto"); usb_musb_init(&musb_board_data); status = omap_ethernet_init(); diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index c29d2e74368..d63f14b534b 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -120,63 +120,14 @@ static int __init am3517_evm_i2c_init(void) return 0; } -static int lcd_enabled; -static int dvi_enabled; - -#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ - defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) -static struct gpio am3517_evm_dss_gpios[] __initdata = { - /* GPIO 182 = LCD Backlight Power */ - { LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" }, - /* GPIO 181 = LCD Panel PWM */ - { LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd bl enable" }, - /* GPIO 176 = LCD Panel Power enable pin */ - { LCD_PANEL_PWR, GPIOF_OUT_INIT_HIGH, "dvi enable" }, -}; - -static void __init am3517_evm_display_init(void) -{ - int r; - - omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP); - omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN); - omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN); - - r = gpio_request_array(am3517_evm_dss_gpios, - ARRAY_SIZE(am3517_evm_dss_gpios)); - if (r) { - printk(KERN_ERR "failed to get DSS panel control GPIOs\n"); - return; - } - - printk(KERN_INFO "Display initialized successfully\n"); -} -#else -static void __init am3517_evm_display_init(void) {} -#endif - -static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - if (dvi_enabled) { - printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); - return -EINVAL; - } - gpio_set_value(LCD_PANEL_PWR, 1); - lcd_enabled = 1; - - return 0; -} - -static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - gpio_set_value(LCD_PANEL_PWR, 0); - lcd_enabled = 0; -} - static struct panel_generic_dpi_data lcd_panel = { .name = "sharp_lq", - .platform_enable = am3517_evm_panel_enable_lcd, - .platform_disable = am3517_evm_panel_disable_lcd, + .num_gpios = 3, + .gpios = { + LCD_PANEL_PWR, + LCD_PANEL_BKLIGHT_PWR, + LCD_PANEL_PWM, + }, }; static struct omap_dss_device am3517_evm_lcd_device = { @@ -187,22 +138,11 @@ static struct omap_dss_device am3517_evm_lcd_device = { .phy.dpi.data_lines = 16, }; -static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev) -{ -} - static struct omap_dss_device am3517_evm_tv_device = { .type = OMAP_DISPLAY_TYPE_VENC, .name = "tv", .driver_name = "venc", .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, - .platform_enable = am3517_evm_panel_enable_tv, - .platform_disable = am3517_evm_panel_disable_tv, }; static struct tfp410_platform_data dvi_panel = { @@ -365,8 +305,6 @@ static void __init am3517_evm_init(void) usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data)); usbhs_init(&usbhs_bdata); am3517_evm_hecc_init(&am3517_evm_hecc_pdata); - /* DSS */ - am3517_evm_display_init(); /* RTC - S35390A */ am3517_evm_rtc_init(); diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index e0ed8c07fc5..ee6218c7480 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -190,45 +190,12 @@ static inline void cm_t35_init_nand(void) {} #define CM_T35_LCD_BL_GPIO 58 #define CM_T35_DVI_EN_GPIO 54 -static int lcd_enabled; -static int dvi_enabled; - -static int cm_t35_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - if (dvi_enabled) { - printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); - return -EINVAL; - } - - gpio_set_value(CM_T35_LCD_EN_GPIO, 1); - gpio_set_value(CM_T35_LCD_BL_GPIO, 1); - - lcd_enabled = 1; - - return 0; -} - -static void cm_t35_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - lcd_enabled = 0; - - gpio_set_value(CM_T35_LCD_BL_GPIO, 0); - gpio_set_value(CM_T35_LCD_EN_GPIO, 0); -} - -static int cm_t35_panel_enable_tv(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void cm_t35_panel_disable_tv(struct omap_dss_device *dssdev) -{ -} - static struct panel_generic_dpi_data lcd_panel = { .name = "toppoly_tdo35s", - .platform_enable = cm_t35_panel_enable_lcd, - .platform_disable = cm_t35_panel_disable_lcd, + .num_gpios = 1, + .gpios = { + CM_T35_LCD_BL_GPIO, + }, }; static struct omap_dss_device cm_t35_lcd_device = { @@ -257,8 +224,6 @@ static struct omap_dss_device cm_t35_tv_device = { .driver_name = "venc", .type = OMAP_DISPLAY_TYPE_VENC, .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, - .platform_enable = cm_t35_panel_enable_tv, - .platform_disable = cm_t35_panel_disable_tv, }; static struct omap_dss_device *cm_t35_dss_devices[] = { @@ -292,11 +257,6 @@ static struct spi_board_info cm_t35_lcd_spi_board_info[] __initdata = { }, }; -static struct gpio cm_t35_dss_gpios[] __initdata = { - { CM_T35_LCD_EN_GPIO, GPIOF_OUT_INIT_LOW, "lcd enable" }, - { CM_T35_LCD_BL_GPIO, GPIOF_OUT_INIT_LOW, "lcd bl enable" }, -}; - static void __init cm_t35_init_display(void) { int err; @@ -304,23 +264,21 @@ static void __init cm_t35_init_display(void) spi_register_board_info(cm_t35_lcd_spi_board_info, ARRAY_SIZE(cm_t35_lcd_spi_board_info)); - err = gpio_request_array(cm_t35_dss_gpios, - ARRAY_SIZE(cm_t35_dss_gpios)); + + err = gpio_request_one(CM_T35_LCD_EN_GPIO, GPIOF_OUT_INIT_LOW, + "lcd bl enable"); if (err) { - pr_err("CM-T35: failed to request DSS control GPIOs\n"); + pr_err("CM-T35: failed to request LCD EN GPIO\n"); return; } - gpio_export(CM_T35_LCD_EN_GPIO, 0); - gpio_export(CM_T35_LCD_BL_GPIO, 0); - msleep(50); gpio_set_value(CM_T35_LCD_EN_GPIO, 1); err = omap_display_init(&cm_t35_dss_data); if (err) { pr_err("CM-T35: failed to register DSS device\n"); - gpio_free_array(cm_t35_dss_gpios, ARRAY_SIZE(cm_t35_dss_gpios)); + gpio_free(CM_T35_LCD_EN_GPIO); } } diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index e44b804f75a..57642054417 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -103,19 +103,6 @@ static struct omap2_hsmmc_info mmc[] = { {} /* Terminator */ }; -static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - if (gpio_is_valid(dssdev->reset_gpio)) - gpio_set_value_cansleep(dssdev->reset_gpio, 1); - return 0; -} - -static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - if (gpio_is_valid(dssdev->reset_gpio)) - gpio_set_value_cansleep(dssdev->reset_gpio, 0); -} - static struct regulator_consumer_supply devkit8000_vmmc1_supply[] = { REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), }; @@ -127,8 +114,7 @@ static struct regulator_consumer_supply devkit8000_vio_supply[] = { static struct panel_generic_dpi_data lcd_panel = { .name = "innolux_at070tn83", - .platform_enable = devkit8000_panel_enable_lcd, - .platform_disable = devkit8000_panel_disable_lcd, + /* gpios filled in code */ }; static struct omap_dss_device devkit8000_lcd_device = { @@ -210,8 +196,6 @@ static struct gpio_led gpio_leds[]; static int devkit8000_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { - int ret; - /* gpio + 0 is "mmc0_cd" (input/IRQ) */ mmc[0].gpio_cd = gpio + 0; omap_hsmmc_late_init(mmc); @@ -220,13 +204,8 @@ static int devkit8000_twl_gpio_setup(struct device *dev, gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; /* TWL4030_GPIO_MAX + 0 is "LCD_PWREN" (out, active high) */ - devkit8000_lcd_device.reset_gpio = gpio + TWL4030_GPIO_MAX + 0; - ret = gpio_request_one(devkit8000_lcd_device.reset_gpio, - GPIOF_OUT_INIT_LOW, "LCD_PWREN"); - if (ret < 0) { - devkit8000_lcd_device.reset_gpio = -EINVAL; - printk(KERN_ERR "Failed to request GPIO for LCD_PWRN\n"); - } + lcd_panel.num_gpios = 1; + lcd_panel.gpios[0] = gpio + TWL4030_GPIO_MAX + 0; /* gpio + 7 is "DVI_PD" (out, active low) */ dvi_panel.power_down_gpio = gpio + 7; diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index 8a8e505a0e9..d0d17bc58d9 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -181,34 +181,13 @@ static inline void __init ldp_init_smsc911x(void) /* LCD */ -static int ldp_backlight_gpio; -static int ldp_lcd_enable_gpio; - #define LCD_PANEL_RESET_GPIO 55 #define LCD_PANEL_QVGA_GPIO 56 -static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - if (gpio_is_valid(ldp_lcd_enable_gpio)) - gpio_direction_output(ldp_lcd_enable_gpio, 1); - if (gpio_is_valid(ldp_backlight_gpio)) - gpio_direction_output(ldp_backlight_gpio, 1); - - return 0; -} - -static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - if (gpio_is_valid(ldp_lcd_enable_gpio)) - gpio_direction_output(ldp_lcd_enable_gpio, 0); - if (gpio_is_valid(ldp_backlight_gpio)) - gpio_direction_output(ldp_backlight_gpio, 0); -} - static struct panel_generic_dpi_data ldp_panel_data = { .name = "nec_nl2432dr22-11b", - .platform_enable = ldp_panel_enable_lcd, - .platform_disable = ldp_panel_disable_lcd, + .num_gpios = 4, + /* gpios filled in code */ }; static struct omap_dss_device ldp_lcd_device = { @@ -231,41 +210,19 @@ static struct omap_dss_board_info ldp_dss_data = { static void __init ldp_display_init(void) { - int r; - - static struct gpio gpios[] __initdata = { - {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"}, - {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"}, - }; - - r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); - if (r) { - pr_err("Cannot request LCD GPIOs, error %d\n", r); - return; - } + ldp_panel_data.gpios[2] = LCD_PANEL_RESET_GPIO; + ldp_panel_data.gpios[3] = LCD_PANEL_QVGA_GPIO; omap_display_init(&ldp_dss_data); } static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { - int r; - - struct gpio gpios[] = { - {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"}, - {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"}, - }; - - r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); - if (r) { - pr_err("Cannot request LCD GPIOs, error %d\n", r); - ldp_backlight_gpio = -EINVAL; - ldp_lcd_enable_gpio = -EINVAL; - return r; - } - - ldp_backlight_gpio = gpio + 15; - ldp_lcd_enable_gpio = gpio + 7; + ldp_panel_data.gpios[0] = gpio + 7; + ldp_panel_data.gpio_invert[0] = true; + + ldp_panel_data.gpios[1] = gpio + 15; + ldp_panel_data.gpio_invert[1] = true; return 0; } diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 4f1bbc3cc29..f76d0de7b40 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -155,61 +155,43 @@ static inline void __init omap3evm_init_smsc911x(void) { return; } #define OMAP3EVM_LCD_PANEL_LR 2 #define OMAP3EVM_LCD_PANEL_UD 3 #define OMAP3EVM_LCD_PANEL_INI 152 -#define OMAP3EVM_LCD_PANEL_ENVDD 153 #define OMAP3EVM_LCD_PANEL_QVGA 154 #define OMAP3EVM_LCD_PANEL_RESB 155 + +#define OMAP3EVM_LCD_PANEL_ENVDD 153 #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210 + +/* + * OMAP3EVM DVI control signals + */ #define OMAP3EVM_DVI_PANEL_EN_GPIO 199 -static struct gpio omap3_evm_dss_gpios[] __initdata = { - { OMAP3EVM_LCD_PANEL_RESB, GPIOF_OUT_INIT_HIGH, "lcd_panel_resb" }, - { OMAP3EVM_LCD_PANEL_INI, GPIOF_OUT_INIT_HIGH, "lcd_panel_ini" }, - { OMAP3EVM_LCD_PANEL_QVGA, GPIOF_OUT_INIT_LOW, "lcd_panel_qvga" }, - { OMAP3EVM_LCD_PANEL_LR, GPIOF_OUT_INIT_HIGH, "lcd_panel_lr" }, - { OMAP3EVM_LCD_PANEL_UD, GPIOF_OUT_INIT_HIGH, "lcd_panel_ud" }, - { OMAP3EVM_LCD_PANEL_ENVDD, GPIOF_OUT_INIT_LOW, "lcd_panel_envdd" }, +static struct panel_sharp_ls037v7dw01_data omap3_evm_lcd_data = { + .resb_gpio = OMAP3EVM_LCD_PANEL_RESB, + .ini_gpio = OMAP3EVM_LCD_PANEL_INI, + .mo_gpio = OMAP3EVM_LCD_PANEL_QVGA, + .lr_gpio = OMAP3EVM_LCD_PANEL_LR, + .ud_gpio = OMAP3EVM_LCD_PANEL_UD, }; -static int lcd_enabled; -static int dvi_enabled; - static void __init omap3_evm_display_init(void) { int r; - r = gpio_request_array(omap3_evm_dss_gpios, - ARRAY_SIZE(omap3_evm_dss_gpios)); + r = gpio_request_one(OMAP3EVM_LCD_PANEL_ENVDD, GPIOF_OUT_INIT_LOW, + "lcd_panel_envdd"); if (r) - printk(KERN_ERR "failed to get lcd_panel_* gpios\n"); -} + pr_err("failed to get lcd_panel_envdd GPIO\n"); -static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev) -{ - if (dvi_enabled) { - printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); - return -EINVAL; - } - gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0); + r = gpio_request_one(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, + GPIOF_OUT_INIT_LOW, "lcd_panel_bklight"); + if (r) + pr_err("failed to get lcd_panel_bklight GPIO\n"); if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); else gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); - - lcd_enabled = 1; - return 0; -} - -static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev) -{ - gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1); - - if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) - gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); - else - gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); - - lcd_enabled = 0; } static struct omap_dss_device omap3_evm_lcd_device = { @@ -217,26 +199,14 @@ static struct omap_dss_device omap3_evm_lcd_device = { .driver_name = "sharp_ls_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 18, - .platform_enable = omap3_evm_enable_lcd, - .platform_disable = omap3_evm_disable_lcd, + .data = &omap3_evm_lcd_data, }; -static int omap3_evm_enable_tv(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void omap3_evm_disable_tv(struct omap_dss_device *dssdev) -{ -} - static struct omap_dss_device omap3_evm_tv_device = { .name = "tv", .driver_name = "venc", .type = OMAP_DISPLAY_TYPE_VENC, .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, - .platform_enable = omap3_evm_enable_tv, - .platform_disable = omap3_evm_disable_tv, }; static struct tfp410_platform_data dvi_panel = { diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 1004d2aaa68..28133d5b4fe 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -44,6 +44,7 @@ #include "common.h" #include <video/omapdss.h> +#include <video/omap-panel-data.h> #include <linux/platform_data/mtd-nand-omap2.h> #include "mux.h" @@ -230,12 +231,16 @@ static struct twl4030_keypad_data pandora_kp_data = { .rep = 1, }; +static struct panel_tpo_td043_data lcd_data = { + .nreset_gpio = 157, +}; + static struct omap_dss_device pandora_lcd_device = { .name = "lcd", .driver_name = "tpo_td043mtea1_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 24, - .reset_gpio = 157, + .data = &lcd_data, }; static struct omap_dss_device pandora_tv_device = { diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index 8afbba0923d..d37e6b187ae 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -94,15 +94,6 @@ static void __init omap3_stalker_display_init(void) return; } -static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev) -{ -} - static struct omap_dss_device omap3_stalker_tv_device = { .name = "tv", .driver_name = "venc", @@ -112,8 +103,6 @@ static struct omap_dss_device omap3_stalker_tv_device = { #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE) .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE, #endif - .platform_enable = omap3_stalker_enable_tv, - .platform_disable = omap3_stalker_disable_tv, }; static struct tfp410_platform_data dvi_panel = { diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index a71ad345f20..1e2c75eee91 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -435,7 +435,7 @@ static void __init omap4_panda_init(void) omap_sdrc_init(NULL, NULL); omap4_twl6030_hsmmc_init(mmc); omap4_ehci_init(); - usb_bind_phy("musb-hdrc.0.auto", 0, "omap-usb2.1.auto"); + usb_bind_phy("musb-hdrc.2.auto", 0, "omap-usb2.3.auto"); usb_musb_init(&musb_board_data); omap4_panda_display_init(); } diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index f9101407cd5..4ca6b680aa7 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -145,28 +145,9 @@ static inline void __init overo_init_smsc911x(void) { return; } #endif /* DSS */ -static int lcd_enabled; -static int dvi_enabled; - #define OVERO_GPIO_LCD_EN 144 #define OVERO_GPIO_LCD_BL 145 -static struct gpio overo_dss_gpios[] __initdata = { - { OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" }, - { OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" }, -}; - -static void __init overo_display_init(void) -{ - if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) { - printk(KERN_ERR "could not obtain DSS control GPIOs\n"); - return; - } - - gpio_export(OVERO_GPIO_LCD_EN, 0); - gpio_export(OVERO_GPIO_LCD_BL, 0); -} - static struct tfp410_platform_data dvi_panel = { .i2c_bus_num = 3, .power_down_gpio = -1, @@ -187,30 +168,13 @@ static struct omap_dss_device overo_tv_device = { .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, }; -static int overo_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - if (dvi_enabled) { - printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); - return -EINVAL; - } - - gpio_set_value(OVERO_GPIO_LCD_EN, 1); - gpio_set_value(OVERO_GPIO_LCD_BL, 1); - lcd_enabled = 1; - return 0; -} - -static void overo_panel_disable_lcd(struct omap_dss_device *dssdev) -{ - gpio_set_value(OVERO_GPIO_LCD_EN, 0); - gpio_set_value(OVERO_GPIO_LCD_BL, 0); - lcd_enabled = 0; -} - static struct panel_generic_dpi_data lcd43_panel = { .name = "samsung_lte430wq_f0c", - .platform_enable = overo_panel_enable_lcd, - .platform_disable = overo_panel_disable_lcd, + .num_gpios = 2, + .gpios = { + OVERO_GPIO_LCD_EN, + OVERO_GPIO_LCD_BL + }, }; static struct omap_dss_device overo_lcd43_device = { @@ -223,13 +187,20 @@ static struct omap_dss_device overo_lcd43_device = { #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) +static struct panel_generic_dpi_data lcd35_panel = { + .num_gpios = 2, + .gpios = { + OVERO_GPIO_LCD_EN, + OVERO_GPIO_LCD_BL + }, +}; + static struct omap_dss_device overo_lcd35_device = { .type = OMAP_DISPLAY_TYPE_DPI, .name = "lcd35", .driver_name = "lgphilips_lb035q02_panel", .phy.dpi.data_lines = 24, - .platform_enable = overo_panel_enable_lcd, - .platform_disable = overo_panel_disable_lcd, + .data = &lcd35_panel, }; #endif @@ -508,7 +479,6 @@ static void __init overo_init(void) usbhs_init(&usbhs_bdata); overo_spi_init(); overo_init_smsc911x(); - overo_display_init(); overo_init_led(); overo_init_keys(); omap_twl4030_audio_init("overo", NULL); diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c index eb667261df0..bd74f9f6063 100644 --- a/arch/arm/mach-omap2/board-rx51-video.c +++ b/arch/arm/mach-omap2/board-rx51-video.c @@ -16,6 +16,8 @@ #include <linux/mm.h> #include <asm/mach-types.h> #include <video/omapdss.h> +#include <video/omap-panel-data.h> + #include <linux/platform_data/spi-omap2-mcspi.h> #include "soc.h" @@ -27,25 +29,16 @@ #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) -static int rx51_lcd_enable(struct omap_dss_device *dssdev) -{ - gpio_set_value(dssdev->reset_gpio, 1); - return 0; -} - -static void rx51_lcd_disable(struct omap_dss_device *dssdev) -{ - gpio_set_value(dssdev->reset_gpio, 0); -} +static struct panel_acx565akm_data lcd_data = { + .reset_gpio = RX51_LCD_RESET_GPIO, +}; static struct omap_dss_device rx51_lcd_device = { .name = "lcd", .driver_name = "panel-acx565akm", .type = OMAP_DISPLAY_TYPE_SDI, .phy.sdi.datapairs = 2, - .reset_gpio = RX51_LCD_RESET_GPIO, - .platform_enable = rx51_lcd_enable, - .platform_disable = rx51_lcd_disable, + .data = &lcd_data, }; static struct omap_dss_device rx51_tv_device = { @@ -76,13 +69,8 @@ static int __init rx51_video_init(void) return 0; } - if (gpio_request_one(RX51_LCD_RESET_GPIO, GPIOF_OUT_INIT_HIGH, - "LCD ACX565AKM reset")) { - pr_err("%s failed to get LCD Reset GPIO\n", __func__); - return 0; - } - omap_display_init(&rx51_dss_board_info); + return 0; } diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c index 9a7174faac5..c2a079cb76f 100644 --- a/arch/arm/mach-omap2/board-zoom-display.c +++ b/arch/arm/mach-omap2/board-zoom-display.c @@ -15,8 +15,9 @@ #include <linux/spi/spi.h> #include <linux/platform_data/spi-omap2-mcspi.h> #include <video/omapdss.h> -#include "board-zoom.h" +#include <video/omap-panel-data.h> +#include "board-zoom.h" #include "soc.h" #include "common.h" @@ -24,37 +25,17 @@ #define LCD_PANEL_RESET_GPIO_PILOT 55 #define LCD_PANEL_QVGA_GPIO 56 -static struct gpio zoom_lcd_gpios[] __initdata = { - { -EINVAL, GPIOF_OUT_INIT_HIGH, "lcd reset" }, - { LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "lcd qvga" }, +static struct panel_nec_nl8048_data zoom_lcd_data = { + /* res_gpio filled in code */ + .qvga_gpio = LCD_PANEL_QVGA_GPIO, }; -static void __init zoom_lcd_panel_init(void) -{ - zoom_lcd_gpios[0].gpio = (omap_rev() > OMAP3430_REV_ES3_0) ? - LCD_PANEL_RESET_GPIO_PROD : - LCD_PANEL_RESET_GPIO_PILOT; - - if (gpio_request_array(zoom_lcd_gpios, ARRAY_SIZE(zoom_lcd_gpios))) - pr_err("%s: Failed to get LCD GPIOs.\n", __func__); -} - -static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev) -{ - return 0; -} - -static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev) -{ -} - static struct omap_dss_device zoom_lcd_device = { .name = "lcd", .driver_name = "NEC_8048_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 24, - .platform_enable = zoom_panel_enable_lcd, - .platform_disable = zoom_panel_disable_lcd, + .data = &zoom_lcd_data, }; static struct omap_dss_device *zoom_dss_devices[] = { @@ -67,6 +48,13 @@ static struct omap_dss_board_info zoom_dss_data = { .default_device = &zoom_lcd_device, }; +static void __init zoom_lcd_panel_init(void) +{ + zoom_lcd_data.res_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ? + LCD_PANEL_RESET_GPIO_PROD : + LCD_PANEL_RESET_GPIO_PILOT; +} + static struct omap2_mcspi_device_config dss_lcd_mcspi_config = { .turbo_mode = 1, }; diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c index 9c49bbe825f..393aeefaebb 100644 --- a/arch/arm/mach-omap2/dss-common.c +++ b/arch/arm/mach-omap2/dss-common.c @@ -52,7 +52,6 @@ static struct omap_dss_device omap4_panda_dvi_device = { .driver_name = "tfp410", .data = &omap4_dvi_panel, .phy.dpi.data_lines = 24, - .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO, .channel = OMAP_DSS_CHANNEL_LCD2, }; @@ -177,45 +176,12 @@ static struct picodlp_panel_data sdp4430_picodlp_pdata = { .pwrgood_gpio = 45, }; -static void sdp4430_picodlp_init(void) -{ - int r; - const struct gpio picodlp_gpios[] = { - {DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW, - "DLP POWER ON"}, - {sdp4430_picodlp_pdata.emu_done_gpio, GPIOF_IN, - "DLP EMU DONE"}, - {sdp4430_picodlp_pdata.pwrgood_gpio, GPIOF_OUT_INIT_LOW, - "DLP PWRGOOD"}, - }; - - r = gpio_request_array(picodlp_gpios, ARRAY_SIZE(picodlp_gpios)); - if (r) - pr_err("Cannot request PicoDLP GPIOs, error %d\n", r); -} - -static int sdp4430_panel_enable_picodlp(struct omap_dss_device *dssdev) -{ - gpio_set_value(DISPLAY_SEL_GPIO, 0); - gpio_set_value(DLP_POWER_ON_GPIO, 1); - - return 0; -} - -static void sdp4430_panel_disable_picodlp(struct omap_dss_device *dssdev) -{ - gpio_set_value(DLP_POWER_ON_GPIO, 0); - gpio_set_value(DISPLAY_SEL_GPIO, 1); -} - static struct omap_dss_device sdp4430_picodlp_device = { .name = "picodlp", .driver_name = "picodlp_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 24, .channel = OMAP_DSS_CHANNEL_LCD2, - .platform_enable = sdp4430_panel_enable_picodlp, - .platform_disable = sdp4430_panel_disable_picodlp, .data = &sdp4430_picodlp_pdata, }; @@ -232,17 +198,26 @@ static struct omap_dss_board_info sdp4430_dss_data = { .default_device = &sdp4430_lcd_device, }; +/* + * we select LCD2 by default (instead of Pico DLP) by setting DISPLAY_SEL_GPIO. + * Setting DLP_POWER_ON gpio enables the VDLP_2V5 VDLP_1V8 and VDLP_1V0 rails + * used by picodlp on the 4430sdp platform. Keep this gpio disabled as LCD2 is + * selected by default + */ void __init omap_4430sdp_display_init(void) { int r; - /* Enable LCD2 by default (instead of Pico DLP) */ r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH, "display_sel"); if (r) pr_err("%s: Could not get display_sel GPIO\n", __func__); - sdp4430_picodlp_init(); + r = gpio_request_one(DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW, + "DLP POWER ON"); + if (r) + pr_err("%s: Could not get DLP POWER ON GPIO\n", __func__); + omap_display_init(&sdp4430_dss_data); /* * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and @@ -262,12 +237,15 @@ void __init omap_4430sdp_display_init_of(void) { int r; - /* Enable LCD2 by default (instead of Pico DLP) */ r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH, "display_sel"); if (r) pr_err("%s: Could not get display_sel GPIO\n", __func__); - sdp4430_picodlp_init(); + r = gpio_request_one(DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW, + "DLP POWER ON"); + if (r) + pr_err("%s: Could not get DLP POWER ON GPIO\n", __func__); + omap_display_init(&sdp4430_dss_data); } diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 02e1d56a3fe..05481490a50 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -46,7 +46,6 @@ #include <asm/smp_twd.h> #include <asm/sched_clock.h> -#include <asm/arch_timer.h> #include "omap_hwmod.h" #include "omap_device.h" #include <plat/counter-32k.h> @@ -627,14 +626,10 @@ void __init omap4_local_timer_init(void) #ifdef CONFIG_SOC_OMAP5 void __init omap5_realtime_timer_init(void) { - int err; - omap4_sync32k_timer_init(); realtime_counter_init(); - err = arch_timer_of_register(); - if (err) - pr_err("%s: arch_timer_register failed %d\n", __func__, err); + clocksource_of_init(); } #endif /* CONFIG_SOC_OMAP5 */ diff --git a/arch/arm/mach-shmobile/board-kzm9d.c b/arch/arm/mach-shmobile/board-kzm9d.c index c254782aa72..c016ccd9243 100644 --- a/arch/arm/mach-shmobile/board-kzm9d.c +++ b/arch/arm/mach-shmobile/board-kzm9d.c @@ -90,6 +90,5 @@ DT_MACHINE_START(KZM9D_DT, "kzm9d") .init_irq = emev2_init_irq, .init_machine = kzm9d_add_standard_devices, .init_late = shmobile_init_late, - .init_time = shmobile_timer_init, .dt_compat = kzm9d_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c index e4545c15272..899a86c31ec 100644 --- a/arch/arm/mach-shmobile/setup-emev2.c +++ b/arch/arm/mach-shmobile/setup-emev2.c @@ -456,7 +456,6 @@ DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)") .nr_irqs = NR_IRQS_LEGACY, .init_irq = irqchip_init, .init_machine = emev2_add_standard_devices_dt, - .init_time = shmobile_timer_init, .dt_compat = emev2_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 228d7aba4a7..326a4ab0bd5 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -1030,7 +1030,6 @@ DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)") .init_early = r8a7740_add_early_devices_dt, .init_irq = r8a7740_init_irq, .init_machine = r8a7740_add_standard_devices_dt, - .init_time = shmobile_timer_init, .dt_compat = r8a7740_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 59c7146bf66..5502d624aca 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -1175,7 +1175,6 @@ DT_MACHINE_START(SH7372_DT, "Generic SH7372 (Flattened Device Tree)") .init_irq = sh7372_init_irq, .handle_irq = shmobile_handle_irq_intc, .init_machine = sh7372_add_standard_devices_dt, - .init_time = shmobile_timer_init, .dt_compat = sh7372_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index e8cd93a5c55..fdf3894b1cc 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -1037,7 +1037,6 @@ DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") .nr_irqs = NR_IRQS_LEGACY, .init_irq = irqchip_init, .init_machine = sh73a0_add_standard_devices_dt, - .init_time = shmobile_timer_init, .dt_compat = sh73a0_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c index 3d16d4dff01..f321dbeb237 100644 --- a/arch/arm/mach-shmobile/timer.c +++ b/arch/arm/mach-shmobile/timer.c @@ -19,10 +19,8 @@ * */ #include <linux/platform_device.h> +#include <linux/clocksource.h> #include <linux/delay.h> -#include <asm/arch_timer.h> -#include <asm/mach/time.h> -#include <asm/smp_twd.h> void __init shmobile_setup_delay(unsigned int max_cpu_core_mhz, unsigned int mult, unsigned int div) @@ -63,6 +61,5 @@ void __init shmobile_earlytimer_init(void) void __init shmobile_timer_init(void) { - arch_timer_of_register(); - arch_timer_sched_clock_init(); + clocksource_of_init(); } diff --git a/arch/arm/mach-spear/Makefile b/arch/arm/mach-spear/Makefile index af9bffb94f1..a946c19ab31 100644 --- a/arch/arm/mach-spear/Makefile +++ b/arch/arm/mach-spear/Makefile @@ -7,10 +7,10 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include # Common support obj-y := restart.o time.o -obj-$(CONFIG_SMP) += headsmp.o platsmp.o -obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o +smp-$(CONFIG_SMP) += headsmp.o platsmp.o +smp-$(CONFIG_HOTPLUG_CPU) += hotplug.o -obj-$(CONFIG_ARCH_SPEAR13XX) += spear13xx.o +obj-$(CONFIG_ARCH_SPEAR13XX) += spear13xx.o $(smp-y) obj-$(CONFIG_MACH_SPEAR1310) += spear1310.o obj-$(CONFIG_MACH_SPEAR1340) += spear1340.o diff --git a/arch/arm/mach-spear/generic.h b/arch/arm/mach-spear/generic.h index 8ba7e75b648..a9fd45362fe 100644 --- a/arch/arm/mach-spear/generic.h +++ b/arch/arm/mach-spear/generic.h @@ -22,11 +22,6 @@ extern void spear13xx_timer_init(void); extern void spear3xx_timer_init(void); extern struct pl022_ssp_controller pl022_plat_data; extern struct pl08x_platform_data pl080_plat_data; -extern struct dw_dma_platform_data dmac_plat_data; -extern struct dw_dma_slave cf_dma_priv; -extern struct dw_dma_slave nand_read_dma_priv; -extern struct dw_dma_slave nand_write_dma_priv; -bool dw_dma_filter(struct dma_chan *chan, void *slave); void __init spear_setup_of_timer(void); void __init spear3xx_clk_init(void __iomem *misc_base, diff --git a/arch/arm/mach-spear/include/mach/spear.h b/arch/arm/mach-spear/include/mach/spear.h index 374ddc393df..cf3a5369eec 100644 --- a/arch/arm/mach-spear/include/mach/spear.h +++ b/arch/arm/mach-spear/include/mach/spear.h @@ -82,8 +82,6 @@ #define VA_L2CC_BASE IOMEM(UL(0xFB000000)) /* others */ -#define DMAC0_BASE UL(0xEA800000) -#define DMAC1_BASE UL(0xEB000000) #define MCIF_CF_BASE UL(0xB2800000) /* Debug uart for linux, will be used for debug and uncompress messages */ diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c index ed3b5c287a7..9eaac2c881e 100644 --- a/arch/arm/mach-spear/spear1310.c +++ b/arch/arm/mach-spear/spear1310.c @@ -23,40 +23,12 @@ #include <mach/spear.h> /* Base addresses */ -#define SPEAR1310_SSP1_BASE UL(0x5D400000) -#define SPEAR1310_SATA0_BASE UL(0xB1000000) -#define SPEAR1310_SATA1_BASE UL(0xB1800000) -#define SPEAR1310_SATA2_BASE UL(0xB4000000) - #define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) #define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) -static struct arasan_cf_pdata cf_pdata = { - .cf_if_clk = CF_IF_CLK_166M, - .quirk = CF_BROKEN_UDMA, - .dma_priv = &cf_dma_priv, -}; - -/* ssp device registration */ -static struct pl022_ssp_controller ssp1_plat_data = { - .enable_dma = 0, -}; - -/* Add SPEAr1310 auxdata to pass platform data */ -static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), - - OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), - {} -}; - static void __init spear1310_dt_init(void) { - of_platform_populate(NULL, of_default_bus_match_table, - spear1310_auxdata_lookup, NULL); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } static const char * const spear1310_dt_board_compat[] = { diff --git a/arch/arm/mach-spear/spear1340.c b/arch/arm/mach-spear/spear1340.c index 75e38644bbf..a04a7fe76f7 100644 --- a/arch/arm/mach-spear/spear1340.c +++ b/arch/arm/mach-spear/spear1340.c @@ -16,18 +16,16 @@ #include <linux/ahci_platform.h> #include <linux/amba/serial.h> #include <linux/delay.h> -#include <linux/dw_dmac.h> #include <linux/of_platform.h> #include <linux/irqchip.h> #include <asm/mach/arch.h> #include "generic.h" #include <mach/spear.h> -#include "spear13xx-dma.h" +/* FIXME: Move SATA PHY code into a standalone driver */ /* Base addresses */ #define SPEAR1340_SATA_BASE UL(0xB1000000) -#define SPEAR1340_UART1_BASE UL(0xB4100000) /* Power Management Registers */ #define SPEAR1340_PCM_CFG (VA_MISC_BASE + 0x100) @@ -79,28 +77,6 @@ (SPEAR1340_MIPHY_OSC_BYPASS_EXT | \ SPEAR1340_MIPHY_PLL_RATIO_TOP(25)) -static struct dw_dma_slave uart1_dma_param[] = { - { - /* Tx */ - .cfg_hi = DWC_CFGH_DST_PER(SPEAR1340_DMA_REQ_UART1_TX), - .cfg_lo = 0, - .src_master = DMA_MASTER_MEMORY, - .dst_master = SPEAR1340_DMA_MASTER_UART1, - }, { - /* Rx */ - .cfg_hi = DWC_CFGH_SRC_PER(SPEAR1340_DMA_REQ_UART1_RX), - .cfg_lo = 0, - .src_master = SPEAR1340_DMA_MASTER_UART1, - .dst_master = DMA_MASTER_MEMORY, - } -}; - -static struct amba_pl011_data uart1_data = { - .dma_filter = dw_dma_filter, - .dma_tx_param = &uart1_dma_param[0], - .dma_rx_param = &uart1_dma_param[1], -}; - /* SATA device registration */ static int sata_miphy_init(struct device *dev, void __iomem *addr) { @@ -159,14 +135,8 @@ static struct ahci_platform_data sata_pdata = { /* Add SPEAr1340 auxdata to pass platform data */ static struct of_dev_auxdata spear1340_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), - OF_DEV_AUXDATA("snps,spear-ahci", SPEAR1340_SATA_BASE, NULL, &sata_pdata), - OF_DEV_AUXDATA("arm,pl011", SPEAR1340_UART1_BASE, NULL, &uart1_data), {} }; diff --git a/arch/arm/mach-spear/spear13xx-dma.h b/arch/arm/mach-spear/spear13xx-dma.h deleted file mode 100644 index d50bdb60592..00000000000 --- a/arch/arm/mach-spear/spear13xx-dma.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/dma.h - * - * DMA information for SPEAr13xx machine family - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * 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. - */ - -#ifndef __MACH_DMA_H -#define __MACH_DMA_H - -/* request id of all the peripherals */ -enum dma_master_info { - /* Accessible from only one master */ - DMA_MASTER_MCIF = 0, - DMA_MASTER_FSMC = 1, - /* Accessible from both 0 & 1 */ - DMA_MASTER_MEMORY = 0, - DMA_MASTER_ADC = 0, - DMA_MASTER_UART0 = 0, - DMA_MASTER_SSP0 = 0, - DMA_MASTER_I2C0 = 0, - -#ifdef CONFIG_MACH_SPEAR1310 - /* Accessible from only one master */ - SPEAR1310_DMA_MASTER_JPEG = 1, - - /* Accessible from both 0 & 1 */ - SPEAR1310_DMA_MASTER_I2S = 0, - SPEAR1310_DMA_MASTER_UART1 = 0, - SPEAR1310_DMA_MASTER_UART2 = 0, - SPEAR1310_DMA_MASTER_UART3 = 0, - SPEAR1310_DMA_MASTER_UART4 = 0, - SPEAR1310_DMA_MASTER_UART5 = 0, - SPEAR1310_DMA_MASTER_I2C1 = 0, - SPEAR1310_DMA_MASTER_I2C2 = 0, - SPEAR1310_DMA_MASTER_I2C3 = 0, - SPEAR1310_DMA_MASTER_I2C4 = 0, - SPEAR1310_DMA_MASTER_I2C5 = 0, - SPEAR1310_DMA_MASTER_I2C6 = 0, - SPEAR1310_DMA_MASTER_I2C7 = 0, - SPEAR1310_DMA_MASTER_SSP1 = 0, -#endif - -#ifdef CONFIG_MACH_SPEAR1340 - /* Accessible from only one master */ - SPEAR1340_DMA_MASTER_I2S_PLAY = 1, - SPEAR1340_DMA_MASTER_I2S_REC = 1, - SPEAR1340_DMA_MASTER_I2C1 = 1, - SPEAR1340_DMA_MASTER_UART1 = 1, - - /* following are accessible from both master 0 & 1 */ - SPEAR1340_DMA_MASTER_SPDIF = 0, - SPEAR1340_DMA_MASTER_CAM = 1, - SPEAR1340_DMA_MASTER_VIDEO_IN = 0, - SPEAR1340_DMA_MASTER_MALI = 0, -#endif -}; - -enum request_id { - DMA_REQ_ADC = 0, - DMA_REQ_SSP0_TX = 4, - DMA_REQ_SSP0_RX = 5, - DMA_REQ_UART0_TX = 6, - DMA_REQ_UART0_RX = 7, - DMA_REQ_I2C0_TX = 8, - DMA_REQ_I2C0_RX = 9, - -#ifdef CONFIG_MACH_SPEAR1310 - SPEAR1310_DMA_REQ_FROM_JPEG = 2, - SPEAR1310_DMA_REQ_TO_JPEG = 3, - SPEAR1310_DMA_REQ_I2S_TX = 10, - SPEAR1310_DMA_REQ_I2S_RX = 11, - - SPEAR1310_DMA_REQ_I2C1_RX = 0, - SPEAR1310_DMA_REQ_I2C1_TX = 1, - SPEAR1310_DMA_REQ_I2C2_RX = 2, - SPEAR1310_DMA_REQ_I2C2_TX = 3, - SPEAR1310_DMA_REQ_I2C3_RX = 4, - SPEAR1310_DMA_REQ_I2C3_TX = 5, - SPEAR1310_DMA_REQ_I2C4_RX = 6, - SPEAR1310_DMA_REQ_I2C4_TX = 7, - SPEAR1310_DMA_REQ_I2C5_RX = 8, - SPEAR1310_DMA_REQ_I2C5_TX = 9, - SPEAR1310_DMA_REQ_I2C6_RX = 10, - SPEAR1310_DMA_REQ_I2C6_TX = 11, - SPEAR1310_DMA_REQ_UART1_RX = 12, - SPEAR1310_DMA_REQ_UART1_TX = 13, - SPEAR1310_DMA_REQ_UART2_RX = 14, - SPEAR1310_DMA_REQ_UART2_TX = 15, - SPEAR1310_DMA_REQ_UART5_RX = 16, - SPEAR1310_DMA_REQ_UART5_TX = 17, - SPEAR1310_DMA_REQ_SSP1_RX = 18, - SPEAR1310_DMA_REQ_SSP1_TX = 19, - SPEAR1310_DMA_REQ_I2C7_RX = 20, - SPEAR1310_DMA_REQ_I2C7_TX = 21, - SPEAR1310_DMA_REQ_UART3_RX = 28, - SPEAR1310_DMA_REQ_UART3_TX = 29, - SPEAR1310_DMA_REQ_UART4_RX = 30, - SPEAR1310_DMA_REQ_UART4_TX = 31, -#endif - -#ifdef CONFIG_MACH_SPEAR1340 - SPEAR1340_DMA_REQ_SPDIF_TX = 2, - SPEAR1340_DMA_REQ_SPDIF_RX = 3, - SPEAR1340_DMA_REQ_I2S_TX = 10, - SPEAR1340_DMA_REQ_I2S_RX = 11, - SPEAR1340_DMA_REQ_UART1_TX = 12, - SPEAR1340_DMA_REQ_UART1_RX = 13, - SPEAR1340_DMA_REQ_I2C1_TX = 14, - SPEAR1340_DMA_REQ_I2C1_RX = 15, - SPEAR1340_DMA_REQ_CAM0_EVEN = 0, - SPEAR1340_DMA_REQ_CAM0_ODD = 1, - SPEAR1340_DMA_REQ_CAM1_EVEN = 2, - SPEAR1340_DMA_REQ_CAM1_ODD = 3, - SPEAR1340_DMA_REQ_CAM2_EVEN = 4, - SPEAR1340_DMA_REQ_CAM2_ODD = 5, - SPEAR1340_DMA_REQ_CAM3_EVEN = 6, - SPEAR1340_DMA_REQ_CAM3_ODD = 7, -#endif -}; - -#endif /* __MACH_DMA_H */ diff --git a/arch/arm/mach-spear/spear13xx.c b/arch/arm/mach-spear/spear13xx.c index 6dd20899717..3621599c38a 100644 --- a/arch/arm/mach-spear/spear13xx.c +++ b/arch/arm/mach-spear/spear13xx.c @@ -16,70 +16,12 @@ #include <linux/amba/pl022.h> #include <linux/clk.h> #include <linux/clocksource.h> -#include <linux/dw_dmac.h> #include <linux/err.h> #include <linux/of.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/map.h> -#include "generic.h" #include <mach/spear.h> - -#include "spear13xx-dma.h" - -/* common dw_dma filter routine to be used by peripherals */ -bool dw_dma_filter(struct dma_chan *chan, void *slave) -{ - struct dw_dma_slave *dws = (struct dw_dma_slave *)slave; - - if (chan->device->dev == dws->dma_dev) { - chan->private = slave; - return true; - } else { - return false; - } -} - -/* ssp device registration */ -static struct dw_dma_slave ssp_dma_param[] = { - { - /* Tx */ - .cfg_hi = DWC_CFGH_DST_PER(DMA_REQ_SSP0_TX), - .cfg_lo = 0, - .src_master = DMA_MASTER_MEMORY, - .dst_master = DMA_MASTER_SSP0, - }, { - /* Rx */ - .cfg_hi = DWC_CFGH_SRC_PER(DMA_REQ_SSP0_RX), - .cfg_lo = 0, - .src_master = DMA_MASTER_SSP0, - .dst_master = DMA_MASTER_MEMORY, - } -}; - -struct pl022_ssp_controller pl022_plat_data = { - .enable_dma = 1, - .dma_filter = dw_dma_filter, - .dma_rx_param = &ssp_dma_param[1], - .dma_tx_param = &ssp_dma_param[0], -}; - -/* CF device registration */ -struct dw_dma_slave cf_dma_priv = { - .cfg_hi = 0, - .cfg_lo = 0, - .src_master = 0, - .dst_master = 0, -}; - -/* dmac device registeration */ -struct dw_dma_platform_data dmac_plat_data = { - .nr_channels = 8, - .chan_allocation_order = CHAN_ALLOCATION_DESCENDING, - .chan_priority = CHAN_PRIORITY_DESCENDING, - .block_size = 4095U, - .nr_masters = 2, - .data_width = { 3, 3, 0, 0 }, -}; +#include "generic.h" void __init spear13xx_l2x0_init(void) { diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 25160aeaa3b..54bb80b012a 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -749,12 +749,25 @@ void versatile_restart(char mode, const char *cmd) /* Early initializations */ void __init versatile_init_early(void) { + u32 val; void __iomem *sys = __io_address(VERSATILE_SYS_BASE); osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET; clkdev_add_table(lookups, ARRAY_SIZE(lookups)); versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000); + + /* + * set clock frequency: + * VERSATILE_REFCLK is 32KHz + * VERSATILE_TIMCLK is 1MHz + */ + val = readl(__io_address(VERSATILE_SCTL_BASE)); + writel((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | + (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | + (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | + (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel) | val, + __io_address(VERSATILE_SCTL_BASE)); } void __init versatile_init(void) @@ -785,19 +798,6 @@ void __init versatile_init(void) */ void __init versatile_timer_init(void) { - u32 val; - - /* - * set clock frequency: - * VERSATILE_REFCLK is 32KHz - * VERSATILE_TIMCLK is 1MHz - */ - val = readl(__io_address(VERSATILE_SCTL_BASE)); - writel((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | - (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | - (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | - (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel) | val, - __io_address(VERSATILE_SCTL_BASE)); /* * Initialise to a known state (all timers off) diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c index 2558f2e957c..3621b000a0f 100644 --- a/arch/arm/mach-versatile/versatile_dt.c +++ b/arch/arm/mach-versatile/versatile_dt.c @@ -45,7 +45,6 @@ DT_MACHINE_START(VERSATILE_PB, "ARM-Versatile (Device Tree Support)") .map_io = versatile_map_io, .init_early = versatile_init_early, .init_irq = versatile_init_irq, - .init_time = versatile_timer_init, .init_machine = versatile_dt_init, .dt_compat = versatile_dt_match, .restart = versatile_restart, diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 9366f37902d..b6083bb1eb8 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -1,6 +1,7 @@ /* * Versatile Express V2M Motherboard Support */ +#include <linux/clocksource.h> #include <linux/device.h> #include <linux/amba/bus.h> #include <linux/amba/mmci.h> @@ -25,7 +26,6 @@ #include <linux/clk-provider.h> #include <linux/clkdev.h> -#include <asm/arch_timer.h> #include <asm/mach-types.h> #include <asm/sizes.h> #include <asm/mach/arch.h> @@ -63,9 +63,6 @@ static void __init v2m_sp804_init(void __iomem *base, unsigned int irq) if (WARN_ON(!base || irq == NO_IRQ)) return; - writel(0, base + TIMER_1_BASE + TIMER_CTRL); - writel(0, base + TIMER_2_BASE + TIMER_CTRL); - sp804_clocksource_init(base + TIMER_2_BASE, "v2m-timer1"); sp804_clockevents_init(base + TIMER_1_BASE, irq, "v2m-timer0"); } @@ -430,29 +427,11 @@ void __init v2m_dt_init_early(void) static void __init v2m_dt_timer_init(void) { - struct device_node *node = NULL; - of_clk_init(NULL); clocksource_of_init(); - do { - node = of_find_compatible_node(node, NULL, "arm,sp804"); - } while (node && vexpress_get_site_by_node(node) != VEXPRESS_SITE_MB); - if (node) { - pr_info("Using SP804 '%s' as a clock & events source\n", - node->full_name); - WARN_ON(clk_register_clkdev(of_clk_get_by_name(node, - "timclken1"), "v2m-timer0", "sp804")); - WARN_ON(clk_register_clkdev(of_clk_get_by_name(node, - "timclken2"), "v2m-timer1", "sp804")); - v2m_sp804_init(of_iomap(node, 0), - irq_of_parse_and_map(node, 0)); - } - - arch_timer_of_register(); - if (arch_timer_sched_clock_init() != 0) - versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), + versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000); } diff --git a/arch/arm/mach-virt/virt.c b/arch/arm/mach-virt/virt.c index 31666f6b437..adc0945255a 100644 --- a/arch/arm/mach-virt/virt.c +++ b/arch/arm/mach-virt/virt.c @@ -23,21 +23,13 @@ #include <linux/of_platform.h> #include <linux/smp.h> -#include <asm/arch_timer.h> #include <asm/mach/arch.h> -#include <asm/mach/time.h> static void __init virt_init(void) { of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } -static void __init virt_timer_init(void) -{ - WARN_ON(arch_timer_of_register() != 0); - WARN_ON(arch_timer_sched_clock_init() != 0); -} - static const char *virt_dt_match[] = { "linux,dummy-virt", NULL @@ -47,7 +39,6 @@ extern struct smp_operations virt_smp_ops; DT_MACHINE_START(VIRT, "Dummy Virtual Machine") .init_irq = irqchip_init, - .init_time = virt_timer_init, .init_machine = virt_init, .smp = smp_ops(virt_smp_ops), .dt_compat = virt_dt_match, diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index 91e2a6a6fcd..bf6ab242f04 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -130,4 +130,9 @@ static inline u64 arch_counter_get_cntvct(void) return cval; } +static inline int arch_timer_arch_init(void) +{ + return 0; +} + #endif diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c index b0ef18d14c3..a551f88ae2c 100644 --- a/arch/arm64/kernel/time.c +++ b/arch/arm64/kernel/time.c @@ -32,6 +32,7 @@ #include <linux/timer.h> #include <linux/irq.h> #include <linux/delay.h> +#include <linux/clocksource.h> #include <clocksource/arm_arch_timer.h> @@ -77,10 +78,11 @@ void __init time_init(void) { u32 arch_timer_rate; - if (arch_timer_init()) - panic("Unable to initialise architected timer.\n"); + clocksource_of_init(); arch_timer_rate = arch_timer_get_rate(); + if (!arch_timer_rate) + panic("Unable to initialise architected timer.\n"); /* Cache the sched_clock multiplier to save a divide in the hot path. */ sched_clock_mult = NSEC_PER_SEC / arch_timer_rate; diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index 405022d302c..7638121cb5d 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -209,8 +209,6 @@ struct arasan_cf_dev { struct dma_chan *dma_chan; /* Mask for DMA transfers */ dma_cap_mask_t mask; - /* dma channel private data */ - void *dma_priv; /* DMA transfer work */ struct work_struct work; /* DMA delayed finish work */ @@ -308,6 +306,7 @@ static void cf_card_detect(struct arasan_cf_dev *acdev, bool hotplugged) static int cf_init(struct arasan_cf_dev *acdev) { struct arasan_cf_pdata *pdata = dev_get_platdata(acdev->host->dev); + unsigned int if_clk; unsigned long flags; int ret = 0; @@ -325,8 +324,12 @@ static int cf_init(struct arasan_cf_dev *acdev) spin_lock_irqsave(&acdev->host->lock, flags); /* configure CF interface clock */ - writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk : - CF_IF_CLK_166M, acdev->vbase + CLK_CFG); + /* TODO: read from device tree */ + if_clk = CF_IF_CLK_166M; + if (pdata && pdata->cf_if_clk <= CF_IF_CLK_200M) + if_clk = pdata->cf_if_clk; + + writel(if_clk, acdev->vbase + CLK_CFG); writel(TRUE_IDE_MODE | CFHOST_ENB, acdev->vbase + OP_MODE); cf_interrupt_enable(acdev, CARD_DETECT_IRQ, 1); @@ -357,12 +360,6 @@ static void dma_callback(void *dev) complete(&acdev->dma_completion); } -static bool filter(struct dma_chan *chan, void *slave) -{ - chan->private = slave; - return true; -} - static inline void dma_complete(struct arasan_cf_dev *acdev) { struct ata_queued_cmd *qc = acdev->qc; @@ -530,8 +527,7 @@ static void data_xfer(struct work_struct *work) /* request dma channels */ /* dma_request_channel may sleep, so calling from process context */ - acdev->dma_chan = dma_request_channel(acdev->mask, filter, - acdev->dma_priv); + acdev->dma_chan = dma_request_slave_channel(acdev->host->dev, "data"); if (!acdev->dma_chan) { dev_err(acdev->host->dev, "Unable to get dma_chan\n"); goto chan_request_fail; @@ -798,6 +794,7 @@ static int arasan_cf_probe(struct platform_device *pdev) struct ata_host *host; struct ata_port *ap; struct resource *res; + u32 quirk; irq_handler_t irq_handler = NULL; int ret = 0; @@ -817,12 +814,17 @@ static int arasan_cf_probe(struct platform_device *pdev) return -ENOMEM; } + if (pdata) + quirk = pdata->quirk; + else + quirk = CF_BROKEN_UDMA; /* as it is on spear1340 */ + /* if irq is 0, support only PIO */ acdev->irq = platform_get_irq(pdev, 0); if (acdev->irq) irq_handler = arasan_cf_interrupt; else - pdata->quirk |= CF_BROKEN_MWDMA | CF_BROKEN_UDMA; + quirk |= CF_BROKEN_MWDMA | CF_BROKEN_UDMA; acdev->pbase = res->start; acdev->vbase = devm_ioremap_nocache(&pdev->dev, res->start, @@ -859,17 +861,16 @@ static int arasan_cf_probe(struct platform_device *pdev) INIT_WORK(&acdev->work, data_xfer); INIT_DELAYED_WORK(&acdev->dwork, delayed_finish); dma_cap_set(DMA_MEMCPY, acdev->mask); - acdev->dma_priv = pdata->dma_priv; /* Handle platform specific quirks */ - if (pdata->quirk) { - if (pdata->quirk & CF_BROKEN_PIO) { + if (quirk) { + if (quirk & CF_BROKEN_PIO) { ap->ops->set_piomode = NULL; ap->pio_mask = 0; } - if (pdata->quirk & CF_BROKEN_MWDMA) + if (quirk & CF_BROKEN_MWDMA) ap->mwdma_mask = 0; - if (pdata->quirk & CF_BROKEN_UDMA) + if (quirk & CF_BROKEN_UDMA) ap->udma_mask = 0; } ap->flags |= ATA_FLAG_PIO_POLLING | ATA_FLAG_NO_ATAPI; diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 7bc6e51757e..c20de4a85cb 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -65,6 +65,7 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK config ARM_ARCH_TIMER bool + select CLKSRC_OF if OF config CLKSRC_METAG_GENERIC def_bool y if METAG diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index d7ad425ab9b..a2b25418978 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -248,14 +248,16 @@ static void __cpuinit arch_timer_stop(struct clock_event_device *clk) static int __cpuinit arch_timer_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { - struct clock_event_device *evt = this_cpu_ptr(arch_timer_evt); - + /* + * Grab cpu pointer in each case to avoid spurious + * preemptible warnings + */ switch (action & ~CPU_TASKS_FROZEN) { case CPU_STARTING: - arch_timer_setup(evt); + arch_timer_setup(this_cpu_ptr(arch_timer_evt)); break; case CPU_DYING: - arch_timer_stop(evt); + arch_timer_stop(this_cpu_ptr(arch_timer_evt)); break; } @@ -337,22 +339,14 @@ out: return err; } -static const struct of_device_id arch_timer_of_match[] __initconst = { - { .compatible = "arm,armv7-timer", }, - { .compatible = "arm,armv8-timer", }, - {}, -}; - -int __init arch_timer_init(void) +static void __init arch_timer_init(struct device_node *np) { - struct device_node *np; u32 freq; int i; - np = of_find_matching_node(NULL, arch_timer_of_match); - if (!np) { - pr_err("arch_timer: can't find DT node\n"); - return -ENODEV; + if (arch_timer_get_rate()) { + pr_warn("arch_timer: multiple nodes in dt, skipping\n"); + return; } /* Try to determine the frequency from the device tree or CNTFRQ */ @@ -378,7 +372,7 @@ int __init arch_timer_init(void) if (!arch_timer_ppi[PHYS_SECURE_PPI] || !arch_timer_ppi[PHYS_NONSECURE_PPI]) { pr_warn("arch_timer: No interrupt available, giving up\n"); - return -EINVAL; + return; } } @@ -387,5 +381,8 @@ int __init arch_timer_init(void) else arch_timer_read_counter = arch_counter_get_cntpct; - return arch_timer_register(); + arch_timer_register(); + arch_timer_arch_init(); } +CLOCKSOURCE_OF_DECLARE(armv7_arch_timer, "arm,armv7-timer", arch_timer_init); +CLOCKSOURCE_OF_DECLARE(armv8_arch_timer, "arm,armv8-timer", arch_timer_init); diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 661026834b2..13a9e4923a0 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -24,7 +24,6 @@ #include <linux/of_address.h> #include <linux/clocksource.h> -#include <asm/arch_timer.h> #include <asm/localtimer.h> #include <plat/cpu.h> diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index c28fcccf4a0..cda4cb5f732 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_IRQCHIP) += irqchip.o obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2835.o obj-$(CONFIG_ARCH_EXYNOS) += exynos-combiner.o +obj-$(CONFIG_ARCH_MVEBU) += irq-armada-370-xp.o obj-$(CONFIG_ARCH_MXS) += irq-mxs.o obj-$(CONFIG_ARCH_S3C24XX) += irq-s3c24xx.o obj-$(CONFIG_METAG) += irq-metag-ext.o diff --git a/arch/arm/mach-mvebu/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 830139a3e2b..bb328a36612 100644 --- a/arch/arm/mach-mvebu/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -25,7 +25,9 @@ #include <asm/mach/arch.h> #include <asm/exception.h> #include <asm/smp_plat.h> -#include <asm/hardware/cache-l2x0.h> +#include <asm/mach/irq.h> + +#include "irqchip.h" /* Interrupt Controller Registers Map */ #define ARMADA_370_XP_INT_SET_MASK_OFFS (0x48) @@ -46,7 +48,9 @@ #define ARMADA_370_XP_TIMER0_PER_CPU_IRQ (5) -#define ACTIVE_DOORBELLS (8) +#define IPI_DOORBELL_START (0) +#define IPI_DOORBELL_END (8) +#define IPI_DOORBELL_MASK 0xFF static DEFINE_RAW_SPINLOCK(irq_controller_lock); @@ -184,7 +188,7 @@ void armada_xp_mpic_smp_cpu_init(void) writel(0, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); /* Enable first 8 IPIs */ - writel((1 << ACTIVE_DOORBELLS) - 1, per_cpu_int_base + + writel(IPI_DOORBELL_MASK, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_MSK_OFFS); /* Unmask IPI interrupt */ @@ -197,46 +201,8 @@ static struct irq_domain_ops armada_370_xp_mpic_irq_ops = { .xlate = irq_domain_xlate_onecell, }; -static int __init armada_370_xp_mpic_of_init(struct device_node *node, - struct device_node *parent) -{ - u32 control; - - main_int_base = of_iomap(node, 0); - per_cpu_int_base = of_iomap(node, 1); - - BUG_ON(!main_int_base); - BUG_ON(!per_cpu_int_base); - - control = readl(main_int_base + ARMADA_370_XP_INT_CONTROL); - - armada_370_xp_mpic_domain = - irq_domain_add_linear(node, (control >> 2) & 0x3ff, - &armada_370_xp_mpic_irq_ops, NULL); - - if (!armada_370_xp_mpic_domain) - panic("Unable to add Armada_370_Xp MPIC irq domain (DT)\n"); - - irq_set_default_host(armada_370_xp_mpic_domain); - -#ifdef CONFIG_SMP - armada_xp_mpic_smp_cpu_init(); - - /* - * Set the default affinity from all CPUs to the boot cpu. - * This is required since the MPIC doesn't limit several CPUs - * from acknowledging the same interrupt. - */ - cpumask_clear(irq_default_affinity); - cpumask_set_cpu(smp_processor_id(), irq_default_affinity); - -#endif - - return 0; -} - -asmlinkage void __exception_irq_entry armada_370_xp_handle_irq(struct pt_regs - *regs) +static asmlinkage void __exception_irq_entry +armada_370_xp_handle_irq(struct pt_regs *regs) { u32 irqstat, irqnr; @@ -261,13 +227,14 @@ asmlinkage void __exception_irq_entry armada_370_xp_handle_irq(struct pt_regs ipimask = readl_relaxed(per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS) - & 0xFF; + & IPI_DOORBELL_MASK; - writel(0x0, per_cpu_int_base + + writel(~IPI_DOORBELL_MASK, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); /* Handle all pending doorbells */ - for (ipinr = 0; ipinr < ACTIVE_DOORBELLS; ipinr++) { + for (ipinr = IPI_DOORBELL_START; + ipinr < IPI_DOORBELL_END; ipinr++) { if (ipimask & (0x1 << ipinr)) handle_IPI(ipinr, regs); } @@ -278,15 +245,44 @@ asmlinkage void __exception_irq_entry armada_370_xp_handle_irq(struct pt_regs } while (1); } -static const struct of_device_id mpic_of_match[] __initconst = { - {.compatible = "marvell,mpic", .data = armada_370_xp_mpic_of_init}, - {}, -}; - -void __init armada_370_xp_init_irq(void) +static int __init armada_370_xp_mpic_of_init(struct device_node *node, + struct device_node *parent) { - of_irq_init(mpic_of_match); -#ifdef CONFIG_CACHE_L2X0 - l2x0_of_init(0, ~0UL); + u32 control; + + main_int_base = of_iomap(node, 0); + per_cpu_int_base = of_iomap(node, 1); + + BUG_ON(!main_int_base); + BUG_ON(!per_cpu_int_base); + + control = readl(main_int_base + ARMADA_370_XP_INT_CONTROL); + + armada_370_xp_mpic_domain = + irq_domain_add_linear(node, (control >> 2) & 0x3ff, + &armada_370_xp_mpic_irq_ops, NULL); + + if (!armada_370_xp_mpic_domain) + panic("Unable to add Armada_370_Xp MPIC irq domain (DT)\n"); + + irq_set_default_host(armada_370_xp_mpic_domain); + +#ifdef CONFIG_SMP + armada_xp_mpic_smp_cpu_init(); + + /* + * Set the default affinity from all CPUs to the boot cpu. + * This is required since the MPIC doesn't limit several CPUs + * from acknowledging the same interrupt. + */ + cpumask_clear(irq_default_affinity); + cpumask_set_cpu(smp_processor_id(), irq_default_affinity); + #endif + + set_handle_irq(armada_370_xp_handle_irq); + + return 0; } + +IRQCHIP_DECLARE(armada_370_xp_mpic, "marvell,mpic", armada_370_xp_mpic_of_init); diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index b0fe393c882..371cc66f1a0 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -1139,6 +1139,35 @@ err_no_rxchan: return -ENODEV; } +static int pl022_dma_autoprobe(struct pl022 *pl022) +{ + struct device *dev = &pl022->adev->dev; + + /* automatically configure DMA channels from platform, normally using DT */ + pl022->dma_rx_channel = dma_request_slave_channel(dev, "rx"); + if (!pl022->dma_rx_channel) + goto err_no_rxchan; + + pl022->dma_tx_channel = dma_request_slave_channel(dev, "tx"); + if (!pl022->dma_tx_channel) + goto err_no_txchan; + + pl022->dummypage = kmalloc(PAGE_SIZE, GFP_KERNEL); + if (!pl022->dummypage) + goto err_no_dummypage; + + return 0; + +err_no_dummypage: + dma_release_channel(pl022->dma_tx_channel); + pl022->dma_tx_channel = NULL; +err_no_txchan: + dma_release_channel(pl022->dma_rx_channel); + pl022->dma_rx_channel = NULL; +err_no_rxchan: + return -ENODEV; +} + static void terminate_dma(struct pl022 *pl022) { struct dma_chan *rxchan = pl022->dma_rx_channel; @@ -1167,6 +1196,11 @@ static inline int configure_dma(struct pl022 *pl022) return -ENODEV; } +static inline int pl022_dma_autoprobe(struct pl022 *pl022) +{ + return 0; +} + static inline int pl022_dma_probe(struct pl022 *pl022) { return 0; @@ -2226,8 +2260,13 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id) goto err_no_irq; } - /* Get DMA channels */ - if (platform_info->enable_dma) { + /* Get DMA channels, try autoconfiguration first */ + status = pl022_dma_autoprobe(pl022); + + /* If that failed, use channels from platform_info */ + if (status == 0) + platform_info->enable_dma = 1; + else if (platform_info->enable_dma) { status = pl022_dma_probe(pl022); if (status != 0) platform_info->enable_dma = 0; diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index b2e9e177a35..8ab70a62091 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -267,7 +267,7 @@ static void pl011_sgbuf_free(struct dma_chan *chan, struct pl011_sgbuf *sg, } } -static void pl011_dma_probe_initcall(struct uart_amba_port *uap) +static void pl011_dma_probe_initcall(struct device *dev, struct uart_amba_port *uap) { /* DMA is the sole user of the platform data right now */ struct amba_pl011_data *plat = uap->port.dev->platform_data; @@ -281,20 +281,25 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap) struct dma_chan *chan; dma_cap_mask_t mask; - /* We need platform data */ - if (!plat || !plat->dma_filter) { - dev_info(uap->port.dev, "no DMA platform data\n"); - return; - } + chan = dma_request_slave_channel(dev, "tx"); - /* Try to acquire a generic DMA engine slave TX channel */ - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - chan = dma_request_channel(mask, plat->dma_filter, plat->dma_tx_param); if (!chan) { - dev_err(uap->port.dev, "no TX DMA channel!\n"); - return; + /* We need platform data */ + if (!plat || !plat->dma_filter) { + dev_info(uap->port.dev, "no DMA platform data\n"); + return; + } + + /* Try to acquire a generic DMA engine slave TX channel */ + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + + chan = dma_request_channel(mask, plat->dma_filter, + plat->dma_tx_param); + if (!chan) { + dev_err(uap->port.dev, "no TX DMA channel!\n"); + return; + } } dmaengine_slave_config(chan, &tx_conf); @@ -304,7 +309,18 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap) dma_chan_name(uap->dmatx.chan)); /* Optionally make use of an RX channel as well */ - if (plat->dma_rx_param) { + chan = dma_request_slave_channel(dev, "rx"); + + if (!chan && plat->dma_rx_param) { + chan = dma_request_channel(mask, plat->dma_filter, plat->dma_rx_param); + + if (!chan) { + dev_err(uap->port.dev, "no RX DMA channel!\n"); + return; + } + } + + if (chan) { struct dma_slave_config rx_conf = { .src_addr = uap->port.mapbase + UART01x_DR, .src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE, @@ -313,12 +329,6 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap) .device_fc = false, }; - chan = dma_request_channel(mask, plat->dma_filter, plat->dma_rx_param); - if (!chan) { - dev_err(uap->port.dev, "no RX DMA channel!\n"); - return; - } - dmaengine_slave_config(chan, &rx_conf); uap->dmarx.chan = chan; @@ -360,6 +370,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap) struct dma_uap { struct list_head node; struct uart_amba_port *uap; + struct device *dev; }; static LIST_HEAD(pl011_dma_uarts); @@ -370,7 +381,7 @@ static int __init pl011_dma_initcall(void) list_for_each_safe(node, tmp, &pl011_dma_uarts) { struct dma_uap *dmau = list_entry(node, struct dma_uap, node); - pl011_dma_probe_initcall(dmau->uap); + pl011_dma_probe_initcall(dmau->dev, dmau->uap); list_del(node); kfree(dmau); } @@ -379,18 +390,19 @@ static int __init pl011_dma_initcall(void) device_initcall(pl011_dma_initcall); -static void pl011_dma_probe(struct uart_amba_port *uap) +static void pl011_dma_probe(struct device *dev, struct uart_amba_port *uap) { struct dma_uap *dmau = kzalloc(sizeof(struct dma_uap), GFP_KERNEL); if (dmau) { dmau->uap = uap; + dmau->dev = dev; list_add_tail(&dmau->node, &pl011_dma_uarts); } } #else -static void pl011_dma_probe(struct uart_amba_port *uap) +static void pl011_dma_probe(struct device *dev, struct uart_amba_port *uap) { - pl011_dma_probe_initcall(uap); + pl011_dma_probe_initcall(dev, uap); } #endif @@ -1096,7 +1108,7 @@ static inline bool pl011_dma_rx_running(struct uart_amba_port *uap) #else /* Blank functions if the DMA engine is not available */ -static inline void pl011_dma_probe(struct uart_amba_port *uap) +static inline void pl011_dma_probe(struct device *dev, struct uart_amba_port *uap) { } @@ -2155,7 +2167,7 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id) uap->port.ops = &amba_pl011_pops; uap->port.flags = UPF_BOOT_AUTOCONF; uap->port.line = i; - pl011_dma_probe(uap); + pl011_dma_probe(&dev->dev, uap); /* Ensure interrupts from this UART are masked and cleared */ writew(0, uap->port.membase + UART011_IMSC); diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index 2603267b1a2..e6c9c4cc9b2 100644 --- a/include/clocksource/arm_arch_timer.h +++ b/include/clocksource/arm_arch_timer.h @@ -31,18 +31,12 @@ #ifdef CONFIG_ARM_ARCH_TIMER -extern int arch_timer_init(void); extern u32 arch_timer_get_rate(void); extern u64 (*arch_timer_read_counter)(void); extern struct timecounter *arch_timer_get_timecounter(void); #else -static inline int arch_timer_init(void) -{ - return -ENXIO; -} - static inline u32 arch_timer_get_rate(void) { return 0; diff --git a/include/linux/of.h b/include/linux/of.h index 1b671c3809b..1fd08ca2310 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -387,6 +387,11 @@ static inline int of_device_is_compatible(const struct device_node *device, return 0; } +static inline int of_device_is_available(const struct device_node *device) +{ + return 0; +} + static inline struct property *of_find_property(const struct device_node *np, const char *name, int *lenp) diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h index a7b4fc386e6..3cc21c9cc1e 100644 --- a/include/linux/pata_arasan_cf_data.h +++ b/include/linux/pata_arasan_cf_data.h @@ -37,8 +37,6 @@ struct arasan_cf_pdata { #define CF_BROKEN_PIO (1) #define CF_BROKEN_MWDMA (1 << 1) #define CF_BROKEN_UDMA (1 << 2) - /* This is platform specific data for the DMA controller */ - void *dma_priv; }; static inline void |