Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle: o Add basic support for the Mediatek/Ralink Wireless SoC family. o The Qualcomm Atheros platform is extended by support for the new QCA955X SoC series as well as a bunch of patches that get the code ready for OF support. o Lantiq and BCM47XX platform have a few improvements and bug fixes. o MIPS has sent a few patches that get the kernel ready for the upcoming microMIPS support. o The rest of the series is made up of small bug fixes and cleanups that relate to various parts of the MIPS code. The biggy in there is a whitespace cleanup. After I was sent another set of whitespace cleanup patches I decided it was the time to clean the whitespace "issues" for once and and that touches many files below arch/mips/. Fix up silly conflicts, mostly due to whitespace cleanups. * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (105 commits) MIPS: Quit exporting kernel internel break codes to uapi/asm/break.h MIPS: remove broken conditional inside vpe loader code MIPS: SMTC: fix implicit declaration of set_vi_handler MIPS: early_printk: drop __init annotations MIPS: Probe for and report hardware virtualization support. MIPS: ath79: add support for the Qualcomm Atheros AP136-010 board MIPS: ath79: add USB controller registration code for the QCA955X SoCs MIPS: ath79: add PCI controller registration code for the QCA955X SoCs MIPS: ath79: add WMAC registration code for the QCA955X SoCs MIPS: ath79: register UART for the QCA955X SoCs MIPS: ath79: add QCA955X specific glue to ath79_device_reset_{set, clear} MIPS: ath79: add GPIO setup code for the QCA955X SoCs MIPS: ath79: add IRQ handling code for the QCA955X SoCs MIPS: ath79: add clock setup code for the QCA955X SoCs MIPS: ath79: add SoC detection code for the QCA955X SoCs MIPS: ath79: add early printk support for the QCA955X SoCs MIPS: ath79: fix WMAC IRQ resource assignment mips: reserve elfcorehdr mips: Make sure kernel memory is in iomem MIPS: ath79: use dynamically allocated USB platform devices ...
このコミットが含まれているのは:
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MIPS CPU interrupt controller
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On MIPS the mips_cpu_intc_init() helper can be used to initialize the 8 CPU
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IRQs from a devicetree file and create a irq_domain for IRQ controller.
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With the irq_domain in place we can describe how the 8 IRQs are wired to the
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platforms internal interrupt controller cascade.
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Below is an example of a platform describing the cascade inside the devicetree
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and the code used to load it inside arch_init_irq().
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Required properties:
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- compatible : Should be "mti,cpu-interrupt-controller"
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Example devicetree:
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cpu-irq: cpu-irq@0 {
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#address-cells = <0>;
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interrupt-controller;
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#interrupt-cells = <1>;
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compatible = "mti,cpu-interrupt-controller";
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};
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intc: intc@200 {
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compatible = "ralink,rt2880-intc";
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reg = <0x200 0x100>;
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&cpu-irq>;
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interrupts = <2>;
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};
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Example platform irq.c:
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static struct of_device_id __initdata of_irq_ids[] = {
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{ .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init },
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{ .compatible = "ralink,rt2880-intc", .data = intc_of_init },
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{},
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};
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void __init arch_init_irq(void)
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{
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of_irq_init(of_irq_ids);
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}
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Lantiq SoC ASC serial controller
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Required properties:
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- compatible : Should be "lantiq,asc"
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- reg : Address and length of the register set for the device
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- interrupts: the 3 (tx rx err) interrupt numbers. The interrupt specifier
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depends on the interrupt-parent interrupt controller.
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Example:
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asc1: serial@E100C00 {
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compatible = "lantiq,asc";
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reg = <0xE100C00 0x400>;
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interrupt-parent = <&icu0>;
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interrupts = <112 113 114>;
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};
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