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Date: Wed, 30 Jan 2013 14:24:53 +0800 From: Huacai Chen <chenhc@...ote.com> To: Ralf Baechle <ralf@...ux-mips.org> Cc: linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org, Fuxin Zhang <zhangfx@...ote.com>, Zhangjin Wu <wuzhangjin@...il.com>, Huacai Chen <chenhc@...ote.com>, Hongliang Tao <taohl@...ote.com>, Hua Yan <yanh@...ote.com> Subject: [PATCH V9 00/13] MIPS: Add Loongson-3 based machines support This patchset is for git repository git://git.linux-mips.org/pub/scm/ ralf/linux. Loongson-3 is a multi-core MIPS family CPU, it is MIPS64 compatible and has the same IMP field (0x6300) as Loongson-2. These patches make Linux kernel support Loongson-3 CPU and Loongson-3 based computers (including Laptop, Mini-ITX, All-In-One PC, etc.) V1 -> V2: 1, Split the first patch to two patches, one is constant definition and the other is CPU probing, cache initializing, etc. 2, Remove Kconfig options in the first 9 patches and put all of them in the 10th patch. 3, Use "make savedefconfig" to generate the new default config file. 4, Rework serial port support to use PORT and PORT_M macros. 5, Fix some compile warnings. V2 -> V3: 1, Improve cache flushing code (use cpu_has_coherent_cache macro and remove #ifdef clauses). 2, Improve platform-specific code to correctly set driver's dma_mask/ coherent_dma_mask so no longer need workarounds for each driver ( SATA, graphics card, sound card, etc.) 3, Use PCI quirk to provide vgabios and loongson3_read_bios() go away. 4, Improve CPU hotplug code and split the poweroff failure related code to another patch (this issue affect all MIPS CPU, not only Loongson). 5, Some other small fixes. V3 -> V4: 1, Include swiotlb.h in radeon_ttm.c if SWIOTLB configured. 2, Remove "Reviewed-by" in patches which are added by mistake. 3, Sync the code to upstream. V4 -> V5: 1, Split the drm patch to three patches. 2, Use platform-specific pincfgs to replace old alsa quirks. V5 -> V6: 1, For better management, two non-Loongson-specific patches are sent independently. 2, Introduce cpu_has_coherent_cache feature and split cache flushing changes to a separate patch. 3, Remove PRID_IMP_LOONGSON3 and use PRID_IMP_LOONGSON2 since they are the same. 4, Don't define RTC_ALWAYS_BCD for Loongson-3 since BCD format can be checked by RTC_CONTROL at runtime. 5, Don't modify dma-default.c for Loongson since it is unnecessary. 6, Don't define SAREA_MAX since it is useless. 7, Increase the default boost of internal mic for Lemote A1004. 8, Fix a #ifdef issue in dma-coherence.h. 9, Some other small fixes. V6 -> V7: 1, Fix boot failure when NR_CPUS is more than present cpus. 2, Fix error messages after poweroff & reboot. 3, Update the default config file. 4, Sync the code to upstream. V7 -> V8: 1, Add WEAK_ORDERING/WEAK_REORDERING_BEYOND_LLSC for Loongson-3. 2, Fix a deadlock of cpu-hotplug. 3, Include swiotlb.h in arch-specific code to avoid driver modification. 4, Remove the patch "drm: Handle io prot correctly for MIPS" since it is already in upstream code. 5, Remove the patch "ALSA: HDA: Make hda sound card usable for Loongson" since it is already in upstream code. 6, Use LZMA compression and do some adjustment of config file to reduce kernel size. V8 -> V9: 1, Fix spurious IPI interrupt. 2, remove __dev* attributes since CONFIG_HOTPLUG is going away as an option. 3, Use dev_info() to print messages in fixup-loongson3.c. 4, Update the default config file. 5, Sync the code to upstream. Huacai Chen(13): MIPS: Loongson: Add basic Loongson-3 definition. MIPS: Loongson: Add basic Loongson-3 CPU support. MIPS: Loongson: Introduce and use cpu_has_coherent_cache feature. MIPS: Loongson 3: Add Lemote-3A machtypes definition. MIPS: Loongson: Add UEFI-like firmware interface support. MIPS: Loongson 3: Add HT-linked PCI support. MIPS: Loongson 3: Add IRQ init and dispatch support. MIPS: Loongson 3: Add serial port support. MIPS: Loongson: Add swiotlb to support big memory (>4GB). MIPS: Loongson: Add Loongson-3 Kconfig options. MIPS: Loongson 3: Add Loongson-3 SMP support. MIPS: Loongson 3: Add CPU hotplug support. MIPS: Loongson: Add a Loongson-3 default config file. Signed-off-by: Huacai Chen <chenhc@...ote.com> Signed-off-by: Hongliang Tao <taohl@...ote.com> Signed-off-by: Hua Yan <yanh@...ote.com> --- arch/mips/Kconfig | 29 ++ arch/mips/configs/loongson3_defconfig | 329 ++++++++++++++ arch/mips/include/asm/addrspace.h | 6 + arch/mips/include/asm/bootinfo.h | 24 +- arch/mips/include/asm/cacheflush.h | 6 + arch/mips/include/asm/cpu-features.h | 3 + arch/mips/include/asm/cpu.h | 5 +- arch/mips/include/asm/dma-mapping.h | 5 + arch/mips/include/asm/mach-loongson/boot_param.h | 151 +++++++ .../asm/mach-loongson/cpu-feature-overrides.h | 6 + .../mips/include/asm/mach-loongson/dma-coherence.h | 23 + arch/mips/include/asm/mach-loongson/irq.h | 24 + arch/mips/include/asm/mach-loongson/loongson.h | 26 +- arch/mips/include/asm/mach-loongson/machine.h | 6 + arch/mips/include/asm/mach-loongson/pci.h | 5 + arch/mips/include/asm/mach-loongson/spaces.h | 15 + arch/mips/include/asm/module.h | 2 + arch/mips/include/asm/pgtable-bits.h | 7 + arch/mips/include/asm/smp.h | 1 + arch/mips/kernel/cpu-probe.c | 14 +- arch/mips/loongson/Kconfig | 52 +++ arch/mips/loongson/Makefile | 6 + arch/mips/loongson/Platform | 1 + arch/mips/loongson/common/Makefile | 5 + arch/mips/loongson/common/dma-swiotlb.c | 163 +++++++ arch/mips/loongson/common/env.c | 67 +++- arch/mips/loongson/common/init.c | 14 +- arch/mips/loongson/common/machtype.c | 20 +- arch/mips/loongson/common/mem.c | 42 ++ arch/mips/loongson/common/pci.c | 6 +- arch/mips/loongson/common/reset.c | 16 + arch/mips/loongson/common/serial.c | 26 +- arch/mips/loongson/common/setup.c | 8 +- arch/mips/loongson/common/uart_base.c | 9 +- arch/mips/loongson/loongson-3/Makefile | 6 + arch/mips/loongson/loongson-3/irq.c | 97 +++++ arch/mips/loongson/loongson-3/smp.c | 452 ++++++++++++++++++++ arch/mips/loongson/loongson-3/smp.h | 24 + arch/mips/mm/c-r4k.c | 83 ++++- arch/mips/mm/tlb-r4k.c | 2 +- arch/mips/mm/tlbex.c | 1 + arch/mips/pci/Makefile | 1 + arch/mips/pci/fixup-loongson3.c | 65 +++ arch/mips/pci/ops-loongson3.c | 104 +++++ 44 files changed, 1890 insertions(+), 67 deletions(-) create mode 100644 arch/mips/configs/loongson3_defconfig create mode 100644 arch/mips/include/asm/mach-loongson/boot_param.h create mode 100644 arch/mips/include/asm/mach-loongson/irq.h create mode 100644 arch/mips/include/asm/mach-loongson/spaces.h create mode 100644 arch/mips/loongson/common/dma-swiotlb.c create mode 100644 arch/mips/loongson/loongson-3/Makefile create mode 100644 arch/mips/loongson/loongson-3/irq.c create mode 100644 arch/mips/loongson/loongson-3/smp.c create mode 100644 arch/mips/loongson/loongson-3/smp.h create mode 100644 arch/mips/pci/fixup-loongson3.c create mode 100644 arch/mips/pci/ops-loongson3.c -- 1.7.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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