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Message-ID: <1343092165-9470-1-git-send-email-cyril@ti.com> Date: Mon, 23 Jul 2012 21:09:02 -0400 From: Cyril Chemparathy <cyril@...com> To: <linux-arm-kernel@...ts.infradead.org> CC: <linux-kernel@...r.kernel.org>, <nico@...aro.org>, <will.deacon@....com>, <catalin.marinas@....com>, Cyril Chemparathy <cyril@...com> Subject: [RFC 00/23] Introducing the TI Keystone platform TI's scalable KeyStone II architecture includes support for both TMS320C66x floating point DSPs and ARM Cortex-A15 clusters, for a mixture of up to 32 cores per SoC. The solution is optimized around a high performance chip interconnect and a rich set of on chip peripherals. Please refer [1] for initial technical documentation on these devices. This patch series provides a basic Linux port for these devices, including support for SMP, and LPAE boot. A majority of the patches in this series are related to LPAE functionality, imposed by the device architecture which has system memory mapped at an address above the 4G 32-bit addressable limit. This patch series is based on the v3.5 kernel with the smp_ops patch set applied on top. This series is being posted to elicit early feedback, and so that some of these fixes may get incorporated early on into the kernel code. [1] - http://www.ti.com/product/tms320tci6636 Cyril Chemparathy (17): ARM: LPAE: use signed arithmetic for mask definitions ARM: LPAE: use phys_addr_t on virt <--> phys conversion ARM: LPAE: use phys_addr_t for membank size ARM: LPAE: use 64-bit pgd physical address in switch_mm() ARM: LPAE: use 64-bit accessors for TTBR registers ARM: mm: use physical addresses in highmem sanity checks ARM: mm: cleanup checks for membank overlap with vmalloc area ARM: mm: clean up membank size limit checks ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem ARM: LPAE: factor out T1SZ and TTBR1 computations ARM: LPAE: allow proc override of TTB setup ARM: LPAE: accomodate >32-bit addresses for page table base ARM: add machine desc hook for early memory/paging initialization drivers: cma: fix addressing on PAE machines ARM: keystone: introducing TI Keystone platform ARM: keystone: enable SMP on Keystone machines ARM: keystone: add switch over to high physical address range Vitaly Andrianov (6): ARM: LPAE: disable phys-to-virt patching on PAE systems ARM: LPAE: use phys_addr_t in alloc_init_pud() ARM: LPAE: use phys_addr_t in free_memmap() ARM: LPAE: use phys_addr_t for initrd location and size ARM: add virt_to_idmap for interconnect aliasing mm: bootmem: use phys_addr_t for physical addresses arch/arm/Kconfig | 20 +++ arch/arm/Makefile | 1 + arch/arm/boot/dts/keystone-sim.dts | 77 +++++++++ arch/arm/configs/keystone_defconfig | 23 +++ arch/arm/include/asm/cache.h | 9 ++ arch/arm/include/asm/mach/arch.h | 1 + arch/arm/include/asm/memory.h | 28 +++- arch/arm/include/asm/page.h | 7 +- arch/arm/include/asm/pgtable-3level-hwdef.h | 10 ++ arch/arm/include/asm/pgtable-3level.h | 6 +- arch/arm/include/asm/proc-fns.h | 28 +++- arch/arm/include/asm/setup.h | 4 +- arch/arm/kernel/head.S | 18 ++- arch/arm/kernel/setup.c | 3 + arch/arm/kernel/smp.c | 11 +- arch/arm/mach-keystone/Makefile | 2 + arch/arm/mach-keystone/Makefile.boot | 1 + arch/arm/mach-keystone/include/mach/debug-macro.S | 44 +++++ arch/arm/mach-keystone/include/mach/entry-macro.S | 20 +++ arch/arm/mach-keystone/include/mach/io.h | 22 +++ arch/arm/mach-keystone/include/mach/memory.h | 51 ++++++ arch/arm/mach-keystone/include/mach/system.h | 30 ++++ arch/arm/mach-keystone/include/mach/timex.h | 21 +++ arch/arm/mach-keystone/include/mach/uncompress.h | 24 +++ arch/arm/mach-keystone/include/mach/vmalloc.h | 21 +++ arch/arm/mach-keystone/keystone.c | 178 +++++++++++++++++++++ arch/arm/mach-keystone/platsmp.c | 94 +++++++++++ arch/arm/mm/context.c | 13 +- arch/arm/mm/idmap.c | 4 +- arch/arm/mm/init.c | 20 +-- arch/arm/mm/mmu.c | 49 ++---- arch/arm/mm/proc-arm1026.S | 3 + arch/arm/mm/proc-mohawk.S | 3 + arch/arm/mm/proc-v6.S | 6 +- arch/arm/mm/proc-v7-2level.S | 7 +- arch/arm/mm/proc-v7-3level.S | 29 ++-- arch/arm/mm/proc-v7.S | 2 + arch/arm/mm/proc-xsc3.S | 3 + drivers/base/dma-contiguous.c | 4 +- include/linux/bootmem.h | 30 ++-- mm/bootmem.c | 59 +++---- 41 files changed, 840 insertions(+), 146 deletions(-) create mode 100644 arch/arm/boot/dts/keystone-sim.dts create mode 100644 arch/arm/configs/keystone_defconfig create mode 100644 arch/arm/mach-keystone/Makefile create mode 100644 arch/arm/mach-keystone/Makefile.boot create mode 100644 arch/arm/mach-keystone/include/mach/debug-macro.S create mode 100644 arch/arm/mach-keystone/include/mach/entry-macro.S create mode 100644 arch/arm/mach-keystone/include/mach/io.h create mode 100644 arch/arm/mach-keystone/include/mach/memory.h create mode 100644 arch/arm/mach-keystone/include/mach/system.h create mode 100644 arch/arm/mach-keystone/include/mach/timex.h create mode 100644 arch/arm/mach-keystone/include/mach/uncompress.h create mode 100644 arch/arm/mach-keystone/include/mach/vmalloc.h create mode 100644 arch/arm/mach-keystone/keystone.c create mode 100644 arch/arm/mach-keystone/platsmp.c -- 1.7.9.5 -- 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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