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arm64: Extend the PCI I/O space to 16MB
The patch moves the PCI I/O space (currently at 64K) before the earlyprintk mapping and extends it to 16MB. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git Git-commit: 22bd1c91fe13d59cff734b69b6757adcfbd8dee9 [joonwoop@codeaurora.org: fixed trivial merge conflict. arm64 pcie change merged first] Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
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@ -35,11 +35,13 @@ ffffffbc00000000 ffffffbdffffffff 8GB vmemmap
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ffffffbe00000000 ffffffbffbbfffff ~8GB [guard, future vmmemap]
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ffffffbffa000000 ffffffbffaffffff 16MB PCI I/O space
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ffffffbffb000000 ffffffbffbbfffff 12MB [guard]
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ffffffbffbc00000 ffffffbffbdfffff 2MB earlyprintk device
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ffffffbffbe00000 ffffffbffbe0ffff 64KB PCI I/O space
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ffffffbbffff0000 ffffffbcffffffff ~2MB [guard]
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ffffffbffbe00000 ffffffbffbffffff 2MB [guard]
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ffffffbffc000000 ffffffbfffffffff 64MB modules
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@ -60,11 +62,13 @@ fffffdfc00000000 fffffdfdffffffff 8GB vmemmap
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fffffdfe00000000 fffffdfffbbfffff ~8GB [guard, future vmmemap]
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fffffdfffa000000 fffffdfffaffffff 16MB PCI I/O space
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fffffdfffb000000 fffffdfffbbfffff 12MB [guard]
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fffffdfffbc00000 fffffdfffbdfffff 2MB earlyprintk device
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fffffdfffbe00000 fffffdfffbe0ffff 64KB PCI I/O space
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fffffdfffbe10000 fffffdfffbffffff ~2MB [guard]
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fffffdfffbe00000 fffffdfffbffffff 2MB [guard]
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fffffdfffc000000 fffffdffffffffff 64MB modules
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@ -170,7 +170,7 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
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/*
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* I/O port access primitives.
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*/
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#define PCI_IOBASE ((void __iomem *)(MODULES_VADDR - SZ_2M))
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#define PCI_IOBASE ((void __iomem *)(MODULES_VADDR - SZ_32M))
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#if defined(CONFIG_PCI)
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#define IO_SPACE_LIMIT ((resource_size_t)0xffffffff)
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