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33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
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From 3c92a781de062064e36b867c0ab22f9aba48f3d3 Mon Sep 17 00:00:00 2001
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From: Eddi De Pieri <eddi@depieri.net>
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Date: Tue, 8 Nov 2016 17:38:00 +0100
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Subject: [PATCH] lantiq: pci: bar11mask fix
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Signed-off-by: Eddi De Pieri <eddi@depieri.net>
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---
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arch/mips/pci/pci-lantiq.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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--- a/arch/mips/pci/pci-lantiq.c
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+++ b/arch/mips/pci/pci-lantiq.c
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@@ -59,6 +59,8 @@
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#define ltq_pci_cfg_w32(x, y) ltq_w32((x), ltq_pci_mapped_cfg + (y))
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#define ltq_pci_cfg_r32(x) ltq_r32(ltq_pci_mapped_cfg + (x))
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+extern u32 max_low_pfn;
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+
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__iomem void *ltq_pci_mapped_cfg;
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static __iomem void *ltq_pci_membase;
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@@ -84,8 +86,8 @@ static inline u32 ltq_calc_bar11mask(voi
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u32 mem, bar11mask;
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/* BAR11MASK value depends on available memory on system. */
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- mem = get_num_physpages() * PAGE_SIZE;
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- bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) - 1)) - 1)) | 8;
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+ mem = max_low_pfn << PAGE_SHIFT;
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+ bar11mask = ((-roundup_pow_of_two(mem)) & 0x0F000000) | 8;
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return bar11mask;
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}
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