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