OpenWrt – Rev 4

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--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -61,6 +61,8 @@
 #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;
 
@@ -86,8 +88,8 @@ 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;
 }