MIPS: Loongson: Add basic Loongson 2F support

[pandora-kernel.git] / arch / mips / loongson / common / pci.c

diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c
index a7eb8b9..eac43b8 100644 (file)
--- a/arch/mips/loongson/common/pci.c
+++ b/arch/mips/loongson/common/pci.c
@@ -67,6 +67,14 @@ static void __init setup_pcimap(void)
        /* can not change gnt to break pci transfer when device's gnt not
        deassert for some broken device */
        LOONGSON_PXARB_CFG = 0x00fe0105ul;
+
+#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
+       /*
+        * set cpu addr window2 to map CPU address space to PCI address space
+        */
+       LOONGSON_ADDRWIN_CPUTOPCI(ADDRWIN_WIN2, LOONGSON_CPU_MEM_SRC,
+               LOONGSON_PCI_MEM_DST, MMAP_CPUTOPCI_SIZE);
+#endif
 }
 
 static int __init pcibios_init(void)