[MIPS] Alchemy: fix PCI resource conflict

... by getting the PCI resources back into the 32-bit range -- there's no
need therefore for CONFIG_RESOURCES_64BIT either. This makes Alchemy PCI
work again while currently the kernel skips the bus scan.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 9 insertions, 17 deletions

diff --git a/arch/mips/au1000/Kconfig b/arch/mips/au1000/Kconfig
index 05d1354aad3a..1fe97cccead1 100644
--- a/arch/mips/au1000/Kconfig
+++ b/arch/mips/au1000/Kconfig
@@ -7,7 +7,6 @@ config MIPS_MTX1
         bool "4G Systems MTX-1 board"
         select DMA_NONCOHERENT
         select HW_HAS_PCI
-        select RESOURCES_64BIT if PCI
         select SOC_AU1500
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
@@ -22,7 +21,6 @@ config MIPS_DB1000
         select SOC_AU1000
         select DMA_NONCOHERENT
         select HW_HAS_PCI
-        select RESOURCES_64BIT if PCI
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config MIPS_DB1100
@@ -44,7 +42,6 @@ config MIPS_DB1500
         select DMA_NONCOHERENT
         select HW_HAS_PCI
         select MIPS_DISABLE_OBSOLETE_IDE
-        select RESOURCES_64BIT if PCI
         select SYS_SUPPORTS_BIG_ENDIAN
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
@@ -54,7 +51,6 @@ config MIPS_DB1550
         select HW_HAS_PCI
         select DMA_NONCOHERENT
         select MIPS_DISABLE_OBSOLETE_IDE
-        select RESOURCES_64BIT if PCI
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config MIPS_MIRAGE
@@ -68,7 +64,6 @@ config MIPS_PB1000
         select SOC_AU1000
         select DMA_NONCOHERENT
         select HW_HAS_PCI
-        select RESOURCES_64BIT if PCI
         select SWAP_IO_SPACE
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
@@ -77,7 +72,6 @@ config MIPS_PB1100
         select SOC_AU1100
         select DMA_NONCOHERENT
         select HW_HAS_PCI
-        select RESOURCES_64BIT if PCI
         select SWAP_IO_SPACE
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
@@ -86,7 +80,6 @@ config MIPS_PB1200
         select SOC_AU1200
         select DMA_NONCOHERENT
         select MIPS_DISABLE_OBSOLETE_IDE
-        select RESOURCES_64BIT if PCI
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config MIPS_PB1500
@@ -94,7 +87,6 @@ config MIPS_PB1500
         select SOC_AU1500
         select DMA_NONCOHERENT
         select HW_HAS_PCI
-        select RESOURCES_64BIT if PCI
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config MIPS_PB1550
@@ -103,7 +95,6 @@ config MIPS_PB1550
         select DMA_NONCOHERENT
         select HW_HAS_PCI
         select MIPS_DISABLE_OBSOLETE_IDE
-        select RESOURCES_64BIT if PCI
         select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config MIPS_XXS1500
diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c
index 9be99a68932a..6fa70a36a250 100644
--- a/arch/mips/au1000/common/pci.c
+++ b/arch/mips/au1000/common/pci.c
@@ -39,15 +39,15 @@
 
 /* TBD */
 static struct resource pci_io_resource = {
-        .start  = (resource_size_t)PCI_IO_START,
-        .end    = (resource_size_t)PCI_IO_END,
+        .start  = PCI_IO_START,
+        .end    = PCI_IO_END,
         .name   = "PCI IO space",
         .flags  = IORESOURCE_IO
 };
 
 static struct resource pci_mem_resource = {
-        .start  = (resource_size_t)PCI_MEM_START,
-        .end    = (resource_size_t)PCI_MEM_END,
+        .start  = PCI_MEM_START,
+        .end    = PCI_MEM_END,
         .name   = "PCI memory space",
         .flags  = IORESOURCE_MEM
 };
diff --git a/include/asm-mips/mach-au1x00/au1000.h b/include/asm-mips/mach-au1x00/au1000.h
index bf7701243d71..cb18af989645 100644
--- a/include/asm-mips/mach-au1x00/au1000.h
+++ b/include/asm-mips/mach-au1x00/au1000.h
@@ -1680,10 +1680,11 @@ enum soc_au1200_ints {
 #define Au1500_PCI_MEM_START      0x440000000ULL
 #define Au1500_PCI_MEM_END        0x44FFFFFFFULL
 
-#define PCI_IO_START    (Au1500_PCI_IO_START + 0x1000)
-#define PCI_IO_END      (Au1500_PCI_IO_END)
-#define PCI_MEM_START   (Au1500_PCI_MEM_START)
-#define PCI_MEM_END     (Au1500_PCI_MEM_END)
+#define PCI_IO_START    0x00001000
+#define PCI_IO_END      0x000FFFFF
+#define PCI_MEM_START   0x40000000
+#define PCI_MEM_END     0x4FFFFFFF
+
 #define PCI_FIRST_DEVFN (0<<3)
 #define PCI_LAST_DEVFN  (19<<3)