[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>
diff --git a/arch/mips/au1000/Kconfig b/arch/mips/au1000/Kconfig
index 05d1354..1fe97cc 100644
--- a/arch/mips/au1000/Kconfig
+++ b/arch/mips/au1000/Kconfig
@@ -7,7 +7,6 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 9be99a68..6fa70a3 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 bf77012..cb18af9 100644
--- a/include/asm-mips/mach-au1x00/au1000.h
+++ b/include/asm-mips/mach-au1x00/au1000.h
@@ -1680,10 +1680,11 @@
#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)