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authorPaul Mundt <lethal@linux-sh.org>2009-04-20 20:40:48 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-04-20 20:40:48 +0900
commit48e4237d96fdcb1237b63bcddb37771f97452eec (patch)
tree8a3f8ea4bff0f4545560fbeb6e3d1c06f882cf46 /arch/sh
parent3444f5ec49bc6cb901ffea38e085db1d76e1189c (diff)
downloadlwn-48e4237d96fdcb1237b63bcddb37771f97452eec.tar.gz
lwn-48e4237d96fdcb1237b63bcddb37771f97452eec.zip
sh: pci: Convert the SH-5 code over to the new interface.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/drivers/pci/Kconfig2
-rw-r--r--arch/sh/drivers/pci/ops-cayman.c11
-rw-r--r--arch/sh/drivers/pci/pci-sh5.c58
-rw-r--r--arch/sh/drivers/pci/pci-sh5.h4
4 files changed, 23 insertions, 52 deletions
diff --git a/arch/sh/drivers/pci/Kconfig b/arch/sh/drivers/pci/Kconfig
index efe8cf965a9b..f9fb1d1b623e 100644
--- a/arch/sh/drivers/pci/Kconfig
+++ b/arch/sh/drivers/pci/Kconfig
@@ -23,7 +23,7 @@ config PCI_NEW
bool
depends on PCI
default y if CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7780 || \
- CPU_SUBTYPE_SH7785
+ CPU_SUBTYPE_SH7785 || CPU_SH5
# This is also board-specific
config PCI_AUTO
diff --git a/arch/sh/drivers/pci/ops-cayman.c b/arch/sh/drivers/pci/ops-cayman.c
index cbaaf0234b72..b68b61d22c6c 100644
--- a/arch/sh/drivers/pci/ops-cayman.c
+++ b/arch/sh/drivers/pci/ops-cayman.c
@@ -75,14 +75,3 @@ int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
return result;
}
-
-struct pci_channel board_pci_channels[] = {
- { sh5_pci_init, &sh5_pci_ops, NULL, NULL, 0, 0xff },
- { NULL, NULL, NULL, 0, 0 },
-};
-
-int __init pcibios_init_platform(void)
-{
- return sh5pci_init(__pa(memory_start),
- __pa(memory_end) - __pa(memory_start));
-}
diff --git a/arch/sh/drivers/pci/pci-sh5.c b/arch/sh/drivers/pci/pci-sh5.c
index 7750da276284..cf431852213c 100644
--- a/arch/sh/drivers/pci/pci-sh5.c
+++ b/arch/sh/drivers/pci/pci-sh5.c
@@ -27,12 +27,6 @@
unsigned long pcicr_virt;
unsigned long PCI_IO_AREA;
-int __init sh5_pci_init(struct pci_channel *chan)
-{
- pr_debug("PCI: Starting intialization.\n");
- return pcibios_init_platform();
-}
-
/* Rounds a number UP to the nearest power of two. Used for
* sizing the PCI window.
*/
@@ -95,8 +89,21 @@ static irqreturn_t pcish5_serr_irq(int irq, void *dev_id)
return IRQ_NONE;
}
-int __init sh5pci_init(unsigned long memStart, unsigned long memSize)
+static struct resource sh5_io_resource = { /* place holder */ };
+static struct resource sh5_mem_resource = { /* place holder */ };
+
+static struct pci_channel sh5pci_controller = {
+ .pci_ops = &sh5_pci_ops,
+ .mem_resource = &sh5_mem_resource,
+ .mem_offset = 0x00000000,
+ .io_resource = &sh5_io_resource,
+ .io_offset = 0x00000000,
+};
+
+static int __init sh5pci_init(void)
{
+ unsigned long memStart = __pa(memory_start);
+ unsigned long memSize = __pa(memory_end) - memStart;
u32 lsr0;
u32 uval;
@@ -203,35 +210,14 @@ int __init sh5pci_init(unsigned long memStart, unsigned long memSize)
SH5PCI_WRITE(AINTM, ~0);
SH5PCI_WRITE(PINTM, ~0);
- return 0;
-}
+ sh5_io_resource.start = PCI_IO_AREA;
+ sh5_io_resource.end = PCI_IO_AREA + 0x10000;
-#define xPCIBIOS_MIN_IO board_pci_channels->io_resource->start
-#define xPCIBIOS_MIN_MEM board_pci_channels->mem_resource->start
+ sh5_mem_resource.start = memStart;
+ sh5_mem_resource.end = memStart + memSize;
-void __devinit pcibios_fixup_bus(struct pci_bus *bus)
-{
- struct pci_dev *dev = bus->self;
- int i;
-
- if (dev) {
- for (i= 0; i < 3; i++) {
- bus->resource[i] =
- &dev->resource[PCI_BRIDGE_RESOURCES+i];
- bus->resource[i]->name = bus->name;
- }
- bus->resource[0]->flags |= IORESOURCE_IO;
- bus->resource[1]->flags |= IORESOURCE_MEM;
-
- /* For now, propagate host limits to the bus;
- * we'll adjust them later. */
- bus->resource[0]->end = 64*1024 - 1 ;
- bus->resource[1]->end = xPCIBIOS_MIN_MEM+(256*1024*1024)-1;
- bus->resource[0]->start = xPCIBIOS_MIN_IO;
- bus->resource[1]->start = xPCIBIOS_MIN_MEM;
-
- /* Turn off downstream PF memory address range by default */
- bus->resource[2]->start = 1024*1024;
- bus->resource[2]->end = bus->resource[2]->start - 1;
- }
+ register_pci_controller(&sh5pci_controller);
+
+ return 0;
}
+arch_initcall(sh5pci_init);
diff --git a/arch/sh/drivers/pci/pci-sh5.h b/arch/sh/drivers/pci/pci-sh5.h
index af09f384c7d2..f277628221f3 100644
--- a/arch/sh/drivers/pci/pci-sh5.h
+++ b/arch/sh/drivers/pci/pci-sh5.h
@@ -107,8 +107,4 @@ extern unsigned long pcicr_virt;
extern struct pci_ops sh5_pci_ops;
-/* arch/sh/drivers/pci/pci-sh5.c */
-int sh5_pci_init(struct pci_channel *chan);
-int sh5pci_init(unsigned long memStart, unsigned long memSize);
-
#endif /* __PCI_SH5_H */