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sh: pci: Convert the SH-5 code over to the new interface. 

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-04-20 20:40:48 +09:00
parent 3444f5ec49
commit 48e4237d96
4 changed files with 24 additions and 53 deletions
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2
arch/sh/drivers/pci/Kconfig
View File

@ -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

11
arch/sh/drivers/pci/ops-cayman.c
View File

@ -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));
}

60
arch/sh/drivers/pci/pci-sh5.c
View File

@ -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);
sh5_io_resource.start = PCI_IO_AREA;
sh5_io_resource.end = PCI_IO_AREA + 0x10000;
sh5_mem_resource.start = memStart;
sh5_mem_resource.end = memStart + memSize;
register_pci_controller(&sh5pci_controller);
return 0;
}
#define xPCIBIOS_MIN_IO board_pci_channels->io_resource->start
#define xPCIBIOS_MIN_MEM board_pci_channels->mem_resource->start
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;
}
}
arch_initcall(sh5pci_init);

4
arch/sh/drivers/pci/pci-sh5.h
View File

@ -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 */