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sh: pci: Convert the SH-5 code over to the new interface.
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt committed Apr 20, 2009
1 parent 3444f5e commit 48e4237
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Showing 4 changed files with 23 additions and 52 deletions.
2 changes: 1 addition & 1 deletion arch/sh/drivers/pci/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down
11 changes: 0 additions & 11 deletions arch/sh/drivers/pci/ops-cayman.c
Original file line number Diff line number Diff line change
Expand Up @@ -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));
}
58 changes: 22 additions & 36 deletions arch/sh/drivers/pci/pci-sh5.c
Original file line number Diff line number Diff line change
Expand Up @@ -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.
*/
Expand Down Expand Up @@ -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;

Expand Down Expand Up @@ -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);
4 changes: 0 additions & 4 deletions arch/sh/drivers/pci/pci-sh5.h
Original file line number Diff line number Diff line change
Expand Up @@ -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 */

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