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sh: pci: Start unifying the SH7780 PCIC initialization.

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This starts moving out the common initialization bits from the various
fixup paths in to the shared init path.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2009-04-17 20:37:16 +09:00
parent a6d377b696
commit 62c7ae87cb
4 changed files with 37 additions and 70 deletions
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32
arch/sh/drivers/pci/fixups-sdk7780.c
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@@ -35,40 +35,18 @@ int pci_fixup_pcic(struct pci_channel *chan)
{
/* Enable all interrupts, so we know what to fix */
pci_write_reg(chan, 0x0000C3FF, SH7780_PCIIMR);
pci_write_reg(chan, 0x0000380F, SH7780_PCIAINTM);
/* Set up standard PCI config registers */
pci_write_reg(chan, 0xFB00, SH7780_PCISTATUS);
pci_write_reg(chan, 0x0047, SH7780_PCICMD);
pci_write_reg(chan, 0x00, SH7780_PCIPIF);
pci_write_reg(chan, 0x1912, SH7780_PCISVID);
pci_write_reg(chan, 0x0001, SH7780_PCISID);
pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0); /* PCI */
pci_write_reg(chan, 0x08000000, SH7780_PCILAR0); /* SHwy */
pci_write_reg(chan, 0x07F00001, SH7780_PCILSR); /* size 128M w/ MBAR */
pci_write_reg(chan, 0x08000000, SH4_PCILAR0); /* SHwy */
pci_write_reg(chan, 0x07F00001, SH4_PCILSR0); /* size 128M w/ MBAR */
pci_write_reg(chan, 0x00000000, SH7780_PCIMBAR1);
pci_write_reg(chan, 0x00000000, SH7780_PCILAR1);
pci_write_reg(chan, 0x00000000, SH7780_PCILSR1);
pci_write_reg(chan, 0x00000000, SH4_PCILAR1);
pci_write_reg(chan, 0x00000000, SH4_PCILSR1);
pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR);
/*
* Set the MBR so PCI address is one-to-one with window,
* meaning all calls go straight through... use ifdef to
* catch erroneous assumption.
*/
pci_write_reg(chan, 0xFD000000 , SH7780_PCIMBR0);
pci_write_reg(chan, 0x00FC0000 , SH7780_PCIMBMR0); /* 16M */
/* Set IOBR for window containing area specified in pci.h */
pci_write_reg(chan, chan->io_resource->start & ~(SH7780_PCI_IO_SIZE-1),
SH7780_PCIIOBR);
pci_write_reg(chan, (SH7780_PCI_IO_SIZE-1) & (7 << 18),
SH7780_PCIIOBMR);
pci_write_reg(chan, 0xA5000C01, SH7780_PCICR);
pci_write_reg(chan, 0xA5000C01, SH4_PCICR);
return 0;
}