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linux-next/arch/sh/drivers/pci/fixups-r7780rp.c
Paul Mundt a6d377b696 sh: pci: Consolidate SH7780 PCIC IRQ routing.
Now that the platform code is a bit leaner, we can start consolidating
the various IRQ routing implementations. There are effectively only 2
variants, and the others can use those directly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-04-17 20:11:44 +09:00

55 lines
1.5 KiB
C

/*
* arch/sh/drivers/pci/fixups-r7780rp.c
*
* Highlander R7780RP-1 PCI fixups
*
* Copyright (C) 2003 Lineo uSolutions, Inc.
* Copyright (C) 2004 - 2006 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/pci.h>
#include <linux/io.h>
#include "pci-sh4.h"
static char irq_tab[] __initdata = {
65, 66, 67, 68,
};
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
return irq_tab[slot];
}
int pci_fixup_pcic(struct pci_channel *chan)
{
pci_write_reg(chan, 0x000043ff, SH4_PCIINTM);
pci_write_reg(chan, 0x0000380f, SH4_PCIAINTM);
pci_write_reg(chan, 0xfbb00047, SH7780_PCICMD);
pci_write_reg(chan, 0x00000000, SH7780_PCIIBAR);
pci_write_reg(chan, 0x00011912, SH7780_PCISVID);
pci_write_reg(chan, 0x08000000, SH7780_PCICSCR0);
pci_write_reg(chan, 0x0000001b, SH7780_PCICSAR0);
pci_write_reg(chan, 0xfd000000, SH7780_PCICSCR1);
pci_write_reg(chan, 0x0000000f, SH7780_PCICSAR1);
pci_write_reg(chan, 0xfd000000, SH7780_PCIMBR0);
pci_write_reg(chan, 0x00fc0000, SH7780_PCIMBMR0);
#ifdef CONFIG_32BIT
pci_write_reg(chan, 0xc0000000, SH7780_PCIMBR2);
pci_write_reg(chan, 0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2);
#endif
/* Set IOBR for windows 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);
return 0;
}