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/*
* arch/sh/drivers/pci/fixups-se7780.c
*
* HITACHI UL Solution Engine 7780 PCI fixups
*
* Copyright (C) 2003 Lineo uSolutions, Inc.
* Copyright (C) 2004 - 2006 Paul Mundt
* Copyright (C) 2006 Nobuhiro Iwamatsu
*
* 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 "pci-sh4.h"
#include <asm/io.h>
int pci_fixup_pcic(struct pci_channel *chan)
{
ctrl_outl(0x00000001, SH7780_PCI_VCR2);
/* 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 */
ctrl_outw(0xFB00, PCI_REG(SH7780_PCISTATUS));
ctrl_outw(0x0047, PCI_REG(SH7780_PCICMD));
ctrl_outb( 0x00, PCI_REG(SH7780_PCIPIF));
ctrl_outb( 0x00, PCI_REG(SH7780_PCISUB));
ctrl_outb( 0x06, PCI_REG(SH7780_PCIBCC));
ctrl_outw(0x1912, PCI_REG(SH7780_PCISVID));
ctrl_outw(0x0001, PCI_REG(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, 0x00000000, SH7780_PCIMBAR1);
pci_write_reg(chan, 0x00000000, SH7780_PCILAR1);
pci_write_reg(chan, 0x00000000, SH7780_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);
return 0;
}
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