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/*
* arch/sh/drivers/pci/fixups-sdk7780.c
*
* PCI fixups for the SDK7780SE03
*
* 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 <linux/io.h>
#include "pci-sh4.h"
/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
static char sdk7780_irq_tab[4][16] __initdata = {
/* INTA */
{ 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
/* INTB */
{ 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
/* INTC */
{ 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
/* INTD */
{ 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
};
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
return sdk7780_irq_tab[pin-1][slot];
}
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, 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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