satip-axe/kernel/arch/sh/drivers/pci/fixups-sdk7780.c
2015-03-26 17:24:57 +01:00

53 lines
1.6 KiB
C

/*
* 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);
/* Set up standard PCI config registers */
pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0); /* PCI */
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, SH4_PCILAR1);
pci_write_reg(chan, 0x00000000, SH4_PCILSR1);
pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR);
pci_write_reg(chan, 0xA5000C01, SH4_PCICR);
return 0;
}