53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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* arch/sh/drivers/pci/fixups-sdk7780.c
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*
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* PCI fixups for the SDK7780SE03
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*
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* Copyright (C) 2003 Lineo uSolutions, Inc.
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* Copyright (C) 2004 - 2006 Paul Mundt
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* Copyright (C) 2006 Nobuhiro Iwamatsu
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/pci.h>
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#include <linux/io.h>
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#include "pci-sh4.h"
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/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
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static char sdk7780_irq_tab[4][16] __initdata = {
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/* INTA */
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{ 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
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/* INTB */
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{ 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
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/* INTC */
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{ 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
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/* INTD */
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{ 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
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};
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int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
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{
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return sdk7780_irq_tab[pin-1][slot];
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}
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int pci_fixup_pcic(struct pci_channel *chan)
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{
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/* Enable all interrupts, so we know what to fix */
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pci_write_reg(chan, 0x0000C3FF, SH7780_PCIIMR);
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/* Set up standard PCI config registers */
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pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0); /* PCI */
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pci_write_reg(chan, 0x08000000, SH4_PCILAR0); /* SHwy */
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pci_write_reg(chan, 0x07F00001, SH4_PCILSR0); /* size 128M w/ MBAR */
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pci_write_reg(chan, 0x00000000, SH7780_PCIMBAR1);
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pci_write_reg(chan, 0x00000000, SH4_PCILAR1);
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pci_write_reg(chan, 0x00000000, SH4_PCILSR1);
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pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR);
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pci_write_reg(chan, 0xA5000C01, SH4_PCICR);
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return 0;
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}
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