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44 lines
1.2 KiB
44 lines
1.2 KiB
20 years ago
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/*
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* arch/sh/drivers/pci/fixups-rts7751r2d.c
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*
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* RTS7751R2D PCI fixups
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*
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* Copyright (C) 2003 Lineo uSolutions, Inc.
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* Copyright (C) 2004 Paul Mundt
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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 "pci-sh7751.h"
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#include <asm/io.h>
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#define PCIMCR_MRSET_OFF 0xBFFFFFFF
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#define PCIMCR_RFSH_OFF 0xFFFFFFFB
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int pci_fixup_pcic(void)
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{
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unsigned long bcr1, mcr;
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bcr1 = inl(SH7751_BCR1);
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bcr1 |= 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */
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outl(bcr1, PCI_REG(SH7751_PCIBCR1));
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/* Enable all interrupts, so we known what to fix */
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outl(0x0000c3ff, PCI_REG(SH7751_PCIINTM));
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outl(0x0000380f, PCI_REG(SH7751_PCIAINTM));
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outl(0xfb900047, PCI_REG(SH7751_PCICONF1));
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outl(0xab000001, PCI_REG(SH7751_PCICONF4));
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mcr = inl(SH7751_MCR);
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mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
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outl(mcr, PCI_REG(SH7751_PCIMCR));
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outl(0x0c000000, PCI_REG(SH7751_PCICONF5));
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outl(0xd0000000, PCI_REG(SH7751_PCICONF6));
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outl(0x0c000000, PCI_REG(SH7751_PCILAR0));
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outl(0x00000000, PCI_REG(SH7751_PCILAR1));
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return 0;
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}
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