2 * arch/sh/drivers/pci/fixups-rts7751r2d.c
4 * RTS7751R2D PCI fixups
6 * Copyright (C) 2003 Lineo uSolutions, Inc.
7 * Copyright (C) 2004 Paul Mundt
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file "COPYING" in the main directory of this archive
15 #define PCIMCR_MRSET_OFF 0xBFFFFFFF
16 #define PCIMCR_RFSH_OFF 0xFFFFFFFB
18 int pci_fixup_pcic(void)
20 unsigned long bcr1
, mcr
;
22 bcr1
= inl(SH7751_BCR1
);
23 bcr1
|= 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */
24 pci_write_reg(bcr1
, SH4_PCIBCR1
);
26 /* Enable all interrupts, so we known what to fix */
27 pci_write_reg(0x0000c3ff, SH4_PCIINTM
);
28 pci_write_reg(0x0000380f, SH4_PCIAINTM
);
30 pci_write_reg(0xfb900047, SH7751_PCICONF1
);
31 pci_write_reg(0xab000001, SH7751_PCICONF4
);
33 mcr
= inl(SH7751_MCR
);
34 mcr
= (mcr
& PCIMCR_MRSET_OFF
) & PCIMCR_RFSH_OFF
;
35 pci_write_reg(mcr
, SH4_PCIMCR
);
37 pci_write_reg(0x0c000000, SH7751_PCICONF5
);
38 pci_write_reg(0xd0000000, SH7751_PCICONF6
);
39 pci_write_reg(0x0c000000, SH4_PCILAR0
);
40 pci_write_reg(0x00000000, SH4_PCILAR1
);