Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/lmb-2.6
[linux-2.6] / arch / sh / drivers / pci / fixups-lboxre2.c
1 /*
2  * arch/sh/drivers/pci/fixups-lboxre2.c
3  *
4  * L-BOX RE2 PCI fixups
5  *
6  * Copyright (C) 2007 Nobuhiro Iwamatsu
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License.  See the file "COPYING" in the main directory of this archive
10  * for more details.
11  */
12 #include "pci-sh4.h"
13
14 #define PCIMCR_MRSET_OFF        0xBFFFFFFF
15 #define PCIMCR_RFSH_OFF         0xFFFFFFFB
16
17 int pci_fixup_pcic(void)
18 {
19         unsigned long bcr1, mcr;
20
21         bcr1 = ctrl_inl(SH7751_BCR1);
22         bcr1 |= 0x40080000;     /* Enable Bit 19 BREQEN, set PCIC to slave */
23         pci_write_reg(bcr1, SH4_PCIBCR1);
24
25         /* Enable all interrupts, so we known what to fix */
26         pci_write_reg(0x0000c3ff, SH4_PCIINTM);
27         pci_write_reg(0x0000380f, SH4_PCIAINTM);
28         pci_write_reg(0xfb900047, SH7751_PCICONF1);
29         pci_write_reg(0xab000001, SH7751_PCICONF4);
30
31         mcr = ctrl_inl(SH7751_MCR);
32         mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
33         pci_write_reg(mcr, SH4_PCIMCR);
34
35         pci_write_reg(0x0c000000, SH7751_PCICONF5);
36         pci_write_reg(0xd0000000, SH7751_PCICONF6);
37         pci_write_reg(0x0c000000, SH4_PCILAR0);
38         pci_write_reg(0x00000000, SH4_PCILAR1);
39
40         return 0;
41 }