Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * arch/sh/drivers/pci/fixups-rts7751r2d.c |
| 3 | * |
| 4 | * RTS7751R2D PCI fixups |
| 5 | * |
| 6 | * Copyright (C) 2003 Lineo uSolutions, Inc. |
| 7 | * Copyright (C) 2004 Paul Mundt |
| 8 | * |
| 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 |
| 11 | * for more details. |
| 12 | */ |
| 13 | #include "pci-sh7751.h" |
| 14 | #include <asm/io.h> |
| 15 | |
| 16 | #define PCIMCR_MRSET_OFF 0xBFFFFFFF |
| 17 | #define PCIMCR_RFSH_OFF 0xFFFFFFFB |
| 18 | |
| 19 | int pci_fixup_pcic(void) |
| 20 | { |
| 21 | unsigned long bcr1, mcr; |
| 22 | |
| 23 | bcr1 = inl(SH7751_BCR1); |
| 24 | bcr1 |= 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */ |
| 25 | outl(bcr1, PCI_REG(SH7751_PCIBCR1)); |
| 26 | |
| 27 | /* Enable all interrupts, so we known what to fix */ |
| 28 | outl(0x0000c3ff, PCI_REG(SH7751_PCIINTM)); |
| 29 | outl(0x0000380f, PCI_REG(SH7751_PCIAINTM)); |
| 30 | |
| 31 | outl(0xfb900047, PCI_REG(SH7751_PCICONF1)); |
| 32 | outl(0xab000001, PCI_REG(SH7751_PCICONF4)); |
| 33 | |
| 34 | mcr = inl(SH7751_MCR); |
| 35 | mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF; |
| 36 | outl(mcr, PCI_REG(SH7751_PCIMCR)); |
| 37 | |
| 38 | outl(0x0c000000, PCI_REG(SH7751_PCICONF5)); |
| 39 | outl(0xd0000000, PCI_REG(SH7751_PCICONF6)); |
| 40 | outl(0x0c000000, PCI_REG(SH7751_PCILAR0)); |
| 41 | outl(0x00000000, PCI_REG(SH7751_PCILAR1)); |
| 42 | return 0; |
| 43 | } |