1*1da177e4SLinus Torvalds /* 2*1da177e4SLinus Torvalds * arch/sh/drivers/pci/fixups-rts7751r2d.c 3*1da177e4SLinus Torvalds * 4*1da177e4SLinus Torvalds * RTS7751R2D PCI fixups 5*1da177e4SLinus Torvalds * 6*1da177e4SLinus Torvalds * Copyright (C) 2003 Lineo uSolutions, Inc. 7*1da177e4SLinus Torvalds * Copyright (C) 2004 Paul Mundt 8*1da177e4SLinus Torvalds * 9*1da177e4SLinus Torvalds * This file is subject to the terms and conditions of the GNU General Public 10*1da177e4SLinus Torvalds * License. See the file "COPYING" in the main directory of this archive 11*1da177e4SLinus Torvalds * for more details. 12*1da177e4SLinus Torvalds */ 13*1da177e4SLinus Torvalds #include "pci-sh7751.h" 14*1da177e4SLinus Torvalds #include <asm/io.h> 15*1da177e4SLinus Torvalds 16*1da177e4SLinus Torvalds #define PCIMCR_MRSET_OFF 0xBFFFFFFF 17*1da177e4SLinus Torvalds #define PCIMCR_RFSH_OFF 0xFFFFFFFB 18*1da177e4SLinus Torvalds 19*1da177e4SLinus Torvalds int pci_fixup_pcic(void) 20*1da177e4SLinus Torvalds { 21*1da177e4SLinus Torvalds unsigned long bcr1, mcr; 22*1da177e4SLinus Torvalds 23*1da177e4SLinus Torvalds bcr1 = inl(SH7751_BCR1); 24*1da177e4SLinus Torvalds bcr1 |= 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */ 25*1da177e4SLinus Torvalds outl(bcr1, PCI_REG(SH7751_PCIBCR1)); 26*1da177e4SLinus Torvalds 27*1da177e4SLinus Torvalds /* Enable all interrupts, so we known what to fix */ 28*1da177e4SLinus Torvalds outl(0x0000c3ff, PCI_REG(SH7751_PCIINTM)); 29*1da177e4SLinus Torvalds outl(0x0000380f, PCI_REG(SH7751_PCIAINTM)); 30*1da177e4SLinus Torvalds 31*1da177e4SLinus Torvalds outl(0xfb900047, PCI_REG(SH7751_PCICONF1)); 32*1da177e4SLinus Torvalds outl(0xab000001, PCI_REG(SH7751_PCICONF4)); 33*1da177e4SLinus Torvalds 34*1da177e4SLinus Torvalds mcr = inl(SH7751_MCR); 35*1da177e4SLinus Torvalds mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF; 36*1da177e4SLinus Torvalds outl(mcr, PCI_REG(SH7751_PCIMCR)); 37*1da177e4SLinus Torvalds 38*1da177e4SLinus Torvalds outl(0x0c000000, PCI_REG(SH7751_PCICONF5)); 39*1da177e4SLinus Torvalds outl(0xd0000000, PCI_REG(SH7751_PCICONF6)); 40*1da177e4SLinus Torvalds outl(0x0c000000, PCI_REG(SH7751_PCILAR0)); 41*1da177e4SLinus Torvalds outl(0x00000000, PCI_REG(SH7751_PCILAR1)); 42*1da177e4SLinus Torvalds return 0; 43*1da177e4SLinus Torvalds } 44