2 * arch/sh/drivers/pci/fixups-se7780.c
4 * HITACHI UL Solution Engine 7780 PCI fixups
6 * Copyright (C) 2003 Lineo uSolutions, Inc.
7 * Copyright (C) 2004 - 2006 Paul Mundt
8 * Copyright (C) 2006 Nobuhiro Iwamatsu
10 * This file is subject to the terms and conditions of the GNU General Public
11 * License. See the file "COPYING" in the main directory of this archive
14 #include <linux/pci.h>
18 int pci_fixup_pcic(void)
20 ctrl_outl(0x00000001, SH7780_PCI_VCR2);
22 /* Enable all interrupts, so we know what to fix */
23 pci_write_reg(0x0000C3FF, SH7780_PCIIMR);
24 pci_write_reg(0x0000380F, SH7780_PCIAINTM);
26 /* Set up standard PCI config registers */
27 ctrl_outw(0xFB00, PCI_REG(SH7780_PCISTATUS));
28 ctrl_outw(0x0047, PCI_REG(SH7780_PCICMD));
29 ctrl_outb( 0x00, PCI_REG(SH7780_PCIPIF));
30 ctrl_outb( 0x00, PCI_REG(SH7780_PCISUB));
31 ctrl_outb( 0x06, PCI_REG(SH7780_PCIBCC));
32 ctrl_outw(0x1912, PCI_REG(SH7780_PCISVID));
33 ctrl_outw(0x0001, PCI_REG(SH7780_PCISID));
35 pci_write_reg(0x08000000, SH7780_PCIMBAR0); /* PCI */
36 pci_write_reg(0x08000000, SH7780_PCILAR0); /* SHwy */
37 pci_write_reg(0x07F00001, SH7780_PCILSR); /* size 128M w/ MBAR */
39 pci_write_reg(0x00000000, SH7780_PCIMBAR1);
40 pci_write_reg(0x00000000, SH7780_PCILAR1);
41 pci_write_reg(0x00000000, SH7780_PCILSR1);
43 pci_write_reg(0xAB000801, SH7780_PCIIBAR);
46 * Set the MBR so PCI address is one-to-one with window,
47 * meaning all calls go straight through... use ifdef to
48 * catch erroneous assumption.
50 pci_write_reg(0xFD000000 , SH7780_PCIMBR0);
51 pci_write_reg(0x00FC0000 , SH7780_PCIMBMR0); /* 16M */
53 /* Set IOBR for window containing area specified in pci.h */
54 pci_write_reg(PCIBIOS_MIN_IO & ~(SH7780_PCI_IO_SIZE-1), SH7780_PCIIOBR);
55 pci_write_reg((SH7780_PCI_IO_SIZE-1) & (7 << 18), SH7780_PCIIOBMR);
57 pci_write_reg(0xA5000C01, SH7780_PCICR);