/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999, 2000 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc.
+ * All rights reserved.
+ * Authors: Carsten Langgaard <carstenl@mips.com>
+ * Maciej W. Rozycki <macro@mips.com>
+ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
struct pci_bus *bus, unsigned int devfn, int where, u32 * data)
{
unsigned char busnum = bus->number;
- unsigned char type;
u32 intr;
-#ifdef CONFIG_MIPS_BOARDS_GEN
- if ((busnum == 0) && (PCI_SLOT(devfn) == 17)) {
- /* MIPS Core boards have SOCit connected as device 17 */
- return -1;
- }
-#endif
-
/* Clear status register bits. */
MSC_WRITE(MSC01_PCI_INTSTAT,
(MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT));
- /* Setup address */
- if (busnum == 0)
- type = 0; /* Type 0 */
- else
- type = 1; /* Type 1 */
-
MSC_WRITE(MSC01_PCI_CFGADDR,
((busnum << MSC01_PCI_CFGADDR_BNUM_SHF) |
- (PCI_SLOT(devfn) << MSC01_PCI_CFGADDR_DNUM_SHF)
- | (PCI_FUNC(devfn) <<
- MSC01_PCI_CFGADDR_FNUM_SHF) | ((where /
- 4) <<
- MSC01_PCI_CFGADDR_RNUM_SHF)
- | (type)));
+ (PCI_SLOT(devfn) << MSC01_PCI_CFGADDR_DNUM_SHF) |
+ (PCI_FUNC(devfn) << MSC01_PCI_CFGADDR_FNUM_SHF) |
+ ((where / 4) << MSC01_PCI_CFGADDR_RNUM_SHF)));
/* Perform access */
if (access_type == PCI_ACCESS_WRITE)
/* Detect Master/Target abort */
MSC_READ(MSC01_PCI_INTSTAT, intr);
- if (intr & (MSC01_PCI_INTCFG_MA_BIT |
- MSC01_PCI_INTCFG_TA_BIT)) {
+ if (intr & (MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT)) {
/* Error occurred */
/* Clear bits */
- MSC_READ(MSC01_PCI_INTSTAT, intr);
MSC_WRITE(MSC01_PCI_INTSTAT,
- (MSC01_PCI_INTCFG_MA_BIT |
- MSC01_PCI_INTCFG_TA_BIT));
+ (MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT));
return -1;
}