Fixes for system controllers for Atlas/Malta core cards.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/ops-msc.c b/arch/mips/pci/ops-msc.c
index 7bc0996..5d9fbb0 100644
--- a/arch/mips/pci/ops-msc.c
+++ b/arch/mips/pci/ops-msc.c
@@ -21,7 +21,6 @@
* MIPS boards specific PCI support.
*
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
@@ -49,34 +48,17 @@
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)
@@ -86,15 +68,12 @@
/* 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;
}