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-rw-r--r--arch/mips/pci/ops-msc.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/arch/mips/pci/ops-msc.c b/arch/mips/pci/ops-msc.c
index 7bc099643a9d..5d9fbb0f4670 100644
--- a/arch/mips/pci/ops-msc.c
+++ b/arch/mips/pci/ops-msc.c
@@ -21,7 +21,6 @@
21 * MIPS boards specific PCI support. 21 * MIPS boards specific PCI support.
22 * 22 *
23 */ 23 */
24#include <linux/config.h>
25#include <linux/types.h> 24#include <linux/types.h>
26#include <linux/pci.h> 25#include <linux/pci.h>
27#include <linux/kernel.h> 26#include <linux/kernel.h>
@@ -49,34 +48,17 @@ static int msc_pcibios_config_access(unsigned char access_type,
49 struct pci_bus *bus, unsigned int devfn, int where, u32 * data) 48 struct pci_bus *bus, unsigned int devfn, int where, u32 * data)
50{ 49{
51 unsigned char busnum = bus->number; 50 unsigned char busnum = bus->number;
52 unsigned char type;
53 u32 intr; 51 u32 intr;
54 52
55#ifdef CONFIG_MIPS_BOARDS_GEN
56 if ((busnum == 0) && (PCI_SLOT(devfn) == 17)) {
57 /* MIPS Core boards have SOCit connected as device 17 */
58 return -1;
59 }
60#endif
61
62 /* Clear status register bits. */ 53 /* Clear status register bits. */
63 MSC_WRITE(MSC01_PCI_INTSTAT, 54 MSC_WRITE(MSC01_PCI_INTSTAT,
64 (MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT)); 55 (MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT));
65 56
66 /* Setup address */
67 if (busnum == 0)
68 type = 0; /* Type 0 */
69 else
70 type = 1; /* Type 1 */
71
72 MSC_WRITE(MSC01_PCI_CFGADDR, 57 MSC_WRITE(MSC01_PCI_CFGADDR,
73 ((busnum << MSC01_PCI_CFGADDR_BNUM_SHF) | 58 ((busnum << MSC01_PCI_CFGADDR_BNUM_SHF) |
74 (PCI_SLOT(devfn) << MSC01_PCI_CFGADDR_DNUM_SHF) 59 (PCI_SLOT(devfn) << MSC01_PCI_CFGADDR_DNUM_SHF) |
75 | (PCI_FUNC(devfn) << 60 (PCI_FUNC(devfn) << MSC01_PCI_CFGADDR_FNUM_SHF) |
76 MSC01_PCI_CFGADDR_FNUM_SHF) | ((where / 61 ((where / 4) << MSC01_PCI_CFGADDR_RNUM_SHF)));
77 4) <<
78 MSC01_PCI_CFGADDR_RNUM_SHF)
79 | (type)));
80 62
81 /* Perform access */ 63 /* Perform access */
82 if (access_type == PCI_ACCESS_WRITE) 64 if (access_type == PCI_ACCESS_WRITE)
@@ -86,15 +68,12 @@ static int msc_pcibios_config_access(unsigned char access_type,
86 68
87 /* Detect Master/Target abort */ 69 /* Detect Master/Target abort */
88 MSC_READ(MSC01_PCI_INTSTAT, intr); 70 MSC_READ(MSC01_PCI_INTSTAT, intr);
89 if (intr & (MSC01_PCI_INTCFG_MA_BIT | 71 if (intr & (MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT)) {
90 MSC01_PCI_INTCFG_TA_BIT)) {
91 /* Error occurred */ 72 /* Error occurred */
92 73
93 /* Clear bits */ 74 /* Clear bits */
94 MSC_READ(MSC01_PCI_INTSTAT, intr);
95 MSC_WRITE(MSC01_PCI_INTSTAT, 75 MSC_WRITE(MSC01_PCI_INTSTAT,
96 (MSC01_PCI_INTCFG_MA_BIT | 76 (MSC01_PCI_INTCFG_MA_BIT | MSC01_PCI_INTCFG_TA_BIT));
97 MSC01_PCI_INTCFG_TA_BIT));
98 77
99 return -1; 78 return -1;
100 } 79 }