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path: root/drivers/pci/controller/pci-ixp4xx.c
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Diffstat (limited to 'drivers/pci/controller/pci-ixp4xx.c')
-rw-r--r--drivers/pci/controller/pci-ixp4xx.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/pci/controller/pci-ixp4xx.c b/drivers/pci/controller/pci-ixp4xx.c
index 654ac4a82beb..9fd401838bad 100644
--- a/drivers/pci/controller/pci-ixp4xx.c
+++ b/drivers/pci/controller/pci-ixp4xx.c
@@ -19,13 +19,13 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/of_pci.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/bits.h>
+#include "../pci.h"
/* Register offsets */
#define IXP4XX_PCI_NP_AD 0x00
@@ -188,12 +188,13 @@ static u32 ixp4xx_config_addr(u8 bus_num, u16 devfn, int where)
/* Root bus is always 0 in this hardware */
if (bus_num == 0) {
/* type 0 */
- return BIT(32-PCI_SLOT(devfn)) | ((PCI_FUNC(devfn)) << 8) |
- (where & ~3);
+ return (PCI_CONF1_ADDRESS(0, 0, PCI_FUNC(devfn), where) &
+ ~PCI_CONF1_ENABLE) | BIT(32-PCI_SLOT(devfn));
} else {
/* type 1 */
- return (bus_num << 16) | ((PCI_SLOT(devfn)) << 11) |
- ((PCI_FUNC(devfn)) << 8) | (where & ~3) | 1;
+ return (PCI_CONF1_ADDRESS(bus_num, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), where) &
+ ~PCI_CONF1_ENABLE) | 1;
}
}
@@ -213,6 +214,7 @@ static u32 ixp4xx_crp_byte_lane_enable_bits(u32 n, int size)
return 0xffffffff;
}
+#ifdef CONFIG_ARM
static int ixp4xx_crp_read_config(struct ixp4xx_pci *p, int where, int size,
u32 *value)
{
@@ -250,6 +252,7 @@ static int ixp4xx_crp_read_config(struct ixp4xx_pci *p, int where, int size,
return PCIBIOS_SUCCESSFUL;
}
+#endif
static int ixp4xx_crp_write_config(struct ixp4xx_pci *p, int where, int size,
u32 value)
@@ -469,6 +472,7 @@ static int ixp4xx_pci_parse_map_dma_ranges(struct ixp4xx_pci *p)
return 0;
}
+#ifdef CONFIG_ARM
/* Only used to get context for abort handling */
static struct ixp4xx_pci *ixp4xx_pci_abort_singleton;
@@ -508,6 +512,7 @@ static int ixp4xx_pci_abort_handler(unsigned long addr, unsigned int fsr,
return 0;
}
+#endif
static int __init ixp4xx_pci_probe(struct platform_device *pdev)
{
@@ -554,10 +559,12 @@ static int __init ixp4xx_pci_probe(struct platform_device *pdev)
dev_info(dev, "controller is in %s mode\n",
p->host_mode ? "host" : "option");
+#ifdef CONFIG_ARM
/* Hook in our fault handler for PCI errors */
ixp4xx_pci_abort_singleton = p;
hook_fault_code(16+6, ixp4xx_pci_abort_handler, SIGBUS, 0,
"imprecise external abort");
+#endif
ret = ixp4xx_pci_parse_map_ranges(p);
if (ret)