ARM: versatile: use fixed PCI i/o mapping
Move versatile PCI to fixed i/o mapping and remove io.h.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c
index e95bf84..2f84f40 100644
--- a/arch/arm/mach-versatile/pci.c
+++ b/arch/arm/mach-versatile/pci.c
@@ -169,13 +169,6 @@
.write = versatile_write_config,
};
-static struct resource io_port = {
- .name = "PCI",
- .start = 0,
- .end = IO_SPACE_LIMIT,
- .flags = IORESOURCE_IO,
-};
-
static struct resource io_mem = {
.name = "PCI I/O space",
.start = VERSATILE_PCI_MEM_BASE0,
@@ -207,12 +200,6 @@
"memory region (%d)\n", ret);
goto out;
}
- ret = request_resource(&ioport_resource, &io_port);
- if (ret) {
- printk(KERN_ERR "PCI: unable to allocate I/O "
- "port region (%d)\n", ret);
- goto out;
- }
ret = request_resource(&iomem_resource, &non_mem);
if (ret) {
printk(KERN_ERR "PCI: unable to allocate non-prefetchable "
@@ -227,11 +214,9 @@
}
/*
- * the IO resource for this bus
* the mem resource for this bus
* the prefetch mem resource for this bus
*/
- pci_add_resource_offset(&sys->resources, &io_port, sys->io_offset);
pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset);
pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset);
@@ -260,9 +245,11 @@
goto out;
}
+ ret = pci_ioremap_io(0, VERSATILE_PCI_MEM_BASE0);
+ if (ret)
+ goto out;
+
if (nr == 0) {
- sys->mem_offset = 0;
- sys->io_offset = 0;
ret = pci_versatile_setup_resources(sys);
if (ret < 0) {
printk("pci_versatile_setup: resources... oops?\n");
@@ -319,7 +306,6 @@
void __init pci_versatile_preinit(void)
{
- pcibios_min_io = 0x44000000;
pcibios_min_mem = 0x50000000;
__raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28, PCI_IMAP0);