ARM: dove: use fixed PCI i/o mapping
The i/o regions are changed from 1MB to 64KB. It's likely that the 2nd
bus is not setup correctly.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c
index 47921b0..355332d 100644
--- a/arch/arm/mach-dove/pcie.c
+++ b/arch/arm/mach-dove/pcie.c
@@ -26,9 +26,8 @@
u8 root_bus_nr;
void __iomem *base;
spinlock_t conf_lock;
- char io_space_name[16];
char mem_space_name[16];
- struct resource res[2];
+ struct resource res;
};
static struct pcie_port pcie_port[2];
@@ -53,24 +52,10 @@
orion_pcie_setup(pp->base);
- /*
- * IORESOURCE_IO
- */
- snprintf(pp->io_space_name, sizeof(pp->io_space_name),
- "PCIe %d I/O", pp->index);
- pp->io_space_name[sizeof(pp->io_space_name) - 1] = 0;
- pp->res[0].name = pp->io_space_name;
- if (pp->index == 0) {
- pp->res[0].start = DOVE_PCIE0_IO_PHYS_BASE;
- pp->res[0].end = pp->res[0].start + DOVE_PCIE0_IO_SIZE - 1;
- } else {
- pp->res[0].start = DOVE_PCIE1_IO_PHYS_BASE;
- pp->res[0].end = pp->res[0].start + DOVE_PCIE1_IO_SIZE - 1;
- }
- pp->res[0].flags = IORESOURCE_IO;
- if (request_resource(&ioport_resource, &pp->res[0]))
- panic("Request PCIe IO resource failed\n");
- pci_add_resource_offset(&sys->resources, &pp->res[0], sys->io_offset);
+ if (pp->index == 0)
+ pci_ioremap_io(sys->busnr * SZ_64K, DOVE_PCIE0_IO_PHYS_BASE);
+ else
+ pci_ioremap_io(sys->busnr * SZ_64K, DOVE_PCIE1_IO_PHYS_BASE);
/*
* IORESOURCE_MEM
@@ -78,18 +63,18 @@
snprintf(pp->mem_space_name, sizeof(pp->mem_space_name),
"PCIe %d MEM", pp->index);
pp->mem_space_name[sizeof(pp->mem_space_name) - 1] = 0;
- pp->res[1].name = pp->mem_space_name;
+ pp->res.name = pp->mem_space_name;
if (pp->index == 0) {
- pp->res[1].start = DOVE_PCIE0_MEM_PHYS_BASE;
- pp->res[1].end = pp->res[1].start + DOVE_PCIE0_MEM_SIZE - 1;
+ pp->res.start = DOVE_PCIE0_MEM_PHYS_BASE;
+ pp->res.end = pp->res.start + DOVE_PCIE0_MEM_SIZE - 1;
} else {
- pp->res[1].start = DOVE_PCIE1_MEM_PHYS_BASE;
- pp->res[1].end = pp->res[1].start + DOVE_PCIE1_MEM_SIZE - 1;
+ pp->res.start = DOVE_PCIE1_MEM_PHYS_BASE;
+ pp->res.end = pp->res.start + DOVE_PCIE1_MEM_SIZE - 1;
}
- pp->res[1].flags = IORESOURCE_MEM;
- if (request_resource(&iomem_resource, &pp->res[1]))
+ pp->res.flags = IORESOURCE_MEM;
+ if (request_resource(&iomem_resource, &pp->res))
panic("Request PCIe Memory resource failed\n");
- pci_add_resource_offset(&sys->resources, &pp->res[1], sys->mem_offset);
+ pci_add_resource_offset(&sys->resources, &pp->res, sys->mem_offset);
return 1;
}
@@ -210,7 +195,7 @@
pp->root_bus_nr = -1;
pp->base = (void __iomem *)base;
spin_lock_init(&pp->conf_lock);
- memset(pp->res, 0, sizeof(pp->res));
+ memset(&pp->res, 0, sizeof(pp->res));
} else {
printk(KERN_INFO "link down, ignoring\n");
}