ARM: kirkwood: use fixed PCI i/o mapping
Move kirkwood PCI to fixed i/o mapping and remove io.h.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 6e8b2ef..532d8ac 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -56,7 +56,7 @@
void __iomem *base;
spinlock_t conf_lock;
int irq;
- struct resource res[2];
+ struct resource res;
};
static int pcie_port_map[2];
@@ -137,20 +137,12 @@
pp->irq = IRQ_KIRKWOOD_PCIE;
/*
- * IORESOURCE_IO
- */
- pp->res[0].name = "PCIe 0 I/O Space";
- pp->res[0].start = KIRKWOOD_PCIE_IO_BUS_BASE;
- pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1;
- pp->res[0].flags = IORESOURCE_IO;
-
- /*
* IORESOURCE_MEM
*/
- pp->res[1].name = "PCIe 0 MEM";
- pp->res[1].start = KIRKWOOD_PCIE_MEM_PHYS_BASE;
- pp->res[1].end = pp->res[1].start + KIRKWOOD_PCIE_MEM_SIZE - 1;
- pp->res[1].flags = IORESOURCE_MEM;
+ pp->res.name = "PCIe 0 MEM";
+ pp->res.start = KIRKWOOD_PCIE_MEM_PHYS_BASE;
+ pp->res.end = pp->res.start + KIRKWOOD_PCIE_MEM_SIZE - 1;
+ pp->res.flags = IORESOURCE_MEM;
}
static void __init pcie1_ioresources_init(struct pcie_port *pp)
@@ -159,20 +151,12 @@
pp->irq = IRQ_KIRKWOOD_PCIE1;
/*
- * IORESOURCE_IO
- */
- pp->res[0].name = "PCIe 1 I/O Space";
- pp->res[0].start = KIRKWOOD_PCIE1_IO_BUS_BASE;
- pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1;
- pp->res[0].flags = IORESOURCE_IO;
-
- /*
* IORESOURCE_MEM
*/
- pp->res[1].name = "PCIe 1 MEM";
- pp->res[1].start = KIRKWOOD_PCIE1_MEM_PHYS_BASE;
- pp->res[1].end = pp->res[1].start + KIRKWOOD_PCIE1_MEM_SIZE - 1;
- pp->res[1].flags = IORESOURCE_MEM;
+ pp->res.name = "PCIe 1 MEM";
+ pp->res.start = KIRKWOOD_PCIE1_MEM_PHYS_BASE;
+ pp->res.end = pp->res.start + KIRKWOOD_PCIE1_MEM_SIZE - 1;
+ pp->res.flags = IORESOURCE_MEM;
}
static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
@@ -197,23 +181,21 @@
case 0:
kirkwood_enable_pcie_clk("0");
pcie0_ioresources_init(pp);
+ pci_ioremap_io(SZ_64K * sys->busnr, KIRKWOOD_PCIE_IO_PHYS_BASE);
break;
case 1:
kirkwood_enable_pcie_clk("1");
pcie1_ioresources_init(pp);
+ pci_ioremap_io(SZ_64K * sys->busnr, KIRKWOOD_PCIE1_IO_PHYS_BASE);
break;
default:
panic("PCIe setup: invalid controller %d", index);
}
- if (request_resource(&ioport_resource, &pp->res[0]))
- panic("Request PCIe%d IO resource failed\n", index);
- if (request_resource(&iomem_resource, &pp->res[1]))
+ if (request_resource(&iomem_resource, &pp->res))
panic("Request PCIe%d Memory resource failed\n", index);
- sys->io_offset = 0;
- pci_add_resource_offset(&sys->resources, &pp->res[0], sys->io_offset);
- pci_add_resource_offset(&sys->resources, &pp->res[1], sys->mem_offset);
+ pci_add_resource_offset(&sys->resources, &pp->res, sys->mem_offset);
/*
* Generic PCIe unit setup.