MIPS: RC32434: Define io_map_base for PCI controller
The code is rather based on trial-and-error than knowledge. Verified Via
Rhine functionality in PIO as well as MMIO mode.
[Looks sane -- Ralf]
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index 1c2821e..71f7d27 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -205,6 +205,8 @@
static int __init rc32434_pci_init(void)
{
+ void __iomem *io_map_base;
+
pr_info("PCI: Initializing PCI\n");
ioport_resource.start = rc32434_res_pci_io1.start;
@@ -212,6 +214,15 @@
rc32434_pcibridge_init();
+ io_map_base = ioremap(rc32434_res_pci_io1.start,
+ rc32434_res_pci_io1.end - rc32434_res_pci_io1.start + 1);
+
+ if (!io_map_base)
+ return -ENOMEM;
+
+ rc32434_controller.io_map_base =
+ (unsigned long)io_map_base - rc32434_res_pci_io1.start;
+
register_pci_controller(&rc32434_controller);
rc32434_sync();