[rb532] add 2.6.28 patches and kernel config

[openwrt.git] / target / linux / rb532 / patches-2.6.28 / 002-pci_io_map_base.patch

diff --git a/target/linux/rb532/patches-2.6.28/002-pci_io_map_base.patch b/target/linux/rb532/patches-2.6.28/002-pci_io_map_base.patch
new file mode 100644 (file)
index 0000000..5786803
--- /dev/null
+++ b/target/linux/rb532/patches-2.6.28/002-pci_io_map_base.patch
@@ -0,0 +1,42 @@
+The code is rather based on trial-and-error than knowledge. Verified Via
+Rhine functionality in PIO as well as MMIO mode.
+
+Signed-off-by: Phil Sutter <n0-1@freewrt.org>
+Tested-by: Florian Fainelli <florian@openwrt.org>
+---
+ arch/mips/pci/pci-rc32434.c |   11 +++++++++++
+ 1 files changed, 11 insertions(+), 0 deletions(-)
+
+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_pcibridge_init(void)
+ 
+ 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 @@ static int __init rc32434_pci_init(void)
+ 
+       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();
+ 
+-- 
+1.5.6.4
+
+