[MIPS] SB1250: Initialize io_map_base
Correctly initialize io_map_base for the SB1250 PCI controller as required
for proper iomap support. Based on a proposal from Daniel Jacobowitz.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/pci-sb1250.c b/arch/mips/pci/pci-sb1250.c
index 42e4d2c..2a09ad9 100644
--- a/arch/mips/pci/pci-sb1250.c
+++ b/arch/mips/pci/pci-sb1250.c
@@ -207,6 +207,7 @@
static int __init sb1250_pcibios_init(void)
{
+ void __iomem *io_map_base;
uint32_t cmdreg;
uint64_t reg;
extern int pci_probe_only;
@@ -253,12 +254,13 @@
* works correctly with most of Linux's drivers.
* XXX ehs: Should this happen in PCI Device mode?
*/
-
- set_io_port_base((unsigned long)
- ioremap(A_PHYS_LDTPCI_IO_MATCH_BYTES, 65536));
isa_slot_offset = (unsigned long)
ioremap(A_PHYS_LDTPCI_IO_MATCH_BYTES_32, 1024 * 1024);
+ io_map_base = ioremap(A_PHYS_LDTPCI_IO_MATCH_BYTES, 1024 * 1024);
+ sb1250_controller.io_map_base = io_map_base;
+ set_io_port_base((unsigned long)io_map_base);
+
#ifdef CONFIG_SIBYTE_HAS_LDT
/*
* Also check the LDT bridge's enable, just in case we didn't