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[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>
This commit is contained in:
Maciej W. Rozycki 2008-06-09 17:20:03 +01:00 committed by Ralf Baechle
parent 6b7d0b2fb6
commit d0f9cbd4b2
1 changed files with 5 additions and 3 deletions
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8
arch/mips/pci/pci-sb1250.c
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@ -207,6 +207,7 @@ struct pci_controller sb1250_controller = {
static int __init sb1250_pcibios_init(void) static int __init sb1250_pcibios_init(void)
{ {
void __iomem *io_map_base;
uint32_t cmdreg; uint32_t cmdreg;
uint64_t reg; uint64_t reg;
extern int pci_probe_only; extern int pci_probe_only;
@ -253,12 +254,13 @@ static int __init sb1250_pcibios_init(void)
* works correctly with most of Linux's drivers. * works correctly with most of Linux's drivers.
* XXX ehs: Should this happen in PCI Device mode? * 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) isa_slot_offset = (unsigned long)
ioremap(A_PHYS_LDTPCI_IO_MATCH_BYTES_32, 1024 * 1024); 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 #ifdef CONFIG_SIBYTE_HAS_LDT
/* /*
* Also check the LDT bridge's enable, just in case we didn't * Also check the LDT bridge's enable, just in case we didn't