PREP machines have two IO mappings.

This patch adds support for non-contiguous IO map, which is used by
OS/2.
It also adds the missing legacy IO ports for the PREP PCI bridge and
changes CPU PVR from 74x/75x to 604 to make OS/2 happy.
(Jocelyn Mayer)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1381 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 10 insertions, 0 deletions

diff --git a/hw/pci.c b/hw/pci.c
index 6035c890a8..cb7131a6a8 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -694,6 +694,16 @@ PCIBus *pci_prep_init(void)
     s = pci_register_bus();
     s->set_irq = prep_set_irq;
 
+    register_ioport_write(0xcf8, 4, 4, pci_addr_writel, s);
+    register_ioport_read(0xcf8, 4, 4, pci_addr_readl, s);
+
+    register_ioport_write(0xcfc, 4, 1, pci_data_writeb, s);
+    register_ioport_write(0xcfc, 4, 2, pci_data_writew, s);
+    register_ioport_write(0xcfc, 4, 4, pci_data_writel, s);
+    register_ioport_read(0xcfc, 4, 1, pci_data_readb, s);
+    register_ioport_read(0xcfc, 4, 2, pci_data_readw, s);
+    register_ioport_read(0xcfc, 4, 4, pci_data_readl, s);
+
     PPC_io_memory = cpu_register_io_memory(0, PPC_PCIIO_read, 
                                            PPC_PCIIO_write, s);
     cpu_register_physical_memory(0x80800000, 0x00400000, PPC_io_memory);