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PPC: pseries: Remove hack for PIO window

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Now that all users of old_portio are gone, we can remove the hack
that enabled us to support them.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-10-08 13:54:18 +02:00
parent a1bc20dfbb
commit a178274efa
2 changed files with 2 additions and 44 deletions
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44
hw/spapr_pci.c
View file

@ -439,43 +439,6 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level)
qemu_set_irq(spapr_phb_lsi_qirq(phb, irq_num), level);
}
static uint64_t spapr_io_read(void *opaque, hwaddr addr,
unsigned size)
{
switch (size) {
case 1:
return cpu_inb(addr);
case 2:
return cpu_inw(addr);
case 4:
return cpu_inl(addr);
}
assert(0);
}
static void spapr_io_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
switch (size) {
case 1:
cpu_outb(addr, data);
return;
case 2:
cpu_outw(addr, data);
return;
case 4:
cpu_outl(addr, data);
return;
}
assert(0);
}
static const MemoryRegionOps spapr_io_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
.read = spapr_io_read,
.write = spapr_io_write
};
/*
* MSI/MSIX memory region implementation.
* The handler handles both MSI and MSIX.
@ -545,14 +508,9 @@ static int spapr_phb_init(SysBusDevice *s)
* old_portion are updated */
sprintf(namebuf, "%s.io", sphb->dtbusname);
memory_region_init(&sphb->iospace, namebuf, SPAPR_PCI_IO_WIN_SIZE);
/* FIXME: fix to support multiple PHBs */
memory_region_add_subregion(get_system_io(), 0, &sphb->iospace);
sprintf(namebuf, "%s.io-alias", sphb->dtbusname);
memory_region_init_io(&sphb->iowindow, &spapr_io_ops, sphb,
namebuf, SPAPR_PCI_IO_WIN_SIZE);
memory_region_add_subregion(get_system_memory(), sphb->io_win_addr,
&sphb->iowindow);
&sphb->iospace);
/* As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors,
* we need to allocate some memory to catch those writes coming

2
hw/spapr_pci.h
View file

@ -44,7 +44,7 @@ typedef struct sPAPRPHBState {
MemoryRegion memspace, iospace;
hwaddr mem_win_addr, mem_win_size, io_win_addr, io_win_size;
hwaddr msi_win_addr;
MemoryRegion memwindow, iowindow, msiwindow;
MemoryRegion memwindow, msiwindow;
uint32_t dma_liobn;
uint64_t dma_window_start;