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hw/pci-host/raven: Add PCI_IO_BASE_ADDR definition 

Rather than using the magic 0x80000000 number for the PCI I/O BAR
physical address on the main system bus, use a definition.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210417103028.601124-6-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-04-16 18:15:56 +02:00
parent 46fd3201cb
commit 64e7392047
1 changed files with 7 additions and 4 deletions
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11
hw/pci-host/raven.c
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@ -81,6 +81,8 @@ struct PRePPCIState {
#define BIOS_SIZE (1 * MiB)
#define PCI_IO_BASE_ADDR 0x80000000 /* Physical address on main bus */
static inline uint32_t raven_pci_io_config(hwaddr addr)
{
int i;
@ -158,7 +160,7 @@ static uint64_t raven_io_read(void *opaque, hwaddr addr,
uint8_t buf[4];
addr = raven_io_address(s, addr);
address_space_read(&s->pci_io_as, addr + 0x80000000,
address_space_read(&s->pci_io_as, addr + PCI_IO_BASE_ADDR,
MEMTXATTRS_UNSPECIFIED, buf, size);
if (size == 1) {
@ -190,7 +192,7 @@ static void raven_io_write(void *opaque, hwaddr addr,
g_assert_not_reached();
}
address_space_write(&s->pci_io_as, addr + 0x80000000,
address_space_write(&s->pci_io_as, addr + PCI_IO_BASE_ADDR,
MEMTXATTRS_UNSPECIFIED, buf, size);
}
@ -293,8 +295,9 @@ static void raven_pcihost_initfn(Object *obj)
address_space_init(&s->pci_io_as, &s->pci_io, "raven-io");
/* CPU address space */
memory_region_add_subregion(address_space_mem, 0x80000000, &s->pci_io);
memory_region_add_subregion_overlap(address_space_mem, 0x80000000,
memory_region_add_subregion(address_space_mem, PCI_IO_BASE_ADDR,
&s->pci_io);
memory_region_add_subregion_overlap(address_space_mem, PCI_IO_BASE_ADDR,
&s->pci_io_non_contiguous, 1);
memory_region_add_subregion(address_space_mem, 0xc0000000, &s->pci_memory);
pci_root_bus_new_inplace(&s->pci_bus, sizeof(s->pci_bus), DEVICE(obj), NULL,