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authorBALATON Zoltan <balaton@eik.bme.hu>2024-04-11 21:24:43 +0200
committerMichael Tokarev <mjt@tls.msk.ru>2024-04-16 17:27:52 +0300
commit1a78b89bcfd1a9d98130049d63230dff8dd164bc (patch)
treec0f7ae652779c55890c58982447961b2bd492586
parentdd784cb65dbcf1f5221e76db4d921ccbfb859493 (diff)
hw/pci-host/ppc440_pcix: Do not expose a bridge device on PCI bus
Real 460EX SoC apparently does not expose a bridge device and having it appear on PCI bus confuses an AmigaOS file system driver that uses this to detect which machine it is running on. Cc: qemu-stable@nongnu.org Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240411192443.B4D644E6026@zero.eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> (cherry picked from commit 6e4aceba2079e3df42edc89d44f4ee02343bb09e) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
-rw-r--r--hw/ppc/ppc440_pcix.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/hw/ppc/ppc440_pcix.c b/hw/ppc/ppc440_pcix.c
index df4ee374d0..0468b22080 100644
--- a/hw/ppc/ppc440_pcix.c
+++ b/hw/ppc/ppc440_pcix.c
@@ -53,7 +53,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(PPC440PCIXState, PPC440_PCIX_HOST)
struct PPC440PCIXState {
PCIHostState parent_obj;
- PCIDevice *dev;
+ uint8_t config[PCI_CONFIG_SPACE_SIZE];
struct PLBOutMap pom[PPC440_PCIX_NR_POMS];
struct PLBInMap pim[PPC440_PCIX_NR_PIMS];
uint32_t sts;
@@ -172,7 +172,7 @@ static void ppc440_pcix_reg_write4(void *opaque, hwaddr addr,
trace_ppc440_pcix_reg_write(addr, val, size);
switch (addr) {
case PCI_VENDOR_ID ... PCI_MAX_LAT:
- stl_le_p(s->dev->config + addr, val);
+ stl_le_p(s->config + addr, val);
break;
case PCIX0_POM0LAL:
@@ -303,7 +303,7 @@ static uint64_t ppc440_pcix_reg_read4(void *opaque, hwaddr addr,
switch (addr) {
case PCI_VENDOR_ID ... PCI_MAX_LAT:
- val = ldl_le_p(s->dev->config + addr);
+ val = ldl_le_p(s->config + addr);
break;
case PCIX0_POM0LAL:
@@ -499,10 +499,7 @@ static void ppc440_pcix_realize(DeviceState *dev, Error **errp)
memory_region_init(&s->iomem, OBJECT(dev), "pci-io", 64 * KiB);
h->bus = pci_register_root_bus(dev, NULL, ppc440_pcix_set_irq,
ppc440_pcix_map_irq, &s->irq, &s->busmem, &s->iomem,
- PCI_DEVFN(0, 0), 1, TYPE_PCI_BUS);
-
- s->dev = pci_create_simple(h->bus, PCI_DEVFN(0, 0),
- TYPE_PPC4xx_HOST_BRIDGE);
+ PCI_DEVFN(1, 0), 1, TYPE_PCI_BUS);
memory_region_init(&s->bm, OBJECT(s), "bm-ppc440-pcix", UINT64_MAX);
memory_region_add_subregion(&s->bm, 0x0, &s->busmem);