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Mon, 15 Apr 2024 07:55:20 -0700 (PDT) Received: from m1x-phil.lan ([176.176.132.126]) by smtp.gmail.com with ESMTPSA id bi27-20020a05600c3d9b00b004187c57e161sm1369461wmb.0.2024.04.15.07.55.18 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 15 Apr 2024 07:55:19 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, BALATON Zoltan , qemu-stable@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 2/2] hw/pci-host/ppc440_pcix: Do not expose a bridge device on PCI bus Date: Mon, 15 Apr 2024 16:55:05 +0200 Message-ID: <20240415145506.48179-3-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240415145506.48179-1-philmd@linaro.org> References: <20240415145506.48179-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::22e; envelope-from=philmd@linaro.org; helo=mail-lj1-x22e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: BALATON Zoltan 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 Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20240411192443.B4D644E6026@zero.eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé --- hw/pci-host/ppc440_pcix.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/hw/pci-host/ppc440_pcix.c b/hw/pci-host/ppc440_pcix.c index 1926ae2a27..ef212d99aa 100644 --- a/hw/pci-host/ppc440_pcix.c +++ b/hw/pci-host/ppc440_pcix.c @@ -52,7 +52,7 @@ 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; @@ -171,7 +171,7 @@ 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: @@ -302,7 +302,7 @@ 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: @@ -498,10 +498,7 @@ 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);