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Tsirkin" , Bernhard Beschow Subject: [PATCH v3 10/11] hw/ppc/pegasos2: Let pegasos2 machine configure SuperI/O functions Date: Thu, 21 Dec 2023 16:07:49 +0100 Message-ID: <20231221150750.5435-11-shentey@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231221150750.5435-1-shentey@gmail.com> References: <20231221150750.5435-1-shentey@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::22b; envelope-from=shentey@gmail.com; helo=mail-lj1-x22b.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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@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-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1703171440153100006 Content-Type: text/plain; charset="utf-8" This is a preparation for implementing relocation and toggling of SuperI/O functions in the VT8231 device model. Upon reset, all SuperI/O functions wi= ll be deactivated, so in case if no -bios is given, let the machine configure tho= se functions the same way Pegasos II firmware would do. Signed-off-by: Bernhard Beschow --- hw/ppc/pegasos2.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c index 3203a4a728..0a40ebd542 100644 --- a/hw/ppc/pegasos2.c +++ b/hw/ppc/pegasos2.c @@ -285,6 +285,15 @@ static void pegasos2_pci_config_write(Pegasos2MachineS= tate *pm, int bus, pegasos2_mv_reg_write(pm, pcicfg + 4, len, val); } =20 +static void pegasos2_superio_write(Pegasos2MachineState *pm, uint32_t addr, + uint32_t val) +{ + AddressSpace *as =3D CPU(pm->cpu)->as; + + stb_phys(as, PCI1_IO_BASE + 0x3f0, addr); + stb_phys(as, PCI1_IO_BASE + 0x3f1, val); +} + static void pegasos2_machine_reset(MachineState *machine, ShutdownCause re= ason) { Pegasos2MachineState *pm =3D PEGASOS2_MACHINE(machine); @@ -310,6 +319,12 @@ static void pegasos2_machine_reset(MachineState *machi= ne, ShutdownCause reason) =20 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | PCI_INTERRUPT_LINE, 2, 0x9); + pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | + 0x50, 1, 0x6); + pegasos2_superio_write(pm, 0xf4, 0xbe); + pegasos2_superio_write(pm, 0xf6, 0xef); + pegasos2_superio_write(pm, 0xf7, 0xfc); + pegasos2_superio_write(pm, 0xf2, 0x14); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 0x50, 1, 0x2); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | --=20 2.43.0