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Thu, 23 Oct 2025 12:17:30 +0000 (GMT) From: Harsh Prateek Bora To: qemu-devel@nongnu.org Cc: BALATON Zoltan , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 24/32] hw/ppc/pegasos2: Add VOF support for pegasos1 Date: Thu, 23 Oct 2025 17:46:43 +0530 Message-ID: <20251023121653.3686015-25-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20251023121653.3686015-1-harshpb@linux.ibm.com> References: <20251023121653.3686015-1-harshpb@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ehhsl7EvSMPIbmJL570WVxzGUCxPoKEp X-Proofpoint-GUID: ehhsl7EvSMPIbmJL570WVxzGUCxPoKEp X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE4MDAyMiBTYWx0ZWRfX1wFjgxAuXNI0 KR7G+6B3cTRa9cc78E+TEhwCTNfvbnWTSswJRtrCNJXGO5vrs1yB16Gac4ejjkBRc5PWvDA48ZP eyFkp+Foe/506pzvW/NLSuqEbhUCq4AkZ1tjVWeycHwBSfgJprJX+ncOO7o06leW86rtorktHtn cpnivz755NT44WnKhxMmNdcGGZwvVo/2F3jaH2O/1g8Nnu6q8/EWYf9rTZPbBUpjQHn6m3YF0Qu zlKlM2NJHKZ/HKsqWnzWzhfDxGHgcqoCdXVj6wT/w5K0Y6Arbus/bloJHbpoiyfmyZd0JIcdjbi mm50T5oxEGmVySTG5Yf8tRfoh+G/AD0TuIRic6/DWyBSOJj+jqirKikVXFXveYDf7Z7TD1jCn8Y EJc8Qk93iKWpryBocE6l2GEng2j/ww== X-Authority-Analysis: v=2.4 cv=IJYPywvG c=1 sm=1 tr=0 ts=68fa1cdf cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=f7IdgyKtn90A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=KKAkSRfTAAAA:8 a=VnNF1IyMAAAA:8 a=oel9PUnJIl26fRhH_UYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=cvBusfyB2V15izCimMoJ:22 a=oH34dK2VZjykjzsv8OSz:22 a=pHzHmUro8NiASowvMSCR:22 a=n87TN5wuljxrRezIQYnT:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-22_08,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510180022 Received-SPF: pass client-ip=148.163.156.1; envelope-from=harshpb@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: BALATON Zoltan When running without firmware ROM using Virtual Open Firmware we need to do some hardware initialisation and provide the device tree as the machine firmware would normally do. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé Link: https://lore.kernel.org/qemu-devel/d2d7f173dbd436b47382f384d5a93eb7e713424e.1761176219.git.balaton@eik.bme.hu Signed-off-by: Harsh Prateek Bora --- MAINTAINERS | 1 + hw/ppc/pegasos2.c | 140 +++++++++++++++++++++++++++++++++------ pc-bios/dtb/meson.build | 1 + pc-bios/dtb/pegasos1.dtb | Bin 0 -> 857 bytes pc-bios/dtb/pegasos1.dts | 125 ++++++++++++++++++++++++++++++++++ 5 files changed, 246 insertions(+), 21 deletions(-) create mode 100644 pc-bios/dtb/pegasos1.dtb create mode 100644 pc-bios/dtb/pegasos1.dts diff --git a/MAINTAINERS b/MAINTAINERS index 36eef27b41..684d7a5b37 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1652,6 +1652,7 @@ F: hw/ppc/pegasos2.c F: hw/pci-host/mv64361.c F: hw/pci-host/mv643xx.h F: include/hw/pci-host/mv64361.h +F: pc-bios/dtb/pegasos[12].dt[sb] amigaone M: BALATON Zoltan diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c index a11f3c99ed..93696ed381 100644 --- a/hw/ppc/pegasos2.c +++ b/hw/ppc/pegasos2.c @@ -84,6 +84,7 @@ struct PegasosMachineState { uint64_t initrd_size; }; +static void *pegasos1_build_fdt(PegasosMachineState *pm, int *fdt_size); static void *pegasos2_build_fdt(PegasosMachineState *pm, int *fdt_size); static void pegasos_cpu_reset(void *opaque) @@ -314,6 +315,82 @@ static void pegasos_init(MachineState *machine) } } +static void pegasos_superio_write(uint8_t addr, uint8_t val) +{ + cpu_physical_memory_write(0xfe0003f0, &addr, 1); + cpu_physical_memory_write(0xfe0003f1, &val, 1); +} + +static void pegasos1_pci_config_write(PegasosMachineState *pm, int bus, + uint32_t addr, uint32_t len, uint32_t val) +{ + addr |= BIT(31); + cpu_physical_memory_write(0xfec00cf8, &addr, 4); + cpu_physical_memory_write(0xfee00cfc, &val, len); +} + +static void pegasos1_chipset_reset(PegasosMachineState *pm) +{ + uint8_t elcr = 0x2e; + cpu_physical_memory_write(0xfe0004d1, &elcr, sizeof(elcr)); + + pegasos1_pci_config_write(pm, 0, PCI_COMMAND, 2, PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 0) << 8) | + PCI_INTERRUPT_LINE, 2, 0x9); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 0) << 8) | + 0x50, 1, 0x6); + pegasos_superio_write(0xf4, 0xbe); + pegasos_superio_write(0xf6, 0xef); + pegasos_superio_write(0xf7, 0xfc); + pegasos_superio_write(0xf2, 0x14); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 0) << 8) | + 0x51, 1, 0x3d); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 0) << 8) | + 0x55, 1, 0x90); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 0) << 8) | + 0x56, 1, 0x99); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 0) << 8) | + 0x57, 1, 0x90); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 1) << 8) | + PCI_INTERRUPT_LINE, 2, 0x10e); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 1) << 8) | + PCI_CLASS_PROG, 1, 0xf); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 1) << 8) | + 0x40, 1, 0xb); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 1) << 8) | + 0x50, 4, 0x17171717); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 1) << 8) | + PCI_COMMAND, 2, 0x87); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 2) << 8) | + PCI_INTERRUPT_LINE, 2, 0x409); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 2) << 8) | + PCI_COMMAND, 2, 0x7); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 3) << 8) | + PCI_INTERRUPT_LINE, 2, 0x409); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 3) << 8) | + PCI_COMMAND, 2, 0x7); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 4) << 8) | + PCI_INTERRUPT_LINE, 2, 0x9); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 4) << 8) | + 0x48, 4, 0x2001); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 4) << 8) | + 0x41, 1, 0); + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 4) << 8) | + 0x90, 4, 0x1000); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 5) << 8) | + PCI_INTERRUPT_LINE, 2, 0x309); + + pegasos1_pci_config_write(pm, 0, (PCI_DEVFN(7, 6) << 8) | + PCI_INTERRUPT_LINE, 2, 0x309); +} + static uint32_t pegasos2_mv_reg_read(PegasosMachineState *pm, uint32_t addr, uint32_t len) { @@ -357,12 +434,6 @@ static void pegasos2_pci_config_write(PegasosMachineState *pm, int bus, pegasos2_mv_reg_write(pm, pcicfg + 4, len, val); } -static void pegasos2_superio_write(uint8_t addr, uint8_t val) -{ - cpu_physical_memory_write(0xfe0003f0, &addr, 1); - cpu_physical_memory_write(0xfe0003f1, &val, 1); -} - static void pegasos2_chipset_reset(PegasosMachineState *pm) { pegasos2_mv_reg_write(pm, 0, 4, 0x28020ff); @@ -379,10 +450,10 @@ static void pegasos2_chipset_reset(PegasosMachineState *pm) PCI_INTERRUPT_LINE, 2, 0x9); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 0x50, 1, 0x6); - pegasos2_superio_write(0xf4, 0xbe); - pegasos2_superio_write(0xf6, 0xef); - pegasos2_superio_write(0xf7, 0xfc); - pegasos2_superio_write(0xf2, 0x14); + pegasos_superio_write(0xf4, 0xbe); + pegasos_superio_write(0xf6, 0xef); + pegasos_superio_write(0xf7, 0xfc); + pegasos_superio_write(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) | @@ -432,7 +503,7 @@ static void pegasos2_chipset_reset(PegasosMachineState *pm) static void pegasos_machine_reset(MachineState *machine, ResetType type) { PegasosMachineState *pm = PEGASOS_MACHINE(machine); - void *fdt; + void *fdt = NULL; uint32_t c[2]; uint64_t d[2]; int sz; @@ -440,13 +511,22 @@ static void pegasos_machine_reset(MachineState *machine, ResetType type) qemu_devices_reset(type); if (!pm->vof) { return; /* Firmware should set up machine so nothing to do */ - } else if (pm->type == PEGASOS1) { - error_report("VOF is not supported by this machine"); - exit(1); } /* Otherwise, set up devices that board firmware would normally do */ - pegasos2_chipset_reset(pm); + switch (pm->type) { + case PEGASOS1: + pegasos1_chipset_reset(pm); + fdt = pegasos1_build_fdt(pm, &sz); + break; + case PEGASOS2: + pegasos2_chipset_reset(pm); + fdt = pegasos2_build_fdt(pm, &sz); + break; + } + if (!fdt) { + exit(1); + } /* Device tree and VOF set up */ vof_init(pm->vof, machine->ram_size, &error_fatal); @@ -465,11 +545,6 @@ static void pegasos_machine_reset(MachineState *machine, ResetType type) exit(1); } - fdt = pegasos2_build_fdt(pm, &sz); - if (!fdt) { - exit(1); - } - /* Set memory size */ c[0] = 0; c[1] = cpu_to_be32(machine->ram_size); @@ -761,6 +836,8 @@ static struct { const char *name; void (*dtf)(PCIBus *bus, PCIDevice *d, FDTInfo *fi); } device_map[] = { + { "pci10cc,660", "host", NULL }, + { "pci10cc,661", "host", NULL }, { "pci11ab,6460", "host", NULL }, { "pci1106,571", "ide", dt_ide }, { "pci1106,3044", "firewire", NULL }, @@ -846,7 +923,7 @@ static void add_pci_device(PCIBus *bus, PCIDevice *d, void *opaque) qemu_fdt_setprop_cell(fi->fdt, node->str, "interrupts", pci_get_byte(&d->config[PCI_INTERRUPT_PIN])); } - /* Pegasos2 firmware has subsystem-id amd subsystem-vendor-id swapped */ + /* Pegasos firmware has subsystem-id and subsystem-vendor-id swapped */ qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-vendor-id", pci_get_word(&d->config[PCI_SUBSYSTEM_ID])); qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-id", @@ -934,6 +1011,27 @@ static void *load_dtb(const char *filename, int *fdt_size) return fdt; } +static void *pegasos1_build_fdt(PegasosMachineState *pm, int *fdt_size) +{ + FDTInfo fi; + PCIBus *pci_bus; + void *fdt = load_dtb("pegasos1.dtb", fdt_size); + + if (!fdt) { + return NULL; + } + qemu_fdt_setprop_string(fdt, "/", "name", "bplan,Pegasos"); + + add_cpu_info(fdt, pm->cpu, pm->bus_freq_hz); + + fi.fdt = fdt; + fi.path = "/pci@80000000"; + pci_bus = PCI_BUS(qdev_get_child_bus(pm->nb, "pci.0")); + pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); + + return fdt; +} + static void *pegasos2_build_fdt(PegasosMachineState *pm, int *fdt_size) { FDTInfo fi; diff --git a/pc-bios/dtb/meson.build b/pc-bios/dtb/meson.build index f14648f3a4..81bdd7580e 100644 --- a/pc-bios/dtb/meson.build +++ b/pc-bios/dtb/meson.build @@ -1,6 +1,7 @@ dtbs = [ 'bamboo.dtb', 'canyonlands.dtb', + 'pegasos1.dtb', 'pegasos2.dtb', 'petalogix-ml605.dtb', 'petalogix-s3adsp1800.dtb', diff --git a/pc-bios/dtb/pegasos1.dtb b/pc-bios/dtb/pegasos1.dtb new file mode 100644 index 0000000000000000000000000000000000000000..3b863b25288a59bcede9459ff42afad713dde741 GIT binary patch literal 857 zcmZ8fO>Yx15OvxjK&T3w=^-c=RCQ5Ogp}S|g(^KkM8yI1P1Ue)2P zwH4Vq`;8bw1HZ>;t21Y#4($Qs>6oU{8xI*8@T`9T8sbOnw^Lh4-5HhX(Mm_{-ksVl z)<#k543FN8J7aT6ZanN9FMLHMid)8#w$22?9P@Cm<{Ue{7yY!q`;sNG#%QTC<4J?o zyrj~&#eOd+b^U#g+qE9l=58l32d?gA=i#Evk%Mn^%78T-ar4cvKZ`unPh?(rIUyvm zp(f1smX2*md1FhM>Vd@`{15zY&OI5A?*GZ_uJ49eCK4S?0+5L{U+AknfX#fBK literal 0 HcmV?d00001 diff --git a/pc-bios/dtb/pegasos1.dts b/pc-bios/dtb/pegasos1.dts new file mode 100644 index 0000000000..e5ef9db866 --- /dev/null +++ b/pc-bios/dtb/pegasos1.dts @@ -0,0 +1,125 @@ +/* + * QEMU Pegasos1 Device Tree Source + * + * Copyright 2025 BALATON Zoltan + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This is partial source, more info will be filled in by board code. + */ + +/dts-v1/; + +/ { + #address-cells = <1>; + device_type = "chrp"; + model = "Pegasos"; + revision = "1A"; + CODEGEN,vendor = "bplan GmbH"; + CODEGEN,board = "Pegasos"; + CODEGEN,description = "Pegasos CHRP PowerPC System"; + + openprom { + model = "Pegasos,0.1b123"; + }; + + chosen { + }; + + memory@0 { + device_type = "memory"; + reg = <0 0>; + }; + + cpus { + #size-cells = <0>; + #address-cells = <1>; + #cpus = <1>; + }; + + failsafe { + device_type = "serial"; + }; + + pci@80000000 { + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + clock-frequency = <33333333>; + 8259-interrupt-acknowledge = <0xfef00000>; + reg = <0x80000000 0x7f000000>; + ranges = <0x01000000 0 0x00000000 0xfe000000 0 0x00800000 + 0x02000000 0 0x80000000 0x80000000 0 0x7d000000 + 0x02000000 0 0xfd000000 0xfd000000 0 0x01000000>; + bus-range = <0 0>; + + isa@7 { + vendor-id = <0x1106>; + device-id = <0x8231>; + revision-id = <0x10>; + class-code = <0x60100>; + /* Pegasos firmware has subsystem-id and */ + /* subsystem-vendor-id swapped */ + subsystem-id = <0x1af4>; + subsystem-vendor-id = <0x1100>; + reg = <0x3800 0 0 0 0>; + device_type = "isa"; + #address-cells = <2>; + #size-cells = <1>; + eisa-slots = <0>; + clock-frequency = <8333333>; + slot-names = <0>; + + serial@i2f8 { + device_type = "serial"; + reg = <1 0x2f8 8>; + interrupts = <3 0>; + clock-frequency = <0>; + }; + + 8042@i60 { + device_type = ""; + reg = <1 0x60 5>; + clock-frequency = <0>; + interrupt-controller = ""; + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <2>; + + }; + + keyboard@i60 { + device_type = "keyboard"; + reg = <1 0x60 5>; + interrupts = <1 0>; + }; + + rtc@i70 { + device_type = "rtc"; + reg = <1 0x70 2>; + interrupts = <8 0>; + clock-frequency = <0>; + compatible = "ds1385-rtc"; + }; + + timer@i40 { + device_type = "timer"; + reg = <1 0x40 8>; + clock-frequency = <0>; + }; + + fdc@i3f0 { + device_type = "fdc"; + reg = <1 0x3f0 8>; + interrupts = <6 0>; + clock-frequency = <0>; + }; + + lpt@i3bc { + device_type = "lpt"; + reg = <1 0x3bc 8>; + interrupts = <7 0>; + clock-frequency = <0>; + }; + }; + }; +}; -- 2.43.5