From: David Gibson <david@gibson.dropbear.id.au>
To: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Paolo Bonzini <pbonzini@redhat.com>,
qemu-ppc@nongnu.org, qemu-devel@nongnu.org, f4bug@amsat.org
Subject: Re: [PATCH v10 7/7] hw/ppc: Add emulation of Genesi/bPlan Pegasos II
Date: Tue, 23 Mar 2021 11:55:36 +1100 [thread overview]
Message-ID: <YFk8iCC3IhGw1TqL@yekko.fritz.box> (raw)
In-Reply-To: <b1639705f196d229647a8fc36e5d1a92f6c58b76.1615943871.git.balaton@eik.bme.hu>
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On Wed, Mar 17, 2021 at 02:17:51AM +0100, BALATON Zoltan wrote:
> Add new machine called pegasos2 emulating the Genesi/bPlan Pegasos II,
> a PowerPC board based on the Marvell MV64361 system controller and the
> VIA VT8231 integrated south bridge/superio chips. It can run Linux,
> AmigaOS and a wide range of MorphOS versions. Currently a firmware ROM
> image is needed to boot and only MorphOS has a video driver to produce
> graphics output. Linux could work too but distros that supported this
> machine don't include usual video drivers so those only run with
> serial console for now.
>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> MAINTAINERS | 10 ++
> default-configs/devices/ppc-softmmu.mak | 2 +
> hw/ppc/Kconfig | 9 ++
> hw/ppc/meson.build | 2 +
> hw/ppc/pegasos2.c | 144 ++++++++++++++++++++++++
> 5 files changed, 167 insertions(+)
> create mode 100644 hw/ppc/pegasos2.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index b6ab3d25a7..1c3c55ef09 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1353,6 +1353,16 @@ F: pc-bios/canyonlands.dt[sb]
> F: pc-bios/u-boot-sam460ex-20100605.bin
> F: roms/u-boot-sam460ex
>
> +pegasos2
> +M: BALATON Zoltan <balaton@eik.bme.hu>
> +R: David Gibson <david@gibson.dropbear.id.au>
> +L: qemu-ppc@nongnu.org
> +S: Maintained
> +F: hw/ppc/pegasos2.c
> +F: hw/pci-host/mv64361.c
> +F: hw/pci-host/mv643xx.h
> +F: include/hw/pci-host/mv64361.h
Oh, sorry about the comment in the previous patch.
> RISC-V Machines
> ---------------
> OpenTitan
> diff --git a/default-configs/devices/ppc-softmmu.mak b/default-configs/devices/ppc-softmmu.mak
> index 61b78b844d..4535993d8d 100644
> --- a/default-configs/devices/ppc-softmmu.mak
> +++ b/default-configs/devices/ppc-softmmu.mak
> @@ -14,5 +14,7 @@ CONFIG_SAM460EX=y
> CONFIG_MAC_OLDWORLD=y
> CONFIG_MAC_NEWWORLD=y
>
> +CONFIG_PEGASOS2=y
I don't think we can have this default to enabled while it requires a
non-free ROM to start.
> # For PReP
> CONFIG_PREP=y
> diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
> index d11dc30509..e51e0e5e5a 100644
> --- a/hw/ppc/Kconfig
> +++ b/hw/ppc/Kconfig
> @@ -68,6 +68,15 @@ config SAM460EX
> select USB_OHCI
> select FDT_PPC
>
> +config PEGASOS2
> + bool
> + select MV64361
> + select VT82C686
> + select IDE_VIA
> + select SMBUS_EEPROM
> +# This should come with VT82C686
> + select ACPI_X86
> +
> config PREP
> bool
> imply PCI_DEVICES
> diff --git a/hw/ppc/meson.build b/hw/ppc/meson.build
> index 218631c883..86d6f379d1 100644
> --- a/hw/ppc/meson.build
> +++ b/hw/ppc/meson.build
> @@ -78,5 +78,7 @@ ppc_ss.add(when: 'CONFIG_E500', if_true: files(
> ))
> # PowerPC 440 Xilinx ML507 reference board.
> ppc_ss.add(when: 'CONFIG_VIRTEX', if_true: files('virtex_ml507.c'))
> +# Pegasos2
> +ppc_ss.add(when: 'CONFIG_PEGASOS2', if_true: files('pegasos2.c'))
>
> hw_arch += {'ppc': ppc_ss}
> diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c
> new file mode 100644
> index 0000000000..0bfd0928aa
> --- /dev/null
> +++ b/hw/ppc/pegasos2.c
> @@ -0,0 +1,144 @@
> +/*
> + * QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator
> + *
> + * Copyright (c) 2018-2020 BALATON Zoltan
> + *
> + * This work is licensed under the GNU GPL license version 2 or later.
> + *
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qemu-common.h"
> +#include "qemu/units.h"
> +#include "qapi/error.h"
> +#include "hw/hw.h"
> +#include "hw/ppc/ppc.h"
> +#include "hw/sysbus.h"
> +#include "hw/pci/pci_host.h"
> +#include "hw/irq.h"
> +#include "hw/pci-host/mv64361.h"
> +#include "hw/isa/vt82c686.h"
> +#include "hw/ide/pci.h"
> +#include "hw/i2c/smbus_eeprom.h"
> +#include "hw/qdev-properties.h"
> +#include "sysemu/reset.h"
> +#include "hw/boards.h"
> +#include "hw/loader.h"
> +#include "hw/fw-path-provider.h"
> +#include "elf.h"
> +#include "qemu/log.h"
> +#include "qemu/error-report.h"
> +#include "sysemu/kvm.h"
> +#include "kvm_ppc.h"
> +#include "exec/address-spaces.h"
> +#include "trace.h"
> +#include "qemu/datadir.h"
> +#include "sysemu/device_tree.h"
> +
> +#define PROM_FILENAME "pegasos2.rom"
> +#define PROM_ADDR 0xfff00000
> +#define PROM_SIZE 0x80000
> +
> +#define BUS_FREQ_HZ 133333333
> +
> +static void pegasos2_cpu_reset(void *opaque)
> +{
> + PowerPCCPU *cpu = opaque;
> +
> + cpu_reset(CPU(cpu));
> + cpu->env.spr[SPR_HID1] = 7ULL << 28;
> +}
> +
> +static void pegasos2_init(MachineState *machine)
> +{
> + PowerPCCPU *cpu = NULL;
> + MemoryRegion *rom = g_new(MemoryRegion, 1);
> + DeviceState *mv;
> + PCIBus *pci_bus;
> + PCIDevice *dev;
> + I2CBus *i2c_bus;
> + const char *fwname = machine->firmware ?: PROM_FILENAME;
> + char *filename;
> + int sz;
> + uint8_t *spd_data;
> +
> + /* init CPU */
> + cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
> + if (PPC_INPUT(&cpu->env) != PPC_FLAGS_INPUT_6xx) {
> + error_report("Incompatible CPU, only 6xx bus supported");
> + exit(1);
> + }
> +
> + /* Set time-base frequency */
> + cpu_ppc_tb_init(&cpu->env, BUS_FREQ_HZ / 4);
> + qemu_register_reset(pegasos2_cpu_reset, cpu);
> +
> + /* RAM */
> + memory_region_add_subregion(get_system_memory(), 0, machine->ram);
> +
> + /* allocate and load firmware */
> + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, fwname);
> + if (!filename) {
> + error_report("Could not find firmware '%s'", fwname);
> + exit(1);
> + }
> + memory_region_init_rom(rom, NULL, "pegasos2.rom", PROM_SIZE, &error_fatal);
> + memory_region_add_subregion(get_system_memory(), PROM_ADDR, rom);
> + sz = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1,
> + PPC_ELF_MACHINE, 0, 0);
> + if (sz <= 0) {
> + sz = load_image_targphys(filename, PROM_ADDR, PROM_SIZE);
> + }
> + if (sz <= 0 || sz > PROM_SIZE) {
> + error_report("Could not load firmware '%s'", filename);
> + exit(1);
> + }
> + g_free(filename);
> +
> + /* Marvell Discovery II system controller */
> + mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1,
> + ((qemu_irq *)cpu->env.irq_inputs)[PPC6xx_INPUT_INT]));
> + pci_bus = mv64361_get_pci_bus(mv, 1);
> +
> + /* VIA VT8231 South Bridge (multifunction PCI device) */
> + /* VT8231 function 0: PCI-to-ISA Bridge */
> + dev = pci_create_simple_multifunction(pci_bus, PCI_DEVFN(12, 0), true,
> + TYPE_VT8231_ISA);
> + qdev_connect_gpio_out(DEVICE(dev), 0,
> + qdev_get_gpio_in_named(mv, "gpp", 31));
> +
> + /* VT8231 function 1: IDE Controller */
> + dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 1), "via-ide");
> + pci_ide_create_devs(dev);
> +
> + /* VT8231 function 2-3: USB Ports */
> + pci_create_simple(pci_bus, PCI_DEVFN(12, 2), "vt82c686b-usb-uhci");
> + pci_create_simple(pci_bus, PCI_DEVFN(12, 3), "vt82c686b-usb-uhci");
> +
> + /* VT8231 function 4: Power Management Controller */
> + dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 4), TYPE_VT8231_PM);
> + i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c"));
> + spd_data = spd_data_generate(DDR, machine->ram_size);
> + smbus_eeprom_init_one(i2c_bus, 0x57, spd_data);
> +
> + /* VT8231 function 5-6: AC97 Audio & Modem */
> + pci_create_simple(pci_bus, PCI_DEVFN(12, 5), TYPE_VIA_AC97);
> + pci_create_simple(pci_bus, PCI_DEVFN(12, 6), TYPE_VIA_MC97);
> +
> + /* other PC hardware */
> + pci_vga_init(pci_bus);
> +}
> +
> +static void pegasos2_machine(MachineClass *mc)
> +{
> + mc->desc = "Genesi/bPlan Pegasos II";
> + mc->init = pegasos2_init;
> + mc->block_default_type = IF_IDE;
> + mc->default_boot_order = "cd";
> + mc->default_display = "std";
> + mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
> + mc->default_ram_id = "pegasos2.ram";
> + mc->default_ram_size = 512 * MiB;
> +}
> +
> +DEFINE_MACHINE("pegasos2", pegasos2_machine)
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2021-03-23 0:58 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-17 1:17 [PATCH v10 0/7] Pegasos2 emulation BALATON Zoltan
2021-03-17 1:17 ` [PATCH v10 7/7] hw/ppc: Add emulation of Genesi/bPlan Pegasos II BALATON Zoltan
2021-03-23 0:55 ` David Gibson [this message]
2021-03-23 13:01 ` BALATON Zoltan
2021-03-24 1:45 ` David Gibson
2021-03-24 11:21 ` BALATON Zoltan
2021-03-25 2:00 ` David Gibson
2021-03-17 1:17 ` [PATCH v10 1/7] vt82c686: QOM-ify superio related functionality BALATON Zoltan
2021-03-17 1:17 ` [PATCH v10 6/7] hw/pci-host: Add emulation of Marvell MV64361 PPC system controller BALATON Zoltan
2021-03-23 0:40 ` David Gibson
2021-03-23 13:31 ` BALATON Zoltan
2021-03-24 1:48 ` David Gibson
2021-03-24 11:11 ` BALATON Zoltan
2021-03-25 1:56 ` David Gibson
2021-03-17 1:17 ` [PATCH v10 4/7] vt82c686: Add emulation of VT8231 south bridge BALATON Zoltan
2021-03-17 1:17 ` [PATCH v10 5/7] hw/isa/Kconfig: Add missing dependency VIA VT82C686 -> APM BALATON Zoltan
2021-03-17 1:17 ` [PATCH v10 3/7] vt82c686: Introduce abstract TYPE_VIA_ISA and base vt82c686b_isa on it BALATON Zoltan
2021-03-17 18:23 ` Philippe Mathieu-Daudé
2021-03-17 19:24 ` BALATON Zoltan
2021-03-17 1:17 ` [PATCH v10 2/7] vt82c686: Add VT8231_SUPERIO based on VIA_SUPERIO BALATON Zoltan
2021-03-23 0:42 ` [PATCH v10 0/7] Pegasos2 emulation David Gibson
2021-03-23 12:57 ` BALATON Zoltan
2021-03-25 1:54 ` David Gibson
2021-03-25 14:04 ` BALATON Zoltan
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