diff options
| -rw-r--r-- | MAINTAINERS | 8 | ||||
| -rw-r--r-- | configs/devices/ppc-softmmu/default.mak | 1 | ||||
| -rw-r--r-- | hw/ppc/Kconfig | 7 | ||||
| -rw-r--r-- | hw/ppc/amigaone.c | 166 | ||||
| -rw-r--r-- | hw/ppc/meson.build | 2 |
5 files changed, 184 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index b86ea7f75a..3d0aec7ffa 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1536,6 +1536,14 @@ F: hw/pci-host/mv64361.c F: hw/pci-host/mv643xx.h F: include/hw/pci-host/mv64361.h +amigaone +M: BALATON Zoltan <balaton@eik.bme.hu> +L: qemu-ppc@nongnu.org +S: Maintained +F: hw/ppc/amigaone.c +F: hw/pci-host/articia.c +F: include/hw/pci-host/articia.h + Virtual Open Firmware (VOF) M: Alexey Kardashevskiy <aik@ozlabs.ru> R: David Gibson <david@gibson.dropbear.id.au> diff --git a/configs/devices/ppc-softmmu/default.mak b/configs/devices/ppc-softmmu/default.mak index a887f5438b..b85fd2bcd7 100644 --- a/configs/devices/ppc-softmmu/default.mak +++ b/configs/devices/ppc-softmmu/default.mak @@ -14,6 +14,7 @@ CONFIG_SAM460EX=y CONFIG_MAC_OLDWORLD=y CONFIG_MAC_NEWWORLD=y +CONFIG_AMIGAONE=y CONFIG_PEGASOS2=y # For PReP diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig index 5dfbf47ef5..56f0475a8e 100644 --- a/hw/ppc/Kconfig +++ b/hw/ppc/Kconfig @@ -69,6 +69,13 @@ config SAM460EX select USB_OHCI select FDT_PPC +config AMIGAONE + bool + imply ATI_VGA + select ARTICIA + select VT82C686 + select SMBUS_EEPROM + config PEGASOS2 bool imply ATI_VGA diff --git a/hw/ppc/amigaone.c b/hw/ppc/amigaone.c new file mode 100644 index 0000000000..992a55e632 --- /dev/null +++ b/hw/ppc/amigaone.c @@ -0,0 +1,166 @@ +/* + * QEMU Eyetech AmigaOne/Mai Logic Teron emulation + * + * Copyright (c) 2023 BALATON Zoltan + * + * This work is licensed under the GNU GPL license version 2 or later. + * + */ + +#include "qemu/osdep.h" +#include "qemu/units.h" +#include "qemu/datadir.h" +#include "qemu/log.h" +#include "qemu/error-report.h" +#include "qapi/error.h" +#include "hw/ppc/ppc.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "hw/pci-host/articia.h" +#include "hw/isa/vt82c686.h" +#include "hw/ide/pci.h" +#include "hw/i2c/smbus_eeprom.h" +#include "hw/ppc/ppc.h" +#include "sysemu/qtest.h" +#include "sysemu/reset.h" +#include "kvm_ppc.h" + +#define BUS_FREQ_HZ 100000000 + +/* + * Firmware binary available at + * https://www.hyperion-entertainment.com/index.php/downloads?view=files&parent=28 + * then "tail -c 524288 updater.image >u-boot-amigaone.bin" + * + * BIOS emulator in firmware cannot run QEMU vgabios and hangs on it, use + * -device VGA,romfile=VGABIOS-lgpl-latest.bin + * from http://www.nongnu.org/vgabios/ instead. + */ +#define PROM_FILENAME "u-boot-amigaone.bin" +#define PROM_ADDR 0xfff00000 +#define PROM_SIZE (512 * KiB) + +static void amigaone_cpu_reset(void *opaque) +{ + PowerPCCPU *cpu = opaque; + + cpu_reset(CPU(cpu)); + cpu_ppc_tb_reset(&cpu->env); +} + +static void fix_spd_data(uint8_t *spd) +{ + uint32_t bank_size = 4 * MiB * spd[31]; + uint32_t rows = bank_size / spd[13] / spd[17]; + spd[3] = ctz32(rows) - spd[4]; +} + +static void amigaone_init(MachineState *machine) +{ + PowerPCCPU *cpu; + CPUPPCState *env; + MemoryRegion *rom, *pci_mem, *mr; + const char *fwname = machine->firmware ?: PROM_FILENAME; + char *filename; + ssize_t sz; + PCIBus *pci_bus; + Object *via; + DeviceState *dev; + I2CBus *i2c_bus; + uint8_t *spd_data; + int i; + + /* init CPU */ + cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); + env = &cpu->env; + if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { + error_report("Incompatible CPU, only 6xx bus supported"); + exit(1); + } + cpu_ppc_tb_init(env, BUS_FREQ_HZ / 4); + qemu_register_reset(amigaone_cpu_reset, cpu); + + /* RAM */ + if (machine->ram_size > 2 * GiB) { + error_report("RAM size more than 2 GiB is not supported"); + exit(1); + } + memory_region_add_subregion(get_system_memory(), 0, machine->ram); + if (machine->ram_size < 1 * GiB + 32 * KiB) { + /* Firmware uses this area for startup */ + mr = g_new(MemoryRegion, 1); + memory_region_init_ram(mr, NULL, "init-cache", 32 * KiB, &error_fatal); + memory_region_add_subregion(get_system_memory(), 0x40000000, mr); + } + + /* allocate and load firmware */ + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, fwname); + if (filename) { + rom = g_new(MemoryRegion, 1); + memory_region_init_rom(rom, NULL, "rom", PROM_SIZE, &error_fatal); + memory_region_add_subregion(get_system_memory(), PROM_ADDR, rom); + 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); + } else if (!qtest_enabled()) { + error_report("Could not find firmware '%s'", fwname); + exit(1); + } + + /* Articia S */ + dev = sysbus_create_simple(TYPE_ARTICIA, 0xfe000000, NULL); + + i2c_bus = I2C_BUS(qdev_get_child_bus(dev, "smbus")); + if (machine->ram_size > 512 * MiB) { + spd_data = spd_data_generate(SDR, machine->ram_size / 2); + } else { + spd_data = spd_data_generate(SDR, machine->ram_size); + } + fix_spd_data(spd_data); + smbus_eeprom_init_one(i2c_bus, 0x51, spd_data); + if (machine->ram_size > 512 * MiB) { + smbus_eeprom_init_one(i2c_bus, 0x52, spd_data); + } + + pci_mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); + mr = g_new(MemoryRegion, 1); + memory_region_init_alias(mr, OBJECT(dev), "pci-mem-low", pci_mem, + 0, 0x1000000); + memory_region_add_subregion(get_system_memory(), 0xfd000000, mr); + mr = g_new(MemoryRegion, 1); + memory_region_init_alias(mr, OBJECT(dev), "pci-mem-high", pci_mem, + 0x80000000, 0x7d000000); + memory_region_add_subregion(get_system_memory(), 0x80000000, mr); + pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0")); + + /* VIA VT82c686B South Bridge (multifunction PCI device) */ + via = OBJECT(pci_create_simple_multifunction(pci_bus, PCI_DEVFN(7, 0), + TYPE_VT82C686B_ISA)); + object_property_add_alias(OBJECT(machine), "rtc-time", + object_resolve_path_component(via, "rtc"), + "date"); + qdev_connect_gpio_out(DEVICE(via), 0, + qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT)); + for (i = 0; i < PCI_NUM_PINS; i++) { + qdev_connect_gpio_out(dev, i, qdev_get_gpio_in_named(DEVICE(via), + "pirq", i)); + } + pci_ide_create_devs(PCI_DEVICE(object_resolve_path_component(via, "ide"))); + pci_vga_init(pci_bus); +} + +static void amigaone_machine_init(MachineClass *mc) +{ + mc->desc = "Eyetech AmigaOne/Mai Logic Teron"; + mc->init = amigaone_init; + mc->block_default_type = IF_IDE; + mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7457_v1.2"); + mc->default_display = "std"; + mc->default_ram_id = "ram"; + mc->default_ram_size = 512 * MiB; +} + +DEFINE_MACHINE("amigaone", amigaone_machine_init) diff --git a/hw/ppc/meson.build b/hw/ppc/meson.build index 7c2c52434a..7338f9432a 100644 --- a/hw/ppc/meson.build +++ b/hw/ppc/meson.build @@ -81,6 +81,8 @@ 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')) +# AmigaOne +ppc_ss.add(when: 'CONFIG_AMIGAONE', if_true: files('amigaone.c')) # Pegasos2 ppc_ss.add(when: 'CONFIG_PEGASOS2', if_true: files('pegasos2.c')) |