diff options
author | Thomas Huth <thuth@redhat.com> | 2020-01-14 12:46:17 +0100 |
---|---|---|
committer | David Gibson <david@gibson.dropbear.id.au> | 2020-02-02 14:07:57 +1100 |
commit | b2ce76a0730e48e60633a698cd876d55917ac9bc (patch) | |
tree | b69cc374e3227cf32778fc4a4d293919ddc002d9 /hw/ppc/prep.c | |
parent | 79a87336508b7c4c0047f92e0fab681359b816d4 (diff) |
hw/ppc/prep: Remove the deprecated "prep" machine and the OpenHackware BIOS
It's been deprecated since QEMU v3.1. The 40p machine should be
used nowadays instead.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200114114617.28854-1-thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc/prep.c')
-rw-r--r-- | hw/ppc/prep.c | 384 |
1 files changed, 1 insertions, 383 deletions
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c index 862345c2ac..111cc80867 100644 --- a/hw/ppc/prep.c +++ b/hw/ppc/prep.c @@ -42,7 +42,7 @@ #include "hw/loader.h" #include "hw/rtc/mc146818rtc.h" #include "hw/isa/pc87312.h" -#include "hw/net/ne2000-isa.h" +#include "hw/qdev-properties.h" #include "sysemu/arch_init.h" #include "sysemu/kvm.h" #include "sysemu/qtest.h" @@ -60,178 +60,9 @@ #define CFG_ADDR 0xf0000510 -#define BIOS_SIZE (1 * MiB) -#define BIOS_FILENAME "ppc_rom.bin" #define KERNEL_LOAD_ADDR 0x01000000 #define INITRD_LOAD_ADDR 0x01800000 -/* Constants for devices init */ -static const int ide_iobase[2] = { 0x1f0, 0x170 }; -static const int ide_iobase2[2] = { 0x3f6, 0x376 }; -static const int ide_irq[2] = { 13, 13 }; - -#define NE2000_NB_MAX 6 - -static uint32_t ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 }; -static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 }; - -/* ISA IO ports bridge */ -#define PPC_IO_BASE 0x80000000 - -/* Fake super-io ports for PREP platform (Intel 82378ZB) */ -typedef struct sysctrl_t { - qemu_irq reset_irq; - Nvram *nvram; - uint8_t state; - uint8_t syscontrol; - int contiguous_map; - qemu_irq contiguous_map_irq; - int endian; -} sysctrl_t; - -enum { - STATE_HARDFILE = 0x01, -}; - -static sysctrl_t *sysctrl; - -static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val) -{ - sysctrl_t *sysctrl = opaque; - - trace_prep_io_800_writeb(addr - PPC_IO_BASE, val); - switch (addr) { - case 0x0092: - /* Special port 92 */ - /* Check soft reset asked */ - if (val & 0x01) { - qemu_irq_raise(sysctrl->reset_irq); - } else { - qemu_irq_lower(sysctrl->reset_irq); - } - /* Check LE mode */ - if (val & 0x02) { - sysctrl->endian = 1; - } else { - sysctrl->endian = 0; - } - break; - case 0x0800: - /* Motorola CPU configuration register : read-only */ - break; - case 0x0802: - /* Motorola base module feature register : read-only */ - break; - case 0x0803: - /* Motorola base module status register : read-only */ - break; - case 0x0808: - /* Hardfile light register */ - if (val & 1) - sysctrl->state |= STATE_HARDFILE; - else - sysctrl->state &= ~STATE_HARDFILE; - break; - case 0x0810: - /* Password protect 1 register */ - if (sysctrl->nvram != NULL) { - NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram); - (k->toggle_lock)(sysctrl->nvram, 1); - } - break; - case 0x0812: - /* Password protect 2 register */ - if (sysctrl->nvram != NULL) { - NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram); - (k->toggle_lock)(sysctrl->nvram, 2); - } - break; - case 0x0814: - /* L2 invalidate register */ - // tlb_flush(first_cpu, 1); - break; - case 0x081C: - /* system control register */ - sysctrl->syscontrol = val & 0x0F; - break; - case 0x0850: - /* I/O map type register */ - sysctrl->contiguous_map = val & 0x01; - qemu_set_irq(sysctrl->contiguous_map_irq, sysctrl->contiguous_map); - break; - default: - printf("ERROR: unaffected IO port write: %04" PRIx32 - " => %02" PRIx32"\n", addr, val); - break; - } -} - -static uint32_t PREP_io_800_readb (void *opaque, uint32_t addr) -{ - sysctrl_t *sysctrl = opaque; - uint32_t retval = 0xFF; - - switch (addr) { - case 0x0092: - /* Special port 92 */ - retval = sysctrl->endian << 1; - break; - case 0x0800: - /* Motorola CPU configuration register */ - retval = 0xEF; /* MPC750 */ - break; - case 0x0802: - /* Motorola Base module feature register */ - retval = 0xAD; /* No ESCC, PMC slot neither ethernet */ - break; - case 0x0803: - /* Motorola base module status register */ - retval = 0xE0; /* Standard MPC750 */ - break; - case 0x080C: - /* Equipment present register: - * no L2 cache - * no upgrade processor - * no cards in PCI slots - * SCSI fuse is bad - */ - retval = 0x3C; - break; - case 0x0810: - /* Motorola base module extended feature register */ - retval = 0x39; /* No USB, CF and PCI bridge. NVRAM present */ - break; - case 0x0814: - /* L2 invalidate: don't care */ - break; - case 0x0818: - /* Keylock */ - retval = 0x00; - break; - case 0x081C: - /* system control register - * 7 - 6 / 1 - 0: L2 cache enable - */ - retval = sysctrl->syscontrol; - break; - case 0x0823: - /* */ - retval = 0x03; /* no L2 cache */ - break; - case 0x0850: - /* I/O map type register */ - retval = sysctrl->contiguous_map; - break; - default: - printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr); - break; - } - trace_prep_io_800_readb(addr - PPC_IO_BASE, retval); - - return retval; -} - - #define NVRAM_SIZE 0x2000 static void fw_cfg_boot_set(void *opaque, const char *boot_device, @@ -247,17 +78,6 @@ static void ppc_prep_reset(void *opaque) cpu_reset(CPU(cpu)); } -static const MemoryRegionPortio prep_portio_list[] = { - /* System control ports */ - { 0x0092, 1, 1, .read = PREP_io_800_readb, .write = PREP_io_800_writeb, }, - { 0x0800, 0x52, 1, - .read = PREP_io_800_readb, .write = PREP_io_800_writeb, }, - /* Special port to get debug messages from Open-Firmware */ - { 0x0F00, 4, 1, .write = PPC_debug_write, }, - PORTIO_END_OF_LIST(), -}; - -static PortioList prep_port_list; /*****************************************************************************/ /* NVRAM helpers */ @@ -397,207 +217,6 @@ static int PPC_NVRAM_set_params (Nvram *nvram, uint16_t NVRAM_size, return 0; } -/* PowerPC PREP hardware initialisation */ -static void ppc_prep_init(MachineState *machine) -{ - ram_addr_t ram_size = machine->ram_size; - const char *kernel_filename = machine->kernel_filename; - const char *kernel_cmdline = machine->kernel_cmdline; - const char *initrd_filename = machine->initrd_filename; - const char *boot_device = machine->boot_order; - MemoryRegion *sysmem = get_system_memory(); - PowerPCCPU *cpu = NULL; - CPUPPCState *env = NULL; - Nvram *m48t59; -#if 0 - MemoryRegion *xcsr = g_new(MemoryRegion, 1); -#endif - int linux_boot, i, nb_nics1; - MemoryRegion *ram = g_new(MemoryRegion, 1); - uint32_t kernel_base, initrd_base; - long kernel_size, initrd_size; - DeviceState *dev; - PCIHostState *pcihost; - PCIBus *pci_bus; - PCIDevice *pci; - ISABus *isa_bus; - ISADevice *isa; - int ppc_boot_device; - DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; - - sysctrl = g_malloc0(sizeof(sysctrl_t)); - - linux_boot = (kernel_filename != NULL); - - /* init CPUs */ - for (i = 0; i < machine->smp.cpus; i++) { - cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); - env = &cpu->env; - - if (env->flags & POWERPC_FLAG_RTC_CLK) { - /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */ - cpu_ppc_tb_init(env, 7812500UL); - } else { - /* Set time-base frequency to 100 Mhz */ - cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); - } - qemu_register_reset(ppc_prep_reset, cpu); - } - - /* allocate RAM */ - memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size); - memory_region_add_subregion(sysmem, 0, ram); - - if (linux_boot) { - kernel_base = KERNEL_LOAD_ADDR; - /* now we can load the kernel */ - kernel_size = load_image_targphys(kernel_filename, kernel_base, - ram_size - kernel_base); - if (kernel_size < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - /* load initrd */ - if (initrd_filename) { - initrd_base = INITRD_LOAD_ADDR; - initrd_size = load_image_targphys(initrd_filename, initrd_base, - ram_size - initrd_base); - if (initrd_size < 0) { - error_report("could not load initial ram disk '%s'", - initrd_filename); - exit(1); - } - } else { - initrd_base = 0; - initrd_size = 0; - } - ppc_boot_device = 'm'; - } else { - kernel_base = 0; - kernel_size = 0; - initrd_base = 0; - initrd_size = 0; - ppc_boot_device = '\0'; - /* For now, OHW cannot boot from the network. */ - for (i = 0; boot_device[i] != '\0'; i++) { - if (boot_device[i] >= 'a' && boot_device[i] <= 'f') { - ppc_boot_device = boot_device[i]; - break; - } - } - if (ppc_boot_device == '\0') { - error_report("No valid boot device for Mac99 machine"); - exit(1); - } - } - - if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { - error_report("Only 6xx bus is supported on PREP machine"); - exit(1); - } - - dev = qdev_create(NULL, "raven-pcihost"); - if (bios_name == NULL) { - bios_name = BIOS_FILENAME; - } - qdev_prop_set_string(dev, "bios-name", bios_name); - qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE); - qdev_prop_set_bit(dev, "is-legacy-prep", true); - pcihost = PCI_HOST_BRIDGE(dev); - object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL); - qdev_init_nofail(dev); - pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0"); - if (pci_bus == NULL) { - error_report("Couldn't create PCI host controller"); - exit(1); - } - sysctrl->contiguous_map_irq = qdev_get_gpio_in(dev, 0); - - /* PCI -> ISA bridge */ - pci = pci_create_simple(pci_bus, PCI_DEVFN(1, 0), "i82378"); - cpu = POWERPC_CPU(first_cpu); - qdev_connect_gpio_out(&pci->qdev, 0, - cpu->env.irq_inputs[PPC6xx_INPUT_INT]); - sysbus_connect_irq(&pcihost->busdev, 0, qdev_get_gpio_in(&pci->qdev, 9)); - sysbus_connect_irq(&pcihost->busdev, 1, qdev_get_gpio_in(&pci->qdev, 11)); - sysbus_connect_irq(&pcihost->busdev, 2, qdev_get_gpio_in(&pci->qdev, 9)); - sysbus_connect_irq(&pcihost->busdev, 3, qdev_get_gpio_in(&pci->qdev, 11)); - isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci), "isa.0")); - - /* Super I/O (parallel + serial ports) */ - isa = isa_create(isa_bus, TYPE_PC87312_SUPERIO); - dev = DEVICE(isa); - qdev_prop_set_uint8(dev, "config", 13); /* fdc, ser0, ser1, par0 */ - qdev_init_nofail(dev); - - /* init basic PC hardware */ - pci_vga_init(pci_bus); - - nb_nics1 = nb_nics; - if (nb_nics1 > NE2000_NB_MAX) - nb_nics1 = NE2000_NB_MAX; - for(i = 0; i < nb_nics1; i++) { - if (nd_table[i].model == NULL) { - nd_table[i].model = g_strdup("ne2k_isa"); - } - if (strcmp(nd_table[i].model, "ne2k_isa") == 0) { - isa_ne2000_init(isa_bus, ne2000_io[i], ne2000_irq[i], - &nd_table[i]); - } else { - pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL); - } - } - - ide_drive_get(hd, ARRAY_SIZE(hd)); - for(i = 0; i < MAX_IDE_BUS; i++) { - isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i], - hd[2 * i], - hd[2 * i + 1]); - } - - cpu = POWERPC_CPU(first_cpu); - sysctrl->reset_irq = cpu->env.irq_inputs[PPC6xx_INPUT_HRESET]; - - portio_list_init(&prep_port_list, NULL, prep_portio_list, sysctrl, "prep"); - portio_list_add(&prep_port_list, isa_address_space_io(isa), 0x0); - - /* - * PowerPC control and status register group: unimplemented, - * would be at address 0xFEFF0000. - */ - - if (machine_usb(machine)) { - pci_create_simple(pci_bus, -1, "pci-ohci"); - } - - m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 2000, 59); - if (m48t59 == NULL) - return; - sysctrl->nvram = m48t59; - - /* Initialise NVRAM */ - PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size, - ppc_boot_device, - kernel_base, kernel_size, - kernel_cmdline, - initrd_base, initrd_size, - /* XXX: need an option to load a NVRAM image */ - 0, - graphic_width, graphic_height, graphic_depth); -} - -static void prep_machine_init(MachineClass *mc) -{ - mc->deprecation_reason = "use 40p machine type instead"; - mc->desc = "PowerPC PREP platform"; - mc->init = ppc_prep_init; - mc->block_default_type = IF_IDE; - mc->max_cpus = MAX_CPUS; - mc->default_boot_order = "cad"; - mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("602"); - mc->default_display = "std"; -} - static int prep_set_cmos_checksum(DeviceState *dev, void *opaque) { uint16_t checksum = *(uint16_t *)opaque; @@ -821,4 +440,3 @@ static void ibm_40p_machine_init(MachineClass *mc) } DEFINE_MACHINE("40p", ibm_40p_machine_init) -DEFINE_MACHINE("prep", prep_machine_init) |