#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"
#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,
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 */
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;
}
DEFINE_MACHINE("40p", ibm_40p_machine_init)
-DEFINE_MACHINE("prep", prep_machine_init)
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