static void vexpress_a9_init(ram_addr_t ram_size, const char *boot_device, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { CPUState *env = NULL; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *lowram = g_new(MemoryRegion, 1); MemoryRegion *vram = g_new(MemoryRegion, 1); MemoryRegion *sram = g_new(MemoryRegion, 1); MemoryRegion *hackram = g_new(MemoryRegion, 1); DeviceState *dev, *sysctl, *pl041; SysBusDevice *busdev; qemu_irq *irqp; qemu_irq pic[64]; int n; qemu_irq cpu_irq[4]; uint32_t proc_id; uint32_t sys_id; ram_addr_t low_ram_size, vram_size, sram_size; target_phys_addr_t *map = motherboard_legacy_map; if (!cpu_model) { cpu_model = "cortex-a9"; } for (n = 0; n < smp_cpus; n++) { env = cpu_init(cpu_model); if (!env) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } irqp = arm_pic_init_cpu(env); cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; } if (ram_size > 0x40000000) { /* 1GB is the maximum the address space permits */ fprintf(stderr, "vexpress: cannot model more than 1GB RAM\n"); exit(1); } memory_region_init_ram(ram, "vexpress.highmem", ram_size); vmstate_register_ram_global(ram); low_ram_size = ram_size; if (low_ram_size > 0x4000000) { low_ram_size = 0x4000000; } /* RAM is from 0x60000000 upwards. The bottom 64MB of the * address space should in theory be remappable to various * things including ROM or RAM; we always map the RAM there. */ memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size); memory_region_add_subregion(sysmem, 0x0, lowram); memory_region_add_subregion(sysmem, 0x60000000, ram); /* 0x1e000000 A9MPCore (SCU) private memory region */ dev = qdev_create(NULL, "a9mpcore_priv"); qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); qdev_init_nofail(dev); busdev = sysbus_from_qdev(dev); vexpress_binfo.smp_priv_base = 0x1e000000; sysbus_mmio_map(busdev, 0, vexpress_binfo.smp_priv_base); for (n = 0; n < smp_cpus; n++) { sysbus_connect_irq(busdev, n, cpu_irq[n]); } /* Interrupts [42:0] are from the motherboard; * [47:43] are reserved; [63:48] are daughterboard * peripherals. Note that some documentation numbers * external interrupts starting from 32 (because the * A9MP has internal interrupts 0..31). */ for (n = 0; n < 64; n++) { pic[n] = qdev_get_gpio_in(dev, n); } /* Motherboard peripherals: the wiring is the same but the * addresses vary between the legacy and A-Series memory maps. */ sys_id = 0x1190f500; proc_id = 0x0c000191; sysctl = qdev_create(NULL, "realview_sysctl"); qdev_prop_set_uint32(sysctl, "sys_id", sys_id); qdev_prop_set_uint32(sysctl, "proc_id", proc_id); qdev_init_nofail(sysctl); sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, map[VE_SYSREGS]); /* VE_SP810: not modelled */ /* VE_SERIALPCI: not modelled */ pl041 = qdev_create(NULL, "pl041"); qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); qdev_init_nofail(pl041); sysbus_mmio_map(sysbus_from_qdev(pl041), 0, map[VE_PL041]); sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[11]); dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); /* Wire up MMC card detect and read-only signals */ qdev_connect_gpio_out(dev, 0, qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); qdev_connect_gpio_out(dev, 1, qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); sysbus_create_simple("pl011", map[VE_UART0], pic[5]); sysbus_create_simple("pl011", map[VE_UART1], pic[6]); sysbus_create_simple("pl011", map[VE_UART2], pic[7]); sysbus_create_simple("pl011", map[VE_UART3], pic[8]); sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); /* VE_SERIALDVI: not modelled */ sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ /* VE_COMPACTFLASH: not modelled */ /* VE_CLCD: not modelled (we use the daughterboard CLCD only) */ /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ /* 0x10020000 PL111 CLCD (daughterboard) */ sysbus_create_simple("pl111", 0x10020000, pic[44]); /* 0x10060000 AXI RAM */ /* 0x100e0000 PL341 Dynamic Memory Controller */ /* 0x100e1000 PL354 Static Memory Controller */ /* 0x100e2000 System Configuration Controller */ sysbus_create_simple("sp804", 0x100e4000, pic[48]); /* 0x100e5000 SP805 Watchdog module */ /* 0x100e6000 BP147 TrustZone Protection Controller */ /* 0x100e9000 PL301 'Fast' AXI matrix */ /* 0x100ea000 PL301 'Slow' AXI matrix */ /* 0x100ec000 TrustZone Address Space Controller */ /* 0x10200000 CoreSight debug APB */ /* 0x1e00a000 PL310 L2 Cache Controller */ sysbus_create_varargs("l2x0", 0x1e00a000, NULL); /* VE_NORFLASH0: not modelled */ /* VE_NORFLASH0ALIAS: not modelled */ /* VE_NORFLASH1: not modelled */ sram_size = 0x2000000; memory_region_init_ram(sram, "vexpress.sram", sram_size); vmstate_register_ram_global(sram); memory_region_add_subregion(sysmem, map[VE_SRAM], sram); vram_size = 0x800000; memory_region_init_ram(vram, "vexpress.vram", vram_size); vmstate_register_ram_global(vram); memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram); /* 0x4e000000 LAN9118 Ethernet */ if (nd_table[0].vlan) { lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); } /* VE_USB: not modelled */ /* VE_DAPROM: not modelled */ /* ??? Hack to map an additional page of ram for the secondary CPU startup code. I guess this works on real hardware because the BootROM happens to be in ROM/flash or in memory that isn't clobbered until after Linux boots the secondary CPUs. */ memory_region_init_ram(hackram, "vexpress.hack", 0x1000); vmstate_register_ram_global(hackram); memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, hackram); vexpress_binfo.ram_size = ram_size; vexpress_binfo.kernel_filename = kernel_filename; vexpress_binfo.kernel_cmdline = kernel_cmdline; vexpress_binfo.initrd_filename = initrd_filename; vexpress_binfo.nb_cpus = smp_cpus; vexpress_binfo.board_id = VEXPRESS_BOARD_ID; vexpress_binfo.loader_start = 0x60000000; vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; arm_load_kernel(first_cpu, &vexpress_binfo); }
static void vexpress_a9_init(ram_addr_t ram_size, const char *boot_device, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { CPUState *env = NULL; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *lowram = g_new(MemoryRegion, 1); MemoryRegion *vram = g_new(MemoryRegion, 1); MemoryRegion *sram = g_new(MemoryRegion, 1); MemoryRegion *hackram = g_new(MemoryRegion, 1); DeviceState *dev, *sysctl, *pl041; SysBusDevice *busdev; qemu_irq *irqp; qemu_irq pic[64]; int n; qemu_irq cpu_irq[4]; uint32_t proc_id; uint32_t sys_id; ram_addr_t low_ram_size, vram_size, sram_size; target_phys_addr_t *map = motherboard_legacy_map; if (!cpu_model) { cpu_model = "cortex-a9"; } for (n = 0; n < smp_cpus; n++) { env = cpu_init(cpu_model); if (!env) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } irqp = arm_pic_init_cpu(env); cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; } if (ram_size > 0x40000000) {   fprintf(stderr, "vexpress: cannot model more than 1GB RAM\n"); exit(1); } memory_region_init_ram(ram, "vexpress.highmem", ram_size); vmstate_register_ram_global(ram); low_ram_size = ram_size; if (low_ram_size > 0x4000000) { low_ram_size = 0x4000000; }   memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size); memory_region_add_subregion(sysmem, 0x0, lowram); memory_region_add_subregion(sysmem, 0x60000000, ram);   dev = qdev_create(NULL, "a9mpcore_priv"); qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); qdev_init_nofail(dev); busdev = sysbus_from_qdev(dev); vexpress_binfo.smp_priv_base = 0x1e000000; sysbus_mmio_map(busdev, 0, vexpress_binfo.smp_priv_base); for (n = 0; n < smp_cpus; n++) { sysbus_connect_irq(busdev, n, cpu_irq[n]); }   for (n = 0; n < 64; n++) { pic[n] = qdev_get_gpio_in(dev, n); }   sys_id = 0x1190f500; proc_id = 0x0c000191; sysctl = qdev_create(NULL, "realview_sysctl"); qdev_prop_set_uint32(sysctl, "sys_id", sys_id); qdev_prop_set_uint32(sysctl, "proc_id", proc_id); qdev_init_nofail(sysctl); sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, map[VE_SYSREGS]);     pl041 = qdev_create(NULL, "pl041"); qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); qdev_init_nofail(pl041); sysbus_mmio_map(sysbus_from_qdev(pl041), 0, map[VE_PL041]); sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[11]); dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL);   qdev_connect_gpio_out(dev, 0, qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); qdev_connect_gpio_out(dev, 1, qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); sysbus_create_simple("pl011", map[VE_UART0], pic[5]); sysbus_create_simple("pl011", map[VE_UART1], pic[6]); sysbus_create_simple("pl011", map[VE_UART2], pic[7]); sysbus_create_simple("pl011", map[VE_UART3], pic[8]); sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);   sysbus_create_simple("pl031", map[VE_RTC], pic[4]);           sysbus_create_simple("pl111", 0x10020000, pic[44]);         sysbus_create_simple("sp804", 0x100e4000, pic[48]);               sysbus_create_varargs("l2x0", 0x1e00a000, NULL);       sram_size = 0x2000000; memory_region_init_ram(sram, "vexpress.sram", sram_size); vmstate_register_ram_global(sram); memory_region_add_subregion(sysmem, map[VE_SRAM], sram); vram_size = 0x800000; memory_region_init_ram(vram, "vexpress.vram", vram_size); vmstate_register_ram_global(vram); memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram);   if (nd_table[0].vlan) { lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); }       memory_region_init_ram(hackram, "vexpress.hack", 0x1000); vmstate_register_ram_global(hackram); memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, hackram); vexpress_binfo.ram_size = ram_size; vexpress_binfo.kernel_filename = kernel_filename; vexpress_binfo.kernel_cmdline = kernel_cmdline; vexpress_binfo.initrd_filename = initrd_filename; vexpress_binfo.nb_cpus = smp_cpus; vexpress_binfo.board_id = VEXPRESS_BOARD_ID; vexpress_binfo.loader_start = 0x60000000; vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; arm_load_kernel(first_cpu, &vexpress_binfo); }