/* * ARM Versatile Platform/Application Baseboard System emulation. * * Copyright (c) 2005-2007 CodeSourcery. * Written by Paul Brook * * This code is licensed under the GPL. */ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu-common.h" #include "cpu.h" #include "hw/sysbus.h" #include "hw/arm/arm.h" #include "hw/devices.h" #include "net/net.h" #include "sysemu/sysemu.h" #include "hw/pci/pci.h" #include "hw/i2c/i2c.h" #include "hw/boards.h" #include "exec/address-spaces.h" #include "hw/block/flash.h" #include "qemu/error-report.h" #include "hw/char/pl011.h" #define VERSATILE_FLASH_ADDR 0x34000000 #define VERSATILE_FLASH_SIZE (64 * 1024 * 1024) #define VERSATILE_FLASH_SECT_SIZE (256 * 1024) /* Primary interrupt controller. */ #define TYPE_VERSATILE_PB_SIC "versatilepb_sic" #define VERSATILE_PB_SIC(obj) \ OBJECT_CHECK(vpb_sic_state, (obj), TYPE_VERSATILE_PB_SIC) typedef struct vpb_sic_state { SysBusDevice parent_obj; MemoryRegion iomem; uint32_t level; uint32_t mask; uint32_t pic_enable; qemu_irq parent[32]; int irq; } vpb_sic_state; static const VMStateDescription vmstate_vpb_sic = { .name = "versatilepb_sic", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(level, vpb_sic_state), VMSTATE_UINT32(mask, vpb_sic_state), VMSTATE_UINT32(pic_enable, vpb_sic_state), VMSTATE_END_OF_LIST() } }; static void vpb_sic_update(vpb_sic_state *s) { uint32_t flags; flags = s->level & s->mask; qemu_set_irq(s->parent[s->irq], flags != 0); } static void vpb_sic_update_pic(vpb_sic_state *s) { int i; uint32_t mask; for (i = 21; i <= 30; i++) { mask = 1u << i; if (!(s->pic_enable & mask)) continue; qemu_set_irq(s->parent[i], (s->level & mask) != 0); } } static void vpb_sic_set_irq(void *opaque, int irq, int level) { vpb_sic_state *s = (vpb_sic_state *)opaque; if (level) s->level |= 1u << irq; else s->level &= ~(1u << irq); if (s->pic_enable & (1u << irq)) qemu_set_irq(s->parent[irq], level); vpb_sic_update(s); } static uint64_t vpb_sic_read(void *opaque, hwaddr offset, unsigned size) { vpb_sic_state *s = (vpb_sic_state *)opaque; switch (offset >> 2) { case 0: /* STATUS */ return s->level & s->mask; case 1: /* RAWSTAT */ return s->level; case 2: /* ENABLE */ return s->mask; case 4: /* SOFTINT */ return s->level & 1; case 8: /* PICENABLE */ return s->pic_enable; default: printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset); return 0; } } static void vpb_sic_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { vpb_sic_state *s = (vpb_sic_state *)opaque; switch (offset >> 2) { case 2: /* ENSET */ s->mask |= value; break; case 3: /* ENCLR */ s->mask &= ~value; break; case 4: /* SOFTINTSET */ if (value) s->mask |= 1; break; case 5: /* SOFTINTCLR */ if (value) s->mask &= ~1u; break; case 8: /* PICENSET */ s->pic_enable |= (value & 0x7fe00000); vpb_sic_update_pic(s); break; case 9: /* PICENCLR */ s->pic_enable &= ~value; vpb_sic_update_pic(s); break; default: printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset); return; } vpb_sic_update(s); } static const MemoryRegionOps vpb_sic_ops = { .read = vpb_sic_read, .write = vpb_sic_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static void vpb_sic_init(Object *obj) { DeviceState *dev = DEVICE(obj); vpb_sic_state *s = VERSATILE_PB_SIC(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj); int i; qdev_init_gpio_in(dev, vpb_sic_set_irq, 32); for (i = 0; i < 32; i++) { sysbus_init_irq(sbd, &s->parent[i]); } s->irq = 31; memory_region_init_io(&s->iomem, obj, &vpb_sic_ops, s, "vpb-sic", 0x1000); sysbus_init_mmio(sbd, &s->iomem); } /* Board init. */ /* The AB and PB boards both use the same core, just with different peripherals and expansion busses. For now we emulate a subset of the PB peripherals and just change the board ID. */ static struct arm_boot_info versatile_binfo; static void versatile_init(MachineState *machine, int board_id) { Object *cpuobj; ARMCPU *cpu; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); qemu_irq pic[32]; qemu_irq sic[32]; DeviceState *dev, *sysctl; SysBusDevice *busdev; DeviceState *pl041; PCIBus *pci_bus; NICInfo *nd; I2CBus *i2c; int n; int done_smc = 0; DriveInfo *dinfo; if (machine->ram_size > 0x10000000) { /* Device starting at address 0x10000000, * and memory cannot overlap with devices. * Refuse to run rather than behaving very confusingly. */ error_report("versatilepb: memory size must not exceed 256MB"); exit(1); } cpuobj = object_new(machine->cpu_type); /* By default ARM1176 CPUs have EL3 enabled. This board does not * currently support EL3 so the CPU EL3 property is disabled before * realization. */ if (object_property_find(cpuobj, "has_el3", NULL)) { object_property_set_bool(cpuobj, false, "has_el3", &error_fatal); } object_property_set_bool(cpuobj, true, "realized", &error_fatal); cpu = ARM_CPU(cpuobj); memory_region_allocate_system_memory(ram, NULL, "versatile.ram", machine->ram_size); /* ??? RAM should repeat to fill physical memory space. */ /* SDRAM at address zero. */ memory_region_add_subregion(sysmem, 0, ram); sysctl = qdev_create(NULL, "realview_sysctl"); qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004); qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000); qdev_init_nofail(sysctl); sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000); dev = sysbus_create_varargs("pl190", 0x10140000, qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ), qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ), NULL); for (n = 0; n < 32; n++) { pic[n] = qdev_get_gpio_in(dev, n); } dev = sysbus_create_simple(TYPE_VERSATILE_PB_SIC, 0x10003000, NULL); for (n = 0; n < 32; n++) { sysbus_connect_irq(SYS_BUS_DEVICE(dev), n, pic[n]); sic[n] = qdev_get_gpio_in(dev, n); } sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]); sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]); dev = qdev_create(NULL, "versatile_pci"); busdev = SYS_BUS_DEVICE(dev); qdev_init_nofail(dev); sysbus_mmio_map(busdev, 0, 0x10001000); /* PCI controller regs */ sysbus_mmio_map(busdev, 1, 0x41000000); /* PCI self-config */ sysbus_mmio_map(busdev, 2, 0x42000000); /* PCI config */ sysbus_mmio_map(busdev, 3, 0x43000000); /* PCI I/O */ sysbus_mmio_map(busdev, 4, 0x44000000); /* PCI memory window 1 */ sysbus_mmio_map(busdev, 5, 0x50000000); /* PCI memory window 2 */ sysbus_mmio_map(busdev, 6, 0x60000000); /* PCI memory window 3 */ sysbus_connect_irq(busdev, 0, sic[27]); sysbus_connect_irq(busdev, 1, sic[28]); sysbus_connect_irq(busdev, 2, sic[29]); sysbus_connect_irq(busdev, 3, sic[30]); pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); for(n = 0; n < nb_nics; n++) { nd = &nd_table[n]; if (!done_smc && (!nd->model || strcmp(nd->model, "smc91c111") == 0)) { smc91c111_init(nd, 0x10010000, sic[25]); done_smc = 1; } else { pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL); } } if (machine_usb(machine)) { pci_create_simple(pci_bus, -1, "pci-ohci"); } n = drive_get_max_bus(IF_SCSI); while (n >= 0) { lsi53c895a_create(pci_bus); n--; } pl011_create(0x101f1000, pic[12], serial_hd(0)); pl011_create(0x101f2000, pic[13], serial_hd(1)); pl011_create(0x101f3000, pic[14], serial_hd(2)); pl011_create(0x10009000, sic[6], serial_hd(3)); sysbus_create_simple("pl080", 0x10130000, pic[17]); sysbus_create_simple("sp804", 0x101e2000, pic[4]); sysbus_create_simple("sp804", 0x101e3000, pic[5]); sysbus_create_simple("pl061", 0x101e4000, pic[6]); sysbus_create_simple("pl061", 0x101e5000, pic[7]); sysbus_create_simple("pl061", 0x101e6000, pic[8]); sysbus_create_simple("pl061", 0x101e7000, pic[9]); /* The versatile/PB actually has a modified Color LCD controller that includes hardware cursor support from the PL111. */ dev = sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]); /* Wire up the mux control signals from the SYS_CLCD register */ qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0)); sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL); sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL); /* Add PL031 Real Time Clock. */ sysbus_create_simple("pl031", 0x101e8000, pic[10]); dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL); i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); i2c_create_slave(i2c, "ds1338", 0x68); /* Add PL041 AACI Interface to the LM4549 codec */ pl041 = qdev_create(NULL, "pl041"); qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); qdev_init_nofail(pl041); sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000); sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, sic[24]); /* Memory map for Versatile/PB: */ /* 0x10000000 System registers. */ /* 0x10001000 PCI controller config registers. */ /* 0x10002000 Serial bus interface. */ /* 0x10003000 Secondary interrupt controller. */ /* 0x10004000 AACI (audio). */ /* 0x10005000 MMCI0. */ /* 0x10006000 KMI0 (keyboard). */ /* 0x10007000 KMI1 (mouse). */ /* 0x10008000 Character LCD Interface. */ /* 0x10009000 UART3. */ /* 0x1000a000 Smart card 1. */ /* 0x1000b000 MMCI1. */ /* 0x10010000 Ethernet. */ /* 0x10020000 USB. */ /* 0x10100000 SSMC. */ /* 0x10110000 MPMC. */ /* 0x10120000 CLCD Controller. */ /* 0x10130000 DMA Controller. */ /* 0x10140000 Vectored interrupt controller. */ /* 0x101d0000 AHB Monitor Interface. */ /* 0x101e0000 System Controller. */ /* 0x101e1000 Watchdog Interface. */ /* 0x101e2000 Timer 0/1. */ /* 0x101e3000 Timer 2/3. */ /* 0x101e4000 GPIO port 0. */ /* 0x101e5000 GPIO port 1. */ /* 0x101e6000 GPIO port 2. */ /* 0x101e7000 GPIO port 3. */ /* 0x101e8000 RTC. */ /* 0x101f0000 Smart card 0. */ /* 0x101f1000 UART0. */ /* 0x101f2000 UART1. */ /* 0x101f3000 UART2. */ /* 0x101f4000 SSPI. */ /* 0x34000000 NOR Flash */ dinfo = drive_get(IF_PFLASH, 0, 0); if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, NULL, "versatile.flash", VERSATILE_FLASH_SIZE, dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, VERSATILE_FLASH_SECT_SIZE, VERSATILE_FLASH_SIZE / VERSATILE_FLASH_SECT_SIZE, 4, 0x0089, 0x0018, 0x0000, 0x0, 0)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); } versatile_binfo.ram_size = machine->ram_size; versatile_binfo.kernel_filename = machine->kernel_filename; versatile_binfo.kernel_cmdline = machine->kernel_cmdline; versatile_binfo.initrd_filename = machine->initrd_filename; versatile_binfo.board_id = board_id; arm_load_kernel(cpu, &versatile_binfo); } static void vpb_init(MachineState *machine) { versatile_init(machine, 0x183); } static void vab_init(MachineState *machine) { versatile_init(machine, 0x25e); } static void versatilepb_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); mc->desc = "ARM Versatile/PB (ARM926EJ-S)"; mc->init = vpb_init; mc->block_default_type = IF_SCSI; mc->ignore_memory_transaction_failures = true; mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926"); } static const TypeInfo versatilepb_type = { .name = MACHINE_TYPE_NAME("versatilepb"), .parent = TYPE_MACHINE, .class_init = versatilepb_class_init, }; static void versatileab_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); mc->desc = "ARM Versatile/AB (ARM926EJ-S)"; mc->init = vab_init; mc->block_default_type = IF_SCSI; mc->ignore_memory_transaction_failures = true; mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926"); } static const TypeInfo versatileab_type = { .name = MACHINE_TYPE_NAME("versatileab"), .parent = TYPE_MACHINE, .class_init = versatileab_class_init, }; static void versatile_machine_init(void) { type_register_static(&versatilepb_type); type_register_static(&versatileab_type); } type_init(versatile_machine_init) static void vpb_sic_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->vmsd = &vmstate_vpb_sic; } static const TypeInfo vpb_sic_info = { .name = TYPE_VERSATILE_PB_SIC, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(vpb_sic_state), .instance_init = vpb_sic_init, .class_init = vpb_sic_class_init, }; static void versatilepb_register_types(void) { type_register_static(&vpb_sic_info); } type_init(versatilepb_register_types)