/* * bonito north bridge support * * Copyright (c) 2008 yajin (yajin@vm-kernel.org) * Copyright (c) 2010 Huacai Chen (zltjiangshi@gmail.com) * * This code is licensed under the GNU GPL v2. * * Contributions after 2012-01-13 are licensed under the terms of the * GNU GPL, version 2 or (at your option) any later version. */ /* * fulong 2e mini pc has a bonito north bridge. */ /* * what is the meaning of devfn in qemu and IDSEL in bonito northbridge? * * devfn pci_slot<<3 + funno * one pci bus can have 32 devices and each device can have 8 functions. * * In bonito north bridge, pci slot = IDSEL bit - 12. * For example, PCI_IDSEL_VIA686B = 17, * pci slot = 17-12=5 * * so * VT686B_FUN0's devfn = (5<<3)+0 * VT686B_FUN1's devfn = (5<<3)+1 * * qemu also uses pci address for north bridge to access pci config register. * bus_no [23:16] * dev_no [15:11] * fun_no [10:8] * reg_no [7:2] * * so function bonito_sbridge_pciaddr for the translation from * north bridge address to pci address. */ #include "qemu/osdep.h" #include "qemu/error-report.h" #include "hw/pci/pci.h" #include "hw/irq.h" #include "hw/mips/mips.h" #include "hw/pci/pci_host.h" #include "migration/vmstate.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" #include "exec/address-spaces.h" /* #define DEBUG_BONITO */ #ifdef DEBUG_BONITO #define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __func__, ##__VA_ARGS__) #else #define DPRINTF(fmt, ...) #endif /* from linux soure code. include/asm-mips/mips-boards/bonito64.h*/ #define BONITO_BOOT_BASE 0x1fc00000 #define BONITO_BOOT_SIZE 0x00100000 #define BONITO_BOOT_TOP (BONITO_BOOT_BASE + BONITO_BOOT_SIZE - 1) #define BONITO_FLASH_BASE 0x1c000000 #define BONITO_FLASH_SIZE 0x03000000 #define BONITO_FLASH_TOP (BONITO_FLASH_BASE + BONITO_FLASH_SIZE - 1) #define BONITO_SOCKET_BASE 0x1f800000 #define BONITO_SOCKET_SIZE 0x00400000 #define BONITO_SOCKET_TOP (BONITO_SOCKET_BASE + BONITO_SOCKET_SIZE - 1) #define BONITO_REG_BASE 0x1fe00000 #define BONITO_REG_SIZE 0x00040000 #define BONITO_REG_TOP (BONITO_REG_BASE + BONITO_REG_SIZE - 1) #define BONITO_DEV_BASE 0x1ff00000 #define BONITO_DEV_SIZE 0x00100000 #define BONITO_DEV_TOP (BONITO_DEV_BASE + BONITO_DEV_SIZE - 1) #define BONITO_PCILO_BASE 0x10000000 #define BONITO_PCILO_BASE_VA 0xb0000000 #define BONITO_PCILO_SIZE 0x0c000000 #define BONITO_PCILO_TOP (BONITO_PCILO_BASE + BONITO_PCILO_SIZE - 1) #define BONITO_PCILO0_BASE 0x10000000 #define BONITO_PCILO1_BASE 0x14000000 #define BONITO_PCILO2_BASE 0x18000000 #define BONITO_PCIHI_BASE 0x20000000 #define BONITO_PCIHI_SIZE 0x20000000 #define BONITO_PCIHI_TOP (BONITO_PCIHI_BASE + BONITO_PCIHI_SIZE - 1) #define BONITO_PCIIO_BASE 0x1fd00000 #define BONITO_PCIIO_BASE_VA 0xbfd00000 #define BONITO_PCIIO_SIZE 0x00010000 #define BONITO_PCIIO_TOP (BONITO_PCIIO_BASE + BONITO_PCIIO_SIZE - 1) #define BONITO_PCICFG_BASE 0x1fe80000 #define BONITO_PCICFG_SIZE 0x00080000 #define BONITO_PCICFG_TOP (BONITO_PCICFG_BASE + BONITO_PCICFG_SIZE - 1) #define BONITO_PCICONFIGBASE 0x00 #define BONITO_REGBASE 0x100 #define BONITO_PCICONFIG_BASE (BONITO_PCICONFIGBASE + BONITO_REG_BASE) #define BONITO_PCICONFIG_SIZE (0x100) #define BONITO_INTERNAL_REG_BASE (BONITO_REGBASE + BONITO_REG_BASE) #define BONITO_INTERNAL_REG_SIZE (0x70) #define BONITO_SPCICONFIG_BASE (BONITO_PCICFG_BASE) #define BONITO_SPCICONFIG_SIZE (BONITO_PCICFG_SIZE) /* 1. Bonito h/w Configuration */ /* Power on register */ #define BONITO_BONPONCFG (0x00 >> 2) /* 0x100 */ #define BONITO_BONGENCFG_OFFSET 0x4 #define BONITO_BONGENCFG (BONITO_BONGENCFG_OFFSET >> 2) /*0x104 */ /* 2. IO & IDE configuration */ #define BONITO_IODEVCFG (0x08 >> 2) /* 0x108 */ /* 3. IO & IDE configuration */ #define BONITO_SDCFG (0x0c >> 2) /* 0x10c */ /* 4. PCI address map control */ #define BONITO_PCIMAP (0x10 >> 2) /* 0x110 */ #define BONITO_PCIMEMBASECFG (0x14 >> 2) /* 0x114 */ #define BONITO_PCIMAP_CFG (0x18 >> 2) /* 0x118 */ /* 5. ICU & GPIO regs */ /* GPIO Regs - r/w */ #define BONITO_GPIODATA_OFFSET 0x1c #define BONITO_GPIODATA (BONITO_GPIODATA_OFFSET >> 2) /* 0x11c */ #define BONITO_GPIOIE (0x20 >> 2) /* 0x120 */ /* ICU Configuration Regs - r/w */ #define BONITO_INTEDGE (0x24 >> 2) /* 0x124 */ #define BONITO_INTSTEER (0x28 >> 2) /* 0x128 */ #define BONITO_INTPOL (0x2c >> 2) /* 0x12c */ /* ICU Enable Regs - IntEn & IntISR are r/o. */ #define BONITO_INTENSET (0x30 >> 2) /* 0x130 */ #define BONITO_INTENCLR (0x34 >> 2) /* 0x134 */ #define BONITO_INTEN (0x38 >> 2) /* 0x138 */ #define BONITO_INTISR (0x3c >> 2) /* 0x13c */ /* PCI mail boxes */ #define BONITO_PCIMAIL0_OFFSET 0x40 #define BONITO_PCIMAIL1_OFFSET 0x44 #define BONITO_PCIMAIL2_OFFSET 0x48 #define BONITO_PCIMAIL3_OFFSET 0x4c #define BONITO_PCIMAIL0 (0x40 >> 2) /* 0x140 */ #define BONITO_PCIMAIL1 (0x44 >> 2) /* 0x144 */ #define BONITO_PCIMAIL2 (0x48 >> 2) /* 0x148 */ #define BONITO_PCIMAIL3 (0x4c >> 2) /* 0x14c */ /* 6. PCI cache */ #define BONITO_PCICACHECTRL (0x50 >> 2) /* 0x150 */ #define BONITO_PCICACHETAG (0x54 >> 2) /* 0x154 */ #define BONITO_PCIBADADDR (0x58 >> 2) /* 0x158 */ #define BONITO_PCIMSTAT (0x5c >> 2) /* 0x15c */ /* 7. other*/ #define BONITO_TIMECFG (0x60 >> 2) /* 0x160 */ #define BONITO_CPUCFG (0x64 >> 2) /* 0x164 */ #define BONITO_DQCFG (0x68 >> 2) /* 0x168 */ #define BONITO_MEMSIZE (0x6C >> 2) /* 0x16c */ #define BONITO_REGS (0x70 >> 2) /* PCI config for south bridge. type 0 */ #define BONITO_PCICONF_IDSEL_MASK 0xfffff800 /* [31:11] */ #define BONITO_PCICONF_IDSEL_OFFSET 11 #define BONITO_PCICONF_FUN_MASK 0x700 /* [10:8] */ #define BONITO_PCICONF_FUN_OFFSET 8 #define BONITO_PCICONF_REG_MASK 0xFC #define BONITO_PCICONF_REG_OFFSET 0 /* idsel BIT = pci slot number +12 */ #define PCI_SLOT_BASE 12 #define PCI_IDSEL_VIA686B_BIT (17) #define PCI_IDSEL_VIA686B (1 << PCI_IDSEL_VIA686B_BIT) #define PCI_ADDR(busno , devno , funno , regno) \ ((((busno) << 16) & 0xff0000) + (((devno) << 11) & 0xf800) + \ (((funno) << 8) & 0x700) + (regno)) typedef struct BonitoState BonitoState; typedef struct PCIBonitoState { PCIDevice dev; BonitoState *pcihost; uint32_t regs[BONITO_REGS]; struct bonldma { uint32_t ldmactrl; uint32_t ldmastat; uint32_t ldmaaddr; uint32_t ldmago; } bonldma; /* Based at 1fe00300, bonito Copier */ struct boncop { uint32_t copctrl; uint32_t copstat; uint32_t coppaddr; uint32_t copgo; } boncop; /* Bonito registers */ MemoryRegion iomem; MemoryRegion iomem_ldma; MemoryRegion iomem_cop; MemoryRegion bonito_pciio; MemoryRegion bonito_localio; } PCIBonitoState; struct BonitoState { PCIHostState parent_obj; qemu_irq *pic; PCIBonitoState *pci_dev; MemoryRegion pci_mem; }; #define TYPE_BONITO_PCI_HOST_BRIDGE "Bonito-pcihost" #define BONITO_PCI_HOST_BRIDGE(obj) \ OBJECT_CHECK(BonitoState, (obj), TYPE_BONITO_PCI_HOST_BRIDGE) #define TYPE_PCI_BONITO "Bonito" #define PCI_BONITO(obj) \ OBJECT_CHECK(PCIBonitoState, (obj), TYPE_PCI_BONITO) static void bonito_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; uint32_t saddr; int reset = 0; saddr = addr >> 2; DPRINTF("bonito_writel "TARGET_FMT_plx" val %x saddr %x\n", addr, val, saddr); switch (saddr) { case BONITO_BONPONCFG: case BONITO_IODEVCFG: case BONITO_SDCFG: case BONITO_PCIMAP: case BONITO_PCIMEMBASECFG: case BONITO_PCIMAP_CFG: case BONITO_GPIODATA: case BONITO_GPIOIE: case BONITO_INTEDGE: case BONITO_INTSTEER: case BONITO_INTPOL: case BONITO_PCIMAIL0: case BONITO_PCIMAIL1: case BONITO_PCIMAIL2: case BONITO_PCIMAIL3: case BONITO_PCICACHECTRL: case BONITO_PCICACHETAG: case BONITO_PCIBADADDR: case BONITO_PCIMSTAT: case BONITO_TIMECFG: case BONITO_CPUCFG: case BONITO_DQCFG: case BONITO_MEMSIZE: s->regs[saddr] = val; break; case BONITO_BONGENCFG: if (!(s->regs[saddr] & 0x04) && (val & 0x04)) { reset = 1; /* bit 2 jump from 0 to 1 cause reset */ } s->regs[saddr] = val; if (reset) { qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); } break; case BONITO_INTENSET: s->regs[BONITO_INTENSET] = val; s->regs[BONITO_INTEN] |= val; break; case BONITO_INTENCLR: s->regs[BONITO_INTENCLR] = val; s->regs[BONITO_INTEN] &= ~val; break; case BONITO_INTEN: case BONITO_INTISR: DPRINTF("write to readonly bonito register %x\n", saddr); break; default: DPRINTF("write to unknown bonito register %x\n", saddr); break; } } static uint64_t bonito_readl(void *opaque, hwaddr addr, unsigned size) { PCIBonitoState *s = opaque; uint32_t saddr; saddr = addr >> 2; DPRINTF("bonito_readl "TARGET_FMT_plx"\n", addr); switch (saddr) { case BONITO_INTISR: return s->regs[saddr]; default: return s->regs[saddr]; } } static const MemoryRegionOps bonito_ops = { .read = bonito_readl, .write = bonito_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static void bonito_pciconf_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; PCIDevice *d = PCI_DEVICE(s); DPRINTF("bonito_pciconf_writel "TARGET_FMT_plx" val %x\n", addr, val); d->config_write(d, addr, val, 4); } static uint64_t bonito_pciconf_readl(void *opaque, hwaddr addr, unsigned size) { PCIBonitoState *s = opaque; PCIDevice *d = PCI_DEVICE(s); DPRINTF("bonito_pciconf_readl "TARGET_FMT_plx"\n", addr); return d->config_read(d, addr, 4); } /* north bridge PCI configure space. 0x1fe0 0000 - 0x1fe0 00ff */ static const MemoryRegionOps bonito_pciconf_ops = { .read = bonito_pciconf_readl, .write = bonito_pciconf_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static uint64_t bonito_ldma_readl(void *opaque, hwaddr addr, unsigned size) { uint32_t val; PCIBonitoState *s = opaque; if (addr >= sizeof(s->bonldma)) { return 0; } val = ((uint32_t *)(&s->bonldma))[addr / sizeof(uint32_t)]; return val; } static void bonito_ldma_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; if (addr >= sizeof(s->bonldma)) { return; } ((uint32_t *)(&s->bonldma))[addr / sizeof(uint32_t)] = val & 0xffffffff; } static const MemoryRegionOps bonito_ldma_ops = { .read = bonito_ldma_readl, .write = bonito_ldma_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static uint64_t bonito_cop_readl(void *opaque, hwaddr addr, unsigned size) { uint32_t val; PCIBonitoState *s = opaque; if (addr >= sizeof(s->boncop)) { return 0; } val = ((uint32_t *)(&s->boncop))[addr / sizeof(uint32_t)]; return val; } static void bonito_cop_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; if (addr >= sizeof(s->boncop)) { return; } ((uint32_t *)(&s->boncop))[addr / sizeof(uint32_t)] = val & 0xffffffff; } static const MemoryRegionOps bonito_cop_ops = { .read = bonito_cop_readl, .write = bonito_cop_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static uint32_t bonito_sbridge_pciaddr(void *opaque, hwaddr addr) { PCIBonitoState *s = opaque; PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); uint32_t cfgaddr; uint32_t idsel; uint32_t devno; uint32_t funno; uint32_t regno; uint32_t pciaddr; /* support type0 pci config */ if ((s->regs[BONITO_PCIMAP_CFG] & 0x10000) != 0x0) { return 0xffffffff; } cfgaddr = addr & 0xffff; cfgaddr |= (s->regs[BONITO_PCIMAP_CFG] & 0xffff) << 16; idsel = (cfgaddr & BONITO_PCICONF_IDSEL_MASK) >> BONITO_PCICONF_IDSEL_OFFSET; devno = ctz32(idsel); funno = (cfgaddr & BONITO_PCICONF_FUN_MASK) >> BONITO_PCICONF_FUN_OFFSET; regno = (cfgaddr & BONITO_PCICONF_REG_MASK) >> BONITO_PCICONF_REG_OFFSET; if (idsel == 0) { error_report("error in bonito pci config address " TARGET_FMT_plx ",pcimap_cfg=%x", addr, s->regs[BONITO_PCIMAP_CFG]); exit(1); } pciaddr = PCI_ADDR(pci_bus_num(phb->bus), devno, funno, regno); DPRINTF("cfgaddr %x pciaddr %x busno %x devno %d funno %d regno %d\n", cfgaddr, pciaddr, pci_bus_num(phb->bus), devno, funno, regno); return pciaddr; } static void bonito_spciconf_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; PCIDevice *d = PCI_DEVICE(s); PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_write "TARGET_FMT_plx" size %d val %x\n", addr, size, val); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return; } /* set the pci address in s->config_reg */ phb->config_reg = (pciaddr) | (1u << 31); pci_data_write(phb->bus, phb->config_reg, val, size); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(d->config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(d->config + PCI_STATUS, status); } static uint64_t bonito_spciconf_read(void *opaque, hwaddr addr, unsigned size) { PCIBonitoState *s = opaque; PCIDevice *d = PCI_DEVICE(s); PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_read "TARGET_FMT_plx" size %d\n", addr, size); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return MAKE_64BIT_MASK(0, size * 8); } /* set the pci address in s->config_reg */ phb->config_reg = (pciaddr) | (1u << 31); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(d->config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(d->config + PCI_STATUS, status); return pci_data_read(phb->bus, phb->config_reg, size); } /* south bridge PCI configure space. 0x1fe8 0000 - 0x1fef ffff */ static const MemoryRegionOps bonito_spciconf_ops = { .read = bonito_spciconf_read, .write = bonito_spciconf_write, .valid.min_access_size = 1, .valid.max_access_size = 4, .impl.min_access_size = 1, .impl.max_access_size = 4, .endianness = DEVICE_NATIVE_ENDIAN, }; #define BONITO_IRQ_BASE 32 static void pci_bonito_set_irq(void *opaque, int irq_num, int level) { BonitoState *s = opaque; qemu_irq *pic = s->pic; PCIBonitoState *bonito_state = s->pci_dev; int internal_irq = irq_num - BONITO_IRQ_BASE; if (bonito_state->regs[BONITO_INTEDGE] & (1 << internal_irq)) { qemu_irq_pulse(*pic); } else { /* level triggered */ if (bonito_state->regs[BONITO_INTPOL] & (1 << internal_irq)) { qemu_irq_raise(*pic); } else { qemu_irq_lower(*pic); } } } /* map the original irq (0~3) to bonito irq (16~47, but 16~31 are unused) */ static int pci_bonito_map_irq(PCIDevice *pci_dev, int irq_num) { int slot; slot = (pci_dev->devfn >> 3); switch (slot) { case 5: /* FULONG2E_VIA_SLOT, SouthBridge, IDE, USB, ACPI, AC97, MC97 */ return irq_num % 4 + BONITO_IRQ_BASE; case 6: /* FULONG2E_ATI_SLOT, VGA */ return 4 + BONITO_IRQ_BASE; case 7: /* FULONG2E_RTL_SLOT, RTL8139 */ return 5 + BONITO_IRQ_BASE; case 8 ... 12: /* PCI slot 1 to 4 */ return (slot - 8 + irq_num) + 6 + BONITO_IRQ_BASE; default: /* Unknown device, don't do any translation */ return irq_num; } } static void bonito_reset(void *opaque) { PCIBonitoState *s = opaque; /* set the default value of north bridge registers */ s->regs[BONITO_BONPONCFG] = 0xc40; s->regs[BONITO_BONGENCFG] = 0x1384; s->regs[BONITO_IODEVCFG] = 0x2bff8010; s->regs[BONITO_SDCFG] = 0x255e0091; s->regs[BONITO_GPIODATA] = 0x1ff; s->regs[BONITO_GPIOIE] = 0x1ff; s->regs[BONITO_DQCFG] = 0x8; s->regs[BONITO_MEMSIZE] = 0x10000000; s->regs[BONITO_PCIMAP] = 0x6140; } static const VMStateDescription vmstate_bonito = { .name = "Bonito", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_PCI_DEVICE(dev, PCIBonitoState), VMSTATE_END_OF_LIST() } }; static void bonito_pcihost_realize(DeviceState *dev, Error **errp) { PCIHostState *phb = PCI_HOST_BRIDGE(dev); BonitoState *bs = BONITO_PCI_HOST_BRIDGE(dev); memory_region_init(&bs->pci_mem, OBJECT(dev), "pci.mem", BONITO_PCILO_SIZE); phb->bus = pci_register_root_bus(dev, "pci", pci_bonito_set_irq, pci_bonito_map_irq, dev, &bs->pci_mem, get_system_io(), 0x28, 32, TYPE_PCI_BUS); memory_region_add_subregion(get_system_memory(), BONITO_PCILO_BASE, &bs->pci_mem); } static void bonito_realize(PCIDevice *dev, Error **errp) { PCIBonitoState *s = PCI_BONITO(dev); SysBusDevice *sysbus = SYS_BUS_DEVICE(s->pcihost); PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); /* * Bonito North Bridge, built on FPGA, * VENDOR_ID/DEVICE_ID are "undefined" */ pci_config_set_prog_interface(dev->config, 0x00); /* set the north bridge register mapping */ memory_region_init_io(&s->iomem, OBJECT(s), &bonito_ops, s, "north-bridge-register", BONITO_INTERNAL_REG_SIZE); sysbus_init_mmio(sysbus, &s->iomem); sysbus_mmio_map(sysbus, 0, BONITO_INTERNAL_REG_BASE); /* set the north bridge pci configure mapping */ memory_region_init_io(&phb->conf_mem, OBJECT(s), &bonito_pciconf_ops, s, "north-bridge-pci-config", BONITO_PCICONFIG_SIZE); sysbus_init_mmio(sysbus, &phb->conf_mem); sysbus_mmio_map(sysbus, 1, BONITO_PCICONFIG_BASE); /* set the south bridge pci configure mapping */ memory_region_init_io(&phb->data_mem, OBJECT(s), &bonito_spciconf_ops, s, "south-bridge-pci-config", BONITO_SPCICONFIG_SIZE); sysbus_init_mmio(sysbus, &phb->data_mem); sysbus_mmio_map(sysbus, 2, BONITO_SPCICONFIG_BASE); memory_region_init_io(&s->iomem_ldma, OBJECT(s), &bonito_ldma_ops, s, "ldma", 0x100); sysbus_init_mmio(sysbus, &s->iomem_ldma); sysbus_mmio_map(sysbus, 3, 0xbfe00200); memory_region_init_io(&s->iomem_cop, OBJECT(s), &bonito_cop_ops, s, "cop", 0x100); sysbus_init_mmio(sysbus, &s->iomem_cop); sysbus_mmio_map(sysbus, 4, 0xbfe00300); /* Map PCI IO Space 0x1fd0 0000 - 0x1fd1 0000 */ memory_region_init_alias(&s->bonito_pciio, OBJECT(s), "isa_mmio", get_system_io(), 0, BONITO_PCIIO_SIZE); sysbus_init_mmio(sysbus, &s->bonito_pciio); sysbus_mmio_map(sysbus, 5, BONITO_PCIIO_BASE); /* add pci local io mapping */ memory_region_init_alias(&s->bonito_localio, OBJECT(s), "isa_mmio", get_system_io(), 0, BONITO_DEV_SIZE); sysbus_init_mmio(sysbus, &s->bonito_localio); sysbus_mmio_map(sysbus, 6, BONITO_DEV_BASE); /* set the default value of north bridge pci config */ pci_set_word(dev->config + PCI_COMMAND, 0x0000); pci_set_word(dev->config + PCI_STATUS, 0x0000); pci_set_word(dev->config + PCI_SUBSYSTEM_VENDOR_ID, 0x0000); pci_set_word(dev->config + PCI_SUBSYSTEM_ID, 0x0000); pci_set_byte(dev->config + PCI_INTERRUPT_LINE, 0x00); pci_set_byte(dev->config + PCI_INTERRUPT_PIN, 0x01); pci_set_byte(dev->config + PCI_MIN_GNT, 0x3c); pci_set_byte(dev->config + PCI_MAX_LAT, 0x00); qemu_register_reset(bonito_reset, s); } PCIBus *bonito_init(qemu_irq *pic) { DeviceState *dev; BonitoState *pcihost; PCIHostState *phb; PCIBonitoState *s; PCIDevice *d; dev = qdev_create(NULL, TYPE_BONITO_PCI_HOST_BRIDGE); phb = PCI_HOST_BRIDGE(dev); pcihost = BONITO_PCI_HOST_BRIDGE(dev); pcihost->pic = pic; qdev_init_nofail(dev); d = pci_create(phb->bus, PCI_DEVFN(0, 0), TYPE_PCI_BONITO); s = PCI_BONITO(d); s->pcihost = pcihost; pcihost->pci_dev = s; qdev_init_nofail(DEVICE(d)); return phb->bus; } static void bonito_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); k->realize = bonito_realize; k->vendor_id = 0xdf53; k->device_id = 0x00d5; k->revision = 0x01; k->class_id = PCI_CLASS_BRIDGE_HOST; dc->desc = "Host bridge"; dc->vmsd = &vmstate_bonito; /* * PCI-facing part of the host bridge, not usable without the * host-facing part, which can't be device_add'ed, yet. */ dc->user_creatable = false; } static const TypeInfo bonito_info = { .name = TYPE_PCI_BONITO, .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCIBonitoState), .class_init = bonito_class_init, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, { }, }, }; static void bonito_pcihost_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = bonito_pcihost_realize; } static const TypeInfo bonito_pcihost_info = { .name = TYPE_BONITO_PCI_HOST_BRIDGE, .parent = TYPE_PCI_HOST_BRIDGE, .instance_size = sizeof(BonitoState), .class_init = bonito_pcihost_class_init, }; static void bonito_register_types(void) { type_register_static(&bonito_pcihost_info); type_register_static(&bonito_info); } type_init(bonito_register_types)