/* * 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 <assert.h> #include "hw.h" #include "pci.h" #include "pc.h" #include "mips.h" #include "pci_host.h" #include "sysemu.h" #include "exec-memory.h" //#define DEBUG_BONITO #ifdef DEBUG_BONITO #define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__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 PCIHostState 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; target_phys_addr_t bonito_pciio_start; target_phys_addr_t bonito_pciio_length; int bonito_pciio_handle; target_phys_addr_t bonito_localio_start; target_phys_addr_t bonito_localio_length; int bonito_localio_handle; } PCIBonitoState; PCIBonitoState * bonito_state; static void bonito_writel(void *opaque, target_phys_addr_t addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; uint32_t saddr; int reset = 0; saddr = (addr - BONITO_REGBASE) >> 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(); } 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, target_phys_addr_t addr, unsigned size) { PCIBonitoState *s = opaque; uint32_t saddr; saddr = (addr - BONITO_REGBASE) >> 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, target_phys_addr_t addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; DPRINTF("bonito_pciconf_writel "TARGET_FMT_plx" val %x\n", addr, val); s->dev.config_write(&s->dev, addr, val, 4); } static uint64_t bonito_pciconf_readl(void *opaque, target_phys_addr_t addr, unsigned size) { PCIBonitoState *s = opaque; DPRINTF("bonito_pciconf_readl "TARGET_FMT_plx"\n", addr); return s->dev.config_read(&s->dev, 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, target_phys_addr_t addr, unsigned size) { uint32_t val; PCIBonitoState *s = opaque; val = ((uint32_t *)(&s->bonldma))[addr/sizeof(uint32_t)]; return val; } static void bonito_ldma_writel(void *opaque, target_phys_addr_t addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; ((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, target_phys_addr_t addr, unsigned size) { uint32_t val; PCIBonitoState *s = opaque; val = ((uint32_t *)(&s->boncop))[addr/sizeof(uint32_t)]; return val; } static void bonito_cop_writel(void *opaque, target_phys_addr_t addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; ((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, target_phys_addr_t addr) { PCIBonitoState *s = opaque; 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 = ffs(idsel) - 1; funno = (cfgaddr & BONITO_PCICONF_FUN_MASK) >> BONITO_PCICONF_FUN_OFFSET; regno = (cfgaddr & BONITO_PCICONF_REG_MASK) >> BONITO_PCICONF_REG_OFFSET; if (idsel == 0) { fprintf(stderr, "error in bonito pci config address" TARGET_FMT_plx ",pcimap_cfg=%x\n", addr, s->regs[BONITO_PCIMAP_CFG]); exit(1); } pciaddr = PCI_ADDR(pci_bus_num(s->pcihost->bus), devno, funno, regno); DPRINTF("cfgaddr %x pciaddr %x busno %x devno %d funno %d regno %d\n", cfgaddr, pciaddr, pci_bus_num(s->pcihost->bus), devno, funno, regno); return pciaddr; } static void bonito_spciconf_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) { PCIBonitoState *s = opaque; uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_writeb "TARGET_FMT_plx" val %x\n", addr, val); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return; } /* set the pci address in s->config_reg */ s->pcihost->config_reg = (pciaddr) | (1u << 31); pci_data_write(s->pcihost->bus, s->pcihost->config_reg, val & 0xff, 1); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(s->dev.config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(s->dev.config + PCI_STATUS, status); } static void bonito_spciconf_writew(void *opaque, target_phys_addr_t addr, uint32_t val) { PCIBonitoState *s = opaque; uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_writew "TARGET_FMT_plx" val %x\n", addr, val); assert((addr&0x1)==0); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return; } /* set the pci address in s->config_reg */ s->pcihost->config_reg = (pciaddr) | (1u << 31); pci_data_write(s->pcihost->bus, s->pcihost->config_reg, val, 2); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(s->dev.config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(s->dev.config + PCI_STATUS, status); } static void bonito_spciconf_writel(void *opaque, target_phys_addr_t addr, uint32_t val) { PCIBonitoState *s = opaque; uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_writel "TARGET_FMT_plx" val %x\n", addr, val); assert((addr&0x3)==0); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return; } /* set the pci address in s->config_reg */ s->pcihost->config_reg = (pciaddr) | (1u << 31); pci_data_write(s->pcihost->bus, s->pcihost->config_reg, val, 4); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(s->dev.config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(s->dev.config + PCI_STATUS, status); } static uint32_t bonito_spciconf_readb(void *opaque, target_phys_addr_t addr) { PCIBonitoState *s = opaque; uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_readb "TARGET_FMT_plx"\n", addr); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return 0xff; } /* set the pci address in s->config_reg */ s->pcihost->config_reg = (pciaddr) | (1u << 31); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(s->dev.config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(s->dev.config + PCI_STATUS, status); return pci_data_read(s->pcihost->bus, s->pcihost->config_reg, 1); } static uint32_t bonito_spciconf_readw(void *opaque, target_phys_addr_t addr) { PCIBonitoState *s = opaque; uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_readw "TARGET_FMT_plx"\n", addr); assert((addr&0x1)==0); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return 0xffff; } /* set the pci address in s->config_reg */ s->pcihost->config_reg = (pciaddr) | (1u << 31); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(s->dev.config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(s->dev.config + PCI_STATUS, status); return pci_data_read(s->pcihost->bus, s->pcihost->config_reg, 2); } static uint32_t bonito_spciconf_readl(void *opaque, target_phys_addr_t addr) { PCIBonitoState *s = opaque; uint32_t pciaddr; uint16_t status; DPRINTF("bonito_spciconf_readl "TARGET_FMT_plx"\n", addr); assert((addr&0x3) == 0); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { return 0xffffffff; } /* set the pci address in s->config_reg */ s->pcihost->config_reg = (pciaddr) | (1u << 31); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(s->dev.config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(s->dev.config + PCI_STATUS, status); return pci_data_read(s->pcihost->bus, s->pcihost->config_reg, 4); } /* south bridge PCI configure space. 0x1fe8 0000 - 0x1fef ffff */ static const MemoryRegionOps bonito_spciconf_ops = { .old_mmio = { .read = { bonito_spciconf_readb, bonito_spciconf_readw, bonito_spciconf_readl, }, .write = { bonito_spciconf_writeb, bonito_spciconf_writew, bonito_spciconf_writel, }, }, .endianness = DEVICE_NATIVE_ENDIAN, }; #define BONITO_IRQ_BASE 32 static void pci_bonito_set_irq(void *opaque, int irq_num, int level) { qemu_irq *pic = opaque; 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, .minimum_version_id_old = 1, .fields = (VMStateField []) { VMSTATE_PCI_DEVICE(dev, PCIBonitoState), VMSTATE_END_OF_LIST() } }; static int bonito_pcihost_initfn(SysBusDevice *dev) { return 0; } static int bonito_initfn(PCIDevice *dev) { PCIBonitoState *s = DO_UPCAST(PCIBonitoState, dev, dev); SysBusDevice *sysbus = &s->pcihost->busdev; /* 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, &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(&s->pcihost->conf_mem, &bonito_pciconf_ops, s, "north-bridge-pci-config", BONITO_PCICONFIG_SIZE); sysbus_init_mmio(sysbus, &s->pcihost->conf_mem); sysbus_mmio_map(sysbus, 1, BONITO_PCICONFIG_BASE); /* set the south bridge pci configure mapping */ memory_region_init_io(&s->pcihost->data_mem, &bonito_spciconf_ops, s, "south-bridge-pci-config", BONITO_SPCICONFIG_SIZE); sysbus_init_mmio(sysbus, &s->pcihost->data_mem); sysbus_mmio_map(sysbus, 2, BONITO_SPCICONFIG_BASE); memory_region_init_io(&s->iomem_ldma, &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, &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 */ s->bonito_pciio_start = BONITO_PCIIO_BASE; s->bonito_pciio_length = BONITO_PCIIO_SIZE; isa_mem_base = s->bonito_pciio_start; isa_mmio_init(s->bonito_pciio_start, s->bonito_pciio_length); /* add pci local io mapping */ s->bonito_localio_start = BONITO_DEV_BASE; s->bonito_localio_length = BONITO_DEV_SIZE; isa_mmio_init(s->bonito_localio_start, s->bonito_localio_length); /* 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); return 0; } PCIBus *bonito_init(qemu_irq *pic) { DeviceState *dev; PCIBus *b; BonitoState *pcihost; PCIBonitoState *s; PCIDevice *d; dev = qdev_create(NULL, "Bonito-pcihost"); pcihost = FROM_SYSBUS(BonitoState, sysbus_from_qdev(dev)); b = pci_register_bus(&pcihost->busdev.qdev, "pci", pci_bonito_set_irq, pci_bonito_map_irq, pic, get_system_memory(), get_system_io(), 0x28, 32); pcihost->bus = b; qdev_init_nofail(dev); /* set the pcihost pointer before bonito_initfn is called */ d = pci_create(b, PCI_DEVFN(0, 0), "Bonito"); s = DO_UPCAST(PCIBonitoState, dev, d); s->pcihost = pcihost; bonito_state = s; qdev_init_nofail(&d->qdev); return b; } static void bonito_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); k->init = bonito_initfn; k->vendor_id = 0xdf53; k->device_id = 0x00d5; k->revision = 0x01; k->class_id = PCI_CLASS_BRIDGE_HOST; dc->desc = "Host bridge"; dc->no_user = 1; dc->vmsd = &vmstate_bonito; } static TypeInfo bonito_info = { .name = "Bonito", .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCIBonitoState), .class_init = bonito_class_init, }; static void bonito_pcihost_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); k->init = bonito_pcihost_initfn; dc->no_user = 1; } static TypeInfo bonito_pcihost_info = { .name = "Bonito-pcihost", .parent = TYPE_SYS_BUS_DEVICE, .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)