diff options
| -rw-r--r-- | hw/cirrus_vga.c | 1 | ||||
| -rw-r--r-- | hw/pci.c | 42 | ||||
| -rw-r--r-- | hw/pci.h | 29 |
3 files changed, 67 insertions, 5 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index e7d75bc2aa..d76e5bb9cf 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -181,7 +181,6 @@ #define PCI_COMMAND_PALETTESNOOPING 0x0020 #define PCI_COMMAND_PARITYDETECTION 0x0040 #define PCI_COMMAND_ADDRESSDATASTEPPING 0x0080 -#define PCI_COMMAND_SERR 0x0100 #define PCI_COMMAND_BACKTOBACKTRANS 0x0200 // PCI 0x08, 0xff000000 (0x09-0x0b:class,0x08:rev) #define PCI_CLASS_BASE_DISPLAY 0x03 @@ -445,6 +445,30 @@ static void pci_init_wmask(PCIDevice *dev) dev->wmask[i] = 0xff; } +static void pci_init_wmask_bridge(PCIDevice *d) +{ + /* PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS and + PCI_SEC_LETENCY_TIMER */ + memset(d->wmask + PCI_PRIMARY_BUS, 0xff, 4); + + /* base and limit */ + d->wmask[PCI_IO_BASE] = PCI_IO_RANGE_MASK & 0xff; + d->wmask[PCI_IO_LIMIT] = PCI_IO_RANGE_MASK & 0xff; + pci_set_word(d->wmask + PCI_MEMORY_BASE, + PCI_MEMORY_RANGE_MASK & 0xffff); + pci_set_word(d->wmask + PCI_MEMORY_LIMIT, + PCI_MEMORY_RANGE_MASK & 0xffff); + pci_set_word(d->wmask + PCI_PREF_MEMORY_BASE, + PCI_PREF_RANGE_MASK & 0xffff); + pci_set_word(d->wmask + PCI_PREF_MEMORY_LIMIT, + PCI_PREF_RANGE_MASK & 0xffff); + + /* PCI_PREF_BASE_UPPER32 and PCI_PREF_LIMIT_UPPER32 */ + memset(d->wmask + PCI_PREF_BASE_UPPER32, 0xff, 8); + + pci_set_word(d->wmask + PCI_BRIDGE_CONTROL, 0xffff); +} + static void pci_config_alloc(PCIDevice *pci_dev) { int config_size = pci_config_size(pci_dev); @@ -467,7 +491,8 @@ static void pci_config_free(PCIDevice *pci_dev) static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, const char *name, int devfn, PCIConfigReadFunc *config_read, - PCIConfigWriteFunc *config_write) + PCIConfigWriteFunc *config_write, + uint8_t header_type) { if (devfn < 0) { for(devfn = bus->devfn_min ; devfn < 256; devfn += 8) { @@ -484,9 +509,16 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, pstrcpy(pci_dev->name, sizeof(pci_dev->name), name); memset(pci_dev->irq_state, 0, sizeof(pci_dev->irq_state)); pci_config_alloc(pci_dev); - pci_set_default_subsystem_id(pci_dev); + + header_type &= ~PCI_HEADER_TYPE_MULTI_FUNCTION; + if (header_type == PCI_HEADER_TYPE_NORMAL) { + pci_set_default_subsystem_id(pci_dev); + } pci_init_cmask(pci_dev); pci_init_wmask(pci_dev); + if (header_type == PCI_HEADER_TYPE_BRIDGE) { + pci_init_wmask_bridge(pci_dev); + } if (!config_read) config_read = pci_default_read_config; @@ -509,7 +541,8 @@ PCIDevice *pci_register_device(PCIBus *bus, const char *name, pci_dev = qemu_mallocz(instance_size); pci_dev = do_pci_register_device(pci_dev, bus, name, devfn, - config_read, config_write); + config_read, config_write, + PCI_HEADER_TYPE_NORMAL); return pci_dev; } static target_phys_addr_t pci_to_cpu_addr(target_phys_addr_t addr) @@ -1059,7 +1092,8 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base) bus = FROM_QBUS(PCIBus, qdev_get_parent_bus(qdev)); devfn = pci_dev->devfn; pci_dev = do_pci_register_device(pci_dev, bus, base->name, devfn, - info->config_read, info->config_write); + info->config_read, info->config_write, + info->header_type); assert(pci_dev); rc = info->init(pci_dev); if (rc != 0) @@ -100,6 +100,14 @@ typedef struct PCIIORegion { #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */ #define PCI_COMMAND_MASTER 0x4 /* Enable bus master */ +#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */ +#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */ +#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */ +#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */ +#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */ +#define PCI_COMMAND_SERR 0x100 /* Enable SERR */ +#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */ +#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */ #define PCI_STATUS 0x06 /* 16 bits */ #define PCI_REVISION_ID 0x08 /* 8 bits */ #define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */ @@ -119,16 +127,30 @@ typedef struct PCIIORegion { #define PCI_PRIMARY_BUS 0x18 /* Primary bus number */ #define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */ #define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */ +#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */ +#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */ +#define PCI_IO_LIMIT 0x1d +#define PCI_IO_RANGE_MASK (~0x0fUL) #define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */ +#define PCI_MEMORY_BASE 0x20 /* Memory range behind */ +#define PCI_MEMORY_LIMIT 0x22 +#define PCI_MEMORY_RANGE_MASK (~0x0fUL) +#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */ +#define PCI_PREF_MEMORY_LIMIT 0x26 +#define PCI_PREF_RANGE_MASK (~0x0fUL) +#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */ #define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */ #define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */ #define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */ #define PCI_ROM_ADDRESS_ENABLE 0x01 +#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */ +#define PCI_IO_LIMIT_UPPER16 0x32 #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ #define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */ #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */ #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */ #define PCI_MIN_GNT 0x3e /* 8 bits */ +#define PCI_BRIDGE_CONTROL 0x3e #define PCI_MAX_LAT 0x3f /* 8 bits */ /* Capability lists */ @@ -358,6 +380,13 @@ typedef struct { PCIConfigReadFunc *config_read; PCIConfigWriteFunc *config_write; + /* pci config header type */ + uint8_t header_type; /* this is necessary for initialization + * code to know its header type before + * device specific code can initialize + * configuration space. + */ + /* pcie stuff */ int is_express; /* is this device pci express? * initialization code needs to know this before |