diff options
author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-06-21 16:52:24 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-06-21 16:52:24 +0000 |
commit | f2aa58c6f4a208350d05f0994e2e5422acc13c65 (patch) | |
tree | 67bd33698b12f88266ef669ddca7469982ca54e0 /hw | |
parent | 611493d96655e9d529d637421713de95939c030f (diff) | |
download | qemu-f2aa58c6f4a208350d05f0994e2e5422acc13c65.zip qemu-f2aa58c6f4a208350d05f0994e2e5422acc13c65.tar.gz qemu-f2aa58c6f4a208350d05f0994e2e5422acc13c65.tar.bz2 |
UniNorth PCI bridge support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@955 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
-rw-r--r-- | hw/pci.c | 455 |
1 files changed, 407 insertions, 48 deletions
@@ -45,7 +45,7 @@ typedef struct PCIBridge { PCIDevice **pci_bus[256]; } PCIBridge; -static PCIBridge pci_bridge; +static PCIBridge pci_bridge[3]; target_phys_addr_t pci_mem_base; static int pci_irq_index; static uint32_t pci_irq_levels[4][PCI_IRQ_WORDS]; @@ -56,7 +56,7 @@ PCIDevice *pci_register_device(const char *name, int instance_size, PCIConfigReadFunc *config_read, PCIConfigWriteFunc *config_write) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; PCIDevice *pci_dev, **bus; if (pci_irq_index >= PCI_DEVICES_MAX) @@ -70,6 +70,10 @@ PCIDevice *pci_register_device(const char *name, int instance_size, bus = s->pci_bus[bus_num]; if (devfn < 0) { for(devfn = 0 ; devfn < 256; devfn += 8) { +#ifdef TARGET_PPC + if ((devfn >> 3) < 11) + continue; +#endif if (!bus[devfn]) goto found; } @@ -425,7 +429,7 @@ static uint32_t pci_data_readl(void* opaque, uint32_t addr) void i440fx_init(void) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; PCIDevice *d; register_ioport_write(0xcf8, 4, 4, pci_addr_writel, s); @@ -604,7 +608,7 @@ static CPUReadMemoryFunc *PPC_PCIIO_read[] = { void pci_prep_init(void) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; PCIDevice *d; int PPC_io_memory; @@ -629,7 +633,9 @@ void pci_prep_init(void) /* pmac pci init */ -static void pci_pmac_config_writel (void *opaque, target_phys_addr_t addr, uint32_t val) +/* Grackle PCI host */ +static void pci_grackle_config_writel (void *opaque, target_phys_addr_t addr, + uint32_t val) { PCIBridge *s = opaque; #ifdef TARGET_WORDS_BIGENDIAN @@ -638,7 +644,7 @@ static void pci_pmac_config_writel (void *opaque, target_phys_addr_t addr, uint3 s->config_reg = val; } -static uint32_t pci_pmac_config_readl (void *opaque, target_phys_addr_t addr) +static uint32_t pci_grackle_config_readl (void *opaque, target_phys_addr_t addr) { PCIBridge *s = opaque; uint32_t val; @@ -650,25 +656,27 @@ static uint32_t pci_pmac_config_readl (void *opaque, target_phys_addr_t addr) return val; } -static CPUWriteMemoryFunc *pci_pmac_config_write[] = { - &pci_pmac_config_writel, - &pci_pmac_config_writel, - &pci_pmac_config_writel, +static CPUWriteMemoryFunc *pci_grackle_config_write[] = { + &pci_grackle_config_writel, + &pci_grackle_config_writel, + &pci_grackle_config_writel, }; -static CPUReadMemoryFunc *pci_pmac_config_read[] = { - &pci_pmac_config_readl, - &pci_pmac_config_readl, - &pci_pmac_config_readl, +static CPUReadMemoryFunc *pci_grackle_config_read[] = { + &pci_grackle_config_readl, + &pci_grackle_config_readl, + &pci_grackle_config_readl, }; -static void pci_pmac_writeb (void *opaque, target_phys_addr_t addr, uint32_t val) +static void pci_grackle_writeb (void *opaque, target_phys_addr_t addr, + uint32_t val) { PCIBridge *s = opaque; pci_data_write(s, addr, val, 1); } -static void pci_pmac_writew (void *opaque, target_phys_addr_t addr, uint32_t val) +static void pci_grackle_writew (void *opaque, target_phys_addr_t addr, + uint32_t val) { PCIBridge *s = opaque; #ifdef TARGET_WORDS_BIGENDIAN @@ -677,7 +685,8 @@ static void pci_pmac_writew (void *opaque, target_phys_addr_t addr, uint32_t val pci_data_write(s, addr, val, 2); } -static void pci_pmac_writel (void *opaque, target_phys_addr_t addr, uint32_t val) +static void pci_grackle_writel (void *opaque, target_phys_addr_t addr, + uint32_t val) { PCIBridge *s = opaque; #ifdef TARGET_WORDS_BIGENDIAN @@ -686,7 +695,7 @@ static void pci_pmac_writel (void *opaque, target_phys_addr_t addr, uint32_t val pci_data_write(s, addr, val, 4); } -static uint32_t pci_pmac_readb (void *opaque, target_phys_addr_t addr) +static uint32_t pci_grackle_readb (void *opaque, target_phys_addr_t addr) { PCIBridge *s = opaque; uint32_t val; @@ -694,7 +703,7 @@ static uint32_t pci_pmac_readb (void *opaque, target_phys_addr_t addr) return val; } -static uint32_t pci_pmac_readw (void *opaque, target_phys_addr_t addr) +static uint32_t pci_grackle_readw (void *opaque, target_phys_addr_t addr) { PCIBridge *s = opaque; uint32_t val; @@ -705,7 +714,131 @@ static uint32_t pci_pmac_readw (void *opaque, target_phys_addr_t addr) return val; } -static uint32_t pci_pmac_readl (void *opaque, target_phys_addr_t addr) +static uint32_t pci_grackle_readl (void *opaque, target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = pci_data_read(s, addr, 4); +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + return val; +} + +static CPUWriteMemoryFunc *pci_grackle_write[] = { + &pci_grackle_writeb, + &pci_grackle_writew, + &pci_grackle_writel, +}; + +static CPUReadMemoryFunc *pci_grackle_read[] = { + &pci_grackle_readb, + &pci_grackle_readw, + &pci_grackle_readl, +}; + +/* Uninorth PCI host (for all Mac99 and newer machines */ +static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; + int i; + +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + + for (i = 11; i < 32; i++) { + if ((val & (1 << i)) != 0) + break; + } +#if 0 + s->config_reg = 0x80000000 | (1 << 16) | (val & 0x7FC) | (i << 11); +#else + s->config_reg = 0x80000000 | (0 << 16) | (val & 0x7FC) | (i << 11); +#endif +} + +static uint32_t pci_unin_main_config_readl (void *opaque, + target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + int devfn; + + devfn = (s->config_reg >> 8) & 0xFF; + val = (1 << (devfn >> 3)) | ((devfn & 0x07) << 8) | (s->config_reg & 0xFC); +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + + return val; +} + +static CPUWriteMemoryFunc *pci_unin_main_config_write[] = { + &pci_unin_main_config_writel, + &pci_unin_main_config_writel, + &pci_unin_main_config_writel, +}; + +static CPUReadMemoryFunc *pci_unin_main_config_read[] = { + &pci_unin_main_config_readl, + &pci_unin_main_config_readl, + &pci_unin_main_config_readl, +}; + +static void pci_unin_main_writeb (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; + pci_data_write(s, addr & 7, val, 1); +} + +static void pci_unin_main_writew (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap16(val); +#endif + pci_data_write(s, addr & 7, val, 2); +} + +static void pci_unin_main_writel (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + pci_data_write(s, addr & 7, val, 4); +} + +static uint32_t pci_unin_main_readb (void *opaque, target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = pci_data_read(s, addr & 7, 1); + + return val; +} + +static uint32_t pci_unin_main_readw (void *opaque, target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = pci_data_read(s, addr & 7, 2); +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap16(val); +#endif + + return val; +} + +static uint32_t pci_unin_main_readl (void *opaque, target_phys_addr_t addr) { PCIBridge *s = opaque; uint32_t val; @@ -714,37 +847,246 @@ static uint32_t pci_pmac_readl (void *opaque, target_phys_addr_t addr) #ifdef TARGET_WORDS_BIGENDIAN val = bswap32(val); #endif + + return val; +} + +static CPUWriteMemoryFunc *pci_unin_main_write[] = { + &pci_unin_main_writeb, + &pci_unin_main_writew, + &pci_unin_main_writel, +}; + +static CPUReadMemoryFunc *pci_unin_main_read[] = { + &pci_unin_main_readb, + &pci_unin_main_readw, + &pci_unin_main_readl, +}; + +static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; + +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + s->config_reg = 0x80000000 | (val & ~0x00000001); +} + +static uint32_t pci_unin_config_readl (void *opaque, + target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = (s->config_reg | 0x00000001) & ~0x80000000; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + + return val; +} + +static CPUWriteMemoryFunc *pci_unin_config_write[] = { + &pci_unin_config_writel, + &pci_unin_config_writel, + &pci_unin_config_writel, +}; + +static CPUReadMemoryFunc *pci_unin_config_read[] = { + &pci_unin_config_readl, + &pci_unin_config_readl, + &pci_unin_config_readl, +}; + +static void pci_unin_writeb (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; + pci_data_write(s, addr & 3, val, 1); +} + +static void pci_unin_writew (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap16(val); +#endif + pci_data_write(s, addr & 3, val, 2); +} + +static void pci_unin_writel (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + PCIBridge *s = opaque; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + pci_data_write(s, addr & 3, val, 4); +} + +static uint32_t pci_unin_readb (void *opaque, target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = pci_data_read(s, addr & 3, 1); + + return val; +} + +static uint32_t pci_unin_readw (void *opaque, target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = pci_data_read(s, addr & 3, 2); +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap16(val); +#endif + + return val; +} + +static uint32_t pci_unin_readl (void *opaque, target_phys_addr_t addr) +{ + PCIBridge *s = opaque; + uint32_t val; + + val = pci_data_read(s, addr & 3, 4); +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + return val; } -static CPUWriteMemoryFunc *pci_pmac_write[] = { - &pci_pmac_writeb, - &pci_pmac_writew, - &pci_pmac_writel, +static CPUWriteMemoryFunc *pci_unin_write[] = { + &pci_unin_writeb, + &pci_unin_writew, + &pci_unin_writel, }; -static CPUReadMemoryFunc *pci_pmac_read[] = { - &pci_pmac_readb, - &pci_pmac_readw, - &pci_pmac_readl, +static CPUReadMemoryFunc *pci_unin_read[] = { + &pci_unin_readb, + &pci_unin_readw, + &pci_unin_readl, }; void pci_pmac_init(void) { - PCIBridge *s = &pci_bridge; + PCIBridge *s; PCIDevice *d; int pci_mem_config, pci_mem_data; - pci_mem_config = cpu_register_io_memory(0, pci_pmac_config_read, - pci_pmac_config_write, s); - pci_mem_data = cpu_register_io_memory(0, pci_pmac_read, pci_pmac_write, s); - - cpu_register_physical_memory(0xfec00000, 0x1000, pci_mem_config); - cpu_register_physical_memory(0xfee00000, 0x1000, pci_mem_data); - - d = pci_register_device("MPC106", sizeof(PCIDevice), 0, 0, + /* Use values found on a real PowerMac */ + /* Uninorth main bus */ + s = &pci_bridge[0]; + pci_mem_config = cpu_register_io_memory(0, pci_unin_main_config_read, + pci_unin_main_config_write, s); + pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read, + pci_unin_main_write, s); + cpu_register_physical_memory(0xf2800000, 0x1000, pci_mem_config); + cpu_register_physical_memory(0xf2c00000, 0x1000, pci_mem_data); + + d = pci_register_device("Uni-north main", sizeof(PCIDevice), 0, 11 << 3, NULL, NULL); + d->config[0x00] = 0x6b; // vendor_id : Apple + d->config[0x01] = 0x10; + d->config[0x02] = 0x1F; // device_id + d->config[0x03] = 0x00; + d->config[0x08] = 0x00; // revision + d->config[0x0A] = 0x00; // class_sub = pci host + d->config[0x0B] = 0x06; // class_base = PCI_bridge + d->config[0x0C] = 0x08; // cache_line_size + d->config[0x0D] = 0x10; // latency_timer + d->config[0x0E] = 0x00; // header_type + d->config[0x34] = 0x00; // capabilities_pointer + +#if 0 // XXX: not activated as PPC BIOS doesn't handle mutiple buses properly + /* pci-to-pci bridge */ + d = pci_register_device("Uni-north bridge", sizeof(PCIDevice), 0, 13 << 3, + NULL, NULL); + d->config[0x00] = 0x11; // vendor_id : TI + d->config[0x01] = 0x10; + d->config[0x02] = 0x26; // device_id + d->config[0x03] = 0x00; + d->config[0x08] = 0x05; // revision + d->config[0x0A] = 0x04; // class_sub = pci2pci + d->config[0x0B] = 0x06; // class_base = PCI_bridge + d->config[0x0C] = 0x08; // cache_line_size + d->config[0x0D] = 0x20; // latency_timer + d->config[0x0E] = 0x01; // header_type + + d->config[0x18] = 0x01; // primary_bus + d->config[0x19] = 0x02; // secondary_bus + d->config[0x1A] = 0x02; // subordinate_bus + d->config[0x1B] = 0x20; // secondary_latency_timer + d->config[0x1C] = 0x11; // io_base + d->config[0x1D] = 0x01; // io_limit + d->config[0x20] = 0x00; // memory_base + d->config[0x21] = 0x80; + d->config[0x22] = 0x00; // memory_limit + d->config[0x23] = 0x80; + d->config[0x24] = 0x01; // prefetchable_memory_base + d->config[0x25] = 0x80; + d->config[0x26] = 0xF1; // prefectchable_memory_limit + d->config[0x27] = 0x7F; + // d->config[0x34] = 0xdc // capabilities_pointer +#endif +#if 0 // XXX: not needed for now + /* Uninorth AGP bus */ + s = &pci_bridge[1]; + pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read, + pci_unin_config_write, s); + pci_mem_data = cpu_register_io_memory(0, pci_unin_read, + pci_unin_write, s); + cpu_register_physical_memory(0xf0800000, 0x1000, pci_mem_config); + cpu_register_physical_memory(0xf0c00000, 0x1000, pci_mem_data); + + d = pci_register_device("Uni-north AGP", sizeof(PCIDevice), 0, 11 << 3, + NULL, NULL); + d->config[0x00] = 0x6b; // vendor_id : Apple + d->config[0x01] = 0x10; + d->config[0x02] = 0x20; // device_id + d->config[0x03] = 0x00; + d->config[0x08] = 0x00; // revision + d->config[0x0A] = 0x00; // class_sub = pci host + d->config[0x0B] = 0x06; // class_base = PCI_bridge + d->config[0x0C] = 0x08; // cache_line_size + d->config[0x0D] = 0x10; // latency_timer + d->config[0x0E] = 0x00; // header_type + // d->config[0x34] = 0x80; // capabilities_pointer +#endif +#if 0 // XXX: not needed for now + /* Uninorth internal bus */ + s = &pci_bridge[2]; + pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read, + pci_unin_config_write, s); + pci_mem_data = cpu_register_io_memory(0, pci_unin_read, + pci_unin_write, s); + cpu_register_physical_memory(0xf4800000, 0x1000, pci_mem_config); + cpu_register_physical_memory(0xf4c00000, 0x1000, pci_mem_data); + + d = pci_register_device("Uni-north internal", sizeof(PCIDevice), + 3, 11 << 3, NULL, NULL); + d->config[0x00] = 0x6b; // vendor_id : Apple + d->config[0x01] = 0x10; + d->config[0x02] = 0x1E; // device_id + d->config[0x03] = 0x00; + d->config[0x08] = 0x00; // revision + d->config[0x0A] = 0x00; // class_sub = pci host + d->config[0x0B] = 0x06; // class_base = PCI_bridge + d->config[0x0C] = 0x08; // cache_line_size + d->config[0x0D] = 0x10; // latency_timer + d->config[0x0E] = 0x00; // header_type + d->config[0x34] = 0x00; // capabilities_pointer +#endif + +#if 0 // Grackle ? /* same values as PearPC - check this */ d->config[0x00] = 0x11; // vendor_id d->config[0x01] = 0x10; @@ -770,6 +1112,7 @@ void pci_pmac_init(void) d->config[0x25] = 0x84; d->config[0x26] = 0x00; // prefetchable_memory_limit d->config[0x27] = 0x85; +#endif } /***********************************************************/ @@ -878,7 +1221,7 @@ static void pci_info_device(PCIDevice *d) void pci_info(void) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; PCIDevice **bus; int bus_num, devfn; @@ -928,7 +1271,7 @@ static void isa_outl(uint32_t val, uint32_t addr) static void pci_config_writel(PCIDevice *d, uint32_t addr, uint32_t val) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; s->config_reg = 0x80000000 | (d->bus_num << 16) | (d->devfn << 8) | addr; pci_data_write(s, 0, val, 4); @@ -936,7 +1279,7 @@ static void pci_config_writel(PCIDevice *d, uint32_t addr, uint32_t val) static void pci_config_writew(PCIDevice *d, uint32_t addr, uint32_t val) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; s->config_reg = 0x80000000 | (d->bus_num << 16) | (d->devfn << 8) | (addr & ~3); pci_data_write(s, addr & 3, val, 2); @@ -944,7 +1287,7 @@ static void pci_config_writew(PCIDevice *d, uint32_t addr, uint32_t val) static void pci_config_writeb(PCIDevice *d, uint32_t addr, uint32_t val) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; s->config_reg = 0x80000000 | (d->bus_num << 16) | (d->devfn << 8) | (addr & ~3); pci_data_write(s, addr & 3, val, 1); @@ -952,7 +1295,7 @@ static void pci_config_writeb(PCIDevice *d, uint32_t addr, uint32_t val) static uint32_t pci_config_readl(PCIDevice *d, uint32_t addr) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; s->config_reg = 0x80000000 | (d->bus_num << 16) | (d->devfn << 8) | addr; return pci_data_read(s, 0, 4); @@ -960,7 +1303,7 @@ static uint32_t pci_config_readl(PCIDevice *d, uint32_t addr) static uint32_t pci_config_readw(PCIDevice *d, uint32_t addr) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; s->config_reg = 0x80000000 | (d->bus_num << 16) | (d->devfn << 8) | (addr & ~3); return pci_data_read(s, addr & 3, 2); @@ -968,7 +1311,7 @@ static uint32_t pci_config_readw(PCIDevice *d, uint32_t addr) static uint32_t pci_config_readb(PCIDevice *d, uint32_t addr) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; s->config_reg = 0x80000000 | (d->bus_num << 16) | (d->devfn << 8) | (addr & ~3); return pci_data_read(s, addr & 3, 1); @@ -1036,8 +1379,21 @@ static void pci_bios_init_device(PCIDevice *d) /* VGA: map frame buffer to default Bochs VBE address */ pci_set_io_region_addr(d, 0, 0xE0000000); break; + case 0x0800: + /* PIC */ + vendor_id = pci_config_readw(d, PCI_VENDOR_ID); + device_id = pci_config_readw(d, PCI_DEVICE_ID); + if (vendor_id == 0x1014) { + /* IBM */ + if (device_id == 0x0046 || device_id == 0xFFFF) { + /* MPIC & MPIC2 */ + pci_set_io_region_addr(d, 0, 0x80800000 + 0x00040000); + } + } + break; case 0xff00: - if (vendor_id == 0x0106b && device_id == 0x0017) { + if (vendor_id == 0x0106b && + (device_id == 0x0017 || device_id == 0x0022)) { /* macio bridge */ pci_set_io_region_addr(d, 0, 0x80800000); } @@ -1076,7 +1432,7 @@ static void pci_bios_init_device(PCIDevice *d) */ void pci_bios_init(void) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; PCIDevice **bus; int bus_num, devfn, i, irq; uint8_t elcr[2]; @@ -1115,10 +1471,13 @@ void pci_bios_init(void) */ void pci_ppc_bios_init(void) { - PCIBridge *s = &pci_bridge; + PCIBridge *s = &pci_bridge[0]; PCIDevice **bus; - int bus_num, devfn, i, irq; + int bus_num, devfn; +#if 0 + int i, irq; uint8_t elcr[2]; +#endif pci_bios_io_addr = 0xc000; pci_bios_mem_addr = 0xc0000000; |