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Add ARM PCI emulation. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1916 c046a42c-6fe2-441c-8c8c-71466251a162stable-0.10
19 changed files with 1798 additions and 1489 deletions
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/*
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* QEMU Ultrasparc APB PCI host |
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* |
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* Copyright (c) 2006 Fabrice Bellard |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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#include "vl.h" |
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typedef target_phys_addr_t pci_addr_t; |
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#include "pci_host.h" |
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typedef PCIHostState APBState; |
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static void pci_apb_config_writel (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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APBState *s = opaque; |
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int i; |
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for (i = 11; i < 32; i++) { |
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if ((val & (1 << i)) != 0) |
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break; |
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} |
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s->config_reg = (1 << 16) | (val & 0x7FC) | (i << 11); |
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} |
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static uint32_t pci_apb_config_readl (void *opaque, |
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target_phys_addr_t addr) |
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{ |
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APBState *s = opaque; |
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uint32_t val; |
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int devfn; |
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devfn = (s->config_reg >> 8) & 0xFF; |
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val = (1 << (devfn >> 3)) | ((devfn & 0x07) << 8) | (s->config_reg & 0xFC); |
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return val; |
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} |
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static CPUWriteMemoryFunc *pci_apb_config_write[] = { |
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&pci_apb_config_writel, |
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&pci_apb_config_writel, |
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&pci_apb_config_writel, |
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}; |
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static CPUReadMemoryFunc *pci_apb_config_read[] = { |
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&pci_apb_config_readl, |
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&pci_apb_config_readl, |
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&pci_apb_config_readl, |
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}; |
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static void apb_config_writel (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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//PCIBus *s = opaque;
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switch (addr & 0x3f) { |
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case 0x00: // Control/Status
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case 0x10: // AFSR
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case 0x18: // AFAR
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case 0x20: // Diagnostic
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case 0x28: // Target address space
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// XXX
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default: |
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break; |
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} |
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} |
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static uint32_t apb_config_readl (void *opaque, |
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target_phys_addr_t addr) |
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{ |
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//PCIBus *s = opaque;
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uint32_t val; |
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switch (addr & 0x3f) { |
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case 0x00: // Control/Status
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case 0x10: // AFSR
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case 0x18: // AFAR
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case 0x20: // Diagnostic
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case 0x28: // Target address space
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// XXX
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default: |
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val = 0; |
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break; |
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} |
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return val; |
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} |
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static CPUWriteMemoryFunc *apb_config_write[] = { |
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&apb_config_writel, |
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&apb_config_writel, |
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&apb_config_writel, |
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}; |
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static CPUReadMemoryFunc *apb_config_read[] = { |
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&apb_config_readl, |
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&apb_config_readl, |
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&apb_config_readl, |
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}; |
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static CPUWriteMemoryFunc *pci_apb_write[] = { |
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&pci_host_data_writeb, |
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&pci_host_data_writew, |
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&pci_host_data_writel, |
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}; |
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static CPUReadMemoryFunc *pci_apb_read[] = { |
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&pci_host_data_readb, |
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&pci_host_data_readw, |
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&pci_host_data_readl, |
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}; |
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static void pci_apb_iowriteb (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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cpu_outb(NULL, addr & 0xffff, val); |
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} |
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static void pci_apb_iowritew (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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cpu_outw(NULL, addr & 0xffff, val); |
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} |
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static void pci_apb_iowritel (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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cpu_outl(NULL, addr & 0xffff, val); |
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} |
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static uint32_t pci_apb_ioreadb (void *opaque, target_phys_addr_t addr) |
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{ |
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uint32_t val; |
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val = cpu_inb(NULL, addr & 0xffff); |
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return val; |
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} |
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static uint32_t pci_apb_ioreadw (void *opaque, target_phys_addr_t addr) |
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{ |
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uint32_t val; |
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val = cpu_inw(NULL, addr & 0xffff); |
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return val; |
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} |
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static uint32_t pci_apb_ioreadl (void *opaque, target_phys_addr_t addr) |
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{ |
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uint32_t val; |
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val = cpu_inl(NULL, addr & 0xffff); |
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return val; |
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} |
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static CPUWriteMemoryFunc *pci_apb_iowrite[] = { |
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&pci_apb_iowriteb, |
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&pci_apb_iowritew, |
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&pci_apb_iowritel, |
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}; |
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static CPUReadMemoryFunc *pci_apb_ioread[] = { |
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&pci_apb_ioreadb, |
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&pci_apb_ioreadw, |
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&pci_apb_ioreadl, |
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}; |
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/* ??? This is probably wrong. */ |
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static void pci_apb_set_irq(PCIDevice *d, void *pic, int irq_num, int level) |
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{ |
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pic_set_irq_new(pic, d->config[PCI_INTERRUPT_LINE], level); |
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} |
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PCIBus *pci_apb_init(target_ulong special_base, target_ulong mem_base, |
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void *pic) |
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{ |
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APBState *s; |
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PCIDevice *d; |
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int pci_mem_config, pci_mem_data, apb_config, pci_ioport; |
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s = qemu_mallocz(sizeof(APBState)); |
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/* Ultrasparc APB main bus */ |
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s->bus = pci_register_bus(pci_apb_set_irq, pic, 0); |
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pci_mem_config = cpu_register_io_memory(0, pci_apb_config_read, |
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pci_apb_config_write, s); |
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apb_config = cpu_register_io_memory(0, apb_config_read, |
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apb_config_write, s); |
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pci_mem_data = cpu_register_io_memory(0, pci_apb_read, |
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pci_apb_write, s); |
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pci_ioport = cpu_register_io_memory(0, pci_apb_ioread, |
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pci_apb_iowrite, s); |
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cpu_register_physical_memory(special_base + 0x2000ULL, 0x40, apb_config); |
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cpu_register_physical_memory(special_base + 0x1000000ULL, 0x10, pci_mem_config); |
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cpu_register_physical_memory(special_base + 0x2000000ULL, 0x10000, pci_ioport); |
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cpu_register_physical_memory(mem_base, 0x10000000, pci_mem_data); // XXX size should be 4G-prom
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d = pci_register_device(s->bus, "Advanced PCI Bus", sizeof(PCIDevice), |
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-1, NULL, NULL); |
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d->config[0x00] = 0x8e; // vendor_id : Sun
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d->config[0x01] = 0x10; |
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d->config[0x02] = 0x00; // device_id
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d->config[0x03] = 0xa0; |
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d->config[0x04] = 0x06; // command = bus master, pci mem
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d->config[0x05] = 0x00; |
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d->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
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d->config[0x07] = 0x03; // status = medium devsel
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d->config[0x08] = 0x00; // revision
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d->config[0x09] = 0x00; // programming i/f
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d->config[0x0A] = 0x00; // class_sub = pci host
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d->config[0x0B] = 0x06; // class_base = PCI_bridge
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d->config[0x0D] = 0x10; // latency_timer
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d->config[0x0E] = 0x00; // header_type
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return s->bus; |
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} |
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@ -0,0 +1,156 @@ |
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/*
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* QEMU Grackle (heathrow PPC) PCI host |
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* |
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* Copyright (c) 2006 Fabrice Bellard |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|||
* copies of the Software, and to permit persons to whom the Software is |
|||
* furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in |
|||
* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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|
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#include "vl.h" |
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typedef target_phys_addr_t pci_addr_t; |
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#include "pci_host.h" |
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typedef PCIHostState GrackleState; |
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static void pci_grackle_config_writel (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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GrackleState *s = opaque; |
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#ifdef TARGET_WORDS_BIGENDIAN |
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val = bswap32(val); |
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#endif |
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s->config_reg = val; |
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} |
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static uint32_t pci_grackle_config_readl (void *opaque, target_phys_addr_t addr) |
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{ |
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GrackleState *s = opaque; |
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uint32_t val; |
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val = s->config_reg; |
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#ifdef TARGET_WORDS_BIGENDIAN |
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val = bswap32(val); |
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#endif |
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return val; |
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} |
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static CPUWriteMemoryFunc *pci_grackle_config_write[] = { |
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&pci_grackle_config_writel, |
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&pci_grackle_config_writel, |
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&pci_grackle_config_writel, |
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}; |
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static CPUReadMemoryFunc *pci_grackle_config_read[] = { |
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&pci_grackle_config_readl, |
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&pci_grackle_config_readl, |
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&pci_grackle_config_readl, |
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}; |
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static CPUWriteMemoryFunc *pci_grackle_write[] = { |
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&pci_host_data_writeb, |
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&pci_host_data_writew, |
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&pci_host_data_writel, |
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}; |
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static CPUReadMemoryFunc *pci_grackle_read[] = { |
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&pci_host_data_readb, |
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&pci_host_data_readw, |
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&pci_host_data_readl, |
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}; |
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/* XXX: we do not simulate the hardware - we rely on the BIOS to
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set correctly for irq line field */ |
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static void pci_grackle_set_irq(PCIDevice *d, void *pic, int irq_num, int level) |
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{ |
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heathrow_pic_set_irq(pic, d->config[PCI_INTERRUPT_LINE], level); |
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} |
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PCIBus *pci_grackle_init(uint32_t base, void *pic) |
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{ |
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GrackleState *s; |
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PCIDevice *d; |
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int pci_mem_config, pci_mem_data; |
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s = qemu_mallocz(sizeof(GrackleState)); |
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s->bus = pci_register_bus(pci_grackle_set_irq, pic, 0); |
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pci_mem_config = cpu_register_io_memory(0, pci_grackle_config_read, |
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pci_grackle_config_write, s); |
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pci_mem_data = cpu_register_io_memory(0, pci_grackle_read, |
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pci_grackle_write, s); |
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cpu_register_physical_memory(base, 0x1000, pci_mem_config); |
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cpu_register_physical_memory(base + 0x00200000, 0x1000, pci_mem_data); |
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d = pci_register_device(s->bus, "Grackle host bridge", sizeof(PCIDevice), |
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0, NULL, NULL); |
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d->config[0x00] = 0x57; // vendor_id
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d->config[0x01] = 0x10; |
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d->config[0x02] = 0x02; // device_id
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d->config[0x03] = 0x00; |
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d->config[0x08] = 0x00; // revision
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d->config[0x09] = 0x01; |
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d->config[0x0a] = 0x00; // class_sub = host
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d->config[0x0b] = 0x06; // class_base = PCI_bridge
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d->config[0x0e] = 0x00; // header_type
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d->config[0x18] = 0x00; // primary_bus
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d->config[0x19] = 0x01; // secondary_bus
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d->config[0x1a] = 0x00; // subordinate_bus
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d->config[0x1c] = 0x00; |
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d->config[0x1d] = 0x00; |
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d->config[0x20] = 0x00; // memory_base
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d->config[0x21] = 0x00; |
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d->config[0x22] = 0x01; // memory_limit
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d->config[0x23] = 0x00; |
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d->config[0x24] = 0x00; // prefetchable_memory_base
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d->config[0x25] = 0x00; |
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d->config[0x26] = 0x00; // prefetchable_memory_limit
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d->config[0x27] = 0x00; |
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#if 0 |
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/* PCI2PCI bridge same values as PearPC - check this */ |
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d->config[0x00] = 0x11; // vendor_id
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d->config[0x01] = 0x10; |
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d->config[0x02] = 0x26; // device_id
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d->config[0x03] = 0x00; |
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d->config[0x08] = 0x02; // revision
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d->config[0x0a] = 0x04; // class_sub = pci2pci
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d->config[0x0b] = 0x06; // class_base = PCI_bridge
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d->config[0x0e] = 0x01; // header_type
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d->config[0x18] = 0x0; // primary_bus
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d->config[0x19] = 0x1; // secondary_bus
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d->config[0x1a] = 0x1; // subordinate_bus
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d->config[0x1c] = 0x10; // io_base
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d->config[0x1d] = 0x20; // io_limit
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d->config[0x20] = 0x80; // memory_base
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d->config[0x21] = 0x80; |
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d->config[0x22] = 0x90; // memory_limit
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d->config[0x23] = 0x80; |
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d->config[0x24] = 0x00; // prefetchable_memory_base
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d->config[0x25] = 0x84; |
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d->config[0x26] = 0x00; // prefetchable_memory_limit
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d->config[0x27] = 0x85; |
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#endif |
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return s->bus; |
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} |
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File diff suppressed because it is too large
@ -0,0 +1,93 @@ |
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/*
|
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* QEMU Common PCI Host bridge configuration data space access routines. |
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* |
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* Copyright (c) 2006 Fabrice Bellard |
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* |
|||
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|||
* of this software and associated documentation files (the "Software"), to deal |
|||
* in the Software without restriction, including without limitation the rights |
|||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|||
* copies of the Software, and to permit persons to whom the Software is |
|||
* furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in |
|||
* all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
|||
* THE SOFTWARE. |
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*/ |
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|
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/* Worker routines for a PCI host controller that uses an {address,data}
|
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register pair to access PCI configuration space. */ |
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typedef struct { |
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uint32_t config_reg; |
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PCIBus *bus; |
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} PCIHostState; |
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static void pci_host_data_writeb(void* opaque, pci_addr_t addr, uint32_t val) |
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{ |
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PCIHostState *s = opaque; |
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if (s->config_reg & (1u << 31)) |
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pci_data_write(s->bus, s->config_reg | (addr & 3), val, 1); |
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} |
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static void pci_host_data_writew(void* opaque, pci_addr_t addr, uint32_t val) |
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{ |
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PCIHostState *s = opaque; |
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#ifdef TARGET_WORDS_BIGENDIAN |
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val = bswap16(val); |
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#endif |
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if (s->config_reg & (1u << 31)) |
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pci_data_write(s->bus, s->config_reg | (addr & 3), val, 2); |
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} |
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static void pci_host_data_writel(void* opaque, pci_addr_t addr, uint32_t val) |
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{ |
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PCIHostState *s = opaque; |
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#ifdef TARGET_WORDS_BIGENDIAN |
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val = bswap32(val); |
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#endif |
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if (s->config_reg & (1u << 31)) |
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pci_data_write(s->bus, s->config_reg, val, 4); |
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} |
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static uint32_t pci_host_data_readb(void* opaque, pci_addr_t addr) |
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{ |
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PCIHostState *s = opaque; |
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if (!(s->config_reg & (1 << 31))) |
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return 0xff; |
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return pci_data_read(s->bus, s->config_reg | (addr & 3), 1); |
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} |
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static uint32_t pci_host_data_readw(void* opaque, pci_addr_t addr) |
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{ |
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PCIHostState *s = opaque; |
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uint32_t val; |
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if (!(s->config_reg & (1 << 31))) |
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return 0xffff; |
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val = pci_data_read(s->bus, s->config_reg | (addr & 3), 2); |
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#ifdef TARGET_WORDS_BIGENDIAN |
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val = bswap16(val); |
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#endif |
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return val; |
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} |
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|
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static uint32_t pci_host_data_readl(void* opaque, pci_addr_t addr) |
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{ |
|||
PCIHostState *s = opaque; |
|||
uint32_t val; |
|||
if (!(s->config_reg & (1 << 31))) |
|||
return 0xffffffff; |
|||
val = pci_data_read(s->bus, s->config_reg | (addr & 3), 4); |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap32(val); |
|||
#endif |
|||
return val; |
|||
} |
|||
|
|||
@ -0,0 +1,419 @@ |
|||
/*
|
|||
* QEMU i440FX/PIIX3 PCI Bridge Emulation |
|||
* |
|||
* Copyright (c) 2006 Fabrice Bellard |
|||
* |
|||
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|||
* of this software and associated documentation files (the "Software"), to deal |
|||
* in the Software without restriction, including without limitation the rights |
|||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|||
* copies of the Software, and to permit persons to whom the Software is |
|||
* furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in |
|||
* all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
|||
* THE SOFTWARE. |
|||
*/ |
|||
|
|||
#include "vl.h" |
|||
typedef uint32_t pci_addr_t; |
|||
#include "pci_host.h" |
|||
|
|||
typedef PCIHostState I440FXState; |
|||
|
|||
static void i440fx_addr_writel(void* opaque, uint32_t addr, uint32_t val) |
|||
{ |
|||
I440FXState *s = opaque; |
|||
s->config_reg = val; |
|||
} |
|||
|
|||
static uint32_t i440fx_addr_readl(void* opaque, uint32_t addr) |
|||
{ |
|||
I440FXState *s = opaque; |
|||
return s->config_reg; |
|||
} |
|||
|
|||
static void piix3_set_irq(PCIDevice *pci_dev, void *pic, int irq_num, int level); |
|||
|
|||
PCIBus *i440fx_init(void) |
|||
{ |
|||
PCIBus *b; |
|||
PCIDevice *d; |
|||
I440FXState *s; |
|||
|
|||
s = qemu_mallocz(sizeof(I440FXState)); |
|||
b = pci_register_bus(piix3_set_irq, NULL, 0); |
|||
s->bus = b; |
|||
|
|||
register_ioport_write(0xcf8, 4, 4, i440fx_addr_writel, s); |
|||
register_ioport_read(0xcf8, 4, 4, i440fx_addr_readl, s); |
|||
|
|||
register_ioport_write(0xcfc, 4, 1, pci_host_data_writeb, s); |
|||
register_ioport_write(0xcfc, 4, 2, pci_host_data_writew, s); |
|||
register_ioport_write(0xcfc, 4, 4, pci_host_data_writel, s); |
|||
register_ioport_read(0xcfc, 4, 1, pci_host_data_readb, s); |
|||
register_ioport_read(0xcfc, 4, 2, pci_host_data_readw, s); |
|||
register_ioport_read(0xcfc, 4, 4, pci_host_data_readl, s); |
|||
|
|||
d = pci_register_device(b, "i440FX", sizeof(PCIDevice), 0, |
|||
NULL, NULL); |
|||
|
|||
d->config[0x00] = 0x86; // vendor_id
|
|||
d->config[0x01] = 0x80; |
|||
d->config[0x02] = 0x37; // device_id
|
|||
d->config[0x03] = 0x12; |
|||
d->config[0x08] = 0x02; // revision
|
|||
d->config[0x0a] = 0x00; // class_sub = host2pci
|
|||
d->config[0x0b] = 0x06; // class_base = PCI_bridge
|
|||
d->config[0x0e] = 0x00; // header_type
|
|||
return b; |
|||
} |
|||
|
|||
/* PIIX3 PCI to ISA bridge */ |
|||
|
|||
static PCIDevice *piix3_dev; |
|||
|
|||
/* just used for simpler irq handling. */ |
|||
#define PCI_IRQ_WORDS ((PCI_DEVICES_MAX + 31) / 32) |
|||
|
|||
static uint32_t pci_irq_levels[4][PCI_IRQ_WORDS]; |
|||
|
|||
/* return the global irq number corresponding to a given device irq
|
|||
pin. We could also use the bus number to have a more precise |
|||
mapping. */ |
|||
static inline int pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num) |
|||
{ |
|||
int slot_addend; |
|||
slot_addend = (pci_dev->devfn >> 3) - 1; |
|||
return (irq_num + slot_addend) & 3; |
|||
} |
|||
|
|||
static inline int get_pci_irq_level(int irq_num) |
|||
{ |
|||
int pic_level; |
|||
#if (PCI_IRQ_WORDS == 2) |
|||
pic_level = ((pci_irq_levels[irq_num][0] | |
|||
pci_irq_levels[irq_num][1]) != 0); |
|||
#else |
|||
{ |
|||
int i; |
|||
pic_level = 0; |
|||
for(i = 0; i < PCI_IRQ_WORDS; i++) { |
|||
if (pci_irq_levels[irq_num][i]) { |
|||
pic_level = 1; |
|||
break; |
|||
} |
|||
} |
|||
} |
|||
#endif |
|||
return pic_level; |
|||
} |
|||
|
|||
static void piix3_set_irq(PCIDevice *pci_dev, void *pic, int irq_num, int level) |
|||
{ |
|||
int irq_index, shift, pic_irq, pic_level; |
|||
uint32_t *p; |
|||
|
|||
irq_num = pci_slot_get_pirq(pci_dev, irq_num); |
|||
irq_index = pci_dev->irq_index; |
|||
p = &pci_irq_levels[irq_num][irq_index >> 5]; |
|||
shift = (irq_index & 0x1f); |
|||
*p = (*p & ~(1 << shift)) | (level << shift); |
|||
|
|||
/* now we change the pic irq level according to the piix irq mappings */ |
|||
/* XXX: optimize */ |
|||
pic_irq = piix3_dev->config[0x60 + irq_num]; |
|||
if (pic_irq < 16) { |
|||
/* the pic level is the logical OR of all the PCI irqs mapped
|
|||
to it */ |
|||
pic_level = 0; |
|||
if (pic_irq == piix3_dev->config[0x60]) |
|||
pic_level |= get_pci_irq_level(0); |
|||
if (pic_irq == piix3_dev->config[0x61]) |
|||
pic_level |= get_pci_irq_level(1); |
|||
if (pic_irq == piix3_dev->config[0x62]) |
|||
pic_level |= get_pci_irq_level(2); |
|||
if (pic_irq == piix3_dev->config[0x63]) |
|||
pic_level |= get_pci_irq_level(3); |
|||
pic_set_irq(pic_irq, pic_level); |
|||
} |
|||
} |
|||
|
|||
static void piix3_reset(PCIDevice *d) |
|||
{ |
|||
uint8_t *pci_conf = d->config; |
|||
|
|||
pci_conf[0x04] = 0x07; // master, memory and I/O
|
|||
pci_conf[0x05] = 0x00; |
|||
pci_conf[0x06] = 0x00; |
|||
pci_conf[0x07] = 0x02; // PCI_status_devsel_medium
|
|||
pci_conf[0x4c] = 0x4d; |
|||
pci_conf[0x4e] = 0x03; |
|||
pci_conf[0x4f] = 0x00; |
|||
pci_conf[0x60] = 0x80; |
|||
pci_conf[0x69] = 0x02; |
|||
pci_conf[0x70] = 0x80; |
|||
pci_conf[0x76] = 0x0c; |
|||
pci_conf[0x77] = 0x0c; |
|||
pci_conf[0x78] = 0x02; |
|||
pci_conf[0x79] = 0x00; |
|||
pci_conf[0x80] = 0x00; |
|||
pci_conf[0x82] = 0x00; |
|||
pci_conf[0xa0] = 0x08; |
|||
pci_conf[0xa0] = 0x08; |
|||
pci_conf[0xa2] = 0x00; |
|||
pci_conf[0xa3] = 0x00; |
|||
pci_conf[0xa4] = 0x00; |
|||
pci_conf[0xa5] = 0x00; |
|||
pci_conf[0xa6] = 0x00; |
|||
pci_conf[0xa7] = 0x00; |
|||
pci_conf[0xa8] = 0x0f; |
|||
pci_conf[0xaa] = 0x00; |
|||
pci_conf[0xab] = 0x00; |
|||
pci_conf[0xac] = 0x00; |
|||
pci_conf[0xae] = 0x00; |
|||
} |
|||
|
|||
int piix3_init(PCIBus *bus) |
|||
{ |
|||
PCIDevice *d; |
|||
uint8_t *pci_conf; |
|||
|
|||
d = pci_register_device(bus, "PIIX3", sizeof(PCIDevice), |
|||
-1, NULL, NULL); |
|||
register_savevm("PIIX3", 0, 1, generic_pci_save, generic_pci_load, d); |
|||
|
|||
piix3_dev = d; |
|||
pci_conf = d->config; |
|||
|
|||
pci_conf[0x00] = 0x86; // Intel
|
|||
pci_conf[0x01] = 0x80; |
|||
pci_conf[0x02] = 0x00; // 82371SB PIIX3 PCI-to-ISA bridge (Step A1)
|
|||
pci_conf[0x03] = 0x70; |
|||
pci_conf[0x0a] = 0x01; // class_sub = PCI_ISA
|
|||
pci_conf[0x0b] = 0x06; // class_base = PCI_bridge
|
|||
pci_conf[0x0e] = 0x80; // header_type = PCI_multifunction, generic
|
|||
|
|||
piix3_reset(d); |
|||
return d->devfn; |
|||
} |
|||
|
|||
/***********************************************************/ |
|||
/* XXX: the following should be moved to the PC BIOS */ |
|||
|
|||
static __attribute__((unused)) uint32_t isa_inb(uint32_t addr) |
|||
{ |
|||
return cpu_inb(NULL, addr); |
|||
} |
|||
|
|||
static void isa_outb(uint32_t val, uint32_t addr) |
|||
{ |
|||
cpu_outb(NULL, addr, val); |
|||
} |
|||
|
|||
static __attribute__((unused)) uint32_t isa_inw(uint32_t addr) |
|||
{ |
|||
return cpu_inw(NULL, addr); |
|||
} |
|||
|
|||
static __attribute__((unused)) void isa_outw(uint32_t val, uint32_t addr) |
|||
{ |
|||
cpu_outw(NULL, addr, val); |
|||
} |
|||
|
|||
static __attribute__((unused)) uint32_t isa_inl(uint32_t addr) |
|||
{ |
|||
return cpu_inl(NULL, addr); |
|||
} |
|||
|
|||
static __attribute__((unused)) void isa_outl(uint32_t val, uint32_t addr) |
|||
{ |
|||
cpu_outl(NULL, addr, val); |
|||
} |
|||
|
|||
static uint32_t pci_bios_io_addr; |
|||
static uint32_t pci_bios_mem_addr; |
|||
/* host irqs corresponding to PCI irqs A-D */ |
|||
static uint8_t pci_irqs[4] = { 11, 9, 11, 9 }; |
|||
|
|||
static void pci_config_writel(PCIDevice *d, uint32_t addr, uint32_t val) |
|||
{ |
|||
PCIBus *s = d->bus; |
|||
addr |= (pci_bus_num(s) << 16) | (d->devfn << 8); |
|||
pci_data_write(s, addr, val, 4); |
|||
} |
|||
|
|||
static void pci_config_writew(PCIDevice *d, uint32_t addr, uint32_t val) |
|||
{ |
|||
PCIBus *s = d->bus; |
|||
addr |= (pci_bus_num(s) << 16) | (d->devfn << 8); |
|||
pci_data_write(s, addr, val, 2); |
|||
} |
|||
|
|||
static void pci_config_writeb(PCIDevice *d, uint32_t addr, uint32_t val) |
|||
{ |
|||
PCIBus *s = d->bus; |
|||
addr |= (pci_bus_num(s) << 16) | (d->devfn << 8); |
|||
pci_data_write(s, addr, val, 1); |
|||
} |
|||
|
|||
static __attribute__((unused)) uint32_t pci_config_readl(PCIDevice *d, uint32_t addr) |
|||
{ |
|||
PCIBus *s = d->bus; |
|||
addr |= (pci_bus_num(s) << 16) | (d->devfn << 8); |
|||
return pci_data_read(s, addr, 4); |
|||
} |
|||
|
|||
static uint32_t pci_config_readw(PCIDevice *d, uint32_t addr) |
|||
{ |
|||
PCIBus *s = d->bus; |
|||
addr |= (pci_bus_num(s) << 16) | (d->devfn << 8); |
|||
return pci_data_read(s, addr, 2); |
|||
} |
|||
|
|||
static uint32_t pci_config_readb(PCIDevice *d, uint32_t addr) |
|||
{ |
|||
PCIBus *s = d->bus; |
|||
addr |= (pci_bus_num(s) << 16) | (d->devfn << 8); |
|||
return pci_data_read(s, addr, 1); |
|||
} |
|||
|
|||
static void pci_set_io_region_addr(PCIDevice *d, int region_num, uint32_t addr) |
|||
{ |
|||
PCIIORegion *r; |
|||
uint16_t cmd; |
|||
uint32_t ofs; |
|||
|
|||
if ( region_num == PCI_ROM_SLOT ) { |
|||
ofs = 0x30; |
|||
}else{ |
|||
ofs = 0x10 + region_num * 4; |
|||
} |
|||
|
|||
pci_config_writel(d, ofs, addr); |
|||
r = &d->io_regions[region_num]; |
|||
|
|||
/* enable memory mappings */ |
|||
cmd = pci_config_readw(d, PCI_COMMAND); |
|||
if ( region_num == PCI_ROM_SLOT ) |
|||
cmd |= 2; |
|||
else if (r->type & PCI_ADDRESS_SPACE_IO) |
|||
cmd |= 1; |
|||
else |
|||
cmd |= 2; |
|||
pci_config_writew(d, PCI_COMMAND, cmd); |
|||
} |
|||
|
|||
static void pci_bios_init_device(PCIDevice *d) |
|||
{ |
|||
int class; |
|||
PCIIORegion *r; |
|||
uint32_t *paddr; |
|||
int i, pin, pic_irq, vendor_id, device_id; |
|||
|
|||
class = pci_config_readw(d, PCI_CLASS_DEVICE); |
|||
vendor_id = pci_config_readw(d, PCI_VENDOR_ID); |
|||
device_id = pci_config_readw(d, PCI_DEVICE_ID); |
|||
switch(class) { |
|||
case 0x0101: |
|||
if (vendor_id == 0x8086 && device_id == 0x7010) { |
|||
/* PIIX3 IDE */ |
|||
pci_config_writew(d, 0x40, 0x8000); // enable IDE0
|
|||
pci_config_writew(d, 0x42, 0x8000); // enable IDE1
|
|||
goto default_map; |
|||
} else { |
|||
/* IDE: we map it as in ISA mode */ |
|||
pci_set_io_region_addr(d, 0, 0x1f0); |
|||
pci_set_io_region_addr(d, 1, 0x3f4); |
|||
pci_set_io_region_addr(d, 2, 0x170); |
|||
pci_set_io_region_addr(d, 3, 0x374); |
|||
} |
|||
break; |
|||
case 0x0300: |
|||
if (vendor_id != 0x1234) |
|||
goto default_map; |
|||
/* 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 || device_id == 0x0022)) { |
|||
/* macio bridge */ |
|||
pci_set_io_region_addr(d, 0, 0x80800000); |
|||
} |
|||
break; |
|||
default: |
|||
default_map: |
|||
/* default memory mappings */ |
|||
for(i = 0; i < PCI_NUM_REGIONS; i++) { |
|||
r = &d->io_regions[i]; |
|||
if (r->size) { |
|||
if (r->type & PCI_ADDRESS_SPACE_IO) |
|||
paddr = &pci_bios_io_addr; |
|||
else |
|||
paddr = &pci_bios_mem_addr; |
|||
*paddr = (*paddr + r->size - 1) & ~(r->size - 1); |
|||
pci_set_io_region_addr(d, i, *paddr); |
|||
*paddr += r->size; |
|||
} |
|||
} |
|||
break; |
|||
} |
|||
|
|||
/* map the interrupt */ |
|||
pin = pci_config_readb(d, PCI_INTERRUPT_PIN); |
|||
if (pin != 0) { |
|||
pin = pci_slot_get_pirq(d, pin - 1); |
|||
pic_irq = pci_irqs[pin]; |
|||
pci_config_writeb(d, PCI_INTERRUPT_LINE, pic_irq); |
|||
} |
|||
} |
|||
|
|||
/*
|
|||
* This function initializes the PCI devices as a normal PCI BIOS |
|||
* would do. It is provided just in case the BIOS has no support for |
|||
* PCI. |
|||
*/ |
|||
void pci_bios_init(void) |
|||
{ |
|||
int i, irq; |
|||
uint8_t elcr[2]; |
|||
|
|||
pci_bios_io_addr = 0xc000; |
|||
pci_bios_mem_addr = 0xf0000000; |
|||
|
|||
/* activate IRQ mappings */ |
|||
elcr[0] = 0x00; |
|||
elcr[1] = 0x00; |
|||
for(i = 0; i < 4; i++) { |
|||
irq = pci_irqs[i]; |
|||
/* set to trigger level */ |
|||
elcr[irq >> 3] |= (1 << (irq & 7)); |
|||
/* activate irq remapping in PIIX */ |
|||
pci_config_writeb(piix3_dev, 0x60 + i, irq); |
|||
} |
|||
isa_outb(elcr[0], 0x4d0); |
|||
isa_outb(elcr[1], 0x4d1); |
|||
|
|||
pci_for_each_device(pci_bios_init_device); |
|||
} |
|||
|
|||
@ -0,0 +1,167 @@ |
|||
/*
|
|||
* QEMU PREP PCI host |
|||
* |
|||
* Copyright (c) 2006 Fabrice Bellard |
|||
* |
|||
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|||
* of this software and associated documentation files (the "Software"), to deal |
|||
* in the Software without restriction, including without limitation the rights |
|||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|||
* copies of the Software, and to permit persons to whom the Software is |
|||
* furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in |
|||
* all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
|||
* THE SOFTWARE. |
|||
*/ |
|||
|
|||
#include "vl.h" |
|||
typedef uint32_t pci_addr_t; |
|||
#include "pci_host.h" |
|||
|
|||
typedef PCIHostState PREPPCIState; |
|||
|
|||
static void pci_prep_addr_writel(void* opaque, uint32_t addr, uint32_t val) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
s->config_reg = val; |
|||
} |
|||
|
|||
static uint32_t pci_prep_addr_readl(void* opaque, uint32_t addr) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
return s->config_reg; |
|||
} |
|||
|
|||
static inline uint32_t PPC_PCIIO_config(target_phys_addr_t addr) |
|||
{ |
|||
int i; |
|||
|
|||
for(i = 0; i < 11; i++) { |
|||
if ((addr & (1 << (11 + i))) != 0) |
|||
break; |
|||
} |
|||
return (addr & 0x7ff) | (i << 11); |
|||
} |
|||
|
|||
static void PPC_PCIIO_writeb (void *opaque, target_phys_addr_t addr, uint32_t val) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 1); |
|||
} |
|||
|
|||
static void PPC_PCIIO_writew (void *opaque, target_phys_addr_t addr, uint32_t val) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap16(val); |
|||
#endif |
|||
pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 2); |
|||
} |
|||
|
|||
static void PPC_PCIIO_writel (void *opaque, target_phys_addr_t addr, uint32_t val) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap32(val); |
|||
#endif |
|||
pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 4); |
|||
} |
|||
|
|||
static uint32_t PPC_PCIIO_readb (void *opaque, target_phys_addr_t addr) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
uint32_t val; |
|||
val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 1); |
|||
return val; |
|||
} |
|||
|
|||
static uint32_t PPC_PCIIO_readw (void *opaque, target_phys_addr_t addr) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
uint32_t val; |
|||
val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 2); |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap16(val); |
|||
#endif |
|||
return val; |
|||
} |
|||
|
|||
static uint32_t PPC_PCIIO_readl (void *opaque, target_phys_addr_t addr) |
|||
{ |
|||
PREPPCIState *s = opaque; |
|||
uint32_t val; |
|||
val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 4); |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap32(val); |
|||
#endif |
|||
return val; |
|||
} |
|||
|
|||
static CPUWriteMemoryFunc *PPC_PCIIO_write[] = { |
|||
&PPC_PCIIO_writeb, |
|||
&PPC_PCIIO_writew, |
|||
&PPC_PCIIO_writel, |
|||
}; |
|||
|
|||
static CPUReadMemoryFunc *PPC_PCIIO_read[] = { |
|||
&PPC_PCIIO_readb, |
|||
&PPC_PCIIO_readw, |
|||
&PPC_PCIIO_readl, |
|||
}; |
|||
|
|||
static void prep_set_irq(PCIDevice *d, void *pic, int irq_num, int level) |
|||
{ |
|||
/* XXX: we do not simulate the hardware - we rely on the BIOS to
|
|||
set correctly for irq line field */ |
|||
pic_set_irq(d->config[PCI_INTERRUPT_LINE], level); |
|||
} |
|||
|
|||
PCIBus *pci_prep_init(void) |
|||
{ |
|||
PREPPCIState *s; |
|||
PCIDevice *d; |
|||
int PPC_io_memory; |
|||
|
|||
s = qemu_mallocz(sizeof(PREPPCIState)); |
|||
s->bus = pci_register_bus(prep_set_irq, NULL, 0); |
|||
|
|||
register_ioport_write(0xcf8, 4, 4, pci_prep_addr_writel, s); |
|||
register_ioport_read(0xcf8, 4, 4, pci_prep_addr_readl, s); |
|||
|
|||
register_ioport_write(0xcfc, 4, 1, pci_host_data_writeb, s); |
|||
register_ioport_write(0xcfc, 4, 2, pci_host_data_writew, s); |
|||
register_ioport_write(0xcfc, 4, 4, pci_host_data_writel, s); |
|||
register_ioport_read(0xcfc, 4, 1, pci_host_data_readb, s); |
|||
register_ioport_read(0xcfc, 4, 2, pci_host_data_readw, s); |
|||
register_ioport_read(0xcfc, 4, 4, pci_host_data_readl, s); |
|||
|
|||
PPC_io_memory = cpu_register_io_memory(0, PPC_PCIIO_read, |
|||
PPC_PCIIO_write, s); |
|||
cpu_register_physical_memory(0x80800000, 0x00400000, PPC_io_memory); |
|||
|
|||
/* PCI host bridge */ |
|||
d = pci_register_device(s->bus, "PREP Host Bridge - Motorola Raven", |
|||
sizeof(PCIDevice), 0, NULL, NULL); |
|||
d->config[0x00] = 0x57; // vendor_id : Motorola
|
|||
d->config[0x01] = 0x10; |
|||
d->config[0x02] = 0x01; // device_id : Raven
|
|||
d->config[0x03] = 0x48; |
|||
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
|
|||
|
|||
return s->bus; |
|||
} |
|||
|
|||
@ -0,0 +1,261 @@ |
|||
/*
|
|||
* QEMU Uninorth PCI host (for all Mac99 and newer machines) |
|||
* |
|||
* Copyright (c) 2006 Fabrice Bellard |
|||
* |
|||
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|||
* of this software and associated documentation files (the "Software"), to deal |
|||
* in the Software without restriction, including without limitation the rights |
|||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|||
* copies of the Software, and to permit persons to whom the Software is |
|||
* furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in |
|||
* all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
|||
* THE SOFTWARE. |
|||
*/ |
|||
#include "vl.h" |
|||
typedef target_phys_addr_t pci_addr_t; |
|||
#include "pci_host.h" |
|||
|
|||
typedef PCIHostState UNINState; |
|||
|
|||
static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr, |
|||
uint32_t val) |
|||
{ |
|||
UNINState *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) |
|||
{ |
|||
UNINState *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 CPUWriteMemoryFunc *pci_unin_main_write[] = { |
|||
&pci_host_data_writeb, |
|||
&pci_host_data_writew, |
|||
&pci_host_data_writel, |
|||
}; |
|||
|
|||
static CPUReadMemoryFunc *pci_unin_main_read[] = { |
|||
&pci_host_data_readb, |
|||
&pci_host_data_readw, |
|||
&pci_host_data_readl, |
|||
}; |
|||
|
|||
#if 0 |
|||
|
|||
static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr, |
|||
uint32_t val) |
|||
{ |
|||
UNINState *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) |
|||
{ |
|||
UNINState *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 CPUWriteMemoryFunc *pci_unin_write[] = { |
|||
&pci_host_pci_writeb, |
|||
&pci_host_pci_writew, |
|||
&pci_host_pci_writel, |
|||
}; |
|||
|
|||
static CPUReadMemoryFunc *pci_unin_read[] = { |
|||
&pci_host_pci_readb, |
|||
&pci_host_pci_readw, |
|||
&pci_host_pci_readl, |
|||
}; |
|||
#endif |
|||
|
|||
static void pci_unin_set_irq(PCIDevice *d, void *pic, int irq_num, int level) |
|||
{ |
|||
openpic_set_irq(pic, d->config[PCI_INTERRUPT_LINE], level); |
|||
} |
|||
|
|||
PCIBus *pci_pmac_init(void *pic) |
|||
{ |
|||
UNINState *s; |
|||
PCIDevice *d; |
|||
int pci_mem_config, pci_mem_data; |
|||
|
|||
/* Use values found on a real PowerMac */ |
|||
/* Uninorth main bus */ |
|||
s = qemu_mallocz(sizeof(UNINState)); |
|||
s->bus = pci_register_bus(pci_unin_set_irq, NULL, 11 << 3); |
|||
|
|||
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(s->bus, "Uni-north main", sizeof(PCIDevice), |
|||
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 |
|||
return s->bus; |
|||
} |
|||
|
|||
@ -0,0 +1,119 @@ |
|||
/*
|
|||
* ARM Versatile/PB PCI host controller |
|||
* |
|||
* Copyright (c) 2006 CodeSourcery. |
|||
* Written by Paul Brook |
|||
* |
|||
* This code is licenced under the LGPL. |
|||
*/ |
|||
|
|||
#include "vl.h" |
|||
|
|||
static inline uint32_t vpb_pci_config_addr(target_phys_addr_t addr) |
|||
{ |
|||
return addr & 0xf8ff; |
|||
} |
|||
|
|||
static void pci_vpb_config_writeb (void *opaque, target_phys_addr_t addr, |
|||
uint32_t val) |
|||
{ |
|||
pci_data_write(opaque, vpb_pci_config_addr (addr), val, 1); |
|||
} |
|||
|
|||
static void pci_vpb_config_writew (void *opaque, target_phys_addr_t addr, |
|||
uint32_t val) |
|||
{ |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap16(val); |
|||
#endif |
|||
pci_data_write(opaque, vpb_pci_config_addr (addr), val, 2); |
|||
} |
|||
|
|||
static void pci_vpb_config_writel (void *opaque, target_phys_addr_t addr, |
|||
uint32_t val) |
|||
{ |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap32(val); |
|||
#endif |
|||
pci_data_write(opaque, vpb_pci_config_addr (addr), val, 4); |
|||
} |
|||
|
|||
static uint32_t pci_vpb_config_readb (void *opaque, target_phys_addr_t addr) |
|||
{ |
|||
uint32_t val; |
|||
val = pci_data_read(opaque, vpb_pci_config_addr (addr), 1); |
|||
return val; |
|||
} |
|||
|
|||
static uint32_t pci_vpb_config_readw (void *opaque, target_phys_addr_t addr) |
|||
{ |
|||
uint32_t val; |
|||
val = pci_data_read(opaque, vpb_pci_config_addr (addr), 2); |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap16(val); |
|||
#endif |
|||
return val; |
|||
} |
|||
|
|||
static uint32_t pci_vpb_config_readl (void *opaque, target_phys_addr_t addr) |
|||
{ |
|||
uint32_t val; |
|||
val = pci_data_read(opaque, vpb_pci_config_addr (addr), 4); |
|||
#ifdef TARGET_WORDS_BIGENDIAN |
|||
val = bswap32(val); |
|||
#endif |
|||
return val; |
|||
} |
|||
|
|||
static CPUWriteMemoryFunc *pci_vpb_config_write[] = { |
|||
&pci_vpb_config_writeb, |
|||
&pci_vpb_config_writew, |
|||
&pci_vpb_config_writel, |
|||
}; |
|||
|
|||
static CPUReadMemoryFunc *pci_vpb_config_read[] = { |
|||
&pci_vpb_config_readb, |
|||
&pci_vpb_config_readw, |
|||
&pci_vpb_config_readl, |
|||
}; |
|||
|
|||
static void pci_vpb_set_irq(PCIDevice *d, void *pic, int irq_num, int level) |
|||
{ |
|||
pic_set_irq_new(pic, 27 + irq_num, level); |
|||
} |
|||
|
|||
PCIBus *pci_vpb_init(void *pic) |
|||
{ |
|||
PCIBus *s; |
|||
PCIDevice *d; |
|||
int mem_config; |
|||
|
|||
s = pci_register_bus(pci_vpb_set_irq, pic, 11 << 3); |
|||
/* ??? Register memory space. */ |
|||
|
|||
mem_config = cpu_register_io_memory(0, pci_vpb_config_read, |
|||
pci_vpb_config_write, s); |
|||
/* Selfconfig area. */ |
|||
cpu_register_physical_memory(0x41000000, 0x10000, mem_config); |
|||
/* Normal config area. */ |
|||
cpu_register_physical_memory(0x42000000, 0x10000, mem_config); |
|||
|
|||
d = pci_register_device(s, "Versatile/PB PCI Controller", |
|||
sizeof(PCIDevice), -1, NULL, NULL); |
|||
d->config[0x00] = 0xee; // vendor_id
|
|||
d->config[0x01] = 0x10; |
|||
d->config[0x02] = 0x00; // device_id
|
|||
d->config[0x03] = 0x03; |
|||
d->config[0x04] = 0x00; |
|||
d->config[0x05] = 0x00; |
|||
d->config[0x06] = 0x20; |
|||
d->config[0x07] = 0x02; |
|||
d->config[0x08] = 0x00; // revision
|
|||
d->config[0x09] = 0x00; // programming i/f
|
|||
d->config[0x0A] = 0x40; // class_sub = pci host
|
|||
d->config[0x0B] = 0x0b; // class_base = PCI_bridge
|
|||
d->config[0x0D] = 0x10; // latency_timer
|
|||
|
|||
return s; |
|||
} |
|||
|
|||
Loading…
Reference in new issue