diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/versatile_pci.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/versatile_pci.c Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,143 @@ +/* + * ARM Versatile/PB PCI host controller + * + * Copyright (c) 2006 CodeSourcery. + * Written by Paul Brook + * + * This code is licenced under the LGPL. + */ + +#include "hw.h" +#include "pci.h" +#include "primecell.h" + +static inline uint32_t vpb_pci_config_addr(target_phys_addr_t addr) +{ + return addr & 0xffffff; +} + +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 int pci_vpb_irq; + +static int pci_vpb_map_irq(PCIDevice *d, int irq_num) +{ + return irq_num; +} + +static void pci_vpb_set_irq(qemu_irq *pic, int irq_num, int level) +{ + qemu_set_irq(pic[pci_vpb_irq + irq_num], level); +} + +PCIBus *pci_vpb_init(qemu_irq *pic, int irq, int realview) +{ + PCIBus *s; + PCIDevice *d; + int mem_config; + uint32_t base; + const char * name; + + pci_vpb_irq = irq; + if (realview) { + base = 0x60000000; + name = "RealView EB PCI Controller"; + } else { + base = 0x40000000; + name = "Versatile/PB PCI Controller"; + } + s = pci_register_bus(pci_vpb_set_irq, pci_vpb_map_irq, pic, 11 << 3, 4); + /* ??? 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(base + 0x01000000, 0x1000000, mem_config); + /* Normal config area. */ + cpu_register_physical_memory(base + 0x02000000, 0x1000000, mem_config); + + d = pci_register_device(s, name, sizeof(PCIDevice), -1, NULL, NULL); + + if (realview) { + /* IO memory area. */ + isa_mmio_init(base + 0x03000000, 0x00100000); + } + + d->config[0x00] = 0xee; // vendor_id + d->config[0x01] = 0x10; + /* Both boards have the same device ID. Oh well. */ + 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; +}