|  | /* | 
|  | * ARM RealView Baseboard System emulation. | 
|  | * | 
|  | * Copyright (c) 2006-2007 CodeSourcery. | 
|  | * Written by Paul Brook | 
|  | * | 
|  | * This code is licensed under the GPL. | 
|  | */ | 
|  |  | 
|  | #include "hw/sysbus.h" | 
|  | #include "hw/arm/arm.h" | 
|  | #include "hw/arm/primecell.h" | 
|  | #include "hw/devices.h" | 
|  | #include "hw/pci/pci.h" | 
|  | #include "net/net.h" | 
|  | #include "sysemu/sysemu.h" | 
|  | #include "hw/boards.h" | 
|  | #include "hw/i2c/i2c.h" | 
|  | #include "sysemu/blockdev.h" | 
|  | #include "exec/address-spaces.h" | 
|  |  | 
|  | #define SMP_BOOT_ADDR 0xe0000000 | 
|  | #define SMP_BOOTREG_ADDR 0x10000030 | 
|  |  | 
|  | /* Board init.  */ | 
|  |  | 
|  | static struct arm_boot_info realview_binfo = { | 
|  | .smp_loader_start = SMP_BOOT_ADDR, | 
|  | .smp_bootreg_addr = SMP_BOOTREG_ADDR, | 
|  | }; | 
|  |  | 
|  | /* The following two lists must be consistent.  */ | 
|  | enum realview_board_type { | 
|  | BOARD_EB, | 
|  | BOARD_EB_MPCORE, | 
|  | BOARD_PB_A8, | 
|  | BOARD_PBX_A9, | 
|  | }; | 
|  |  | 
|  | static const int realview_board_id[] = { | 
|  | 0x33b, | 
|  | 0x33b, | 
|  | 0x769, | 
|  | 0x76d | 
|  | }; | 
|  |  | 
|  | static void realview_init(QEMUMachineInitArgs *args, | 
|  | enum realview_board_type board_type) | 
|  | { | 
|  | ARMCPU *cpu = NULL; | 
|  | CPUARMState *env; | 
|  | MemoryRegion *sysmem = get_system_memory(); | 
|  | MemoryRegion *ram_lo = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *ram_hi = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *ram_alias = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *ram_hack = g_new(MemoryRegion, 1); | 
|  | DeviceState *dev, *sysctl, *gpio2, *pl041; | 
|  | SysBusDevice *busdev; | 
|  | qemu_irq pic[64]; | 
|  | qemu_irq mmc_irq[2]; | 
|  | PCIBus *pci_bus = NULL; | 
|  | NICInfo *nd; | 
|  | i2c_bus *i2c; | 
|  | int n; | 
|  | int done_nic = 0; | 
|  | qemu_irq cpu_irq[4]; | 
|  | int is_mpcore = 0; | 
|  | int is_pb = 0; | 
|  | uint32_t proc_id = 0; | 
|  | uint32_t sys_id; | 
|  | ram_addr_t low_ram_size; | 
|  | ram_addr_t ram_size = args->ram_size; | 
|  |  | 
|  | switch (board_type) { | 
|  | case BOARD_EB: | 
|  | break; | 
|  | case BOARD_EB_MPCORE: | 
|  | is_mpcore = 1; | 
|  | break; | 
|  | case BOARD_PB_A8: | 
|  | is_pb = 1; | 
|  | break; | 
|  | case BOARD_PBX_A9: | 
|  | is_mpcore = 1; | 
|  | is_pb = 1; | 
|  | break; | 
|  | } | 
|  | for (n = 0; n < smp_cpus; n++) { | 
|  | cpu = cpu_arm_init(args->cpu_model); | 
|  | if (!cpu) { | 
|  | fprintf(stderr, "Unable to find CPU definition\n"); | 
|  | exit(1); | 
|  | } | 
|  | cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ); | 
|  | } | 
|  | env = &cpu->env; | 
|  | if (arm_feature(env, ARM_FEATURE_V7)) { | 
|  | if (is_mpcore) { | 
|  | proc_id = 0x0c000000; | 
|  | } else { | 
|  | proc_id = 0x0e000000; | 
|  | } | 
|  | } else if (arm_feature(env, ARM_FEATURE_V6K)) { | 
|  | proc_id = 0x06000000; | 
|  | } else if (arm_feature(env, ARM_FEATURE_V6)) { | 
|  | proc_id = 0x04000000; | 
|  | } else { | 
|  | proc_id = 0x02000000; | 
|  | } | 
|  |  | 
|  | if (is_pb && ram_size > 0x20000000) { | 
|  | /* Core tile RAM.  */ | 
|  | low_ram_size = ram_size - 0x20000000; | 
|  | ram_size = 0x20000000; | 
|  | memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size); | 
|  | vmstate_register_ram_global(ram_lo); | 
|  | memory_region_add_subregion(sysmem, 0x20000000, ram_lo); | 
|  | } | 
|  |  | 
|  | memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size); | 
|  | vmstate_register_ram_global(ram_hi); | 
|  | low_ram_size = ram_size; | 
|  | if (low_ram_size > 0x10000000) | 
|  | low_ram_size = 0x10000000; | 
|  | /* SDRAM at address zero.  */ | 
|  | memory_region_init_alias(ram_alias, NULL, "realview.alias", | 
|  | ram_hi, 0, low_ram_size); | 
|  | memory_region_add_subregion(sysmem, 0, ram_alias); | 
|  | if (is_pb) { | 
|  | /* And again at a high address.  */ | 
|  | memory_region_add_subregion(sysmem, 0x70000000, ram_hi); | 
|  | } else { | 
|  | ram_size = low_ram_size; | 
|  | } | 
|  |  | 
|  | sys_id = is_pb ? 0x01780500 : 0xc1400400; | 
|  | sysctl = qdev_create(NULL, "realview_sysctl"); | 
|  | qdev_prop_set_uint32(sysctl, "sys_id", sys_id); | 
|  | qdev_prop_set_uint32(sysctl, "proc_id", proc_id); | 
|  | qdev_init_nofail(sysctl); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000); | 
|  |  | 
|  | if (is_mpcore) { | 
|  | hwaddr periphbase; | 
|  | dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore"); | 
|  | qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); | 
|  | qdev_init_nofail(dev); | 
|  | busdev = SYS_BUS_DEVICE(dev); | 
|  | if (is_pb) { | 
|  | periphbase = 0x1f000000; | 
|  | } else { | 
|  | periphbase = 0x10100000; | 
|  | } | 
|  | sysbus_mmio_map(busdev, 0, periphbase); | 
|  | for (n = 0; n < smp_cpus; n++) { | 
|  | sysbus_connect_irq(busdev, n, cpu_irq[n]); | 
|  | } | 
|  | sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL); | 
|  | /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */ | 
|  | realview_binfo.gic_cpu_if_addr = periphbase + 0x100; | 
|  | } else { | 
|  | uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000; | 
|  | /* For now just create the nIRQ GIC, and ignore the others.  */ | 
|  | dev = sysbus_create_simple("realview_gic", gic_addr, cpu_irq[0]); | 
|  | } | 
|  | for (n = 0; n < 64; n++) { | 
|  | pic[n] = qdev_get_gpio_in(dev, n); | 
|  | } | 
|  |  | 
|  | pl041 = qdev_create(NULL, "pl041"); | 
|  | qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); | 
|  | qdev_init_nofail(pl041); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]); | 
|  |  | 
|  | sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]); | 
|  | sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]); | 
|  |  | 
|  | sysbus_create_simple("pl011", 0x10009000, pic[12]); | 
|  | sysbus_create_simple("pl011", 0x1000a000, pic[13]); | 
|  | sysbus_create_simple("pl011", 0x1000b000, pic[14]); | 
|  | sysbus_create_simple("pl011", 0x1000c000, pic[15]); | 
|  |  | 
|  | /* DMA controller is optional, apparently.  */ | 
|  | sysbus_create_simple("pl081", 0x10030000, pic[24]); | 
|  |  | 
|  | sysbus_create_simple("sp804", 0x10011000, pic[4]); | 
|  | sysbus_create_simple("sp804", 0x10012000, pic[5]); | 
|  |  | 
|  | sysbus_create_simple("pl061", 0x10013000, pic[6]); | 
|  | sysbus_create_simple("pl061", 0x10014000, pic[7]); | 
|  | gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]); | 
|  |  | 
|  | sysbus_create_simple("pl111", 0x10020000, pic[23]); | 
|  |  | 
|  | dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL); | 
|  | /* Wire up MMC card detect and read-only signals. These have | 
|  | * to go to both the PL061 GPIO and the sysctl register. | 
|  | * Note that the PL181 orders these lines (readonly,inserted) | 
|  | * and the PL061 has them the other way about. Also the card | 
|  | * detect line is inverted. | 
|  | */ | 
|  | mmc_irq[0] = qemu_irq_split( | 
|  | qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT), | 
|  | qdev_get_gpio_in(gpio2, 1)); | 
|  | mmc_irq[1] = qemu_irq_split( | 
|  | qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN), | 
|  | qemu_irq_invert(qdev_get_gpio_in(gpio2, 0))); | 
|  | qdev_connect_gpio_out(dev, 0, mmc_irq[0]); | 
|  | qdev_connect_gpio_out(dev, 1, mmc_irq[1]); | 
|  |  | 
|  | sysbus_create_simple("pl031", 0x10017000, pic[10]); | 
|  |  | 
|  | if (!is_pb) { | 
|  | dev = qdev_create(NULL, "realview_pci"); | 
|  | busdev = SYS_BUS_DEVICE(dev); | 
|  | qdev_init_nofail(dev); | 
|  | sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */ | 
|  | sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */ | 
|  | sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */ | 
|  | sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */ | 
|  | sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */ | 
|  | sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */ | 
|  | sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */ | 
|  | sysbus_connect_irq(busdev, 0, pic[48]); | 
|  | sysbus_connect_irq(busdev, 1, pic[49]); | 
|  | sysbus_connect_irq(busdev, 2, pic[50]); | 
|  | sysbus_connect_irq(busdev, 3, pic[51]); | 
|  | pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); | 
|  | if (usb_enabled(false)) { | 
|  | pci_create_simple(pci_bus, -1, "pci-ohci"); | 
|  | } | 
|  | n = drive_get_max_bus(IF_SCSI); | 
|  | while (n >= 0) { | 
|  | pci_create_simple(pci_bus, -1, "lsi53c895a"); | 
|  | n--; | 
|  | } | 
|  | } | 
|  | for(n = 0; n < nb_nics; n++) { | 
|  | nd = &nd_table[n]; | 
|  |  | 
|  | if (!done_nic && (!nd->model || | 
|  | strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) { | 
|  | if (is_pb) { | 
|  | lan9118_init(nd, 0x4e000000, pic[28]); | 
|  | } else { | 
|  | smc91c111_init(nd, 0x4e000000, pic[28]); | 
|  | } | 
|  | done_nic = 1; | 
|  | } else { | 
|  | if (pci_bus) { | 
|  | pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL); | 
|  | i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c"); | 
|  | i2c_create_slave(i2c, "ds1338", 0x68); | 
|  |  | 
|  | /* Memory map for RealView Emulation Baseboard:  */ | 
|  | /* 0x10000000 System registers.  */ | 
|  | /*  0x10001000 System controller.  */ | 
|  | /* 0x10002000 Two-Wire Serial Bus.  */ | 
|  | /* 0x10003000 Reserved.  */ | 
|  | /*  0x10004000 AACI.  */ | 
|  | /*  0x10005000 MCI.  */ | 
|  | /* 0x10006000 KMI0.  */ | 
|  | /* 0x10007000 KMI1.  */ | 
|  | /*  0x10008000 Character LCD. (EB) */ | 
|  | /* 0x10009000 UART0.  */ | 
|  | /* 0x1000a000 UART1.  */ | 
|  | /* 0x1000b000 UART2.  */ | 
|  | /* 0x1000c000 UART3.  */ | 
|  | /*  0x1000d000 SSPI.  */ | 
|  | /*  0x1000e000 SCI.  */ | 
|  | /* 0x1000f000 Reserved.  */ | 
|  | /*  0x10010000 Watchdog.  */ | 
|  | /* 0x10011000 Timer 0+1.  */ | 
|  | /* 0x10012000 Timer 2+3.  */ | 
|  | /*  0x10013000 GPIO 0.  */ | 
|  | /*  0x10014000 GPIO 1.  */ | 
|  | /*  0x10015000 GPIO 2.  */ | 
|  | /*  0x10002000 Two-Wire Serial Bus - DVI. (PB) */ | 
|  | /* 0x10017000 RTC.  */ | 
|  | /*  0x10018000 DMC.  */ | 
|  | /*  0x10019000 PCI controller config.  */ | 
|  | /*  0x10020000 CLCD.  */ | 
|  | /* 0x10030000 DMA Controller.  */ | 
|  | /* 0x10040000 GIC1. (EB) */ | 
|  | /*  0x10050000 GIC2. (EB) */ | 
|  | /*  0x10060000 GIC3. (EB) */ | 
|  | /*  0x10070000 GIC4. (EB) */ | 
|  | /*  0x10080000 SMC.  */ | 
|  | /* 0x1e000000 GIC1. (PB) */ | 
|  | /*  0x1e001000 GIC2. (PB) */ | 
|  | /*  0x1e002000 GIC3. (PB) */ | 
|  | /*  0x1e003000 GIC4. (PB) */ | 
|  | /*  0x40000000 NOR flash.  */ | 
|  | /*  0x44000000 DoC flash.  */ | 
|  | /*  0x48000000 SRAM.  */ | 
|  | /*  0x4c000000 Configuration flash.  */ | 
|  | /* 0x4e000000 Ethernet.  */ | 
|  | /*  0x4f000000 USB.  */ | 
|  | /*  0x50000000 PISMO.  */ | 
|  | /*  0x54000000 PISMO.  */ | 
|  | /*  0x58000000 PISMO.  */ | 
|  | /*  0x5c000000 PISMO.  */ | 
|  | /* 0x60000000 PCI.  */ | 
|  | /* 0x60000000 PCI Self Config.  */ | 
|  | /* 0x61000000 PCI Config.  */ | 
|  | /* 0x62000000 PCI IO.  */ | 
|  | /* 0x63000000 PCI mem 0.  */ | 
|  | /* 0x64000000 PCI mem 1.  */ | 
|  | /* 0x68000000 PCI mem 2.  */ | 
|  |  | 
|  | /* ??? Hack to map an additional page of ram for the secondary CPU | 
|  | startup code.  I guess this works on real hardware because the | 
|  | BootROM happens to be in ROM/flash or in memory that isn't clobbered | 
|  | until after Linux boots the secondary CPUs.  */ | 
|  | memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000); | 
|  | vmstate_register_ram_global(ram_hack); | 
|  | memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack); | 
|  |  | 
|  | realview_binfo.ram_size = ram_size; | 
|  | realview_binfo.kernel_filename = args->kernel_filename; | 
|  | realview_binfo.kernel_cmdline = args->kernel_cmdline; | 
|  | realview_binfo.initrd_filename = args->initrd_filename; | 
|  | realview_binfo.nb_cpus = smp_cpus; | 
|  | realview_binfo.board_id = realview_board_id[board_type]; | 
|  | realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0); | 
|  | arm_load_kernel(ARM_CPU(first_cpu), &realview_binfo); | 
|  | } | 
|  |  | 
|  | static void realview_eb_init(QEMUMachineInitArgs *args) | 
|  | { | 
|  | if (!args->cpu_model) { | 
|  | args->cpu_model = "arm926"; | 
|  | } | 
|  | realview_init(args, BOARD_EB); | 
|  | } | 
|  |  | 
|  | static void realview_eb_mpcore_init(QEMUMachineInitArgs *args) | 
|  | { | 
|  | if (!args->cpu_model) { | 
|  | args->cpu_model = "arm11mpcore"; | 
|  | } | 
|  | realview_init(args, BOARD_EB_MPCORE); | 
|  | } | 
|  |  | 
|  | static void realview_pb_a8_init(QEMUMachineInitArgs *args) | 
|  | { | 
|  | if (!args->cpu_model) { | 
|  | args->cpu_model = "cortex-a8"; | 
|  | } | 
|  | realview_init(args, BOARD_PB_A8); | 
|  | } | 
|  |  | 
|  | static void realview_pbx_a9_init(QEMUMachineInitArgs *args) | 
|  | { | 
|  | if (!args->cpu_model) { | 
|  | args->cpu_model = "cortex-a9"; | 
|  | } | 
|  | realview_init(args, BOARD_PBX_A9); | 
|  | } | 
|  |  | 
|  | static QEMUMachine realview_eb_machine = { | 
|  | .name = "realview-eb", | 
|  | .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)", | 
|  | .init = realview_eb_init, | 
|  | .block_default_type = IF_SCSI, | 
|  | }; | 
|  |  | 
|  | static QEMUMachine realview_eb_mpcore_machine = { | 
|  | .name = "realview-eb-mpcore", | 
|  | .desc = "ARM RealView Emulation Baseboard (ARM11MPCore)", | 
|  | .init = realview_eb_mpcore_init, | 
|  | .block_default_type = IF_SCSI, | 
|  | .max_cpus = 4, | 
|  | }; | 
|  |  | 
|  | static QEMUMachine realview_pb_a8_machine = { | 
|  | .name = "realview-pb-a8", | 
|  | .desc = "ARM RealView Platform Baseboard for Cortex-A8", | 
|  | .init = realview_pb_a8_init, | 
|  | }; | 
|  |  | 
|  | static QEMUMachine realview_pbx_a9_machine = { | 
|  | .name = "realview-pbx-a9", | 
|  | .desc = "ARM RealView Platform Baseboard Explore for Cortex-A9", | 
|  | .init = realview_pbx_a9_init, | 
|  | .block_default_type = IF_SCSI, | 
|  | .max_cpus = 4, | 
|  | }; | 
|  |  | 
|  | static void realview_machine_init(void) | 
|  | { | 
|  | qemu_register_machine(&realview_eb_machine); | 
|  | qemu_register_machine(&realview_eb_mpcore_machine); | 
|  | qemu_register_machine(&realview_pb_a8_machine); | 
|  | qemu_register_machine(&realview_pbx_a9_machine); | 
|  | } | 
|  |  | 
|  | machine_init(realview_machine_init); |