diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/arm/realview.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/arm/realview.c')
-rw-r--r-- | qemu/hw/arm/realview.c | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/qemu/hw/arm/realview.c b/qemu/hw/arm/realview.c new file mode 100644 index 000000000..ef2788d3e --- /dev/null +++ b/qemu/hw/arm/realview.c @@ -0,0 +1,439 @@ +/* + * 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/block-backend.h" +#include "exec/address-spaces.h" +#include "qemu/error-report.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(MachineState *machine, + enum realview_board_type board_type) +{ + ARMCPU *cpu = NULL; + CPUARMState *env; + ObjectClass *cpu_oc; + MemoryRegion *sysmem = get_system_memory(); + MemoryRegion *ram_lo; + 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; + I2CBus *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 = machine->ram_size; + hwaddr periphbase = 0; + + switch (board_type) { + case BOARD_EB: + break; + case BOARD_EB_MPCORE: + is_mpcore = 1; + periphbase = 0x10100000; + break; + case BOARD_PB_A8: + is_pb = 1; + break; + case BOARD_PBX_A9: + is_mpcore = 1; + is_pb = 1; + periphbase = 0x1f000000; + break; + } + + cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, machine->cpu_model); + if (!cpu_oc) { + fprintf(stderr, "Unable to find CPU definition\n"); + exit(1); + } + + for (n = 0; n < smp_cpus; n++) { + Object *cpuobj = object_new(object_class_get_name(cpu_oc)); + Error *err = NULL; + + /* By default A9,A15 and ARM1176 CPUs have EL3 enabled. This board + * does not currently support EL3 so the CPU EL3 property is disabled + * before realization. + */ + if (object_property_find(cpuobj, "has_el3", NULL)) { + object_property_set_bool(cpuobj, false, "has_el3", &err); + if (err) { + error_report_err(err); + exit(1); + } + } + + if (is_pb && is_mpcore) { + object_property_set_int(cpuobj, periphbase, "reset-cbar", &err); + if (err) { + error_report_err(err); + exit(1); + } + } + + object_property_set_bool(cpuobj, true, "realized", &err); + if (err) { + error_report_err(err); + exit(1); + } + + cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ); + } + cpu = ARM_CPU(first_cpu); + 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. */ + ram_lo = g_new(MemoryRegion, 1); + low_ram_size = ram_size - 0x20000000; + ram_size = 0x20000000; + memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size, + &error_abort); + 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, + &error_abort); + 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) { + 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); + 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()) { + 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 = (I2CBus *)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, + &error_abort); + 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 = machine->kernel_filename; + realview_binfo.kernel_cmdline = machine->kernel_cmdline; + realview_binfo.initrd_filename = machine->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(MachineState *machine) +{ + if (!machine->cpu_model) { + machine->cpu_model = "arm926"; + } + realview_init(machine, BOARD_EB); +} + +static void realview_eb_mpcore_init(MachineState *machine) +{ + if (!machine->cpu_model) { + machine->cpu_model = "arm11mpcore"; + } + realview_init(machine, BOARD_EB_MPCORE); +} + +static void realview_pb_a8_init(MachineState *machine) +{ + if (!machine->cpu_model) { + machine->cpu_model = "cortex-a8"; + } + realview_init(machine, BOARD_PB_A8); +} + +static void realview_pbx_a9_init(MachineState *machine) +{ + if (!machine->cpu_model) { + machine->cpu_model = "cortex-a9"; + } + realview_init(machine, 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); |