| /* |
| * ARM Versatile Express emulation. |
| * |
| * Copyright (c) 2010 - 2011 B Labs Ltd. |
| * Copyright (c) 2011 Linaro Limited |
| * Written by Bahadir Balban, Amit Mahajan, Peter Maydell |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| * |
| * Contributions after 2012-01-13 are licensed under the terms of the |
| * GNU GPL, version 2 or (at your option) any later version. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "qemu/datadir.h" |
| #include "hw/sysbus.h" |
| #include "hw/arm/boot.h" |
| #include "hw/arm/primecell.h" |
| #include "hw/net/lan9118.h" |
| #include "hw/i2c/i2c.h" |
| #include "net/net.h" |
| #include "sysemu/sysemu.h" |
| #include "hw/boards.h" |
| #include "hw/loader.h" |
| #include "hw/block/flash.h" |
| #include "sysemu/device_tree.h" |
| #include "qemu/error-report.h" |
| #include <libfdt.h> |
| #include "hw/char/pl011.h" |
| #include "hw/cpu/a9mpcore.h" |
| #include "hw/cpu/a15mpcore.h" |
| #include "hw/i2c/arm_sbcon_i2c.h" |
| #include "hw/sd/sd.h" |
| #include "qapi/qmp/qlist.h" |
| #include "qom/object.h" |
| #include "audio/audio.h" |
| #include "target/arm/cpu-qom.h" |
| |
| #define VEXPRESS_BOARD_ID 0x8e0 |
| #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024) |
| #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024) |
| |
| /* Number of virtio transports to create (0..8; limited by |
| * number of available IRQ lines). |
| */ |
| #define NUM_VIRTIO_TRANSPORTS 4 |
| |
| /* Address maps for peripherals: |
| * the Versatile Express motherboard has two possible maps, |
| * the "legacy" one (used for A9) and the "Cortex-A Series" |
| * map (used for newer cores). |
| * Individual daughterboards can also have different maps for |
| * their peripherals. |
| */ |
| |
| enum { |
| VE_SYSREGS, |
| VE_SP810, |
| VE_SERIALPCI, |
| VE_PL041, |
| VE_MMCI, |
| VE_KMI0, |
| VE_KMI1, |
| VE_UART0, |
| VE_UART1, |
| VE_UART2, |
| VE_UART3, |
| VE_WDT, |
| VE_TIMER01, |
| VE_TIMER23, |
| VE_SERIALDVI, |
| VE_RTC, |
| VE_COMPACTFLASH, |
| VE_CLCD, |
| VE_NORFLASH0, |
| VE_NORFLASH1, |
| VE_NORFLASHALIAS, |
| VE_SRAM, |
| VE_VIDEORAM, |
| VE_ETHERNET, |
| VE_USB, |
| VE_DAPROM, |
| VE_VIRTIO, |
| }; |
| |
| static hwaddr motherboard_legacy_map[] = { |
| [VE_NORFLASHALIAS] = 0, |
| /* CS7: 0x10000000 .. 0x10020000 */ |
| [VE_SYSREGS] = 0x10000000, |
| [VE_SP810] = 0x10001000, |
| [VE_SERIALPCI] = 0x10002000, |
| [VE_PL041] = 0x10004000, |
| [VE_MMCI] = 0x10005000, |
| [VE_KMI0] = 0x10006000, |
| [VE_KMI1] = 0x10007000, |
| [VE_UART0] = 0x10009000, |
| [VE_UART1] = 0x1000a000, |
| [VE_UART2] = 0x1000b000, |
| [VE_UART3] = 0x1000c000, |
| [VE_WDT] = 0x1000f000, |
| [VE_TIMER01] = 0x10011000, |
| [VE_TIMER23] = 0x10012000, |
| [VE_VIRTIO] = 0x10013000, |
| [VE_SERIALDVI] = 0x10016000, |
| [VE_RTC] = 0x10017000, |
| [VE_COMPACTFLASH] = 0x1001a000, |
| [VE_CLCD] = 0x1001f000, |
| /* CS0: 0x40000000 .. 0x44000000 */ |
| [VE_NORFLASH0] = 0x40000000, |
| /* CS1: 0x44000000 .. 0x48000000 */ |
| [VE_NORFLASH1] = 0x44000000, |
| /* CS2: 0x48000000 .. 0x4a000000 */ |
| [VE_SRAM] = 0x48000000, |
| /* CS3: 0x4c000000 .. 0x50000000 */ |
| [VE_VIDEORAM] = 0x4c000000, |
| [VE_ETHERNET] = 0x4e000000, |
| [VE_USB] = 0x4f000000, |
| }; |
| |
| static hwaddr motherboard_aseries_map[] = { |
| [VE_NORFLASHALIAS] = 0, |
| /* CS0: 0x08000000 .. 0x0c000000 */ |
| [VE_NORFLASH0] = 0x08000000, |
| /* CS4: 0x0c000000 .. 0x10000000 */ |
| [VE_NORFLASH1] = 0x0c000000, |
| /* CS5: 0x10000000 .. 0x14000000 */ |
| /* CS1: 0x14000000 .. 0x18000000 */ |
| [VE_SRAM] = 0x14000000, |
| /* CS2: 0x18000000 .. 0x1c000000 */ |
| [VE_VIDEORAM] = 0x18000000, |
| [VE_ETHERNET] = 0x1a000000, |
| [VE_USB] = 0x1b000000, |
| /* CS3: 0x1c000000 .. 0x20000000 */ |
| [VE_DAPROM] = 0x1c000000, |
| [VE_SYSREGS] = 0x1c010000, |
| [VE_SP810] = 0x1c020000, |
| [VE_SERIALPCI] = 0x1c030000, |
| [VE_PL041] = 0x1c040000, |
| [VE_MMCI] = 0x1c050000, |
| [VE_KMI0] = 0x1c060000, |
| [VE_KMI1] = 0x1c070000, |
| [VE_UART0] = 0x1c090000, |
| [VE_UART1] = 0x1c0a0000, |
| [VE_UART2] = 0x1c0b0000, |
| [VE_UART3] = 0x1c0c0000, |
| [VE_WDT] = 0x1c0f0000, |
| [VE_TIMER01] = 0x1c110000, |
| [VE_TIMER23] = 0x1c120000, |
| [VE_VIRTIO] = 0x1c130000, |
| [VE_SERIALDVI] = 0x1c160000, |
| [VE_RTC] = 0x1c170000, |
| [VE_COMPACTFLASH] = 0x1c1a0000, |
| [VE_CLCD] = 0x1c1f0000, |
| }; |
| |
| /* Structure defining the peculiarities of a specific daughterboard */ |
| |
| typedef struct VEDBoardInfo VEDBoardInfo; |
| |
| struct VexpressMachineClass { |
| MachineClass parent; |
| VEDBoardInfo *daughterboard; |
| }; |
| |
| struct VexpressMachineState { |
| MachineState parent; |
| MemoryRegion vram; |
| MemoryRegion sram; |
| MemoryRegion flashalias; |
| MemoryRegion a15sram; |
| bool secure; |
| bool virt; |
| }; |
| |
| #define TYPE_VEXPRESS_MACHINE "vexpress" |
| #define TYPE_VEXPRESS_A9_MACHINE MACHINE_TYPE_NAME("vexpress-a9") |
| #define TYPE_VEXPRESS_A15_MACHINE MACHINE_TYPE_NAME("vexpress-a15") |
| OBJECT_DECLARE_TYPE(VexpressMachineState, VexpressMachineClass, VEXPRESS_MACHINE) |
| |
| typedef void DBoardInitFn(VexpressMachineState *machine, |
| ram_addr_t ram_size, |
| const char *cpu_type, |
| qemu_irq *pic); |
| |
| struct VEDBoardInfo { |
| struct arm_boot_info bootinfo; |
| const hwaddr *motherboard_map; |
| hwaddr loader_start; |
| const hwaddr gic_cpu_if_addr; |
| uint32_t proc_id; |
| uint32_t num_voltage_sensors; |
| const uint32_t *voltages; |
| uint32_t num_clocks; |
| const uint32_t *clocks; |
| DBoardInitFn *init; |
| }; |
| |
| static void init_cpus(MachineState *ms, const char *cpu_type, |
| const char *privdev, hwaddr periphbase, |
| qemu_irq *pic, bool secure, bool virt) |
| { |
| DeviceState *dev; |
| SysBusDevice *busdev; |
| int n; |
| unsigned int smp_cpus = ms->smp.cpus; |
| |
| /* Create the actual CPUs */ |
| for (n = 0; n < smp_cpus; n++) { |
| Object *cpuobj = object_new(cpu_type); |
| |
| if (!secure) { |
| object_property_set_bool(cpuobj, "has_el3", false, NULL); |
| } |
| if (!virt) { |
| if (object_property_find(cpuobj, "has_el2")) { |
| object_property_set_bool(cpuobj, "has_el2", false, NULL); |
| } |
| } |
| |
| if (object_property_find(cpuobj, "reset-cbar")) { |
| object_property_set_int(cpuobj, "reset-cbar", periphbase, |
| &error_abort); |
| } |
| qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); |
| } |
| |
| /* Create the private peripheral devices (including the GIC); |
| * this must happen after the CPUs are created because a15mpcore_priv |
| * wires itself up to the CPU's generic_timer gpio out lines. |
| */ |
| dev = qdev_new(privdev); |
| qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); |
| busdev = SYS_BUS_DEVICE(dev); |
| sysbus_realize_and_unref(busdev, &error_fatal); |
| sysbus_mmio_map(busdev, 0, periphbase); |
| |
| /* Interrupts [42:0] are from the motherboard; |
| * [47:43] are reserved; [63:48] are daughterboard |
| * peripherals. Note that some documentation numbers |
| * external interrupts starting from 32 (because there |
| * are internal interrupts 0..31). |
| */ |
| for (n = 0; n < 64; n++) { |
| pic[n] = qdev_get_gpio_in(dev, n); |
| } |
| |
| /* Connect the CPUs to the GIC */ |
| for (n = 0; n < smp_cpus; n++) { |
| DeviceState *cpudev = DEVICE(qemu_get_cpu(n)); |
| |
| sysbus_connect_irq(busdev, n, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); |
| sysbus_connect_irq(busdev, n + smp_cpus, |
| qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); |
| sysbus_connect_irq(busdev, n + 2 * smp_cpus, |
| qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); |
| sysbus_connect_irq(busdev, n + 3 * smp_cpus, |
| qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); |
| } |
| } |
| |
| static void a9_daughterboard_init(VexpressMachineState *vms, |
| ram_addr_t ram_size, |
| const char *cpu_type, |
| qemu_irq *pic) |
| { |
| MachineState *machine = MACHINE(vms); |
| MemoryRegion *sysmem = get_system_memory(); |
| DeviceState *dev; |
| |
| if (ram_size > 0x40000000) { |
| /* 1GB is the maximum the address space permits */ |
| error_report("vexpress-a9: cannot model more than 1GB RAM"); |
| exit(1); |
| } |
| |
| /* |
| * RAM is from 0x60000000 upwards. The bottom 64MB of the |
| * address space should in theory be remappable to various |
| * things including ROM or RAM; we always map the flash there. |
| */ |
| memory_region_add_subregion(sysmem, 0x60000000, machine->ram); |
| |
| /* 0x1e000000 A9MPCore (SCU) private memory region */ |
| init_cpus(machine, cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, |
| vms->secure, vms->virt); |
| |
| /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ |
| |
| /* 0x10020000 PL111 CLCD (daughterboard) */ |
| dev = qdev_new("pl111"); |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x10020000); |
| sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[44]); |
| |
| /* 0x10060000 AXI RAM */ |
| /* 0x100e0000 PL341 Dynamic Memory Controller */ |
| /* 0x100e1000 PL354 Static Memory Controller */ |
| /* 0x100e2000 System Configuration Controller */ |
| |
| sysbus_create_simple("sp804", 0x100e4000, pic[48]); |
| /* 0x100e5000 SP805 Watchdog module */ |
| /* 0x100e6000 BP147 TrustZone Protection Controller */ |
| /* 0x100e9000 PL301 'Fast' AXI matrix */ |
| /* 0x100ea000 PL301 'Slow' AXI matrix */ |
| /* 0x100ec000 TrustZone Address Space Controller */ |
| /* 0x10200000 CoreSight debug APB */ |
| /* 0x1e00a000 PL310 L2 Cache Controller */ |
| sysbus_create_varargs("l2x0", 0x1e00a000, NULL); |
| } |
| |
| /* Voltage values for SYS_CFG_VOLT daughterboard registers; |
| * values are in microvolts. |
| */ |
| static const uint32_t a9_voltages[] = { |
| 1000000, /* VD10 : 1.0V : SoC internal logic voltage */ |
| 1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */ |
| 1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */ |
| 1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */ |
| 900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */ |
| 3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */ |
| }; |
| |
| /* Reset values for daughterboard oscillators (in Hz) */ |
| static const uint32_t a9_clocks[] = { |
| 45000000, /* AMBA AXI ACLK: 45MHz */ |
| 23750000, /* daughterboard CLCD clock: 23.75MHz */ |
| 66670000, /* Test chip reference clock: 66.67MHz */ |
| }; |
| |
| static VEDBoardInfo a9_daughterboard = { |
| .motherboard_map = motherboard_legacy_map, |
| .loader_start = 0x60000000, |
| .gic_cpu_if_addr = 0x1e000100, |
| .proc_id = 0x0c000191, |
| .num_voltage_sensors = ARRAY_SIZE(a9_voltages), |
| .voltages = a9_voltages, |
| .num_clocks = ARRAY_SIZE(a9_clocks), |
| .clocks = a9_clocks, |
| .init = a9_daughterboard_init, |
| }; |
| |
| static void a15_daughterboard_init(VexpressMachineState *vms, |
| ram_addr_t ram_size, |
| const char *cpu_type, |
| qemu_irq *pic) |
| { |
| MachineState *machine = MACHINE(vms); |
| MemoryRegion *sysmem = get_system_memory(); |
| |
| { |
| /* We have to use a separate 64 bit variable here to avoid the gcc |
| * "comparison is always false due to limited range of data type" |
| * warning if we are on a host where ram_addr_t is 32 bits. |
| */ |
| uint64_t rsz = ram_size; |
| if (rsz > (30ULL * 1024 * 1024 * 1024)) { |
| error_report("vexpress-a15: cannot model more than 30GB RAM"); |
| exit(1); |
| } |
| } |
| |
| /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */ |
| memory_region_add_subregion(sysmem, 0x80000000, machine->ram); |
| |
| /* 0x2c000000 A15MPCore private memory region (GIC) */ |
| init_cpus(machine, cpu_type, TYPE_A15MPCORE_PRIV, |
| 0x2c000000, pic, vms->secure, vms->virt); |
| |
| /* A15 daughterboard peripherals: */ |
| |
| /* 0x20000000: CoreSight interfaces: not modelled */ |
| /* 0x2a000000: PL301 AXI interconnect: not modelled */ |
| /* 0x2a420000: SCC: not modelled */ |
| /* 0x2a430000: system counter: not modelled */ |
| /* 0x2b000000: HDLCD controller: not modelled */ |
| /* 0x2b060000: SP805 watchdog: not modelled */ |
| /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */ |
| /* 0x2e000000: system SRAM */ |
| memory_region_init_ram(&vms->a15sram, NULL, "vexpress.a15sram", 0x10000, |
| &error_fatal); |
| memory_region_add_subregion(sysmem, 0x2e000000, &vms->a15sram); |
| |
| /* 0x7ffb0000: DMA330 DMA controller: not modelled */ |
| /* 0x7ffd0000: PL354 static memory controller: not modelled */ |
| } |
| |
| static const uint32_t a15_voltages[] = { |
| 900000, /* Vcore: 0.9V : CPU core voltage */ |
| }; |
| |
| static const uint32_t a15_clocks[] = { |
| 60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */ |
| 0, /* OSCCLK1: reserved */ |
| 0, /* OSCCLK2: reserved */ |
| 0, /* OSCCLK3: reserved */ |
| 40000000, /* OSCCLK4: 40MHz : external AXI master clock */ |
| 23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */ |
| 50000000, /* OSCCLK6: 50MHz : static memory controller clock */ |
| 60000000, /* OSCCLK7: 60MHz : SYSCLK reference */ |
| 40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */ |
| }; |
| |
| static VEDBoardInfo a15_daughterboard = { |
| .motherboard_map = motherboard_aseries_map, |
| .loader_start = 0x80000000, |
| .gic_cpu_if_addr = 0x2c002000, |
| .proc_id = 0x14000237, |
| .num_voltage_sensors = ARRAY_SIZE(a15_voltages), |
| .voltages = a15_voltages, |
| .num_clocks = ARRAY_SIZE(a15_clocks), |
| .clocks = a15_clocks, |
| .init = a15_daughterboard_init, |
| }; |
| |
| static int add_virtio_mmio_node(void *fdt, uint32_t acells, uint32_t scells, |
| hwaddr addr, hwaddr size, uint32_t intc, |
| int irq) |
| { |
| /* Add a virtio_mmio node to the device tree blob: |
| * virtio_mmio@ADDRESS { |
| * compatible = "virtio,mmio"; |
| * reg = <ADDRESS, SIZE>; |
| * interrupt-parent = <&intc>; |
| * interrupts = <0, irq, 1>; |
| * } |
| * (Note that the format of the interrupts property is dependent on the |
| * interrupt controller that interrupt-parent points to; these are for |
| * the ARM GIC and indicate an SPI interrupt, rising-edge-triggered.) |
| */ |
| int rc; |
| char *nodename = g_strdup_printf("/virtio_mmio@%" PRIx64, addr); |
| |
| rc = qemu_fdt_add_subnode(fdt, nodename); |
| rc |= qemu_fdt_setprop_string(fdt, nodename, |
| "compatible", "virtio,mmio"); |
| rc |= qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", |
| acells, addr, scells, size); |
| qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", intc); |
| qemu_fdt_setprop_cells(fdt, nodename, "interrupts", 0, irq, 1); |
| qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0); |
| g_free(nodename); |
| if (rc) { |
| return -1; |
| } |
| return 0; |
| } |
| |
| static uint32_t find_int_controller(void *fdt) |
| { |
| /* Find the FDT node corresponding to the interrupt controller |
| * for virtio-mmio devices. We do this by scanning the fdt for |
| * a node with the right compatibility, since we know there is |
| * only one GIC on a vexpress board. |
| * We return the phandle of the node, or 0 if none was found. |
| */ |
| const char *compat = "arm,cortex-a9-gic"; |
| int offset; |
| |
| offset = fdt_node_offset_by_compatible(fdt, -1, compat); |
| if (offset >= 0) { |
| return fdt_get_phandle(fdt, offset); |
| } |
| return 0; |
| } |
| |
| static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt) |
| { |
| uint32_t acells, scells, intc; |
| const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info; |
| |
| acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells", |
| NULL, &error_fatal); |
| scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells", |
| NULL, &error_fatal); |
| intc = find_int_controller(fdt); |
| if (!intc) { |
| /* Not fatal, we just won't provide virtio. This will |
| * happen with older device tree blobs. |
| */ |
| warn_report("couldn't find interrupt controller in " |
| "dtb; will not include virtio-mmio devices in the dtb"); |
| } else { |
| int i; |
| const hwaddr *map = daughterboard->motherboard_map; |
| |
| /* We iterate backwards here because adding nodes |
| * to the dtb puts them in last-first. |
| */ |
| for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) { |
| add_virtio_mmio_node(fdt, acells, scells, |
| map[VE_VIRTIO] + 0x200 * i, |
| 0x200, intc, 40 + i); |
| } |
| } |
| } |
| |
| |
| /* Open code a private version of pflash registration since we |
| * need to set non-default device width for VExpress platform. |
| */ |
| static PFlashCFI01 *ve_pflash_cfi01_register(hwaddr base, const char *name, |
| DriveInfo *di) |
| { |
| DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); |
| |
| if (di) { |
| qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di)); |
| } |
| |
| qdev_prop_set_uint32(dev, "num-blocks", |
| VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE); |
| qdev_prop_set_uint64(dev, "sector-length", VEXPRESS_FLASH_SECT_SIZE); |
| qdev_prop_set_uint8(dev, "width", 4); |
| qdev_prop_set_uint8(dev, "device-width", 2); |
| qdev_prop_set_bit(dev, "big-endian", false); |
| qdev_prop_set_uint16(dev, "id0", 0x89); |
| qdev_prop_set_uint16(dev, "id1", 0x18); |
| qdev_prop_set_uint16(dev, "id2", 0x00); |
| qdev_prop_set_uint16(dev, "id3", 0x00); |
| qdev_prop_set_string(dev, "name", name); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); |
| return PFLASH_CFI01(dev); |
| } |
| |
| static void vexpress_common_init(MachineState *machine) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(machine); |
| VexpressMachineClass *vmc = VEXPRESS_MACHINE_GET_CLASS(machine); |
| VEDBoardInfo *daughterboard = vmc->daughterboard; |
| DeviceState *dev, *sysctl, *pl041; |
| qemu_irq pic[64]; |
| uint32_t sys_id; |
| DriveInfo *dinfo; |
| PFlashCFI01 *pflash0; |
| I2CBus *i2c; |
| ram_addr_t vram_size, sram_size; |
| MemoryRegion *sysmem = get_system_memory(); |
| const hwaddr *map = daughterboard->motherboard_map; |
| QList *db_voltage, *db_clock; |
| int i; |
| |
| daughterboard->init(vms, machine->ram_size, machine->cpu_type, pic); |
| |
| /* |
| * If a bios file was provided, attempt to map it into memory |
| */ |
| if (machine->firmware) { |
| char *fn; |
| int image_size; |
| |
| if (drive_get(IF_PFLASH, 0, 0)) { |
| error_report("The contents of the first flash device may be " |
| "specified with -bios or with -drive if=pflash... " |
| "but you cannot use both options at once"); |
| exit(1); |
| } |
| fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, machine->firmware); |
| if (!fn) { |
| error_report("Could not find ROM image '%s'", machine->firmware); |
| exit(1); |
| } |
| image_size = load_image_targphys(fn, map[VE_NORFLASH0], |
| VEXPRESS_FLASH_SIZE); |
| g_free(fn); |
| if (image_size < 0) { |
| error_report("Could not load ROM image '%s'", machine->firmware); |
| exit(1); |
| } |
| } |
| |
| /* Motherboard peripherals: the wiring is the same but the |
| * addresses vary between the legacy and A-Series memory maps. |
| */ |
| |
| sys_id = 0x1190f500; |
| |
| sysctl = qdev_new("realview_sysctl"); |
| qdev_prop_set_uint32(sysctl, "sys_id", sys_id); |
| qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id); |
| |
| db_voltage = qlist_new(); |
| for (i = 0; i < daughterboard->num_voltage_sensors; i++) { |
| qlist_append_int(db_voltage, daughterboard->voltages[i]); |
| } |
| qdev_prop_set_array(sysctl, "db-voltage", db_voltage); |
| |
| db_clock = qlist_new(); |
| for (i = 0; i < daughterboard->num_clocks; i++) { |
| qlist_append_int(db_clock, daughterboard->clocks[i]); |
| } |
| qdev_prop_set_array(sysctl, "db-clock", db_clock); |
| |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal); |
| sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]); |
| |
| /* VE_SP810: not modelled */ |
| /* VE_SERIALPCI: not modelled */ |
| |
| pl041 = qdev_new("pl041"); |
| qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); |
| if (machine->audiodev) { |
| qdev_prop_set_string(pl041, "audiodev", machine->audiodev); |
| } |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal); |
| sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]); |
| sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]); |
| |
| dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); |
| /* Wire up MMC card detect and read-only signals */ |
| qdev_connect_gpio_out_named(dev, "card-read-only", 0, |
| qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); |
| qdev_connect_gpio_out_named(dev, "card-inserted", 0, |
| qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); |
| dinfo = drive_get(IF_SD, 0, 0); |
| if (dinfo) { |
| DeviceState *card; |
| |
| card = qdev_new(TYPE_SD_CARD); |
| qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo), |
| &error_fatal); |
| qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"), |
| &error_fatal); |
| } |
| |
| sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); |
| sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); |
| |
| pl011_create(map[VE_UART0], pic[5], serial_hd(0)); |
| pl011_create(map[VE_UART1], pic[6], serial_hd(1)); |
| pl011_create(map[VE_UART2], pic[7], serial_hd(2)); |
| pl011_create(map[VE_UART3], pic[8], serial_hd(3)); |
| |
| sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); |
| sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); |
| |
| dev = sysbus_create_simple(TYPE_ARM_SBCON_I2C, map[VE_SERIALDVI], NULL); |
| i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); |
| i2c_slave_create_simple(i2c, "sii9022", 0x39); |
| |
| sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ |
| |
| /* VE_COMPACTFLASH: not modelled */ |
| |
| dev = qdev_new("pl111"); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, map[VE_CLCD]); |
| sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[14]); |
| |
| dinfo = drive_get(IF_PFLASH, 0, 0); |
| pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0", |
| dinfo); |
| |
| if (map[VE_NORFLASHALIAS] != -1) { |
| /* Map flash 0 as an alias into low memory */ |
| MemoryRegion *flash0mem; |
| flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0); |
| memory_region_init_alias(&vms->flashalias, NULL, "vexpress.flashalias", |
| flash0mem, 0, VEXPRESS_FLASH_SIZE); |
| memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], &vms->flashalias); |
| } |
| |
| dinfo = drive_get(IF_PFLASH, 0, 1); |
| ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1", dinfo); |
| |
| sram_size = 0x2000000; |
| memory_region_init_ram(&vms->sram, NULL, "vexpress.sram", sram_size, |
| &error_fatal); |
| memory_region_add_subregion(sysmem, map[VE_SRAM], &vms->sram); |
| |
| vram_size = 0x800000; |
| memory_region_init_ram(&vms->vram, NULL, "vexpress.vram", vram_size, |
| &error_fatal); |
| memory_region_add_subregion(sysmem, map[VE_VIDEORAM], &vms->vram); |
| |
| /* 0x4e000000 LAN9118 Ethernet */ |
| if (qemu_find_nic_info("lan9118", true, NULL)) { |
| lan9118_init(map[VE_ETHERNET], pic[15]); |
| } |
| |
| /* VE_USB: not modelled */ |
| |
| /* VE_DAPROM: not modelled */ |
| |
| /* Create mmio transports, so the user can create virtio backends |
| * (which will be automatically plugged in to the transports). If |
| * no backend is created the transport will just sit harmlessly idle. |
| */ |
| for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) { |
| sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i, |
| pic[40 + i]); |
| } |
| |
| daughterboard->bootinfo.ram_size = machine->ram_size; |
| daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID; |
| daughterboard->bootinfo.loader_start = daughterboard->loader_start; |
| daughterboard->bootinfo.smp_loader_start = map[VE_SRAM]; |
| daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; |
| daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr; |
| daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb; |
| /* When booting Linux we should be in secure state if the CPU has one. */ |
| daughterboard->bootinfo.secure_boot = vms->secure; |
| arm_load_kernel(ARM_CPU(first_cpu), machine, &daughterboard->bootinfo); |
| } |
| |
| static bool vexpress_get_secure(Object *obj, Error **errp) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| return vms->secure; |
| } |
| |
| static void vexpress_set_secure(Object *obj, bool value, Error **errp) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| vms->secure = value; |
| } |
| |
| static bool vexpress_get_virt(Object *obj, Error **errp) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| return vms->virt; |
| } |
| |
| static void vexpress_set_virt(Object *obj, bool value, Error **errp) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| vms->virt = value; |
| } |
| |
| static void vexpress_instance_init(Object *obj) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| /* EL3 is enabled by default on vexpress */ |
| vms->secure = true; |
| } |
| |
| static void vexpress_a15_instance_init(Object *obj) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| /* |
| * For the vexpress-a15, EL2 is by default enabled if EL3 is, |
| * but can also be specifically set to on or off. |
| */ |
| vms->virt = true; |
| } |
| |
| static void vexpress_a9_instance_init(Object *obj) |
| { |
| VexpressMachineState *vms = VEXPRESS_MACHINE(obj); |
| |
| /* The A9 doesn't have the virt extensions */ |
| vms->virt = false; |
| } |
| |
| static void vexpress_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->desc = "ARM Versatile Express"; |
| mc->init = vexpress_common_init; |
| mc->max_cpus = 4; |
| mc->ignore_memory_transaction_failures = true; |
| mc->default_ram_id = "vexpress.highmem"; |
| |
| machine_add_audiodev_property(mc); |
| object_class_property_add_bool(oc, "secure", vexpress_get_secure, |
| vexpress_set_secure); |
| object_class_property_set_description(oc, "secure", |
| "Set on/off to enable/disable the ARM " |
| "Security Extensions (TrustZone)"); |
| } |
| |
| static void vexpress_a9_class_init(ObjectClass *oc, void *data) |
| { |
| static const char * const valid_cpu_types[] = { |
| ARM_CPU_TYPE_NAME("cortex-a9"), |
| NULL |
| }; |
| MachineClass *mc = MACHINE_CLASS(oc); |
| VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); |
| |
| mc->desc = "ARM Versatile Express for Cortex-A9"; |
| mc->valid_cpu_types = valid_cpu_types; |
| |
| vmc->daughterboard = &a9_daughterboard; |
| } |
| |
| static void vexpress_a15_class_init(ObjectClass *oc, void *data) |
| { |
| static const char * const valid_cpu_types[] = { |
| ARM_CPU_TYPE_NAME("cortex-a15"), |
| NULL |
| }; |
| MachineClass *mc = MACHINE_CLASS(oc); |
| VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); |
| |
| mc->desc = "ARM Versatile Express for Cortex-A15"; |
| mc->valid_cpu_types = valid_cpu_types; |
| |
| vmc->daughterboard = &a15_daughterboard; |
| |
| object_class_property_add_bool(oc, "virtualization", vexpress_get_virt, |
| vexpress_set_virt); |
| object_class_property_set_description(oc, "virtualization", |
| "Set on/off to enable/disable the ARM " |
| "Virtualization Extensions " |
| "(defaults to same as 'secure')"); |
| |
| } |
| |
| static const TypeInfo vexpress_info = { |
| .name = TYPE_VEXPRESS_MACHINE, |
| .parent = TYPE_MACHINE, |
| .abstract = true, |
| .instance_size = sizeof(VexpressMachineState), |
| .instance_init = vexpress_instance_init, |
| .class_size = sizeof(VexpressMachineClass), |
| .class_init = vexpress_class_init, |
| }; |
| |
| static const TypeInfo vexpress_a9_info = { |
| .name = TYPE_VEXPRESS_A9_MACHINE, |
| .parent = TYPE_VEXPRESS_MACHINE, |
| .class_init = vexpress_a9_class_init, |
| .instance_init = vexpress_a9_instance_init, |
| }; |
| |
| static const TypeInfo vexpress_a15_info = { |
| .name = TYPE_VEXPRESS_A15_MACHINE, |
| .parent = TYPE_VEXPRESS_MACHINE, |
| .class_init = vexpress_a15_class_init, |
| .instance_init = vexpress_a15_instance_init, |
| }; |
| |
| static void vexpress_machine_init(void) |
| { |
| type_register_static(&vexpress_info); |
| type_register_static(&vexpress_a9_info); |
| type_register_static(&vexpress_a15_info); |
| } |
| |
| type_init(vexpress_machine_init); |
