[qemu.git] / hw / vexpress.c

/*
 * 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 "sysbus.h"
#include "arm-misc.h"
#include "primecell.h"
#include "devices.h"
#include "net.h"
#include "sysemu.h"
#include "boards.h"
#include "exec-memory.h"

#define VEXPRESS_BOARD_ID 0x8e0

static struct arm_boot_info vexpress_binfo;

/* 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_NORFLASH0ALIAS,
    VE_NORFLASH1,
    VE_SRAM,
    VE_VIDEORAM,
    VE_ETHERNET,
    VE_USB,
    VE_DAPROM,
};

static target_phys_addr_t motherboard_legacy_map[] = {
    /* 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_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 target_phys_addr_t motherboard_aseries_map[] = {
    /* CS0: 0x00000000 .. 0x0c000000 */
    [VE_NORFLASH0] = 0x00000000,
    [VE_NORFLASH0ALIAS] = 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_SERIALDVI] = 0x1c160000,
    [VE_RTC] = 0x1c170000,
    [VE_COMPACTFLASH] = 0x1c1a0000,
    [VE_CLCD] = 0x1c1f0000,
};

/* Structure defining the peculiarities of a specific daughterboard */

typedef struct VEDBoardInfo VEDBoardInfo;

typedef void DBoardInitFn(const VEDBoardInfo *daughterboard,
                          ram_addr_t ram_size,
                          const char *cpu_model,
                          qemu_irq *pic, uint32_t *proc_id);

struct VEDBoardInfo {
    const target_phys_addr_t *motherboard_map;
    target_phys_addr_t loader_start;
    const target_phys_addr_t gic_cpu_if_addr;
    DBoardInitFn *init;
};

static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
                                  ram_addr_t ram_size,
                                  const char *cpu_model,
                                  qemu_irq *pic, uint32_t *proc_id)
{
    MemoryRegion *sysmem = get_system_memory();
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *lowram = g_new(MemoryRegion, 1);
    DeviceState *dev;
    SysBusDevice *busdev;
    qemu_irq *irqp;
    int n;
    qemu_irq cpu_irq[4];
    ram_addr_t low_ram_size;

    if (!cpu_model) {
        cpu_model = "cortex-a9";
    }

    *proc_id = 0x0c000191;

    for (n = 0; n < smp_cpus; n++) {
        ARMCPU *cpu = cpu_arm_init(cpu_model);
        if (!cpu) {
            fprintf(stderr, "Unable to find CPU definition\n");
            exit(1);
        }
        irqp = arm_pic_init_cpu(cpu);
        cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
    }

    if (ram_size > 0x40000000) {
        /* 1GB is the maximum the address space permits */
        fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n");
        exit(1);
    }

    memory_region_init_ram(ram, "vexpress.highmem", ram_size);
    vmstate_register_ram_global(ram);
    low_ram_size = ram_size;
    if (low_ram_size > 0x4000000) {
        low_ram_size = 0x4000000;
    }
    /* 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 RAM there.
     */
    memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size);
    memory_region_add_subregion(sysmem, 0x0, lowram);
    memory_region_add_subregion(sysmem, 0x60000000, ram);

    /* 0x1e000000 A9MPCore (SCU) private memory region */
    dev = qdev_create(NULL, "a9mpcore_priv");
    qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
    qdev_init_nofail(dev);
    busdev = sysbus_from_qdev(dev);
    sysbus_mmio_map(busdev, 0, 0x1e000000);
    for (n = 0; n < smp_cpus; n++) {
        sysbus_connect_irq(busdev, n, cpu_irq[n]);
    }
    /* 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 the
     * A9MP has internal interrupts 0..31).
     */
    for (n = 0; n < 64; n++) {
        pic[n] = qdev_get_gpio_in(dev, n);
    }

    /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */

    /* 0x10020000 PL111 CLCD (daughterboard) */
    sysbus_create_simple("pl111", 0x10020000, 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);
}

static const VEDBoardInfo a9_daughterboard = {
    .motherboard_map = motherboard_legacy_map,
    .loader_start = 0x60000000,
    .gic_cpu_if_addr = 0x1e000100,
    .init = a9_daughterboard_init,
};

static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
                                   ram_addr_t ram_size,
                                   const char *cpu_model,
                                   qemu_irq *pic, uint32_t *proc_id)
{
    int n;
    MemoryRegion *sysmem = get_system_memory();
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *sram = g_new(MemoryRegion, 1);
    qemu_irq cpu_irq[4];
    DeviceState *dev;
    SysBusDevice *busdev;

    if (!cpu_model) {
        cpu_model = "cortex-a15";
    }

    *proc_id = 0x14000217;

    for (n = 0; n < smp_cpus; n++) {
        ARMCPU *cpu;
        qemu_irq *irqp;

        cpu = cpu_arm_init(cpu_model);
        if (!cpu) {
            fprintf(stderr, "Unable to find CPU definition\n");
            exit(1);
        }
        irqp = arm_pic_init_cpu(cpu);
        cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
    }

    if (ram_size > 0x80000000) {
        fprintf(stderr, "vexpress-a15: cannot model more than 2GB RAM\n");
        exit(1);
    }

    memory_region_init_ram(ram, "vexpress.highmem", ram_size);
    vmstate_register_ram_global(ram);
    /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */
    memory_region_add_subregion(sysmem, 0x80000000, ram);

    /* 0x2c000000 A15MPCore private memory region (GIC) */
    dev = qdev_create(NULL, "a15mpcore_priv");
    qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
    qdev_init_nofail(dev);
    busdev = sysbus_from_qdev(dev);
    sysbus_mmio_map(busdev, 0, 0x2c000000);
    for (n = 0; n < smp_cpus; n++) {
        sysbus_connect_irq(busdev, n, cpu_irq[n]);
    }
    /* 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);
    }

    /* 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(sram, "vexpress.a15sram", 0x10000);
    vmstate_register_ram_global(sram);
    memory_region_add_subregion(sysmem, 0x2e000000, sram);

    /* 0x7ffb0000: DMA330 DMA controller: not modelled */
    /* 0x7ffd0000: PL354 static memory controller: not modelled */
}

static const VEDBoardInfo a15_daughterboard = {
    .motherboard_map = motherboard_aseries_map,
    .loader_start = 0x80000000,
    .gic_cpu_if_addr = 0x2c002000,
    .init = a15_daughterboard_init,
};

static void vexpress_common_init(const VEDBoardInfo *daughterboard,
                                 ram_addr_t ram_size,
                                 const char *boot_device,
                                 const char *kernel_filename,
                                 const char *kernel_cmdline,
                                 const char *initrd_filename,
                                 const char *cpu_model)
{
    DeviceState *dev, *sysctl, *pl041;
    qemu_irq pic[64];
    uint32_t proc_id;
    uint32_t sys_id;
    ram_addr_t vram_size, sram_size;
    MemoryRegion *sysmem = get_system_memory();
    MemoryRegion *vram = g_new(MemoryRegion, 1);
    MemoryRegion *sram = g_new(MemoryRegion, 1);
    const target_phys_addr_t *map = daughterboard->motherboard_map;

    daughterboard->init(daughterboard, ram_size, cpu_model, pic, &proc_id);

    /* Motherboard peripherals: the wiring is the same but the
     * addresses vary between the legacy and A-Series memory maps.
     */

    sys_id = 0x1190f500;

    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(sysbus_from_qdev(sysctl), 0, map[VE_SYSREGS]);

    /* VE_SP810: not modelled */
    /* VE_SERIALPCI: not modelled */

    pl041 = qdev_create(NULL, "pl041");
    qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
    qdev_init_nofail(pl041);
    sysbus_mmio_map(sysbus_from_qdev(pl041), 0, map[VE_PL041]);
    sysbus_connect_irq(sysbus_from_qdev(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(dev, 0,
                          qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT));
    qdev_connect_gpio_out(dev, 1,
                          qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN));

    sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]);
    sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]);

    sysbus_create_simple("pl011", map[VE_UART0], pic[5]);
    sysbus_create_simple("pl011", map[VE_UART1], pic[6]);
    sysbus_create_simple("pl011", map[VE_UART2], pic[7]);
    sysbus_create_simple("pl011", map[VE_UART3], pic[8]);

    sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]);
    sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);

    /* VE_SERIALDVI: not modelled */

    sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */

    /* VE_COMPACTFLASH: not modelled */

    sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);

    /* VE_NORFLASH0: not modelled */
    /* VE_NORFLASH0ALIAS: not modelled */
    /* VE_NORFLASH1: not modelled */

    sram_size = 0x2000000;
    memory_region_init_ram(sram, "vexpress.sram", sram_size);
    vmstate_register_ram_global(sram);
    memory_region_add_subregion(sysmem, map[VE_SRAM], sram);

    vram_size = 0x800000;
    memory_region_init_ram(vram, "vexpress.vram", vram_size);
    vmstate_register_ram_global(vram);
    memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram);

    /* 0x4e000000 LAN9118 Ethernet */
    if (nd_table[0].vlan) {
        lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]);
    }

    /* VE_USB: not modelled */

    /* VE_DAPROM: not modelled */

    vexpress_binfo.ram_size = ram_size;
    vexpress_binfo.kernel_filename = kernel_filename;
    vexpress_binfo.kernel_cmdline = kernel_cmdline;
    vexpress_binfo.initrd_filename = initrd_filename;
    vexpress_binfo.nb_cpus = smp_cpus;
    vexpress_binfo.board_id = VEXPRESS_BOARD_ID;
    vexpress_binfo.loader_start = daughterboard->loader_start;
    vexpress_binfo.smp_loader_start = map[VE_SRAM];
    vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
    vexpress_binfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
    arm_load_kernel(arm_env_get_cpu(first_cpu), &vexpress_binfo);
}

static void vexpress_a9_init(ram_addr_t ram_size,
                             const char *boot_device,
                             const char *kernel_filename,
                             const char *kernel_cmdline,
                             const char *initrd_filename,
                             const char *cpu_model)
{
    vexpress_common_init(&a9_daughterboard,
                         ram_size, boot_device, kernel_filename,
                         kernel_cmdline, initrd_filename, cpu_model);
}

static void vexpress_a15_init(ram_addr_t ram_size,
                              const char *boot_device,
                              const char *kernel_filename,
                              const char *kernel_cmdline,
                              const char *initrd_filename,
                              const char *cpu_model)
{
    vexpress_common_init(&a15_daughterboard,
                         ram_size, boot_device, kernel_filename,
                         kernel_cmdline, initrd_filename, cpu_model);
}

static QEMUMachine vexpress_a9_machine = {
    .name = "vexpress-a9",
    .desc = "ARM Versatile Express for Cortex-A9",
    .init = vexpress_a9_init,
    .use_scsi = 1,
    .max_cpus = 4,
};

static QEMUMachine vexpress_a15_machine = {
    .name = "vexpress-a15",
    .desc = "ARM Versatile Express for Cortex-A15",
    .init = vexpress_a15_init,
    .use_scsi = 1,
    .max_cpus = 4,
};

static void vexpress_machine_init(void)
{
    qemu_register_machine(&vexpress_a9_machine);
    qemu_register_machine(&vexpress_a15_machine);
}

machine_init(vexpress_machine_init);
Commit	Line	Data
2055283b PM	1	/*
	2	* ARM Versatile Express emulation.
	3	*
	4	* Copyright (c) 2010 - 2011 B Labs Ltd.
	5	* Copyright (c) 2011 Linaro Limited
	6	* Written by Bahadir Balban, Amit Mahajan, Peter Maydell
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License along
	18	* with this program; if not, see <http://www.gnu.org/licenses/>.
6b620ca3 PB	19	*
	20	* Contributions after 2012-01-13 are licensed under the terms of the
	21	* GNU GPL, version 2 or (at your option) any later version.
2055283b PM	22	*/
	23
	24	#include "sysbus.h"
	25	#include "arm-misc.h"
	26	#include "primecell.h"
	27	#include "devices.h"
	28	#include "net.h"
	29	#include "sysemu.h"
	30	#include "boards.h"
e6d17b05	31	#include "exec-memory.h"
2055283b	32
2055283b PM	33	#define VEXPRESS_BOARD_ID 0x8e0
2055283b PM	34
aac1e02c	35	static struct arm_boot_info vexpress_binfo;
2558e0a6 PM	36
	37	/* Address maps for peripherals:
	38	* the Versatile Express motherboard has two possible maps,
	39	* the "legacy" one (used for A9) and the "Cortex-A Series"
	40	* map (used for newer cores).
	41	* Individual daughterboards can also have different maps for
	42	* their peripherals.
	43	*/
	44
	45	enum {
	46	VE_SYSREGS,
	47	VE_SP810,
	48	VE_SERIALPCI,
	49	VE_PL041,
	50	VE_MMCI,
	51	VE_KMI0,
	52	VE_KMI1,
	53	VE_UART0,
	54	VE_UART1,
	55	VE_UART2,
	56	VE_UART3,
	57	VE_WDT,
	58	VE_TIMER01,
	59	VE_TIMER23,
	60	VE_SERIALDVI,
	61	VE_RTC,
	62	VE_COMPACTFLASH,
	63	VE_CLCD,
	64	VE_NORFLASH0,
	65	VE_NORFLASH0ALIAS,
	66	VE_NORFLASH1,
	67	VE_SRAM,
	68	VE_VIDEORAM,
	69	VE_ETHERNET,
	70	VE_USB,
	71	VE_DAPROM,
	72	};
	73
	74	static target_phys_addr_t motherboard_legacy_map[] = {
	75	/* CS7: 0x10000000 .. 0x10020000 */
	76	[VE_SYSREGS] = 0x10000000,
	77	[VE_SP810] = 0x10001000,
	78	[VE_SERIALPCI] = 0x10002000,
	79	[VE_PL041] = 0x10004000,
	80	[VE_MMCI] = 0x10005000,
	81	[VE_KMI0] = 0x10006000,
	82	[VE_KMI1] = 0x10007000,
	83	[VE_UART0] = 0x10009000,
	84	[VE_UART1] = 0x1000a000,
	85	[VE_UART2] = 0x1000b000,
	86	[VE_UART3] = 0x1000c000,
	87	[VE_WDT] = 0x1000f000,
	88	[VE_TIMER01] = 0x10011000,
	89	[VE_TIMER23] = 0x10012000,
	90	[VE_SERIALDVI] = 0x10016000,
	91	[VE_RTC] = 0x10017000,
	92	[VE_COMPACTFLASH] = 0x1001a000,
	93	[VE_CLCD] = 0x1001f000,
	94	/* CS0: 0x40000000 .. 0x44000000 */
	95	[VE_NORFLASH0] = 0x40000000,
	96	/* CS1: 0x44000000 .. 0x48000000 */
	97	[VE_NORFLASH1] = 0x44000000,
	98	/* CS2: 0x48000000 .. 0x4a000000 */
	99	[VE_SRAM] = 0x48000000,
100	/* CS3: 0x4c000000 .. 0x50000000 */
101	[VE_VIDEORAM] = 0x4c000000,
102	[VE_ETHERNET] = 0x4e000000,
103	[VE_USB] = 0x4f000000,
2055283b PM	104	};
2055283b PM	105
961f195e PM	106	static target_phys_addr_t motherboard_aseries_map[] = {
	107	/* CS0: 0x00000000 .. 0x0c000000 */
	108	[VE_NORFLASH0] = 0x00000000,
	109	[VE_NORFLASH0ALIAS] = 0x08000000,
	110	/* CS4: 0x0c000000 .. 0x10000000 */
	111	[VE_NORFLASH1] = 0x0c000000,
	112	/* CS5: 0x10000000 .. 0x14000000 */
	113	/* CS1: 0x14000000 .. 0x18000000 */
	114	[VE_SRAM] = 0x14000000,
	115	/* CS2: 0x18000000 .. 0x1c000000 */
	116	[VE_VIDEORAM] = 0x18000000,
	117	[VE_ETHERNET] = 0x1a000000,
	118	[VE_USB] = 0x1b000000,
	119	/* CS3: 0x1c000000 .. 0x20000000 */
	120	[VE_DAPROM] = 0x1c000000,
	121	[VE_SYSREGS] = 0x1c010000,
	122	[VE_SP810] = 0x1c020000,
	123	[VE_SERIALPCI] = 0x1c030000,
	124	[VE_PL041] = 0x1c040000,
	125	[VE_MMCI] = 0x1c050000,
	126	[VE_KMI0] = 0x1c060000,
	127	[VE_KMI1] = 0x1c070000,
	128	[VE_UART0] = 0x1c090000,
	129	[VE_UART1] = 0x1c0a0000,
	130	[VE_UART2] = 0x1c0b0000,
	131	[VE_UART3] = 0x1c0c0000,
	132	[VE_WDT] = 0x1c0f0000,
	133	[VE_TIMER01] = 0x1c110000,
	134	[VE_TIMER23] = 0x1c120000,
	135	[VE_SERIALDVI] = 0x1c160000,
	136	[VE_RTC] = 0x1c170000,
	137	[VE_COMPACTFLASH] = 0x1c1a0000,
	138	[VE_CLCD] = 0x1c1f0000,
	139	};
	140
4c3b29b8 PM	141	/* Structure defining the peculiarities of a specific daughterboard */
	142
	143	typedef struct VEDBoardInfo VEDBoardInfo;
	144
	145	typedef void DBoardInitFn(const VEDBoardInfo *daughterboard,
	146	ram_addr_t ram_size,
	147	const char *cpu_model,
	148	qemu_irq pic, uint32_t proc_id);
	149
	150	struct VEDBoardInfo {
	151	const target_phys_addr_t *motherboard_map;
	152	target_phys_addr_t loader_start;
96eacf64	153	const target_phys_addr_t gic_cpu_if_addr;
4c3b29b8 PM	154	DBoardInitFn *init;
	155	};
	156
	157	static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
	158	ram_addr_t ram_size,
	159	const char *cpu_model,
	160	qemu_irq pic, uint32_t proc_id)
2055283b	161	{
e6d17b05 AK	162	MemoryRegion *sysmem = get_system_memory();
	163	MemoryRegion *ram = g_new(MemoryRegion, 1);
	164	MemoryRegion *lowram = g_new(MemoryRegion, 1);
4c3b29b8	165	DeviceState *dev;
2055283b PM	166	SysBusDevice *busdev;
2055283b PM	167	qemu_irq *irqp;
2055283b PM	168	int n;
2055283b PM	169	qemu_irq cpu_irq[4];
4c3b29b8	170	ram_addr_t low_ram_size;
2055283b PM	171
	172	if (!cpu_model) {
	173	cpu_model = "cortex-a9";
	174	}
	175
4c3b29b8 PM	176	*proc_id = 0x0c000191;
4c3b29b8 PM	177
2055283b	178	for (n = 0; n < smp_cpus; n++) {
64c9e297 AF	179	ARMCPU *cpu = cpu_arm_init(cpu_model);
64c9e297 AF	180	if (!cpu) {
2055283b PM	181	fprintf(stderr, "Unable to find CPU definition\n");
	182	exit(1);
	183	}
4bd74661	184	irqp = arm_pic_init_cpu(cpu);
2055283b PM	185	cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
	186	}
	187
	188	if (ram_size > 0x40000000) {
	189	/* 1GB is the maximum the address space permits */
4c3b29b8	190	fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n");
2055283b PM	191	exit(1);
	192	}
	193
c5705a77 AK	194	memory_region_init_ram(ram, "vexpress.highmem", ram_size);
c5705a77 AK	195	vmstate_register_ram_global(ram);
2055283b PM	196	low_ram_size = ram_size;
	197	if (low_ram_size > 0x4000000) {
	198	low_ram_size = 0x4000000;
	199	}
	200	/* RAM is from 0x60000000 upwards. The bottom 64MB of the
	201	* address space should in theory be remappable to various
	202	* things including ROM or RAM; we always map the RAM there.
	203	*/
e6d17b05 AK	204	memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size);
	205	memory_region_add_subregion(sysmem, 0x0, lowram);
	206	memory_region_add_subregion(sysmem, 0x60000000, ram);
2055283b PM	207
	208	/* 0x1e000000 A9MPCore (SCU) private memory region */
	209	dev = qdev_create(NULL, "a9mpcore_priv");
	210	qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
	211	qdev_init_nofail(dev);
	212	busdev = sysbus_from_qdev(dev);
96eacf64	213	sysbus_mmio_map(busdev, 0, 0x1e000000);
2055283b PM	214	for (n = 0; n < smp_cpus; n++) {
	215	sysbus_connect_irq(busdev, n, cpu_irq[n]);
	216	}
	217	/* Interrupts [42:0] are from the motherboard;
	218	* [47:43] are reserved; [63:48] are daughterboard
	219	* peripherals. Note that some documentation numbers
	220	* external interrupts starting from 32 (because the
	221	* A9MP has internal interrupts 0..31).
	222	*/
	223	for (n = 0; n < 64; n++) {
	224	pic[n] = qdev_get_gpio_in(dev, n);
	225	}
	226
4c3b29b8 PM	227	/* Daughterboard peripherals : 0x10020000 .. 0x20000000 */
	228
	229	/* 0x10020000 PL111 CLCD (daughterboard) */
	230	sysbus_create_simple("pl111", 0x10020000, pic[44]);
	231
	232	/* 0x10060000 AXI RAM */
	233	/* 0x100e0000 PL341 Dynamic Memory Controller */
	234	/* 0x100e1000 PL354 Static Memory Controller */
	235	/* 0x100e2000 System Configuration Controller */
	236
	237	sysbus_create_simple("sp804", 0x100e4000, pic[48]);
	238	/* 0x100e5000 SP805 Watchdog module */
	239	/* 0x100e6000 BP147 TrustZone Protection Controller */
	240	/* 0x100e9000 PL301 'Fast' AXI matrix */
	241	/* 0x100ea000 PL301 'Slow' AXI matrix */
	242	/* 0x100ec000 TrustZone Address Space Controller */
	243	/* 0x10200000 CoreSight debug APB */
	244	/* 0x1e00a000 PL310 L2 Cache Controller */
	245	sysbus_create_varargs("l2x0", 0x1e00a000, NULL);
	246	}
	247
	248	static const VEDBoardInfo a9_daughterboard = {
	249	.motherboard_map = motherboard_legacy_map,
	250	.loader_start = 0x60000000,
96eacf64	251	.gic_cpu_if_addr = 0x1e000100,
4c3b29b8 PM	252	.init = a9_daughterboard_init,
	253	};
	254
961f195e PM	255	static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
	256	ram_addr_t ram_size,
	257	const char *cpu_model,
	258	qemu_irq pic, uint32_t proc_id)
	259	{
	260	int n;
961f195e PM	261	MemoryRegion *sysmem = get_system_memory();
	262	MemoryRegion *ram = g_new(MemoryRegion, 1);
	263	MemoryRegion *sram = g_new(MemoryRegion, 1);
	264	qemu_irq cpu_irq[4];
	265	DeviceState *dev;
	266	SysBusDevice *busdev;
	267
	268	if (!cpu_model) {
	269	cpu_model = "cortex-a15";
	270	}
	271
	272	*proc_id = 0x14000217;
	273
	274	for (n = 0; n < smp_cpus; n++) {
64c9e297	275	ARMCPU *cpu;
961f195e	276	qemu_irq *irqp;
64c9e297 AF	277
	278	cpu = cpu_arm_init(cpu_model);
	279	if (!cpu) {
961f195e PM	280	fprintf(stderr, "Unable to find CPU definition\n");
	281	exit(1);
	282	}
4bd74661	283	irqp = arm_pic_init_cpu(cpu);
961f195e PM	284	cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
	285	}
	286
	287	if (ram_size > 0x80000000) {
	288	fprintf(stderr, "vexpress-a15: cannot model more than 2GB RAM\n");
	289	exit(1);
	290	}
	291
	292	memory_region_init_ram(ram, "vexpress.highmem", ram_size);
	293	vmstate_register_ram_global(ram);
	294	/* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */
	295	memory_region_add_subregion(sysmem, 0x80000000, ram);
	296
	297	/* 0x2c000000 A15MPCore private memory region (GIC) */
	298	dev = qdev_create(NULL, "a15mpcore_priv");
	299	qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
	300	qdev_init_nofail(dev);
	301	busdev = sysbus_from_qdev(dev);
	302	sysbus_mmio_map(busdev, 0, 0x2c000000);
	303	for (n = 0; n < smp_cpus; n++) {
	304	sysbus_connect_irq(busdev, n, cpu_irq[n]);
	305	}
	306	/* Interrupts [42:0] are from the motherboard;
	307	* [47:43] are reserved; [63:48] are daughterboard
	308	* peripherals. Note that some documentation numbers
	309	* external interrupts starting from 32 (because there
	310	* are internal interrupts 0..31).
	311	*/
	312	for (n = 0; n < 64; n++) {
	313	pic[n] = qdev_get_gpio_in(dev, n);
	314	}
	315
	316	/* A15 daughterboard peripherals: */
	317
	318	/* 0x20000000: CoreSight interfaces: not modelled */
	319	/* 0x2a000000: PL301 AXI interconnect: not modelled */
	320	/* 0x2a420000: SCC: not modelled */
	321	/* 0x2a430000: system counter: not modelled */
	322	/* 0x2b000000: HDLCD controller: not modelled */
	323	/* 0x2b060000: SP805 watchdog: not modelled */
	324	/* 0x2b0a0000: PL341 dynamic memory controller: not modelled */
	325	/* 0x2e000000: system SRAM */
	326	memory_region_init_ram(sram, "vexpress.a15sram", 0x10000);
	327	vmstate_register_ram_global(sram);
	328	memory_region_add_subregion(sysmem, 0x2e000000, sram);
	329
	330	/* 0x7ffb0000: DMA330 DMA controller: not modelled */
	331	/* 0x7ffd0000: PL354 static memory controller: not modelled */
	332	}
	333
	334	static const VEDBoardInfo a15_daughterboard = {
	335	.motherboard_map = motherboard_aseries_map,
	336	.loader_start = 0x80000000,
	337	.gic_cpu_if_addr = 0x2c002000,
	338	.init = a15_daughterboard_init,
	339	};
	340
4c3b29b8 PM	341	static void vexpress_common_init(const VEDBoardInfo *daughterboard,
	342	ram_addr_t ram_size,
	343	const char *boot_device,
	344	const char *kernel_filename,
	345	const char *kernel_cmdline,
	346	const char *initrd_filename,
	347	const char *cpu_model)
	348	{
	349	DeviceState dev, sysctl, *pl041;
	350	qemu_irq pic[64];
	351	uint32_t proc_id;
	352	uint32_t sys_id;
	353	ram_addr_t vram_size, sram_size;
	354	MemoryRegion *sysmem = get_system_memory();
	355	MemoryRegion *vram = g_new(MemoryRegion, 1);
	356	MemoryRegion *sram = g_new(MemoryRegion, 1);
	357	const target_phys_addr_t *map = daughterboard->motherboard_map;
	358
	359	daughterboard->init(daughterboard, ram_size, cpu_model, pic, &proc_id);
	360
2558e0a6 PM	361	/* Motherboard peripherals: the wiring is the same but the
	362	* addresses vary between the legacy and A-Series memory maps.
	363	*/
	364
2055283b	365	sys_id = 0x1190f500;
2055283b	366
2055283b PM	367	sysctl = qdev_create(NULL, "realview_sysctl");
2055283b PM	368	qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
2055283b	369	qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
7a65c8cc	370	qdev_init_nofail(sysctl);
2558e0a6 PM	371	sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, map[VE_SYSREGS]);
	372
	373	/* VE_SP810: not modelled */
	374	/* VE_SERIALPCI: not modelled */
2055283b	375
03a0e944 PM	376	pl041 = qdev_create(NULL, "pl041");
	377	qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
	378	qdev_init_nofail(pl041);
2558e0a6	379	sysbus_mmio_map(sysbus_from_qdev(pl041), 0, map[VE_PL041]);
03a0e944	380	sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[11]);
2055283b	381
2558e0a6	382	dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL);
2055283b PM	383	/* Wire up MMC card detect and read-only signals */
	384	qdev_connect_gpio_out(dev, 0,
	385	qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT));
	386	qdev_connect_gpio_out(dev, 1,
	387	qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN));
	388
2558e0a6 PM	389	sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]);
2558e0a6 PM	390	sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]);
2055283b	391
2558e0a6 PM	392	sysbus_create_simple("pl011", map[VE_UART0], pic[5]);
	393	sysbus_create_simple("pl011", map[VE_UART1], pic[6]);
	394	sysbus_create_simple("pl011", map[VE_UART2], pic[7]);
	395	sysbus_create_simple("pl011", map[VE_UART3], pic[8]);
2055283b	396
2558e0a6 PM	397	sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]);
2558e0a6 PM	398	sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);
2055283b	399
2558e0a6	400	/* VE_SERIALDVI: not modelled */
2055283b	401
2558e0a6	402	sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */
2055283b	403
2558e0a6	404	/* VE_COMPACTFLASH: not modelled */
2055283b	405
b7206878	406	sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);
2055283b	407
2558e0a6 PM	408	/* VE_NORFLASH0: not modelled */
	409	/* VE_NORFLASH0ALIAS: not modelled */
	410	/* VE_NORFLASH1: not modelled */
	411
2055283b	412	sram_size = 0x2000000;
c5705a77 AK	413	memory_region_init_ram(sram, "vexpress.sram", sram_size);
c5705a77 AK	414	vmstate_register_ram_global(sram);
2558e0a6	415	memory_region_add_subregion(sysmem, map[VE_SRAM], sram);
2055283b	416
2055283b	417	vram_size = 0x800000;
c5705a77 AK	418	memory_region_init_ram(vram, "vexpress.vram", vram_size);
c5705a77 AK	419	vmstate_register_ram_global(vram);
2558e0a6	420	memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram);
2055283b PM	421
	422	/* 0x4e000000 LAN9118 Ethernet */
	423	if (nd_table[0].vlan) {
2558e0a6	424	lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]);
2055283b PM	425	}
2055283b PM	426
2558e0a6 PM	427	/* VE_USB: not modelled */
	428
	429	/* VE_DAPROM: not modelled */
2055283b	430
2055283b PM	431	vexpress_binfo.ram_size = ram_size;
	432	vexpress_binfo.kernel_filename = kernel_filename;
	433	vexpress_binfo.kernel_cmdline = kernel_cmdline;
	434	vexpress_binfo.initrd_filename = initrd_filename;
	435	vexpress_binfo.nb_cpus = smp_cpus;
	436	vexpress_binfo.board_id = VEXPRESS_BOARD_ID;
4c3b29b8	437	vexpress_binfo.loader_start = daughterboard->loader_start;
aac1e02c	438	vexpress_binfo.smp_loader_start = map[VE_SRAM];
2558e0a6	439	vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
96eacf64	440	vexpress_binfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
3aaa8dfa	441	arm_load_kernel(arm_env_get_cpu(first_cpu), &vexpress_binfo);
2055283b PM	442	}
2055283b PM	443
4c3b29b8 PM	444	static void vexpress_a9_init(ram_addr_t ram_size,
	445	const char *boot_device,
	446	const char *kernel_filename,
	447	const char *kernel_cmdline,
	448	const char *initrd_filename,
	449	const char *cpu_model)
	450	{
	451	vexpress_common_init(&a9_daughterboard,
	452	ram_size, boot_device, kernel_filename,
	453	kernel_cmdline, initrd_filename, cpu_model);
	454	}
2055283b	455
961f195e PM	456	static void vexpress_a15_init(ram_addr_t ram_size,
	457	const char *boot_device,
	458	const char *kernel_filename,
	459	const char *kernel_cmdline,
	460	const char *initrd_filename,
	461	const char *cpu_model)
	462	{
	463	vexpress_common_init(&a15_daughterboard,
	464	ram_size, boot_device, kernel_filename,
	465	kernel_cmdline, initrd_filename, cpu_model);
	466	}
	467
2055283b PM	468	static QEMUMachine vexpress_a9_machine = {
	469	.name = "vexpress-a9",
	470	.desc = "ARM Versatile Express for Cortex-A9",
	471	.init = vexpress_a9_init,
	472	.use_scsi = 1,
	473	.max_cpus = 4,
	474	};
	475
961f195e PM	476	static QEMUMachine vexpress_a15_machine = {
	477	.name = "vexpress-a15",
	478	.desc = "ARM Versatile Express for Cortex-A15",
	479	.init = vexpress_a15_init,
	480	.use_scsi = 1,
	481	.max_cpus = 4,
	482	};
	483
2055283b PM	484	static void vexpress_machine_init(void)
	485	{
	486	qemu_register_machine(&vexpress_a9_machine);
961f195e	487	qemu_register_machine(&vexpress_a15_machine);
2055283b PM	488	}
	489
	490	machine_init(vexpress_machine_init);