Archipelago » qemu

/*

 * Gumstix Platforms

 *

 * Copyright (c) 2007 by Thorsten Zitterell <info@bitmux.org>

 *

 * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>

 *

 * This code is licensed under the GNU GPL v2.

 */

/* 

 * Example usage:

 * 

 * connex:

 * =======

 * create image:

 * # dd of=flash bs=1k count=16k if=/dev/zero

 * # dd of=flash bs=1k conv=notrunc if=u-boot.bin

 * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2

 * start it:

 * # qemu-system-arm -M connex -pflash flash -monitor null -nographic

 *

 * verdex:

 * =======

 * create image:

 * # dd of=flash bs=1k count=32k if=/dev/zero

 * # dd of=flash bs=1k conv=notrunc if=u-boot.bin

 * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2

 * # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage

 * start it:

 * # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289

 */

#include "hw.h"

#include "pxa.h"

#include "net.h"

#include "flash.h"

#include "devices.h"

#include "boards.h"

#include "blockdev.h"

#include "exec-memory.h"

static const int sector_len = 128 * 1024;

static void connex_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)

{

    PXA2xxState *cpu;

    DriveInfo *dinfo;

    int be;

    MemoryRegion *address_space_mem = get_system_memory();

    uint32_t connex_rom = 0x01000000;

    uint32_t connex_ram = 0x04000000;

    cpu = pxa255_init(address_space_mem, connex_ram);

    dinfo = drive_get(IF_PFLASH, 0, 0);

    if (!dinfo) {

        fprintf(stderr, "A flash image must be given with the "

                "'pflash' parameter\n");

        exit(1);

    }

#ifdef TARGET_WORDS_BIGENDIAN

    be = 1;

#else

    be = 0;

#endif

    if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,

                               dinfo->bdrv, sector_len, connex_rom / sector_len,

                               2, 0, 0, 0, 0, be)) {

        fprintf(stderr, "qemu: Error registering flash memory.\n");

        exit(1);

    }

    /* Interrupt line of NIC is connected to GPIO line 36 */

    smc91c111_init(&nd_table[0], 0x04000300,

                    qdev_get_gpio_in(cpu->gpio, 36));

}

static void verdex_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)

{

    PXA2xxState *cpu;

    DriveInfo *dinfo;

    int be;

    MemoryRegion *address_space_mem = get_system_memory();

    uint32_t verdex_rom = 0x02000000;

    uint32_t verdex_ram = 0x10000000;

    cpu = pxa270_init(address_space_mem, verdex_ram, cpu_model ?: "pxa270-c0");

    dinfo = drive_get(IF_PFLASH, 0, 0);

    if (!dinfo) {

        fprintf(stderr, "A flash image must be given with the "

                "'pflash' parameter\n");

        exit(1);

    }

#ifdef TARGET_WORDS_BIGENDIAN

    be = 1;

#else

    be = 0;

#endif

    if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom,

                               dinfo->bdrv, sector_len, verdex_rom / sector_len,

                               2, 0, 0, 0, 0, be)) {

        fprintf(stderr, "qemu: Error registering flash memory.\n");

        exit(1);

    }

    /* Interrupt line of NIC is connected to GPIO line 99 */

    smc91c111_init(&nd_table[0], 0x04000300,

                    qdev_get_gpio_in(cpu->gpio, 99));

}

static QEMUMachine connex_machine = {

    .name = "connex",

    .desc = "Gumstix Connex (PXA255)",

    .init = connex_init,

};

static QEMUMachine verdex_machine = {

    .name = "verdex",

    .desc = "Gumstix Verdex (PXA270)",

    .init = verdex_init,

};

static void gumstix_machine_init(void)

{

    qemu_register_machine(&connex_machine);

    qemu_register_machine(&verdex_machine);

}

machine_init(gumstix_machine_init);