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 "sysemu.h"

#include "devices.h"

#include "boards.h"

static const int sector_len = 128 * 1024;

static void connex_init(int ram_size, int vga_ram_size,

                const char *boot_device, DisplayState *ds,

                const char *kernel_filename, const char *kernel_cmdline,

                const char *initrd_filename, const char *cpu_model)

{

    struct pxa2xx_state_s *cpu;

    int index;

    uint32_t connex_rom = 0x01000000;

    uint32_t connex_ram = 0x04000000;

    if (ram_size < (connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE)) {

        fprintf(stderr, "This platform requires %i bytes of memory\n",

                connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE);

        exit(1);

    }

    cpu = pxa255_init(connex_ram, ds);

    index = drive_get_index(IF_PFLASH, 0, 0);

    if (index == -1) {

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

                "'pflash' parameter\n");

        exit(1);

    }

    if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(connex_rom),

            drives_table[index].bdrv, sector_len, connex_rom / sector_len,

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

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

        exit(1);

    }

    cpu->env->regs[15] = 0x00000000;

    /* Interrupt lines of the NICs are connected to GPIO lines 36 and 27 */

    smc91c111_init(&nd_table[0], 0x04000300,

                    pxa2xx_gpio_in_get(cpu->gpio)[36]);

    smc91c111_init(&nd_table[1], 0x08000300,

                    pxa2xx_gpio_in_get(cpu->gpio)[36]);

}

static void verdex_init(int ram_size, int vga_ram_size,

                const char *boot_device, DisplayState *ds,

                const char *kernel_filename, const char *kernel_cmdline,

                const char *initrd_filename, const char *cpu_model)

{

    struct pxa2xx_state_s *cpu;

    int index;

    uint32_t verdex_rom = 0x02000000;

    uint32_t verdex_ram = 0x10000000;

    if (ram_size < (verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE)) {

        fprintf(stderr, "This platform requires %i bytes of memory\n",

                verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE);

        exit(1);

    }

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

    index = drive_get_index(IF_PFLASH, 0, 0);

    if (index == -1) {

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

                "'pflash' parameter\n");

        exit(1);

    }

    if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(verdex_rom),

            drives_table[index].bdrv, sector_len, verdex_rom / sector_len,

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

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

        exit(1);

    }

    cpu->env->regs[15] = 0x00000000;

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

    smc91c111_init(&nd_table[0], 0x04000300,

                    pxa2xx_gpio_in_get(cpu->gpio)[99]);

}

QEMUMachine connex_machine = {

    "connex",

    "Gumstix Connex (PXA255)",

    connex_init,

};

QEMUMachine verdex_machine = {

    "verdex",

    "Gumstix Verdex (PXA270)",

    verdex_init,

};