Archipelago » qemu

/*

 * PXA270-based Intel Mainstone platforms.

 *

 * Copyright (c) 2007 by Armin Kuster <akuster@kama-aina.net> or

 *                                    <akuster@mvista.com>

 *

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

 *

 * This code is licensed under the GNU GPL v2.

 *

 * Contributions after 2012-01-13 are licensed under the terms of the

 * GNU GPL, version 2 or (at your option) any later version.

 */

#include "hw.h"

#include "pxa.h"

#include "arm-misc.h"

#include "net.h"

#include "devices.h"

#include "boards.h"

#include "flash.h"

#include "blockdev.h"

#include "sysbus.h"

#include "exec-memory.h"

/* Device addresses */

#define MST_FPGA_PHYS        0x08000000

#define MST_ETH_PHYS        0x10000300

#define MST_FLASH_0                0x00000000

#define MST_FLASH_1                0x04000000

/* IRQ definitions */

#define MMC_IRQ       0

#define USIM_IRQ      1

#define USBC_IRQ      2

#define ETHERNET_IRQ  3

#define AC97_IRQ      4

#define PEN_IRQ       5

#define MSINS_IRQ     6

#define EXBRD_IRQ     7

#define S0_CD_IRQ     9

#define S0_STSCHG_IRQ 10

#define S0_IRQ        11

#define S1_CD_IRQ     13

#define S1_STSCHG_IRQ 14

#define S1_IRQ        15

static struct keymap map[0xE0] = {

    [0 ... 0xDF] = { -1, -1 },

    [0x1e] = {0,0}, /* a */

    [0x30] = {0,1}, /* b */

    [0x2e] = {0,2}, /* c */

    [0x20] = {0,3}, /* d */

    [0x12] = {0,4}, /* e */

    [0x21] = {0,5}, /* f */

    [0x22] = {1,0}, /* g */

    [0x23] = {1,1}, /* h */

    [0x17] = {1,2}, /* i */

    [0x24] = {1,3}, /* j */

    [0x25] = {1,4}, /* k */

    [0x26] = {1,5}, /* l */

    [0x32] = {2,0}, /* m */

    [0x31] = {2,1}, /* n */

    [0x18] = {2,2}, /* o */

    [0x19] = {2,3}, /* p */

    [0x10] = {2,4}, /* q */

    [0x13] = {2,5}, /* r */

    [0x1f] = {3,0}, /* s */

    [0x14] = {3,1}, /* t */

    [0x16] = {3,2}, /* u */

    [0x2f] = {3,3}, /* v */

    [0x11] = {3,4}, /* w */

    [0x2d] = {3,5}, /* x */

    [0x15] = {4,2}, /* y */

    [0x2c] = {4,3}, /* z */

    [0xc7] = {5,0}, /* Home */

    [0x2a] = {5,1}, /* shift */

    [0x39] = {5,2}, /* space */

    [0x39] = {5,3}, /* space */

    [0x1c] = {5,5}, /*  enter */

    [0xc8] = {6,0}, /* up */

    [0xd0] = {6,1}, /* down */

    [0xcb] = {6,2}, /* left */

    [0xcd] = {6,3}, /* right */

};

enum mainstone_model_e { mainstone };

#define MAINSTONE_RAM        0x04000000

#define MAINSTONE_ROM        0x00800000

#define MAINSTONE_FLASH        0x02000000

static struct arm_boot_info mainstone_binfo = {

    .loader_start = PXA2XX_SDRAM_BASE,

    .ram_size = 0x04000000,

};

static void mainstone_common_init(MemoryRegion *address_space_mem,

                ram_addr_t ram_size,

                const char *kernel_filename,

                const char *kernel_cmdline, const char *initrd_filename,

                const char *cpu_model, enum mainstone_model_e model, int arm_id)

{

    uint32_t sector_len = 256 * 1024;

    target_phys_addr_t mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };

    PXA2xxState *mpu;

    DeviceState *mst_irq;

    DriveInfo *dinfo;

    int i;

    int be;

    MemoryRegion *rom = g_new(MemoryRegion, 1);

    if (!cpu_model)

        cpu_model = "pxa270-c5";

    /* Setup CPU & memory */

    mpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size, cpu_model);

    memory_region_init_ram(rom, "mainstone.rom", MAINSTONE_ROM);

    vmstate_register_ram_global(rom);

    memory_region_set_readonly(rom, true);

    memory_region_add_subregion(address_space_mem, 0, rom);

#ifdef TARGET_WORDS_BIGENDIAN

    be = 1;

#else

    be = 0;

#endif

    /* There are two 32MiB flash devices on the board */

    for (i = 0; i < 2; i ++) {

        dinfo = drive_get(IF_PFLASH, 0, i);

        if (!dinfo) {

            fprintf(stderr, "Two flash images must be given with the "

                    "'pflash' parameter\n");

            exit(1);

        }

        if (!pflash_cfi01_register(mainstone_flash_base[i], NULL,

                                   i ? "mainstone.flash1" : "mainstone.flash0",

                                   MAINSTONE_FLASH,

                                   dinfo->bdrv, sector_len,

                                   MAINSTONE_FLASH / sector_len, 4, 0, 0, 0, 0,

                                   be)) {

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

            exit(1);

        }

    }

    mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS,

                    qdev_get_gpio_in(mpu->gpio, 0));

    /* setup keypad */

    printf("map addr %p\n", &map);

    pxa27x_register_keypad(mpu->kp, map, 0xe0);

    /* MMC/SD host */

    pxa2xx_mmci_handlers(mpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));

    pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[0],

            qdev_get_gpio_in(mst_irq, S0_IRQ),

            qdev_get_gpio_in(mst_irq, S0_CD_IRQ));

    pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[1],

            qdev_get_gpio_in(mst_irq, S1_IRQ),

            qdev_get_gpio_in(mst_irq, S1_CD_IRQ));

    smc91c111_init(&nd_table[0], MST_ETH_PHYS,

                    qdev_get_gpio_in(mst_irq, ETHERNET_IRQ));

    mainstone_binfo.kernel_filename = kernel_filename;

    mainstone_binfo.kernel_cmdline = kernel_cmdline;

    mainstone_binfo.initrd_filename = initrd_filename;

    mainstone_binfo.board_id = arm_id;

    arm_load_kernel(mpu->cpu, &mainstone_binfo);

}

static void mainstone_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)

{

    mainstone_common_init(get_system_memory(), ram_size, kernel_filename,

                kernel_cmdline, initrd_filename, cpu_model, mainstone, 0x196);

}

static QEMUMachine mainstone2_machine = {

    .name = "mainstone",

    .desc = "Mainstone II (PXA27x)",

    .init = mainstone_init,

};

static void mainstone_machine_init(void)

{

    qemu_register_machine(&mainstone2_machine);

}

machine_init(mainstone_machine_init);