i.MX: Add the i.MX25 PDK platform

obj-$(CONFIG_ALLWINNER_A10) += allwinner-a10.o cubieboard.o

obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o

obj-$(CONFIG_XLNX_ZYNQMP) += xlnx-zynqmp.o xlnx-ep108.o

obj-$(CONFIG_FSL_IMX25) += fsl-imx25.o

obj-$(CONFIG_FSL_IMX25) += fsl-imx25.o imx25_pdk.o

obj-$(CONFIG_FSL_IMX31) += fsl-imx31.o kzm.o

/*

 * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>

 *

 * PDK Board System emulation.

 *

 * Based on hw/arm/kzm.c

 *

 * Copyright (c) 2008 OKL and 2011 NICTA

 * Written by Hans at OK-Labs

 * Updated by Peter Chubb.

 *

 *  This program is free software; you can redistribute it and/or modify it

 *  under the terms of the GNU General Public License as published by the

 *  Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  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/>.

 */

#include "hw/arm/fsl-imx25.h"

#include "hw/boards.h"

#include "qemu/error-report.h"

#include "exec/address-spaces.h"

#include "sysemu/qtest.h"

#include "hw/i2c/i2c.h"

/* Memory map for PDK Emulation Baseboard:

 * 0x00000000-0x7fffffff See i.MX25 SOC fr support

 * 0x80000000-0x87ffffff RAM + Alias          EMULATED

 * 0x90000000-0x9fffffff RAM + Alias          EMULATED

 * 0xa0000000-0xa7ffffff Flash                IGNORED

 * 0xa8000000-0xafffffff Flash                IGNORED

 * 0xb0000000-0xb1ffffff SRAM                 IGNORED

 * 0xb2000000-0xb3ffffff SRAM                 IGNORED

 * 0xb4000000-0xb5ffffff CS4                  IGNORED

 * 0xb6000000-0xb8000fff Reserved             IGNORED

 * 0xb8001000-0xb8001fff SDRAM CTRL reg       IGNORED

 * 0xb8002000-0xb8002fff WEIM CTRL reg        IGNORED

 * 0xb8003000-0xb8003fff M3IF CTRL reg        IGNORED

 * 0xb8004000-0xb8004fff EMI CTRL reg         IGNORED

 * 0xb8005000-0xbaffffff Reserved             IGNORED

 * 0xbb000000-0xbb000fff NAND flash area buf  IGNORED

 * 0xbb001000-0xbb0011ff NAND flash reserved  IGNORED

 * 0xbb001200-0xbb001dff Reserved             IGNORED

 * 0xbb001e00-0xbb001fff NAN flash CTRL reg   IGNORED

 * 0xbb012000-0xbfffffff Reserved             IGNORED

 * 0xc0000000-0xffffffff Reserved             IGNORED

 */

typedef struct IMX25PDK {

    FslIMX25State soc;

    MemoryRegion ram;

    MemoryRegion ram_alias;

} IMX25PDK;

static struct arm_boot_info imx25_pdk_binfo;

static void imx25_pdk_init(MachineState *machine)

{

    IMX25PDK *s = g_new0(IMX25PDK, 1);

    Error *err = NULL;

    unsigned int ram_size;

    unsigned int alias_offset;

    int i;

    object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX25);

    object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),

                              &error_abort);

    object_property_set_bool(OBJECT(&s->soc), true, "realized", &err);

    if (err != NULL) {

        error_report("%s", error_get_pretty(err));

        exit(1);

    }

    /* We need to initialize our memory */

    if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) {

        error_report("WARNING: RAM size " RAM_ADDR_FMT " above max supported, "

                     "reduced to %x", machine->ram_size,

                     FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE);

        machine->ram_size = FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE;

    }

    memory_region_allocate_system_memory(&s->ram, NULL, "imx25.ram",

                                         machine->ram_size);

    memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR,

                                &s->ram);

    /* initialize the alias memory if any */

    for (i = 0, ram_size = machine->ram_size, alias_offset = 0;

         (i < 2) && ram_size; i++) {

        unsigned int size;

        static const struct {

            hwaddr addr;

            unsigned int size;

        } ram[2] = {

            { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE },

            { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE },

        };

        size = MIN(ram_size, ram[i].size);

        ram_size -= size;

        if (size < ram[i].size) {

            memory_region_init_alias(&s->ram_alias, NULL, "ram.alias",

                                     &s->ram, alias_offset, ram[i].size - size);

            memory_region_add_subregion(get_system_memory(),

                                        ram[i].addr + size, &s->ram_alias);

        }

        alias_offset += ram[i].size;

    }

    imx25_pdk_binfo.ram_size = machine->ram_size;

    imx25_pdk_binfo.kernel_filename = machine->kernel_filename;

    imx25_pdk_binfo.kernel_cmdline = machine->kernel_cmdline;

    imx25_pdk_binfo.initrd_filename = machine->initrd_filename;

    imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR;

    imx25_pdk_binfo.board_id = 1771,

    imx25_pdk_binfo.nb_cpus = 1;

    /*

     * We test explicitly for qtest here as it is not done (yet?) in

     * arm_load_kernel(). Without this the "make check" command would

     * fail.

     */

    if (!qtest_enabled()) {

        arm_load_kernel(&s->soc.cpu, &imx25_pdk_binfo);

    } else {

        /*

         * This I2C device doesn't exist on the real board.

         * We add it here (only on qtest usage) to be able to do a bit

         * of simple qtest. See "make check" for details.

         */

        i2c_create_slave((I2CBus *)qdev_get_child_bus(DEVICE(&s->soc.i2c[0]),

                                                      "i2c"),

                         "ds1338", 0x68);

    }

}

static QEMUMachine imx25_pdk_machine = {

    .name = "imx25_pdk",

    .desc = "ARM i.MX25 PDK board (ARM926)",

    .init = imx25_pdk_init,

};

static void imx25_pdk_machine_init(void)

{

    qemu_register_machine(&imx25_pdk_machine);

}

machine_init(imx25_pdk_machine_init)