hw/arm/palm.c - third_party/qemu - Git at Google

 /*
  * PalmOne's (TM) PDAs.
  *
  * Copyright (C) 2006-2007 Andrzej Zaborowski  <balrog@zabor.org>
  *
  * 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 or
  * (at your option) version 3 of the License.
  *
  * 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 "qemu/osdep.h"
 #include "qapi/error.h"
 #include "audio/audio.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/qtest.h"
 #include "ui/console.h"
 #include "hw/arm/omap.h"
 #include "hw/boards.h"
 #include "hw/arm/boot.h"
 #include "hw/input/tsc2xxx.h"
 #include "hw/irq.h"
 #include "hw/loader.h"
 #include "cpu.h"
 #include "qemu/cutils.h"
 #include "qom/object.h"

 static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
 {
     uint32_t *val = (uint32_t *)opaque;
     uint32_t sizemask = 7 >> size;

     return *val >> ((offset & sizemask) << 3);
 }

 static void static_write(void *opaque, hwaddr offset, uint64_t value,
                          unsigned size)
 {
 #ifdef SPY
     printf("%s: value %08lx written at " PA_FMT "\n",
                     __func__, value, offset);
 #endif
 }

 static const MemoryRegionOps static_ops = {
     .read = static_read,
     .write = static_write,
     .valid.min_access_size = 1,
     .valid.max_access_size = 4,
     .endianness = DEVICE_NATIVE_ENDIAN,
 };

 /* Palm Tunsgten|E support */

 /* Shared GPIOs */
 #define PALMTE_USBDETECT_GPIO   0
 #define PALMTE_USB_OR_DC_GPIO   1
 #define PALMTE_TSC_GPIO                 4
 #define PALMTE_PINTDAV_GPIO     6
 #define PALMTE_MMC_WP_GPIO      8
 #define PALMTE_MMC_POWER_GPIO   9
 #define PALMTE_HDQ_GPIO                 11
 #define PALMTE_HEADPHONES_GPIO  14
 #define PALMTE_SPEAKER_GPIO     15
 /* MPU private GPIOs */
 #define PALMTE_DC_GPIO          2
 #define PALMTE_MMC_SWITCH_GPIO  4
 #define PALMTE_MMC1_GPIO        6
 #define PALMTE_MMC2_GPIO        7
 #define PALMTE_MMC3_GPIO        11

 static MouseTransformInfo palmte_pointercal = {
     .x = 320,
     .y = 320,
     .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
 };

 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
 {
     uWireSlave *tsc;

     tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));

     omap_uwire_attach(cpu->microwire, tsc, 0);
     omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));

     tsc210x_set_transform(tsc, &palmte_pointercal);
 }

 static struct {
     int row;
     int column;
 } palmte_keymap[0x80] = {
     [0 ... 0x7f] = { -1, -1 },
     [0x3b] = { 0, 0 },  /* F1   -> Calendar */
     [0x3c] = { 1, 0 },  /* F2   -> Contacts */
     [0x3d] = { 2, 0 },  /* F3   -> Tasks List */
     [0x3e] = { 3, 0 },  /* F4   -> Note Pad */
     [0x01] = { 4, 0 },  /* Esc  -> Power */
     [0x4b] = { 0, 1 },  /*         Left */
     [0x50] = { 1, 1 },  /*         Down */
     [0x48] = { 2, 1 },  /*         Up */
     [0x4d] = { 3, 1 },  /*         Right */
     [0x4c] = { 4, 1 },  /*         Centre */
     [0x39] = { 4, 1 },  /* Spc  -> Centre */
 };

 static void palmte_button_event(void *opaque, int keycode)
 {
     struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;

     if (palmte_keymap[keycode & 0x7f].row != -1)
         omap_mpuio_key(cpu->mpuio,
                         palmte_keymap[keycode & 0x7f].row,
                         palmte_keymap[keycode & 0x7f].column,
                         !(keycode & 0x80));
 }

 /*
  * Encapsulation of some GPIO line behaviour for the Palm board
  *
  * QEMU interface:
  *  + unnamed GPIO inputs 0..6: for the various miscellaneous input lines
  */

 #define TYPE_PALM_MISC_GPIO "palm-misc-gpio"
 OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO)

 struct PalmMiscGPIOState {
     SysBusDevice parent_obj;
 };

 static void palmte_onoff_gpios(void *opaque, int line, int level)
 {
     switch (line) {
     case 0:
         printf("%s: current to MMC/SD card %sabled.\n",
                         __func__, level ? "dis" : "en");
         break;
     case 1:
         printf("%s: internal speaker amplifier %s.\n",
                         __func__, level ? "down" : "on");
         break;

     /* These LCD & Audio output signals have not been identified yet.  */
     case 2:
     case 3:
     case 4:
         printf("%s: LCD GPIO%i %s.\n",
                         __func__, line - 1, level ? "high" : "low");
         break;
     case 5:
     case 6:
         printf("%s: Audio GPIO%i %s.\n",
                         __func__, line - 4, level ? "high" : "low");
         break;
     }
 }

 static void palm_misc_gpio_init(Object *obj)
 {
     DeviceState *dev = DEVICE(obj);

     qdev_init_gpio_in(dev, palmte_onoff_gpios, 7);
 }

 static const TypeInfo palm_misc_gpio_info = {
     .name = TYPE_PALM_MISC_GPIO,
     .parent = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(PalmMiscGPIOState),
     .instance_init = palm_misc_gpio_init,
     /*
      * No class init required: device has no internal state so does not
      * need to set up reset or vmstate, and has no realize method.
      */
 };

 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
 {
     DeviceState *misc_gpio;

     misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL);

     omap_mmc_handlers(cpu->mmc,
                     qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
                     qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
                             [PALMTE_MMC_SWITCH_GPIO]));

     qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO,
                           qdev_get_gpio_in(misc_gpio, 0));
     qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO,
                           qdev_get_gpio_in(misc_gpio, 1));
     qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2));
     qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3));
     qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4));
     omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5));
     omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6));

     /* Reset some inputs to initial state.  */
     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
     qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
     qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
     qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
     qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
 }

 static struct arm_boot_info palmte_binfo = {
     .loader_start = OMAP_EMIFF_BASE,
     .ram_size = 0x02000000,
     .board_id = 0x331,
 };

 static void palmte_init(MachineState *machine)
 {
     MemoryRegion *address_space_mem = get_system_memory();
     struct omap_mpu_state_s *mpu;
     int flash_size = 0x00800000;
     static uint32_t cs0val = 0xffffffff;
     static uint32_t cs1val = 0x0000e1a0;
     static uint32_t cs2val = 0x0000e1a0;
     static uint32_t cs3val = 0xe1a0e1a0;
     int rom_size, rom_loaded = 0;
     MachineClass *mc = MACHINE_GET_CLASS(machine);
     MemoryRegion *flash = g_new(MemoryRegion, 1);
     MemoryRegion *cs = g_new(MemoryRegion, 4);

     if (machine->ram_size != mc->default_ram_size) {
         char *sz = size_to_str(mc->default_ram_size);
         error_report("Invalid RAM size, should be %s", sz);
         g_free(sz);
         exit(EXIT_FAILURE);
     }

     memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE,
                                 machine->ram);

     mpu = omap310_mpu_init(machine->ram, machine->cpu_type);

     /* External Flash (EMIFS) */
     memory_region_init_rom(flash, NULL, "palmte.flash", flash_size,
                            &error_fatal);
     memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);

     memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
                           OMAP_CS0_SIZE - flash_size);
     memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
                                 &cs[0]);
     memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
                           OMAP_CS1_SIZE);
     memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
     memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
                           OMAP_CS2_SIZE);
     memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
     memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
                           OMAP_CS3_SIZE);
     memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);

     palmte_microwire_setup(mpu);

     qemu_add_kbd_event_handler(palmte_button_event, mpu);

     palmte_gpio_setup(mpu);

     /* Setup initial (reset) machine state */
     if (nb_option_roms) {
         rom_size = get_image_size(option_rom[0].name);
         if (rom_size > flash_size) {
             fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
                             __func__, rom_size, flash_size);
             rom_size = 0;
         }
         if (rom_size > 0) {
             rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
                                            flash_size);
             rom_loaded = 1;
         }
         if (rom_size < 0) {
             fprintf(stderr, "%s: error loading '%s'\n",
                             __func__, option_rom[0].name);
         }
     }

     if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
         fprintf(stderr, "Kernel or ROM image must be specified\n");
         exit(1);
     }

     /* Load the kernel.  */
     arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
 }

 static void palmte_machine_init(MachineClass *mc)
 {
     mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)";
     mc->init = palmte_init;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
     mc->default_ram_size = 0x02000000;
     mc->default_ram_id = "omap1.dram";
 }

 DEFINE_MACHINE("cheetah", palmte_machine_init)

 static void palm_register_types(void)
 {
     type_register_static(&palm_misc_gpio_info);
 }

 type_init(palm_register_types)
	/*
	* PalmOne's (TM) PDAs.
	*
	* Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
	*
	* 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 or
	* (at your option) version 3 of the License.
	*
	* 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 "qemu/osdep.h"
	#include "qapi/error.h"
	#include "audio/audio.h"
	#include "sysemu/sysemu.h"
	#include "sysemu/qtest.h"
	#include "ui/console.h"
	#include "hw/arm/omap.h"
	#include "hw/boards.h"
	#include "hw/arm/boot.h"
	#include "hw/input/tsc2xxx.h"
	#include "hw/irq.h"
	#include "hw/loader.h"
	#include "cpu.h"
	#include "qemu/cutils.h"
	#include "qom/object.h"

	static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
	{
	uint32_t val = (uint32_t )opaque;
	uint32_t sizemask = 7 >> size;

	return *val >> ((offset & sizemask) << 3);
	}

	static void static_write(void *opaque, hwaddr offset, uint64_t value,
	unsigned size)
	{
	#ifdef SPY
	printf("%s: value %08lx written at " PA_FMT "\n",
	__func__, value, offset);
	#endif
	}

	static const MemoryRegionOps static_ops = {
	.read = static_read,
	.write = static_write,
	.valid.min_access_size = 1,
	.valid.max_access_size = 4,
	.endianness = DEVICE_NATIVE_ENDIAN,
	};

	/* Palm Tunsgten\|E support */

	/* Shared GPIOs */
	#define PALMTE_USBDETECT_GPIO 0
	#define PALMTE_USB_OR_DC_GPIO 1
	#define PALMTE_TSC_GPIO 4
	#define PALMTE_PINTDAV_GPIO 6
	#define PALMTE_MMC_WP_GPIO 8
	#define PALMTE_MMC_POWER_GPIO 9
	#define PALMTE_HDQ_GPIO 11
	#define PALMTE_HEADPHONES_GPIO 14
	#define PALMTE_SPEAKER_GPIO 15
	/* MPU private GPIOs */
	#define PALMTE_DC_GPIO 2
	#define PALMTE_MMC_SWITCH_GPIO 4
	#define PALMTE_MMC1_GPIO 6
	#define PALMTE_MMC2_GPIO 7
	#define PALMTE_MMC3_GPIO 11

	static MouseTransformInfo palmte_pointercal = {
	.x = 320,
	.y = 320,
	.a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
	};

	static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
	{
	uWireSlave *tsc;

	tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));

	omap_uwire_attach(cpu->microwire, tsc, 0);
	omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));

	tsc210x_set_transform(tsc, &palmte_pointercal);
	}

	static struct {
	int row;
	int column;
	} palmte_keymap[0x80] = {
	[0 ... 0x7f] = { -1, -1 },
	[0x3b] = { 0, 0 }, /* F1 -> Calendar */
	[0x3c] = { 1, 0 }, /* F2 -> Contacts */
	[0x3d] = { 2, 0 }, /* F3 -> Tasks List */
	[0x3e] = { 3, 0 }, /* F4 -> Note Pad */
	[0x01] = { 4, 0 }, /* Esc -> Power */
	[0x4b] = { 0, 1 }, /* Left */
	[0x50] = { 1, 1 }, /* Down */
	[0x48] = { 2, 1 }, /* Up */
	[0x4d] = { 3, 1 }, /* Right */
	[0x4c] = { 4, 1 }, /* Centre */
	[0x39] = { 4, 1 }, /* Spc -> Centre */
	};

	static void palmte_button_event(void *opaque, int keycode)
	{
	struct omap_mpu_state_s cpu = (struct omap_mpu_state_s ) opaque;

	if (palmte_keymap[keycode & 0x7f].row != -1)
	omap_mpuio_key(cpu->mpuio,
	palmte_keymap[keycode & 0x7f].row,
	palmte_keymap[keycode & 0x7f].column,
	!(keycode & 0x80));
	}

	/*
	* Encapsulation of some GPIO line behaviour for the Palm board
	*
	* QEMU interface:
	* + unnamed GPIO inputs 0..6: for the various miscellaneous input lines
	*/

	#define TYPE_PALM_MISC_GPIO "palm-misc-gpio"
	OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO)

	struct PalmMiscGPIOState {
	SysBusDevice parent_obj;
	};

	static void palmte_onoff_gpios(void *opaque, int line, int level)
	{
	switch (line) {
	case 0:
	printf("%s: current to MMC/SD card %sabled.\n",
	__func__, level ? "dis" : "en");
	break;
	case 1:
	printf("%s: internal speaker amplifier %s.\n",
	__func__, level ? "down" : "on");
	break;

	/* These LCD & Audio output signals have not been identified yet. */
	case 2:
	case 3:
	case 4:
	printf("%s: LCD GPIO%i %s.\n",
	__func__, line - 1, level ? "high" : "low");
	break;
	case 5:
	case 6:
	printf("%s: Audio GPIO%i %s.\n",
	__func__, line - 4, level ? "high" : "low");
	break;
	}
	}

	static void palm_misc_gpio_init(Object *obj)
	{
	DeviceState *dev = DEVICE(obj);

	qdev_init_gpio_in(dev, palmte_onoff_gpios, 7);
	}

	static const TypeInfo palm_misc_gpio_info = {
	.name = TYPE_PALM_MISC_GPIO,
	.parent = TYPE_SYS_BUS_DEVICE,
	.instance_size = sizeof(PalmMiscGPIOState),
	.instance_init = palm_misc_gpio_init,
	/*
	* No class init required: device has no internal state so does not
	* need to set up reset or vmstate, and has no realize method.
	*/
	};

	static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
	{
	DeviceState *misc_gpio;

	misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL);

	omap_mmc_handlers(cpu->mmc,
	qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
	qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
	[PALMTE_MMC_SWITCH_GPIO]));

	qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO,
	qdev_get_gpio_in(misc_gpio, 0));
	qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO,
	qdev_get_gpio_in(misc_gpio, 1));
	qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2));
	qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3));
	qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4));
	omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5));
	omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6));

	/* Reset some inputs to initial state. */
	qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
	qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
	qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
	qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
	qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
	qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
	qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
	qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
	}

	static struct arm_boot_info palmte_binfo = {
	.loader_start = OMAP_EMIFF_BASE,
	.ram_size = 0x02000000,
	.board_id = 0x331,
	};

	static void palmte_init(MachineState *machine)
	{
	MemoryRegion *address_space_mem = get_system_memory();
	struct omap_mpu_state_s *mpu;
	int flash_size = 0x00800000;
	static uint32_t cs0val = 0xffffffff;
	static uint32_t cs1val = 0x0000e1a0;
	static uint32_t cs2val = 0x0000e1a0;
	static uint32_t cs3val = 0xe1a0e1a0;
	int rom_size, rom_loaded = 0;
	MachineClass *mc = MACHINE_GET_CLASS(machine);
	MemoryRegion *flash = g_new(MemoryRegion, 1);
	MemoryRegion *cs = g_new(MemoryRegion, 4);

	if (machine->ram_size != mc->default_ram_size) {
	char *sz = size_to_str(mc->default_ram_size);
	error_report("Invalid RAM size, should be %s", sz);
	g_free(sz);
	exit(EXIT_FAILURE);
	}

	memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE,
	machine->ram);

	mpu = omap310_mpu_init(machine->ram, machine->cpu_type);

	/* External Flash (EMIFS) */
	memory_region_init_rom(flash, NULL, "palmte.flash", flash_size,
	&error_fatal);
	memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);

	memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
	OMAP_CS0_SIZE - flash_size);
	memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
	&cs[0]);
	memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
	OMAP_CS1_SIZE);
	memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
	memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
	OMAP_CS2_SIZE);
	memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
	memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
	OMAP_CS3_SIZE);
	memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);

	palmte_microwire_setup(mpu);

	qemu_add_kbd_event_handler(palmte_button_event, mpu);

	palmte_gpio_setup(mpu);

	/* Setup initial (reset) machine state */
	if (nb_option_roms) {
	rom_size = get_image_size(option_rom[0].name);
	if (rom_size > flash_size) {
	fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
	__func__, rom_size, flash_size);
	rom_size = 0;
	}
	if (rom_size > 0) {
	rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
	flash_size);
	rom_loaded = 1;
	}
	if (rom_size < 0) {
	fprintf(stderr, "%s: error loading '%s'\n",
	__func__, option_rom[0].name);
	}
	}

	if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
	fprintf(stderr, "Kernel or ROM image must be specified\n");
	exit(1);
	}

	/* Load the kernel. */
	arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
	}

	static void palmte_machine_init(MachineClass *mc)
	{
	mc->desc = "Palm Tungsten\|E aka. Cheetah PDA (OMAP310)";
	mc->init = palmte_init;
	mc->ignore_memory_transaction_failures = true;
	mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
	mc->default_ram_size = 0x02000000;
	mc->default_ram_id = "omap1.dram";
	}

	DEFINE_MACHINE("cheetah", palmte_machine_init)

	static void palm_register_types(void)
	{
	type_register_static(&palm_misc_gpio_info);
	}

	type_init(palm_register_types)