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321 lines
10 KiB
C
321 lines
10 KiB
C
/*
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* PalmOne's (TM) PDAs.
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*
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* Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "audio/audio.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/qtest.h"
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#include "ui/console.h"
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#include "hw/arm/omap.h"
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#include "hw/boards.h"
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#include "hw/arm/boot.h"
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#include "hw/input/tsc2xxx.h"
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#include "hw/irq.h"
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#include "hw/loader.h"
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#include "cpu.h"
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#include "qemu/cutils.h"
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#include "qom/object.h"
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static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
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{
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uint32_t *val = (uint32_t *)opaque;
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uint32_t sizemask = 7 >> size;
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return *val >> ((offset & sizemask) << 3);
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}
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static void static_write(void *opaque, hwaddr offset, uint64_t value,
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unsigned size)
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{
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#ifdef SPY
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printf("%s: value %08lx written at " PA_FMT "\n",
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__func__, value, offset);
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#endif
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}
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static const MemoryRegionOps static_ops = {
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.read = static_read,
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.write = static_write,
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.valid.min_access_size = 1,
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.valid.max_access_size = 4,
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.endianness = DEVICE_NATIVE_ENDIAN,
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};
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/* Palm Tunsgten|E support */
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/* Shared GPIOs */
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#define PALMTE_USBDETECT_GPIO 0
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#define PALMTE_USB_OR_DC_GPIO 1
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#define PALMTE_TSC_GPIO 4
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#define PALMTE_PINTDAV_GPIO 6
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#define PALMTE_MMC_WP_GPIO 8
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#define PALMTE_MMC_POWER_GPIO 9
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#define PALMTE_HDQ_GPIO 11
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#define PALMTE_HEADPHONES_GPIO 14
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#define PALMTE_SPEAKER_GPIO 15
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/* MPU private GPIOs */
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#define PALMTE_DC_GPIO 2
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#define PALMTE_MMC_SWITCH_GPIO 4
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#define PALMTE_MMC1_GPIO 6
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#define PALMTE_MMC2_GPIO 7
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#define PALMTE_MMC3_GPIO 11
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static MouseTransformInfo palmte_pointercal = {
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.x = 320,
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.y = 320,
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.a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
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};
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static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
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{
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uWireSlave *tsc;
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tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
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omap_uwire_attach(cpu->microwire, tsc, 0);
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omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
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tsc210x_set_transform(tsc, &palmte_pointercal);
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}
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static struct {
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int row;
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int column;
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} palmte_keymap[0x80] = {
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[0 ... 0x7f] = { -1, -1 },
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[0x3b] = { 0, 0 }, /* F1 -> Calendar */
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[0x3c] = { 1, 0 }, /* F2 -> Contacts */
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[0x3d] = { 2, 0 }, /* F3 -> Tasks List */
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[0x3e] = { 3, 0 }, /* F4 -> Note Pad */
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[0x01] = { 4, 0 }, /* Esc -> Power */
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[0x4b] = { 0, 1 }, /* Left */
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[0x50] = { 1, 1 }, /* Down */
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[0x48] = { 2, 1 }, /* Up */
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[0x4d] = { 3, 1 }, /* Right */
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[0x4c] = { 4, 1 }, /* Centre */
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[0x39] = { 4, 1 }, /* Spc -> Centre */
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};
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static void palmte_button_event(void *opaque, int keycode)
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{
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struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;
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if (palmte_keymap[keycode & 0x7f].row != -1)
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omap_mpuio_key(cpu->mpuio,
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palmte_keymap[keycode & 0x7f].row,
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palmte_keymap[keycode & 0x7f].column,
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!(keycode & 0x80));
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}
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/*
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* Encapsulation of some GPIO line behaviour for the Palm board
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*
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* QEMU interface:
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* + unnamed GPIO inputs 0..6: for the various miscellaneous input lines
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*/
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#define TYPE_PALM_MISC_GPIO "palm-misc-gpio"
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OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO)
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struct PalmMiscGPIOState {
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SysBusDevice parent_obj;
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};
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static void palmte_onoff_gpios(void *opaque, int line, int level)
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{
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switch (line) {
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case 0:
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printf("%s: current to MMC/SD card %sabled.\n",
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__func__, level ? "dis" : "en");
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break;
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case 1:
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printf("%s: internal speaker amplifier %s.\n",
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__func__, level ? "down" : "on");
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break;
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/* These LCD & Audio output signals have not been identified yet. */
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case 2:
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case 3:
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case 4:
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printf("%s: LCD GPIO%i %s.\n",
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__func__, line - 1, level ? "high" : "low");
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break;
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case 5:
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case 6:
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printf("%s: Audio GPIO%i %s.\n",
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__func__, line - 4, level ? "high" : "low");
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break;
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}
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}
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static void palm_misc_gpio_init(Object *obj)
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{
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DeviceState *dev = DEVICE(obj);
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qdev_init_gpio_in(dev, palmte_onoff_gpios, 7);
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}
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static const TypeInfo palm_misc_gpio_info = {
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.name = TYPE_PALM_MISC_GPIO,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(PalmMiscGPIOState),
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.instance_init = palm_misc_gpio_init,
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/*
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* No class init required: device has no internal state so does not
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* need to set up reset or vmstate, and has no realize method.
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*/
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};
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static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
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{
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DeviceState *misc_gpio;
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misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL);
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omap_mmc_handlers(cpu->mmc,
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qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
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qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
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[PALMTE_MMC_SWITCH_GPIO]));
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qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO,
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qdev_get_gpio_in(misc_gpio, 0));
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qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO,
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qdev_get_gpio_in(misc_gpio, 1));
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qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2));
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qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3));
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qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4));
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omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5));
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omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6));
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/* Reset some inputs to initial state. */
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qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
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qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
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qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
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qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
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qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
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qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
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qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
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qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
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}
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static struct arm_boot_info palmte_binfo = {
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.loader_start = OMAP_EMIFF_BASE,
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.ram_size = 0x02000000,
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.board_id = 0x331,
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};
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static void palmte_init(MachineState *machine)
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{
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MemoryRegion *address_space_mem = get_system_memory();
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struct omap_mpu_state_s *mpu;
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int flash_size = 0x00800000;
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static uint32_t cs0val = 0xffffffff;
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static uint32_t cs1val = 0x0000e1a0;
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static uint32_t cs2val = 0x0000e1a0;
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static uint32_t cs3val = 0xe1a0e1a0;
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int rom_size, rom_loaded = 0;
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MachineClass *mc = MACHINE_GET_CLASS(machine);
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MemoryRegion *flash = g_new(MemoryRegion, 1);
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MemoryRegion *cs = g_new(MemoryRegion, 4);
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if (machine->ram_size != mc->default_ram_size) {
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char *sz = size_to_str(mc->default_ram_size);
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error_report("Invalid RAM size, should be %s", sz);
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g_free(sz);
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exit(EXIT_FAILURE);
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}
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memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE,
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machine->ram);
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mpu = omap310_mpu_init(machine->ram, machine->cpu_type);
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/* External Flash (EMIFS) */
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memory_region_init_rom(flash, NULL, "palmte.flash", flash_size,
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&error_fatal);
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memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);
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memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
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OMAP_CS0_SIZE - flash_size);
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memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
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&cs[0]);
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memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
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OMAP_CS1_SIZE);
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memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
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memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
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OMAP_CS2_SIZE);
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memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
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memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
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OMAP_CS3_SIZE);
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memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
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palmte_microwire_setup(mpu);
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qemu_add_kbd_event_handler(palmte_button_event, mpu);
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palmte_gpio_setup(mpu);
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/* Setup initial (reset) machine state */
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if (nb_option_roms) {
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rom_size = get_image_size(option_rom[0].name);
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if (rom_size > flash_size) {
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fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
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__func__, rom_size, flash_size);
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rom_size = 0;
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}
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if (rom_size > 0) {
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rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
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flash_size);
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rom_loaded = 1;
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}
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if (rom_size < 0) {
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fprintf(stderr, "%s: error loading '%s'\n",
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__func__, option_rom[0].name);
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}
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}
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if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
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fprintf(stderr, "Kernel or ROM image must be specified\n");
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exit(1);
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}
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/* Load the kernel. */
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arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
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}
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static void palmte_machine_init(MachineClass *mc)
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{
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mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)";
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mc->init = palmte_init;
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mc->ignore_memory_transaction_failures = true;
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mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
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mc->default_ram_size = 0x02000000;
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mc->default_ram_id = "omap1.dram";
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}
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DEFINE_MACHINE("cheetah", palmte_machine_init)
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static void palm_register_types(void)
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{
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type_register_static(&palm_misc_gpio_info);
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}
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type_init(palm_register_types)
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