283 lines
9.2 KiB
C
283 lines
9.2 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 "hw/hw.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/arm.h"
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#include "hw/devices.h"
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#include "hw/loader.h"
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#include "exec/address-spaces.h"
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static uint32_t static_readb(void *opaque, hwaddr offset)
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{
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uint32_t *val = (uint32_t *) opaque;
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return *val >> ((offset & 3) << 3);
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}
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static uint32_t static_readh(void *opaque, hwaddr offset)
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{
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uint32_t *val = (uint32_t *) opaque;
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return *val >> ((offset & 1) << 3);
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}
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static uint32_t static_readw(void *opaque, hwaddr offset)
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{
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uint32_t *val = (uint32_t *) opaque;
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return *val >> ((offset & 0) << 3);
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}
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static void static_write(void *opaque, hwaddr offset,
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uint32_t value)
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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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__FUNCTION__, value, offset);
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#endif
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}
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static const MemoryRegionOps static_ops = {
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.old_mmio = {
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.read = { static_readb, static_readh, static_readw, },
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.write = { static_write, static_write, static_write, },
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},
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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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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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__FUNCTION__, 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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__FUNCTION__, 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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__FUNCTION__, 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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__FUNCTION__, line - 4, level ? "high" : "low");
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break;
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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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qemu_irq *misc_gpio;
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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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misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7);
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qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]);
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qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]);
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qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]);
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qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]);
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qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]);
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omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]);
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omap_mpuio_out_set(cpu->mpuio, 3, 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(QEMUMachineInitArgs *args)
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{
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const char *cpu_model = args->cpu_model;
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const char *kernel_filename = args->kernel_filename;
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const char *kernel_cmdline = args->kernel_cmdline;
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const char *initrd_filename = args->initrd_filename;
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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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int sdram_size = palmte_binfo.ram_size;
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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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MemoryRegion *flash = g_new(MemoryRegion, 1);
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MemoryRegion *cs = g_new(MemoryRegion, 4);
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mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model);
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/* External Flash (EMIFS) */
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memory_region_init_ram(flash, NULL, "palmte.flash", flash_size);
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vmstate_register_ram_global(flash);
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memory_region_set_readonly(flash, true);
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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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__FUNCTION__, 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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__FUNCTION__, option_rom[0].name);
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}
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}
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if (!rom_loaded && !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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palmte_binfo.kernel_filename = kernel_filename;
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palmte_binfo.kernel_cmdline = kernel_cmdline;
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palmte_binfo.initrd_filename = initrd_filename;
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arm_load_kernel(mpu->cpu, &palmte_binfo);
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}
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static QEMUMachine palmte_machine = {
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.name = "cheetah",
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.desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
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.init = palmte_init,
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};
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static void palmte_machine_init(void)
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{
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qemu_register_machine(&palmte_machine);
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}
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machine_init(palmte_machine_init);
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