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1/*
2 * PalmOne's (TM) PDAs.
3 *
4 * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation; either version 2 or
9 * (at your option) version 3 of the License.
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10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
fad6cb1a 16 * You should have received a copy of the GNU General Public License along
8167ee88 17 * with this program; if not, see <http://www.gnu.org/licenses/>.
c3d2689d 18 */
83c9f4ca 19#include "hw/hw.h"
87ecb68b 20#include "audio/audio.h"
9c17d615 21#include "sysemu/sysemu.h"
1ca8334e 22#include "sysemu/qtest.h"
28ecbaee 23#include "ui/console.h"
0d09e41a 24#include "hw/arm/omap.h"
83c9f4ca 25#include "hw/boards.h"
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26#include "hw/arm/arm.h"
27#include "hw/devices.h"
83c9f4ca 28#include "hw/loader.h"
022c62cb 29#include "exec/address-spaces.h"
c3d2689d 30
a8170e5e 31static uint32_t static_readb(void *opaque, hwaddr offset)
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32{
33 uint32_t *val = (uint32_t *) opaque;
34 return *val >> ((offset & 3) << 3);
35}
36
a8170e5e 37static uint32_t static_readh(void *opaque, hwaddr offset)
827df9f3 38{
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39 uint32_t *val = (uint32_t *) opaque;
40 return *val >> ((offset & 1) << 3);
41}
42
a8170e5e 43static uint32_t static_readw(void *opaque, hwaddr offset)
827df9f3 44{
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45 uint32_t *val = (uint32_t *) opaque;
46 return *val >> ((offset & 0) << 3);
47}
48
a8170e5e 49static void static_write(void *opaque, hwaddr offset,
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50 uint32_t value)
51{
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52#ifdef SPY
53 printf("%s: value %08lx written at " PA_FMT "\n",
54 __FUNCTION__, value, offset);
55#endif
56}
57
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58static const MemoryRegionOps static_ops = {
59 .old_mmio = {
60 .read = { static_readb, static_readh, static_readw, },
61 .write = { static_write, static_write, static_write, },
62 },
63 .endianness = DEVICE_NATIVE_ENDIAN,
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64};
65
66/* Palm Tunsgten|E support */
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67
68/* Shared GPIOs */
69#define PALMTE_USBDETECT_GPIO 0
70#define PALMTE_USB_OR_DC_GPIO 1
71#define PALMTE_TSC_GPIO 4
72#define PALMTE_PINTDAV_GPIO 6
73#define PALMTE_MMC_WP_GPIO 8
74#define PALMTE_MMC_POWER_GPIO 9
75#define PALMTE_HDQ_GPIO 11
76#define PALMTE_HEADPHONES_GPIO 14
77#define PALMTE_SPEAKER_GPIO 15
78/* MPU private GPIOs */
79#define PALMTE_DC_GPIO 2
80#define PALMTE_MMC_SWITCH_GPIO 4
81#define PALMTE_MMC1_GPIO 6
82#define PALMTE_MMC2_GPIO 7
83#define PALMTE_MMC3_GPIO 11
84
bc24a225 85static MouseTransformInfo palmte_pointercal = {
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86 .x = 320,
87 .y = 320,
88 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
89};
90
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91static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
92{
bc24a225 93 uWireSlave *tsc;
d8f699cb 94
77831c20 95 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
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96
97 omap_uwire_attach(cpu->microwire, tsc, 0);
98 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
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99
100 tsc210x_set_transform(tsc, &palmte_pointercal);
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101}
102
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103static struct {
104 int row;
105 int column;
106} palmte_keymap[0x80] = {
107 [0 ... 0x7f] = { -1, -1 },
108 [0x3b] = { 0, 0 }, /* F1 -> Calendar */
109 [0x3c] = { 1, 0 }, /* F2 -> Contacts */
110 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */
111 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */
112 [0x01] = { 4, 0 }, /* Esc -> Power */
113 [0x4b] = { 0, 1 }, /* Left */
114 [0x50] = { 1, 1 }, /* Down */
115 [0x48] = { 2, 1 }, /* Up */
116 [0x4d] = { 3, 1 }, /* Right */
117 [0x4c] = { 4, 1 }, /* Centre */
118 [0x39] = { 4, 1 }, /* Spc -> Centre */
119};
120
121static void palmte_button_event(void *opaque, int keycode)
122{
123 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;
124
125 if (palmte_keymap[keycode & 0x7f].row != -1)
126 omap_mpuio_key(cpu->mpuio,
127 palmte_keymap[keycode & 0x7f].row,
128 palmte_keymap[keycode & 0x7f].column,
129 !(keycode & 0x80));
130}
131
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132static void palmte_onoff_gpios(void *opaque, int line, int level)
133{
134 switch (line) {
135 case 0:
136 printf("%s: current to MMC/SD card %sabled.\n",
137 __FUNCTION__, level ? "dis" : "en");
138 break;
139 case 1:
140 printf("%s: internal speaker amplifier %s.\n",
141 __FUNCTION__, level ? "down" : "on");
142 break;
143
144 /* These LCD & Audio output signals have not been identified yet. */
145 case 2:
146 case 3:
147 case 4:
148 printf("%s: LCD GPIO%i %s.\n",
149 __FUNCTION__, line - 1, level ? "high" : "low");
150 break;
151 case 5:
152 case 6:
153 printf("%s: Audio GPIO%i %s.\n",
154 __FUNCTION__, line - 4, level ? "high" : "low");
155 break;
156 }
157}
158
159static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
160{
161 qemu_irq *misc_gpio;
162
163 omap_mmc_handlers(cpu->mmc,
77831c20 164 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
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165 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
166 [PALMTE_MMC_SWITCH_GPIO]));
167
168 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7);
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169 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]);
170 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]);
171 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]);
172 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]);
173 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]);
174 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]);
175 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]);
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176
177 /* Reset some inputs to initial state. */
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178 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
179 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
180 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
181 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
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182 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
183 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
184 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
185 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
186}
187
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188static struct arm_boot_info palmte_binfo = {
189 .loader_start = OMAP_EMIFF_BASE,
190 .ram_size = 0x02000000,
191 .board_id = 0x331,
192};
193
5f072e1f 194static void palmte_init(QEMUMachineInitArgs *args)
c3d2689d 195{
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196 const char *cpu_model = args->cpu_model;
197 const char *kernel_filename = args->kernel_filename;
198 const char *kernel_cmdline = args->kernel_cmdline;
199 const char *initrd_filename = args->initrd_filename;
4b3fedf3 200 MemoryRegion *address_space_mem = get_system_memory();
f1eea068 201 struct omap_mpu_state_s *mpu;
c3d2689d 202 int flash_size = 0x00800000;
f93eb9ff 203 int sdram_size = palmte_binfo.ram_size;
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204 static uint32_t cs0val = 0xffffffff;
205 static uint32_t cs1val = 0x0000e1a0;
206 static uint32_t cs2val = 0x0000e1a0;
207 static uint32_t cs3val = 0xe1a0e1a0;
c3d2689d 208 int rom_size, rom_loaded = 0;
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209 MemoryRegion *flash = g_new(MemoryRegion, 1);
210 MemoryRegion *cs = g_new(MemoryRegion, 4);
c3d2689d 211
f1eea068 212 mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model);
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213
214 /* External Flash (EMIFS) */
2c9b15ca 215 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size);
c5705a77 216 vmstate_register_ram_global(flash);
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217 memory_region_set_readonly(flash, true);
218 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);
219
2c9b15ca 220 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
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221 OMAP_CS0_SIZE - flash_size);
222 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
223 &cs[0]);
2c9b15ca 224 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
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225 OMAP_CS1_SIZE);
226 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
2c9b15ca 227 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
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228 OMAP_CS2_SIZE);
229 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
2c9b15ca 230 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
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231 OMAP_CS3_SIZE);
232 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
c3d2689d 233
f1eea068 234 palmte_microwire_setup(mpu);
c3d2689d 235
f1eea068 236 qemu_add_kbd_event_handler(palmte_button_event, mpu);
38a34e1d 237
f1eea068 238 palmte_gpio_setup(mpu);
8e129e07 239
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240 /* Setup initial (reset) machine state */
241 if (nb_option_roms) {
2e55e842 242 rom_size = get_image_size(option_rom[0].name);
dcac9679 243 if (rom_size > flash_size) {
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244 fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
245 __FUNCTION__, rom_size, flash_size);
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246 rom_size = 0;
247 }
248 if (rom_size > 0) {
2e55e842 249 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
dcac9679 250 flash_size);
c3d2689d 251 rom_loaded = 1;
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252 }
253 if (rom_size < 0) {
c3d2689d 254 fprintf(stderr, "%s: error loading '%s'\n",
2e55e842 255 __FUNCTION__, option_rom[0].name);
dcac9679 256 }
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257 }
258
1ca8334e 259 if (!rom_loaded && !kernel_filename && !qtest_enabled()) {
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260 fprintf(stderr, "Kernel or ROM image must be specified\n");
261 exit(1);
262 }
263
264 /* Load the kernel. */
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265 palmte_binfo.kernel_filename = kernel_filename;
266 palmte_binfo.kernel_cmdline = kernel_cmdline;
267 palmte_binfo.initrd_filename = initrd_filename;
268 arm_load_kernel(mpu->cpu, &palmte_binfo);
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269}
270
f80f9ec9 271static QEMUMachine palmte_machine = {
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272 .name = "cheetah",
273 .desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
274 .init = palmte_init,
c3d2689d 275};
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276
277static void palmte_machine_init(void)
278{
279 qemu_register_machine(&palmte_machine);
280}
281
282machine_init(palmte_machine_init);