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
8 * published by the Free Software Foundation; either version 2 or
9 * (at your option) version 3 of the License.
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 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "qemu/osdep.h"
21 #include "qapi/error.h"
22 #include "audio/audio.h"
23 #include "sysemu/sysemu.h"
24 #include "sysemu/qtest.h"
25 #include "ui/console.h"
26 #include "hw/arm/omap.h"
27 #include "hw/boards.h"
28 #include "hw/arm/boot.h"
29 #include "hw/input/tsc2xxx.h"
30 #include "hw/irq.h"
31 #include "hw/loader.h"
32 #include "qemu/cutils.h"
33 #include "qom/object.h"
34 #include "qemu/error-report.h"
35
36
static_read(void * opaque,hwaddr offset,unsigned size)37 static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
38 {
39 uint32_t *val = (uint32_t *)opaque;
40 uint32_t sizemask = 7 >> size;
41
42 return *val >> ((offset & sizemask) << 3);
43 }
44
static_write(void * opaque,hwaddr offset,uint64_t value,unsigned size)45 static void static_write(void *opaque, hwaddr offset, uint64_t value,
46 unsigned size)
47 {
48 #ifdef SPY
49 printf("%s: value %08lx written at " PA_FMT "\n",
50 __func__, value, offset);
51 #endif
52 }
53
54 static const MemoryRegionOps static_ops = {
55 .read = static_read,
56 .write = static_write,
57 .valid.min_access_size = 1,
58 .valid.max_access_size = 4,
59 .endianness = DEVICE_NATIVE_ENDIAN,
60 };
61
62 /* Palm Tunsgten|E support */
63
64 /* Shared GPIOs */
65 #define PALMTE_USBDETECT_GPIO 0
66 #define PALMTE_USB_OR_DC_GPIO 1
67 #define PALMTE_TSC_GPIO 4
68 #define PALMTE_PINTDAV_GPIO 6
69 #define PALMTE_MMC_WP_GPIO 8
70 #define PALMTE_MMC_POWER_GPIO 9
71 #define PALMTE_HDQ_GPIO 11
72 #define PALMTE_HEADPHONES_GPIO 14
73 #define PALMTE_SPEAKER_GPIO 15
74 /* MPU private GPIOs */
75 #define PALMTE_DC_GPIO 2
76 #define PALMTE_MMC_SWITCH_GPIO 4
77 #define PALMTE_MMC1_GPIO 6
78 #define PALMTE_MMC2_GPIO 7
79 #define PALMTE_MMC3_GPIO 11
80
81 static MouseTransformInfo palmte_pointercal = {
82 .x = 320,
83 .y = 320,
84 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
85 };
86
palmte_microwire_setup(struct omap_mpu_state_s * cpu)87 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
88 {
89 uWireSlave *tsc;
90
91 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
92
93 omap_uwire_attach(cpu->microwire, tsc, 0);
94 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
95
96 tsc210x_set_transform(tsc, &palmte_pointercal);
97 }
98
99 static struct {
100 int row;
101 int column;
102 } palmte_keymap[0x80] = {
103 [0 ... 0x7f] = { -1, -1 },
104 [0x3b] = { 0, 0 }, /* F1 -> Calendar */
105 [0x3c] = { 1, 0 }, /* F2 -> Contacts */
106 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */
107 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */
108 [0x01] = { 4, 0 }, /* Esc -> Power */
109 [0x4b] = { 0, 1 }, /* Left */
110 [0x50] = { 1, 1 }, /* Down */
111 [0x48] = { 2, 1 }, /* Up */
112 [0x4d] = { 3, 1 }, /* Right */
113 [0x4c] = { 4, 1 }, /* Centre */
114 [0x39] = { 4, 1 }, /* Spc -> Centre */
115 };
116
palmte_button_event(void * opaque,int keycode)117 static void palmte_button_event(void *opaque, int keycode)
118 {
119 struct omap_mpu_state_s *cpu = opaque;
120
121 if (palmte_keymap[keycode & 0x7f].row != -1)
122 omap_mpuio_key(cpu->mpuio,
123 palmte_keymap[keycode & 0x7f].row,
124 palmte_keymap[keycode & 0x7f].column,
125 !(keycode & 0x80));
126 }
127
128 /*
129 * Encapsulation of some GPIO line behaviour for the Palm board
130 *
131 * QEMU interface:
132 * + unnamed GPIO inputs 0..6: for the various miscellaneous input lines
133 */
134
135 #define TYPE_PALM_MISC_GPIO "palm-misc-gpio"
136 OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO)
137
138 struct PalmMiscGPIOState {
139 SysBusDevice parent_obj;
140 };
141
palmte_onoff_gpios(void * opaque,int line,int level)142 static void palmte_onoff_gpios(void *opaque, int line, int level)
143 {
144 switch (line) {
145 case 0:
146 printf("%s: current to MMC/SD card %sabled.\n",
147 __func__, level ? "dis" : "en");
148 break;
149 case 1:
150 printf("%s: internal speaker amplifier %s.\n",
151 __func__, level ? "down" : "on");
152 break;
153
154 /* These LCD & Audio output signals have not been identified yet. */
155 case 2:
156 case 3:
157 case 4:
158 printf("%s: LCD GPIO%i %s.\n",
159 __func__, line - 1, level ? "high" : "low");
160 break;
161 case 5:
162 case 6:
163 printf("%s: Audio GPIO%i %s.\n",
164 __func__, line - 4, level ? "high" : "low");
165 break;
166 }
167 }
168
palm_misc_gpio_init(Object * obj)169 static void palm_misc_gpio_init(Object *obj)
170 {
171 DeviceState *dev = DEVICE(obj);
172
173 qdev_init_gpio_in(dev, palmte_onoff_gpios, 7);
174 }
175
176 static const TypeInfo palm_misc_gpio_info = {
177 .name = TYPE_PALM_MISC_GPIO,
178 .parent = TYPE_SYS_BUS_DEVICE,
179 .instance_size = sizeof(PalmMiscGPIOState),
180 .instance_init = palm_misc_gpio_init,
181 /*
182 * No class init required: device has no internal state so does not
183 * need to set up reset or vmstate, and has no realize method.
184 */
185 };
186
palmte_gpio_setup(struct omap_mpu_state_s * cpu)187 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
188 {
189 DeviceState *misc_gpio;
190
191 misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL);
192
193 omap_mmc_handlers(cpu->mmc,
194 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
195 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
196 [PALMTE_MMC_SWITCH_GPIO]));
197
198 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO,
199 qdev_get_gpio_in(misc_gpio, 0));
200 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO,
201 qdev_get_gpio_in(misc_gpio, 1));
202 qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2));
203 qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3));
204 qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4));
205 omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5));
206 omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6));
207
208 /* Reset some inputs to initial state. */
209 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
210 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
211 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
212 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
213 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
214 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
215 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
216 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
217 }
218
219 static struct arm_boot_info palmte_binfo = {
220 .loader_start = OMAP_EMIFF_BASE,
221 .ram_size = 0x02000000,
222 .board_id = 0x331,
223 };
224
palmte_init(MachineState * machine)225 static void palmte_init(MachineState *machine)
226 {
227 MemoryRegion *address_space_mem = get_system_memory();
228 struct omap_mpu_state_s *mpu;
229 int flash_size = 0x00800000;
230 static uint32_t cs0val = 0xffffffff;
231 static uint32_t cs1val = 0x0000e1a0;
232 static uint32_t cs2val = 0x0000e1a0;
233 static uint32_t cs3val = 0xe1a0e1a0;
234 int rom_size, rom_loaded = 0;
235 MachineClass *mc = MACHINE_GET_CLASS(machine);
236 MemoryRegion *flash = g_new(MemoryRegion, 1);
237 MemoryRegion *cs = g_new(MemoryRegion, 4);
238
239 if (machine->ram_size != mc->default_ram_size) {
240 char *sz = size_to_str(mc->default_ram_size);
241 error_report("Invalid RAM size, should be %s", sz);
242 g_free(sz);
243 exit(EXIT_FAILURE);
244 }
245
246 memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE,
247 machine->ram);
248
249 mpu = omap310_mpu_init(machine->ram, machine->cpu_type);
250
251 /* External Flash (EMIFS) */
252 memory_region_init_rom(flash, NULL, "palmte.flash", flash_size,
253 &error_fatal);
254 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);
255
256 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
257 OMAP_CS0_SIZE - flash_size);
258 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
259 &cs[0]);
260 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
261 OMAP_CS1_SIZE);
262 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
263 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
264 OMAP_CS2_SIZE);
265 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
266 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
267 OMAP_CS3_SIZE);
268 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
269
270 palmte_microwire_setup(mpu);
271
272 qemu_add_kbd_event_handler(palmte_button_event, mpu);
273
274 palmte_gpio_setup(mpu);
275
276 /* Setup initial (reset) machine state */
277 if (nb_option_roms) {
278 rom_size = get_image_size(option_rom[0].name);
279 if (rom_size > flash_size) {
280 fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
281 __func__, rom_size, flash_size);
282 rom_size = 0;
283 }
284 if (rom_size > 0) {
285 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
286 flash_size);
287 rom_loaded = 1;
288 }
289 if (rom_size < 0) {
290 fprintf(stderr, "%s: error loading '%s'\n",
291 __func__, option_rom[0].name);
292 }
293 }
294
295 if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
296 fprintf(stderr, "Kernel or ROM image must be specified\n");
297 exit(1);
298 }
299
300 /* Load the kernel. */
301 arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
302 }
303
palmte_machine_init(MachineClass * mc)304 static void palmte_machine_init(MachineClass *mc)
305 {
306 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)";
307 mc->init = palmte_init;
308 mc->ignore_memory_transaction_failures = true;
309 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
310 mc->default_ram_size = 0x02000000;
311 mc->default_ram_id = "omap1.dram";
312 mc->deprecation_reason = "machine is old and unmaintained";
313
314 machine_add_audiodev_property(mc);
315 }
316
317 DEFINE_MACHINE("cheetah", palmte_machine_init)
318
palm_register_types(void)319 static void palm_register_types(void)
320 {
321 type_register_static(&palm_misc_gpio_info);
322 }
323
324 type_init(palm_register_types)
325