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 "exec/address-spaces.h"
33#include "cpu.h"
34
35static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
36{
37 uint32_t *val = (uint32_t *)opaque;
38 uint32_t sizemask = 7 >> size;
39
40 return *val >> ((offset & sizemask) << 3);
41}
42
43static void static_write(void *opaque, hwaddr offset, uint64_t value,
44 unsigned size)
45{
46#ifdef SPY
47 printf("%s: value %08lx written at " PA_FMT "\n",
48 __func__, value, offset);
49#endif
50}
51
52static const MemoryRegionOps static_ops = {
53 .read = static_read,
54 .write = static_write,
55 .valid.min_access_size = 1,
56 .valid.max_access_size = 4,
57 .endianness = DEVICE_NATIVE_ENDIAN,
58};
59
60/* Palm Tunsgten|E support */
61
62/* Shared GPIOs */
63#define PALMTE_USBDETECT_GPIO 0
64#define PALMTE_USB_OR_DC_GPIO 1
65#define PALMTE_TSC_GPIO 4
66#define PALMTE_PINTDAV_GPIO 6
67#define PALMTE_MMC_WP_GPIO 8
68#define PALMTE_MMC_POWER_GPIO 9
69#define PALMTE_HDQ_GPIO 11
70#define PALMTE_HEADPHONES_GPIO 14
71#define PALMTE_SPEAKER_GPIO 15
72/* MPU private GPIOs */
73#define PALMTE_DC_GPIO 2
74#define PALMTE_MMC_SWITCH_GPIO 4
75#define PALMTE_MMC1_GPIO 6
76#define PALMTE_MMC2_GPIO 7
77#define PALMTE_MMC3_GPIO 11
78
79static MouseTransformInfo palmte_pointercal = {
80 .x = 320,
81 .y = 320,
82 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
83};
84
85static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
86{
87 uWireSlave *tsc;
88
89 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
90
91 omap_uwire_attach(cpu->microwire, tsc, 0);
92 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
93
94 tsc210x_set_transform(tsc, &palmte_pointercal);
95}
96
97static struct {
98 int row;
99 int column;
100} palmte_keymap[0x80] = {
101 [0 ... 0x7f] = { -1, -1 },
102 [0x3b] = { 0, 0 }, /* F1 -> Calendar */
103 [0x3c] = { 1, 0 }, /* F2 -> Contacts */
104 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */
105 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */
106 [0x01] = { 4, 0 }, /* Esc -> Power */
107 [0x4b] = { 0, 1 }, /* Left */
108 [0x50] = { 1, 1 }, /* Down */
109 [0x48] = { 2, 1 }, /* Up */
110 [0x4d] = { 3, 1 }, /* Right */
111 [0x4c] = { 4, 1 }, /* Centre */
112 [0x39] = { 4, 1 }, /* Spc -> Centre */
113};
114
115static void palmte_button_event(void *opaque, int keycode)
116{
117 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;
118
119 if (palmte_keymap[keycode & 0x7f].row != -1)
120 omap_mpuio_key(cpu->mpuio,
121 palmte_keymap[keycode & 0x7f].row,
122 palmte_keymap[keycode & 0x7f].column,
123 !(keycode & 0x80));
124}
125
126static void palmte_onoff_gpios(void *opaque, int line, int level)
127{
128 switch (line) {
129 case 0:
130 printf("%s: current to MMC/SD card %sabled.\n",
131 __func__, level ? "dis" : "en");
132 break;
133 case 1:
134 printf("%s: internal speaker amplifier %s.\n",
135 __func__, level ? "down" : "on");
136 break;
137
138 /* These LCD & Audio output signals have not been identified yet. */
139 case 2:
140 case 3:
141 case 4:
142 printf("%s: LCD GPIO%i %s.\n",
143 __func__, line - 1, level ? "high" : "low");
144 break;
145 case 5:
146 case 6:
147 printf("%s: Audio GPIO%i %s.\n",
148 __func__, line - 4, level ? "high" : "low");
149 break;
150 }
151}
152
153static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
154{
155 qemu_irq *misc_gpio;
156
157 omap_mmc_handlers(cpu->mmc,
158 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
159 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
160 [PALMTE_MMC_SWITCH_GPIO]));
161
162 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7);
163 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]);
164 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]);
165 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]);
166 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]);
167 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]);
168 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]);
169 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]);
170
171 /* Reset some inputs to initial state. */
172 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
173 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
174 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
175 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
176 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
177 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
178 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
179 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
180}
181
182static struct arm_boot_info palmte_binfo = {
183 .loader_start = OMAP_EMIFF_BASE,
184 .ram_size = 0x02000000,
185 .board_id = 0x331,
186};
187
188static void palmte_init(MachineState *machine)
189{
190 MemoryRegion *address_space_mem = get_system_memory();
191 struct omap_mpu_state_s *mpu;
192 int flash_size = 0x00800000;
193 int sdram_size = palmte_binfo.ram_size;
194 static uint32_t cs0val = 0xffffffff;
195 static uint32_t cs1val = 0x0000e1a0;
196 static uint32_t cs2val = 0x0000e1a0;
197 static uint32_t cs3val = 0xe1a0e1a0;
198 int rom_size, rom_loaded = 0;
199 MemoryRegion *flash = g_new(MemoryRegion, 1);
200 MemoryRegion *cs = g_new(MemoryRegion, 4);
201
202 mpu = omap310_mpu_init(address_space_mem, sdram_size, machine->cpu_type);
203
204 /* External Flash (EMIFS) */
205 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size,
206 &error_fatal);
207 memory_region_set_readonly(flash, true);
208 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);
209
210 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
211 OMAP_CS0_SIZE - flash_size);
212 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
213 &cs[0]);
214 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
215 OMAP_CS1_SIZE);
216 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
217 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
218 OMAP_CS2_SIZE);
219 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
220 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
221 OMAP_CS3_SIZE);
222 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
223
224 palmte_microwire_setup(mpu);
225
226 qemu_add_kbd_event_handler(palmte_button_event, mpu);
227
228 palmte_gpio_setup(mpu);
229
230 /* Setup initial (reset) machine state */
231 if (nb_option_roms) {
232 rom_size = get_image_size(option_rom[0].name);
233 if (rom_size > flash_size) {
234 fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
235 __func__, rom_size, flash_size);
236 rom_size = 0;
237 }
238 if (rom_size > 0) {
239 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
240 flash_size);
241 rom_loaded = 1;
242 }
243 if (rom_size < 0) {
244 fprintf(stderr, "%s: error loading '%s'\n",
245 __func__, option_rom[0].name);
246 }
247 }
248
249 if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
250 fprintf(stderr, "Kernel or ROM image must be specified\n");
251 exit(1);
252 }
253
254 /* Load the kernel. */
255 arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
256}
257
258static void palmte_machine_init(MachineClass *mc)
259{
260 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)";
261 mc->init = palmte_init;
262 mc->ignore_memory_transaction_failures = true;
263 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
264}
265
266DEFINE_MACHINE("cheetah", palmte_machine_init)
267