Blame view

hw/palm.c 9.44 KB
1
2
3
4
5
6
7
/*
 * PalmOne's (TM) PDAs.
 *
 * Copyright (C) 2006-2007 Andrzej Zaborowski  <balrog@zabor.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
balrog authored
8
9
 * published by the Free Software Foundation; either version 2 or
 * (at your option) version 3 of the License.
10
11
12
13
14
15
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
16
17
18
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19
 */
pbrook authored
20
21
22
23
24
25
26
#include "hw.h"
#include "audio/audio.h"
#include "sysemu.h"
#include "console.h"
#include "omap.h"
#include "boards.h"
#include "arm-misc.h"
balrog authored
27
#include "devices.h"
28
29
30
31
32
33
34

static uint32_t static_readb(void *opaque, target_phys_addr_t offset)
{
    uint32_t *val = (uint32_t *) opaque;
    return *val >> ((offset & 3) << 3);
}
balrog authored
35
36
static uint32_t static_readh(void *opaque, target_phys_addr_t offset)
{
37
38
39
40
    uint32_t *val = (uint32_t *) opaque;
    return *val >> ((offset & 1) << 3);
}
balrog authored
41
42
static uint32_t static_readw(void *opaque, target_phys_addr_t offset)
{
43
44
45
46
47
    uint32_t *val = (uint32_t *) opaque;
    return *val >> ((offset & 0) << 3);
}

static void static_write(void *opaque, target_phys_addr_t offset,
48
49
                uint32_t value)
{
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
#ifdef SPY
    printf("%s: value %08lx written at " PA_FMT "\n",
                    __FUNCTION__, value, offset);
#endif
}

static CPUReadMemoryFunc *static_readfn[] = {
    static_readb,
    static_readh,
    static_readw,
};

static CPUWriteMemoryFunc *static_writefn[] = {
    static_write,
    static_write,
    static_write,
};

/* Palm Tunsgten|E support */
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86

/* Shared GPIOs */
#define PALMTE_USBDETECT_GPIO	0
#define PALMTE_USB_OR_DC_GPIO	1
#define PALMTE_TSC_GPIO		4
#define PALMTE_PINTDAV_GPIO	6
#define PALMTE_MMC_WP_GPIO	8
#define PALMTE_MMC_POWER_GPIO	9
#define PALMTE_HDQ_GPIO		11
#define PALMTE_HEADPHONES_GPIO	14
#define PALMTE_SPEAKER_GPIO	15
/* MPU private GPIOs */
#define PALMTE_DC_GPIO		2
#define PALMTE_MMC_SWITCH_GPIO	4
#define PALMTE_MMC1_GPIO	6
#define PALMTE_MMC2_GPIO	7
#define PALMTE_MMC3_GPIO	11
87
88
89
90
91
92
static struct mouse_transform_info_s palmte_pointercal = {
    .x = 320,
    .y = 320,
    .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
};
93
94
static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
{
95
96
97
98
99
100
101
102
103
104
105
106
    struct uwire_slave_s *tsc;
    AudioState *audio = 0;

#ifdef HAS_AUDIO
    audio = AUD_init();
#endif

    tsc = tsc2102_init(omap_gpio_in_get(cpu->gpio)[PALMTE_PINTDAV_GPIO],
                    audio);

    omap_uwire_attach(cpu->microwire, tsc, 0);
    omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
107
108

    tsc210x_set_transform(tsc, &palmte_pointercal);
109
110
}
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
static struct {
    int row;
    int column;
} palmte_keymap[0x80] = {
    [0 ... 0x7f] = { -1, -1 },
    [0x3b] = { 0, 0 },	/* F1	-> Calendar */
    [0x3c] = { 1, 0 },	/* F2	-> Contacts */
    [0x3d] = { 2, 0 },	/* F3	-> Tasks List */
    [0x3e] = { 3, 0 },	/* F4	-> Note Pad */
    [0x01] = { 4, 0 },	/* Esc	-> Power */
    [0x4b] = { 0, 1 },	/* 	   Left */
    [0x50] = { 1, 1 },	/* 	   Down */
    [0x48] = { 2, 1 },	/*	   Up */
    [0x4d] = { 3, 1 },	/*	   Right */
    [0x4c] = { 4, 1 },	/* 	   Centre */
    [0x39] = { 4, 1 },	/* Spc	-> Centre */
};

static void palmte_button_event(void *opaque, int keycode)
{
    struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;

    if (palmte_keymap[keycode & 0x7f].row != -1)
        omap_mpuio_key(cpu->mpuio,
                        palmte_keymap[keycode & 0x7f].row,
                        palmte_keymap[keycode & 0x7f].column,
                        !(keycode & 0x80));
}
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
static void palmte_onoff_gpios(void *opaque, int line, int level)
{
    switch (line) {
    case 0:
        printf("%s: current to MMC/SD card %sabled.\n",
                        __FUNCTION__, level ? "dis" : "en");
        break;
    case 1:
        printf("%s: internal speaker amplifier %s.\n",
                        __FUNCTION__, level ? "down" : "on");
        break;

    /* These LCD & Audio output signals have not been identified yet.  */
    case 2:
    case 3:
    case 4:
        printf("%s: LCD GPIO%i %s.\n",
                        __FUNCTION__, line - 1, level ? "high" : "low");
        break;
    case 5:
    case 6:
        printf("%s: Audio GPIO%i %s.\n",
                        __FUNCTION__, line - 4, level ? "high" : "low");
        break;
    }
}

static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
{
    qemu_irq *misc_gpio;

    omap_mmc_handlers(cpu->mmc,
                    omap_gpio_in_get(cpu->gpio)[PALMTE_MMC_WP_GPIO],
                    qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
                            [PALMTE_MMC_SWITCH_GPIO]));

    misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7);
    omap_gpio_out_set(cpu->gpio, PALMTE_MMC_POWER_GPIO,	misc_gpio[0]);
    omap_gpio_out_set(cpu->gpio, PALMTE_SPEAKER_GPIO,	misc_gpio[1]);
    omap_gpio_out_set(cpu->gpio, 11,			misc_gpio[2]);
    omap_gpio_out_set(cpu->gpio, 12,			misc_gpio[3]);
    omap_gpio_out_set(cpu->gpio, 13,			misc_gpio[4]);
    omap_mpuio_out_set(cpu->mpuio, 1,			misc_gpio[5]);
    omap_mpuio_out_set(cpu->mpuio, 3,			misc_gpio[6]);

    /* Reset some inputs to initial state.  */
    qemu_irq_lower(omap_gpio_in_get(cpu->gpio)[PALMTE_USBDETECT_GPIO]);
    qemu_irq_lower(omap_gpio_in_get(cpu->gpio)[PALMTE_USB_OR_DC_GPIO]);
    qemu_irq_lower(omap_gpio_in_get(cpu->gpio)[4]);
    qemu_irq_lower(omap_gpio_in_get(cpu->gpio)[PALMTE_HEADPHONES_GPIO]);
    qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
    qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
    qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
    qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
}
196
197
198
199
200
201
static struct arm_boot_info palmte_binfo = {
    .loader_start = OMAP_EMIFF_BASE,
    .ram_size = 0x02000000,
    .board_id = 0x331,
};
202
static void palmte_init(ram_addr_t ram_size, int vga_ram_size,
203
                const char *boot_device,
204
205
206
207
208
                const char *kernel_filename, const char *kernel_cmdline,
                const char *initrd_filename, const char *cpu_model)
{
    struct omap_mpu_state_s *cpu;
    int flash_size = 0x00800000;
209
    int sdram_size = palmte_binfo.ram_size;
210
211
212
213
214
215
216
    int io;
    static uint32_t cs0val = 0xffffffff;
    static uint32_t cs1val = 0x0000e1a0;
    static uint32_t cs2val = 0x0000e1a0;
    static uint32_t cs3val = 0xe1a0e1a0;
    ram_addr_t phys_flash;
    int rom_size, rom_loaded = 0;
217
    DisplayState *ds = get_displaystate();
218
219
220
221
222
223
224

    if (ram_size < flash_size + sdram_size + OMAP15XX_SRAM_SIZE) {
        fprintf(stderr, "This architecture uses %i bytes of memory\n",
                        flash_size + sdram_size + OMAP15XX_SRAM_SIZE);
        exit(1);
    }
225
    cpu = omap310_mpu_init(sdram_size, cpu_model);
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242

    /* External Flash (EMIFS) */
    cpu_register_physical_memory(OMAP_CS0_BASE, flash_size,
                    (phys_flash = qemu_ram_alloc(flash_size)) | IO_MEM_ROM);

    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs0val);
    cpu_register_physical_memory(OMAP_CS0_BASE + flash_size,
                    OMAP_CS0_SIZE - flash_size, io);
    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs1val);
    cpu_register_physical_memory(OMAP_CS1_BASE, OMAP_CS1_SIZE, io);
    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs2val);
    cpu_register_physical_memory(OMAP_CS2_BASE, OMAP_CS2_SIZE, io);
    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs3val);
    cpu_register_physical_memory(OMAP_CS3_BASE, OMAP_CS3_SIZE, io);

    palmte_microwire_setup(cpu);
243
244
    qemu_add_kbd_event_handler(palmte_button_event, cpu);
245
    palmte_gpio_setup(cpu);
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
    /* Setup initial (reset) machine state */
    if (nb_option_roms) {
        rom_size = get_image_size(option_rom[0]);
        if (rom_size > flash_size)
            fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
                            __FUNCTION__, rom_size, flash_size);
        else if (rom_size > 0 && load_image(option_rom[0],
                                phys_ram_base + phys_flash) > 0) {
            rom_loaded = 1;
            cpu->env->regs[15] = 0x00000000;
        } else
            fprintf(stderr, "%s: error loading '%s'\n",
                            __FUNCTION__, option_rom[0]);
    }

    if (!rom_loaded && !kernel_filename) {
        fprintf(stderr, "Kernel or ROM image must be specified\n");
        exit(1);
    }

    /* Load the kernel.  */
    if (kernel_filename) {
        /* Start at bootloader.  */
270
        cpu->env->regs[15] = palmte_binfo.loader_start;
271
272
273
274
275
        palmte_binfo.kernel_filename = kernel_filename;
        palmte_binfo.kernel_cmdline = kernel_cmdline;
        palmte_binfo.initrd_filename = initrd_filename;
        arm_load_kernel(cpu->env, &palmte_binfo);
276
277
    }
278
279
280
    /* FIXME: We shouldn't really be doing this here.  The LCD controller
       will set the size once configured, so this just sets an initial
       size until the guest activates the display.  */
281
282
    ds->surface = qemu_resize_displaysurface(ds->surface, 320, 320, 32, 4 * 320);
    dpy_resize(ds);
283
284
285
}

QEMUMachine palmte_machine = {
286
287
288
    .name = "cheetah",
    .desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
    .init = palmte_init,
balrog authored
289
290
    .ram_require = (0x02000000 + 0x00800000 + OMAP15XX_SRAM_SIZE) |
            RAMSIZE_FIXED,
291
};