2 * PXA270-based Zipit Z2 device
6 * Code is based on mainstone platform.
8 * This code is licensed under the GNU GPL v2.
22 #include "audio/audio.h"
23 #include "exec-memory.h"
26 #define DPRINTF(fmt, ...) \
27 printf(fmt, ## __VA_ARGS__)
29 #define DPRINTF(fmt, ...)
32 static struct keymap map[0x100] = {
33 [0 ... 0xff] = { -1, -1 },
34 [0x3b] = {0, 0}, /* Option = F1 */
35 [0xc8] = {0, 1}, /* Up */
36 [0xd0] = {0, 2}, /* Down */
37 [0xcb] = {0, 3}, /* Left */
38 [0xcd] = {0, 4}, /* Right */
39 [0xcf] = {0, 5}, /* End */
40 [0x0d] = {0, 6}, /* KPPLUS */
41 [0xc7] = {1, 0}, /* Home */
42 [0x10] = {1, 1}, /* Q */
43 [0x17] = {1, 2}, /* I */
44 [0x22] = {1, 3}, /* G */
45 [0x2d] = {1, 4}, /* X */
46 [0x1c] = {1, 5}, /* Enter */
47 [0x0c] = {1, 6}, /* KPMINUS */
48 [0xc9] = {2, 0}, /* PageUp */
49 [0x11] = {2, 1}, /* W */
50 [0x18] = {2, 2}, /* O */
51 [0x23] = {2, 3}, /* H */
52 [0x2e] = {2, 4}, /* C */
53 [0x38] = {2, 5}, /* LeftAlt */
54 [0xd1] = {3, 0}, /* PageDown */
55 [0x12] = {3, 1}, /* E */
56 [0x19] = {3, 2}, /* P */
57 [0x24] = {3, 3}, /* J */
58 [0x2f] = {3, 4}, /* V */
59 [0x2a] = {3, 5}, /* LeftShift */
60 [0x01] = {4, 0}, /* Esc */
61 [0x13] = {4, 1}, /* R */
62 [0x1e] = {4, 2}, /* A */
63 [0x25] = {4, 3}, /* K */
64 [0x30] = {4, 4}, /* B */
65 [0x1d] = {4, 5}, /* LeftCtrl */
66 [0x0f] = {5, 0}, /* Tab */
67 [0x14] = {5, 1}, /* T */
68 [0x1f] = {5, 2}, /* S */
69 [0x26] = {5, 3}, /* L */
70 [0x31] = {5, 4}, /* N */
71 [0x39] = {5, 5}, /* Space */
72 [0x3c] = {6, 0}, /* Stop = F2 */
73 [0x15] = {6, 1}, /* Y */
74 [0x20] = {6, 2}, /* D */
75 [0x0e] = {6, 3}, /* Backspace */
76 [0x32] = {6, 4}, /* M */
77 [0x33] = {6, 5}, /* Comma */
78 [0x3d] = {7, 0}, /* Play = F3 */
79 [0x16] = {7, 1}, /* U */
80 [0x21] = {7, 2}, /* F */
81 [0x2c] = {7, 3}, /* Z */
82 [0x27] = {7, 4}, /* Semicolon */
83 [0x34] = {7, 5}, /* Dot */
86 #define Z2_RAM_SIZE 0x02000000
87 #define Z2_FLASH_BASE 0x00000000
88 #define Z2_FLASH_SIZE 0x00800000
90 static struct arm_boot_info z2_binfo = {
91 .loader_start = PXA2XX_SDRAM_BASE,
92 .ram_size = Z2_RAM_SIZE,
95 #define Z2_GPIO_SD_DETECT 96
96 #define Z2_GPIO_AC_IN 0
97 #define Z2_GPIO_KEY_ON 1
98 #define Z2_GPIO_LCD_CS 88
109 static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value)
111 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
114 z->buf[z->pos] = value & 0xff;
120 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
121 z->cur_reg = z->buf[2];
124 val = z->buf[1] << 8 | z->buf[2];
125 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
126 if (z->cur_reg == 0x22 && val == 0x0000) {
128 printf("%s: LCD enabled\n", __func__);
129 } else if (z->cur_reg == 0x10 && val == 0x0000) {
131 printf("%s: LCD disabled\n", __func__);
135 DPRINTF("%s: unknown command!\n", __func__);
143 static void z2_lcd_cs(void *opaque, int line, int level)
145 ZipitLCD *z2_lcd = opaque;
146 z2_lcd->selected = !level;
149 static int zipit_lcd_init(SSISlave *dev)
151 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
159 static VMStateDescription vmstate_zipit_lcd_state = {
162 .minimum_version_id = 1,
163 .minimum_version_id_old = 1,
164 .fields = (VMStateField[]) {
165 VMSTATE_INT32(selected, ZipitLCD),
166 VMSTATE_INT32(enabled, ZipitLCD),
167 VMSTATE_BUFFER(buf, ZipitLCD),
168 VMSTATE_UINT32(cur_reg, ZipitLCD),
169 VMSTATE_INT32(pos, ZipitLCD),
170 VMSTATE_END_OF_LIST(),
174 static SSISlaveInfo zipit_lcd_info = {
175 .qdev.name = "zipit-lcd",
176 .qdev.size = sizeof(ZipitLCD),
177 .qdev.vmsd = &vmstate_zipit_lcd_state,
178 .init = zipit_lcd_init,
179 .transfer = zipit_lcd_transfer
188 static int aer915_send(i2c_slave *i2c, uint8_t data)
190 AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
191 s->buf[s->len] = data;
193 DPRINTF("%s: message too long (%i bytes)\n",
199 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
200 s->buf[0], s->buf[1]);
206 static void aer915_event(i2c_slave *i2c, enum i2c_event event)
208 AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
215 DPRINTF("%s: short message!?\n", __func__);
225 static int aer915_recv(i2c_slave *slave)
228 AER915State *s = FROM_I2C_SLAVE(AER915State, slave);
231 /* Return hardcoded battery voltage,
237 /* Return 0x00 for other regs,
238 * we don't know what they are for,
239 * anyway they return 0x00 on real hardware.
248 static int aer915_init(i2c_slave *i2c)
254 static VMStateDescription vmstate_aer915_state = {
257 .minimum_version_id = 1,
258 .minimum_version_id_old = 1,
259 .fields = (VMStateField[]) {
260 VMSTATE_INT32(len, AER915State),
261 VMSTATE_BUFFER(buf, AER915State),
262 VMSTATE_END_OF_LIST(),
266 static I2CSlaveInfo aer915_info = {
267 .qdev.name = "aer915",
268 .qdev.size = sizeof(AER915State),
269 .qdev.vmsd = &vmstate_aer915_state,
271 .event = aer915_event,
276 static void z2_init(ram_addr_t ram_size,
277 const char *boot_device,
278 const char *kernel_filename, const char *kernel_cmdline,
279 const char *initrd_filename, const char *cpu_model)
281 MemoryRegion *address_space_mem = get_system_memory();
282 uint32_t sector_len = 0x10000;
291 cpu_model = "pxa270-c5";
294 /* Setup CPU & memory */
295 cpu = pxa270_init(address_space_mem, z2_binfo.ram_size, cpu_model);
297 #ifdef TARGET_WORDS_BIGENDIAN
302 dinfo = drive_get(IF_PFLASH, 0, 0);
304 fprintf(stderr, "Flash image must be given with the "
305 "'pflash' parameter\n");
309 if (!pflash_cfi01_register(Z2_FLASH_BASE,
310 NULL, "z2.flash0", Z2_FLASH_SIZE,
311 dinfo->bdrv, sector_len,
312 Z2_FLASH_SIZE / sector_len, 4, 0, 0, 0, 0,
314 fprintf(stderr, "qemu: Error registering flash memory.\n");
319 pxa27x_register_keypad(cpu->kp, map, 0x100);
322 pxa2xx_mmci_handlers(cpu->mmc,
324 qdev_get_gpio_in(cpu->gpio, Z2_GPIO_SD_DETECT));
326 ssi_register_slave(&zipit_lcd_info);
327 i2c_register_slave(&aer915_info);
328 z2_lcd = ssi_create_slave(cpu->ssp[1], "zipit-lcd");
329 bus = pxa2xx_i2c_bus(cpu->i2c[0]);
330 i2c_create_slave(bus, "aer915", 0x55);
331 wm = i2c_create_slave(bus, "wm8750", 0x1b);
332 cpu->i2s->opaque = wm;
333 cpu->i2s->codec_out = wm8750_dac_dat;
334 cpu->i2s->codec_in = wm8750_adc_dat;
335 wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s);
337 qdev_connect_gpio_out(cpu->gpio, Z2_GPIO_LCD_CS,
338 qemu_allocate_irqs(z2_lcd_cs, z2_lcd, 1)[0]);
340 if (kernel_filename) {
341 z2_binfo.kernel_filename = kernel_filename;
342 z2_binfo.kernel_cmdline = kernel_cmdline;
343 z2_binfo.initrd_filename = initrd_filename;
344 z2_binfo.board_id = 0x6dd;
345 arm_load_kernel(cpu->env, &z2_binfo);
349 static QEMUMachine z2_machine = {
351 .desc = "Zipit Z2 (PXA27x)",
355 static void z2_machine_init(void)
357 qemu_register_machine(&z2_machine);
360 machine_init(z2_machine_init);