2 * PXA270-based Zipit Z2 device
4 * Copyright (c) 2011 by Vasily Khoruzhick <anarsoul@gmail.com>
6 * Code is based on mainstone platform.
8 * This code is licensed under the GNU GPL v2.
10 * Contributions after 2012-01-13 are licensed under the terms of the
11 * GNU GPL, version 2 or (at your option) any later version.
25 #include "audio/audio.h"
26 #include "exec-memory.h"
29 #define DPRINTF(fmt, ...) \
30 printf(fmt, ## __VA_ARGS__)
32 #define DPRINTF(fmt, ...)
35 static struct keymap map
[0x100] = {
36 [0 ... 0xff] = { -1, -1 },
37 [0x3b] = {0, 0}, /* Option = F1 */
38 [0xc8] = {0, 1}, /* Up */
39 [0xd0] = {0, 2}, /* Down */
40 [0xcb] = {0, 3}, /* Left */
41 [0xcd] = {0, 4}, /* Right */
42 [0xcf] = {0, 5}, /* End */
43 [0x0d] = {0, 6}, /* KPPLUS */
44 [0xc7] = {1, 0}, /* Home */
45 [0x10] = {1, 1}, /* Q */
46 [0x17] = {1, 2}, /* I */
47 [0x22] = {1, 3}, /* G */
48 [0x2d] = {1, 4}, /* X */
49 [0x1c] = {1, 5}, /* Enter */
50 [0x0c] = {1, 6}, /* KPMINUS */
51 [0xc9] = {2, 0}, /* PageUp */
52 [0x11] = {2, 1}, /* W */
53 [0x18] = {2, 2}, /* O */
54 [0x23] = {2, 3}, /* H */
55 [0x2e] = {2, 4}, /* C */
56 [0x38] = {2, 5}, /* LeftAlt */
57 [0xd1] = {3, 0}, /* PageDown */
58 [0x12] = {3, 1}, /* E */
59 [0x19] = {3, 2}, /* P */
60 [0x24] = {3, 3}, /* J */
61 [0x2f] = {3, 4}, /* V */
62 [0x2a] = {3, 5}, /* LeftShift */
63 [0x01] = {4, 0}, /* Esc */
64 [0x13] = {4, 1}, /* R */
65 [0x1e] = {4, 2}, /* A */
66 [0x25] = {4, 3}, /* K */
67 [0x30] = {4, 4}, /* B */
68 [0x1d] = {4, 5}, /* LeftCtrl */
69 [0x0f] = {5, 0}, /* Tab */
70 [0x14] = {5, 1}, /* T */
71 [0x1f] = {5, 2}, /* S */
72 [0x26] = {5, 3}, /* L */
73 [0x31] = {5, 4}, /* N */
74 [0x39] = {5, 5}, /* Space */
75 [0x3c] = {6, 0}, /* Stop = F2 */
76 [0x15] = {6, 1}, /* Y */
77 [0x20] = {6, 2}, /* D */
78 [0x0e] = {6, 3}, /* Backspace */
79 [0x32] = {6, 4}, /* M */
80 [0x33] = {6, 5}, /* Comma */
81 [0x3d] = {7, 0}, /* Play = F3 */
82 [0x16] = {7, 1}, /* U */
83 [0x21] = {7, 2}, /* F */
84 [0x2c] = {7, 3}, /* Z */
85 [0x27] = {7, 4}, /* Semicolon */
86 [0x34] = {7, 5}, /* Dot */
89 #define Z2_RAM_SIZE 0x02000000
90 #define Z2_FLASH_BASE 0x00000000
91 #define Z2_FLASH_SIZE 0x00800000
93 static struct arm_boot_info z2_binfo
= {
94 .loader_start
= PXA2XX_SDRAM_BASE
,
95 .ram_size
= Z2_RAM_SIZE
,
98 #define Z2_GPIO_SD_DETECT 96
99 #define Z2_GPIO_AC_IN 0
100 #define Z2_GPIO_KEY_ON 1
101 #define Z2_GPIO_LCD_CS 88
112 static uint32_t zipit_lcd_transfer(SSISlave
*dev
, uint32_t value
)
114 ZipitLCD
*z
= FROM_SSI_SLAVE(ZipitLCD
, dev
);
117 z
->buf
[z
->pos
] = value
& 0xff;
123 DPRINTF("%s: reg: 0x%.2x\n", __func__
, z
->buf
[2]);
124 z
->cur_reg
= z
->buf
[2];
127 val
= z
->buf
[1] << 8 | z
->buf
[2];
128 DPRINTF("%s: value: 0x%.4x\n", __func__
, val
);
129 if (z
->cur_reg
== 0x22 && val
== 0x0000) {
131 printf("%s: LCD enabled\n", __func__
);
132 } else if (z
->cur_reg
== 0x10 && val
== 0x0000) {
134 printf("%s: LCD disabled\n", __func__
);
138 DPRINTF("%s: unknown command!\n", __func__
);
146 static void z2_lcd_cs(void *opaque
, int line
, int level
)
148 ZipitLCD
*z2_lcd
= opaque
;
149 z2_lcd
->selected
= !level
;
152 static int zipit_lcd_init(SSISlave
*dev
)
154 ZipitLCD
*z
= FROM_SSI_SLAVE(ZipitLCD
, dev
);
162 static VMStateDescription vmstate_zipit_lcd_state
= {
165 .minimum_version_id
= 1,
166 .minimum_version_id_old
= 1,
167 .fields
= (VMStateField
[]) {
168 VMSTATE_INT32(selected
, ZipitLCD
),
169 VMSTATE_INT32(enabled
, ZipitLCD
),
170 VMSTATE_BUFFER(buf
, ZipitLCD
),
171 VMSTATE_UINT32(cur_reg
, ZipitLCD
),
172 VMSTATE_INT32(pos
, ZipitLCD
),
173 VMSTATE_END_OF_LIST(),
177 static void zipit_lcd_class_init(ObjectClass
*klass
, void *data
)
179 SSISlaveClass
*k
= SSI_SLAVE_CLASS(klass
);
181 k
->init
= zipit_lcd_init
;
182 k
->transfer
= zipit_lcd_transfer
;
185 static DeviceInfo zipit_lcd_info
= {
187 .size
= sizeof(ZipitLCD
),
188 .vmsd
= &vmstate_zipit_lcd_state
,
189 .class_init
= zipit_lcd_class_init
,
198 static int aer915_send(I2CSlave
*i2c
, uint8_t data
)
200 AER915State
*s
= FROM_I2C_SLAVE(AER915State
, i2c
);
201 s
->buf
[s
->len
] = data
;
203 DPRINTF("%s: message too long (%i bytes)\n",
209 DPRINTF("%s: reg %d value 0x%02x\n", __func__
,
210 s
->buf
[0], s
->buf
[1]);
216 static void aer915_event(I2CSlave
*i2c
, enum i2c_event event
)
218 AER915State
*s
= FROM_I2C_SLAVE(AER915State
, i2c
);
225 DPRINTF("%s: short message!?\n", __func__
);
235 static int aer915_recv(I2CSlave
*slave
)
238 AER915State
*s
= FROM_I2C_SLAVE(AER915State
, slave
);
241 /* Return hardcoded battery voltage,
247 /* Return 0x00 for other regs,
248 * we don't know what they are for,
249 * anyway they return 0x00 on real hardware.
258 static int aer915_init(I2CSlave
*i2c
)
264 static VMStateDescription vmstate_aer915_state
= {
267 .minimum_version_id
= 1,
268 .minimum_version_id_old
= 1,
269 .fields
= (VMStateField
[]) {
270 VMSTATE_INT32(len
, AER915State
),
271 VMSTATE_BUFFER(buf
, AER915State
),
272 VMSTATE_END_OF_LIST(),
276 static void aer915_class_init(ObjectClass
*klass
, void *data
)
278 I2CSlaveClass
*k
= I2C_SLAVE_CLASS(klass
);
280 k
->init
= aer915_init
;
281 k
->event
= aer915_event
;
282 k
->recv
= aer915_recv
;
283 k
->send
= aer915_send
;
286 static DeviceInfo aer915_info
= {
288 .size
= sizeof(AER915State
),
289 .vmsd
= &vmstate_aer915_state
,
290 .class_init
= aer915_class_init
,
293 static void z2_init(ram_addr_t ram_size
,
294 const char *boot_device
,
295 const char *kernel_filename
, const char *kernel_cmdline
,
296 const char *initrd_filename
, const char *cpu_model
)
298 MemoryRegion
*address_space_mem
= get_system_memory();
299 uint32_t sector_len
= 0x10000;
308 cpu_model
= "pxa270-c5";
311 /* Setup CPU & memory */
312 cpu
= pxa270_init(address_space_mem
, z2_binfo
.ram_size
, cpu_model
);
314 #ifdef TARGET_WORDS_BIGENDIAN
319 dinfo
= drive_get(IF_PFLASH
, 0, 0);
321 fprintf(stderr
, "Flash image must be given with the "
322 "'pflash' parameter\n");
326 if (!pflash_cfi01_register(Z2_FLASH_BASE
,
327 NULL
, "z2.flash0", Z2_FLASH_SIZE
,
328 dinfo
->bdrv
, sector_len
,
329 Z2_FLASH_SIZE
/ sector_len
, 4, 0, 0, 0, 0,
331 fprintf(stderr
, "qemu: Error registering flash memory.\n");
336 pxa27x_register_keypad(cpu
->kp
, map
, 0x100);
339 pxa2xx_mmci_handlers(cpu
->mmc
,
341 qdev_get_gpio_in(cpu
->gpio
, Z2_GPIO_SD_DETECT
));
343 ssi_register_slave(&zipit_lcd_info
);
344 i2c_register_slave(&aer915_info
);
345 z2_lcd
= ssi_create_slave(cpu
->ssp
[1], "zipit-lcd");
346 bus
= pxa2xx_i2c_bus(cpu
->i2c
[0]);
347 i2c_create_slave(bus
, "aer915", 0x55);
348 wm
= i2c_create_slave(bus
, "wm8750", 0x1b);
349 cpu
->i2s
->opaque
= wm
;
350 cpu
->i2s
->codec_out
= wm8750_dac_dat
;
351 cpu
->i2s
->codec_in
= wm8750_adc_dat
;
352 wm8750_data_req_set(wm
, cpu
->i2s
->data_req
, cpu
->i2s
);
354 qdev_connect_gpio_out(cpu
->gpio
, Z2_GPIO_LCD_CS
,
355 qemu_allocate_irqs(z2_lcd_cs
, z2_lcd
, 1)[0]);
357 if (kernel_filename
) {
358 z2_binfo
.kernel_filename
= kernel_filename
;
359 z2_binfo
.kernel_cmdline
= kernel_cmdline
;
360 z2_binfo
.initrd_filename
= initrd_filename
;
361 z2_binfo
.board_id
= 0x6dd;
362 arm_load_kernel(cpu
->env
, &z2_binfo
);
366 static QEMUMachine z2_machine
= {
368 .desc
= "Zipit Z2 (PXA27x)",
372 static void z2_machine_init(void)
374 qemu_register_machine(&z2_machine
);
377 machine_init(z2_machine_init
);