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.
14 #include "qemu/osdep.h"
15 #include "qemu/units.h"
16 #include "hw/arm/pxa.h"
17 #include "hw/arm/boot.h"
18 #include "hw/i2c/i2c.h"
20 #include "hw/ssi/ssi.h"
21 #include "migration/vmstate.h"
22 #include "hw/boards.h"
23 #include "hw/block/flash.h"
24 #include "ui/console.h"
25 #include "hw/audio/wm8750.h"
26 #include "audio/audio.h"
27 #include "exec/address-spaces.h"
28 #include "qom/object.h"
29 #include "qapi/error.h"
32 static const 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
101 SSIPeripheral ssidev
;
109 #define TYPE_ZIPIT_LCD "zipit-lcd"
110 OBJECT_DECLARE_SIMPLE_TYPE(ZipitLCD
, ZIPIT_LCD
)
112 static uint32_t zipit_lcd_transfer(SSIPeripheral
*dev
, uint32_t value
)
114 ZipitLCD
*z
= ZIPIT_LCD(dev
);
117 trace_z2_lcd_reg_update(z
->cur_reg
, z
->buf
[0], z
->buf
[1], z
->buf
[2], value
);
119 z
->buf
[z
->pos
] = value
& 0xff;
125 z
->cur_reg
= z
->buf
[2];
128 val
= z
->buf
[1] << 8 | z
->buf
[2];
129 if (z
->cur_reg
== 0x22 && val
== 0x0000) {
131 trace_z2_lcd_enable_disable_result("enabled");
132 } else if (z
->cur_reg
== 0x10 && val
== 0x0000) {
134 trace_z2_lcd_enable_disable_result("disabled");
145 static void z2_lcd_cs(void *opaque
, int line
, int level
)
147 ZipitLCD
*z2_lcd
= opaque
;
148 z2_lcd
->selected
= !level
;
151 static void zipit_lcd_realize(SSIPeripheral
*dev
, Error
**errp
)
153 ZipitLCD
*z
= ZIPIT_LCD(dev
);
159 static const VMStateDescription vmstate_zipit_lcd_state
= {
162 .minimum_version_id
= 2,
163 .fields
= (const VMStateField
[]) {
164 VMSTATE_SSI_PERIPHERAL(ssidev
, ZipitLCD
),
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 void zipit_lcd_class_init(ObjectClass
*klass
, void *data
)
176 DeviceClass
*dc
= DEVICE_CLASS(klass
);
177 SSIPeripheralClass
*k
= SSI_PERIPHERAL_CLASS(klass
);
179 k
->realize
= zipit_lcd_realize
;
180 k
->transfer
= zipit_lcd_transfer
;
181 dc
->vmsd
= &vmstate_zipit_lcd_state
;
184 static const TypeInfo zipit_lcd_info
= {
185 .name
= TYPE_ZIPIT_LCD
,
186 .parent
= TYPE_SSI_PERIPHERAL
,
187 .instance_size
= sizeof(ZipitLCD
),
188 .class_init
= zipit_lcd_class_init
,
191 #define TYPE_AER915 "aer915"
192 OBJECT_DECLARE_SIMPLE_TYPE(AER915State
, AER915
)
201 static int aer915_send(I2CSlave
*i2c
, uint8_t data
)
203 AER915State
*s
= AER915(i2c
);
205 s
->buf
[s
->len
] = data
;
207 trace_z2_aer915_send_too_long(s
->len
);
212 trace_z2_aer915_send(s
->buf
[0], s
->buf
[1]);
218 static int aer915_event(I2CSlave
*i2c
, enum i2c_event event
)
220 AER915State
*s
= AER915(i2c
);
222 trace_z2_aer915_event(s
->len
, event
);
238 static uint8_t aer915_recv(I2CSlave
*slave
)
240 AER915State
*s
= AER915(slave
);
244 /* Return hardcoded battery voltage,
250 /* Return 0x00 for other regs,
251 * we don't know what they are for,
252 * anyway they return 0x00 on real hardware.
261 static const VMStateDescription vmstate_aer915_state
= {
264 .minimum_version_id
= 1,
265 .fields
= (const VMStateField
[]) {
266 VMSTATE_INT32(len
, AER915State
),
267 VMSTATE_BUFFER(buf
, AER915State
),
268 VMSTATE_END_OF_LIST(),
272 static void aer915_class_init(ObjectClass
*klass
, void *data
)
274 DeviceClass
*dc
= DEVICE_CLASS(klass
);
275 I2CSlaveClass
*k
= I2C_SLAVE_CLASS(klass
);
277 k
->event
= aer915_event
;
278 k
->recv
= aer915_recv
;
279 k
->send
= aer915_send
;
280 dc
->vmsd
= &vmstate_aer915_state
;
283 static const TypeInfo aer915_info
= {
285 .parent
= TYPE_I2C_SLAVE
,
286 .instance_size
= sizeof(AER915State
),
287 .class_init
= aer915_class_init
,
290 #define FLASH_SECTOR_SIZE (64 * KiB)
292 static void z2_init(MachineState
*machine
)
301 /* Setup CPU & memory */
302 mpu
= pxa270_init(z2_binfo
.ram_size
, machine
->cpu_type
);
304 dinfo
= drive_get(IF_PFLASH
, 0, 0);
305 pflash_cfi01_register(Z2_FLASH_BASE
, "z2.flash0", Z2_FLASH_SIZE
,
306 dinfo
? blk_by_legacy_dinfo(dinfo
) : NULL
,
307 FLASH_SECTOR_SIZE
, 4, 0, 0, 0, 0, 0);
310 pxa27x_register_keypad(mpu
->kp
, map
, 0x100);
313 pxa2xx_mmci_handlers(mpu
->mmc
,
315 qdev_get_gpio_in(mpu
->gpio
, Z2_GPIO_SD_DETECT
));
317 type_register_static(&zipit_lcd_info
);
318 type_register_static(&aer915_info
);
319 z2_lcd
= ssi_create_peripheral(mpu
->ssp
[1], TYPE_ZIPIT_LCD
);
320 bus
= pxa2xx_i2c_bus(mpu
->i2c
[0]);
322 i2c_slave_create_simple(bus
, TYPE_AER915
, 0x55);
324 i2c_dev
= i2c_slave_new(TYPE_WM8750
, 0x1b);
325 wm
= DEVICE(i2c_dev
);
327 if (machine
->audiodev
) {
328 qdev_prop_set_string(wm
, "audiodev", machine
->audiodev
);
330 i2c_slave_realize_and_unref(i2c_dev
, bus
, &error_abort
);
332 mpu
->i2s
->opaque
= wm
;
333 mpu
->i2s
->codec_out
= wm8750_dac_dat
;
334 mpu
->i2s
->codec_in
= wm8750_adc_dat
;
335 wm8750_data_req_set(wm
, mpu
->i2s
->data_req
, mpu
->i2s
);
337 qdev_connect_gpio_out(mpu
->gpio
, Z2_GPIO_LCD_CS
,
338 qemu_allocate_irq(z2_lcd_cs
, z2_lcd
, 0));
340 z2_binfo
.board_id
= 0x6dd;
341 arm_load_kernel(mpu
->cpu
, machine
, &z2_binfo
);
344 static void z2_machine_init(MachineClass
*mc
)
346 mc
->desc
= "Zipit Z2 (PXA27x)";
348 mc
->ignore_memory_transaction_failures
= true;
349 mc
->default_cpu_type
= ARM_CPU_TYPE_NAME("pxa270-c5");
350 mc
->deprecation_reason
= "machine is old and unmaintained";
352 machine_add_audiodev_property(mc
);
355 DEFINE_MACHINE("z2", z2_machine_init
)