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.
15 #include "hw/arm/pxa.h"
16 #include "hw/arm/arm.h"
17 #include "hw/devices.h"
18 #include "hw/i2c/i2c.h"
20 #include "hw/boards.h"
21 #include "sysemu/sysemu.h"
22 #include "hw/block/flash.h"
23 #include "sysemu/block-backend.h"
24 #include "ui/console.h"
25 #include "audio/audio.h"
26 #include "exec/address-spaces.h"
27 #include "sysemu/qtest.h"
30 #define DPRINTF(fmt, ...) \
31 printf(fmt, ## __VA_ARGS__)
33 #define DPRINTF(fmt, ...)
36 static const struct keymap map
[0x100] = {
37 [0 ... 0xff] = { -1, -1 },
38 [0x3b] = {0, 0}, /* Option = F1 */
39 [0xc8] = {0, 1}, /* Up */
40 [0xd0] = {0, 2}, /* Down */
41 [0xcb] = {0, 3}, /* Left */
42 [0xcd] = {0, 4}, /* Right */
43 [0xcf] = {0, 5}, /* End */
44 [0x0d] = {0, 6}, /* KPPLUS */
45 [0xc7] = {1, 0}, /* Home */
46 [0x10] = {1, 1}, /* Q */
47 [0x17] = {1, 2}, /* I */
48 [0x22] = {1, 3}, /* G */
49 [0x2d] = {1, 4}, /* X */
50 [0x1c] = {1, 5}, /* Enter */
51 [0x0c] = {1, 6}, /* KPMINUS */
52 [0xc9] = {2, 0}, /* PageUp */
53 [0x11] = {2, 1}, /* W */
54 [0x18] = {2, 2}, /* O */
55 [0x23] = {2, 3}, /* H */
56 [0x2e] = {2, 4}, /* C */
57 [0x38] = {2, 5}, /* LeftAlt */
58 [0xd1] = {3, 0}, /* PageDown */
59 [0x12] = {3, 1}, /* E */
60 [0x19] = {3, 2}, /* P */
61 [0x24] = {3, 3}, /* J */
62 [0x2f] = {3, 4}, /* V */
63 [0x2a] = {3, 5}, /* LeftShift */
64 [0x01] = {4, 0}, /* Esc */
65 [0x13] = {4, 1}, /* R */
66 [0x1e] = {4, 2}, /* A */
67 [0x25] = {4, 3}, /* K */
68 [0x30] = {4, 4}, /* B */
69 [0x1d] = {4, 5}, /* LeftCtrl */
70 [0x0f] = {5, 0}, /* Tab */
71 [0x14] = {5, 1}, /* T */
72 [0x1f] = {5, 2}, /* S */
73 [0x26] = {5, 3}, /* L */
74 [0x31] = {5, 4}, /* N */
75 [0x39] = {5, 5}, /* Space */
76 [0x3c] = {6, 0}, /* Stop = F2 */
77 [0x15] = {6, 1}, /* Y */
78 [0x20] = {6, 2}, /* D */
79 [0x0e] = {6, 3}, /* Backspace */
80 [0x32] = {6, 4}, /* M */
81 [0x33] = {6, 5}, /* Comma */
82 [0x3d] = {7, 0}, /* Play = F3 */
83 [0x16] = {7, 1}, /* U */
84 [0x21] = {7, 2}, /* F */
85 [0x2c] = {7, 3}, /* Z */
86 [0x27] = {7, 4}, /* Semicolon */
87 [0x34] = {7, 5}, /* Dot */
90 #define Z2_RAM_SIZE 0x02000000
91 #define Z2_FLASH_BASE 0x00000000
92 #define Z2_FLASH_SIZE 0x00800000
94 static struct arm_boot_info z2_binfo
= {
95 .loader_start
= PXA2XX_SDRAM_BASE
,
96 .ram_size
= Z2_RAM_SIZE
,
99 #define Z2_GPIO_SD_DETECT 96
100 #define Z2_GPIO_AC_IN 0
101 #define Z2_GPIO_KEY_ON 1
102 #define Z2_GPIO_LCD_CS 88
113 static uint32_t zipit_lcd_transfer(SSISlave
*dev
, uint32_t value
)
115 ZipitLCD
*z
= FROM_SSI_SLAVE(ZipitLCD
, dev
);
118 z
->buf
[z
->pos
] = value
& 0xff;
124 DPRINTF("%s: reg: 0x%.2x\n", __func__
, z
->buf
[2]);
125 z
->cur_reg
= z
->buf
[2];
128 val
= z
->buf
[1] << 8 | z
->buf
[2];
129 DPRINTF("%s: value: 0x%.4x\n", __func__
, val
);
130 if (z
->cur_reg
== 0x22 && val
== 0x0000) {
132 printf("%s: LCD enabled\n", __func__
);
133 } else if (z
->cur_reg
== 0x10 && val
== 0x0000) {
135 printf("%s: LCD disabled\n", __func__
);
139 DPRINTF("%s: unknown command!\n", __func__
);
147 static void z2_lcd_cs(void *opaque
, int line
, int level
)
149 ZipitLCD
*z2_lcd
= opaque
;
150 z2_lcd
->selected
= !level
;
153 static int zipit_lcd_init(SSISlave
*dev
)
155 ZipitLCD
*z
= FROM_SSI_SLAVE(ZipitLCD
, dev
);
163 static VMStateDescription vmstate_zipit_lcd_state
= {
166 .minimum_version_id
= 2,
167 .fields
= (VMStateField
[]) {
168 VMSTATE_SSI_SLAVE(ssidev
, ZipitLCD
),
169 VMSTATE_INT32(selected
, ZipitLCD
),
170 VMSTATE_INT32(enabled
, ZipitLCD
),
171 VMSTATE_BUFFER(buf
, ZipitLCD
),
172 VMSTATE_UINT32(cur_reg
, ZipitLCD
),
173 VMSTATE_INT32(pos
, ZipitLCD
),
174 VMSTATE_END_OF_LIST(),
178 static void zipit_lcd_class_init(ObjectClass
*klass
, void *data
)
180 DeviceClass
*dc
= DEVICE_CLASS(klass
);
181 SSISlaveClass
*k
= SSI_SLAVE_CLASS(klass
);
183 k
->init
= zipit_lcd_init
;
184 k
->transfer
= zipit_lcd_transfer
;
185 dc
->vmsd
= &vmstate_zipit_lcd_state
;
188 static const TypeInfo zipit_lcd_info
= {
190 .parent
= TYPE_SSI_SLAVE
,
191 .instance_size
= sizeof(ZipitLCD
),
192 .class_init
= zipit_lcd_class_init
,
195 #define TYPE_AER915 "aer915"
196 #define AER915(obj) OBJECT_CHECK(AER915State, (obj), TYPE_AER915)
198 typedef struct AER915State
{
205 static int aer915_send(I2CSlave
*i2c
, uint8_t data
)
207 AER915State
*s
= AER915(i2c
);
209 s
->buf
[s
->len
] = data
;
211 DPRINTF("%s: message too long (%i bytes)\n",
217 DPRINTF("%s: reg %d value 0x%02x\n", __func__
,
218 s
->buf
[0], s
->buf
[1]);
224 static void aer915_event(I2CSlave
*i2c
, enum i2c_event event
)
226 AER915State
*s
= AER915(i2c
);
234 DPRINTF("%s: short message!?\n", __func__
);
244 static int aer915_recv(I2CSlave
*slave
)
246 AER915State
*s
= AER915(slave
);
250 /* Return hardcoded battery voltage,
256 /* Return 0x00 for other regs,
257 * we don't know what they are for,
258 * anyway they return 0x00 on real hardware.
267 static int aer915_init(I2CSlave
*i2c
)
273 static VMStateDescription vmstate_aer915_state
= {
276 .minimum_version_id
= 1,
277 .fields
= (VMStateField
[]) {
278 VMSTATE_INT32(len
, AER915State
),
279 VMSTATE_BUFFER(buf
, AER915State
),
280 VMSTATE_END_OF_LIST(),
284 static void aer915_class_init(ObjectClass
*klass
, void *data
)
286 DeviceClass
*dc
= DEVICE_CLASS(klass
);
287 I2CSlaveClass
*k
= I2C_SLAVE_CLASS(klass
);
289 k
->init
= aer915_init
;
290 k
->event
= aer915_event
;
291 k
->recv
= aer915_recv
;
292 k
->send
= aer915_send
;
293 dc
->vmsd
= &vmstate_aer915_state
;
296 static const TypeInfo aer915_info
= {
298 .parent
= TYPE_I2C_SLAVE
,
299 .instance_size
= sizeof(AER915State
),
300 .class_init
= aer915_class_init
,
303 static void z2_init(MachineState
*machine
)
305 const char *cpu_model
= machine
->cpu_model
;
306 const char *kernel_filename
= machine
->kernel_filename
;
307 const char *kernel_cmdline
= machine
->kernel_cmdline
;
308 const char *initrd_filename
= machine
->initrd_filename
;
309 MemoryRegion
*address_space_mem
= get_system_memory();
310 uint32_t sector_len
= 0x10000;
319 cpu_model
= "pxa270-c5";
322 /* Setup CPU & memory */
323 mpu
= pxa270_init(address_space_mem
, z2_binfo
.ram_size
, cpu_model
);
325 #ifdef TARGET_WORDS_BIGENDIAN
330 dinfo
= drive_get(IF_PFLASH
, 0, 0);
331 if (!dinfo
&& !qtest_enabled()) {
332 fprintf(stderr
, "Flash image must be given with the "
333 "'pflash' parameter\n");
337 if (!pflash_cfi01_register(Z2_FLASH_BASE
,
338 NULL
, "z2.flash0", Z2_FLASH_SIZE
,
339 dinfo
? blk_by_legacy_dinfo(dinfo
) : NULL
,
340 sector_len
, Z2_FLASH_SIZE
/ sector_len
,
341 4, 0, 0, 0, 0, be
)) {
342 fprintf(stderr
, "qemu: Error registering flash memory.\n");
347 pxa27x_register_keypad(mpu
->kp
, map
, 0x100);
350 pxa2xx_mmci_handlers(mpu
->mmc
,
352 qdev_get_gpio_in(mpu
->gpio
, Z2_GPIO_SD_DETECT
));
354 type_register_static(&zipit_lcd_info
);
355 type_register_static(&aer915_info
);
356 z2_lcd
= ssi_create_slave(mpu
->ssp
[1], "zipit-lcd");
357 bus
= pxa2xx_i2c_bus(mpu
->i2c
[0]);
358 i2c_create_slave(bus
, TYPE_AER915
, 0x55);
359 wm
= i2c_create_slave(bus
, "wm8750", 0x1b);
360 mpu
->i2s
->opaque
= wm
;
361 mpu
->i2s
->codec_out
= wm8750_dac_dat
;
362 mpu
->i2s
->codec_in
= wm8750_adc_dat
;
363 wm8750_data_req_set(wm
, mpu
->i2s
->data_req
, mpu
->i2s
);
365 qdev_connect_gpio_out(mpu
->gpio
, Z2_GPIO_LCD_CS
,
366 qemu_allocate_irq(z2_lcd_cs
, z2_lcd
, 0));
368 z2_binfo
.kernel_filename
= kernel_filename
;
369 z2_binfo
.kernel_cmdline
= kernel_cmdline
;
370 z2_binfo
.initrd_filename
= initrd_filename
;
371 z2_binfo
.board_id
= 0x6dd;
372 arm_load_kernel(mpu
->cpu
, &z2_binfo
);
375 static QEMUMachine z2_machine
= {
377 .desc
= "Zipit Z2 (PXA27x)",
381 static void z2_machine_init(void)
383 qemu_register_machine(&z2_machine
);
386 machine_init(z2_machine_init
);