Merge tag 'pull-ppc-20211129' of https://github.com/legoater/qemu into staging
[qemu.git] / hw / arm / tosa.c
1 /* vim:set shiftwidth=4 ts=4 et: */
2 /*
3 * PXA255 Sharp Zaurus SL-6000 PDA platform
4 *
5 * Copyright (c) 2008 Dmitry Baryshkov
6 *
7 * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
8 * This code is licensed under the GNU GPL v2.
9 *
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.
12 */
13
14 #include "qemu/osdep.h"
15 #include "qapi/error.h"
16 #include "sysemu/runstate.h"
17 #include "hw/arm/pxa.h"
18 #include "hw/arm/boot.h"
19 #include "hw/arm/sharpsl.h"
20 #include "hw/pcmcia.h"
21 #include "hw/boards.h"
22 #include "hw/display/tc6393xb.h"
23 #include "hw/i2c/i2c.h"
24 #include "hw/irq.h"
25 #include "hw/ssi/ssi.h"
26 #include "hw/sysbus.h"
27 #include "hw/misc/led.h"
28 #include "exec/address-spaces.h"
29 #include "qom/object.h"
30
31 #define TOSA_RAM 0x04000000
32 #define TOSA_ROM 0x00800000
33
34 #define TOSA_GPIO_USB_IN (5)
35 #define TOSA_GPIO_nSD_DETECT (9)
36 #define TOSA_GPIO_ON_RESET (19)
37 #define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
38 #define TOSA_GPIO_CF_CD (13)
39 #define TOSA_GPIO_TC6393XB_INT (15)
40 #define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
41
42 #define TOSA_SCOOP_GPIO_BASE 1
43 #define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
44 #define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
45 #define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
46
47 #define TOSA_SCOOP_JC_GPIO_BASE 1
48 #define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0)
49 #define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1)
50 #define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2)
51 #define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5)
52 #define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7)
53
54 #define DAC_BASE 0x4e
55 #define DAC_CH1 0
56 #define DAC_CH2 1
57
58 static void tosa_microdrive_attach(PXA2xxState *cpu)
59 {
60 PCMCIACardState *md;
61 DriveInfo *dinfo;
62
63 dinfo = drive_get(IF_IDE, 0, 0);
64 if (!dinfo || dinfo->media_cd)
65 return;
66 md = dscm1xxxx_init(dinfo);
67 pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
68 }
69
70 /*
71 * Encapsulation of some GPIO line behaviour for the Tosa board
72 *
73 * QEMU interface:
74 * + named GPIO inputs "leds[0..3]": assert to light LEDs
75 * + named GPIO input "reset": when asserted, resets the system
76 */
77
78 #define TYPE_TOSA_MISC_GPIO "tosa-misc-gpio"
79 OBJECT_DECLARE_SIMPLE_TYPE(TosaMiscGPIOState, TOSA_MISC_GPIO)
80
81 struct TosaMiscGPIOState {
82 SysBusDevice parent_obj;
83 };
84
85 static void tosa_reset(void *opaque, int line, int level)
86 {
87 if (level) {
88 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
89 }
90 }
91
92 static void tosa_misc_gpio_init(Object *obj)
93 {
94 DeviceState *dev = DEVICE(obj);
95
96 qdev_init_gpio_in_named(dev, tosa_reset, "reset", 1);
97 }
98
99 static void tosa_gpio_setup(PXA2xxState *cpu,
100 DeviceState *scp0,
101 DeviceState *scp1,
102 TC6393xbState *tmio)
103 {
104 DeviceState *misc_gpio;
105 LEDState *led[4];
106
107 misc_gpio = sysbus_create_simple(TYPE_TOSA_MISC_GPIO, -1, NULL);
108
109 /* MMC/SD host */
110 pxa2xx_mmci_handlers(cpu->mmc,
111 qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP),
112 qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT)));
113
114 /* Handle reset */
115 qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET,
116 qdev_get_gpio_in_named(misc_gpio, "reset", 0));
117
118 /* PCMCIA signals: card's IRQ and Card-Detect */
119 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
120 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ),
121 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD));
122
123 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
124 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ),
125 NULL);
126
127 led[0] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
128 LED_COLOR_BLUE, "bluetooth");
129 led[1] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
130 LED_COLOR_GREEN, "note");
131 led[2] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
132 LED_COLOR_AMBER, "charger-error");
133 led[3] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
134 LED_COLOR_GREEN, "wlan");
135
136 qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED,
137 qdev_get_gpio_in(DEVICE(led[0]), 0));
138 qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED,
139 qdev_get_gpio_in(DEVICE(led[1]), 0));
140 qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED,
141 qdev_get_gpio_in(DEVICE(led[2]), 0));
142 qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED,
143 qdev_get_gpio_in(DEVICE(led[3]), 0));
144
145 qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio));
146
147 /* UDC Vbus */
148 qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN));
149 }
150
151 static uint32_t tosa_ssp_tansfer(SSIPeripheral *dev, uint32_t value)
152 {
153 fprintf(stderr, "TG: %u %02x\n", value >> 5, value & 0x1f);
154 return 0;
155 }
156
157 static void tosa_ssp_realize(SSIPeripheral *dev, Error **errp)
158 {
159 /* Nothing to do. */
160 }
161
162 #define TYPE_TOSA_DAC "tosa_dac"
163 OBJECT_DECLARE_SIMPLE_TYPE(TosaDACState, TOSA_DAC)
164
165 struct TosaDACState {
166 I2CSlave parent_obj;
167
168 int len;
169 char buf[3];
170 };
171
172 static int tosa_dac_send(I2CSlave *i2c, uint8_t data)
173 {
174 TosaDACState *s = TOSA_DAC(i2c);
175
176 s->buf[s->len] = data;
177 if (s->len ++ > 2) {
178 #ifdef VERBOSE
179 fprintf(stderr, "%s: message too long (%i bytes)\n", __func__, s->len);
180 #endif
181 return 1;
182 }
183
184 if (s->len == 2) {
185 fprintf(stderr, "dac: channel %d value 0x%02x\n",
186 s->buf[0], s->buf[1]);
187 }
188
189 return 0;
190 }
191
192 static int tosa_dac_event(I2CSlave *i2c, enum i2c_event event)
193 {
194 TosaDACState *s = TOSA_DAC(i2c);
195
196 s->len = 0;
197 switch (event) {
198 case I2C_START_SEND:
199 break;
200 case I2C_START_RECV:
201 printf("%s: recv not supported!!!\n", __func__);
202 break;
203 case I2C_FINISH:
204 #ifdef VERBOSE
205 if (s->len < 2)
206 printf("%s: message too short (%i bytes)\n", __func__, s->len);
207 if (s->len > 2)
208 printf("%s: message too long\n", __func__);
209 #endif
210 break;
211 default:
212 break;
213 }
214
215 return 0;
216 }
217
218 static uint8_t tosa_dac_recv(I2CSlave *s)
219 {
220 printf("%s: recv not supported!!!\n", __func__);
221 return 0xff;
222 }
223
224 static void tosa_tg_init(PXA2xxState *cpu)
225 {
226 I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
227 i2c_slave_create_simple(bus, TYPE_TOSA_DAC, DAC_BASE);
228 ssi_create_peripheral(cpu->ssp[1], "tosa-ssp");
229 }
230
231
232 static struct arm_boot_info tosa_binfo = {
233 .loader_start = PXA2XX_SDRAM_BASE,
234 .ram_size = 0x04000000,
235 };
236
237 static void tosa_init(MachineState *machine)
238 {
239 MemoryRegion *address_space_mem = get_system_memory();
240 MemoryRegion *rom = g_new(MemoryRegion, 1);
241 PXA2xxState *mpu;
242 TC6393xbState *tmio;
243 DeviceState *scp0, *scp1;
244
245 mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size);
246
247 memory_region_init_rom(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal);
248 memory_region_add_subregion(address_space_mem, 0, rom);
249
250 tmio = tc6393xb_init(address_space_mem, 0x10000000,
251 qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT));
252
253 scp0 = sysbus_create_simple("scoop", 0x08800000, NULL);
254 scp1 = sysbus_create_simple("scoop", 0x14800040, NULL);
255
256 tosa_gpio_setup(mpu, scp0, scp1, tmio);
257
258 tosa_microdrive_attach(mpu);
259
260 tosa_tg_init(mpu);
261
262 tosa_binfo.board_id = 0x208;
263 arm_load_kernel(mpu->cpu, machine, &tosa_binfo);
264 sl_bootparam_write(SL_PXA_PARAM_BASE);
265 }
266
267 static void tosapda_machine_init(MachineClass *mc)
268 {
269 mc->desc = "Sharp SL-6000 (Tosa) PDA (PXA255)";
270 mc->init = tosa_init;
271 mc->block_default_type = IF_IDE;
272 mc->ignore_memory_transaction_failures = true;
273 }
274
275 DEFINE_MACHINE("tosa", tosapda_machine_init)
276
277 static void tosa_dac_class_init(ObjectClass *klass, void *data)
278 {
279 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
280
281 k->event = tosa_dac_event;
282 k->recv = tosa_dac_recv;
283 k->send = tosa_dac_send;
284 }
285
286 static const TypeInfo tosa_dac_info = {
287 .name = TYPE_TOSA_DAC,
288 .parent = TYPE_I2C_SLAVE,
289 .instance_size = sizeof(TosaDACState),
290 .class_init = tosa_dac_class_init,
291 };
292
293 static void tosa_ssp_class_init(ObjectClass *klass, void *data)
294 {
295 SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
296
297 k->realize = tosa_ssp_realize;
298 k->transfer = tosa_ssp_tansfer;
299 }
300
301 static const TypeInfo tosa_ssp_info = {
302 .name = "tosa-ssp",
303 .parent = TYPE_SSI_PERIPHERAL,
304 .instance_size = sizeof(SSIPeripheral),
305 .class_init = tosa_ssp_class_init,
306 };
307
308 static const TypeInfo tosa_misc_gpio_info = {
309 .name = TYPE_TOSA_MISC_GPIO,
310 .parent = TYPE_SYS_BUS_DEVICE,
311 .instance_size = sizeof(TosaMiscGPIOState),
312 .instance_init = tosa_misc_gpio_init,
313 /*
314 * No class init required: device has no internal state so does not
315 * need to set up reset or vmstate, and has no realize method.
316 */
317 };
318
319 static void tosa_register_types(void)
320 {
321 type_register_static(&tosa_dac_info);
322 type_register_static(&tosa_ssp_info);
323 type_register_static(&tosa_misc_gpio_info);
324 }
325
326 type_init(tosa_register_types)