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21#include "qemu/osdep.h"
22#include "qemu-common.h"
23#include "qemu/timer.h"
24#include "hw/usb.h"
25#include "hw/arm/omap.h"
26#include "hw/irq.h"
27#include "hw/devices.h"
28#include "hw/sysbus.h"
29
30#define TYPE_TUSB6010 "tusb6010"
31#define TUSB(obj) OBJECT_CHECK(TUSBState, (obj), TYPE_TUSB6010)
32
33typedef struct TUSBState {
34 SysBusDevice parent_obj;
35
36 MemoryRegion iomem[2];
37 qemu_irq irq;
38 MUSBState *musb;
39 QEMUTimer *otg_timer;
40 QEMUTimer *pwr_timer;
41
42 int power;
43 uint32_t scratch;
44 uint16_t test_reset;
45 uint32_t prcm_config;
46 uint32_t prcm_mngmt;
47 uint16_t otg_status;
48 uint32_t dev_config;
49 int host_mode;
50 uint32_t intr;
51 uint32_t intr_ok;
52 uint32_t mask;
53 uint32_t usbip_intr;
54 uint32_t usbip_mask;
55 uint32_t gpio_intr;
56 uint32_t gpio_mask;
57 uint32_t gpio_config;
58 uint32_t dma_intr;
59 uint32_t dma_mask;
60 uint32_t dma_map;
61 uint32_t dma_config;
62 uint32_t ep0_config;
63 uint32_t rx_config[15];
64 uint32_t tx_config[15];
65 uint32_t wkup_mask;
66 uint32_t pullup[2];
67 uint32_t control_config;
68 uint32_t otg_timer_val;
69} TUSBState;
70
71#define TUSB_DEVCLOCK 60000000
72
73#define TUSB_VLYNQ_CTRL 0x004
74
75
76#define TUSB_BASE_OFFSET 0x400
77
78
79#define TUSB_FIFO_BASE 0x600
80
81
82#define TUSB_SYS_REG_BASE 0x800
83
84#define TUSB_DEV_CONF (TUSB_SYS_REG_BASE + 0x000)
85#define TUSB_DEV_CONF_USB_HOST_MODE (1 << 16)
86#define TUSB_DEV_CONF_PROD_TEST_MODE (1 << 15)
87#define TUSB_DEV_CONF_SOFT_ID (1 << 1)
88#define TUSB_DEV_CONF_ID_SEL (1 << 0)
89
90#define TUSB_PHY_OTG_CTRL_ENABLE (TUSB_SYS_REG_BASE + 0x004)
91#define TUSB_PHY_OTG_CTRL (TUSB_SYS_REG_BASE + 0x008)
92#define TUSB_PHY_OTG_CTRL_WRPROTECT (0xa5 << 24)
93#define TUSB_PHY_OTG_CTRL_O_ID_PULLUP (1 << 23)
94#define TUSB_PHY_OTG_CTRL_O_VBUS_DET_EN (1 << 19)
95#define TUSB_PHY_OTG_CTRL_O_SESS_END_EN (1 << 18)
96#define TUSB_PHY_OTG_CTRL_TESTM2 (1 << 17)
97#define TUSB_PHY_OTG_CTRL_TESTM1 (1 << 16)
98#define TUSB_PHY_OTG_CTRL_TESTM0 (1 << 15)
99#define TUSB_PHY_OTG_CTRL_TX_DATA2 (1 << 14)
100#define TUSB_PHY_OTG_CTRL_TX_GZ2 (1 << 13)
101#define TUSB_PHY_OTG_CTRL_TX_ENABLE2 (1 << 12)
102#define TUSB_PHY_OTG_CTRL_DM_PULLDOWN (1 << 11)
103#define TUSB_PHY_OTG_CTRL_DP_PULLDOWN (1 << 10)
104#define TUSB_PHY_OTG_CTRL_OSC_EN (1 << 9)
105#define TUSB_PHY_OTG_CTRL_PHYREF_CLK(v) (((v) & 3) << 7)
106#define TUSB_PHY_OTG_CTRL_PD (1 << 6)
107#define TUSB_PHY_OTG_CTRL_PLL_ON (1 << 5)
108#define TUSB_PHY_OTG_CTRL_EXT_RPU (1 << 4)
109#define TUSB_PHY_OTG_CTRL_PWR_GOOD (1 << 3)
110#define TUSB_PHY_OTG_CTRL_RESET (1 << 2)
111#define TUSB_PHY_OTG_CTRL_SUSPENDM (1 << 1)
112#define TUSB_PHY_OTG_CTRL_CLK_MODE (1 << 0)
113
114
115#define TUSB_DEV_OTG_STAT (TUSB_SYS_REG_BASE + 0x00c)
116#define TUSB_DEV_OTG_STAT_PWR_CLK_GOOD (1 << 8)
117#define TUSB_DEV_OTG_STAT_SESS_END (1 << 7)
118#define TUSB_DEV_OTG_STAT_SESS_VALID (1 << 6)
119#define TUSB_DEV_OTG_STAT_VBUS_VALID (1 << 5)
120#define TUSB_DEV_OTG_STAT_VBUS_SENSE (1 << 4)
121#define TUSB_DEV_OTG_STAT_ID_STATUS (1 << 3)
122#define TUSB_DEV_OTG_STAT_HOST_DISCON (1 << 2)
123#define TUSB_DEV_OTG_STAT_LINE_STATE (3 << 0)
124#define TUSB_DEV_OTG_STAT_DP_ENABLE (1 << 1)
125#define TUSB_DEV_OTG_STAT_DM_ENABLE (1 << 0)
126
127#define TUSB_DEV_OTG_TIMER (TUSB_SYS_REG_BASE + 0x010)
128#define TUSB_DEV_OTG_TIMER_ENABLE (1 << 31)
129#define TUSB_DEV_OTG_TIMER_VAL(v) ((v) & 0x07ffffff)
130#define TUSB_PRCM_REV (TUSB_SYS_REG_BASE + 0x014)
131
132
133#define TUSB_PRCM_CONF (TUSB_SYS_REG_BASE + 0x018)
134#define TUSB_PRCM_CONF_SFW_CPEN (1 << 24)
135#define TUSB_PRCM_CONF_SYS_CLKSEL(v) (((v) & 3) << 16)
136
137
138#define TUSB_PRCM_MNGMT (TUSB_SYS_REG_BASE + 0x01c)
139#define TUSB_PRCM_MNGMT_SRP_FIX_TMR(v) (((v) & 0xf) << 25)
140#define TUSB_PRCM_MNGMT_SRP_FIX_EN (1 << 24)
141#define TUSB_PRCM_MNGMT_VBUS_VAL_TMR(v) (((v) & 0xf) << 20)
142#define TUSB_PRCM_MNGMT_VBUS_VAL_FLT_EN (1 << 19)
143#define TUSB_PRCM_MNGMT_DFT_CLK_DIS (1 << 18)
144#define TUSB_PRCM_MNGMT_VLYNQ_CLK_DIS (1 << 17)
145#define TUSB_PRCM_MNGMT_OTG_SESS_END_EN (1 << 10)
146#define TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN (1 << 9)
147#define TUSB_PRCM_MNGMT_OTG_ID_PULLUP (1 << 8)
148#define TUSB_PRCM_MNGMT_15_SW_EN (1 << 4)
149#define TUSB_PRCM_MNGMT_33_SW_EN (1 << 3)
150#define TUSB_PRCM_MNGMT_5V_CPEN (1 << 2)
151#define TUSB_PRCM_MNGMT_PM_IDLE (1 << 1)
152#define TUSB_PRCM_MNGMT_DEV_IDLE (1 << 0)
153
154
155#define TUSB_PRCM_WAKEUP_SOURCE (TUSB_SYS_REG_BASE + 0x020)
156#define TUSB_PRCM_WAKEUP_CLEAR (TUSB_SYS_REG_BASE + 0x028)
157#define TUSB_PRCM_WAKEUP_MASK (TUSB_SYS_REG_BASE + 0x02c)
158#define TUSB_PRCM_WAKEUP_RESERVED_BITS (0xffffe << 13)
159#define TUSB_PRCM_WGPIO_7 (1 << 12)
160#define TUSB_PRCM_WGPIO_6 (1 << 11)
161#define TUSB_PRCM_WGPIO_5 (1 << 10)
162#define TUSB_PRCM_WGPIO_4 (1 << 9)
163#define TUSB_PRCM_WGPIO_3 (1 << 8)
164#define TUSB_PRCM_WGPIO_2 (1 << 7)
165#define TUSB_PRCM_WGPIO_1 (1 << 6)
166#define TUSB_PRCM_WGPIO_0 (1 << 5)
167#define TUSB_PRCM_WHOSTDISCON (1 << 4)
168#define TUSB_PRCM_WBUS (1 << 3)
169#define TUSB_PRCM_WNORCS (1 << 2)
170#define TUSB_PRCM_WVBUS (1 << 1)
171#define TUSB_PRCM_WID (1 << 0)
172
173#define TUSB_PULLUP_1_CTRL (TUSB_SYS_REG_BASE + 0x030)
174#define TUSB_PULLUP_2_CTRL (TUSB_SYS_REG_BASE + 0x034)
175#define TUSB_INT_CTRL_REV (TUSB_SYS_REG_BASE + 0x038)
176#define TUSB_INT_CTRL_CONF (TUSB_SYS_REG_BASE + 0x03c)
177#define TUSB_USBIP_INT_SRC (TUSB_SYS_REG_BASE + 0x040)
178#define TUSB_USBIP_INT_SET (TUSB_SYS_REG_BASE + 0x044)
179#define TUSB_USBIP_INT_CLEAR (TUSB_SYS_REG_BASE + 0x048)
180#define TUSB_USBIP_INT_MASK (TUSB_SYS_REG_BASE + 0x04c)
181#define TUSB_DMA_INT_SRC (TUSB_SYS_REG_BASE + 0x050)
182#define TUSB_DMA_INT_SET (TUSB_SYS_REG_BASE + 0x054)
183#define TUSB_DMA_INT_CLEAR (TUSB_SYS_REG_BASE + 0x058)
184#define TUSB_DMA_INT_MASK (TUSB_SYS_REG_BASE + 0x05c)
185#define TUSB_GPIO_INT_SRC (TUSB_SYS_REG_BASE + 0x060)
186#define TUSB_GPIO_INT_SET (TUSB_SYS_REG_BASE + 0x064)
187#define TUSB_GPIO_INT_CLEAR (TUSB_SYS_REG_BASE + 0x068)
188#define TUSB_GPIO_INT_MASK (TUSB_SYS_REG_BASE + 0x06c)
189
190
191#define TUSB_INT_SRC (TUSB_SYS_REG_BASE + 0x070)
192#define TUSB_INT_SRC_SET (TUSB_SYS_REG_BASE + 0x074)
193#define TUSB_INT_SRC_CLEAR (TUSB_SYS_REG_BASE + 0x078)
194#define TUSB_INT_MASK (TUSB_SYS_REG_BASE + 0x07c)
195#define TUSB_INT_SRC_TXRX_DMA_DONE (1 << 24)
196#define TUSB_INT_SRC_USB_IP_CORE (1 << 17)
197#define TUSB_INT_SRC_OTG_TIMEOUT (1 << 16)
198#define TUSB_INT_SRC_VBUS_SENSE_CHNG (1 << 15)
199#define TUSB_INT_SRC_ID_STATUS_CHNG (1 << 14)
200#define TUSB_INT_SRC_DEV_WAKEUP (1 << 13)
201#define TUSB_INT_SRC_DEV_READY (1 << 12)
202#define TUSB_INT_SRC_USB_IP_TX (1 << 9)
203#define TUSB_INT_SRC_USB_IP_RX (1 << 8)
204#define TUSB_INT_SRC_USB_IP_VBUS_ERR (1 << 7)
205#define TUSB_INT_SRC_USB_IP_VBUS_REQ (1 << 6)
206#define TUSB_INT_SRC_USB_IP_DISCON (1 << 5)
207#define TUSB_INT_SRC_USB_IP_CONN (1 << 4)
208#define TUSB_INT_SRC_USB_IP_SOF (1 << 3)
209#define TUSB_INT_SRC_USB_IP_RST_BABBLE (1 << 2)
210#define TUSB_INT_SRC_USB_IP_RESUME (1 << 1)
211#define TUSB_INT_SRC_USB_IP_SUSPEND (1 << 0)
212
213#define TUSB_GPIO_REV (TUSB_SYS_REG_BASE + 0x080)
214#define TUSB_GPIO_CONF (TUSB_SYS_REG_BASE + 0x084)
215#define TUSB_DMA_CTRL_REV (TUSB_SYS_REG_BASE + 0x100)
216#define TUSB_DMA_REQ_CONF (TUSB_SYS_REG_BASE + 0x104)
217#define TUSB_EP0_CONF (TUSB_SYS_REG_BASE + 0x108)
218#define TUSB_EP_IN_SIZE (TUSB_SYS_REG_BASE + 0x10c)
219#define TUSB_DMA_EP_MAP (TUSB_SYS_REG_BASE + 0x148)
220#define TUSB_EP_OUT_SIZE (TUSB_SYS_REG_BASE + 0x14c)
221#define TUSB_EP_MAX_PACKET_SIZE_OFFSET (TUSB_SYS_REG_BASE + 0x188)
222#define TUSB_SCRATCH_PAD (TUSB_SYS_REG_BASE + 0x1c4)
223#define TUSB_WAIT_COUNT (TUSB_SYS_REG_BASE + 0x1c8)
224#define TUSB_PROD_TEST_RESET (TUSB_SYS_REG_BASE + 0x1d8)
225
226#define TUSB_DIDR1_LO (TUSB_SYS_REG_BASE + 0x1f8)
227#define TUSB_DIDR1_HI (TUSB_SYS_REG_BASE + 0x1fc)
228
229
230#define TUSB_INT_CTRL_CONF_INT_RLCYC(v) (((v) & 0x7) << 18)
231#define TUSB_INT_CTRL_CONF_INT_POLARITY (1 << 17)
232#define TUSB_INT_CTRL_CONF_INT_MODE (1 << 16)
233#define TUSB_GPIO_CONF_DMAREQ(v) (((v) & 0x3f) << 24)
234#define TUSB_DMA_REQ_CONF_BURST_SIZE(v) (((v) & 3) << 26)
235#define TUSB_DMA_REQ_CONF_DMA_RQ_EN(v) (((v) & 0x3f) << 20)
236#define TUSB_DMA_REQ_CONF_DMA_RQ_ASR(v) (((v) & 0xf) << 16)
237#define TUSB_EP0_CONFIG_SW_EN (1 << 8)
238#define TUSB_EP0_CONFIG_DIR_TX (1 << 7)
239#define TUSB_EP0_CONFIG_XFR_SIZE(v) ((v) & 0x7f)
240#define TUSB_EP_CONFIG_SW_EN (1 << 31)
241#define TUSB_EP_CONFIG_XFR_SIZE(v) ((v) & 0x7fffffff)
242#define TUSB_PROD_TEST_RESET_VAL 0xa596
243
244static void tusb_intr_update(TUSBState *s)
245{
246 if (s->control_config & TUSB_INT_CTRL_CONF_INT_POLARITY)
247 qemu_set_irq(s->irq, s->intr & ~s->mask & s->intr_ok);
248 else
249 qemu_set_irq(s->irq, (!(s->intr & ~s->mask)) & s->intr_ok);
250}
251
252static void tusb_usbip_intr_update(TUSBState *s)
253{
254
255 if (s->usbip_intr & 0x0000ffff & ~s->usbip_mask)
256 s->intr |= TUSB_INT_SRC_USB_IP_TX;
257 else
258 s->intr &= ~TUSB_INT_SRC_USB_IP_TX;
259
260
261 if (s->usbip_intr & 0xffff0000 & ~s->usbip_mask)
262 s->intr |= TUSB_INT_SRC_USB_IP_RX;
263 else
264 s->intr &= ~TUSB_INT_SRC_USB_IP_RX;
265
266
267
268 tusb_intr_update(s);
269}
270
271static void tusb_dma_intr_update(TUSBState *s)
272{
273 if (s->dma_intr & ~s->dma_mask)
274 s->intr |= TUSB_INT_SRC_TXRX_DMA_DONE;
275 else
276 s->intr &= ~TUSB_INT_SRC_TXRX_DMA_DONE;
277
278 tusb_intr_update(s);
279}
280
281static void tusb_gpio_intr_update(TUSBState *s)
282{
283
284}
285
286static uint32_t tusb_async_readb(void *opaque, hwaddr addr)
287{
288 TUSBState *s = (TUSBState *) opaque;
289
290 switch (addr & 0xfff) {
291 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
292 return musb_read[0](s->musb, addr & 0x1ff);
293
294 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
295 return musb_read[0](s->musb, 0x20 + ((addr >> 3) & 0x3c));
296 }
297
298 printf("%s: unknown register at %03x\n",
299 __FUNCTION__, (int) (addr & 0xfff));
300 return 0;
301}
302
303static uint32_t tusb_async_readh(void *opaque, hwaddr addr)
304{
305 TUSBState *s = (TUSBState *) opaque;
306
307 switch (addr & 0xfff) {
308 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
309 return musb_read[1](s->musb, addr & 0x1ff);
310
311 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
312 return musb_read[1](s->musb, 0x20 + ((addr >> 3) & 0x3c));
313 }
314
315 printf("%s: unknown register at %03x\n",
316 __FUNCTION__, (int) (addr & 0xfff));
317 return 0;
318}
319
320static uint32_t tusb_async_readw(void *opaque, hwaddr addr)
321{
322 TUSBState *s = (TUSBState *) opaque;
323 int offset = addr & 0xfff;
324 int epnum;
325 uint32_t ret;
326
327 switch (offset) {
328 case TUSB_DEV_CONF:
329 return s->dev_config;
330
331 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
332 return musb_read[2](s->musb, offset & 0x1ff);
333
334 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
335 return musb_read[2](s->musb, 0x20 + ((addr >> 3) & 0x3c));
336
337 case TUSB_PHY_OTG_CTRL_ENABLE:
338 case TUSB_PHY_OTG_CTRL:
339 return 0x00;
340
341 case TUSB_DEV_OTG_STAT:
342 ret = s->otg_status;
343#if 0
344 if (!(s->prcm_mngmt & TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN))
345 ret &= ~TUSB_DEV_OTG_STAT_VBUS_VALID;
346#endif
347 return ret;
348 case TUSB_DEV_OTG_TIMER:
349 return s->otg_timer_val;
350
351 case TUSB_PRCM_REV:
352 return 0x20;
353 case TUSB_PRCM_CONF:
354 return s->prcm_config;
355 case TUSB_PRCM_MNGMT:
356 return s->prcm_mngmt;
357 case TUSB_PRCM_WAKEUP_SOURCE:
358 case TUSB_PRCM_WAKEUP_CLEAR:
359 return 0x00000000;
360 case TUSB_PRCM_WAKEUP_MASK:
361 return s->wkup_mask;
362
363 case TUSB_PULLUP_1_CTRL:
364 return s->pullup[0];
365 case TUSB_PULLUP_2_CTRL:
366 return s->pullup[1];
367
368 case TUSB_INT_CTRL_REV:
369 return 0x20;
370 case TUSB_INT_CTRL_CONF:
371 return s->control_config;
372
373 case TUSB_USBIP_INT_SRC:
374 case TUSB_USBIP_INT_SET:
375 case TUSB_USBIP_INT_CLEAR:
376 return s->usbip_intr;
377 case TUSB_USBIP_INT_MASK:
378 return s->usbip_mask;
379
380 case TUSB_DMA_INT_SRC:
381 case TUSB_DMA_INT_SET:
382 case TUSB_DMA_INT_CLEAR:
383 return s->dma_intr;
384 case TUSB_DMA_INT_MASK:
385 return s->dma_mask;
386
387 case TUSB_GPIO_INT_SRC:
388 case TUSB_GPIO_INT_SET:
389 case TUSB_GPIO_INT_CLEAR:
390 return s->gpio_intr;
391 case TUSB_GPIO_INT_MASK:
392 return s->gpio_mask;
393
394 case TUSB_INT_SRC:
395 case TUSB_INT_SRC_SET:
396 case TUSB_INT_SRC_CLEAR:
397 return s->intr;
398 case TUSB_INT_MASK:
399 return s->mask;
400
401 case TUSB_GPIO_REV:
402 return 0x30;
403 case TUSB_GPIO_CONF:
404 return s->gpio_config;
405
406 case TUSB_DMA_CTRL_REV:
407 return 0x30;
408 case TUSB_DMA_REQ_CONF:
409 return s->dma_config;
410 case TUSB_EP0_CONF:
411 return s->ep0_config;
412 case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b):
413 epnum = (offset - TUSB_EP_IN_SIZE) >> 2;
414 return s->tx_config[epnum];
415 case TUSB_DMA_EP_MAP:
416 return s->dma_map;
417 case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b):
418 epnum = (offset - TUSB_EP_OUT_SIZE) >> 2;
419 return s->rx_config[epnum];
420 case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
421 (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
422 return 0x00000000;
423 case TUSB_WAIT_COUNT:
424 return 0x00;
425
426 case TUSB_SCRATCH_PAD:
427 return s->scratch;
428
429 case TUSB_PROD_TEST_RESET:
430 return s->test_reset;
431
432
433 case TUSB_DIDR1_LO:
434 return 0xa9453c59;
435 case TUSB_DIDR1_HI:
436 return 0x54059adf;
437 }
438
439 printf("%s: unknown register at %03x\n", __FUNCTION__, offset);
440 return 0;
441}
442
443static void tusb_async_writeb(void *opaque, hwaddr addr,
444 uint32_t value)
445{
446 TUSBState *s = (TUSBState *) opaque;
447
448 switch (addr & 0xfff) {
449 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
450 musb_write[0](s->musb, addr & 0x1ff, value);
451 break;
452
453 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
454 musb_write[0](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
455 break;
456
457 default:
458 printf("%s: unknown register at %03x\n",
459 __FUNCTION__, (int) (addr & 0xfff));
460 return;
461 }
462}
463
464static void tusb_async_writeh(void *opaque, hwaddr addr,
465 uint32_t value)
466{
467 TUSBState *s = (TUSBState *) opaque;
468
469 switch (addr & 0xfff) {
470 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
471 musb_write[1](s->musb, addr & 0x1ff, value);
472 break;
473
474 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
475 musb_write[1](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
476 break;
477
478 default:
479 printf("%s: unknown register at %03x\n",
480 __FUNCTION__, (int) (addr & 0xfff));
481 return;
482 }
483}
484
485static void tusb_async_writew(void *opaque, hwaddr addr,
486 uint32_t value)
487{
488 TUSBState *s = (TUSBState *) opaque;
489 int offset = addr & 0xfff;
490 int epnum;
491
492 switch (offset) {
493 case TUSB_VLYNQ_CTRL:
494 break;
495
496 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
497 musb_write[2](s->musb, offset & 0x1ff, value);
498 break;
499
500 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
501 musb_write[2](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
502 break;
503
504 case TUSB_DEV_CONF:
505 s->dev_config = value;
506 s->host_mode = (value & TUSB_DEV_CONF_USB_HOST_MODE);
507 if (value & TUSB_DEV_CONF_PROD_TEST_MODE)
508 hw_error("%s: Product Test mode not allowed\n", __FUNCTION__);
509 break;
510
511 case TUSB_PHY_OTG_CTRL_ENABLE:
512 case TUSB_PHY_OTG_CTRL:
513 return;
514 case TUSB_DEV_OTG_TIMER:
515 s->otg_timer_val = value;
516 if (value & TUSB_DEV_OTG_TIMER_ENABLE)
517 timer_mod(s->otg_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
518 muldiv64(TUSB_DEV_OTG_TIMER_VAL(value),
519 NANOSECONDS_PER_SECOND, TUSB_DEVCLOCK));
520 else
521 timer_del(s->otg_timer);
522 break;
523
524 case TUSB_PRCM_CONF:
525 s->prcm_config = value;
526 break;
527 case TUSB_PRCM_MNGMT:
528 s->prcm_mngmt = value;
529 break;
530 case TUSB_PRCM_WAKEUP_CLEAR:
531 break;
532 case TUSB_PRCM_WAKEUP_MASK:
533 s->wkup_mask = value;
534 break;
535
536 case TUSB_PULLUP_1_CTRL:
537 s->pullup[0] = value;
538 break;
539 case TUSB_PULLUP_2_CTRL:
540 s->pullup[1] = value;
541 break;
542 case TUSB_INT_CTRL_CONF:
543 s->control_config = value;
544 tusb_intr_update(s);
545 break;
546
547 case TUSB_USBIP_INT_SET:
548 s->usbip_intr |= value;
549 tusb_usbip_intr_update(s);
550 break;
551 case TUSB_USBIP_INT_CLEAR:
552 s->usbip_intr &= ~value;
553 tusb_usbip_intr_update(s);
554 musb_core_intr_clear(s->musb, ~value);
555 break;
556 case TUSB_USBIP_INT_MASK:
557 s->usbip_mask = value;
558 tusb_usbip_intr_update(s);
559 break;
560
561 case TUSB_DMA_INT_SET:
562 s->dma_intr |= value;
563 tusb_dma_intr_update(s);
564 break;
565 case TUSB_DMA_INT_CLEAR:
566 s->dma_intr &= ~value;
567 tusb_dma_intr_update(s);
568 break;
569 case TUSB_DMA_INT_MASK:
570 s->dma_mask = value;
571 tusb_dma_intr_update(s);
572 break;
573
574 case TUSB_GPIO_INT_SET:
575 s->gpio_intr |= value;
576 tusb_gpio_intr_update(s);
577 break;
578 case TUSB_GPIO_INT_CLEAR:
579 s->gpio_intr &= ~value;
580 tusb_gpio_intr_update(s);
581 break;
582 case TUSB_GPIO_INT_MASK:
583 s->gpio_mask = value;
584 tusb_gpio_intr_update(s);
585 break;
586
587 case TUSB_INT_SRC_SET:
588 s->intr |= value;
589 tusb_intr_update(s);
590 break;
591 case TUSB_INT_SRC_CLEAR:
592 s->intr &= ~value;
593 tusb_intr_update(s);
594 break;
595 case TUSB_INT_MASK:
596 s->mask = value;
597 tusb_intr_update(s);
598 break;
599
600 case TUSB_GPIO_CONF:
601 s->gpio_config = value;
602 break;
603 case TUSB_DMA_REQ_CONF:
604 s->dma_config = value;
605 break;
606 case TUSB_EP0_CONF:
607 s->ep0_config = value & 0x1ff;
608 musb_set_size(s->musb, 0, TUSB_EP0_CONFIG_XFR_SIZE(value),
609 value & TUSB_EP0_CONFIG_DIR_TX);
610 break;
611 case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b):
612 epnum = (offset - TUSB_EP_IN_SIZE) >> 2;
613 s->tx_config[epnum] = value;
614 musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 1);
615 break;
616 case TUSB_DMA_EP_MAP:
617 s->dma_map = value;
618 break;
619 case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b):
620 epnum = (offset - TUSB_EP_OUT_SIZE) >> 2;
621 s->rx_config[epnum] = value;
622 musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 0);
623 break;
624 case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
625 (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
626 return;
627 case TUSB_WAIT_COUNT:
628 return;
629
630 case TUSB_SCRATCH_PAD:
631 s->scratch = value;
632 break;
633
634 case TUSB_PROD_TEST_RESET:
635 s->test_reset = value;
636 break;
637
638 default:
639 printf("%s: unknown register at %03x\n", __FUNCTION__, offset);
640 return;
641 }
642}
643
644static const MemoryRegionOps tusb_async_ops = {
645 .old_mmio = {
646 .read = { tusb_async_readb, tusb_async_readh, tusb_async_readw, },
647 .write = { tusb_async_writeb, tusb_async_writeh, tusb_async_writew, },
648 },
649 .endianness = DEVICE_NATIVE_ENDIAN,
650};
651
652static void tusb_otg_tick(void *opaque)
653{
654 TUSBState *s = (TUSBState *) opaque;
655
656 s->otg_timer_val = 0;
657 s->intr |= TUSB_INT_SRC_OTG_TIMEOUT;
658 tusb_intr_update(s);
659}
660
661static void tusb_power_tick(void *opaque)
662{
663 TUSBState *s = (TUSBState *) opaque;
664
665 if (s->power) {
666 s->intr_ok = ~0;
667 tusb_intr_update(s);
668 }
669}
670
671static void tusb_musb_core_intr(void *opaque, int source, int level)
672{
673 TUSBState *s = (TUSBState *) opaque;
674 uint16_t otg_status = s->otg_status;
675
676 switch (source) {
677 case musb_set_vbus:
678 if (level)
679 otg_status |= TUSB_DEV_OTG_STAT_VBUS_VALID;
680 else
681 otg_status &= ~TUSB_DEV_OTG_STAT_VBUS_VALID;
682
683
684
685 if (s->otg_status != otg_status) {
686 s->otg_status = otg_status;
687 s->intr |= TUSB_INT_SRC_VBUS_SENSE_CHNG;
688 tusb_intr_update(s);
689 }
690 break;
691
692 case musb_set_session:
693
694
695 if (level) {
696 s->otg_status |= TUSB_DEV_OTG_STAT_SESS_VALID;
697 s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_END;
698 } else {
699 s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_VALID;
700 s->otg_status |= TUSB_DEV_OTG_STAT_SESS_END;
701 }
702
703
704 break;
705
706 case musb_irq_tx:
707 case musb_irq_rx:
708 s->usbip_intr = musb_core_intr_get(s->musb);
709
710 default:
711 if (level)
712 s->intr |= 1 << source;
713 else
714 s->intr &= ~(1 << source);
715 tusb_intr_update(s);
716 break;
717 }
718}
719
720static void tusb6010_power(TUSBState *s, int on)
721{
722 if (!on) {
723 s->power = 0;
724 } else if (!s->power && on) {
725 s->power = 1;
726
727 s->intr_ok = 0;
728 tusb_intr_update(s);
729 timer_mod(s->pwr_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
730 NANOSECONDS_PER_SECOND / 2);
731 }
732}
733
734static void tusb6010_irq(void *opaque, int source, int level)
735{
736 if (source) {
737 tusb_musb_core_intr(opaque, source - 1, level);
738 } else {
739 tusb6010_power(opaque, level);
740 }
741}
742
743static void tusb6010_reset(DeviceState *dev)
744{
745 TUSBState *s = TUSB(dev);
746 int i;
747
748 s->test_reset = TUSB_PROD_TEST_RESET_VAL;
749 s->host_mode = 0;
750 s->dev_config = 0;
751 s->otg_status = 0;
752 s->power = 0;
753 s->mask = 0xffffffff;
754 s->intr = 0x00000000;
755 s->otg_timer_val = 0;
756 s->scratch = 0;
757 s->prcm_config = 0;
758 s->prcm_mngmt = 0;
759 s->intr_ok = 0;
760 s->usbip_intr = 0;
761 s->usbip_mask = 0;
762 s->gpio_intr = 0;
763 s->gpio_mask = 0;
764 s->gpio_config = 0;
765 s->dma_intr = 0;
766 s->dma_mask = 0;
767 s->dma_map = 0;
768 s->dma_config = 0;
769 s->ep0_config = 0;
770 s->wkup_mask = 0;
771 s->pullup[0] = s->pullup[1] = 0;
772 s->control_config = 0;
773 for (i = 0; i < 15; i++) {
774 s->rx_config[i] = s->tx_config[i] = 0;
775 }
776 musb_reset(s->musb);
777}
778
779static int tusb6010_init(SysBusDevice *sbd)
780{
781 DeviceState *dev = DEVICE(sbd);
782 TUSBState *s = TUSB(dev);
783
784 s->otg_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_otg_tick, s);
785 s->pwr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_power_tick, s);
786 memory_region_init_io(&s->iomem[1], OBJECT(s), &tusb_async_ops, s,
787 "tusb-async", UINT32_MAX);
788 sysbus_init_mmio(sbd, &s->iomem[0]);
789 sysbus_init_mmio(sbd, &s->iomem[1]);
790 sysbus_init_irq(sbd, &s->irq);
791 qdev_init_gpio_in(dev, tusb6010_irq, musb_irq_max + 1);
792 s->musb = musb_init(dev, 1);
793 return 0;
794}
795
796static void tusb6010_class_init(ObjectClass *klass, void *data)
797{
798 DeviceClass *dc = DEVICE_CLASS(klass);
799 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
800
801 k->init = tusb6010_init;
802 dc->reset = tusb6010_reset;
803}
804
805static const TypeInfo tusb6010_info = {
806 .name = TYPE_TUSB6010,
807 .parent = TYPE_SYS_BUS_DEVICE,
808 .instance_size = sizeof(TUSBState),
809 .class_init = tusb6010_class_init,
810};
811
812static void tusb6010_register_types(void)
813{
814 type_register_static(&tusb6010_info);
815}
816
817type_init(tusb6010_register_types)
818
