2 * Texas Instruments TUSB6010 emulation.
3 * Based on reverse-engineering of a linux driver.
5 * Copyright (C) 2008 Nokia Corporation
6 * Written by Andrzej Zaborowski <andrew@openedhand.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 or
11 * (at your option) version 3 of the License.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 #include "qemu-common.h"
24 #include "qemu-timer.h"
58 uint32_t rx_config[15];
59 uint32_t tx_config[15];
62 uint32_t control_config;
63 uint32_t otg_timer_val;
66 #define TUSB_DEVCLOCK 60000000 /* 60 MHz */
68 #define TUSB_VLYNQ_CTRL 0x004
70 /* Mentor Graphics OTG core registers. */
71 #define TUSB_BASE_OFFSET 0x400
73 /* FIFO registers, 32-bit. */
74 #define TUSB_FIFO_BASE 0x600
76 /* Device System & Control registers, 32-bit. */
77 #define TUSB_SYS_REG_BASE 0x800
79 #define TUSB_DEV_CONF (TUSB_SYS_REG_BASE + 0x000)
80 #define TUSB_DEV_CONF_USB_HOST_MODE (1 << 16)
81 #define TUSB_DEV_CONF_PROD_TEST_MODE (1 << 15)
82 #define TUSB_DEV_CONF_SOFT_ID (1 << 1)
83 #define TUSB_DEV_CONF_ID_SEL (1 << 0)
85 #define TUSB_PHY_OTG_CTRL_ENABLE (TUSB_SYS_REG_BASE + 0x004)
86 #define TUSB_PHY_OTG_CTRL (TUSB_SYS_REG_BASE + 0x008)
87 #define TUSB_PHY_OTG_CTRL_WRPROTECT (0xa5 << 24)
88 #define TUSB_PHY_OTG_CTRL_O_ID_PULLUP (1 << 23)
89 #define TUSB_PHY_OTG_CTRL_O_VBUS_DET_EN (1 << 19)
90 #define TUSB_PHY_OTG_CTRL_O_SESS_END_EN (1 << 18)
91 #define TUSB_PHY_OTG_CTRL_TESTM2 (1 << 17)
92 #define TUSB_PHY_OTG_CTRL_TESTM1 (1 << 16)
93 #define TUSB_PHY_OTG_CTRL_TESTM0 (1 << 15)
94 #define TUSB_PHY_OTG_CTRL_TX_DATA2 (1 << 14)
95 #define TUSB_PHY_OTG_CTRL_TX_GZ2 (1 << 13)
96 #define TUSB_PHY_OTG_CTRL_TX_ENABLE2 (1 << 12)
97 #define TUSB_PHY_OTG_CTRL_DM_PULLDOWN (1 << 11)
98 #define TUSB_PHY_OTG_CTRL_DP_PULLDOWN (1 << 10)
99 #define TUSB_PHY_OTG_CTRL_OSC_EN (1 << 9)
100 #define TUSB_PHY_OTG_CTRL_PHYREF_CLK(v) (((v) & 3) << 7)
101 #define TUSB_PHY_OTG_CTRL_PD (1 << 6)
102 #define TUSB_PHY_OTG_CTRL_PLL_ON (1 << 5)
103 #define TUSB_PHY_OTG_CTRL_EXT_RPU (1 << 4)
104 #define TUSB_PHY_OTG_CTRL_PWR_GOOD (1 << 3)
105 #define TUSB_PHY_OTG_CTRL_RESET (1 << 2)
106 #define TUSB_PHY_OTG_CTRL_SUSPENDM (1 << 1)
107 #define TUSB_PHY_OTG_CTRL_CLK_MODE (1 << 0)
109 /* OTG status register */
110 #define TUSB_DEV_OTG_STAT (TUSB_SYS_REG_BASE + 0x00c)
111 #define TUSB_DEV_OTG_STAT_PWR_CLK_GOOD (1 << 8)
112 #define TUSB_DEV_OTG_STAT_SESS_END (1 << 7)
113 #define TUSB_DEV_OTG_STAT_SESS_VALID (1 << 6)
114 #define TUSB_DEV_OTG_STAT_VBUS_VALID (1 << 5)
115 #define TUSB_DEV_OTG_STAT_VBUS_SENSE (1 << 4)
116 #define TUSB_DEV_OTG_STAT_ID_STATUS (1 << 3)
117 #define TUSB_DEV_OTG_STAT_HOST_DISCON (1 << 2)
118 #define TUSB_DEV_OTG_STAT_LINE_STATE (3 << 0)
119 #define TUSB_DEV_OTG_STAT_DP_ENABLE (1 << 1)
120 #define TUSB_DEV_OTG_STAT_DM_ENABLE (1 << 0)
122 #define TUSB_DEV_OTG_TIMER (TUSB_SYS_REG_BASE + 0x010)
123 #define TUSB_DEV_OTG_TIMER_ENABLE (1 << 31)
124 #define TUSB_DEV_OTG_TIMER_VAL(v) ((v) & 0x07ffffff)
125 #define TUSB_PRCM_REV (TUSB_SYS_REG_BASE + 0x014)
127 /* PRCM configuration register */
128 #define TUSB_PRCM_CONF (TUSB_SYS_REG_BASE + 0x018)
129 #define TUSB_PRCM_CONF_SFW_CPEN (1 << 24)
130 #define TUSB_PRCM_CONF_SYS_CLKSEL(v) (((v) & 3) << 16)
132 /* PRCM management register */
133 #define TUSB_PRCM_MNGMT (TUSB_SYS_REG_BASE + 0x01c)
134 #define TUSB_PRCM_MNGMT_SRP_FIX_TMR(v) (((v) & 0xf) << 25)
135 #define TUSB_PRCM_MNGMT_SRP_FIX_EN (1 << 24)
136 #define TUSB_PRCM_MNGMT_VBUS_VAL_TMR(v) (((v) & 0xf) << 20)
137 #define TUSB_PRCM_MNGMT_VBUS_VAL_FLT_EN (1 << 19)
138 #define TUSB_PRCM_MNGMT_DFT_CLK_DIS (1 << 18)
139 #define TUSB_PRCM_MNGMT_VLYNQ_CLK_DIS (1 << 17)
140 #define TUSB_PRCM_MNGMT_OTG_SESS_END_EN (1 << 10)
141 #define TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN (1 << 9)
142 #define TUSB_PRCM_MNGMT_OTG_ID_PULLUP (1 << 8)
143 #define TUSB_PRCM_MNGMT_15_SW_EN (1 << 4)
144 #define TUSB_PRCM_MNGMT_33_SW_EN (1 << 3)
145 #define TUSB_PRCM_MNGMT_5V_CPEN (1 << 2)
146 #define TUSB_PRCM_MNGMT_PM_IDLE (1 << 1)
147 #define TUSB_PRCM_MNGMT_DEV_IDLE (1 << 0)
149 /* Wake-up source clear and mask registers */
150 #define TUSB_PRCM_WAKEUP_SOURCE (TUSB_SYS_REG_BASE + 0x020)
151 #define TUSB_PRCM_WAKEUP_CLEAR (TUSB_SYS_REG_BASE + 0x028)
152 #define TUSB_PRCM_WAKEUP_MASK (TUSB_SYS_REG_BASE + 0x02c)
153 #define TUSB_PRCM_WAKEUP_RESERVED_BITS (0xffffe << 13)
154 #define TUSB_PRCM_WGPIO_7 (1 << 12)
155 #define TUSB_PRCM_WGPIO_6 (1 << 11)
156 #define TUSB_PRCM_WGPIO_5 (1 << 10)
157 #define TUSB_PRCM_WGPIO_4 (1 << 9)
158 #define TUSB_PRCM_WGPIO_3 (1 << 8)
159 #define TUSB_PRCM_WGPIO_2 (1 << 7)
160 #define TUSB_PRCM_WGPIO_1 (1 << 6)
161 #define TUSB_PRCM_WGPIO_0 (1 << 5)
162 #define TUSB_PRCM_WHOSTDISCON (1 << 4) /* Host disconnect */
163 #define TUSB_PRCM_WBUS (1 << 3) /* USB bus resume */
164 #define TUSB_PRCM_WNORCS (1 << 2) /* NOR chip select */
165 #define TUSB_PRCM_WVBUS (1 << 1) /* OTG PHY VBUS */
166 #define TUSB_PRCM_WID (1 << 0) /* OTG PHY ID detect */
168 #define TUSB_PULLUP_1_CTRL (TUSB_SYS_REG_BASE + 0x030)
169 #define TUSB_PULLUP_2_CTRL (TUSB_SYS_REG_BASE + 0x034)
170 #define TUSB_INT_CTRL_REV (TUSB_SYS_REG_BASE + 0x038)
171 #define TUSB_INT_CTRL_CONF (TUSB_SYS_REG_BASE + 0x03c)
172 #define TUSB_USBIP_INT_SRC (TUSB_SYS_REG_BASE + 0x040)
173 #define TUSB_USBIP_INT_SET (TUSB_SYS_REG_BASE + 0x044)
174 #define TUSB_USBIP_INT_CLEAR (TUSB_SYS_REG_BASE + 0x048)
175 #define TUSB_USBIP_INT_MASK (TUSB_SYS_REG_BASE + 0x04c)
176 #define TUSB_DMA_INT_SRC (TUSB_SYS_REG_BASE + 0x050)
177 #define TUSB_DMA_INT_SET (TUSB_SYS_REG_BASE + 0x054)
178 #define TUSB_DMA_INT_CLEAR (TUSB_SYS_REG_BASE + 0x058)
179 #define TUSB_DMA_INT_MASK (TUSB_SYS_REG_BASE + 0x05c)
180 #define TUSB_GPIO_INT_SRC (TUSB_SYS_REG_BASE + 0x060)
181 #define TUSB_GPIO_INT_SET (TUSB_SYS_REG_BASE + 0x064)
182 #define TUSB_GPIO_INT_CLEAR (TUSB_SYS_REG_BASE + 0x068)
183 #define TUSB_GPIO_INT_MASK (TUSB_SYS_REG_BASE + 0x06c)
185 /* NOR flash interrupt source registers */
186 #define TUSB_INT_SRC (TUSB_SYS_REG_BASE + 0x070)
187 #define TUSB_INT_SRC_SET (TUSB_SYS_REG_BASE + 0x074)
188 #define TUSB_INT_SRC_CLEAR (TUSB_SYS_REG_BASE + 0x078)
189 #define TUSB_INT_MASK (TUSB_SYS_REG_BASE + 0x07c)
190 #define TUSB_INT_SRC_TXRX_DMA_DONE (1 << 24)
191 #define TUSB_INT_SRC_USB_IP_CORE (1 << 17)
192 #define TUSB_INT_SRC_OTG_TIMEOUT (1 << 16)
193 #define TUSB_INT_SRC_VBUS_SENSE_CHNG (1 << 15)
194 #define TUSB_INT_SRC_ID_STATUS_CHNG (1 << 14)
195 #define TUSB_INT_SRC_DEV_WAKEUP (1 << 13)
196 #define TUSB_INT_SRC_DEV_READY (1 << 12)
197 #define TUSB_INT_SRC_USB_IP_TX (1 << 9)
198 #define TUSB_INT_SRC_USB_IP_RX (1 << 8)
199 #define TUSB_INT_SRC_USB_IP_VBUS_ERR (1 << 7)
200 #define TUSB_INT_SRC_USB_IP_VBUS_REQ (1 << 6)
201 #define TUSB_INT_SRC_USB_IP_DISCON (1 << 5)
202 #define TUSB_INT_SRC_USB_IP_CONN (1 << 4)
203 #define TUSB_INT_SRC_USB_IP_SOF (1 << 3)
204 #define TUSB_INT_SRC_USB_IP_RST_BABBLE (1 << 2)
205 #define TUSB_INT_SRC_USB_IP_RESUME (1 << 1)
206 #define TUSB_INT_SRC_USB_IP_SUSPEND (1 << 0)
208 #define TUSB_GPIO_REV (TUSB_SYS_REG_BASE + 0x080)
209 #define TUSB_GPIO_CONF (TUSB_SYS_REG_BASE + 0x084)
210 #define TUSB_DMA_CTRL_REV (TUSB_SYS_REG_BASE + 0x100)
211 #define TUSB_DMA_REQ_CONF (TUSB_SYS_REG_BASE + 0x104)
212 #define TUSB_EP0_CONF (TUSB_SYS_REG_BASE + 0x108)
213 #define TUSB_EP_IN_SIZE (TUSB_SYS_REG_BASE + 0x10c)
214 #define TUSB_DMA_EP_MAP (TUSB_SYS_REG_BASE + 0x148)
215 #define TUSB_EP_OUT_SIZE (TUSB_SYS_REG_BASE + 0x14c)
216 #define TUSB_EP_MAX_PACKET_SIZE_OFFSET (TUSB_SYS_REG_BASE + 0x188)
217 #define TUSB_SCRATCH_PAD (TUSB_SYS_REG_BASE + 0x1c4)
218 #define TUSB_WAIT_COUNT (TUSB_SYS_REG_BASE + 0x1c8)
219 #define TUSB_PROD_TEST_RESET (TUSB_SYS_REG_BASE + 0x1d8)
221 #define TUSB_DIDR1_LO (TUSB_SYS_REG_BASE + 0x1f8)
222 #define TUSB_DIDR1_HI (TUSB_SYS_REG_BASE + 0x1fc)
224 /* Device System & Control register bitfields */
225 #define TUSB_INT_CTRL_CONF_INT_RLCYC(v) (((v) & 0x7) << 18)
226 #define TUSB_INT_CTRL_CONF_INT_POLARITY (1 << 17)
227 #define TUSB_INT_CTRL_CONF_INT_MODE (1 << 16)
228 #define TUSB_GPIO_CONF_DMAREQ(v) (((v) & 0x3f) << 24)
229 #define TUSB_DMA_REQ_CONF_BURST_SIZE(v) (((v) & 3) << 26)
230 #define TUSB_DMA_REQ_CONF_DMA_RQ_EN(v) (((v) & 0x3f) << 20)
231 #define TUSB_DMA_REQ_CONF_DMA_RQ_ASR(v) (((v) & 0xf) << 16)
232 #define TUSB_EP0_CONFIG_SW_EN (1 << 8)
233 #define TUSB_EP0_CONFIG_DIR_TX (1 << 7)
234 #define TUSB_EP0_CONFIG_XFR_SIZE(v) ((v) & 0x7f)
235 #define TUSB_EP_CONFIG_SW_EN (1 << 31)
236 #define TUSB_EP_CONFIG_XFR_SIZE(v) ((v) & 0x7fffffff)
237 #define TUSB_PROD_TEST_RESET_VAL 0xa596
239 int tusb6010_sync_io(struct tusb_s *s)
241 return s->iomemtype[0];
244 int tusb6010_async_io(struct tusb_s *s)
246 return s->iomemtype[1];
249 static void tusb_intr_update(struct tusb_s *s)
251 if (s->control_config & TUSB_INT_CTRL_CONF_INT_POLARITY)
252 qemu_set_irq(s->irq, s->intr & ~s->mask & s->intr_ok);
254 qemu_set_irq(s->irq, (!(s->intr & ~s->mask)) & s->intr_ok);
257 static void tusb_usbip_intr_update(struct tusb_s *s)
259 /* TX interrupt in the MUSB */
260 if (s->usbip_intr & 0x0000ffff & ~s->usbip_mask)
261 s->intr |= TUSB_INT_SRC_USB_IP_TX;
263 s->intr &= ~TUSB_INT_SRC_USB_IP_TX;
265 /* RX interrupt in the MUSB */
266 if (s->usbip_intr & 0xffff0000 & ~s->usbip_mask)
267 s->intr |= TUSB_INT_SRC_USB_IP_RX;
269 s->intr &= ~TUSB_INT_SRC_USB_IP_RX;
271 /* XXX: What about TUSB_INT_SRC_USB_IP_CORE? */
276 static void tusb_dma_intr_update(struct tusb_s *s)
278 if (s->dma_intr & ~s->dma_mask)
279 s->intr |= TUSB_INT_SRC_TXRX_DMA_DONE;
281 s->intr &= ~TUSB_INT_SRC_TXRX_DMA_DONE;
286 static void tusb_gpio_intr_update(struct tusb_s *s)
288 /* TODO: How is this signalled? */
291 extern CPUReadMemoryFunc *musb_read[];
292 extern CPUWriteMemoryFunc *musb_write[];
294 static uint32_t tusb_async_readb(void *opaque, target_phys_addr_t addr)
296 struct tusb_s *s = (struct tusb_s *) opaque;
298 switch (addr & 0xfff) {
299 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
300 return musb_read[0](s->musb, addr & 0x1ff);
302 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
303 return musb_read[0](s->musb, 0x20 + ((addr >> 3) & 0x3c));
306 printf("%s: unknown register at %03x\n",
307 __FUNCTION__, (int) (addr & 0xfff));
311 static uint32_t tusb_async_readh(void *opaque, target_phys_addr_t addr)
313 struct tusb_s *s = (struct tusb_s *) opaque;
315 switch (addr & 0xfff) {
316 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
317 return musb_read[1](s->musb, addr & 0x1ff);
319 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
320 return musb_read[1](s->musb, 0x20 + ((addr >> 3) & 0x3c));
323 printf("%s: unknown register at %03x\n",
324 __FUNCTION__, (int) (addr & 0xfff));
328 static uint32_t tusb_async_readw(void *opaque, target_phys_addr_t addr)
330 struct tusb_s *s = (struct tusb_s *) opaque;
331 int offset = addr & 0xfff;
337 return s->dev_config;
339 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
340 return musb_read[2](s->musb, offset & 0x1ff);
342 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
343 return musb_read[2](s->musb, 0x20 + ((addr >> 3) & 0x3c));
345 case TUSB_PHY_OTG_CTRL_ENABLE:
346 case TUSB_PHY_OTG_CTRL:
347 return 0x00; /* TODO */
349 case TUSB_DEV_OTG_STAT:
352 if (!(s->prcm_mngmt & TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN))
353 ret &= ~TUSB_DEV_OTG_STAT_VBUS_VALID;
356 case TUSB_DEV_OTG_TIMER:
357 return s->otg_timer_val;
362 return s->prcm_config;
363 case TUSB_PRCM_MNGMT:
364 return s->prcm_mngmt;
365 case TUSB_PRCM_WAKEUP_SOURCE:
366 case TUSB_PRCM_WAKEUP_CLEAR: /* TODO: What does this one return? */
368 case TUSB_PRCM_WAKEUP_MASK:
371 case TUSB_PULLUP_1_CTRL:
373 case TUSB_PULLUP_2_CTRL:
376 case TUSB_INT_CTRL_REV:
378 case TUSB_INT_CTRL_CONF:
379 return s->control_config;
381 case TUSB_USBIP_INT_SRC:
382 case TUSB_USBIP_INT_SET: /* TODO: What do these two return? */
383 case TUSB_USBIP_INT_CLEAR:
384 return s->usbip_intr;
385 case TUSB_USBIP_INT_MASK:
386 return s->usbip_mask;
388 case TUSB_DMA_INT_SRC:
389 case TUSB_DMA_INT_SET: /* TODO: What do these two return? */
390 case TUSB_DMA_INT_CLEAR:
392 case TUSB_DMA_INT_MASK:
395 case TUSB_GPIO_INT_SRC: /* TODO: What do these two return? */
396 case TUSB_GPIO_INT_SET:
397 case TUSB_GPIO_INT_CLEAR:
399 case TUSB_GPIO_INT_MASK:
403 case TUSB_INT_SRC_SET: /* TODO: What do these two return? */
404 case TUSB_INT_SRC_CLEAR:
412 return s->gpio_config;
414 case TUSB_DMA_CTRL_REV:
416 case TUSB_DMA_REQ_CONF:
417 return s->dma_config;
419 return s->ep0_config;
420 case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b):
421 epnum = (offset - TUSB_EP_IN_SIZE) >> 2;
422 return s->tx_config[epnum];
423 case TUSB_DMA_EP_MAP:
425 case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b):
426 epnum = (offset - TUSB_EP_OUT_SIZE) >> 2;
427 return s->rx_config[epnum];
428 case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
429 (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
430 epnum = (offset - TUSB_EP_MAX_PACKET_SIZE_OFFSET) >> 2;
431 return 0x00000000; /* TODO */
432 case TUSB_WAIT_COUNT:
433 return 0x00; /* TODO */
435 case TUSB_SCRATCH_PAD:
438 case TUSB_PROD_TEST_RESET:
439 return s->test_reset;
448 printf("%s: unknown register at %03x\n", __FUNCTION__, offset);
452 static void tusb_async_writeb(void *opaque, target_phys_addr_t addr,
455 struct tusb_s *s = (struct tusb_s *) opaque;
457 switch (addr & 0xfff) {
458 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
459 musb_write[0](s->musb, addr & 0x1ff, value);
462 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
463 musb_write[0](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
467 printf("%s: unknown register at %03x\n",
468 __FUNCTION__, (int) (addr & 0xfff));
473 static void tusb_async_writeh(void *opaque, target_phys_addr_t addr,
476 struct tusb_s *s = (struct tusb_s *) opaque;
478 switch (addr & 0xfff) {
479 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
480 musb_write[1](s->musb, addr & 0x1ff, value);
483 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
484 musb_write[1](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
488 printf("%s: unknown register at %03x\n",
489 __FUNCTION__, (int) (addr & 0xfff));
494 static void tusb_async_writew(void *opaque, target_phys_addr_t addr,
497 struct tusb_s *s = (struct tusb_s *) opaque;
498 int offset = addr & 0xfff;
502 case TUSB_VLYNQ_CTRL:
505 case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
506 musb_write[2](s->musb, offset & 0x1ff, value);
509 case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
510 musb_write[2](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
514 s->dev_config = value;
515 s->host_mode = (value & TUSB_DEV_CONF_USB_HOST_MODE);
516 if (value & TUSB_DEV_CONF_PROD_TEST_MODE)
517 cpu_abort(cpu_single_env, "%s: Product Test mode not allowed\n",
521 case TUSB_PHY_OTG_CTRL_ENABLE:
522 case TUSB_PHY_OTG_CTRL:
524 case TUSB_DEV_OTG_TIMER:
525 s->otg_timer_val = value;
526 if (value & TUSB_DEV_OTG_TIMER_ENABLE)
527 qemu_mod_timer(s->otg_timer, qemu_get_clock(vm_clock) +
528 muldiv64(TUSB_DEV_OTG_TIMER_VAL(value),
529 ticks_per_sec, TUSB_DEVCLOCK));
531 qemu_del_timer(s->otg_timer);
535 s->prcm_config = value;
537 case TUSB_PRCM_MNGMT:
538 s->prcm_mngmt = value;
540 case TUSB_PRCM_WAKEUP_CLEAR:
542 case TUSB_PRCM_WAKEUP_MASK:
543 s->wkup_mask = value;
546 case TUSB_PULLUP_1_CTRL:
547 s->pullup[0] = value;
549 case TUSB_PULLUP_2_CTRL:
550 s->pullup[1] = value;
552 case TUSB_INT_CTRL_CONF:
553 s->control_config = value;
557 case TUSB_USBIP_INT_SET:
558 s->usbip_intr |= value;
559 tusb_usbip_intr_update(s);
561 case TUSB_USBIP_INT_CLEAR:
562 s->usbip_intr &= ~value;
563 tusb_usbip_intr_update(s);
564 musb_core_intr_clear(s->musb, ~value);
566 case TUSB_USBIP_INT_MASK:
567 s->usbip_mask = value;
568 tusb_usbip_intr_update(s);
571 case TUSB_DMA_INT_SET:
572 s->dma_intr |= value;
573 tusb_dma_intr_update(s);
575 case TUSB_DMA_INT_CLEAR:
576 s->dma_intr &= ~value;
577 tusb_dma_intr_update(s);
579 case TUSB_DMA_INT_MASK:
581 tusb_dma_intr_update(s);
584 case TUSB_GPIO_INT_SET:
585 s->gpio_intr |= value;
586 tusb_gpio_intr_update(s);
588 case TUSB_GPIO_INT_CLEAR:
589 s->gpio_intr &= ~value;
590 tusb_gpio_intr_update(s);
592 case TUSB_GPIO_INT_MASK:
593 s->gpio_mask = value;
594 tusb_gpio_intr_update(s);
597 case TUSB_INT_SRC_SET:
601 case TUSB_INT_SRC_CLEAR:
611 s->gpio_config = value;
613 case TUSB_DMA_REQ_CONF:
614 s->dma_config = value;
617 s->ep0_config = value & 0x1ff;
618 musb_set_size(s->musb, 0, TUSB_EP0_CONFIG_XFR_SIZE(value),
619 value & TUSB_EP0_CONFIG_DIR_TX);
621 case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b):
622 epnum = (offset - TUSB_EP_IN_SIZE) >> 2;
623 s->tx_config[epnum] = value;
624 musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 1);
626 case TUSB_DMA_EP_MAP:
629 case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b):
630 epnum = (offset - TUSB_EP_OUT_SIZE) >> 2;
631 s->rx_config[epnum] = value;
632 musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 0);
634 case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
635 (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
636 epnum = (offset - TUSB_EP_MAX_PACKET_SIZE_OFFSET) >> 2;
638 case TUSB_WAIT_COUNT:
641 case TUSB_SCRATCH_PAD:
645 case TUSB_PROD_TEST_RESET:
646 s->test_reset = value;
650 printf("%s: unknown register at %03x\n", __FUNCTION__, offset);
655 static CPUReadMemoryFunc *tusb_async_readfn[] = {
661 static CPUWriteMemoryFunc *tusb_async_writefn[] = {
667 static void tusb_otg_tick(void *opaque)
669 struct tusb_s *s = (struct tusb_s *) opaque;
671 s->otg_timer_val = 0;
672 s->intr |= TUSB_INT_SRC_OTG_TIMEOUT;
676 static void tusb_power_tick(void *opaque)
678 struct tusb_s *s = (struct tusb_s *) opaque;
686 static void tusb_musb_core_intr(void *opaque, int source, int level)
688 struct tusb_s *s = (struct tusb_s *) opaque;
689 uint16_t otg_status = s->otg_status;
694 otg_status |= TUSB_DEV_OTG_STAT_VBUS_VALID;
696 otg_status &= ~TUSB_DEV_OTG_STAT_VBUS_VALID;
698 /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_VBUS_DET_EN set? */
699 /* XXX: only if TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN set? */
700 if (s->otg_status != otg_status) {
701 s->otg_status = otg_status;
702 s->intr |= TUSB_INT_SRC_VBUS_SENSE_CHNG;
707 case musb_set_session:
708 /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_SESS_END_EN set? */
709 /* XXX: only if TUSB_PRCM_MNGMT_OTG_SESS_END_EN set? */
711 s->otg_status |= TUSB_DEV_OTG_STAT_SESS_VALID;
712 s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_END;
714 s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_VALID;
715 s->otg_status |= TUSB_DEV_OTG_STAT_SESS_END;
718 /* XXX: some IRQ or anything? */
723 s->usbip_intr = musb_core_intr_get(s->musb);
727 s->intr |= 1 << source;
729 s->intr &= ~(1 << source);
735 struct tusb_s *tusb6010_init(qemu_irq intr)
737 struct tusb_s *s = qemu_mallocz(sizeof(*s));
739 s->test_reset = TUSB_PROD_TEST_RESET_VAL;
742 s->otg_status = 0; /* !TUSB_DEV_OTG_STAT_ID_STATUS means host mode */
744 s->mask = 0xffffffff;
745 s->intr = 0x00000000;
746 s->otg_timer_val = 0;
747 s->iomemtype[1] = cpu_register_io_memory(0, tusb_async_readfn,
748 tusb_async_writefn, s);
750 s->otg_timer = qemu_new_timer(vm_clock, tusb_otg_tick, s);
751 s->pwr_timer = qemu_new_timer(vm_clock, tusb_power_tick, s);
752 s->musb = musb_init(qemu_allocate_irqs(tusb_musb_core_intr, s,
758 void tusb6010_power(struct tusb_s *s, int on)
762 else if (!s->power && on) {
765 /* Pull the interrupt down after TUSB6010 comes up. */
768 qemu_mod_timer(s->pwr_timer,
769 qemu_get_clock(vm_clock) + ticks_per_sec / 2);