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942ac052 AZ |
1 | /* |
2 | * Texas Instruments TUSB6010 emulation. | |
3 | * Based on reverse-engineering of a linux driver. | |
4 | * | |
5 | * Copyright (C) 2008 Nokia Corporation | |
6 | * Written by Andrzej Zaborowski <[email protected]> | |
7 | * | |
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. | |
12 | * | |
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. | |
17 | * | |
fad6cb1a | 18 | * You should have received a copy of the GNU General Public License along |
8167ee88 | 19 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
942ac052 | 20 | */ |
282bc81e | 21 | #include "qemu/osdep.h" |
942ac052 | 22 | #include "qemu-common.h" |
1de7afc9 | 23 | #include "qemu/timer.h" |
83c9f4ca | 24 | #include "hw/usb.h" |
0d09e41a | 25 | #include "hw/arm/omap.h" |
83c9f4ca | 26 | #include "hw/irq.h" |
bd2be150 | 27 | #include "hw/devices.h" |
83c9f4ca | 28 | #include "hw/sysbus.h" |
942ac052 | 29 | |
453be7a6 AF |
30 | #define TYPE_TUSB6010 "tusb6010" |
31 | #define TUSB(obj) OBJECT_CHECK(TUSBState, (obj), TYPE_TUSB6010) | |
32 | ||
bdc76462 | 33 | typedef struct TUSBState { |
453be7a6 AF |
34 | SysBusDevice parent_obj; |
35 | ||
64066a8f | 36 | MemoryRegion iomem[2]; |
942ac052 | 37 | qemu_irq irq; |
bc24a225 | 38 | MUSBState *musb; |
942ac052 AZ |
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; | |
bdc76462 | 69 | } TUSBState; |
942ac052 AZ |
70 | |
71 | #define TUSB_DEVCLOCK 60000000 /* 60 MHz */ | |
72 | ||
73 | #define TUSB_VLYNQ_CTRL 0x004 | |
74 | ||
75 | /* Mentor Graphics OTG core registers. */ | |
76 | #define TUSB_BASE_OFFSET 0x400 | |
77 | ||
78 | /* FIFO registers, 32-bit. */ | |
79 | #define TUSB_FIFO_BASE 0x600 | |
80 | ||
81 | /* Device System & Control registers, 32-bit. */ | |
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 | /* OTG status register */ | |
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 | /* PRCM configuration register */ | |
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 | /* PRCM management register */ | |
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 | /* Wake-up source clear and mask registers */ | |
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) /* Host disconnect */ | |
168 | #define TUSB_PRCM_WBUS (1 << 3) /* USB bus resume */ | |
169 | #define TUSB_PRCM_WNORCS (1 << 2) /* NOR chip select */ | |
170 | #define TUSB_PRCM_WVBUS (1 << 1) /* OTG PHY VBUS */ | |
171 | #define TUSB_PRCM_WID (1 << 0) /* OTG PHY ID detect */ | |
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 | /* NOR flash interrupt source registers */ | |
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 | /* Device System & Control register bitfields */ | |
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 | ||
bc24a225 | 244 | static void tusb_intr_update(TUSBState *s) |
942ac052 AZ |
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 | ||
bc24a225 | 252 | static void tusb_usbip_intr_update(TUSBState *s) |
942ac052 AZ |
253 | { |
254 | /* TX interrupt in the MUSB */ | |
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 | /* RX interrupt in the MUSB */ | |
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 | /* XXX: What about TUSB_INT_SRC_USB_IP_CORE? */ | |
267 | ||
268 | tusb_intr_update(s); | |
269 | } | |
270 | ||
bc24a225 | 271 | static void tusb_dma_intr_update(TUSBState *s) |
942ac052 AZ |
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 | ||
bc24a225 | 281 | static void tusb_gpio_intr_update(TUSBState *s) |
942ac052 AZ |
282 | { |
283 | /* TODO: How is this signalled? */ | |
284 | } | |
285 | ||
a8170e5e | 286 | static uint32_t tusb_async_readb(void *opaque, hwaddr addr) |
942ac052 | 287 | { |
bc24a225 | 288 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
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", | |
a89f364a | 299 | __func__, (int) (addr & 0xfff)); |
942ac052 AZ |
300 | return 0; |
301 | } | |
302 | ||
a8170e5e | 303 | static uint32_t tusb_async_readh(void *opaque, hwaddr addr) |
942ac052 | 304 | { |
bc24a225 | 305 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
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", | |
a89f364a | 316 | __func__, (int) (addr & 0xfff)); |
942ac052 AZ |
317 | return 0; |
318 | } | |
319 | ||
a8170e5e | 320 | static uint32_t tusb_async_readw(void *opaque, hwaddr addr) |
942ac052 | 321 | { |
bc24a225 | 322 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
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; /* TODO */ | |
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: /* TODO: What does this one return? */ | |
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: /* TODO: What do these two return? */ | |
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: /* TODO: What do these two return? */ | |
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: /* TODO: What do these two return? */ | |
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: /* TODO: What do these two return? */ | |
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): | |
942ac052 AZ |
422 | return 0x00000000; /* TODO */ |
423 | case TUSB_WAIT_COUNT: | |
424 | return 0x00; /* TODO */ | |
425 | ||
426 | case TUSB_SCRATCH_PAD: | |
427 | return s->scratch; | |
428 | ||
429 | case TUSB_PROD_TEST_RESET: | |
430 | return s->test_reset; | |
431 | ||
432 | /* DIE IDs */ | |
433 | case TUSB_DIDR1_LO: | |
434 | return 0xa9453c59; | |
435 | case TUSB_DIDR1_HI: | |
436 | return 0x54059adf; | |
437 | } | |
438 | ||
a89f364a | 439 | printf("%s: unknown register at %03x\n", __func__, offset); |
942ac052 AZ |
440 | return 0; |
441 | } | |
442 | ||
a8170e5e | 443 | static void tusb_async_writeb(void *opaque, hwaddr addr, |
942ac052 AZ |
444 | uint32_t value) |
445 | { | |
bc24a225 | 446 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
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", | |
a89f364a | 459 | __func__, (int) (addr & 0xfff)); |
942ac052 AZ |
460 | return; |
461 | } | |
462 | } | |
463 | ||
a8170e5e | 464 | static void tusb_async_writeh(void *opaque, hwaddr addr, |
942ac052 AZ |
465 | uint32_t value) |
466 | { | |
bc24a225 | 467 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
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", | |
a89f364a | 480 | __func__, (int) (addr & 0xfff)); |
942ac052 AZ |
481 | return; |
482 | } | |
483 | } | |
484 | ||
a8170e5e | 485 | static void tusb_async_writew(void *opaque, hwaddr addr, |
942ac052 AZ |
486 | uint32_t value) |
487 | { | |
bc24a225 | 488 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
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) | |
a89f364a | 508 | hw_error("%s: Product Test mode not allowed\n", __func__); |
942ac052 AZ |
509 | break; |
510 | ||
511 | case TUSB_PHY_OTG_CTRL_ENABLE: | |
512 | case TUSB_PHY_OTG_CTRL: | |
513 | return; /* TODO */ | |
514 | case TUSB_DEV_OTG_TIMER: | |
515 | s->otg_timer_val = value; | |
516 | if (value & TUSB_DEV_OTG_TIMER_ENABLE) | |
bc72ad67 | 517 | timer_mod(s->otg_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + |
942ac052 | 518 | muldiv64(TUSB_DEV_OTG_TIMER_VAL(value), |
73bcb24d | 519 | NANOSECONDS_PER_SECOND, TUSB_DEVCLOCK)); |
942ac052 | 520 | else |
bc72ad67 | 521 | timer_del(s->otg_timer); |
942ac052 AZ |
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): | |
942ac052 AZ |
626 | return; /* TODO */ |
627 | case TUSB_WAIT_COUNT: | |
628 | return; /* TODO */ | |
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: | |
a89f364a | 639 | printf("%s: unknown register at %03x\n", __func__, offset); |
942ac052 AZ |
640 | return; |
641 | } | |
642 | } | |
643 | ||
a22cadbe PM |
644 | static uint64_t tusb_async_readfn(void *opaque, hwaddr addr, unsigned size) |
645 | { | |
646 | switch (size) { | |
647 | case 1: | |
648 | return tusb_async_readb(opaque, addr); | |
649 | case 2: | |
650 | return tusb_async_readh(opaque, addr); | |
651 | case 4: | |
652 | return tusb_async_readw(opaque, addr); | |
653 | default: | |
654 | g_assert_not_reached(); | |
655 | } | |
656 | } | |
657 | ||
658 | static void tusb_async_writefn(void *opaque, hwaddr addr, | |
659 | uint64_t value, unsigned size) | |
660 | { | |
661 | switch (size) { | |
662 | case 1: | |
663 | tusb_async_writeb(opaque, addr, value); | |
664 | break; | |
665 | case 2: | |
666 | tusb_async_writeh(opaque, addr, value); | |
667 | break; | |
668 | case 4: | |
669 | tusb_async_writew(opaque, addr, value); | |
670 | break; | |
671 | default: | |
672 | g_assert_not_reached(); | |
673 | } | |
674 | } | |
675 | ||
64066a8f | 676 | static const MemoryRegionOps tusb_async_ops = { |
a22cadbe PM |
677 | .read = tusb_async_readfn, |
678 | .write = tusb_async_writefn, | |
679 | .valid.min_access_size = 1, | |
680 | .valid.max_access_size = 4, | |
64066a8f | 681 | .endianness = DEVICE_NATIVE_ENDIAN, |
942ac052 AZ |
682 | }; |
683 | ||
684 | static void tusb_otg_tick(void *opaque) | |
685 | { | |
bc24a225 | 686 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
687 | |
688 | s->otg_timer_val = 0; | |
689 | s->intr |= TUSB_INT_SRC_OTG_TIMEOUT; | |
690 | tusb_intr_update(s); | |
691 | } | |
692 | ||
693 | static void tusb_power_tick(void *opaque) | |
694 | { | |
bc24a225 | 695 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
696 | |
697 | if (s->power) { | |
698 | s->intr_ok = ~0; | |
699 | tusb_intr_update(s); | |
700 | } | |
701 | } | |
702 | ||
703 | static void tusb_musb_core_intr(void *opaque, int source, int level) | |
704 | { | |
bc24a225 | 705 | TUSBState *s = (TUSBState *) opaque; |
942ac052 AZ |
706 | uint16_t otg_status = s->otg_status; |
707 | ||
708 | switch (source) { | |
709 | case musb_set_vbus: | |
710 | if (level) | |
711 | otg_status |= TUSB_DEV_OTG_STAT_VBUS_VALID; | |
712 | else | |
713 | otg_status &= ~TUSB_DEV_OTG_STAT_VBUS_VALID; | |
714 | ||
715 | /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_VBUS_DET_EN set? */ | |
716 | /* XXX: only if TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN set? */ | |
717 | if (s->otg_status != otg_status) { | |
718 | s->otg_status = otg_status; | |
719 | s->intr |= TUSB_INT_SRC_VBUS_SENSE_CHNG; | |
720 | tusb_intr_update(s); | |
721 | } | |
722 | break; | |
723 | ||
724 | case musb_set_session: | |
725 | /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_SESS_END_EN set? */ | |
726 | /* XXX: only if TUSB_PRCM_MNGMT_OTG_SESS_END_EN set? */ | |
727 | if (level) { | |
728 | s->otg_status |= TUSB_DEV_OTG_STAT_SESS_VALID; | |
729 | s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_END; | |
730 | } else { | |
731 | s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_VALID; | |
732 | s->otg_status |= TUSB_DEV_OTG_STAT_SESS_END; | |
733 | } | |
734 | ||
735 | /* XXX: some IRQ or anything? */ | |
736 | break; | |
737 | ||
738 | case musb_irq_tx: | |
739 | case musb_irq_rx: | |
740 | s->usbip_intr = musb_core_intr_get(s->musb); | |
741 | /* Fall through. */ | |
742 | default: | |
743 | if (level) | |
744 | s->intr |= 1 << source; | |
745 | else | |
746 | s->intr &= ~(1 << source); | |
747 | tusb_intr_update(s); | |
748 | break; | |
749 | } | |
750 | } | |
751 | ||
bdc76462 | 752 | static void tusb6010_power(TUSBState *s, int on) |
942ac052 | 753 | { |
bdc76462 PM |
754 | if (!on) { |
755 | s->power = 0; | |
756 | } else if (!s->power && on) { | |
757 | s->power = 1; | |
758 | /* Pull the interrupt down after TUSB6010 comes up. */ | |
759 | s->intr_ok = 0; | |
760 | tusb_intr_update(s); | |
73bcb24d RS |
761 | timer_mod(s->pwr_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + |
762 | NANOSECONDS_PER_SECOND / 2); | |
bdc76462 PM |
763 | } |
764 | } | |
765 | ||
766 | static void tusb6010_irq(void *opaque, int source, int level) | |
767 | { | |
768 | if (source) { | |
769 | tusb_musb_core_intr(opaque, source - 1, level); | |
770 | } else { | |
771 | tusb6010_power(opaque, level); | |
772 | } | |
773 | } | |
774 | ||
775 | static void tusb6010_reset(DeviceState *dev) | |
776 | { | |
453be7a6 | 777 | TUSBState *s = TUSB(dev); |
bdc76462 | 778 | int i; |
942ac052 AZ |
779 | |
780 | s->test_reset = TUSB_PROD_TEST_RESET_VAL; | |
781 | s->host_mode = 0; | |
782 | s->dev_config = 0; | |
783 | s->otg_status = 0; /* !TUSB_DEV_OTG_STAT_ID_STATUS means host mode */ | |
784 | s->power = 0; | |
785 | s->mask = 0xffffffff; | |
786 | s->intr = 0x00000000; | |
787 | s->otg_timer_val = 0; | |
bdc76462 PM |
788 | s->scratch = 0; |
789 | s->prcm_config = 0; | |
790 | s->prcm_mngmt = 0; | |
791 | s->intr_ok = 0; | |
792 | s->usbip_intr = 0; | |
793 | s->usbip_mask = 0; | |
794 | s->gpio_intr = 0; | |
795 | s->gpio_mask = 0; | |
796 | s->gpio_config = 0; | |
797 | s->dma_intr = 0; | |
798 | s->dma_mask = 0; | |
799 | s->dma_map = 0; | |
800 | s->dma_config = 0; | |
801 | s->ep0_config = 0; | |
802 | s->wkup_mask = 0; | |
803 | s->pullup[0] = s->pullup[1] = 0; | |
804 | s->control_config = 0; | |
805 | for (i = 0; i < 15; i++) { | |
806 | s->rx_config[i] = s->tx_config[i] = 0; | |
807 | } | |
5b1cdb4e | 808 | musb_reset(s->musb); |
bdc76462 PM |
809 | } |
810 | ||
f7c5f21e | 811 | static void tusb6010_realize(DeviceState *dev, Error **errp) |
bdc76462 | 812 | { |
453be7a6 | 813 | TUSBState *s = TUSB(dev); |
f7c5f21e | 814 | SysBusDevice *sbd = SYS_BUS_DEVICE(dev); |
453be7a6 | 815 | |
bc72ad67 AB |
816 | s->otg_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_otg_tick, s); |
817 | s->pwr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_power_tick, s); | |
853dca12 PB |
818 | memory_region_init_io(&s->iomem[1], OBJECT(s), &tusb_async_ops, s, |
819 | "tusb-async", UINT32_MAX); | |
453be7a6 AF |
820 | sysbus_init_mmio(sbd, &s->iomem[0]); |
821 | sysbus_init_mmio(sbd, &s->iomem[1]); | |
822 | sysbus_init_irq(sbd, &s->irq); | |
823 | qdev_init_gpio_in(dev, tusb6010_irq, musb_irq_max + 1); | |
824 | s->musb = musb_init(dev, 1); | |
942ac052 AZ |
825 | } |
826 | ||
999e12bb AL |
827 | static void tusb6010_class_init(ObjectClass *klass, void *data) |
828 | { | |
39bffca2 | 829 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 830 | |
f7c5f21e | 831 | dc->realize = tusb6010_realize; |
39bffca2 | 832 | dc->reset = tusb6010_reset; |
999e12bb AL |
833 | } |
834 | ||
8c43a6f0 | 835 | static const TypeInfo tusb6010_info = { |
453be7a6 | 836 | .name = TYPE_TUSB6010, |
39bffca2 AL |
837 | .parent = TYPE_SYS_BUS_DEVICE, |
838 | .instance_size = sizeof(TUSBState), | |
839 | .class_init = tusb6010_class_init, | |
bdc76462 | 840 | }; |
942ac052 | 841 | |
83f7d43a | 842 | static void tusb6010_register_types(void) |
bdc76462 | 843 | { |
39bffca2 | 844 | type_register_static(&tusb6010_info); |
942ac052 | 845 | } |
bdc76462 | 846 | |
83f7d43a | 847 | type_init(tusb6010_register_types) |