usb.h 10 KB

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  1. // include/asm-arm/mach-omap/usb.h
  2. #ifndef __ASM_ARCH_OMAP_USB_H
  3. #define __ASM_ARCH_OMAP_USB_H
  4. #include <linux/io.h>
  5. #include <linux/usb/musb.h>
  6. #include <plat/board.h>
  7. #define OMAP3_HS_USB_PORTS 3
  8. enum usbhs_omap_port_mode {
  9. OMAP_USBHS_PORT_MODE_UNUSED,
  10. OMAP_EHCI_PORT_MODE_PHY,
  11. OMAP_EHCI_PORT_MODE_TLL,
  12. OMAP_EHCI_PORT_MODE_HSIC,
  13. OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0,
  14. OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM,
  15. OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0,
  16. OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM,
  17. OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0,
  18. OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM,
  19. OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0,
  20. OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM,
  21. OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0,
  22. OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM
  23. };
  24. struct usbhs_omap_board_data {
  25. enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS];
  26. /* have to be valid if phy_reset is true and portx is in phy mode */
  27. int reset_gpio_port[OMAP3_HS_USB_PORTS];
  28. /* Set this to true for ES2.x silicon */
  29. unsigned es2_compatibility:1;
  30. unsigned phy_reset:1;
  31. /*
  32. * Regulators for USB PHYs.
  33. * Each PHY can have a separate regulator.
  34. */
  35. struct regulator *regulator[OMAP3_HS_USB_PORTS];
  36. };
  37. struct ehci_hcd_omap_platform_data {
  38. enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS];
  39. int reset_gpio_port[OMAP3_HS_USB_PORTS];
  40. struct regulator *regulator[OMAP3_HS_USB_PORTS];
  41. unsigned phy_reset:1;
  42. };
  43. struct ohci_hcd_omap_platform_data {
  44. enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS];
  45. unsigned es2_compatibility:1;
  46. };
  47. struct usbhs_omap_platform_data {
  48. enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS];
  49. struct ehci_hcd_omap_platform_data *ehci_data;
  50. struct ohci_hcd_omap_platform_data *ohci_data;
  51. };
  52. /*-------------------------------------------------------------------------*/
  53. #define OMAP1_OTG_BASE 0xfffb0400
  54. #define OMAP1_UDC_BASE 0xfffb4000
  55. #define OMAP1_OHCI_BASE 0xfffba000
  56. #define OMAP2_OHCI_BASE 0x4805e000
  57. #define OMAP2_UDC_BASE 0x4805e200
  58. #define OMAP2_OTG_BASE 0x4805e300
  59. #ifdef CONFIG_ARCH_OMAP1
  60. #define OTG_BASE OMAP1_OTG_BASE
  61. #define UDC_BASE OMAP1_UDC_BASE
  62. #define OMAP_OHCI_BASE OMAP1_OHCI_BASE
  63. #else
  64. #define OTG_BASE OMAP2_OTG_BASE
  65. #define UDC_BASE OMAP2_UDC_BASE
  66. #define OMAP_OHCI_BASE OMAP2_OHCI_BASE
  67. struct omap_musb_board_data {
  68. u8 interface_type;
  69. u8 mode;
  70. u16 power;
  71. unsigned extvbus:1;
  72. void (*set_phy_power)(u8 on);
  73. void (*clear_irq)(void);
  74. void (*set_mode)(u8 mode);
  75. void (*reset)(void);
  76. };
  77. enum musb_interface {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};
  78. extern void usb_musb_init(struct omap_musb_board_data *board_data);
  79. extern void usbhs_init(const struct usbhs_omap_board_data *pdata);
  80. extern int omap4430_phy_power(struct device *dev, int ID, int on);
  81. extern int omap4430_phy_set_clk(struct device *dev, int on);
  82. extern int omap4430_phy_init(struct device *dev);
  83. extern int omap4430_phy_exit(struct device *dev);
  84. extern int omap4430_phy_suspend(struct device *dev, int suspend);
  85. /*
  86. * NOTE: Please update omap USB drivers to use ioremap + read/write
  87. */
  88. #define OMAP2_L4_IO_OFFSET 0xb2000000
  89. #define OMAP2_L4_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_L4_IO_OFFSET)
  90. static inline u8 omap_readb(u32 pa)
  91. {
  92. return __raw_readb(OMAP2_L4_IO_ADDRESS(pa));
  93. }
  94. static inline u16 omap_readw(u32 pa)
  95. {
  96. return __raw_readw(OMAP2_L4_IO_ADDRESS(pa));
  97. }
  98. static inline u32 omap_readl(u32 pa)
  99. {
  100. return __raw_readl(OMAP2_L4_IO_ADDRESS(pa));
  101. }
  102. static inline void omap_writeb(u8 v, u32 pa)
  103. {
  104. __raw_writeb(v, OMAP2_L4_IO_ADDRESS(pa));
  105. }
  106. static inline void omap_writew(u16 v, u32 pa)
  107. {
  108. __raw_writew(v, OMAP2_L4_IO_ADDRESS(pa));
  109. }
  110. static inline void omap_writel(u32 v, u32 pa)
  111. {
  112. __raw_writel(v, OMAP2_L4_IO_ADDRESS(pa));
  113. }
  114. #endif
  115. extern void am35x_musb_reset(void);
  116. extern void am35x_musb_phy_power(u8 on);
  117. extern void am35x_musb_clear_irq(void);
  118. extern void am35x_set_mode(u8 musb_mode);
  119. extern void ti81xx_musb_phy_power(u8 on);
  120. /*
  121. * FIXME correct answer depends on hmc_mode,
  122. * as does (on omap1) any nonzero value for config->otg port number
  123. */
  124. #ifdef CONFIG_USB_GADGET_OMAP
  125. #define is_usb0_device(config) 1
  126. #else
  127. #define is_usb0_device(config) 0
  128. #endif
  129. void omap_otg_init(struct omap_usb_config *config);
  130. #if defined(CONFIG_USB) || defined(CONFIG_USB_MODULE)
  131. void omap1_usb_init(struct omap_usb_config *pdata);
  132. #else
  133. static inline void omap1_usb_init(struct omap_usb_config *pdata)
  134. {
  135. }
  136. #endif
  137. #if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP_OTG_MODULE)
  138. void omap2_usbfs_init(struct omap_usb_config *pdata);
  139. #else
  140. static inline void omap2_usbfs_init(struct omap_usb_config *pdata)
  141. {
  142. }
  143. #endif
  144. /*-------------------------------------------------------------------------*/
  145. /*
  146. * OTG and transceiver registers, for OMAPs starting with ARM926
  147. */
  148. #define OTG_REV (OTG_BASE + 0x00)
  149. #define OTG_SYSCON_1 (OTG_BASE + 0x04)
  150. # define USB2_TRX_MODE(w) (((w)>>24)&0x07)
  151. # define USB1_TRX_MODE(w) (((w)>>20)&0x07)
  152. # define USB0_TRX_MODE(w) (((w)>>16)&0x07)
  153. # define OTG_IDLE_EN (1 << 15)
  154. # define HST_IDLE_EN (1 << 14)
  155. # define DEV_IDLE_EN (1 << 13)
  156. # define OTG_RESET_DONE (1 << 2)
  157. # define OTG_SOFT_RESET (1 << 1)
  158. #define OTG_SYSCON_2 (OTG_BASE + 0x08)
  159. # define OTG_EN (1 << 31)
  160. # define USBX_SYNCHRO (1 << 30)
  161. # define OTG_MST16 (1 << 29)
  162. # define SRP_GPDATA (1 << 28)
  163. # define SRP_GPDVBUS (1 << 27)
  164. # define SRP_GPUVBUS(w) (((w)>>24)&0x07)
  165. # define A_WAIT_VRISE(w) (((w)>>20)&0x07)
  166. # define B_ASE_BRST(w) (((w)>>16)&0x07)
  167. # define SRP_DPW (1 << 14)
  168. # define SRP_DATA (1 << 13)
  169. # define SRP_VBUS (1 << 12)
  170. # define OTG_PADEN (1 << 10)
  171. # define HMC_PADEN (1 << 9)
  172. # define UHOST_EN (1 << 8)
  173. # define HMC_TLLSPEED (1 << 7)
  174. # define HMC_TLLATTACH (1 << 6)
  175. # define OTG_HMC(w) (((w)>>0)&0x3f)
  176. #define OTG_CTRL (OTG_BASE + 0x0c)
  177. # define OTG_USB2_EN (1 << 29)
  178. # define OTG_USB2_DP (1 << 28)
  179. # define OTG_USB2_DM (1 << 27)
  180. # define OTG_USB1_EN (1 << 26)
  181. # define OTG_USB1_DP (1 << 25)
  182. # define OTG_USB1_DM (1 << 24)
  183. # define OTG_USB0_EN (1 << 23)
  184. # define OTG_USB0_DP (1 << 22)
  185. # define OTG_USB0_DM (1 << 21)
  186. # define OTG_ASESSVLD (1 << 20)
  187. # define OTG_BSESSEND (1 << 19)
  188. # define OTG_BSESSVLD (1 << 18)
  189. # define OTG_VBUSVLD (1 << 17)
  190. # define OTG_ID (1 << 16)
  191. # define OTG_DRIVER_SEL (1 << 15)
  192. # define OTG_A_SETB_HNPEN (1 << 12)
  193. # define OTG_A_BUSREQ (1 << 11)
  194. # define OTG_B_HNPEN (1 << 9)
  195. # define OTG_B_BUSREQ (1 << 8)
  196. # define OTG_BUSDROP (1 << 7)
  197. # define OTG_PULLDOWN (1 << 5)
  198. # define OTG_PULLUP (1 << 4)
  199. # define OTG_DRV_VBUS (1 << 3)
  200. # define OTG_PD_VBUS (1 << 2)
  201. # define OTG_PU_VBUS (1 << 1)
  202. # define OTG_PU_ID (1 << 0)
  203. #define OTG_IRQ_EN (OTG_BASE + 0x10) /* 16-bit */
  204. # define DRIVER_SWITCH (1 << 15)
  205. # define A_VBUS_ERR (1 << 13)
  206. # define A_REQ_TMROUT (1 << 12)
  207. # define A_SRP_DETECT (1 << 11)
  208. # define B_HNP_FAIL (1 << 10)
  209. # define B_SRP_TMROUT (1 << 9)
  210. # define B_SRP_DONE (1 << 8)
  211. # define B_SRP_STARTED (1 << 7)
  212. # define OPRT_CHG (1 << 0)
  213. #define OTG_IRQ_SRC (OTG_BASE + 0x14) /* 16-bit */
  214. // same bits as in IRQ_EN
  215. #define OTG_OUTCTRL (OTG_BASE + 0x18) /* 16-bit */
  216. # define OTGVPD (1 << 14)
  217. # define OTGVPU (1 << 13)
  218. # define OTGPUID (1 << 12)
  219. # define USB2VDR (1 << 10)
  220. # define USB2PDEN (1 << 9)
  221. # define USB2PUEN (1 << 8)
  222. # define USB1VDR (1 << 6)
  223. # define USB1PDEN (1 << 5)
  224. # define USB1PUEN (1 << 4)
  225. # define USB0VDR (1 << 2)
  226. # define USB0PDEN (1 << 1)
  227. # define USB0PUEN (1 << 0)
  228. #define OTG_TEST (OTG_BASE + 0x20) /* 16-bit */
  229. #define OTG_VENDOR_CODE (OTG_BASE + 0xfc) /* 16-bit */
  230. /*-------------------------------------------------------------------------*/
  231. /* OMAP1 */
  232. #define USB_TRANSCEIVER_CTRL (0xfffe1000 + 0x0064)
  233. # define CONF_USB2_UNI_R (1 << 8)
  234. # define CONF_USB1_UNI_R (1 << 7)
  235. # define CONF_USB_PORT0_R(x) (((x)>>4)&0x7)
  236. # define CONF_USB0_ISOLATE_R (1 << 3)
  237. # define CONF_USB_PWRDN_DM_R (1 << 2)
  238. # define CONF_USB_PWRDN_DP_R (1 << 1)
  239. /* OMAP2 */
  240. # define USB_UNIDIR 0x0
  241. # define USB_UNIDIR_TLL 0x1
  242. # define USB_BIDIR 0x2
  243. # define USB_BIDIR_TLL 0x3
  244. # define USBTXWRMODEI(port, x) ((x) << (22 - (port * 2)))
  245. # define USBT2TLL5PI (1 << 17)
  246. # define USB0PUENACTLOI (1 << 16)
  247. # define USBSTANDBYCTRL (1 << 15)
  248. /* AM35x */
  249. /* USB 2.0 PHY Control */
  250. #define CONF2_PHY_GPIOMODE (1 << 23)
  251. #define CONF2_OTGMODE (3 << 14)
  252. #define CONF2_NO_OVERRIDE (0 << 14)
  253. #define CONF2_FORCE_HOST (1 << 14)
  254. #define CONF2_FORCE_DEVICE (2 << 14)
  255. #define CONF2_FORCE_HOST_VBUS_LOW (3 << 14)
  256. #define CONF2_SESENDEN (1 << 13)
  257. #define CONF2_VBDTCTEN (1 << 12)
  258. #define CONF2_REFFREQ_24MHZ (2 << 8)
  259. #define CONF2_REFFREQ_26MHZ (7 << 8)
  260. #define CONF2_REFFREQ_13MHZ (6 << 8)
  261. #define CONF2_REFFREQ (0xf << 8)
  262. #define CONF2_PHYCLKGD (1 << 7)
  263. #define CONF2_VBUSSENSE (1 << 6)
  264. #define CONF2_PHY_PLLON (1 << 5)
  265. #define CONF2_RESET (1 << 4)
  266. #define CONF2_PHYPWRDN (1 << 3)
  267. #define CONF2_OTGPWRDN (1 << 2)
  268. #define CONF2_DATPOL (1 << 1)
  269. /* TI81XX specific definitions */
  270. #define USBCTRL0 0x620
  271. #define USBSTAT0 0x624
  272. /* TI816X PHY controls bits */
  273. #define TI816X_USBPHY0_NORMAL_MODE (1 << 0)
  274. #define TI816X_USBPHY_REFCLK_OSC (1 << 8)
  275. /* TI814X PHY controls bits */
  276. #define USBPHY_CM_PWRDN (1 << 0)
  277. #define USBPHY_OTG_PWRDN (1 << 1)
  278. #define USBPHY_CHGDET_DIS (1 << 2)
  279. #define USBPHY_CHGDET_RSTRT (1 << 3)
  280. #define USBPHY_SRCONDM (1 << 4)
  281. #define USBPHY_SINKONDP (1 << 5)
  282. #define USBPHY_CHGISINK_EN (1 << 6)
  283. #define USBPHY_CHGVSRC_EN (1 << 7)
  284. #define USBPHY_DMPULLUP (1 << 8)
  285. #define USBPHY_DPPULLUP (1 << 9)
  286. #define USBPHY_CDET_EXTCTL (1 << 10)
  287. #define USBPHY_GPIO_MODE (1 << 12)
  288. #define USBPHY_DPOPBUFCTL (1 << 13)
  289. #define USBPHY_DMOPBUFCTL (1 << 14)
  290. #define USBPHY_DPINPUT (1 << 15)
  291. #define USBPHY_DMINPUT (1 << 16)
  292. #define USBPHY_DPGPIO_PD (1 << 17)
  293. #define USBPHY_DMGPIO_PD (1 << 18)
  294. #define USBPHY_OTGVDET_EN (1 << 19)
  295. #define USBPHY_OTGSESSEND_EN (1 << 20)
  296. #define USBPHY_DATA_POLARITY (1 << 23)
  297. #if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_USB)
  298. u32 omap1_usb0_init(unsigned nwires, unsigned is_device);
  299. u32 omap1_usb1_init(unsigned nwires);
  300. u32 omap1_usb2_init(unsigned nwires, unsigned alt_pingroup);
  301. #else
  302. static inline u32 omap1_usb0_init(unsigned nwires, unsigned is_device)
  303. {
  304. return 0;
  305. }
  306. static inline u32 omap1_usb1_init(unsigned nwires)
  307. {
  308. return 0;
  309. }
  310. static inline u32 omap1_usb2_init(unsigned nwires, unsigned alt_pingroup)
  311. {
  312. return 0;
  313. }
  314. #endif
  315. #endif /* __ASM_ARCH_OMAP_USB_H */