Tony Lindgren | b924b20 | 2012-06-04 00:56:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * FIXME correct answer depends on hmc_mode, |
| 3 | * as does (on omap1) any nonzero value for config->otg port number |
| 4 | */ |
| 5 | #ifdef CONFIG_USB_GADGET_OMAP |
| 6 | #define is_usb0_device(config) 1 |
| 7 | #else |
| 8 | #define is_usb0_device(config) 0 |
| 9 | #endif |
| 10 | |
| 11 | struct omap_usb_config { |
| 12 | /* Configure drivers according to the connectors on your board: |
| 13 | * - "A" connector (rectagular) |
| 14 | * ... for host/OHCI use, set "register_host". |
| 15 | * - "B" connector (squarish) or "Mini-B" |
| 16 | * ... for device/gadget use, set "register_dev". |
| 17 | * - "Mini-AB" connector (very similar to Mini-B) |
| 18 | * ... for OTG use as device OR host, initialize "otg" |
| 19 | */ |
| 20 | unsigned register_host:1; |
| 21 | unsigned register_dev:1; |
| 22 | u8 otg; /* port number, 1-based: usb1 == 2 */ |
| 23 | |
| 24 | u8 hmc_mode; |
| 25 | |
| 26 | /* implicitly true if otg: host supports remote wakeup? */ |
| 27 | u8 rwc; |
| 28 | |
| 29 | /* signaling pins used to talk to transceiver on usbN: |
| 30 | * 0 == usbN unused |
| 31 | * 2 == usb0-only, using internal transceiver |
| 32 | * 3 == 3 wire bidirectional |
| 33 | * 4 == 4 wire bidirectional |
| 34 | * 6 == 6 wire unidirectional (or TLL) |
| 35 | */ |
| 36 | u8 pins[3]; |
| 37 | |
| 38 | struct platform_device *udc_device; |
| 39 | struct platform_device *ohci_device; |
| 40 | struct platform_device *otg_device; |
| 41 | |
| 42 | u32 (*usb0_init)(unsigned nwires, unsigned is_device); |
| 43 | u32 (*usb1_init)(unsigned nwires); |
| 44 | u32 (*usb2_init)(unsigned nwires, unsigned alt_pingroup); |
| 45 | |
| 46 | int (*ocpi_enable)(void); |
| 47 | }; |
| 48 | |
| 49 | void omap_otg_init(struct omap_usb_config *config); |
| 50 | |
| 51 | #if defined(CONFIG_USB) || defined(CONFIG_USB_MODULE) |
| 52 | void omap1_usb_init(struct omap_usb_config *pdata); |
| 53 | #else |
| 54 | static inline void omap1_usb_init(struct omap_usb_config *pdata) |
| 55 | { |
| 56 | } |
| 57 | #endif |
| 58 | |
| 59 | #define OMAP1_OTG_BASE 0xfffb0400 |
| 60 | #define OMAP1_UDC_BASE 0xfffb4000 |
| 61 | #define OMAP1_OHCI_BASE 0xfffba000 |
| 62 | |
| 63 | #define OMAP2_OHCI_BASE 0x4805e000 |
| 64 | #define OMAP2_UDC_BASE 0x4805e200 |
| 65 | #define OMAP2_OTG_BASE 0x4805e300 |
| 66 | #define OTG_BASE OMAP1_OTG_BASE |
| 67 | #define UDC_BASE OMAP1_UDC_BASE |
| 68 | #define OMAP_OHCI_BASE OMAP1_OHCI_BASE |
| 69 | |
| 70 | /* |
| 71 | * OTG and transceiver registers, for OMAPs starting with ARM926 |
| 72 | */ |
| 73 | #define OTG_REV (OTG_BASE + 0x00) |
| 74 | #define OTG_SYSCON_1 (OTG_BASE + 0x04) |
| 75 | # define USB2_TRX_MODE(w) (((w)>>24)&0x07) |
| 76 | # define USB1_TRX_MODE(w) (((w)>>20)&0x07) |
| 77 | # define USB0_TRX_MODE(w) (((w)>>16)&0x07) |
| 78 | # define OTG_IDLE_EN (1 << 15) |
| 79 | # define HST_IDLE_EN (1 << 14) |
| 80 | # define DEV_IDLE_EN (1 << 13) |
| 81 | # define OTG_RESET_DONE (1 << 2) |
| 82 | # define OTG_SOFT_RESET (1 << 1) |
| 83 | #define OTG_SYSCON_2 (OTG_BASE + 0x08) |
| 84 | # define OTG_EN (1 << 31) |
| 85 | # define USBX_SYNCHRO (1 << 30) |
| 86 | # define OTG_MST16 (1 << 29) |
| 87 | # define SRP_GPDATA (1 << 28) |
| 88 | # define SRP_GPDVBUS (1 << 27) |
| 89 | # define SRP_GPUVBUS(w) (((w)>>24)&0x07) |
| 90 | # define A_WAIT_VRISE(w) (((w)>>20)&0x07) |
| 91 | # define B_ASE_BRST(w) (((w)>>16)&0x07) |
| 92 | # define SRP_DPW (1 << 14) |
| 93 | # define SRP_DATA (1 << 13) |
| 94 | # define SRP_VBUS (1 << 12) |
| 95 | # define OTG_PADEN (1 << 10) |
| 96 | # define HMC_PADEN (1 << 9) |
| 97 | # define UHOST_EN (1 << 8) |
| 98 | # define HMC_TLLSPEED (1 << 7) |
| 99 | # define HMC_TLLATTACH (1 << 6) |
| 100 | # define OTG_HMC(w) (((w)>>0)&0x3f) |
| 101 | #define OTG_CTRL (OTG_BASE + 0x0c) |
| 102 | # define OTG_USB2_EN (1 << 29) |
| 103 | # define OTG_USB2_DP (1 << 28) |
| 104 | # define OTG_USB2_DM (1 << 27) |
| 105 | # define OTG_USB1_EN (1 << 26) |
| 106 | # define OTG_USB1_DP (1 << 25) |
| 107 | # define OTG_USB1_DM (1 << 24) |
| 108 | # define OTG_USB0_EN (1 << 23) |
| 109 | # define OTG_USB0_DP (1 << 22) |
| 110 | # define OTG_USB0_DM (1 << 21) |
| 111 | # define OTG_ASESSVLD (1 << 20) |
| 112 | # define OTG_BSESSEND (1 << 19) |
| 113 | # define OTG_BSESSVLD (1 << 18) |
| 114 | # define OTG_VBUSVLD (1 << 17) |
| 115 | # define OTG_ID (1 << 16) |
| 116 | # define OTG_DRIVER_SEL (1 << 15) |
| 117 | # define OTG_A_SETB_HNPEN (1 << 12) |
| 118 | # define OTG_A_BUSREQ (1 << 11) |
| 119 | # define OTG_B_HNPEN (1 << 9) |
| 120 | # define OTG_B_BUSREQ (1 << 8) |
| 121 | # define OTG_BUSDROP (1 << 7) |
| 122 | # define OTG_PULLDOWN (1 << 5) |
| 123 | # define OTG_PULLUP (1 << 4) |
| 124 | # define OTG_DRV_VBUS (1 << 3) |
| 125 | # define OTG_PD_VBUS (1 << 2) |
| 126 | # define OTG_PU_VBUS (1 << 1) |
| 127 | # define OTG_PU_ID (1 << 0) |
| 128 | #define OTG_IRQ_EN (OTG_BASE + 0x10) /* 16-bit */ |
| 129 | # define DRIVER_SWITCH (1 << 15) |
| 130 | # define A_VBUS_ERR (1 << 13) |
| 131 | # define A_REQ_TMROUT (1 << 12) |
| 132 | # define A_SRP_DETECT (1 << 11) |
| 133 | # define B_HNP_FAIL (1 << 10) |
| 134 | # define B_SRP_TMROUT (1 << 9) |
| 135 | # define B_SRP_DONE (1 << 8) |
| 136 | # define B_SRP_STARTED (1 << 7) |
| 137 | # define OPRT_CHG (1 << 0) |
| 138 | #define OTG_IRQ_SRC (OTG_BASE + 0x14) /* 16-bit */ |
| 139 | // same bits as in IRQ_EN |
| 140 | #define OTG_OUTCTRL (OTG_BASE + 0x18) /* 16-bit */ |
| 141 | # define OTGVPD (1 << 14) |
| 142 | # define OTGVPU (1 << 13) |
| 143 | # define OTGPUID (1 << 12) |
| 144 | # define USB2VDR (1 << 10) |
| 145 | # define USB2PDEN (1 << 9) |
| 146 | # define USB2PUEN (1 << 8) |
| 147 | # define USB1VDR (1 << 6) |
| 148 | # define USB1PDEN (1 << 5) |
| 149 | # define USB1PUEN (1 << 4) |
| 150 | # define USB0VDR (1 << 2) |
| 151 | # define USB0PDEN (1 << 1) |
| 152 | # define USB0PUEN (1 << 0) |
| 153 | #define OTG_TEST (OTG_BASE + 0x20) /* 16-bit */ |
| 154 | #define OTG_VENDOR_CODE (OTG_BASE + 0xfc) /* 16-bit */ |
| 155 | |
| 156 | /*-------------------------------------------------------------------------*/ |
| 157 | |
| 158 | /* OMAP1 */ |
| 159 | #define USB_TRANSCEIVER_CTRL (0xfffe1000 + 0x0064) |
| 160 | # define CONF_USB2_UNI_R (1 << 8) |
| 161 | # define CONF_USB1_UNI_R (1 << 7) |
| 162 | # define CONF_USB_PORT0_R(x) (((x)>>4)&0x7) |
| 163 | # define CONF_USB0_ISOLATE_R (1 << 3) |
| 164 | # define CONF_USB_PWRDN_DM_R (1 << 2) |
| 165 | # define CONF_USB_PWRDN_DP_R (1 << 1) |