1 /* 2 * OMAP EHCI port support 3 * Based on LINUX KERNEL 4 * drivers/usb/host/ehci-omap.c and drivers/mfd/omap-usb-host.c 5 * 6 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com* 7 * Author: Govindraj R <govindraj.raja@ti.com> 8 * 9 * This program is free software: you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 of 11 * the License as published by the Free Software Foundation. 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 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 20 */ 21 22 #ifndef _OMAP_COMMON_EHCI_H_ 23 #define _OMAP_COMMON_EHCI_H_ 24 25 enum usbhs_omap_port_mode { 26 OMAP_USBHS_PORT_MODE_UNUSED, 27 OMAP_EHCI_PORT_MODE_PHY, 28 OMAP_EHCI_PORT_MODE_TLL, 29 OMAP_EHCI_PORT_MODE_HSIC, 30 }; 31 32 #ifdef CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 33 #define OMAP_HS_USB_PORTS CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 34 #else 35 #define OMAP_HS_USB_PORTS 3 36 #endif 37 38 #define is_ehci_phy_mode(x) ((x) == OMAP_EHCI_PORT_MODE_PHY) 39 #define is_ehci_tll_mode(x) ((x) == OMAP_EHCI_PORT_MODE_TLL) 40 #define is_ehci_hsic_mode(x) ((x) == OMAP_EHCI_PORT_MODE_HSIC) 41 42 /* Values of UHH_REVISION - Note: these are not given in the TRM */ 43 #define OMAP_USBHS_REV1 0x00000010 /* OMAP3 */ 44 #define OMAP_USBHS_REV2 0x50700100 /* OMAP4 */ 45 #define OMAP_USBHS_REV2_1 0x50700101 /* OMAP5 */ 46 47 /* UHH Register Set */ 48 #define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN (1 << 2) 49 #define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN (1 << 3) 50 #define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN (1 << 4) 51 #define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN (1 << 5) 52 53 #define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS 1 54 #define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS (1 << 11) 55 #define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS (1 << 12) 56 #define OMAP4_UHH_HOSTCONFIG_APP_START_CLK (1 << 31) 57 58 #define OMAP_P1_MODE_CLEAR (3 << 16) 59 #define OMAP_P1_MODE_TLL (1 << 16) 60 #define OMAP_P1_MODE_HSIC (3 << 16) 61 #define OMAP_P2_MODE_CLEAR (3 << 18) 62 #define OMAP_P2_MODE_TLL (1 << 18) 63 #define OMAP_P2_MODE_HSIC (3 << 18) 64 #define OMAP_P3_MODE_CLEAR (3 << 20) 65 #define OMAP_P3_MODE_HSIC (3 << 20) 66 67 /* EHCI Register Set */ 68 #define EHCI_INSNREG04_DISABLE_UNSUSPEND (1 << 5) 69 #define EHCI_INSNREG05_ULPI_CONTROL_SHIFT 31 70 #define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT 24 71 #define EHCI_INSNREG05_ULPI_OPSEL_SHIFT 22 72 #define EHCI_INSNREG05_ULPI_REGADD_SHIFT 16 73 74 #define OMAP_REV1_TLL_CHANNEL_COUNT 3 75 #define OMAP_REV2_TLL_CHANNEL_COUNT 2 76 77 /* TLL Register Set */ 78 #define OMAP_TLL_CHANNEL_CONF(num) (0x004 * num) 79 #define OMAP_TLL_CHANNEL_CONF_DRVVBUS (1 << 16) 80 #define OMAP_TLL_CHANNEL_CONF_CHRGVBUS (1 << 15) 81 #define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11) 82 #define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI (2 << 1) 83 #define OMAP_TLL_CHANNEL_CONF_CHANEN 1 84 85 struct omap_usbhs_board_data { 86 enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS]; 87 }; 88 89 struct omap_usbtll { 90 u32 rev; /* 0x00 */ 91 u32 hwinfo; /* 0x04 */ 92 u8 reserved1[0x8]; 93 u32 sysc; /* 0x10 */ 94 u32 syss; /* 0x14 */ 95 u32 irqst; /* 0x18 */ 96 u32 irqen; /* 0x1c */ 97 u8 reserved2[0x10]; 98 u32 shared_conf; /* 0x30 */ 99 u8 reserved3[0xc]; 100 u32 channel_conf; /* 0x40 */ 101 }; 102 103 struct omap_uhh { 104 u32 rev; /* 0x00 */ 105 u32 hwinfo; /* 0x04 */ 106 u8 reserved1[0x8]; 107 u32 sysc; /* 0x10 */ 108 u32 syss; /* 0x14 */ 109 u8 reserved2[0x28]; 110 u32 hostconfig; /* 0x40 */ 111 u32 debugcsr; /* 0x44 */ 112 }; 113 114 struct omap_ehci { 115 u32 hccapbase; /* 0x00 */ 116 u32 hcsparams; /* 0x04 */ 117 u32 hccparams; /* 0x08 */ 118 u8 reserved1[0x04]; 119 u32 usbcmd; /* 0x10 */ 120 u32 usbsts; /* 0x14 */ 121 u32 usbintr; /* 0x18 */ 122 u32 frindex; /* 0x1c */ 123 u32 ctrldssegment; /* 0x20 */ 124 u32 periodiclistbase; /* 0x24 */ 125 u32 asysnclistaddr; /* 0x28 */ 126 u8 reserved2[0x24]; 127 u32 configflag; /* 0x50 */ 128 u32 portsc_i; /* 0x54 */ 129 u8 reserved3[0x38]; 130 u32 insreg00; /* 0x90 */ 131 u32 insreg01; /* 0x94 */ 132 u32 insreg02; /* 0x98 */ 133 u32 insreg03; /* 0x9c */ 134 u32 insreg04; /* 0xa0 */ 135 u32 insreg05_utmi_ulpi; /* 0xa4 */ 136 u32 insreg06; /* 0xa8 */ 137 u32 insreg07; /* 0xac */ 138 u32 insreg08; /* 0xb0 */ 139 }; 140 141 /* 142 * FIXME: forward declaration of this structs needed because omap got the 143 * ehci implementation backwards. move out ehci_hcd_x from board files 144 */ 145 struct ehci_hccr; 146 struct ehci_hcor; 147 148 int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata, 149 struct ehci_hccr **hccr, struct ehci_hcor **hcor); 150 int omap_ehci_hcd_stop(void); 151 152 #endif /* _OMAP_COMMON_EHCI_H_ */ 153