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 * SPDX-License-Identifier: GPL-2.0 10 */ 11 12 #ifndef _OMAP_COMMON_EHCI_H_ 13 #define _OMAP_COMMON_EHCI_H_ 14 15 enum usbhs_omap_port_mode { 16 OMAP_USBHS_PORT_MODE_UNUSED, 17 OMAP_EHCI_PORT_MODE_PHY, 18 OMAP_EHCI_PORT_MODE_TLL, 19 OMAP_EHCI_PORT_MODE_HSIC, 20 }; 21 22 #ifdef CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 23 #define OMAP_HS_USB_PORTS CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 24 #else 25 #define OMAP_HS_USB_PORTS 3 26 #endif 27 28 #define is_ehci_phy_mode(x) ((x) == OMAP_EHCI_PORT_MODE_PHY) 29 #define is_ehci_tll_mode(x) ((x) == OMAP_EHCI_PORT_MODE_TLL) 30 #define is_ehci_hsic_mode(x) ((x) == OMAP_EHCI_PORT_MODE_HSIC) 31 32 /* Values of UHH_REVISION - Note: these are not given in the TRM */ 33 #define OMAP_USBHS_REV1 0x00000010 /* OMAP3 */ 34 #define OMAP_USBHS_REV2 0x50700100 /* OMAP4 */ 35 #define OMAP_USBHS_REV2_1 0x50700101 /* OMAP5 */ 36 37 /* UHH Register Set */ 38 #define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN (1 << 2) 39 #define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN (1 << 3) 40 #define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN (1 << 4) 41 #define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN (1 << 5) 42 43 #define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS 1 44 #define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS (1 << 11) 45 #define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS (1 << 12) 46 #define OMAP4_UHH_HOSTCONFIG_APP_START_CLK (1 << 31) 47 48 #define OMAP_P1_MODE_CLEAR (3 << 16) 49 #define OMAP_P1_MODE_TLL (1 << 16) 50 #define OMAP_P1_MODE_HSIC (3 << 16) 51 #define OMAP_P2_MODE_CLEAR (3 << 18) 52 #define OMAP_P2_MODE_TLL (1 << 18) 53 #define OMAP_P2_MODE_HSIC (3 << 18) 54 #define OMAP_P3_MODE_CLEAR (3 << 20) 55 #define OMAP_P3_MODE_HSIC (3 << 20) 56 57 /* EHCI Register Set */ 58 #define EHCI_INSNREG04_DISABLE_UNSUSPEND (1 << 5) 59 #define EHCI_INSNREG05_ULPI_CONTROL_SHIFT 31 60 #define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT 24 61 #define EHCI_INSNREG05_ULPI_OPSEL_SHIFT 22 62 #define EHCI_INSNREG05_ULPI_REGADD_SHIFT 16 63 64 #define OMAP_REV1_TLL_CHANNEL_COUNT 3 65 #define OMAP_REV2_TLL_CHANNEL_COUNT 2 66 67 /* TLL Register Set */ 68 #define OMAP_TLL_CHANNEL_CONF(num) (0x004 * num) 69 #define OMAP_TLL_CHANNEL_CONF_DRVVBUS (1 << 16) 70 #define OMAP_TLL_CHANNEL_CONF_CHRGVBUS (1 << 15) 71 #define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11) 72 #define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI (2 << 1) 73 #define OMAP_TLL_CHANNEL_CONF_CHANEN 1 74 75 struct omap_usbhs_board_data { 76 enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS]; 77 }; 78 79 struct omap_usbtll { 80 u32 rev; /* 0x00 */ 81 u32 hwinfo; /* 0x04 */ 82 u8 reserved1[0x8]; 83 u32 sysc; /* 0x10 */ 84 u32 syss; /* 0x14 */ 85 u32 irqst; /* 0x18 */ 86 u32 irqen; /* 0x1c */ 87 u8 reserved2[0x10]; 88 u32 shared_conf; /* 0x30 */ 89 u8 reserved3[0xc]; 90 u32 channel_conf; /* 0x40 */ 91 }; 92 93 struct omap_uhh { 94 u32 rev; /* 0x00 */ 95 u32 hwinfo; /* 0x04 */ 96 u8 reserved1[0x8]; 97 u32 sysc; /* 0x10 */ 98 u32 syss; /* 0x14 */ 99 u8 reserved2[0x28]; 100 u32 hostconfig; /* 0x40 */ 101 u32 debugcsr; /* 0x44 */ 102 }; 103 104 struct omap_ehci { 105 u32 hccapbase; /* 0x00 */ 106 u32 hcsparams; /* 0x04 */ 107 u32 hccparams; /* 0x08 */ 108 u8 reserved1[0x04]; 109 u32 usbcmd; /* 0x10 */ 110 u32 usbsts; /* 0x14 */ 111 u32 usbintr; /* 0x18 */ 112 u32 frindex; /* 0x1c */ 113 u32 ctrldssegment; /* 0x20 */ 114 u32 periodiclistbase; /* 0x24 */ 115 u32 asysnclistaddr; /* 0x28 */ 116 u8 reserved2[0x24]; 117 u32 configflag; /* 0x50 */ 118 u32 portsc_i; /* 0x54 */ 119 u8 reserved3[0x38]; 120 u32 insreg00; /* 0x90 */ 121 u32 insreg01; /* 0x94 */ 122 u32 insreg02; /* 0x98 */ 123 u32 insreg03; /* 0x9c */ 124 u32 insreg04; /* 0xa0 */ 125 u32 insreg05_utmi_ulpi; /* 0xa4 */ 126 u32 insreg06; /* 0xa8 */ 127 u32 insreg07; /* 0xac */ 128 u32 insreg08; /* 0xb0 */ 129 }; 130 131 /* 132 * FIXME: forward declaration of this structs needed because omap got the 133 * ehci implementation backwards. move out ehci_hcd_x from board files 134 */ 135 struct ehci_hccr; 136 struct ehci_hcor; 137 138 int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata, 139 struct ehci_hccr **hccr, struct ehci_hcor **hcor); 140 int omap_ehci_hcd_stop(void); 141 142 #endif /* _OMAP_COMMON_EHCI_H_ */ 143