1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * OMAP EHCI port support 4 * Based on LINUX KERNEL 5 * drivers/usb/host/ehci-omap.c and drivers/mfd/omap-usb-host.c 6 * 7 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com* 8 * Author: Govindraj R <govindraj.raja@ti.com> 9 */ 10 11 #ifndef _OMAP_COMMON_EHCI_H_ 12 #define _OMAP_COMMON_EHCI_H_ 13 14 enum usbhs_omap_port_mode { 15 OMAP_USBHS_PORT_MODE_UNUSED, 16 OMAP_EHCI_PORT_MODE_PHY, 17 OMAP_EHCI_PORT_MODE_TLL, 18 OMAP_EHCI_PORT_MODE_HSIC, 19 }; 20 21 #define OMAP_HS_USB_PORTS 3 22 23 #define is_ehci_phy_mode(x) ((x) == OMAP_EHCI_PORT_MODE_PHY) 24 #define is_ehci_tll_mode(x) ((x) == OMAP_EHCI_PORT_MODE_TLL) 25 #define is_ehci_hsic_mode(x) ((x) == OMAP_EHCI_PORT_MODE_HSIC) 26 27 /* Values of UHH_REVISION - Note: these are not given in the TRM */ 28 #define OMAP_USBHS_REV1 0x00000010 /* OMAP3 */ 29 #define OMAP_USBHS_REV2 0x50700100 /* OMAP4 */ 30 #define OMAP_USBHS_REV2_1 0x50700101 /* OMAP5 */ 31 32 /* UHH Register Set */ 33 #define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN (1 << 2) 34 #define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN (1 << 3) 35 #define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN (1 << 4) 36 #define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN (1 << 5) 37 38 #define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS 1 39 #define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS (1 << 11) 40 #define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS (1 << 12) 41 #define OMAP4_UHH_HOSTCONFIG_APP_START_CLK (1 << 31) 42 43 #define OMAP_P1_MODE_CLEAR (3 << 16) 44 #define OMAP_P1_MODE_TLL (1 << 16) 45 #define OMAP_P1_MODE_HSIC (3 << 16) 46 #define OMAP_P2_MODE_CLEAR (3 << 18) 47 #define OMAP_P2_MODE_TLL (1 << 18) 48 #define OMAP_P2_MODE_HSIC (3 << 18) 49 #define OMAP_P3_MODE_CLEAR (3 << 20) 50 #define OMAP_P3_MODE_HSIC (3 << 20) 51 52 /* EHCI Register Set */ 53 #define EHCI_INSNREG04_DISABLE_UNSUSPEND (1 << 5) 54 #define EHCI_INSNREG05_ULPI_CONTROL_SHIFT 31 55 #define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT 24 56 #define EHCI_INSNREG05_ULPI_OPSEL_SHIFT 22 57 #define EHCI_INSNREG05_ULPI_REGADD_SHIFT 16 58 59 #define OMAP_REV1_TLL_CHANNEL_COUNT 3 60 #define OMAP_REV2_TLL_CHANNEL_COUNT 2 61 62 /* TLL Register Set */ 63 #define OMAP_TLL_CHANNEL_CONF(num) (0x004 * num) 64 #define OMAP_TLL_CHANNEL_CONF_DRVVBUS (1 << 16) 65 #define OMAP_TLL_CHANNEL_CONF_CHRGVBUS (1 << 15) 66 #define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11) 67 #define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI (2 << 1) 68 #define OMAP_TLL_CHANNEL_CONF_CHANEN 1 69 70 struct omap_usbhs_board_data { 71 enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS]; 72 }; 73 74 struct omap_usbtll { 75 u32 rev; /* 0x00 */ 76 u32 hwinfo; /* 0x04 */ 77 u8 reserved1[0x8]; 78 u32 sysc; /* 0x10 */ 79 u32 syss; /* 0x14 */ 80 u32 irqst; /* 0x18 */ 81 u32 irqen; /* 0x1c */ 82 u8 reserved2[0x10]; 83 u32 shared_conf; /* 0x30 */ 84 u8 reserved3[0xc]; 85 u32 channel_conf; /* 0x40 */ 86 }; 87 88 struct omap_uhh { 89 u32 rev; /* 0x00 */ 90 u32 hwinfo; /* 0x04 */ 91 u8 reserved1[0x8]; 92 u32 sysc; /* 0x10 */ 93 u32 syss; /* 0x14 */ 94 u8 reserved2[0x28]; 95 u32 hostconfig; /* 0x40 */ 96 u32 debugcsr; /* 0x44 */ 97 }; 98 99 struct omap_ehci { 100 u32 hccapbase; /* 0x00 */ 101 u32 hcsparams; /* 0x04 */ 102 u32 hccparams; /* 0x08 */ 103 u8 reserved1[0x04]; 104 u32 usbcmd; /* 0x10 */ 105 u32 usbsts; /* 0x14 */ 106 u32 usbintr; /* 0x18 */ 107 u32 frindex; /* 0x1c */ 108 u32 ctrldssegment; /* 0x20 */ 109 u32 periodiclistbase; /* 0x24 */ 110 u32 asysnclistaddr; /* 0x28 */ 111 u8 reserved2[0x24]; 112 u32 configflag; /* 0x50 */ 113 u32 portsc_i; /* 0x54 */ 114 u8 reserved3[0x38]; 115 u32 insreg00; /* 0x90 */ 116 u32 insreg01; /* 0x94 */ 117 u32 insreg02; /* 0x98 */ 118 u32 insreg03; /* 0x9c */ 119 u32 insreg04; /* 0xa0 */ 120 u32 insreg05_utmi_ulpi; /* 0xa4 */ 121 u32 insreg06; /* 0xa8 */ 122 u32 insreg07; /* 0xac */ 123 u32 insreg08; /* 0xb0 */ 124 }; 125 126 /* 127 * FIXME: forward declaration of this structs needed because omap got the 128 * ehci implementation backwards. move out ehci_hcd_x from board files 129 */ 130 struct ehci_hccr; 131 struct ehci_hcor; 132 133 int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata, 134 struct ehci_hccr **hccr, struct ehci_hcor **hcor); 135 int omap_ehci_hcd_stop(void); 136 137 #endif /* _OMAP_COMMON_EHCI_H_ */ 138