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Govindraj.R43b62392012-02-06 03:55:34 +00001/*
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
25enum 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 */
Dan Murphyd3d037a2013-08-01 14:05:57 -050045#define OMAP_USBHS_REV2_1 0x50700101 /* OMAP5 */
Govindraj.R43b62392012-02-06 03:55:34 +000046
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)
Dan Murphyd3d037a2013-08-01 14:05:57 -050064#define OMAP_P3_MODE_CLEAR (3 << 20)
Govindraj.R43b62392012-02-06 03:55:34 +000065#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
85struct omap_usbhs_board_data {
86 enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS];
87};
88
89struct 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
103struct 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
114struct 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
Lucas Stach676ae062012-09-26 00:14:35 +0200141/*
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 */
145struct ehci_hccr;
146struct ehci_hcor;
147
Mateusz Zalega16297cf2013-10-04 19:22:26 +0200148int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata,
149 struct ehci_hccr **hccr, struct ehci_hcor **hcor);
Govindraj.R43b62392012-02-06 03:55:34 +0000150int omap_ehci_hcd_stop(void);
151
152#endif /* _OMAP_COMMON_EHCI_H_ */