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43b62393 G |
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 */ | |
d3d037ae | 45 | #define OMAP_USBHS_REV2_1 0x50700101 /* OMAP5 */ |
43b62393 G |
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) | |
d3d037ae | 64 | #define OMAP_P3_MODE_CLEAR (3 << 20) |
43b62393 G |
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 | ||
676ae068 LS |
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(struct omap_usbhs_board_data *usbhs_pdata, | |
149 | struct ehci_hccr **hccr, struct ehci_hcor **hcor); | |
43b62393 G |
150 | int omap_ehci_hcd_stop(void); |
151 | ||
152 | #endif /* _OMAP_COMMON_EHCI_H_ */ |