xref: /openbmc/u-boot/arch/arm/include/asm/ehci-omap.h (revision 20b9f2ea)
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 #define OMAP_HS_USB_PORTS	3
23 
24 #define is_ehci_phy_mode(x)	((x) == OMAP_EHCI_PORT_MODE_PHY)
25 #define is_ehci_tll_mode(x)	((x) == OMAP_EHCI_PORT_MODE_TLL)
26 #define is_ehci_hsic_mode(x)	((x) == OMAP_EHCI_PORT_MODE_HSIC)
27 
28 /* Values of UHH_REVISION - Note: these are not given in the TRM */
29 #define OMAP_USBHS_REV1					0x00000010 /* OMAP3 */
30 #define OMAP_USBHS_REV2					0x50700100 /* OMAP4 */
31 #define OMAP_USBHS_REV2_1				0x50700101 /* OMAP5 */
32 
33 /* UHH Register Set */
34 #define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN		(1 << 2)
35 #define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN		(1 << 3)
36 #define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN		(1 << 4)
37 #define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN		(1 << 5)
38 
39 #define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS		1
40 #define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS		(1 << 11)
41 #define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS		(1 << 12)
42 #define OMAP4_UHH_HOSTCONFIG_APP_START_CLK		(1 << 31)
43 
44 #define OMAP_P1_MODE_CLEAR				(3 << 16)
45 #define OMAP_P1_MODE_TLL				(1 << 16)
46 #define OMAP_P1_MODE_HSIC				(3 << 16)
47 #define OMAP_P2_MODE_CLEAR				(3 << 18)
48 #define OMAP_P2_MODE_TLL				(1 << 18)
49 #define OMAP_P2_MODE_HSIC				(3 << 18)
50 #define OMAP_P3_MODE_CLEAR				(3 << 20)
51 #define OMAP_P3_MODE_HSIC				(3 << 20)
52 
53 /* EHCI Register Set */
54 #define EHCI_INSNREG04_DISABLE_UNSUSPEND		(1 << 5)
55 #define EHCI_INSNREG05_ULPI_CONTROL_SHIFT		31
56 #define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT		24
57 #define EHCI_INSNREG05_ULPI_OPSEL_SHIFT			22
58 #define EHCI_INSNREG05_ULPI_REGADD_SHIFT		16
59 
60 #define OMAP_REV1_TLL_CHANNEL_COUNT			3
61 #define OMAP_REV2_TLL_CHANNEL_COUNT			2
62 
63 /* TLL Register Set */
64 #define OMAP_TLL_CHANNEL_CONF(num)			(0x004 * num)
65 #define OMAP_TLL_CHANNEL_CONF_DRVVBUS			(1 << 16)
66 #define OMAP_TLL_CHANNEL_CONF_CHRGVBUS			(1 << 15)
67 #define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF		(1 << 11)
68 #define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI	(2 << 1)
69 #define OMAP_TLL_CHANNEL_CONF_CHANEN			1
70 
71 struct omap_usbhs_board_data {
72 	enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS];
73 };
74 
75 struct omap_usbtll {
76 	u32 rev;		/* 0x00 */
77 	u32 hwinfo;		/* 0x04 */
78 	u8 reserved1[0x8];
79 	u32 sysc;		/* 0x10 */
80 	u32 syss;		/* 0x14 */
81 	u32 irqst;		/* 0x18 */
82 	u32 irqen;		/* 0x1c */
83 	u8 reserved2[0x10];
84 	u32 shared_conf;	/* 0x30 */
85 	u8 reserved3[0xc];
86 	u32 channel_conf;	/* 0x40 */
87 };
88 
89 struct omap_uhh {
90 	u32 rev;	/* 0x00 */
91 	u32 hwinfo;	/* 0x04 */
92 	u8 reserved1[0x8];
93 	u32 sysc;	/* 0x10 */
94 	u32 syss;	/* 0x14 */
95 	u8 reserved2[0x28];
96 	u32 hostconfig;	/* 0x40 */
97 	u32 debugcsr;	/* 0x44 */
98 };
99 
100 struct omap_ehci {
101 	u32 hccapbase;		/* 0x00 */
102 	u32 hcsparams;		/* 0x04 */
103 	u32 hccparams;		/* 0x08 */
104 	u8 reserved1[0x04];
105 	u32 usbcmd;		/* 0x10 */
106 	u32 usbsts;		/* 0x14 */
107 	u32 usbintr;		/* 0x18 */
108 	u32 frindex;		/* 0x1c */
109 	u32 ctrldssegment;	/* 0x20 */
110 	u32 periodiclistbase;	/* 0x24 */
111 	u32 asysnclistaddr;	/* 0x28 */
112 	u8 reserved2[0x24];
113 	u32 configflag;		/* 0x50 */
114 	u32 portsc_i;		/* 0x54 */
115 	u8 reserved3[0x38];
116 	u32 insreg00;		/* 0x90 */
117 	u32 insreg01;		/* 0x94 */
118 	u32 insreg02;		/* 0x98 */
119 	u32 insreg03;		/* 0x9c */
120 	u32 insreg04;		/* 0xa0 */
121 	u32 insreg05_utmi_ulpi;	/* 0xa4 */
122 	u32 insreg06;		/* 0xa8 */
123 	u32 insreg07;		/* 0xac */
124 	u32 insreg08;		/* 0xb0 */
125 };
126 
127 /*
128  * FIXME: forward declaration of this structs needed because omap got the
129  * ehci implementation backwards. move out ehci_hcd_x from board files
130  */
131 struct ehci_hccr;
132 struct ehci_hcor;
133 
134 int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata,
135 		       struct ehci_hccr **hccr, struct ehci_hcor **hcor);
136 int omap_ehci_hcd_stop(void);
137 
138 #endif /* _OMAP_COMMON_EHCI_H_ */
139