2 * This file is part of the libpayload project.
4 * Copyright (C) 2010 coresystems GmbH
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #ifndef __EHCI_PRIVATE_H
31 #define __EHCI_PRIVATE_H
38 #define FLADJ_framelength(x) (((x)-59488)/16)
40 typedef volatile u32 portsc_t;
41 #define P_CURR_CONN_STATUS (1 << 0)
42 #define P_CONN_STATUS_CHANGE (1 << 1)
43 #define P_PORT_ENABLE (1 << 2)
44 #define P_PORT_RESET (1 << 8)
45 #define P_LINE_STATUS (3 << 10)
46 #define P_LINE_STATUS_LOWSPEED (1 << 10)
47 #define P_PP (1 << 12)
48 #define P_PORT_OWNER (1 << 13)
50 typedef volatile struct {
51 #define HCS_NPORTS_MASK 0xf
58 } __attribute__ ((packed)) hc_cap_t;
60 typedef volatile struct {
63 #define HC_OP_ASYNC_SCHED_EN_SHIFT 5
64 #define HC_OP_ASYNC_SCHED_EN (1 << HC_OP_ASYNC_SCHED_EN_SHIFT)
66 #define HC_OP_ASYNC_SCHED_STAT_SHIFT 15
67 #define HC_OP_ASYNC_SCHED_STAT (1 << HC_OP_ASYNC_SCHED_STAT_SHIFT)
78 typedef volatile struct {
79 #define QTD_TERMINATE 1
83 #define QTD_STATUS_MASK 0xff
84 #define QTD_HALTED (1 << 6)
85 #define QTD_ACTIVE (1 << 7)
86 #define QTD_PID_SHIFT 8
87 #define QTD_PID_MASK (3 << QTD_PID_SHIFT)
88 #define QTD_CERR_SHIFT 10
89 #define QTD_CERR_MASK (3 << QTD_CERR_SHIFT)
90 #define QTD_CPAGE_SHIFT 12
91 #define QTD_CPAGE_MASK (7 << QTD_CPAGE_SHIFT)
92 #define QTD_TOTAL_LEN_SHIFT 16
93 #define QTD_TOTAL_LEN_MASK (((1<<15)-1) << QTD_TOTAL_LEN_SHIFT)
94 #define QTD_TOGGLE_SHIFT 31
95 #define QTD_TOGGLE_MASK (1 << 31)
96 #define QTD_TOGGLE_DATA0 0
97 #define QTD_TOGGLE_DATA1 (1 << QTD_TOGGLE_SHIFT)
100 } __attribute__ ((packed)) qtd_t;
102 typedef volatile struct {
104 #define QH_TERMINATE 1
105 #define QH_iTD (0<<1)
107 #define QH_siTD (2<<1)
108 #define QH_FSTN (3<<1)
110 #define QH_EP_SHIFT 8
111 #define QH_EPS_SHIFT 12
112 #define QH_DTC_SHIFT 14
113 #define QH_RECLAIM_HEAD_SHIFT 15
114 #define QH_MPS_SHIFT 16
115 #define QH_NON_HS_CTRL_EP_SHIFT 27
116 #define QH_NAK_CNT_SHIFT 28
118 #define QH_PIPE_MULTIPLIER_SHIFT 30
119 volatile u32 current_td_ptr;
123 typedef struct ehci {
124 hc_cap_t *capabilities;
129 #define EHCI_INST(controller) ((ehci_t*)((controller)->instance))