blob: 7178cd00c3e4357b16cb07bb4b66d8619ff8ef24 [file] [log] [blame]
Heiko Schocherca43ba12007-01-11 15:44:44 +01001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Heiko Schocherca43ba12007-01-11 15:44:44 +01006 */
7
8/**
9 * hcWriteWord - write a 16 bit value into the USB controller
10 * @base: base address to access the chip registers
11 * @value: 16 bit value to write into register @offset
12 * @offset: register to write the @value into
13 *
14 */
15static void inline hcWriteWord (unsigned long base, unsigned int value,
16 unsigned int offset)
17{
18 out_le16 ((volatile u16*)(base + 2), offset | 0x80);
19 out_le16 ((volatile u16*)base, value);
20}
21
22/**
23 * hcWriteDWord - write a 32 bit value into the USB controller
24 * @base: base address to access the chip registers
25 * @value: 32 bit value to write into register @offset
26 * @offset: register to write the @value into
27 *
28 */
29
30static void inline hcWriteDWord (unsigned long base, unsigned long value,
31 unsigned int offset)
32{
33 out_le16 ((volatile u16*)(base + 2), offset | 0x80);
34 out_le16 ((volatile u16*)base, value);
35 out_le16 ((volatile u16*)base, value >> 16);
36}
37
38/**
39 * hcReadWord - read a 16 bit value from the USB controller
40 * @base: base address to access the chip registers
41 * @offset: register to read from
42 *
43 * Returns the readed register value
44 */
45
46static unsigned int inline hcReadWord (unsigned long base, unsigned int offset)
47{
48 out_le16 ((volatile u16*)(base + 2), offset);
49 return (in_le16 ((volatile u16*)base));
50}
51
52/**
53 * hcReadDWord - read a 32 bit value from the USB controller
54 * @base: base address to access the chip registers
55 * @offset: register to read from
56 *
57 * Returns the readed register value
58 */
59
60static unsigned long inline hcReadDWord (unsigned long base, unsigned int offset)
61{
62 unsigned long val, val16;
63
64 out_le16 ((volatile u16*)(base + 2), offset);
65 val = in_le16((volatile u16*)base);
66 val16 = in_le16((volatile u16*)base);
67 return (val | (val16 << 16));
68}
69
70/* control and status registers isp1161 */
71#define HcRevision 0x00
Wolfgang Denk53677ef2008-05-20 16:00:29 +020072#define HcControl 0x01
Heiko Schocherca43ba12007-01-11 15:44:44 +010073#define HcCommandStatus 0x02
74#define HcInterruptStatus 0x03
75#define HcInterruptEnable 0x04
76#define HcInterruptDisable 0x05
77#define HcFmInterval 0x0D
78#define HcFmRemaining 0x0E
79#define HcFmNumber 0x0F
80#define HcLSThreshold 0x11
81#define HcRhDescriptorA 0x12
82#define HcRhDescriptorB 0x13
83#define HcRhStatus 0x14
84#define HcRhPortStatus1 0x15
85#define HcRhPortStatus2 0x16
86
87#define HcHardwareConfiguration 0x20
88#define HcDMAConfiguration 0x21
89#define HcTransferCounter 0x22
90#define HcuPInterrupt 0x24
91#define HcuPInterruptEnable 0x25
92#define HcChipID 0x27
93#define HcScratch 0x28
94#define HcSoftwareReset 0x29
95#define HcITLBufferLength 0x2A
96#define HcATLBufferLength 0x2B
97#define HcBufferStatus 0x2C
98#define HcReadBackITL0Length 0x2D
99#define HcReadBackITL1Length 0x2E
100#define HcITLBufferPort 0x40
101#define HcATLBufferPort 0x41