LXR uboot/board/sc3/sc3.h

   1/*
   2 * (C) Copyright 2000
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  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, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24/**
  25 * hcWriteWord - write a 16 bit value into the USB controller
  26 * @base: base address to access the chip registers
  27 * @value: 16 bit value to write into register @offset
  28 * @offset: register to write the @value into
  29 *
  30 */
  31static void inline hcWriteWord (unsigned long base, unsigned int value,
  32                                unsigned int offset)
  33{
  34        out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  35        out_le16 ((volatile u16*)base, value);
  36}
  37
  38/**
  39 * hcWriteDWord - write a 32 bit value into the USB controller
  40 * @base: base address to access the chip registers
  41 * @value: 32 bit value to write into register @offset
  42 * @offset: register to write the @value into
  43 *
  44 */
  45
  46static void inline hcWriteDWord (unsigned long base, unsigned long value,
  47                                unsigned int offset)
  48{
  49        out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  50        out_le16 ((volatile u16*)base, value);
  51        out_le16 ((volatile u16*)base, value >> 16);
  52}
  53
  54/**
  55 * hcReadWord - read a 16 bit value from the USB controller
  56 * @base: base address to access the chip registers
  57 * @offset: register to read from
  58 *
  59 * Returns the readed register value
  60 */
  61
  62static unsigned int inline hcReadWord (unsigned long base, unsigned int offset)
  63{
  64        out_le16 ((volatile u16*)(base + 2), offset);
  65        return (in_le16 ((volatile u16*)base));
  66}
  67
  68/**
  69 * hcReadDWord - read a 32 bit value from the USB controller
  70 * @base: base address to access the chip registers
  71 * @offset: register to read from
  72 *
  73 * Returns the readed register value
  74 */
  75
  76static unsigned long inline hcReadDWord (unsigned long base, unsigned int offset)
  77{
  78        unsigned long val, val16;
  79
  80        out_le16 ((volatile u16*)(base + 2), offset);
  81        val = in_le16((volatile u16*)base);
  82        val16 = in_le16((volatile u16*)base);
  83        return (val | (val16 << 16));
  84}
  85
  86/* control and status registers isp1161 */
  87#define HcRevision              0x00
  88#define HcControl               0x01
  89#define HcCommandStatus         0x02
  90#define HcInterruptStatus       0x03
  91#define HcInterruptEnable       0x04
  92#define HcInterruptDisable      0x05
  93#define HcFmInterval            0x0D
  94#define HcFmRemaining           0x0E
  95#define HcFmNumber              0x0F
  96#define HcLSThreshold           0x11
  97#define HcRhDescriptorA         0x12
  98#define HcRhDescriptorB         0x13
  99#define HcRhStatus              0x14
 100#define HcRhPortStatus1         0x15
 101#define HcRhPortStatus2         0x16
 102
 103#define HcHardwareConfiguration 0x20
 104#define HcDMAConfiguration      0x21
 105#define HcTransferCounter       0x22
 106#define HcuPInterrupt           0x24
 107#define HcuPInterruptEnable     0x25
 108#define HcChipID                0x27
 109#define HcScratch               0x28
 110#define HcSoftwareReset         0x29
 111#define HcITLBufferLength       0x2A
 112#define HcATLBufferLength       0x2B
 113#define HcBufferStatus          0x2C
 114#define HcReadBackITL0Length    0x2D
 115#define HcReadBackITL1Length    0x2E
 116#define HcITLBufferPort         0x40
 117#define HcATLBufferPort         0x41
 118