text: /*
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * See file CREDITS for list of people who contributed to this
   * project.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation; either version 2 of
   * the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   */
  
  /**
   * hcWriteWord - write a 16 bit value into the USB controller
   * @base: base address to access the chip registers
   * @value: 16 bit value to write into register @offset
   * @offset: register to write the @value into
   *
   */
  static void inline hcWriteWord (unsigned long base, unsigned int value,
  				unsigned int offset)
  {
  	out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  	out_le16 ((volatile u16*)base, value);
  }
  
  /**
   * hcWriteDWord - write a 32 bit value into the USB controller
   * @base: base address to access the chip registers
   * @value: 32 bit value to write into register @offset
   * @offset: register to write the @value into
   *
   */
  
  static void inline hcWriteDWord (unsigned long base, unsigned long value,
  				unsigned int offset)
  {
  	out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  	out_le16 ((volatile u16*)base, value);
  	out_le16 ((volatile u16*)base, value >> 16);
  }
  
  /**
   * hcReadWord - read a 16 bit value from the USB controller
   * @base: base address to access the chip registers
   * @offset: register to read from
   *
   * Returns the readed register value
   */
  
  static unsigned int inline hcReadWord (unsigned long base, unsigned int offset)
  {
  	out_le16 ((volatile u16*)(base + 2), offset);
  	return (in_le16 ((volatile u16*)base));
  }
  
  /**
   * hcReadDWord - read a 32 bit value from the USB controller
   * @base: base address to access the chip registers
   * @offset: register to read from
   *
   * Returns the readed register value
   */
  
  static unsigned long inline hcReadDWord (unsigned long base, unsigned int offset)
  {
  	unsigned long val, val16;
  
  	out_le16 ((volatile u16*)(base + 2), offset);
  	val = in_le16((volatile u16*)base);
  	val16 = in_le16((volatile u16*)base);
  	return (val | (val16 << 16));
  }
  
  /* control and status registers isp1161 */
  #define HcRevision		0x00
  #define HcControl		0x01
  #define HcCommandStatus		0x02
  #define HcInterruptStatus	0x03
  #define HcInterruptEnable	0x04
  #define HcInterruptDisable	0x05
  #define HcFmInterval		0x0D
  #define HcFmRemaining		0x0E
  #define HcFmNumber		0x0F
  #define HcLSThreshold		0x11
  #define HcRhDescriptorA		0x12
  #define HcRhDescriptorB		0x13
  #define HcRhStatus		0x14
  #define HcRhPortStatus1		0x15
  #define HcRhPortStatus2		0x16
  
  #define HcHardwareConfiguration 0x20
  #define HcDMAConfiguration	0x21
  #define HcTransferCounter	0x22
  #define HcuPInterrupt		0x24
  #define HcuPInterruptEnable	0x25
  #define HcChipID		0x27
  #define HcScratch		0x28
  #define HcSoftwareReset		0x29
  #define HcITLBufferLength	0x2A
  #define HcATLBufferLength	0x2B
  #define HcBufferStatus		0x2C
  #define HcReadBackITL0Length	0x2D
  #define HcReadBackITL1Length	0x2E
  #define HcITLBufferPort		0x40
  #define HcATLBufferPort		0x41
  