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/*
* (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
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