mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/**
|
|
* 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
|