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/*
* Copyright 2000,2001
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions as
* they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. Neither the "Broadcom
* Corporation" name nor any trademark or logo of Broadcom
* Corporation may be used to endorse or promote products
* derived from this software without the prior written
* permission of Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LDTREG_H_
#define _LDTREG_H_
/*
* LDT capability register definitions and macros.
* Derived from Revison 0.17 of the LDT (now HyperTransport)
* Specification with some 1.02/1.03 features.
*
* Note: Register and field definitions assume 32-bit register accesses.
*/
/*
* LDT Capability registers (identified by offsets within the capability)
*/
/*
* Command Register; contains command and capability fields.
*/
#define LDT_COMMAND_CAP_OFF 0x00
#define LDT_CAP_ID_MASK 0x000000ff
#define LDT_CAP_ID_SHIFT 0
#define LDT_CAP_PTR_MASK 0x0000ff00
#define LDT_CAP_PTR_SHIFT 8
#define LDT_COMMAND_MASK 0xffff0000
#define LDT_COMMAND_SHIFT 16
#define LDT_COMMAND(cmd) \
(((cmd) & LDT_COMMAND_MASK) >> LDT_COMMAND_SHIFT)
#define LDT_COMMAND_TYPE_MASK 0xe0000000
#define LDT_COMMAND_TYPE_SHIFT (16+13)
#define LDT_COMMAND_TYPE(cmd) \
(((cmd) & LDT_COMMAND_TYPE_MASK) >> LDT_COMMAND_TYPE_SHIFT)
#define LDT_COMMAND_TYPE_SLAVE 0x0
#define LDT_COMMAND_TYPE_HOST 0x1
#define LDT_COMMAND_TYPE_IDC 0x4
#define LDT_COMMAND_TYPE_AMAP 0x5
/* Following for 1.0x only */
#define LDT_COMMAND_DROP_ON_INIT 0x10000000
/*
* An LDT capability for type Slave (aka Primary, aka "tunnel") consists
* of a Command register, two Link registers, and two Freq/Rev registers.
*/
/* Slave/Primary commands */
#define LDT_COMMAND_UNIT_ID_MASK 0x001f0000
#define LDT_COMMAND_UNIT_ID_SHIFT (16+0)
#define LDT_COMMAND_UNIT_ID(cmd) \
(((cmd) & LDT_COMMAND_UNIT_ID_MASK) >> LDT_COMMAND_UNIT_ID_SHIFT)
#define LDT_COMMAND_UNIT_COUNT_MASK 0x03e00000
#define LDT_COMMAND_UNIT_COUNT_SHIFT (16+5)
#define LDT_COMMAND_UNIT_COUNT(cmd) \
(((cmd) & LDT_COMMAND_UNIT_COUNT_MASK) >> LDT_COMMAND_UNIT_COUNT_SHIFT)
#define LDT_COMMAND_MASTER_HOST_MASK 0x04000000
#define LDT_COMMAND_MASTER_HOST(cmd) \
(((cmd) & LDT_COMMAND_MASTER_HOST_MASK) ? 1 : 0)
#define LDT_COMMAND_DEFAULT_DIRECTION_MASK 0x08000000
#define LDT_COMMAND_DEFAULT_DIRECTION(cmd) \
(((cmd) & LDT_COMMAND_DEFAULT_DIRECTION_MASK) ? 1 : 0)
/*
* An LDT capability for type Host (aka Secondary) consists of a
* Command register, a single Link register, and a Freq/Rev register.
*/
/* Host/Secondary command fields */
#define LDT_COMMAND_WARM_RESET 0x00010000
#define LDT_COMMAND_DOUBLE_ENDED 0x00020000
#define LDT_COMMAND_DEVICE_NUMBER_MASK 0x007c0000
#define LDT_COMMAND_DEVICE_NUMBER_SHIFT (16+2)
/* Following for 1.0x only */
#define LDT_COMMAND_CHAIN_SIDE 0x00800000
#define LDT_COMMAND_HOST_HIDE 0x01000000
#define LDT_COMMAND_ACT_AS_SLAVE 0x02000000
#define LDT_COMMAND_INBOUND_EOC_ERROR 0x04000000
/*
* Link Register; contains control and config fields.
*/
#define LDT_LINK_OFF(n) (0x04 + ((n)<<2))
#define LDT_LINKCTRL_MASK 0x0000ffff
#define LDT_LINKCTRL_SHIFT 0
#define LDT_LINKCTRL(cr) \
(((cr) & LDT_LINKCTRL_MASK) >> LDT_LINKCTRL_SHIFT)
#define LDT_LINKCTRL_CFLE 0x00000002
#define LDT_LINKCTRL_CST 0x00000004
#define LDT_LINKCTRL_CFE 0x00000008
#define LDT_LINKCTRL_LINKFAIL 0x00000010
#define LDT_LINKCTRL_INITDONE 0x00000020
#define LDT_LINKCTRL_EOC 0x00000040
#define LDT_LINKCTRL_TXOFF 0x00000080
#define LDT_LINKCTRL_CRCERROR_MASK 0x00000f00
#define LDT_LINKCTRL_CRCERROR_SHIFT 8
#define LDT_LINKCTRL_ISOCEN 0x00001000
#define LDT_LINKCTRL_LSEN 0x00002000
/* Following for 1.0x only */
#define LDT_LINKCTRL_EXTCTL 0x00004000
#define LDT_LINKCFG_MASK 0xffff0000
#define LDT_LINKCFG_SHIFT 16
#define LDT_LINKCFG(cr) \
(((cr) & LDT_LINKCFG_MASK) >> LDT_LINKCFG_SHIFT)
#define LDT_LINKCFG_MAX_WIDTH_IN(cr) \
(((cr) >> (16+0)) & 0xf)
#define LDT_LINKCFG_MAX_WIDTH_OUT(cr) \
(((cr) >> (16+4)) & 0xf)
#define LDT_LINKCFG_WIDTH_IN(cr) \
(((cr) >> (16+8)) & 0xf)
#define LDT_LINKCFG_WIDTH_OUT(cr) \
(((cr) >> (16+12)) & 0xf)
/*
* Link Frequency Register; contains version and frequency fields.
*/
#define LDT_LINKFREQ_CAP(cr) \
(((cr) >> 16) & 0xffff)
#define LDT_LINKFREQ_MASK 0x00000f00
#define LDT_LINKFREQ_SHIFT 8
#define LDT_LINKFREQ(cr) \
(((cr) >> 8) & 0x0f)
#define LDT_REVISION_ID(cr) \
(((cr) >> 0) & 0xff)
#define LDT_REV_017 0x11
#define LDT_REV_102 0x22
/* Slave/Primary offsets */
#define LDT_FREQ0_OFF 0x0c
#define LDT_FREQ1_OFF 0x10
#define LDT_FREQn_OFF(n) (0x0c + ((n)<<2))
/* Host/Secondary offsets */
#define LDT_FREQ_OFF 0x08
#define LDT_FREQ_200 0x00
#define LDT_FREQ_300 0x01
#define LDT_FREQ_400 0x02
#define LDT_FREQ_500 0x03
#define LDT_FREQ_600 0x04
#define LDT_FREQ_800 0x05
#define LDT_FREQ_1000 0x06
#endif /* _LDTREG_H_ */
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