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/* @(#)lcb29k.h	5.18 93/07/30 16:39:53, Srini, AMD. */
/******************************************************************************
 * Copyright 1992 Advanced Micro Devices, Inc.
 *
 * This software is the property of Advanced Micro Devices, Inc  (AMD)  which
 * specifically  grants the user the right to modify, use and distribute this
 * software provided this notice is not removed or altered.  All other rights
 * are reserved by AMD.
 *
 * AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS
 * SOFTWARE.  IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL
 * DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR
 * USE OF THIS SOFTWARE.
 *
 * So that all may benefit from your experience, please report  any  problems
 * or  suggestions about this software to the 29K Technical Support Center at
 * 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131  in  the  UK,  or
 * 0031-11-1129 in Japan, toll free.  The direct dial number is 512-462-4118.
 *
 * Advanced Micro Devices, Inc.
 * 29K Systems Engineering
 * Mail Stop 573
 * 5204 E. Ben White Blvd.
 * Austin, TX 78741
 * 800-292-9263
 * 29k-support@AMD.COM
 *****************************************************************************
 * Engineer: Srini Subramanian.
 ****************************************************************************
 **       This file defines values used in accessing the LCB29K (Low
 **       Cost Board 29K) or "squirt" board from YARC.
 ****************************************************************************
 */
 
/* Control Port Register (PC_port_base+0) */
#define LCB29K_RST         0x80     /* 0=Reset, 1=Run */
#define LCB29K_CLRINPC     0x40     /* Clear PC Interrupt (write only) */
#define LCB29K_INTEN       0x20     /* Enable interrupts */
#define LCB29K_WEN         0x10     /* Window Enable */
#define LCB29K_INT29       0x08     /* Interrupt 29000 (write only) */
#define LCB29K_INTPC       0x08     /* Interrupt PC (write only) */
#define LCB29K_FLAG        0x04     /* Flag */
#define LCB29K_COPDIN      0x02     /* EEPROM Data in */
#define LCB29K_COPSK       0x01     /* EEPROM Clock in */
 
 
/* Address Register (PC_port_base+2) */
#define LCB29K_I_MEM       0x00     /* Set window to Instruction Memory */
#define LCB29K_D_MEM       0x80     /* Set window to Data Memory */
 
/*
** Shared memory definitions
*/
 
/*
** The "anchors" defined below represent addresses in the Am29000
** data memory space.  At these addresses are pointers to shared
** memory buffers.
*/
 
#define LCB29K_RECV_BUF_PTR    0x80000400  /* Host receive buffer pointer */
 
#define LCB29K_SEND_BUF        0x80000404  /* Host send buffer */