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/* $OpenBSD: iofreg.h,v 1.1 2009/08/18 19:34:17 miod Exp $ */
/*
* Copyright (c) 2009 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Register definitions for SGI IOC4 ASIC.
*/
#define IOC4_NDEVS 7
#define IOC4DEV_SERIAL_A 0
#define IOC4DEV_SERIAL_B 1
#define IOC4DEV_SERIAL_C 3
#define IOC4DEV_SERIAL_D 4
#define IOC4DEV_KBC 5
#define IOC4DEV_ATAPI 6
#define IOC4_SIO_IR 0x00000008
#define IOC4_OTHER_IR 0x0000000c
#define IOC4_SIO_IES 0x00000010
#define IOC4_OTHER_IES 0x00000014
#define IOC4_SIO_IEC 0x00000018
#define IOC4_OTHER_IEC 0x0000001c
#define IOC4_SIO_CR 0x00000020
#define IOC4_MCR 0x00000024
/* bits in the SIO interrupt register */
#define IOC4_SIRQ_UARTA 0x00000040 /* UART A passthrough */
#define IOC4_SIRQ_UARTB 0x00004000 /* UART B passthrough */
#define IOC4_SIRQ_UARTC 0x00400000 /* UART C passthrough */
#define IOC4_SIRQ_UARTD 0x40000000 /* UART D passthrough */
/* bits in the OTHER interrupt register */
#define IOC4_OIRQ_ATAPI 0x00000001 /* ATAPI passthrough */
#define IOC4_OIRQ_KBC 0x00000040 /* keyboard controller */
#define IOC4_ATAPI_BASE 0x00000100
#define IOC4_ATAPI_SIZE 0x00000100
#define IOC4_KBC_BASE 0x00000200
#define IOC4_KBC_SIZE 0x00000014
#define IOC4_UARTA_BASE 0x00000380
#define IOC4_UARTB_BASE 0x00000388
#define IOC4_UARTC_BASE 0x00000390
#define IOC4_UARTD_BASE 0x00000398
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