/*      $NetBSD: empbreg.h,v 1.7 2020/07/07 03:38:45 thorpej Exp $ */

/*-
* Copyright (c) 2012, 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Radoslaw Kujawa.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY 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)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

/*
* Elbox Mediator registers. This information was obtained using reverse
* engineering methods by Frank Wille and Radoslaw Kujawa (without access to
* official documentation).
*/

#ifndef _AMIGA_EMPBREG_H_

/* Zorro IDs */
#define ZORRO_MANID_ELBOX       2206
#define ZORRO_PRODID_MEDZIV     31
#define ZORRO_PRODID_MED1K2     32
#define ZORRO_PRODID_MED4K      33
#define ZORRO_PRODID_MED1K2SX   40
#define ZORRO_PRODID_MED1K2LT2  48
#define ZORRO_PRODID_MED1K2LT4  49
#define ZORRO_PRODID_MED1K2TX   60
#define ZORRO_PRODID_MED4KMKII  63

#define ZORRO_PRODID_MEDZIV_MEM         ZORRO_PRODID_MEDZIV+0x80
#define ZORRO_PRODID_MED1K2_MEM         ZORRO_PRODID_MED1K2+0x80
#define ZORRO_PRODID_MED4K_MEM          ZORRO_PRODID_MED4K+0x80
#define ZORRO_PRODID_MED1K2SX_MEM       ZORRO_PRODID_MED1K2SX+0x80
#define ZORRO_PRODID_MED1K2LT2_MEM      ZORRO_PRODID_MED1K2LT2+0x80
#define ZORRO_PRODID_MED1K2LT4_MEM      ZORRO_PRODID_MED1K2LT4+0x80
#define ZORRO_PRODID_MED1K2TX_MEM       ZORRO_PRODID_MED1K2TX+0x80
#define ZORRO_PRODID_MED4KMKII_MEM      ZORRO_PRODID_MED4KMKII+0x80

/*
* Mediator 1200 consists of two boards. First board lives in Z2 I/O
* space and is internally divided into two 64kB spaces. Second board, used
* as a window into PCI memory space is configured somewhere within 24-bit Fast
* RAM space (its size depends on a WINDOW jumper setting).
*/
#define EMPB_SETUP_OFF          0x00000000
#define EMPB_SETUP_SIZE         0x30

#define EMPB_SETUP_WINDOW_OFF   0x2     /* set memory window position */
#define EMPB_SETUP_BRIDGE_OFF   0x7     /* select between conf or I/O */
#define EMPB_SETUP_INTR_OFF     0xB     /* interrupt setup */

#define BRIDGE_CONF             0xA0    /* switch into configuration space */
#define BRIDGE_IO               0x20    /* switch into I/O space */

#define EMPB_BRIDGE_OFF         0x00010000
#define EMPB_BRIDGE_SIZE        0xFFFF

#define EMPB_CONF_DEV_STRIDE    0x800   /* offset between PCI devices */
#define EMPB_CONF_FUNC_STRIDE   0x100   /* XXX: offset between PCI funcs */

#define EMPB_INTR_ENABLE        0xFF    /* enable all interrupts */

#define EMPB_WINDOW_SHIFT       0x10
#define EMPB_WINDOW_MASK_8M     0xFF80
#define EMPB_WINDOW_MASK_4M     0xFFC0

#define EMPB_MEM_BASE           0x80000000U
#define EMPB_MEM_END            0x9FFFFFFFU
#define EMPB_MEM_SIZE           ((EMPB_MEM_END - EMPB_MEM_BASE) + 1)

#define EMPB_PM_OFF             0x40    /* power management register */
#define EMPB_PM_PSU_SHUTDOWN    0x0

/* All PCI interrupt lines are wired to INT2. */
#define EMPB_INT                2

/*
* Elbox Mediator 4000.
*
* Similar design to Mediator 1200, consists of two Zorro III boards.
* First (with lower ID, 16MB) is used to access bridge setup, configuration
* and I/O spaces. The second board (256MB or 512MB) is a window into PCI
* memory space.
*/
#define EM4K_SETUP_OFF          0x0
#define EM4K_SETUP_SIZE         0x1F

#define EM4K_CONF_OFF           0x00800000
#define EM4K_CONF_SIZE          0x003FFFFF

#define EM4K_IO_OFF             0x00C00000
#define EM4K_IO_SIZE            0x000FFFFF

#define EM4K_SETUP_WINDOW_OFF   0x0     /* window position register */
#define EM4K_SETUP_INTR_OFF     0x4     /* interrupt setup */

#define EM4K_WINDOW_SHIFT       0x18
#define EM4K_WINDOW_MASK_512M   0xE0
#define EM4K_WINDOW_MASK_256M   0xF0

#endif /* _AMIGA_EMPBREG_H_ */

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