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/*++ BUILD Version: 0005 // Increment this if a change has global effects
Copyright (c) 1990 Microsoft Corporation
Module Name:
jazzdef.h
Abstract:
This module is the header file that describes hardware addresses
for the Jazz system.
Author:
David N. Cutler (davec) 26-Nov-1990
Revision History:
--*/
#ifndef _DTIDEF_
#define _DTIDEF_
#define MACHINE_TYPE_ISA 0
#define MACHINE_TYPE_EISA 1
//
// The MAXIMUM_MAP_BUFFER_SIZE defines the maximum map buffers which the system
// will allocate for devices which require phyically contigous buffers.
//
//#define MAXIMUM_MAP_BUFFER_SIZE 0x40000
#define MAXIMUM_MAP_BUFFER_SIZE 0x80000
//
// Define the initial buffer allocation size for a map buffers for systems with
// no memory which has a physical address greater than MAXIMUM_PHYSICAL_ADDRESS.
//
//#define INITIAL_MAP_BUFFER_SMALL_SIZE 0x10000
#define INITIAL_MAP_BUFFER_SMALL_SIZE 0x80000
//
// Define the initial buffer allocation size for a map buffers for systems with
// no memory which has a physical address greater than MAXIMUM_PHYSICAL_ADDRESS.
//
//#define INITIAL_MAP_BUFFER_LARGE_SIZE 0x30000
#define INITIAL_MAP_BUFFER_LARGE_SIZE 0x80000
//
// Define the incremental buffer allocation for a map buffers.
//
#define INCREMENT_MAP_BUFFER_SIZE 0x10000
//
// Define the maximum number of map registers that can be requested at one time
// if actual map registers are required for the transfer.
//
//#define MAXIMUM_ISA_MAP_REGISTER 16
#define MAXIMUM_ISA_MAP_REGISTER 64
//
// Define the maximum physical address which can be handled by an Isa card.
//
#define MAXIMUM_ISA_PHYSICAL_ADDRESS 0x01000000
#define MAXIMUM_PHYSICAL_ADDRESS 0x01000000
#define COPY_BUFFER 0xFFFFFFFF
#define NO_SCATTER_GATHER 0x00000001
//typedef volatile struct _OLD_TRANSLATION_ENTRY {
// ULONG PageFrame;
// ULONG Fill;
//} OLD_TRANSLATION_ENTRY, *POLD_TRANSLATION_ENTRY;
//
typedef volatile struct _TRANSLATION_ENTRY {
PVOID VirtualAddress;
ULONG PhysicalAddress;
ULONG Index;
} TRANSLATION_ENTRY, *PTRANSLATION_ENTRY;
//
// Define physical base addresses for system mapping.
//
#define EISA_CONTROL_PHYSICAL_BASE 0x10000000 // physical base of EISA control
#define EISA_MEMORY_PHYSICAL_BASE 0x00000000 // physical base of EISA memory
////
//// Define the size of the DMA translation table.
////
//#define DMA_TRANSLATION_LIMIT 0x100 // translation table limit
//
// Define EISA NMI interrupt level.
//
#define EISA_NMI_LEVEL 6
//
// Define the minimum and maximum system time increment values in 100ns units.
//
// N.B. these values are as close to exact values as possible given the input
// clock of 1.19318167 hz (14.31818 / 12)
//
#define MAXIMUM_INCREMENT (99968) // Time increment in 100ns units - Approx 10 ms
#define MINIMUM_INCREMENT (10032) // Time increment in 100ns units - Approx 1 ms
//
// Define clock constants and clock levels.
//
#define AT_BUS_OSC 14318180 // 14.31818 MHz Crystal
#define CLOCK_LEVEL 32 // Interval clock level
#if defined(R3000)
#define EISA_DEVICE_LEVEL 8 // EISA bus interrupt level
#endif
#if defined(R4000)
#define EISA_DEVICE_LEVEL 5 // EISA bus interrupt level
#endif
#define CLOCK2_LEVEL CLOCK_LEVEL //
//
// Define EISA device interrupt vectors.
//
#define EISA_VECTORS 32
#define MAXIMUM_EISA_VECTOR (15 + EISA_VECTORS) // maximum EISA vector
#endif // _DTIDEF_
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