1/* 2 * eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 7 * 2 of the License, or (at your option) any later version. 8 * 9 * Copyright (c) 2001, 2002 Daniel Engstrom <5116@telia.com> 10 * 11 */ 12 13#ifndef ASM_EISA_EEPROM_H 14#define ASM_EISA_EEPROM_H 15 16#define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */ 17 18#define HPEE_SLOT_INFO(slot) (20+(48*slot)) 19 20struct eeprom_header 21{ 22 23 u_int32_t num_writes; /* number of writes */ 24 u_int8_t flags; /* flags, usage? */ 25 u_int8_t ver_maj; 26 u_int8_t ver_min; 27 u_int8_t num_slots; /* number of EISA slots in system */ 28 u_int16_t csum; /* checksum, I dont know how to calulate this */ 29 u_int8_t pad[10]; 30} __attribute__ ((packed)); 31 32 33struct eeprom_eisa_slot_info 34{ 35 u_int32_t eisa_slot_id; 36 u_int32_t config_data_offset; 37 u_int32_t num_writes; 38 u_int16_t csum; 39 u_int16_t num_functions; 40 u_int16_t config_data_length; 41 42 /* bits 0..3 are the duplicate slot id */ 43#define HPEE_SLOT_INFO_EMBEDDED 0x10 44#define HPEE_SLOT_INFO_VIRTUAL 0x20 45#define HPEE_SLOT_INFO_NO_READID 0x40 46#define HPEE_SLOT_INFO_DUPLICATE 0x80 47 u_int8_t slot_info; 48 49#define HPEE_SLOT_FEATURES_ENABLE 0x01 50#define HPEE_SLOT_FEATURES_IOCHK 0x02 51#define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80 52 u_int8_t slot_features; 53 54 u_int8_t ver_min; 55 u_int8_t ver_maj; 56 57#define HPEE_FUNCTION_INFO_HAVE_TYPE 0x01 58#define HPEE_FUNCTION_INFO_HAVE_MEMORY 0x02 59#define HPEE_FUNCTION_INFO_HAVE_IRQ 0x04 60#define HPEE_FUNCTION_INFO_HAVE_DMA 0x08 61#define HPEE_FUNCTION_INFO_HAVE_PORT 0x10 62#define HPEE_FUNCTION_INFO_HAVE_PORT_INIT 0x20 63/* I think there are two slighty different 64 * versions of the function_info field 65 * one int the fixed header and one optional 66 * in the parsed slot data area */ 67#define HPEE_FUNCTION_INFO_HAVE_FUNCTION 0x01 68#define HPEE_FUNCTION_INFO_F_DISABLED 0x80 69#define HPEE_FUNCTION_INFO_CFG_FREE_FORM 0x40 70 u_int8_t function_info; 71 72#define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */ 73 u_int8_t flags; 74 u_int8_t pad[24]; 75} __attribute__ ((packed)); 76 77 78#define HPEE_MEMORY_MAX_ENT 9 79/* memory descriptor: byte 0 */ 80#define HPEE_MEMORY_WRITABLE 0x01 81#define HPEE_MEMORY_CACHABLE 0x02 82#define HPEE_MEMORY_TYPE_MASK 0x18 83#define HPEE_MEMORY_TYPE_SYS 0x00 84#define HPEE_MEMORY_TYPE_EXP 0x08 85#define HPEE_MEMORY_TYPE_VIR 0x10 86#define HPEE_MEMORY_TYPE_OTH 0x18 87#define HPEE_MEMORY_SHARED 0x20 88#define HPEE_MEMORY_MORE 0x80 89 90/* memory descriptor: byte 1 */ 91#define HPEE_MEMORY_WIDTH_MASK 0x03 92#define HPEE_MEMORY_WIDTH_BYTE 0x00 93#define HPEE_MEMORY_WIDTH_WORD 0x01 94#define HPEE_MEMORY_WIDTH_DWORD 0x02 95#define HPEE_MEMORY_DECODE_MASK 0x0c 96#define HPEE_MEMORY_DECODE_20BITS 0x00 97#define HPEE_MEMORY_DECODE_24BITS 0x04 98#define HPEE_MEMORY_DECODE_32BITS 0x08 99/* byte 2 and 3 are a 16bit LE value 100 * containging the memory size in kilobytes */ 101/* byte 4,5,6 are a 24bit LE value 102 * containing the memory base address */ 103 104 105#define HPEE_IRQ_MAX_ENT 7 106/* Interrupt entry: byte 0 */ 107#define HPEE_IRQ_CHANNEL_MASK 0xf 108#define HPEE_IRQ_TRIG_LEVEL 0x20 109#define HPEE_IRQ_MORE 0x80 110/* byte 1 seems to be unused */ 111 112#define HPEE_DMA_MAX_ENT 4 113 114/* dma entry: byte 0 */ 115#define HPEE_DMA_CHANNEL_MASK 7 116#define HPEE_DMA_SIZE_MASK 0xc 117#define HPEE_DMA_SIZE_BYTE 0x0 118#define HPEE_DMA_SIZE_WORD 0x4 119#define HPEE_DMA_SIZE_DWORD 0x8 120#define HPEE_DMA_SHARED 0x40 121#define HPEE_DMA_MORE 0x80 122 123/* dma entry: byte 1 */ 124#define HPEE_DMA_TIMING_MASK 0x30 125#define HPEE_DMA_TIMING_ISA 0x0 126#define HPEE_DMA_TIMING_TYPEA 0x10 127#define HPEE_DMA_TIMING_TYPEB 0x20 128#define HPEE_DMA_TIMING_TYPEC 0x30 129 130#define HPEE_PORT_MAX_ENT 20 131/* port entry byte 0 */ 132#define HPEE_PORT_SIZE_MASK 0x1f 133#define HPEE_PORT_SHARED 0x40 134#define HPEE_PORT_MORE 0x80 135/* byte 1 and 2 is a 16bit LE value 136 * conating the start port number */ 137 138#define HPEE_PORT_INIT_MAX_LEN 60 /* in bytes here */ 139/* port init entry byte 0 */ 140#define HPEE_PORT_INIT_WIDTH_MASK 0x3 141#define HPEE_PORT_INIT_WIDTH_BYTE 0x0 142#define HPEE_PORT_INIT_WIDTH_WORD 0x1 143#define HPEE_PORT_INIT_WIDTH_DWORD 0x2 144#define HPEE_PORT_INIT_MASK 0x4 145#define HPEE_PORT_INIT_MORE 0x80 146 147#define HPEE_SELECTION_MAX_ENT 26 148 149#define HPEE_TYPE_MAX_LEN 80 150 151#endif 152