1*03831d35Sstevel /* 2*03831d35Sstevel * CDDL HEADER START 3*03831d35Sstevel * 4*03831d35Sstevel * The contents of this file are subject to the terms of the 5*03831d35Sstevel * Common Development and Distribution License (the "License"). 6*03831d35Sstevel * You may not use this file except in compliance with the License. 7*03831d35Sstevel * 8*03831d35Sstevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*03831d35Sstevel * or http://www.opensolaris.org/os/licensing. 10*03831d35Sstevel * See the License for the specific language governing permissions 11*03831d35Sstevel * and limitations under the License. 12*03831d35Sstevel * 13*03831d35Sstevel * When distributing Covered Code, include this CDDL HEADER in each 14*03831d35Sstevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*03831d35Sstevel * If applicable, add the following below this CDDL HEADER, with the 16*03831d35Sstevel * fields enclosed by brackets "[]" replaced with your own identifying 17*03831d35Sstevel * information: Portions Copyright [yyyy] [name of copyright owner] 18*03831d35Sstevel * 19*03831d35Sstevel * CDDL HEADER END 20*03831d35Sstevel */ 21*03831d35Sstevel 22*03831d35Sstevel /* 23*03831d35Sstevel * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*03831d35Sstevel * Use is subject to license terms. 25*03831d35Sstevel */ 26*03831d35Sstevel 27*03831d35Sstevel #ifndef _SYS_SGSBBC_IOSRAM_H 28*03831d35Sstevel #define _SYS_SGSBBC_IOSRAM_H 29*03831d35Sstevel 30*03831d35Sstevel #pragma ident "%Z%%M% %I% %E% SMI" 31*03831d35Sstevel 32*03831d35Sstevel #ifdef __cplusplus 33*03831d35Sstevel extern "C" { 34*03831d35Sstevel #endif 35*03831d35Sstevel 36*03831d35Sstevel #include <sys/types.h> 37*03831d35Sstevel #include <sys/errno.h> 38*03831d35Sstevel #include <sys/sgsbbc.h> 39*03831d35Sstevel 40*03831d35Sstevel /* 41*03831d35Sstevel * IOSRAM TOC as laid out for the OS by the SC/POST 42*03831d35Sstevel * 43*03831d35Sstevel * NB Any changes in the way POST/SC lays out the SRAM 44*03831d35Sstevel * must be reflected here. 45*03831d35Sstevel */ 46*03831d35Sstevel #define SBBC_MAX_KEYS 32 47*03831d35Sstevel 48*03831d35Sstevel #define SBBC_CONSOLE_KEY 1 /* Solaris Console Buffer */ 49*03831d35Sstevel #define SBBC_TOD_KEY 2 /* Solaris TOD struct */ 50*03831d35Sstevel #define SBBC_INTR_SC_KEY 3 /* Solaris -> SC Interrupts reason */ 51*03831d35Sstevel #define SBBC_SC_INTR_KEY 4 /* SC -> Solaris Interrupts reason */ 52*03831d35Sstevel #define SBBC_DOMAIN_KEY 5 /* Domain state */ 53*03831d35Sstevel #define SBBC_KEYSWITCH_KEY 6 /* Keyswitch */ 54*03831d35Sstevel #define SBBC_MAILBOX_KEY 7 /* Solaris<->SC Mailbox */ 55*03831d35Sstevel #define SBBC_ENVCTRL_KEY 8 /* environmental data */ 56*03831d35Sstevel #define SBBC_SC_INTR_ENABLED_KEY 9 /* SC -> Solaris Interrupts */ 57*03831d35Sstevel #define SBBC_INTR_SC_ENABLED_KEY 10 /* Solaris -> SC Interrupts */ 58*03831d35Sstevel #define SBBC_SIGBLCK_KEY 11 /* Signature block */ 59*03831d35Sstevel 60*03831d35Sstevel /* 61*03831d35Sstevel * size of the IOSRAM key 62*03831d35Sstevel */ 63*03831d35Sstevel #define KEY_SIZE 8 64*03831d35Sstevel #define MAGIC_SIZE 8 65*03831d35Sstevel 66*03831d35Sstevel typedef struct iosram_key { 67*03831d35Sstevel char key[KEY_SIZE]; /* Key value as defined above */ 68*03831d35Sstevel uint32_t size; /* length of this SRAM chunk */ 69*03831d35Sstevel uint32_t offset; /* Offset from base of SRAM */ 70*03831d35Sstevel } iosram_key_t; 71*03831d35Sstevel 72*03831d35Sstevel struct iosram_toc { 73*03831d35Sstevel char iosram_magic[MAGIC_SIZE]; /* magic: TOCSRAM */ 74*03831d35Sstevel uint8_t resvd; /* reserved */ 75*03831d35Sstevel /* sram type: cpu, local io, global io, etc */ 76*03831d35Sstevel uint8_t iosram_type; 77*03831d35Sstevel uint16_t iosram_version; /* structure version */ 78*03831d35Sstevel uint32_t iosram_tagno; /* # of tags used */ 79*03831d35Sstevel iosram_key_t iosram_keys[SBBC_MAX_KEYS]; 80*03831d35Sstevel }; 81*03831d35Sstevel 82*03831d35Sstevel 83*03831d35Sstevel /* 84*03831d35Sstevel * interrupt related routines 85*03831d35Sstevel */ 86*03831d35Sstevel extern int iosram_reg_intr(uint32_t, sbbc_intrfunc_t, caddr_t, 87*03831d35Sstevel uint_t *, kmutex_t *); 88*03831d35Sstevel extern int iosram_unreg_intr(uint32_t); 89*03831d35Sstevel extern int iosram_send_intr(uint32_t); 90*03831d35Sstevel 91*03831d35Sstevel /* 92*03831d35Sstevel * IOSRAM read write routines 93*03831d35Sstevel */ 94*03831d35Sstevel extern int iosram_read(int, uint32_t, caddr_t, uint32_t); 95*03831d35Sstevel extern int iosram_write(int, uint32_t, caddr_t, uint32_t); 96*03831d35Sstevel 97*03831d35Sstevel /* 98*03831d35Sstevel * Misc routines 99*03831d35Sstevel */ 100*03831d35Sstevel extern int iosram_size(int); 101*03831d35Sstevel 102*03831d35Sstevel /* cached chosen node_id */ 103*03831d35Sstevel extern pnode_t chosen_nodeid; 104*03831d35Sstevel 105*03831d35Sstevel #ifdef __cplusplus 106*03831d35Sstevel } 107*03831d35Sstevel #endif 108*03831d35Sstevel 109*03831d35Sstevel #endif /* _SYS_SGSBBC_IOSRAM_H */ 110