sbjcnvar.h revision 1.1
1 /* $NetBSD: sbjcnvar.h,v 1.1 2002/03/05 23:46:42 simonb Exp $ */ 2 3 /* 4 * Copyright 2000, 2001 5 * Broadcom Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and copied only 8 * in accordance with the following terms and conditions. Subject to these 9 * conditions, you may download, copy, install, use, modify and distribute 10 * modified or unmodified copies of this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce and 14 * retain this copyright notice and list of conditions as they appear in 15 * the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Broadcom Corporation. Neither the "Broadcom Corporation" name nor any 19 * trademark or logo of Broadcom Corporation may be used to endorse or 20 * promote products derived from this software without the prior written 21 * permission of Broadcom Corporation. 22 * 23 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 26 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 27 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 28 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 33 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* from: $NetBSD: comvar.h,v 1.32 2000/03/23 07:01:30 thorpej Exp */ 37 38 /* 39 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by Christopher G. Demetriou 52 * for the NetBSD Project. 53 * 4. The name of the author may not be used to endorse or promote products 54 * derived from this software without specific prior written permission 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 */ 67 68 #include "rnd.h" 69 #if NRND > 0 && defined(RND_SBJCN) 70 #include <sys/rnd.h> 71 #endif 72 73 #include <sys/callout.h> 74 75 #define SBJCN_CHAN(x) ((minor(x) & 0x00001) >> 0) 76 #define SBJCN_UNIT(x) ((minor(x) & 0x7fffe) >> 1) 77 #define SBJCN_DIALOUT(x) ((minor(x) & 0x80000) != 0) 78 79 #define SBJCN_TOLERANCE 30 /* baud rate tolerance, in 0.1% units */ 80 81 int sbjcn_cnattach(u_long addr, int chan, int rate, 82 tcflag_t cflag); 83 #ifdef KGDB 84 int sbjcn_kgdb_attach(u_long addr, int chan, int rate, 85 tcflag_t cflag); 86 #endif 87 int sbjcn_is_console(u_long addr, int chan); 88 89 /* Hardware flag masks */ 90 #define SBJCN_HW_CONSOLE 0x01 91 #define SBJCN_HW_KGDB 0x02 92 #define SBJCN_HW_DEV_OK 0x04 93 94 /* Buffer size for character buffer */ 95 #define SBJCN_RING_SIZE 2048 96 97 struct sbjcn_channel { 98 int ch_num; 99 struct sbjcn_softc *ch_sc; 100 struct tty *ch_tty; /* tty struct */ 101 struct callout ch_diag_callout; /* callout for diagnostic msgs */ 102 struct callout ch_callout; /* callout for channel processing */ 103 104 volatile char *ch_input_reg; /* kseg1 addr of input reg */ 105 volatile char *ch_output_reg; /* kseg1 addr of outpu reg */ 106 volatile char *ch_control_reg;/* kseg1 addr of control reg */ 107 108 volatile int ch_waiting_input; /* */ 109 volatile uint64_t ch_input_buf; /* up to 7 buffered bytes */ 110 111 volatile char *ch_base; /* kseg1 addr of channel regs */ 112 volatile char *ch_isr_base; /* kseg1 addr of channel ISR */ 113 volatile char *ch_imr_base; /* kseg1 addr of channel IMR */ 114 #ifdef XXXCGDnotyet 115 volatile char *ch_inchg_base; /* kseg1 addr of channel inport-chg */ 116 #endif 117 118 u_int ch_overflows; 119 u_int ch_floods; 120 u_int ch_errors; 121 122 u_int ch_hwflags; 123 u_int ch_swflags; 124 125 u_int ch_r_hiwat; 126 u_int ch_r_lowat; 127 128 /* receive ring buffer management */ 129 u_char *volatile ch_rbget; 130 u_char *volatile ch_rbput; 131 volatile u_int ch_rbavail; 132 u_char *ch_rbuf; 133 u_char *ch_ebuf; 134 135 /* transmit buffer management */ 136 u_char *ch_tba; 137 u_int ch_tbc; 138 u_int ch_heldtbc; 139 140 volatile u_int ch_rx_flags; 141 #define RX_TTY_BLOCKED 0x01 142 #define RX_TTY_OVERFLOWED 0x02 143 #define RX_IBUF_BLOCKED 0x04 144 #define RX_IBUF_OVERFLOWED 0x08 145 #define RX_ANY_BLOCK 0x0f 146 volatile u_int ch_tx_busy; 147 volatile u_int ch_tx_done; 148 volatile u_int ch_tx_stopped; 149 volatile u_int ch_rx_ready; 150 151 volatile u_char ch_heldchange; 152 153 volatile u_int ch_brc; 154 volatile u_char ch_imr; 155 volatile u_char ch_iports, ch_iports_delta; 156 volatile u_char ch_oports, ch_oports_active; 157 volatile u_char ch_mode1, ch_mode2; 158 159 u_char ch_i_dcd, ch_i_cts, ch_i_dsr, ch_i_ri, ch_i_mask; 160 u_char ch_o_dtr, ch_o_rts, ch_o_mask; 161 162 u_char ch_i_dcd_pin, ch_i_cts_pin, ch_i_dsr_pin, ch_i_ri_pin; 163 u_char ch_o_dtr_pin, ch_o_rts_pin; 164 }; 165 166 struct sbjcn_softc { 167 struct device sc_dev; /* base device */ 168 169 /* shared data structures */ 170 u_long sc_addr; /* phys addr of JTAG console bus_space */ 171 172 struct sbjcn_channel sc_channels[1]; 173 }; 174 175 /* Macros to clear/set/test flags. */ 176 #define SET(t, f) (t) |= (f) 177 #define CLR(t, f) (t) &= ~(f) 178 #define ISSET(t, f) ((t) & (f)) 179
Indexes created Wed Oct 01 07:09:59 GMT 2025