projects / OpenSPARC-T2-SAM / blame
| Commit | Line | Data |
|---|---|---|
| 920dae64 AT |
1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: serial_impl.h | |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
| 7 | * | |
| 8 | * The above named program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public | |
| 10 | * License version 2 as published by the Free Software Foundation. | |
| 11 | * | |
| 12 | * The above named program is distributed in the hope that it will be | |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public | |
| 18 | * License along with this work; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 20 | * | |
| 21 | * ========== Copyright Header End ============================================ | |
| 22 | */ | |
| 23 | /* | |
| 24 | * Copyright (C) 1991, 2001 Sun Microsystems, Inc. | |
| 25 | * All rights reserved. | |
| 26 | */ | |
| 27 | #pragma ident "@(#)1.2 01/08/27 serial_impl.h" | |
| 28 | ||
| 29 | #ifndef _SERIAL_IMPL_H | |
| 30 | #define _SERIAL_IMPL_H | |
| 31 | ||
| 32 | #include <synch.h> | |
| 33 | #include "decl_macros.h" | |
| 34 | #include "serial_common.h" | |
| 35 | #include "serial_registers.h" | |
| 36 | ||
| 37 | #define SERIAL_REGS 16 | |
| 38 | ||
| 39 | typedef struct queuex { | |
| 40 | uint8_t c; | |
| 41 | struct queuex *next; | |
| 42 | } squeue; | |
| 43 | ||
| 44 | typedef struct channel_regs { | |
| 45 | uint8_t wr[SERIAL_REGS]; /* Write Registers 0-15 - Transmit buffer WR8 */ | |
| 46 | uint8_t rr[SERIAL_REGS]; /* Only 0-3,6-8,10,12,13 and 15 are used */ | |
| 47 | /* Receive buffer RR8 */ | |
| 48 | uint8_t rcv_buf[3]; /* Additional receive buffers */ | |
| 49 | uint8_t tr_shft_reg[3]; /* Transmiter shift reg. Only 20 bits */ | |
| 50 | int qcnt; /* # chars queued up on channel */ | |
| 51 | squeue q; /* head of queue - contains 1st char as well */ | |
| 52 | ||
| 53 | mutex_t serial_lock; | |
| 54 | } channel_regs; | |
| 55 | ||
| 56 | #define PORT_A 0 | |
| 57 | #define PORT_B 1 | |
| 58 | #define PORT_C 2 | |
| 59 | #define PORT_D 3 | |
| 60 | #define NUM_PORTS 2 | |
| 61 | ||
| 62 | typedef struct AB_regs { | |
| 63 | channel_regs port[NUM_PORTS]; | |
| 64 | } AB_Regs_t; | |
| 65 | ||
| 66 | typedef struct serial_struct { | |
| 67 | FLDDECL(int, device_no,,dump,); | |
| 68 | ||
| 69 | FLDDECL(struct AB_regs, scc,,dump,); /* Serial Communications Controller */ | |
| 70 | } serial_structT; | |
| 71 | ||
| 72 | #endif /* _SERIAL_IMPL_H */ |