1 /* $NetBSD: xpbusvar.h,v 1.1 2022/06/10 21:42:23 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 2016 Izumi Tsutsui. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _XPBUSVAR_H_ 28 #define _XPBUSVAR_H_ 29 30 #include <machine/board.h> 31 32 #define TRI_PORT_RAM_XP_OFFSET 0x00000 33 34 #define XP_SHM_BASE (TRI_PORT_RAM + TRI_PORT_RAM_XP_OFFSET) 35 #define XP_SHM_SIZE 0x00010000 /* 64KB for XP; rest 64KB for lance */ 36 #define XP_TAS_ADDR OBIO_TAS 37 38 #define XP_CPU_FREQ 6144000 39 40 struct xpbus_attach_args { 41 const char *xa_name; 42 }; 43 44 /* xpbus sharing control */ 45 #define XP_ACQ_EXCL (1 << 31) 46 u_int xp_acquire(int, u_int); 47 void xp_release(int); 48 void xp_set_shm_dirty(void); 49 void xp_ensure_firmware(void); 50 51 /* PIO control */ 52 uint8_t put_pio0c(uint8_t, uint8_t); 53 54 /* XP reset control */ 55 void xp_cpu_reset_hold(void); 56 void xp_cpu_reset_release(void); 57 void xp_cpu_reset(void); 58 59 /* XP interrupt control */ 60 void xp_intr1_enable(void); 61 void xp_intr1_disable(void); 62 void xp_intr1_acknowledge(void); 63 64 void xp_intr5_enable(void); 65 void xp_intr5_disable(void); 66 void xp_intr5_acknowledge(void); 67 68 /* XP SHM control */ 69 void *xp_shmptr(int); 70 int xp_readmem8(int); 71 int xp_readmem16le(int); 72 void xp_writemem8(int, int); 73 void xp_writemem16le(int, int); 74 75 #endif /* !_XPBUSVAR_H_ */ 76