1/* ********************************************************************* 2 * Broadcom Common Firmware Environment (CFE) 3 * 4 * Physical memory peek/poke routines File: lib_physio.h 5 * 6 * Little stub routines to allow access to arbitrary physical 7 * addresses. 8 * 9 * Author: Mitch Lichtenberg 10 * 11 ********************************************************************* 12 * 13 * Copyright 2000,2001 14 * Broadcom Corporation. All rights reserved. 15 * 16 * This software is furnished under license and may be used and 17 * copied only in accordance with the following terms and 18 * conditions. Subject to these conditions, you may download, 19 * copy, install, use, modify and distribute modified or unmodified 20 * copies of this software in source and/or binary form. No title 21 * or ownership is transferred hereby. 22 * 23 * 1) Any source code used, modified or distributed must reproduce 24 * and retain this copyright notice and list of conditions 25 * as they appear in the source file. 26 * 27 * 2) No right is granted to use any trade name, trademark, or 28 * logo of Broadcom Corporation. The "Broadcom Corporation" 29 * name may not be used to endorse or promote products derived 30 * from this software without the prior written permission of 31 * Broadcom Corporation. 32 * 33 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR 34 * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED 35 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 36 * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 37 * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 38 * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, 39 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 40 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 41 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 42 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 43 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 44 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF 45 * THE POSSIBILITY OF SUCH DAMAGE. 46 ********************************************************************* */ 47 48 49#ifndef _LIB_PHYSIO_H 50#define _LIB_PHYSIO_H 51 52typedef long physaddr_t; 53#define _PHYSADDR_T_DEFINED_ 54 55extern void phys_write8(physaddr_t port,uint8_t data); 56extern void phys_write16(physaddr_t port,uint16_t data); 57extern void phys_write32(physaddr_t port,uint32_t data); 58extern uint8_t phys_read8(physaddr_t port); 59extern uint16_t phys_read16(physaddr_t port); 60extern uint32_t phys_read32(physaddr_t port); 61 62 63#endif 64