1 /* $NetBSD: gemini_mem.c,v 1.2 2008/11/11 06:32:15 cliff Exp $ */ 2 3 /* adapted from: 4 * NetBSD: integrator_mem.c,v 1.4 2006/01/16 19:34:53 he Exp 5 */ 6 7 /* 8 * Copyright (c) 2002 Wasabi Systems, Inc. 9 * All rights reserved. 10 * 11 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed for the NetBSD Project by 24 * Wasabi Systems, Inc. 25 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 26 * or promote products derived from this software without specific prior 27 * written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 /* 43 * This file provides the mem_init() function for ARM Integrator 44 * core modules. 45 */ 46 47 #include <sys/types.h> 48 #include <lib/libsa/stand.h> 49 50 #include "board.h" 51 52 /* 53 * constrain MEMSIZE to avoid stepping out of smallest-case 54 * Gemini CPU Remap Control remapped-private memory size 55 * "bad" things can happen if the gzboot heap is in 56 * non-core-private memory. 57 */ 58 #define MEMSIZE (32 * 1024 * 1024) /* 32MB */ 59 60 void 61 mem_init(void) 62 { 63 uint32_t heap, size; 64 65 size = MEMSIZE; 66 67 /* Start is always 0. */ 68 heap = size - BOARD_HEAP_SIZE; 69 70 printf(">> RAM 0x%x - 0x%x, heap at 0x%x\n", 0, size - 1, heap); 71 setheap((void *)heap, (void *)(size - 1)); 72 } 73