1/* ********************************************************************* 2 * BCM12500 Board Support Package 3 * 4 * CPU1 test routines File: CPU1TEST.S 5 * 6 * This file gives CPU1 something to do. 7 * 8 * Author: Mitch Lichtenberg 9 * 10 ********************************************************************* 11 * 12 * Copyright 2000,2001,2002,2003 13 * Broadcom Corporation. All rights reserved. 14 * 15 * This software is furnished under license and may be used and 16 * copied only in accordance with the following terms and 17 * conditions. Subject to these conditions, you may download, 18 * copy, install, use, modify and distribute modified or unmodified 19 * copies of this software in source and/or binary form. No title 20 * or ownership is transferred hereby. 21 * 22 * 1) Any source code used, modified or distributed must reproduce 23 * and retain this copyright notice and list of conditions 24 * as they appear in the source file. 25 * 26 * 2) No right is granted to use any trade name, trademark, or 27 * logo of Broadcom Corporation. The "Broadcom Corporation" 28 * name may not be used to endorse or promote products derived 29 * from this software without the prior written permission of 30 * Broadcom Corporation. 31 * 32 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR 33 * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED 34 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 35 * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 36 * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 37 * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, 38 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 39 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 40 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 41 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 42 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 43 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF 44 * THE POSSIBILITY OF SUCH DAMAGE. 45 ********************************************************************* */ 46 47#include "sbmips.h" 48#include "bsp_config.h" 49#include "lausanne.h" 50 51 .text 52 53 54 55#define SETLEDS(a,b,c,d) \ 56 li a0,(((a)<<24)|((b)<<16)|((c)<<8)|(d)) ; \ 57 bal cpu1_setleds 58 59 60 .text 61 62 63/* ********************************************************************* 64 * BOARD_SETLEDS(x) 65 * 66 * Set LEDs for boot-time progress indication. Not used if 67 * the board does not have progress LEDs. This routine 68 * must not call any other routines, since it may be invoked 69 * either from KSEG0 or KSEG1 and it may be invoked 70 * whether or not the icache is operational. 71 * 72 * Input parameters: 73 * a0 - LED value (8 bits per character, 4 characters) 74 * 75 * Return value: 76 * nothing 77 * 78 * Registers used: 79 * t0,t1,t2,t3 80 ********************************************************************* */ 81 82 83#define LED_CHAR0 (32+8*3) 84#define LED_CHAR1 (32+8*2) 85#define LED_CHAR2 (32+8*1) 86#define LED_CHAR3 (32+8*0) 87 88LEAF(cpu1_setleds) 89 90 li t0,PHYS_TO_K1(LEDS_PHYS) 91 92 rol a0,a0,8 93 and t1,a0,0xFF 94 sb t1,LED_CHAR0(t0) 95 96 rol a0,a0,8 97 and t1,a0,0xFF 98 sb t1,LED_CHAR1(t0) 99 100 rol a0,a0,8 101 and t1,a0,0xFF 102 sb t1,LED_CHAR2(t0) 103 104 rol a0,a0,8 105 and t1,a0,0xFF 106 sb t1,LED_CHAR3(t0) 107 108 j ra 109 110END(cpu1_setleds) 111 112 113/* ********************************************************************* 114 * CPU1PROC() 115 * 116 * This routine is started on the secondary processor. It just 117 * makes some noise on the LEDs. 118 * 119 * Input parameters: 120 * nothing 121 * 122 * Return value: 123 * does not return 124 ********************************************************************* */ 125 126#ifdef _FUNCSIM_ 127#define WAITCOUNT 100000 128#else 129#define WAITCOUNT 100000000 130#endif 131 132LEAF(cpu1proc) 133 134 li s0,0x80001000 135 li s1,0 136 sd s1,0(s0) 137 138loop: 139 140 SETLEDS('H','i',' ',' ') 141 142 ld t0,0(s0) 143 bne t0,s1,fail 144 add t0,1 145 add s1,1 146 sd t0,0(s0) 147 148 mtc0 zero,C0_COUNT 1491: li t0,WAITCOUNT 150 mfc0 t1,C0_COUNT 151 blt t1,t0,1b 152 153 SETLEDS('M','o','m','!') 154 155 ld t0,0(s0) 156 bne t0,s1,fail 157 add t0,1 158 add s1,1 159 sd t0,0(s0) 160 161 162 mtc0 zero,C0_COUNT 1631: li t0,WAITCOUNT 164 mfc0 t1,C0_COUNT 165 blt t1,t0,1b 166 167 b loop 168 169fail: 170 SETLEDS('F','a','i','l') 1711: b 1b 172 173 174END(cpu1proc) 175