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 "cpu_config.h" 50#include "mipsmacros.h" 51#include "swarm.h" 52 53 .text 54 55 56 57#define SETLEDS(a,b,c,d) \ 58 li a0,(((a)<<24)|((b)<<16)|((c)<<8)|(d)) ; \ 59 JAL(cpu1_setleds) 60 61 62 .text 63 64 65/* ********************************************************************* 66 * BOARD_SETLEDS(x) 67 * 68 * Set LEDs for boot-time progress indication. Not used if 69 * the board does not have progress LEDs. This routine 70 * must not call any other routines, since it may be invoked 71 * either from KSEG0 or KSEG1 and it may be invoked 72 * whether or not the icache is operational. 73 * 74 * Input parameters: 75 * a0 - LED value (8 bits per character, 4 characters) 76 * 77 * Return value: 78 * nothing 79 * 80 * Registers used: 81 * t0,t1,t2,t3 82 ********************************************************************* */ 83 84 85#define LED_CHAR0 (32+8*3) 86#define LED_CHAR1 (32+8*2) 87#define LED_CHAR2 (32+8*1) 88#define LED_CHAR3 (32+8*0) 89 90LEAF(cpu1_setleds) 91 92 li t0,PHYS_TO_K1(LEDS_PHYS) 93 94 rol a0,a0,8 95 and t1,a0,0xFF 96 sb t1,LED_CHAR0(t0) 97 98 rol a0,a0,8 99 and t1,a0,0xFF 100 sb t1,LED_CHAR1(t0) 101 102 rol a0,a0,8 103 and t1,a0,0xFF 104 sb t1,LED_CHAR2(t0) 105 106 rol a0,a0,8 107 and t1,a0,0xFF 108 sb t1,LED_CHAR3(t0) 109 110 j ra 111 112END(cpu1_setleds) 113 114 115/* ********************************************************************* 116 * CPU1PROC() 117 * 118 * This routine is started on the secondary processor. It just 119 * makes some noise on the LEDs. 120 * 121 * Input parameters: 122 * nothing 123 * 124 * Return value: 125 * does not return 126 ********************************************************************* */ 127 128#ifdef _FUNCSIM_ 129#define WAITCOUNT 100000 130#else 131#define WAITCOUNT 100000000 132#endif 133 134LEAF(cpu1proc) 135 136 li s0,0x80001000 137 li s1,0 138 sd s1,0(s0) 139 140loop: 141 142 SETLEDS('H','i',' ',' ') 143 144 ld t0,0(s0) 145 bne t0,s1,fail 146 add t0,1 147 add s1,1 148 sd t0,0(s0) 149 150 mtc0 zero,C0_COUNT 1511: li t0,WAITCOUNT 152 mfc0 t1,C0_COUNT 153 blt t1,t0,1b 154 155 SETLEDS('M','o','m','!') 156 157 ld t0,0(s0) 158 bne t0,s1,fail 159 add t0,1 160 add s1,1 161 sd t0,0(s0) 162 163 164 mtc0 zero,C0_COUNT 1651: li t0,WAITCOUNT 166 mfc0 t1,C0_COUNT 167 blt t1,t0,1b 168 169 b loop 170 171fail: 172 SETLEDS('F','a','i','l') 1731: b 1b 174 175 176END(cpu1proc) 177