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 (mpl@broadcom.com) 9 * 10 ********************************************************************* 11 * 12 * Copyright 2000,2001 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 as 24 * 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. Neither the "Broadcom 28 * Corporation" name nor any trademark or logo of Broadcom 29 * Corporation may be used to endorse or promote products 30 * derived from this software without the prior written 31 * permission of 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#include "sbmips.h" 49#include "bsp_config.h" 50#include "pt1120.h" 51 52 .text 53 54 55 56#define SETLEDS(a,b,c,d) \ 57 li a0,(((a)<<24)|((b)<<16)|((c)<<8)|(d)) ; \ 58 bal cpu1_setleds 59 60 61 .text 62 63 64/* ********************************************************************* 65 * BOARD_SETLEDS(x) 66 * 67 * Set LEDs for boot-time progress indication. Not used if 68 * the board does not have progress LEDs. This routine 69 * must not call any other routines, since it may be invoked 70 * either from KSEG0 or KSEG1 and it may be invoked 71 * whether or not the icache is operational. 72 * 73 * Input parameters: 74 * a0 - LED value (8 bits per character, 4 characters) 75 * 76 * Return value: 77 * nothing 78 * 79 * Registers used: 80 * t0,t1,t2,t3 81 ********************************************************************* */ 82 83 84#define LED_CHAR0 (32+8*3) 85#define LED_CHAR1 (32+8*2) 86#define LED_CHAR2 (32+8*1) 87#define LED_CHAR3 (32+8*0) 88 89LEAF(cpu1_setleds) 90 91 li t0,PHYS_TO_K1(LEDS_PHYS) 92 93 rol a0,a0,8 94 and t1,a0,0xFF 95 sb t1,LED_CHAR0(t0) 96 97 rol a0,a0,8 98 and t1,a0,0xFF 99 sb t1,LED_CHAR1(t0) 100 101 rol a0,a0,8 102 and t1,a0,0xFF 103 sb t1,LED_CHAR2(t0) 104 105 rol a0,a0,8 106 and t1,a0,0xFF 107 sb t1,LED_CHAR3(t0) 108 109 j ra 110 111END(cpu1_setleds) 112 113 114/* ********************************************************************* 115 * CPU1PROC() 116 * 117 * This routine is started on the secondary processor. It just 118 * makes some noise on the LEDs. 119 * 120 * Input parameters: 121 * nothing 122 * 123 * Return value: 124 * does not return 125 ********************************************************************* */ 126 127#define WAITCOUNT 100000000 128 129LEAF(cpu1proc) 130 131 li s0,0x80001000 132 li s1,0 133 sd s1,0(s0) 134 135loop: 136 137 SETLEDS('H','i',' ',' ') 138 139 ld t0,0(s0) 140 bne t0,s1,fail 141 add t0,1 142 add s1,1 143 sd t0,0(s0) 144 145 mtc0 zero,C0_COUNT 1461: li t0,WAITCOUNT 147 mfc0 t1,C0_COUNT 148 blt t1,t0,1b 149 150 SETLEDS('M','o','m','!') 151 152 ld t0,0(s0) 153 bne t0,s1,fail 154 add t0,1 155 add s1,1 156 sd t0,0(s0) 157 158 159 mtc0 zero,C0_COUNT 1601: li t0,WAITCOUNT 161 mfc0 t1,C0_COUNT 162 blt t1,t0,1b 163 164 b loop 165 166fail: 167 SETLEDS('F','a','i','l') 1681: b 1b 169 170 171END(cpu1proc) 172