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