Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added boot time override for the memory test during probing. This 

memory test apparently causes hangups on some etherH interfaces.
Until this can be debugged with an offending interface the memory
test can be bypassed.
This commit is contained in:
mark 1996-03-13 20:52:35 +00:00
parent c117a7f133
commit d389b21913
1 changed files with 45 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
sys/arch/arm32/podulebus/if_eh.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_eh.c,v 1.3 1996/03/06 23:53:13 mark Exp $ */
/* $NetBSD: if_eh.c,v 1.4 1996/03/13 20:52:35 mark Exp $ */
/*
* Copyright (c) 1995 Melvin Tang-Richardson.
@ -195,6 +195,9 @@ struct cfdriver ehcd = {
#define REMOTE_DMA(n) SetReg ( EH_COMMAND, \
((GetReg(EH_COMMAND)&(COM_MASK_DMA))|n) )
extern char *boot_args;
char *strstr __P((char */*s1*/, char */*s2*/));
/****************************************************************************/
/* Bus attachment code ******************************************************/
/****************************************************************************/
@ -290,31 +293,54 @@ ehprobe(parent, match, aux)
/* Test the board ram. This code will change */
/*
* Due to problems with some ether H cards the boot option ehbug
* can be used to skip this test.
* If you system hangs during the eh probe try this option.
*/
#define NLEN (0x2000)
#define NBASE (0x4000)
{
char *test_data;
char *read_buffer;
MALLOC(test_data, char *, NLEN, M_DEVBUF, M_NOWAIT);
MALLOC(read_buffer, char *, NLEN, M_DEVBUF, M_NOWAIT);
if (boot_args) {
char *ptr;
ptr = strstr(boot_args, "ehbug");
if (!ptr) {
char *test_data;
char *read_buffer;
MALLOC(test_data, char *, NLEN, M_TEMP, M_NOWAIT);
if (test_data == NULL)
panic("Cannot allocate temporary memory for buffer test (1)\n");
MALLOC(read_buffer, char *, NLEN, M_TEMP, M_NOWAIT);
if (read_buffer == NULL)
panic("Cannot allocate temporary memory for buffer test (1)\n");
/* Fill the test_data block */
printf("1.");
for (counter=0; counter<NLEN; counter++) {
test_data[counter] = (char)(counter&0xff);
if (test_data[counter] == 0)
test_data[counter]=0x23;
/* Fill the test_data block */
for (counter=0; counter<NLEN; counter++) {
test_data[counter] = (char)(counter&0xff);
if (test_data[counter] == 0)
test_data[counter]=0x23;
}
printf("2.");
eh_copyout(sc, test_data, NBASE, NLEN);
printf("3.");
delay(10000);
eh_copyin(sc, NBASE, read_buffer, NLEN);
printf("4.");
if (bcmp(test_data, read_buffer, NLEN))
PRINTF("Block test failed\n");
printf("5.");
FREE(test_data, M_TEMP);
FREE(read_buffer, M_TEMP);
}
eh_copyout(sc, test_data, NBASE, NLEN);
delay(10000);
eh_copyin(sc, NBASE, read_buffer, NLEN);
if (bcmp(test_data, read_buffer, NLEN))
PRINTF("Block test failed\n");
}
/* This is always true for our ether h */
sc->sc_physstart = 0x4000;