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

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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
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64
sys/arch/arm32/podulebus/if_eh.c
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@ -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;