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disable XLB arbiter interrupt

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This commit is contained in:
Markus Fröschle
2021-01-10 15:05:11 +01:00
parent 89c511f9ec
commit 39f814cb72
1 changed files with 10 additions and 1 deletions
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11
sys/BaS.c
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@@ -741,7 +741,7 @@ void init_isr(void)
MCF_XLB_XARB_IMR = MCF_XLB_XARB_IMR_SEAE | /* slave error acknowledge interrupt */ MCF_XLB_XARB_IMR = MCF_XLB_XARB_IMR_SEAE | /* slave error acknowledge interrupt */
MCF_XLB_XARB_IMR_MME | /* multiple master at prio 0 interrupt */ // MCF_XLB_XARB_IMR_MME | /* multiple master at prio 0 interrupt */
MCF_XLB_XARB_IMR_TTAE | /* TT address only interrupt */ MCF_XLB_XARB_IMR_TTAE | /* TT address only interrupt */
MCF_XLB_XARB_IMR_TTRE | /* TT reserved interrupt enable */ MCF_XLB_XARB_IMR_TTRE | /* TT reserved interrupt enable */
MCF_XLB_XARB_IMR_ECWE | /* external control word interrupt */ MCF_XLB_XARB_IMR_ECWE | /* external control word interrupt */
@@ -757,10 +757,12 @@ void init_isr(void)
MCF_PCIARB_PACR = MCF_PCIARB_PACR_EXTMINTEN(0x1f) | /* external master broken interrupt */ MCF_PCIARB_PACR = MCF_PCIARB_PACR_EXTMINTEN(0x1f) | /* external master broken interrupt */
MCF_PCIARB_PACR_INTMINTEN; /* internal master broken interrupt */ MCF_PCIARB_PACR_INTMINTEN; /* internal master broken interrupt */
#ifdef NOT_USED /* TODO: this appears to crash early and needs some further work */
if (!isr_register_handler(64 + INT_SOURCE_XLBARB, 7, 1, xlbarb_interrupt_handler, NULL, NULL)) if (!isr_register_handler(64 + INT_SOURCE_XLBARB, 7, 1, xlbarb_interrupt_handler, NULL, NULL))
{ {
dbg("Error: unable to register isr for XLB ARB interrupts\r\n"); dbg("Error: unable to register isr for XLB ARB interrupts\r\n");
} }
#endif
} }
void ide_init(void) void ide_init(void)
@@ -1046,7 +1048,14 @@ void BaS(void)
video_init(); video_init();
/* initialize USB devices */ /* initialize USB devices */
/*
* FIXME: USB device scan sometimes finds mouse and keyboard but also sometimes just hangs or crashes.
* this seems to be related to XLBARB interrupts - need to investigate
*/
#ifdef NOT_USED
init_usb(); init_usb();
#endif /* FIXME */
set_ipl(7); /* disable interrupts */ set_ipl(7); /* disable interrupts */