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add a couple of comments.

This commit is contained in:
mrg 2000-04-05 14:23:45 +00:00
parent b986c284fe
commit ff95126059
1 changed files with 8 additions and 3 deletions
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11
sys/arch/sparc64/dev/cs4231_ebus.c
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@ -1,4 +1,4 @@
/* $NetBSD: cs4231_ebus.c,v 1.1 1999/06/07 14:59:14 mrg Exp $ */
/* $NetBSD: cs4231_ebus.c,v 1.2 2000/04/05 14:23:45 mrg Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
@ -104,6 +104,12 @@ cs4231_attach_ebus(parent, self, aux)
sc->sc_ad1848.sc_writereg = cs4231_write;
/*
* These are the register we get from the prom:
* - CS4231 registers
* - DMA (play)
* - DMA (write)
* - AUXIO audio registers
*
* Map my registers in, if they aren't already in virtual
* address space.
*/
@ -120,6 +126,7 @@ cs4231_attach_ebus(parent, self, aux)
return;
}
}
/* XXX what to do with the DMA registers ? */
sc->sc_ad1848.sc_ioh = bh;
sc->sc_dmareg = (struct apc_dma *)(bh + CS4231_REG_SIZE);
@ -132,8 +139,6 @@ cs4231_attach_ebus(parent, self, aux)
printf("\n");
/* sbus_establish(&sc->sc_ed, &sc->sc_ad1848.sc_dev); */
/* Establish interrupt channels */
for (i = 0; i < ea->ea_nintrs; i++)
bus_intr_establish(ea->ea_bustag,