use bus independent probe
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bee07ea181
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7e6d7b8613
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@ -1,4 +1,4 @@
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/* $NetBSD: lm_isa.c,v 1.1 2000/02/25 02:17:44 groo Exp $ */
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/* $NetBSD: lm_isa.c,v 1.2 2000/03/09 04:19:03 groo Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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@ -83,7 +83,6 @@ lm_isa_match(parent, match, aux)
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struct isa_attach_args *ia = aux;
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int iobase;
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int rv;
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u_int8_t cr;
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/* Must supply an address */
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if (ia->ia_iobase == ISACF_PORT_DEFAULT)
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@ -95,23 +94,9 @@ lm_isa_match(parent, match, aux)
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if (bus_space_map(iot, iobase, 8, 0, &ioh))
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return (0);
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/* Check for some power-on defaults */
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bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG);
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/* Perform LM78 reset */
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bus_space_write_1(iot, ioh, LMC_DATA, 0x80);
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/* XXX - Why do I have to reselect the register? */
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bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG);
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cr = bus_space_read_1(iot, ioh, LMC_DATA);
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/* XXX - spec says *only* 0x08! */
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if ((cr == 0x08) || (cr == 0x01))
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rv = 1;
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else
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rv = 0;
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DPRINTF(("lm: rv = %d, cr = %x\n", rv, cr));
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/* Bus independent probe */
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rv = lm_probe(iot, ioh);
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bus_space_unmap(iot, ioh, 8);
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