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37 lines
748 B
37 lines
748 B
20 years ago
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/*
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* arch/ppc/boot/common/cpc700_memory.c
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*
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* Find memory based upon settings in the CPC700 bridge
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*
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* Author: Dan Cox
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*
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* 2001-2002 (c) MontaVista, Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <asm/types.h>
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#include <asm/io.h>
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#include "cpc700.h"
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unsigned long
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cpc700_get_mem_size(void)
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{
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int i;
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unsigned long len, amt;
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/* Start at MB1EA, since MB0EA will most likely be the ending address
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for ROM space. */
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for(len = 0, i = CPC700_MB1EA; i <= CPC700_MB4EA; i+=4) {
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amt = cpc700_read_memreg(i);
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if (amt == 0)
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break;
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len = amt;
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}
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return len;
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}
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