14e2277962
while others dislike them being extra commits, let's clean them up once and for all for the existing code. If it's ugly, let it only be ugly once :-) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
27 lines
611 B
C
27 lines
611 B
C
static void spd_set_nbxcfg(void)
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{
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/*
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* Effects: Uses serial presence detect to set the
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* ECC support flags in the NBXCFG register
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* FIXME: Check for illegal/unsupported ram configurations and abort
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*/
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unsigned device;
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for(device = 0x50; device <= 0x53; device += 1) {
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int byte;
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byte = 0; /* Disable ECC */
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/* 0 == None, 1 == Parity, 2 == ECC */
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if (byte != 2) continue;
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/* set the device I'm talking too */
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__builtin_outb(device, 0x1004);
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/* poll for transaction completion */
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byte = __builtin_inb(0x10);
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while(byte == 0) {
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byte = __builtin_inb(0x10);
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}
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}
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}
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