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[MIPS] TXx9: Add some pci options

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Add pci options for backplane type, clock selection, error handling,
timeout values.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto
2008-07-24 00:25:15 +09:00
committed by Ralf Baechle
parent 47a5c97648
commit 0751752922
7 changed files with 68 additions and 0 deletions
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22
arch/mips/pci/ops-tx4927.c
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@@ -194,6 +194,28 @@ static struct {
.gbwc = 0xfe0, /* 4064 GBUSCLK for CCFG.GTOT=0b11 */
};
char *__devinit tx4927_pcibios_setup(char *str)
{
unsigned long val;
if (!strncmp(str, "trdyto=", 7)) {
if (strict_strtoul(str + 7, 0, &val) == 0)
tx4927_pci_opts.trdyto = val;
return NULL;
}
if (!strncmp(str, "retryto=", 8)) {
if (strict_strtoul(str + 8, 0, &val) == 0)
tx4927_pci_opts.retryto = val;
return NULL;
}
if (!strncmp(str, "gbwc=", 5)) {
if (strict_strtoul(str + 5, 0, &val) == 0)
tx4927_pci_opts.gbwc = val;
return NULL;
}
return str;
}
void __init tx4927_pcic_setup(struct tx4927_pcic_reg __iomem *pcicptr,
struct pci_controller *channel, int extarb)
{