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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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36
arch/mips/txx9/generic/pci.c
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@@ -386,3 +386,39 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
return txx9_board_vec->pci_map_irq(dev, slot, pin);
}
char * (*txx9_board_pcibios_setup)(char *str) __devinitdata;
char *__devinit txx9_pcibios_setup(char *str)
{
if (txx9_board_pcibios_setup && !txx9_board_pcibios_setup(str))
return NULL;
if (!strcmp(str, "picmg")) {
/* PICMG compliant backplane (TOSHIBA JMB-PICMG-ATX
(5V or 3.3V), JMB-PICMG-L2 (5V only), etc.) */
txx9_pci_option |= TXX9_PCI_OPT_PICMG;
return NULL;
} else if (!strcmp(str, "nopicmg")) {
/* non-PICMG compliant backplane (TOSHIBA
RBHBK4100,RBHBK4200, Interface PCM-PCM05, etc.) */
txx9_pci_option &= ~TXX9_PCI_OPT_PICMG;
return NULL;
} else if (!strncmp(str, "clk=", 4)) {
char *val = str + 4;
txx9_pci_option &= ~TXX9_PCI_OPT_CLK_MASK;
if (strcmp(val, "33") == 0)
txx9_pci_option |= TXX9_PCI_OPT_CLK_33;
else if (strcmp(val, "66") == 0)
txx9_pci_option |= TXX9_PCI_OPT_CLK_66;
else /* "auto" */
txx9_pci_option |= TXX9_PCI_OPT_CLK_AUTO;
return NULL;
} else if (!strncmp(str, "err=", 4)) {
if (!strcmp(str + 4, "panic"))
txx9_pci_err_action = TXX9_PCI_ERR_PANIC;
else if (!strcmp(str + 4, "ignore"))
txx9_pci_err_action = TXX9_PCI_ERR_IGNORE;
return NULL;
}
return str;
}