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-rw-r--r--arch/mips/txx9/generic/pci.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c
index 0b92d8c1320..7b637a7c0e6 100644
--- a/arch/mips/txx9/generic/pci.c
+++ b/arch/mips/txx9/generic/pci.c
@@ -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;
+}