ppc4xx: Setup pci interrupt line registers on sequoia boards

This patch writes the correct interrupt numbers into the pci interrupt line register on sequoia boards when PCI PNP (CONFIG_PCI_PNP) is enabled. Even U-Boot does not use interrupts some OS rely on this.

Signed-off-by: Matthias Fuchs matthias.fuchs@esd-electronics.com

--- commit 99c549cae6cbecd07fe860d2e652653ad23869f1 tree 851ae01b5a35f9c6913473a86006b4c85c969438 parent 3c908811a5e7098d476976eed54a4f8b0e80edc7 author Matthias Fuchs matthias.fuchs@esd-electronics.com Thu, 21 Jun 2007 15:32:46 +0200 committer Matthias Fuchs matthias.fuchs@esd-electronics.com Thu, 21 Jun 2007 15:32:46 +0200

board/amcc/sequoia/sequoia.c | 17 +++++++++++++++-- 1 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c index ba365ae..ee2fd66 100644 --- a/board/amcc/sequoia/sequoia.c +++ b/board/amcc/sequoia/sequoia.c @@ -414,6 +414,18 @@ int testdram(void) } #endif

+#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) +#ifdef CONFIG_PCI_PNP +/* + * Assign interrupts to PCI devices. Some OSs rely on this. + * All PCI interrupt lines are connected to ext. interrupt 2 (=67) + */ +void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 67); +} +#endif + /************************************************************************* * pci_pre_init * @@ -426,7 +438,6 @@ int testdram(void) * certain pre-initialization actions. * ************************************************************************/ -#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) int pci_pre_init(struct pci_controller *hose) { unsigned long addr; @@ -477,7 +488,9 @@ int pci_pre_init(struct pci_controller * addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep; addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep; mtdcr(plb1_acr, addr); - +#ifdef CONFIG_PCI_PNP + hose->fixup_irq = sequoia_pci_fixup_irq; +#endif return 1; } #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */