From 8419c013048b1f15f3fa2fc7c0463d860a04ee3e Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Tue, 18 Apr 2006 11:05:03 +0200 Subject: MPC5200: enable snooping of DMA transactions on XLB even if no PCI is configured; othrwise DMA accesses aren't cache coherent which causes for example USB to fail. --- cpu/mpc5xxx/pci_mpc5200.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'cpu/mpc5xxx/pci_mpc5200.c') diff --git a/cpu/mpc5xxx/pci_mpc5200.c b/cpu/mpc5xxx/pci_mpc5200.c index 1d90345..2f01d5c 100644 --- a/cpu/mpc5xxx/pci_mpc5200.c +++ b/cpu/mpc5xxx/pci_mpc5200.c @@ -135,10 +135,6 @@ void pci_mpc5xxx_init (struct pci_controller *hose) *(vu_long *)MPC5XXX_PCI_BAR1 = CONFIG_PCI_MEMORY_BUS | (1 << 3); *(vu_long *)MPC5XXX_PCI_TBATR1 = CONFIG_PCI_MEMORY_PHYS | 1; - /* Enable snooping for RAM */ - *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 15); - *(vu_long *)(MPC5XXX_XLBARB + 0x70) = CONFIG_PCI_MEMORY_PHYS | 0x1d; - /* Park XLB on PCI */ *(vu_long *)(MPC5XXX_XLBARB + 0x40) &= ~((7 << 8) | (3 << 5)); *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (3 << 8) | (3 << 5); -- cgit v1.1