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path: root/cpu/mpc5xxx/pci_mpc5200.c
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Diffstat (limited to 'cpu/mpc5xxx/pci_mpc5200.c')
-rw-r--r--cpu/mpc5xxx/pci_mpc5200.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/cpu/mpc5xxx/pci_mpc5200.c b/cpu/mpc5xxx/pci_mpc5200.c
index 2cfa11c..1d90345 100644
--- a/cpu/mpc5xxx/pci_mpc5200.c
+++ b/cpu/mpc5xxx/pci_mpc5200.c
@@ -145,7 +145,11 @@ void pci_mpc5xxx_init (struct pci_controller *hose)
/* Disable interrupts from PCI controller */
*(vu_long *)MPC5XXX_PCI_GSCR &= ~(7 << 12);
- *(vu_long *)MPC5XXX_PCI_ICR &= ~(7 << 24);
+ *(vu_long *)MPC5XXX_PCI_ICR &= ~(7 << 24);
+
+ /* Set PCI retry counter to 0 = infinite retry. */
+ /* The default of 255 is too short for slow devices. */
+ *(vu_long *)MPC5XXX_PCI_ICR &= 0xFFFFFF00;
/* Disable initiator windows */
*(vu_long *)MPC5XXX_PCI_IWCR = 0;