From a9e642e2f8c944b9c0ffb5564fda262f6d3da0a3 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Fri, 16 Dec 2005 15:14:18 +0100 Subject: [PATCH] MPC5200: Set PCI retry counter to 0 = infinite retry; The default of 255 is too short for slow devices. Patch by Martin Nykodym, 12 Dec 2005 --- CHANGELOG | 4 ++++ cpu/mpc5xxx/pci_mpc5200.c | 6 +++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/CHANGELOG b/CHANGELOG index ac3be077d1..16b7c550af 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,10 @@ Changes for U-Boot 1.1.4: ====================================================================== +* MPC5200: Set PCI retry counter to 0 = infinite retry; + The default of 255 is too short for slow devices. + Patch by Martin Nykodym, 12 Dec 2005 + * Change port configuration for O2DNT (CODEC1 on PSC1). * Fix register for PCI async mode on PPC440EP diff --git a/cpu/mpc5xxx/pci_mpc5200.c b/cpu/mpc5xxx/pci_mpc5200.c index 2cfa11ce27..1d903459e0 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; -- 2.39.5