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| author | Wolfgang Denk <wd@pollux.(none)> | 2005-12-16 15:14:18 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.(none)> | 2005-12-16 15:14:18 +0100 |
| commit | a9e642e2f8c944b9c0ffb5564fda262f6d3da0a3 (patch) | |
| tree | c3897528ded16e2959a10d1d0554c02e917cb889 | |
| parent | e43232dee85d17dff4fad7fc8ff2bc5f6b9c7a76 (diff) | |
| download | u-boot-imx-a9e642e2f8c944b9c0ffb5564fda262f6d3da0a3.zip u-boot-imx-a9e642e2f8c944b9c0ffb5564fda262f6d3da0a3.tar.gz u-boot-imx-a9e642e2f8c944b9c0ffb5564fda262f6d3da0a3.tar.bz2 | |
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
| -rw-r--r-- | CHANGELOG | 4 | ||||
| -rw-r--r-- | cpu/mpc5xxx/pci_mpc5200.c | 6 |
2 files changed, 9 insertions, 1 deletions
@@ -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 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; |