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| author | wdenk <wdenk> | 2003-09-16 17:20:34 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-09-16 17:20:34 +0000 |
| commit | 373e6bec13b46fdd0aab531e39e56aa883ed12cc (patch) | |
| tree | 13a29ed4d77b46db11d4126ea0f2d6d8d757c2ce | |
| parent | 4aeb251f90f3c13b9a3c68c4f296fa871c77f314 (diff) | |
| download | u-boot-imx-373e6bec13b46fdd0aab531e39e56aa883ed12cc.zip u-boot-imx-373e6bec13b46fdd0aab531e39e56aa883ed12cc.tar.gz u-boot-imx-373e6bec13b46fdd0aab531e39e56aa883ed12cc.tar.bz2 | |
Disable MPC5200 bus pipelining as workaround for bus contention
| -rw-r--r-- | cpu/mpc5xxx/pci_mpc5200.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cpu/mpc5xxx/pci_mpc5200.c b/cpu/mpc5xxx/pci_mpc5200.c index a54c5f4..48f41cf 100644 --- a/cpu/mpc5xxx/pci_mpc5200.c +++ b/cpu/mpc5xxx/pci_mpc5200.c @@ -129,8 +129,10 @@ void pci_mpc5xxx_init (struct pci_controller *hose) *(vu_long *)(MPC5XXX_XLBARB + 0x40) &= ~((7 << 8) | (3 << 5)); *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (3 << 8) | (3 << 5); +#if 0 /* Enable piplining */ *(vu_long *)(MPC5XXX_XLBARB + 0x40) &= ~(1 << 31); +#endif /* Disable interrupts from PCI controller */ *(vu_long *)MPC5XXX_PCI_GSCR &= ~(7 << 12); |