From: wdenk <wdenk>
Date: Tue, 16 Sep 2003 17:20:34 +0000 (+0000)
Subject: Disable MPC5200 bus pipelining as workaround for bus contention
X-Git-Tag: v2008.10-rc1~2012
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=373e6bec13b46fdd0aab531e39e56aa883ed12cc;p=platform%2Fkernel%2Fu-boot.git

Disable MPC5200 bus pipelining as workaround for bus contention
---

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);