2005-11-16 18:57:10

by Vitaly Bordug

[permalink] [raw]
Subject: [PATCH] ppc32: Fix incorrect PCI frequency value

The time to wait after deasserting PCI_RST has been counted with
incorrect value - this patch fixes the issue.

Signed-off-by: Vitaly Bordug <[email protected]>
Signed-off-by: Kumar Gala <[email protected]>

---

arch/ppc/syslib/m82xx_pci.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

applies-to: f571549f6e990531b853304fe9bf74cb488a02ac
ac9eb05c322380b1d11a0271e1507428b95ab994
diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c
index 1d1c395..20f1fa3 100644
--- a/arch/ppc/syslib/m82xx_pci.c
+++ b/arch/ppc/syslib/m82xx_pci.c
@@ -248,7 +248,8 @@ pq2ads_setup_pci(struct pci_controller *
pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) *
( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1);
freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div));
- time = (int)666666/freq;
+ time = (int)66666666/freq;
+
/* due to PCI Local Bus spec, some devices needs to wait such a long
time after RST deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */
printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq,
---
Sincerely,
Vitaly