From: Stefan Roese Date: Fri, 2 Feb 2007 11:44:22 +0000 (+0100) Subject: [PATCH] Correctly display PCI arbiter en-/disabled on some 4xx boards X-Git-Tag: v2008.10-rc1~1033 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7372ca68227930d03cffa548310524cad5b96733;p=platform%2Fkernel%2Fu-boot.git [PATCH] Correctly display PCI arbiter en-/disabled on some 4xx boards Previously the strapping DCR/SDR was read to determine if the internal PCI arbiter is enabled or not. This strapping bit can be overridden, so now the current status is read from the correct DCR/SDR register. Signed-off-by: Stefan Roese --- diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index 7c96ad8..b02f6f4 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -88,14 +88,18 @@ int pci_arbiter_enabled(void) return (mfdcr(cpc0_strp1) & CPC0_STRP1_PAE_MASK); #endif -#if defined(CONFIG_440GX) || \ - defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE) unsigned long val; - mfsdr(sdr_sdstp1, val); - return (val & SDR0_SDSTP1_PAE_MASK); + mfsdr(sdr_xcr, val); + return (val & 0x80000000); +#endif +#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + unsigned long val; + + mfsdr(sdr_pci0, val); + return (val & 0x80000000); #endif } #endif