Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-09-21 15:12:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

[PATCH] Correctly display PCI arbiter en-/disabled on some 4xx boards

Browse source 
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 <sr@denx.de>
This commit is contained in:
Stefan Roese 2007-02-02 12:44:22 +01:00
parent 2aa54f651a
commit 7372ca6822
1 changed files with 10 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
cpu/ppc4xx/cpu.c
View file

@ -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