On Wednesday 08 July 2009 13:43:55 Matthias Fuchs wrote: > This patch moves some basic PCI initialisation from the 4xx cpu_init_f() > to cpu/ppc4xx/4xx_pci.c. > > The original cpu_init_f() function enabled the 405EP's internal arbiter > in all situations. Also the HCE bit in cpc0_pci is always set. > The first is not really wanted for PCI adapter designs and the latter > is a general bug for PCI adapter U-Boots. Because it enables > PCI configuration by the system CPU even when the PCI configuration has > not been setup by the 405EP. The one and only correct place is > in pci_405gp_init() (see "Set HCE bit" comment). > > So for compatibility reasons the arbiter is still enabled in any case, > but from weak pci_pre_init() so that it can be replaced by board specific > code. > > Signed-off-by: Matthias Fuchs <[email protected]>
Applied to u-boot-ppc4xx. Thanks. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
