From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Fuchs Date: Thu, 13 Oct 2011 14:50:02 +0200 Subject: [U-Boot] [PATCH v2 1/1] pci: move pcidelay code to new location just before PCI bus scan In-Reply-To: <1318409070-11792-1-git-send-email-agust@denx.de> References: <1318346295-15601-1-git-send-email-agust@denx.de> <1318409070-11792-1-git-send-email-agust@denx.de> Message-ID: <4E96DE7A.6090406@esd.eu> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 12.10.2011 10:44, Anatolij Gustschin wrote: > PCI cards might need some time after reset to respond. On some > boards (mpc5200 or mpc8260 based) the PCI bus reset is deasserted > at pci_init_board() time, so we currently can not use available > "pcidelay" option for waiting before PCI bus scan since this > waiting takes place before calling pci_init_board(). By moving > the pcidelay code to the new location using of the "pcidelay" > option is possible on mpc5200 or mpc8260 based boards, too. > > Since pci_hose_scan() could be called multiple times, restrict > the function to wait only during its first call and to ignore > pcidelay for any further call (as pointed out by Matthias). > > Signed-off-by: Anatolij Gustschin > Cc: Matthias Fuchs > --- > Changes since first version: > - extend to wait only during initial pci_hose_scan() call > as pointed out by Matthias Tested on PMC440. Works fine. Acked-by: Matthias Fuchs Matthias