From mboxrd@z Thu Jan 1 00:00:00 1970 From: mroos@linux.ee Subject: Re: PCI Radeon RV100 detection hang on sparc64 Date: Tue, 24 Sep 2013 00:14:41 +0300 (EEST) Message-ID: References: <20130923.163643.2197376291925046530.davem@davemloft.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <20130923.163643.2197376291925046530.davem@davemloft.net> Sender: sparclinux-owner@vger.kernel.org To: David Miller Cc: oftedal@gmail.com, airlied@gmail.com, michel@daenzer.net, sparclinux@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org > > That looks quite strange. I guess the kernel should map the ROM at the > > address OpenBoot/OF assigned to it. ( 10020000 ). > > The address you see is a raw physical I/O address, which is a concatenation > of the I/O window physical address for that PCI controller and the > PCI bus assigned address. > > This is what we store in the resource values. > > The pci_assign_resource() path must have some bug that causes the > resource values to be set incorrectly or similar. > > Meelis, what is the value of pci_resource_start(pdev, PCI_ROM_RESOURCE) > before the pci_map_rom() call? [drm] radeon_read_bios: pci_resource_start(ROM)=000001FF10020000 I am a little confused here. ROM addressis OK but after pci_map_rom it results in address that corresponds to another device? -- Meelis Roos (mroos@linux.ee)