Hi Adam, On Fri, Sep 2, 2016 at 4:05 AM, Adam Ford <aford173@xxxxxxxxx> wrote: > On Wed, Aug 24, 2016 at 9:43 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: >> * Suman Anna <s-anna@xxxxxx> [160823 09:42]: >>> On 08/19/2016 06:39 PM, Tony Lindgren wrote: >>> > * Adam Ford <aford173@xxxxxxxxx> [160818 12:20]: >>> >> >>> >> Does anyone have any suggestions on the best way to approach? >>> > >>> > In the long run we should have drivers/drm just manage these >>> > devices using PM runtime and then just load firmware for the >>> > sgx if available. Not sure what all needs to change for that >>> > to happen though.. >>> >>> Unfortunately, the omap_hwmod code alone can't deal with PRCM reset >>> lines, so you would still require the drivers to have to call some API >>> for managing the resets, or if it is one-time boot-time setup thing, can >>> do what was done for DRA7 PCIe (see commit 1c96bee4df19). >> > > It appears as if the SGX driver is trying to figure out how to > deassert reset. From what I can tell by the TRM, I just need to write > a 1 to the bit which should do that. What isn't clear to me how to do > that with the mechanism we have. > >> Yeah that makes sense to me. Then when we have a reset driver in >> place we can switch to using that. > > I would love to help with getting a reset driver, but I am having a > hard time following all the abstraction. If there are tasks I can > help or code people want to test, I'd love to help. Do you have any update on this issue? I've seen patch [0]. Did you manage to run sgx on omap3 with recent kernels? I'm also interested in this area and if I can hep somehow just let me know. Many thanks. [0] - https://patchwork.kernel.org/patch/9311537/ > > >> >> Regards, >> >> Tony > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html BR, marek -- as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
