On Thu, May 23, 2019 at 04:47:59PM +0200, Michael Nazzareno Trimarchi wrote: > Hi > > On Thu, May 23, 2019 at 4:33 PM Tom Rini <tr...@konsulko.com> wrote: > > > > On Thu, May 23, 2019 at 02:08:23PM +0000, Abel Vesa wrote: > > > On 19-05-23 09:59:05, Tom Rini wrote: > > > > On Thu, May 23, 2019 at 10:49:11AM -0300, Fabio Estevam wrote: > > > > > Hi Peng, > > > > > > > > > > On Tue, May 21, 2019 at 10:38 PM Peng Fan <peng....@nxp.com> wrote: > > > > > > > > > > > > I will send a v2 removing CONFIG_SPL_DM. > > > > > > > > > > > > So what is the real direction moving to use SPL driver, non-dm is > > > > > > allowed in future? > > > > > > > > > > We are very limited in space when CONFIG_SPL_DM is used on > > > > > imx6q-sabresd. > > > > > > > > > > With CONFIG_SPL_DM selected the size increase due to the three dtb's > > > > > is about 8kB. > > > > > > > > > > Even with CONFIG_SPL_DM disabled we ony have 1kB of free space, so I > > > > > still want to optimize the size further. > > > > > > > > So with CONFIG_SPL_DM we're overflowing by ~7kB? > > > > > > Well, the mandatory requirements here are as follow (AFAIK): > > > 1. keep one binary for all imx6dl imx6[qp|dl|q]-sabresd > > > 2. have DM support in SPL > > > > > > So I guess we have to either prioritize the other needed configs and > > > leave out the one we can do without. That, ofcourse, if we still want > > > to fit in and we still want one binary for all three sabresd boards. > > > > Well, no, you don't have to use DM in SPL. But what I'm wondering is if > > we need qp/dl/q specific information at the SPL stage or if that can > > wait until we're doing the real U-Boot. > > Is dcd table take space?
The DCD table is included in that hard size limit, but yes, if there's QP/DL/Q specific stuff that we could handle via the plugin mechanism or similar, that might be part of the solution. -- Tom
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