On Mon, Jul 10, 2017 at 10:44:47AM +0200, Geert Uytterhoeven wrote: > Hi Simon, > > On Mon, Jul 10, 2017 at 10:39 AM, Simon Horman <horms@xxxxxxxxxxxx> wrote: > > On Tue, Jul 04, 2017 at 06:44:48PM +0200, Geert Uytterhoeven wrote: > >> On Tue, Jul 4, 2017 at 5:41 PM, Geert Uytterhoeven > >> <geert+renesas@xxxxxxxxx> wrote: > >> > The R-Car Gen2 platform code for CPU core bringup needs to copy a jump > >> > stub to on-SoC SRAM. Currently it uses a hardcoded address pointing to > >> > ICRAM1. > >> > > >> > This patch series adds support to specify this region from DT. It > >> > consists of 3 parts: > >> > - DT binding documentation for reserving SRAM for the jump stub, > >> > - A platform code update to retrieve the information from DT, if > >> > present (of course backwards-compatibility with old DTBs is > >> > preserved), > >> > - DT updates to reserve an SRAM region in DT on all R-Car Gen2 and > >> > RZ/G1 SoCs. > >> > > >> > The DT patches in this series depend on "[PATCH 0/7] ARM: dts: renesas: > >> > Add Inter Connect RAM". > >> > > >> > Note that the current jump stub in Linux is 12 bytes long. The patches > >> > reserve 16 bytes of SRAM. Should this be increased? The mapping > >> > granularity is PAGE_SIZE anyway. > >> > > >> > Thanks for your comments! > >> > > >> > Geert Uytterhoeven (9): > >> > dt-bindings: sram: Document renesas,smp-sram > >> > ARM: shmobile: rcar-gen2: Obtain jump stub region from DT > >> > ARM: dts: r8a7743: Reserve SRAM for the SMP jump stub > >> > ARM: dts: r8a7745: Reserve SRAM for the SMP jump stub > >> > ARM: dts: r8a7790: Reserve SRAM for the SMP jump stub > >> > ARM: dts: r8a7791: Reserve SRAM for the SMP jump stub > >> > ARM: dts: r8a7792: Reserve SRAM for the SMP jump stub > >> > ARM: dts: r8a7793: Reserve SRAM for the SMP jump stub > >> > ARM: dts: r8a7794: Reserve SRAM for the SMP jump stub > >> > >> Forgot to mention: this has been tested on r8a7790/lager, r8a7791/koelsch, > >> r8a7792/blanche, r8a7793/gose, and r8a7794/alt (r8a7794 needs an > >> unrelated fix to enable SMP). > > > > Geert, these seem nice and clean to me. > > Are they ready to be applied? > > Now the binding has been Acked by Rob, I think they are. > Thanks! Thanks, all patches accepted for v4.14. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
