Messages in this thread | | | Date | Wed, 27 Sep 2023 20:52:01 +0530 | Subject | Re: [PATCH v4 7/9] arm64: dts : ti: k3-am68-sk-som: Add DDR carveout memory nodes for C71x DSP | From | "Kumar, Udit" <> |
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On 9/6/2023 4:54 PM, Apurva Nandan wrote: > Two carveout reserved memory nodes each have been added for each of the > C71x DSP for the TI K3 AM68 SK boards. These nodes are assigned to the > respective rproc device nodes as well. The first region will be used as > the DMA pool for the rproc device, and the second region will furnish > the static carveout regions for the firmware memory. > > The current carveout addresses and sizes are defined statically for each > device. The C71x DSP processor supports a MMU called CMMU, but is not > currently supported and as such requires the exact memory used by the > firmware to be set-aside. > > Signed-off-by: Sinthu Raja <sinthu.raja@ti.com> > Signed-off-by: Apurva Nandan <a-nandan@ti.com> > --- > arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 52 ++++++++++++++++++++++ > 1 file changed, 52 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > index beab405274ab..20861a0a46b0 100644 > --- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > @@ -98,6 +98,30 @@ main_r5fss1_core1_memory_region: r5f-memory@a5100000 { > no-map; > };
Reviewed by: Udit Kumar<u-kumar1@ti.com>
> [...]
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