On Wed, Nov 27, 2019 at 09:28:16AM -0500, djordje senicic via
Lists.Yoctoproject.Org wrote:
> - CMEM memory block increased to 512MB to enable TIDL using 4xEVE and 2xDSP
>
> Signed-off-by: Djordje Senicic <[email protected]>
> ---
> recipes-kernel/linux/cmem.inc | 9 +++--
> .../linux/files/dra7xx/cmem-am572i.dtsi | 40 +++++++++++++++++++
> 2 files changed, 45 insertions(+), 4 deletions(-)
> create mode 100644 recipes-kernel/linux/files/dra7xx/cmem-am572i.dtsi
>
> diff --git a/recipes-kernel/linux/cmem.inc b/recipes-kernel/linux/cmem.inc
> index 8bd643f4..8d33fe35 100644
> --- a/recipes-kernel/linux/cmem.inc
> +++ b/recipes-kernel/linux/cmem.inc
> @@ -2,14 +2,15 @@
> #
> # Use these for temporary overrides
> CMEM_MACHINE = "${MACHINE}"
> -CMEM_MACHINE_am57xx-evm = "am571x am572x am574x"
> -CMEM_MACHINE_am57xx-hs-evm = "am571x am572x am574x"
> +CMEM_MACHINE_am57xx-evm = "am571x am572x am572i am574x"
> +CMEM_MACHINE_am57xx-hs-evm = "am571x am572x am572i am574x"
> CMEM_MACHINE_dra7xx-evm = "dra71x dra72x dra74x dra76x"
> CMEM_MACHINE_dra7xx-hs-evm = "dra71x dra72x dra74x dra76x"
>
> # Set cmem.dtsi per machine or machine variant
> CMEM_DTSI = "cmem.dtsi"
> CMEM_DTSI_am571x = "cmem-am571x.dtsi"
> +CMEM_DTSI_am572i = "cmem-am572i.dtsi"
Why not use the full "idk" instead of a single "i" in dtsi and machine names -
a single change from "x" to "i" is too subtle and can be missed/forgotten in
the future...
> CMEM_DTSI_am574x = "cmem-am574x.dtsi"
> CMEM_DTSI_dra71x = "cmem-dra71x.dtsi"
> CMEM_DTSI_dra72x = "cmem-dra72x.dtsi"
> @@ -18,8 +19,8 @@ CMEM_DTSI_dra76x = "cmem-dra76x.dtsi"
> # Split device trees between variants
> CMEM_DEVICETREE = "${KERNEL_DEVICETREE}"
> CMEM_DEVICETREE_am571x = "am571x-idk.dtb am571x-idk-lcd-osd101t2045.dtb
> am571x-idk-lcd-osd101t2587.dtb"
> -CMEM_DEVICETREE_am572x = "am57xx-beagle-x15.dtb am57xx-beagle-x15-revc.dtb \
> - am572x-idk.dtb am572x-idk-lcd-osd101t2045.dtb
> am572x-idk-lcd-osd101t2587.dtb"
> +CMEM_DEVICETREE_am572x = "am57xx-beagle-x15.dtb am57xx-beagle-x15-revc.dtb"
> +CMEM_DEVICETREE_am572i = "am572x-idk.dtb am572x-idk-lcd-osd101t2045.dtb
> am572x-idk-lcd-osd101t2587.dtb"
> CMEM_DEVICETREE_am574x = "am574x-idk.dtb am574x-idk-lcd-osd101t2587.dtb"
> CMEM_DEVICETREE_dra71x = "dra71-evm.dtb"
> CMEM_DEVICETREE_dra72x = "dra72-evm.dtb dra72-evm-lcd-osd101t2045.dtb
> dra72-evm-lcd-osd101t2587.dtb \
> diff --git a/recipes-kernel/linux/files/dra7xx/cmem-am572i.dtsi
> b/recipes-kernel/linux/files/dra7xx/cmem-am572i.dtsi
> new file mode 100644
> index 00000000..6c39e22c
> --- /dev/null
> +++ b/recipes-kernel/linux/files/dra7xx/cmem-am572i.dtsi
> @@ -0,0 +1,40 @@
> +/ {
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + cmem_block_mem_0: cmem_block_mem@a0000000 {
> + reg = <0x0 0xa0000000 0x0 0x20000000>;
> + no-map;
> + status = "okay";
> + };
> +
> + cmem_block_mem_1_ocmc3: cmem_block_mem@40500000 {
> + reg = <0x0 0x40500000 0x0 0x100000>;
> + no-map;
> + status = "okay";
> + };
> + };
> +
> + cmem {
> + compatible = "ti,cmem";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + #pool-size-cells = <2>;
> +
> + status = "okay";
> +
> + cmem_block_0: cmem_block@0 {
> + reg = <0>;
> + memory-region = <&cmem_block_mem_0>;
> + cmem-buf-pools = <1 0x0 0x20000000>;
> + };
> +
> + cmem_block_1: cmem_block@1 {
> + reg = <1>;
> + memory-region = <&cmem_block_mem_1_ocmc3>;
> + };
> + };
> +};
> --
> 2.17.1
>
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