target/linux/layerscape/patches-5.4/302-dts-0044-sdk-arm64-dts-reduce-usdpaa-memory-to-4K-for-LS1046-.patch

   1 From 97b563d9c0cf09897c1e7b793ef0fe677c66269a Mon Sep 17 00:00:00 2001
   2 From: Nipun Gupta <nipun.gupta@nxp.com>
   3 Date: Wed, 30 Jan 2019 19:18:13 +0530
   4 Subject: [PATCH] sdk: arm64: dts: reduce usdpaa memory to 4K for LS1046/43
   5
   6 This patch reducing the USDPAA reseved memory to 4K.
   7 In case USDPAA is to be used, 256MB needs to be reserved in the DTS file.
   8
   9 Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
  10 ---
  11  arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb-usdpaa.dts | 9 +++++++--
  12  arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb-usdpaa.dts | 9 +++++++--
  13  2 files changed, 14 insertions(+), 4 deletions(-)
  14
  15 --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb-usdpaa.dts
  16 +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb-usdpaa.dts
  17 @@ -113,11 +113,16 @@
  18                 #size-cells = <2>;
  19                 ranges;
  20
  21 +               /* For legacy usdpaa based use-cases, update the size and
  22 +                  alignment parameters. e.g. to allocate 256 MB memory:
  23 +                  size = <0 0x10000000>;
  24 +                  alignment = <0 0x10000000>;
  25 +               */
  26                 usdpaa_mem: usdpaa_mem {
  27                         compatible = "fsl,usdpaa-mem";
  28                         alloc-ranges = <0 0 0x10000 0>;
  29 -                       size = <0 0x10000000>;
  30 -                       alignment = <0 0x10000000>;
  31 +                       size = <0 0x1000>;
  32 +                       alignment = <0 0x1000>;
  33                 };
  34         };
  35  };
  36 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb-usdpaa.dts
  37 +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb-usdpaa.dts
  38 @@ -106,11 +106,16 @@
  39                 #size-cells = <2>;
  40                 ranges;
  41
  42 +               /* For legacy usdpaa based use-cases, update the size and
  43 +                  alignment parameters. e.g. to allocate 256 MB memory:
  44 +                  size = <0 0x10000000>;
  45 +                  alignment = <0 0x10000000>;
  46 +               */
  47                 usdpaa_mem: usdpaa_mem {
  48                         compatible = "fsl,usdpaa-mem";
  49                         alloc-ranges = <0 0 0x10000 0>;
  50 -                       size = <0 0x10000000>;
  51 -                       alignment = <0 0x10000000>;
  52 +                       size = <0 0x1000>;
  53 +                       alignment = <0 0x1000>;
  54                 };
  55         };
  56  };