Re: [PATCH] arm64: zynqmp: Used fixed-partitions for QSPI in k26

po 20. 6. 2022 v 15:46 odesílatel Michal Simek monstr@monstr.eu napsal:

Using fixed partitions is recommended way how to describe QSPI. Also add label for qspi flash memory to be able to reference it in future.

Signed-off-by: Michal Simek michal.simek@amd.com

arch/arm/dts/zynqmp-sm-k26-revA.dts | 163 +++++++++++++++------------- 1 file changed, 85 insertions(+), 78 deletions(-)

diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts b/arch/arm/dts/zynqmp-sm-k26-revA.dts index 7c2bfa395da7..ac349a9dcc5d 100644 --- a/arch/arm/dts/zynqmp-sm-k26-revA.dts +++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts @@ -130,7 +130,7 @@

&qspi { /* MIO 0-5 - U143 */ status = "okay";

•   flash@0 { /* MT25QU512A */
  

•   spi_flash: flash@0 { /* MT25QU512A */
            compatible = "mt25qu512a", "jedec,spi-nor"; /* 64MB */
            #address-cells = <1>;
            #size-cells = <1>;
  

@@ -138,83 +138,90 @@ spi-tx-bus-width = <4>; spi-rx-bus-width = <4>; spi-max-frequency = <40000000>; /* 40MHz */

•           partition@0 {
  

•                   label = "Image Selector";
  

•                   reg = <0x0 0x80000>; /* 512KB */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@80000 {
  

•                   label = "Image Selector Golden";
  

•                   reg = <0x80000 0x80000>; /* 512KB */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@100000 {
  

•                   label = "Persistent Register";
  

•                   reg = <0x100000 0x20000>; /* 128KB */
  

•           };
  

•           partition@120000 {
  

•                   label = "Persistent Register Backup";
  

•                   reg = <0x120000 0x20000>; /* 128KB */
  

•           };
  

•           partition@140000 {
  

•                   label = "Open_1";
  

•                   reg = <0x140000 0xC0000>; /* 768KB */
  

•           };
  

•           partition@200000 {
  

•                   label = "Image A (FSBL, PMU, ATF, U-Boot)";
  

•                   reg = <0x200000 0xD00000>; /* 13MB */
  

•           };
  

•           partition@f00000 {
  

•                   label = "ImgSel Image A Catch";
  

•                   reg = <0xF00000 0x80000>; /* 512KB */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@f80000 {
  

•                   label = "Image B (FSBL, PMU, ATF, U-Boot)";
  

•                   reg = <0xF80000 0xD00000>; /* 13MB */
  

•           };
  

•           partition@1c80000 {
  

•                   label = "ImgSel Image B Catch";
  

•                   reg = <0x1C80000 0x80000>; /* 512KB */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@1d00000 {
  

•                   label = "Open_2";
  

•                   reg = <0x1D00000 0x100000>; /* 1MB */
  

•           };
  

•           partition@1e00000 {
  

•                   label = "Recovery Image";
  

•                   reg = <0x1E00000 0x200000>; /* 2MB */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@2000000 {
  

•                   label = "Recovery Image Backup";
  

•                   reg = <0x2000000 0x200000>; /* 2MB */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@2200000 {
  

•                   label = "U-Boot storage variables";
  

•                   reg = <0x2200000 0x20000>; /* 128KB */
  

•           };
  

•           partition@2220000 {
  

•                   label = "U-Boot storage variables backup";
  

•                   reg = <0x2220000 0x20000>; /* 128KB */
  

•           };
  

•           partition@2240000 {
  

•                   label = "SHA256";
  

•                   reg = <0x2240000 0x10000>; /* 256B but 64KB sector */
  

•                   read-only;
  

•                   lock;
  

•           };
  

•           partition@2250000 {
  

•                   label = "User";
  

•                   reg = <0x2250000 0x1db0000>; /* 29.5 MB */
  

•           partitions {
  

•                   compatible = "fixed-partitions";
  

•                   #address-cells = <1>;
  

•                   #size-cells = <1>;
  

•                   partition@0 {
  

•                           label = "Image Selector";
  

•                           reg = <0x0 0x80000>; /* 512KB */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@80000 {
  

•                           label = "Image Selector Golden";
  

•                           reg = <0x80000 0x80000>; /* 512KB */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@100000 {
  

•                           label = "Persistent Register";
  

•                           reg = <0x100000 0x20000>; /* 128KB */
  

•                   };
  

•                   partition@120000 {
  

•                           label = "Persistent Register Backup";
  

•                           reg = <0x120000 0x20000>; /* 128KB */
  

•                   };
  

•                   partition@140000 {
  

•                           label = "Open_1";
  

•                           reg = <0x140000 0xC0000>; /* 768KB */
  

•                   };
  

•                   partition@200000 {
  

•                           label = "Image A (FSBL, PMU, ATF, U-Boot)";
  

•                           reg = <0x200000 0xD00000>; /* 13MB */
  

•                   };
  

•                   partition@f00000 {
  

•                           label = "ImgSel Image A Catch";
  

•                           reg = <0xF00000 0x80000>; /* 512KB */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@f80000 {
  

•                           label = "Image B (FSBL, PMU, ATF, U-Boot)";
  

•                           reg = <0xF80000 0xD00000>; /* 13MB */
  

•                   };
  

•                   partition@1c80000 {
  

•                           label = "ImgSel Image B Catch";
  

•                           reg = <0x1C80000 0x80000>; /* 512KB */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@1d00000 {
  

•                           label = "Open_2";
  

•                           reg = <0x1D00000 0x100000>; /* 1MB */
  

•                   };
  

•                   partition@1e00000 {
  

•                           label = "Recovery Image";
  

•                           reg = <0x1E00000 0x200000>; /* 2MB */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@2000000 {
  

•                           label = "Recovery Image Backup";
  

•                           reg = <0x2000000 0x200000>; /* 2MB */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@2200000 {
  

•                           label = "U-Boot storage variables";
  

•                           reg = <0x2200000 0x20000>; /* 128KB */
  

•                   };
  

•                   partition@2220000 {
  

•                           label = "U-Boot storage variables backup";
  

•                           reg = <0x2220000 0x20000>; /* 128KB */
  

•                   };
  

•                   partition@2240000 {
  

•                           label = "SHA256";
  

•                           reg = <0x2240000 0x10000>; /* 256B but 64KB sector */
  

•                           read-only;
  

•                           lock;
  

•                   };
  

•                   partition@2250000 {
  

•                           label = "User";
  

•                           reg = <0x2250000 0x1db0000>; /* 29.5 MB */
  

•                   };
            };
    };
  

};

2.36.1

Applied. M