ARM: dts: aspeed: minipack: Update 64MB FMC flash layout
authorTao Ren <rentao.bupt@gmail.com>
Mon, 24 Aug 2020 21:19:47 +0000 (14:19 -0700)
committerJoel Stanley <joel@jms.id.au>
Tue, 25 Aug 2020 04:20:17 +0000 (13:50 +0930)
Set 64Mb FMC flash layout in Minipack device tree explicitly because the
flash layout was removed from "ast2500-facebook-netbmc-common.dtsi".

Please note "data0" partition' size is updated to 4MB to be consistent
with other Facebook OpenBMC platforms.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824211948.12852-5-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts

index 88ce4ff..c34741d 100644 (file)
  */
 &fmc_flash0 {
        partitions {
-               data0@1c00000 {
-                       reg = <0x1c00000 0x2400000>;
+               compatible = "fixed-partitions";
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               /*
+                * u-boot partition: 384KB.
+                */
+               u-boot@0 {
+                       reg = <0x0 0x60000>;
+                       label = "u-boot";
                };
+
+               /*
+                * u-boot environment variables: 128KB.
+                */
+               u-boot-env@60000 {
+                       reg = <0x60000 0x20000>;
+                       label = "env";
+               };
+
+               /*
+                * FIT image: 59.5 MB.
+                */
+               fit@80000 {
+                       reg = <0x80000 0x3b80000>;
+                       label = "fit";
+               };
+
+               /*
+                * "data0" partition (4MB) is reserved for persistent
+                * data store.
+                */
+               data0@3800000 {
+                       reg = <0x3c00000 0x400000>;
+                       label = "data0";
+               };
+
+               /*
+                * "flash0" partition (covering the entire flash) is
+                * explicitly created to avoid breaking legacy applications.
+                */
                flash0@0 {
                        reg = <0x0 0x4000000>;
+                       label = "flash0";
                };
        };
 };
 
 &fmc_flash1 {
        partitions {
+               compatible = "fixed-partitions";
+               #address-cells = <1>;
+               #size-cells = <1>;
+
                flash1@0 {
                        reg = <0x0 0x4000000>;
                };