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Fri May 4 08:06:13 EDT 2018

Comparing configurations


To see DTB parsed out:

tom@buildroot:~$ cd /tmp


Buildroot:
tom@buildroot:/tmp$ ~/gw_buildroot/target/bbb/host/bin/dtc ~/gw_buildroot/target/bbb/build/linux-4a10a494f997b8082afb37fcad1a8da62f28d865/arch/arm/boot/dts/am335x-boneblack.dtb >br.dts

Debian:
tom@buildroot:/tmp$ scp root@10.1.3.105:/boot/dtbs/4.9.82-ti-r102/am335x-boneblack.dtb .
tom@buildroot:/tmp$ ~/gw_buildroot/target/bbb/host/bin/dtc /tmp/am335x-boneblack.dtb >deb.dts

tom@buildroot:/tmp$ diff -Naur br.dts deb.dts 
--- br.dts      2018-05-04 12:17:18.877921596 +0000
+++ deb.dts     2018-05-04 12:17:26.901921876 +0000
@@ -2263,7 +2263,7 @@
                        #address-cells = <0x1>;
                        #size-cells = <0x1>;
                        ranges;
-                       status = "disabled";
+                       status = "okay";
                        linux,phandle = <0xe0>;
                        phandle = <0xe0>;
 
@@ -2274,7 +2274,7 @@
                                #address-cells = <0x1>;
                                #size-cells = <0x1>;
                                ranges;
-                               status = "disabled";
+                               status = "okay";
                                linux,phandle = <0xe1>;
                                phandle = <0xe1>;
 
@@ -2298,7 +2298,7 @@
                                        interrupt-parent = <0x4b>;
                                        interrupts = <0x10 0x11>;
                                        interrupt-names = "vring", "kick";
-                                       status = "disabled";
+                                       status = "okay";
                                        linux,phandle = <0xe2>;
                                        phandle = <0xe2>;
                                };
@@ -2311,7 +2311,7 @@
                                        interrupt-parent = <0x4b>;
                                        interrupts = <0x12 0x13>;
                                        interrupt-names = "vring", "kick";
-                                       status = "disabled";
+                                       status = "okay";
                                        linux,phandle = <0xe3>;
                                        phandle = <0xe3>;
                                };

OK, so they are just off.


Next: create a DTS to override the default.




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