Update, recompiled with different name, and then overlay load appears to
work
/lib/firmware\> sudo sh -c "dtc -@ -O dtb -o cape-bone-pru-00A0.dtbo
BB-BONE-PRU-00A0.dts"
[19392.918341] bone-capemgr bone_capemgr.9: part_number 'BB-BONE-PRU',
version 'N/A'
[19392.918537] bone-capemgr bone_capemgr.9: slot #11: specific override
[19392.918610] bone-capemgr bone_capemgr.9: bone: Using override eeprom
data at slot 11
[19392.918662] bone-capemgr bone_capemgr.9: slot #11:
'Bone-Black-PRU,00A0,na,BB-BONE-PRU'
[19392.918969] bone-capemgr bone_capemgr.9: slot #11: Requesting firmware
'cape-bone-pru-00A0.dtbo' for board-name 'Bone-Black-PRU', version '00A0'
[19392.919456] bone-capemgr bone_capemgr.9: slot #11: dtbo
'cape-bone-pru-00A0.dtbo' loaded; converting to live tree
/lib/firmware\> cat $SLOTS
0: 54:PF---
1: 55:PF---
2: 56:PF---
3: 57:PF---
4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
5: ff:P-O-L Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
11: ff:P-O-L Bone-Black-PRU,00A0,na,BB-BONE-PRU
/lib/firmware\> sudo cat $PINS | g 44e10830
pin 12 (44e10830) 00000006 pinctrl-single
I don't understand why unless the name cape-bone-pru-00A0.dtbo is compiled
into device driver as an over-ride, but since this seems to work, I will go
on. Still any clarifications or ideas would be appreciated. Thanks.
Bit Pusher
On Wednesday, October 23, 2013 2:17:15 PM UTC-4, Bit Pusher wrote:
>
> Kernel Version: ubuntu-armhf 3.8.13-bone20
>
> Overlay File: BB-BONE-PRU-00A0.dts (shown below)
>
> Compile: sudo sh -c "dtc -@ -O dtb -o BB-BONE-PRU-00A0.dtbo
> BB-BONE-PRU-00A0.dts"
> worked as far as I can tell
>
> Loading:
> /lib/firmware\> echo $SLOTS
> /sys/devices/bone_capemgr.9/slots
> sudo sh -c "echo BB-BONE-PRU > $SLOTS"
> worked as far as I can tell except when dmesg examined
>
> Tail of dmesg
>
> [14899.144156] bone-capemgr bone_capemgr.9: part_number 'BB-BONE-PRU',
> version 'N/A'
> [14899.144246] bone-capemgr bone_capemgr.9: slot #10: specific override
> [14899.144271] bone-capemgr bone_capemgr.9: bone: Using override eeprom
> data at slot 10
> [14899.144289] bone-capemgr bone_capemgr.9: slot #10:
> 'Bone-Black-PRU,00A0,na,BB-BONE-PRU'
> [14899.144402] bone-capemgr bone_capemgr.9: slot #10: Requesting firmware
> 'cape-bone-pru-00A0.dtbo' for board-name 'Bone-Black-PRU', version '00A0'
> [14899.154045] bone-capemgr bone_capemgr.9: failed to load firmware
> 'cape-bone-pru-00A0.dtbo'
> /lib/firmware\>
>
> any ideas? Thanks.
> Bit Pusher
>
>
> /lib/firmware\> cat BB-BONE-PRU-00A0.dts
> /*
> * pru dts file BB-BONE-PRU-00A0.dts
> */
> /dts-v1/;
> /plugin/;
>
> / {
> compatible = "ti,beaglebone", "ti,beaglebone-black";
>
> /* identification */
> part-number = "BB-BONE-PRU";
> version = "00A0";
>
> exclusive-use =
> "P8.12";
>
> fragment@0 {
> target = <&am33xx_pinmux>;
> __overlay__ {
> mygpio: pinmux_mygpio{
> pinctrl-single,pins = <
> 0x30 0x06
> >;
> };
> };
> };
>
> fragment@1 {
> target = <&ocp>;
> __overlay__ {
> test_helper: helper {
> compatible = "bone-pinmux-helper";
> pinctrl-names = "default";
> pinctrl-0 = <&mygpio>;
> status = "okay";
> };
> };
> };
>
> fragment@2{
> target = <&pruss>;
> __overlay__ {
> status = "okay";
> };
> };
> };
>
>
--
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