It'll probably be in one of the board, or board related overlay files. That is, the overlay that is loaded at boot to bring up various bits of hardware. For instance . . .
william@beaglebone:~/dev$ cat /boot/uEnv.txt |grep dtb #dtb= ##BeagleBone Black/Green dtb's for v4.1.x (BeagleBone White just works..) dtb=am335x-boneblack-emmc-overlay.dtb #dtb=am335x-boneblack-hdmi-overlay.dtb #dtb=am335x-boneblack-nhdmi-overlay.dtb #dtb=am335x-boneblack-overlay.dtb #dtb=am335x-boneblack-wl1835mod.dtb #dtb=am335x-bonegreen-overlay.dtb On Tue, Dec 13, 2016 at 6:45 AM, malkowki <[email protected]> wrote: > Hello William, > > I don't see where I can make some changes in my original DTS file in order > to extemd the Extram to 8 MB. > See below my dts, can you help on this? > > Thanks, > > /dts-v1/; > /plugin/; > > / { > compatible = "ti,beaglebone", "ti,beaglebone-black", > "ti,beaglebone-green"; > > /* identification */ > part-number = "BB-PRU-CONFIG"; > version = "00A0"; > > /* state the resources this cape uses */ > exclusive-use = > /* the pin header P8 uses */ > > "P8.27", /* PRU 1 r3*_8 default IN */ > "P8.28", /* PRU 1 r3*_10 default IN */ > "P8.29", /* PRU 1 r3*_9 default IN */ > > "P8.39", /* PRU 1 r3*_6 default OUT */ > "P8.40", /* PRU 1 r3*_7 default OUT */ > "P8.41", /* PRU 1 r3*_4 default OUT */ > "P8.42", /* PRU 1 r3*_5 default OUT */ > "P8.43", /* PRU 1 r3*_2 default OUT */ > "P8.44", /* PRU 1 r3*_3 default OUT */ > "P8.45", /* PRU 1 r3*_0 default OUT */ > "P8.46", /* PRU 1 r3*_1 default OUT */ > > /* the pin header P9 uses */ > > "P9.27", /* PRU 0 r3*_5 default IN */ > > "P9.28", /* PRU 0 r3*_3 default IN */ > > "P9.29", /* PRU 0 r3*_1 default OUT */ > "P9.30", /* PRU 0 r3*_2 default OUT */ > "P9.31", /* PRU 0 r3*_0 default OUT */ > > "P9.41", /*(mode B) PRU 0 r3*_6 default IN */ > "P9.42"; /*(mode B) PRU 0 r3*_4 default IN */ > > fragment@0 { > target = <&am33xx_pinmux>; > __overlay__ { > > config_pins: pinmux_config_pins{ > pinctrl-single,pins = < > /* The pin header P8 uses and PRU 1 part */ > > /* Input part */ > 0x0e0 0x26 // P8_27 pr1_pru1_pru_r31_8, MODE6 | > INPUT | PRU 00100110=0x26 > 0x0e8 0x26 // P8_28 pr1_pru1_pru_r31_10,MODE6 | > INPUT | PRU 00100110=0x26 > 0x0e4 0x26 // P8_29 pr1_pru1_pru_r31_9, MODE6 | > INPUT | PRU 00100110=0x26 > > /* Output part */ > 0x0b8 0x05 // P8_39 pr1_pru1_pru_r30_6, MODE5 | > OUTPUT | PRU 00000101=0x05 > 0x0bc 0x05 // P8_40 pr1_pru1_pru_r30_7, MODE5 | > OUTPUT | PRU 00000101=0x05 > 0x0b0 0x05 // P8_41 pr1_pru1_pru_r30_4, MODE5 | > OUTPUT | PRU 00000101=0x05 > 0x0b4 0x05 // P8_42 pr1_pru1_pru_r30_5, MODE5 | > OUTPUT | PRU 00000101=0x05 > 0x0a8 0x05 // P8_43 pr1_pru1_pru_r30_2, MODE5 | > OUTPUT | PRU 00000101=0x05 > > 0x0ac 0x05 // P8_44 pr1_pru1_pru_r30_3, MODE5 | > OUTPUT | PRU 00000101=0x05 > 0x0a0 0x05 // P8_45 pr1_pru1_pru_r30_0, MODE5 | > OUTPUT | PRU 00000101=0x05 > 0x0a4 0x05 // P8_46 pr1_pru1_pru_r30_1, MODE5 | > OUTPUT | PRU 00000101=0x05 > > > /* The pin header P9 uses and PRU 0 part */ > > /* Input part */ > 0x1a4 0x26 // P9_27 pr1_pru0_pru_r31_5, MODE6 | > INPUT | PRU 00100110=0x26 > > 0x19C 0x26 // P9_28 pr1_pru0_pru_r31_3, MODE6 | > INPUT | PRU 00100110=0x26 > 0x1a8 0x26 // P9_41B pr1_pru0_pru_r31_6, MODE6 | > INPUT | PRU 00100110=0x26 > 0x164 0x27 // gpio0[7] MODE7 | > INPUT | PRU 00100111=0x27 > 0x1a0 0x26 // P9_42B pr1_pru0_pru_r31_4, MODE6 | > INPUT | PRU 00100110=0x26 > > > /* Output part */ > 0x194 0x05 // P9_29 pr1_pru0_pru_r30_1, MODE5 | > OUTPUT | PRU 00001101=0x05 > 0x198 0x05 // P9_30 pr1_pru0_pru_r30_2, MODE5 | > OUTPUT | PRU 00001101=0x05 > 0x190 0x05 // P9_31 pr1_pru0_pru_r30_0, MODE5 | > OUTPUT | PRU 00001101=0x05 > > > >; > }; > > }; > }; > > //Allowed us to have the differents uio > fragment@1{ > target = <&pruss>; > __overlay__{ > status = "okay"; > pinctrl-names = "default"; > }; > }; > > //Make the uio working > fragment@2 { > target = <&ocp>; > __overlay__ { > #address-cells = <1>; > #size-cells = <1>; > > gpio_keys { > compatible = "gpio-keys"; > pinctrl-names = "default"; > pinctrl-0 = <&config_pins>; > #address-cells = <1>; > #size-cells = <0>; > }; > > }; > }; > > > }; > > > > Le lundi 12 décembre 2016 20:05:05 UTC+1, William Hermans a écrit : >> >> I suspect that you need to make these changes in the overlay file you use >> to initially configure the PRU's. >> >> On Mon, Dec 12, 2016 at 9:39 AM, TJF <[email protected]> wrote: >> >>> Hi malkowki! >>> >>> Sorry, I cannot really help. Just some info: The same commands work well >>> for me on several kernel versions (3.8, 4.1 and 4.4, but no rt). I use them >>> often and I always get the first two messages >>> >>> Am Montag, 12. Dezember 2016 10:32:31 UTC+1 schrieb malkowki: >>>> >>>> [ 749.642962] pruss_uio 4a300000.pruss: Unbalanced pm_runtime_enable! >>>> [ 749.643073] pruss_uio 4a300000.pruss: pins are not configured from >>>> the driver >>>> >>> >>> But I never got the fault message >>> >>> >>>> [ 763.164615] Unhandled fault: external abort on non-linefetch (0x1018 >>>> ) at 0xb6e33000 >>>> [ 763.172351] pgd = ddde8000 >>>> [ 763.175081] [b6e33000] *pgd=9c27e831, *pte=4a304303, *ppte=4a304a33 >>>> >>> >>> I wonder why the fault comes with some delay (> 5 s). >>> >>> Regards >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/beagleboard/7db92f8b-21cd-4193-9569-f24c62f2080f%40googlegroups.com >>> <https://groups.google.com/d/msgid/beagleboard/7db92f8b-21cd-4193-9569-f24c62f2080f%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/c20b8356-cebb-4b23-bb8c-20c352e76fba%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/c20b8356-cebb-4b23-bb8c-20c352e76fba%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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