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] <javascript:>>
> 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
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>>
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>>
>
>
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