log

[[0;32m  OK  [0m] Found device [0;1;39m/dev/ttyS2[0m.
[   11.626249] at24 0-0050: supply vcc not found, using dummy regulator
[   11.667146] platform 41000000.r5f: R5F core may have been powered on by a different host, programmed state (0) != actual state (1)
[   11.668422] omap-mailbox 31f80000.mailbox: omap mailbox rev 0x66fc7100
[   11.704795] platform 41000000.r5f: configured R5F for IPC-only mode
[   11.711292] at24 0-0050: 512 byte 24c04 EEPROM, writable, 1 bytes/write
[   11.714146] platform 41000000.r5f: assigned reserved memory node r5f-dma-memory@a0000000
[   11.725252] omap-mailbox 31f81000.mailbox: omap mailbox rev 0x66fc7100
[   11.729978] remoteproc remoteproc9: 41000000.r5f is available
[   11.738641] omap_rng 4e10000.rng: Random Number Generator ver. 241b34c
[   11.750975] remoteproc remoteproc9: attaching to 41000000.r5f
[   11.809463] platform 41000000.r5f: R5F core initialized in IPC-only mode
[   11.825312] omap-mailbox 31f82000.mailbox: omap mailbox rev 0x66fc7100
[   11.833909] rproc-virtio rproc-virtio.2.auto: assigned reserved memory node r5f-dma-memory@a0000000
[   11.898660] virtio_rpmsg_bus virtio0: rpmsg host is online
[   11.916901] virtio_rpmsg_bus virtio0: creating channel ti.ipc4.ping-pong addr 0xd
[   11.917490] omap-mailbox 31f83000.mailbox: omap mailbox rev 0x66fc7100
[   11.924760] virtio_rpmsg_bus virtio0: creating channel rpmsg_chrdev addr 0xe
[   11.932480] rproc-virtio rproc-virtio.2.auto: registered virtio0 (type 7)
[   11.939621] omap-mailbox 31f84000.mailbox: omap mailbox rev 0x66fc7100
[   11.951654] k3-dsp-rproc 4d80800000.dsp: assigned reserved memory node c66-dma-memory@a7000000
[   11.962356] k3-dsp-rproc 4d80800000.dsp: configured DSP for remoteproc mode
[   11.974742] k3-dsp-rproc 4d80800000.dsp: local reset is deasserted for device
[   11.986812] remoteproc remoteproc7: 4d80800000.dsp is available
[   11.995054] k3-dsp-rproc 4d81800000.dsp: assigned reserved memory node c66-dma-memory@a6000000
[   12.008094] remoteproc remoteproc9: remote processor 41000000.r5f is now attached
[   12.015650] k3-dsp-rproc 4d81800000.dsp: configured DSP for remoteproc mode
[   12.022849] k3-dsp-rproc 4d81800000.dsp: local reset is deasserted for device
[   12.030069] remoteproc remoteproc7: powering up 4d80800000.dsp
[   12.036001] remoteproc remoteproc7: Booting fw image j7-c66_0-fw, size 144948
[   12.043618] remoteproc remoteproc8: 4d81800000.dsp is available
[   12.050088] k3-dsp-rproc 4d80800000.dsp: booting DSP core using boot addr = 0xa6200400
[   12.059947] k3-dsp-rproc 64800000.dsp: assigned reserved memory node c71-dma-memory@a8000000
[   12.068614] rproc-virtio rproc-virtio.3.auto: assigned reserved memory node c66-dma-memory@a7000000
[   12.078195] k3-dsp-rproc 64800000.dsp: configured DSP for remoteproc mode
[   12.087624] virtio_rpmsg_bus virtio1: rpmsg host is online
[   12.094445] remoteproc remoteproc8: powering up 4d81800000.dsp
[   12.100334] remoteproc remoteproc8: Booting fw image j7-c66_1-fw, size 144948
[   12.107595] remoteproc remoteproc0: 64800000.dsp is available
[   12.113438] rproc-virtio rproc-virtio.3.auto: registered virtio1 (type 7)
[   12.120331] remoteproc remoteproc7: remote processor 4d80800000.dsp is now up
[   12.179567] k3-dsp-rproc 4d81800000.dsp: booting DSP core using boot addr = 0xa7200400
[   12.188355] rproc-virtio rproc-virtio.4.auto: assigned reserved memory node c66-dma-memory@a6000000
[   12.216342] virtio_rpmsg_bus virtio2: rpmsg host is online
[   12.224711] virtio_rpmsg_bus virtio2: creating channel ti.ipc4.ping-pong addr 0xd
[   12.227767] rproc-virtio rproc-virtio.4.auto: registered virtio2 (type 7)
[   12.233707] virtio_rpmsg_bus virtio2: creating channel rpmsg_chrdev addr 0xe
[   12.249384] remoteproc remoteproc8: remote processor 4d81800000.dsp is now up
[   12.264764] platform 5c00000.r5f: configured R5F for remoteproc mode
[   12.324487] platform 5c00000.r5f: assigned reserved memory node r5f-dma-memory@a2000000
[   12.356352] remoteproc remoteproc2: 5c00000.r5f is available
[   12.387031] platform 5e00000.r5f: configured R5F for remoteproc mode
[   12.406262] platform 5e00000.r5f: assigned reserved memory node r5f-dma-memory@a4000000
[   12.433219] remoteproc remoteproc2: powering up 5c00000.r5f
[   12.438924] remoteproc remoteproc2: Booting fw image j7-main-r5f0_0-fw, size 691508
[   12.454934] rproc-virtio rproc-virtio.5.auto: assigned reserved memory node r5f-dma-memory@a2000000
[   12.469388] virtio_rpmsg_bus virtio3: rpmsg host is online
[   12.479786] rproc-virtio rproc-virtio.5.auto: registered virtio3 (type 7)
[   12.488353] remoteproc remoteproc2: remote processor 5c00000.r5f is now up
[   12.513513] remoteproc remoteproc5: 5e00000.r5f is available
[   12.519571] remoteproc remoteproc0: powering up 64800000.dsp
[   12.528216] remoteproc remoteproc0: Booting fw image j7-c71_0-fw, size 10489000
[   12.536368] remoteproc remoteproc0: unsupported resource 65538
[   12.544549] k3-dsp-rproc 64800000.dsp: booting DSP core using boot addr = 0xa8e00000
[   12.561456] rproc-virtio rproc-virtio.6.auto: assigned reserved memory node c71-dma-memory@a8000000
[   12.578636] remoteproc remoteproc5: powering up 5e00000.r5f
[   12.584427] remoteproc remoteproc5: Booting fw image j7-main-r5f1_0-fw, size 91496
[   12.595577] virtio_rpmsg_bus virtio4: rpmsg host is online
[   12.604818] rproc-virtio rproc-virtio.6.auto: registered virtio4 (type 7)
[   12.613282] rproc-virtio rproc-virtio.7.auto: assigned reserved memory node r5f-dma-memory@a4000000
[   12.624059] remoteproc remoteproc0: remote processor 64800000.dsp is now up
[   12.631550] virtio_rpmsg_bus virtio5: rpmsg host is online
[   12.638767] rproc-virtio rproc-virtio.7.auto: registered virtio5 (type 7)
[   12.646306] remoteproc remoteproc5: remote processor 5e00000.r5f is now up
[   12.887676] virtio_rpmsg_bus virtio5: creating channel ti.ipc4.ping-pong addr 0xd
[   12.895962] virtio_rpmsg_bus virtio5: creating channel rpmsg_chrdev addr 0xe
[   13.029253] cdns-mhdp8546 a000000.dp-bridge: invalid resource (null)
[   13.036259] cdns-mhdp8546 a000000.dp-bridge: Failed to get SAPB memory resource, HDCP not supported
[   13.087158] [drm] Initialized tidss 1.0.0 20180215 for 4a00000.dss on minor 0
[   13.095112] tidss 4a00000.dss: [drm] Cannot find any crtc or sizes
[   13.104968] tidss 4a00000.dss: [drm] Cannot find any crtc or sizes
[[0;32m  OK  [0m] Finished [0;1;39mRebuild Dynamic Linker Cache[0m.

testing change

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
index 66aac145e753..48f58df083e7 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
@@ -28,6 +28,15 @@ aliases {
                i2c1 = &main_i2c6;
                i2c2 = &main_i2c2;
                i2c3 = &main_i2c4;
+               remoteproc0 = &c71_0;
+               remoteproc1 = &mcu_r5fss0_core1;
+               remoteproc2 = &main_r5fss0_core0;
+               remoteproc4 = &main_r5fss0_core1;
+               remoteproc5 = &main_r5fss1_core0;
+               remoteproc6 = &main_r5fss1_core1;
+               remoteproc7 = &c66_0;
+               remoteproc8 = &c66_1;
+               remoteproc9 = &mcu_r5fss0_core0;
        };
 
        chosen {