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器件型号：AM3356 工具与软件：
你好、专家
我们无法通过定制电路板上的内核6.1.46进入睡眠(待机)模式。
我们如何进入睡眠模式？
对于内核4.19和5.10、我们可以进入板载的睡眠模式。
SDK 版本：
09.01.00.001
电路板：
开发板
内核版本：
$ uname -a Linux am335x-evm 6.1.46-g1d4b5da681 #2 PREEMPT Tue Nov 5 15:47:28 JST 2024 armv7l GNU/Linux
操作和错误消息：
$ echo standby > /sys/power/state bash: echo: write error: Invalid argument
sleep.conf：
$ cat /etc/systemd/sleep.conf [Sleep] SuspendState=standby
设备树：
&wkup_m3_ipc {
ti,scale-data-fw = "am335x-evm-scale-data.bin";
};
or
&wkup_m3_ipc {
ti,scale-data-fw = "am335x-boneblack-scale-data.bin";
};
or
&wkup_m3_ipc {
firmware-name = "am335x-evm-scale-data.bin";
};
/lib/firmware 的 LS：
am335x-bone-scale-data.bin am335x-evm-scale-data.bin am335x-pm-firmware.elf am43x-evm-scale-data.bin inv_dmpfirmware.bin regulatory.db regulatory.db.p7s ti-connectivity/
dmesg 输出中的一段摘录：
[ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.1.46-g1d4b5da681 (katsu@pck-134) (arm-oe-linux-gnueabi-gcc (GCC) 11.4.0, GNU ld (GNU Binutils) 2.38.20220708) #2 PREEMPT Tue Nov 5 15:47:28 JST 2024 [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: JRCM AM335x JRN-430K [ 0.000000] Memory policy: Data cache writeback [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 64 MiB at 0x88800000 [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] CPU: All CPU(s) started in SVC mode. ... [ 0.163293] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.613646] remoteproc remoteproc0: wkup_m3 is available ... [ 1.071960] edma 49000000.dma: TI EDMA DMA engine driver ... [ 3.261695] remoteproc remoteproc0: powering up wkup_m3 [ 3.267221] remoteproc remoteproc0: Direct firmware load for am335x-pm-firmware.elf failed with error -2 [ 3.379025] remoteproc remoteproc0: Falling back to sysfs fallback for: am335x-pm-firmware.elf [ 3.391467] input: wakeup_pins as /devices/platform/wakeup_pins/input/input0 ... [ 24.433096] PM: Cannot get wkup_m3_ipc handle [ 25.345573] PM: Cannot get wkup_m3_ipc handle [ 44.610947] PM: Cannot get wkup_m3_ipc handle [ 64.491064] remoteproc remoteproc0: request_firmware failed: -110 [ 64.497362] wkup_m3_ipc 44e11324.wkup_m3_ipc: rproc_boot failed
内核配置：
# Firmware Loading from rootfs CONFIG_FW_LOADER_USER_HELPER=y CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y # AMx3 Power Config Options CONFIG_MAILBOX=y CONFIG_OMAP2PLUS_MBOX=y CONFIG_WKUP_M3_RPROC=y CONFIG_SOC_TI=y CONFIG_WKUP_M3_IPC=y CONFIG_TI_EMIF_SRAM=y/m CONFIG_AMX3_PM=y/m CONFIG_RTC_DRV_OMAP=y/m
此致、
Katsuyama
