R-Car/Boards/Yocto-Gen3-CommonFAQ/How to run the "Suspend to RAM"
How to run the "Suspend to RAM"
- ulcb# i2cset -f -y 7 0x30 0x20 0x0f
- ulcb# echo mem > /sys/power/state
- Power ON(SW8)
See also:
Log:
root@h3ulcb:~# i2cset -f -y 7 0x30 0x20 0x0f
root@h3ulcb:~# echo mem > /sys/power/state
[ 27.629078] PM: suspend entry (deep)
[ 27.656183] Filesystems sync: 0.023 seconds
[ 27.661306] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 27.669725] OOM killer disabled.
[ 27.672953] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 27.681560] printk: Suspending console(s) (use no_console_suspend to debug)
[ 0.000147] NOTICE: BL2: R-Car H3 Initial Program Loader(CA57)
[ 0.004583] NOTICE: BL2: Initial Program Loader(Rev.2.0.6)
[ 0.010116] NOTICE: BL2: PRR is R-Car H3 Ver.3.0
[ 0.014785] NOTICE: BL2: Board is Starter Kit Rev.1.0
[ 0.019897] NOTICE: BL2: Boot device is HyperFlash(80MHz)
[ 0.025324] NOTICE: BL2: LCM state is CM
[ 0.029366] NOTICE: BL2: AVS setting succeeded. DVFS_SetVID=0x53
[ 0.035341] NOTICE: BL2: CH0: 0x400000000 - 0x47fffffff, 2 GiB
[ 0.041203] NOTICE: BL2: CH1: 0x500000000 - 0x57fffffff, 2 GiB
[ 0.047078] NOTICE: BL2: CH2: 0x600000000 - 0x67fffffff, 2 GiB
[ 0.052953] NOTICE: BL2: CH3: 0x700000000 - 0x77fffffff, 2 GiB
[ 0.058843] NOTICE: BL2: DDR3200(rev.0.40)
[ 0.074269] NOTICE: BL2: [WARM_BOOT]
[ 0.084142] NOTICE: BL2: DRAM Split is 4ch(DDR f)
[ 0.087442] NOTICE: BL2: QoS is default setting(rev.0.11)
[ 0.092885] NOTICE: BL2: DRAM refresh interval 1.95 usec
[ 0.098242] NOTICE: BL2: Periodic Write DQ Training
[ 0.103270] NOTICE: BL2: Lossy Decomp areas
[ 0.107401] NOTICE: Entry 0: DCMPAREACRAx:0x80000540 DCMPAREACRBx:0x570
[ 0.114485] NOTICE: Entry 1: DCMPAREACRAx:0x40000000 DCMPAREACRBx:0x0
[ 0.121397] NOTICE: Entry 2: DCMPAREACRAx:0x20000000 DCMPAREACRBx:0x0
[ 0.128312] NOTICE: BL2: v1.5(release):af9f429-dirty
[ 0.133321] NOTICE: BL2: Built : 01:18:19, Jul 30 2020
[ 0.138508] NOTICE: BL2: Normal boot
[ 0.142140] NOTICE: BL2: Skip loading images. (SuspendToRAM)
[ 27.790852] Disabling non-boot CPUs ...
[ 27.791309] CPU1: shutdown
[ 27.808891] psci: Retrying again to check for CPU kill
[ 27.808896] psci: CPU1 killed.
[ 27.810293] CPU2: shutdown
[ 27.828905] psci: Retrying again to check for CPU kill
[ 27.828909] psci: CPU2 killed.
[ 27.830236] CPU3: shutdown
[ 27.848890] psci: Retrying again to check for CPU kill
[ 27.848894] psci: CPU3 killed.
[ 27.856891] CPU4: shutdown
[ 27.856897] psci: CPU4 killed.
[ 27.857923] CPU5: shutdown
[ 27.876890] psci: Retrying again to check for CPU kill
[ 27.876895] psci: CPU5 killed.
[ 27.878098] CPU6: shutdown
[ 27.896907] psci: Retrying again to check for CPU kill
[ 27.896911] psci: CPU6 killed.
[ 27.897971] CPU7: shutdown
[ 27.916887] psci: Retrying again to check for CPU kill
[ 27.916891] psci: CPU7 killed.
[ 27.917649] Enabling non-boot CPUs ...
[ 27.917876] Detected PIPT I-cache on CPU1
[ 27.917918] CPU1: Booted secondary processor 0x0000000001 [0x411fd073]
[ 27.918336] CPU1 is up
[ 27.918487] Detected PIPT I-cache on CPU2
[ 27.918506] CPU2: Booted secondary processor 0x0000000002 [0x411fd073]
[ 27.918791] CPU2 is up
[ 27.918937] Detected PIPT I-cache on CPU3
[ 27.918957] CPU3: Booted secondary processor 0x0000000003 [0x411fd073]
[ 27.919238] CPU3 is up
[ 27.919434] Detected VIPT I-cache on CPU4
[ 27.919478] CPU4: Booted secondary processor 0x0000000100 [0x410fd034]
[ 27.920065] CPU4 is up
[ 27.920211] Detected VIPT I-cache on CPU5
[ 27.920238] CPU5: Booted secondary processor 0x0000000101 [0x410fd034]
[ 27.920666] CPU5 is up
[ 27.920812] Detected VIPT I-cache on CPU6
[ 27.920838] CPU6: Booted secondary processor 0x0000000102 [0x410fd034]
[ 27.921381] CPU6 is up
[ 27.921532] Detected VIPT I-cache on CPU7
[ 27.921560] CPU7: Booted secondary processor 0x0000000103 [0x410fd034]
[ 27.922073] CPU7 is up
[ 28.031540] usb usb2: root hub lost power or was reset
[ 28.031654] usb usb1: root hub lost power or was reset
[ 28.409209] OOM killer enabled.
[ 28.412343] Restarting tasks ... done.
[ 28.416776] PM: suspend exit
root@h3ulcb:~#
