CCCSending /srv/serial/u-boot-spl.bin, 784 blocks: Give your local XMODEM receive command now. Transfer complete t SPL 2013.04-00235-g48e0b2b (May 18 2013 - 18:06:38) musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Peripheral mode controller at 47401000 using PIO, IRQ 0 musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Host mode controller at 47401800 using PIO, IRQ 0 CSending: u-boot.bin Sending: Transfer complete m - CRC mode, 3(SOH)/375(STX)/0(CAN) packets, 3 retries Loaded 384084 bytes U-Boot 2013.04-00235-g48e0b2b (May 18 2013 - 18:06:38) I2C: ready DRAM: 256 MiB WARNING: Caches not enabled NAND: No NAND device found!!! 0 MiB MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 *** Warning - readenv() failed, using default environment musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Peripheral mode controller at 47401000 using PIO, IRQ 0 musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Host mode controller at 47401800 using PIO, IRQ 0 Net: not set. Validating first E-fuse MAC cpsw, usb_ether Hit any key to stop autoboot: 1  0 U-Boot# U-Boot# setenv autoload off; setenv serverip 192.168.57.1; dhcp cpsw Waiting for PHY auto negotiation to complete. done link up on port 0, speed 100, full duplex BOOTP broadcast 1 DHCP client bound to address 192.168.57.138 U-Boot# tftp 0x81000000 zImage.omap2plus_defconfig link up on port 0, speed 100, full duplex Using cpsw device TFTP from server 192.168.57.1; our IP address is 192.168.57.138 Filename 'zImage.omap2plus_defconfig'. Load address: 0x81000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ############################################## 1009.8 KiB/s done Bytes transferred = 4491384 (448878 hex) U-Boot# tftp 0x82000000 am335x-bone.dtb link up on port 0, speed 100, full duplex Using cpsw device TFTP from server 192.168.57.1; our IP address is 192.168.57.138 Filename 'am335x-bone.dtb'. Load address: 0x82000000 Loading: *### 897.5 KiB/s done Bytes transferred = 29409 (72e1 hex) U-Boot# setenv bootargs console=ttyO0,115200n8 rw debug ignore_loglevel earlyprintk root=/dev/nfs nfsroot=192.168.57.1:/srv/nfs4/rootfs2 nfsrootdebug ip=dhcp U-Boot# U-Boot# bootz 0x81000000 - 0x82000000 ## Flattened Device Tree blob at 82000000 Booting using the fdt blob at 0x82000000 Using Device Tree in place at 82000000, end 8200a2e0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.0.0-rc4-129971-g06e5801 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sun Mar 15 23:37:26 MDT 2015 [ 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] Machine model: TI AM335x BeagleBone [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] cma: Reserved 16 MiB at 0x8e800000 [ 0.000000] Memory policy: Data cache writeback [ 0.000000] On node 0 totalpages: 65280 [ 0.000000] free_area_init_node: node 0, pgdat c08faf80, node_mem_map cfcb1000 [ 0.000000] Normal zone: 576 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 65280 pages, LIFO batch:15 [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] AM335X ES1.0 (sgx neon ) [ 0.000000] PERCPU: Embedded 12 pages/cpu @cfc5e000 s18496 r8192 d22464 u49152 [ 0.000000] pcpu-alloc: s18496 r8192 d22464 u49152 alloc=12*4096 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64704 [ 0.000000] Kernel command line: console=ttyO0,115200n8 rw debug ignore_loglevel earlyprintk root=/dev/nfs nfsroot=192.168.57.1:/srv/nfs4/rootfs2 nfsrootdebug ip=dhcp [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes) [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) [ 0.000000] Memory: 224396K/261120K available (5892K kernel code, 595K rwdata, 2264K rodata, 432K init, 8219K bss, 20340K reserved, 16384K cma-reserved, 0K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc07ff5c0 (8158 kB) [ 0.000000] .init : 0xc0800000 - 0xc086c000 ( 432 kB) [ 0.000000] .data : 0xc086c000 - 0xc0900e28 ( 596 kB) [ 0.000000] .bss : 0xc0900e28 - 0xc1107b90 (8220 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Additional per-CPU info printed with stalls. [ 0.000000] RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts [ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz [ 0.000018] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956969942ns [ 0.000097] OMAP clocksource: timer1 at 24000000 Hz [ 0.001431] Console: colour dummy device 80x30 [ 0.001521] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001536] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001550] ... MAX_LOCK_DEPTH: 48 [ 0.001563] ... MAX_LOCKDEP_KEYS: 8191 [ 0.001577] ... CLASSHASH_SIZE: 4096 [ 0.001590] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.001603] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.001616] ... CHAINHASH_SIZE: 32768 [ 0.001630] memory used by lock dependency info: 5167 kB [ 0.001644] per task-struct memory footprint: 1152 bytes [ 0.001682] Calibrating delay loop... 548.04 BogoMIPS (lpj=2740224) [ 0.108231] pid_max: default: 32768 minimum: 301 [ 0.108784] Security Framework initialized [ 0.109052] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.109079] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.113843] Initializing cgroup subsys blkio [ 0.113907] Initializing cgroup subsys memory [ 0.114052] Initializing cgroup subsys devices [ 0.114212] Initializing cgroup subsys freezer [ 0.114414] Initializing cgroup subsys perf_event [ 0.114535] CPU: Testing write buffer coherency: ok [ 0.116631] CPU0: thread -1, cpu 0, socket -1, mpidr 0 [ 0.116802] Setting up static identity map for 0x80595ac8 - 0x80595b38 [ 0.122523] Brought up 1 CPUs [ 0.122556] SMP: Total of 1 processors activated (548.04 BogoMIPS). [ 0.122574] CPU: All CPU(s) started in SVC mode. [ 0.127310] devtmpfs: initialized [ 0.131435] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 [ 0.194342] omap_hwmod: tptc0 using broken dt data from edma [ 0.195005] omap_hwmod: tptc1 using broken dt data from edma [ 0.195646] omap_hwmod: tptc2 using broken dt data from edma [ 0.207180] omap_hwmod: debugss: _wait_target_disable failed [ 0.269532] pinctrl core: initialized pinctrl subsystem [ 0.323540] NET: Registered protocol family 16 [ 0.333855] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.337132] cpuidle: using governor ladder [ 0.337173] cpuidle: using governor menu [ 0.349010] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.350465] OMAP GPIO hardware version 0.1 [ 0.352604] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.355768] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.359047] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.379520] No ATAGs? [ 0.379564] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.446830] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver [ 0.447999] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixedregulator@0[0]' [ 0.453566] SCSI subsystem initialized [ 0.454701] libata version 3.00 loaded. [ 0.456325] omap_i2c 44e0b000.i2c: could not find pctldev for node /pinmux@44e10800/pinmux_i2c0_pins, deferring probe [ 0.456384] platform 44e0b000.i2c: Driver omap_i2c requests probe deferral [ 0.462962] Switched to clocksource timer1 [ 0.691091] NET: Registered protocol family 2 [ 0.694148] TCP established hash table entries: 2048 (order: 1, 8192 bytes) [ 0.694421] TCP bind hash table entries: 2048 (order: 4, 73728 bytes) [ 0.695662] TCP: Hash tables configured (established 2048 bind 2048) [ 0.695959] TCP: reno registered [ 0.696005] UDP hash table entries: 256 (order: 2, 20480 bytes) [ 0.696349] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes) [ 0.697987] NET: Registered protocol family 1 [ 0.700334] RPC: Registered named UNIX socket transport module. [ 0.700365] RPC: Registered udp transport module. [ 0.700382] RPC: Registered tcp transport module. [ 0.700399] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.703599] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available [ 0.710294] futex hash table entries: 256 (order: 2, 16384 bytes) [ 0.710726] audit: initializing netlink subsys (disabled) [ 0.711103] audit: type=2000 audit(0.700:1): initialized [ 0.718344] VFS: Disk quotas dquot_6.5.2 [ 0.718593] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.722231] NFS: Registering the id_resolver key type [ 0.723053] Key type id_resolver registered [ 0.723082] Key type id_legacy registered [ 0.723390] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.730494] io scheduler noop registered [ 0.730540] io scheduler deadline registered [ 0.730622] io scheduler cfq registered (default) [ 0.733812] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568 [ 0.737541] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.747124] omap_uart 44e09000.serial: no wakeirq for uart0 [ 0.747184] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@44e09000[0]' [ 0.748042] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 154, base_baud = 3000000) is a OMAP UART0 [ 1.516935] console [ttyO0] enabled [ 1.568419] brd: module loaded [ 1.599597] loop: module loaded [ 1.606657] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.621769] mousedev: PS/2 mouse device common for all mice [ 1.627794] i2c /dev entries driver [ 1.631874] Driver 'mmcblk' needs updating - please use bus_type methods [ 1.640693] omap_hsmmc 48060000.mmc: GPIO lookup for consumer cd [ 1.647123] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup [ 1.654069] of_get_named_gpiod_flags: parsed 'cd-gpios' property of node '/ocp/mmc@48060000[0]' - status (0) [ 1.664563] omap_hsmmc 48060000.mmc: Got CD GPIO [ 1.669422] omap_hsmmc 48060000.mmc: GPIO lookup for consumer wp [ 1.675785] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup [ 1.682640] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@48060000[0]' [ 1.692265] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@48060000[0]' [ 1.701792] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup [ 1.709053] omap_hsmmc 48060000.mmc: lookup for GPIO wp failed [ 1.716619] omap_hsmmc 48060000.mmc: unable to get vmmc regulator -517 [ 1.724515] platform 48060000.mmc: Driver omap_hsmmc requests probe deferral [ 1.732308] ledtrig-cpu: registered to indicate activity on CPUs [ 1.740547] oprofile: using arm/armv7 [ 1.745540] TCP: cubic registered [ 1.749083] Initializing XFRM netlink socket [ 1.753870] NET: Registered protocol family 17 [ 1.758651] NET: Registered protocol family 15 [ 1.763877] Key type dns_resolver registered [ 1.768754] omap_voltage_late_init: Voltage driver support not added [ 1.775522] sr_dev_init: No voltage domain specified for smartreflex0. Cannot initialize [ 1.784057] sr_dev_init: No voltage domain specified for smartreflex1. Cannot initialize [ 1.794268] ThumbEE CPU extension supported. [ 1.798810] Registering SWP/SWPB emulation handler [ 1.803962] SmartReflex Class3 initialized [ 1.865855] tps65217 0-0024: TPS65217 ID 0xe version 1.2 [ 1.871580] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz [ 1.878983] omap_hsmmc 48060000.mmc: GPIO lookup for consumer cd [ 1.885401] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup [ 1.892310] of_get_named_gpiod_flags: parsed 'cd-gpios' property of node '/ocp/mmc@48060000[0]' - status (0) [ 1.902894] omap_hsmmc 48060000.mmc: Got CD GPIO [ 1.907756] omap_hsmmc 48060000.mmc: GPIO lookup for consumer wp [ 1.914101] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup [ 1.920956] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@48060000[0]' [ 1.930577] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@48060000[0]' [ 1.940099] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup [ 1.947187] omap_hsmmc 48060000.mmc: lookup for GPIO wp failed [ 2.062906] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6 [ 2.069332] davinci_mdio 4a101000.mdio: detected phy mask fffffffe [ 2.081318] libphy: 4a101000.mdio: probed [ 2.085734] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720 [ 2.097643] cpsw 4a100000.ethernet: Detected MACID = 78:c5:e5:c3:1e:2a [ 2.108812] drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 2.115545] sr_init: No PMIC hook to init smartreflex [ 2.121233] sr_init: platform driver register failed for SR [ 2.160466] net eth0: initializing cpsw version 1.12 (0) [ 2.168961] net eth0: phy found : id is : 0x7c0f1 [ 2.174163] libphy: PHY 4a101000.mdio:01 not found [ 2.179197] net eth0: phy 4a101000.mdio:01 not found on slave 1 [ 5.243534] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 5.262837] Sending DHCP requests ., OK [ 5.283398] IP-Config: Got DHCP answer from 192.168.57.1, my address is 192.168.57.138 [ 5.292378] IP-Config: Complete: [ 5.295908] device=eth0, hwaddr=78:c5:e5:c3:1e:2a, ipaddr=192.168.57.138, mask=255.255.255.0, gw=255.255.255.255 [ 5.307078] host=192.168.57.138, domain=example.org, nis-domain=(none) [ 5.314416] bootserver=0.0.0.0, rootserver=192.168.57.1, rootpath= [ 5.321168] nameserver0=192.168.57.1 [ 5.325873] vmmcsd_fixed: disabling [ 5.363335] VFS: Mounted root (nfs filesystem) on device 0:14. [ 5.372042] devtmpfs: mounted [ 5.376481] Freeing unused kernel memory: 432K (c0800000 - c086c000) INIT: version 2.88 booting [info] Using makefile-style concurrent boot in runlevel S. [....] Starting the hotplug events dispatcher: udevd[ 8.309304] udevd[142]: starting version 175 [ ok . [....] Synthesizing the initial hotplug events...udevd[182]: error changing net interface name eth0 to eth4: Device or resource busy [ ok done. [....] Waiting for /dev to be fully populated...[ ok done. [ 15.256482] random: nonblocking pool is initialized [....] Activating swap...[ ok done. [....] Cleaning up temporary files... /tmp[ ok . [....] Activating lvm and md swap...[ ok done. [....] Checking file systems...fsck from util-linux 2.20.1 [ ok done. [....] Mounting local filesystems...[ ok done. [....] Activating swapfile swap...[ ok done. [....] Cleaning up temporary files...[ ok . [....] Setting kernel variables ...[ ok done. [....] Configuring network interfaces...[ ok done. [....] Starting rpcbind daemon...rpcbind: cannot create socket for udp6 rpcbind: cannot create socket for tcp6 [ ok . [....] Starting NFS common utilities: statd idmapd[ ok . [....] Cleaning up temporary files...[ ok . [....] Starting network benchmark server[ ok . INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting network benchmark server[FAIL failed! [....] Starting system message bus: dbus[ ok . [....] Starting rpcbind daemon...[....] Already running.[ ok . [....] Starting NFS common utilities: statd idmapd[ ok . Debian GNU/Linux wheezy/sid armel ttyO0 armel login: Debian GNU/Linux wheezy/sid armel ttyO0 armel login: Debian GNU/Linux wheezy/sid armel ttyO0 armel login: root Last login: Thu Jan 1 00:00:42 UTC 1970 on ttyO0 Linux armel 4.0.0-rc4-129971-g06e5801 #1 SMP Sun Mar 15 23:37:26 MDT 2015 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. root@armel:~# root@armel:~# %% Start PM consolidated quick test (retention only) %% Preparation root@armel:~# root@armel:~# mkdir -p /sys; mount -t sysfs none /sys mount: none already mounted or /sys busy mount: according to mtab, sysfs is already mounted on /sys root@armel:~# root@armel:~# mkdir -p /debug; mount -t debugfs none /debug mount: none already mounted or /debug busy mount: according to mtab, /debug is already mounted on /debug root@armel:~# root@armel:~# root@armel:~# root@armel:~# echo -1 > /sys/devices/platform/omap_uart.0/power/autosuspend_dela y_ms -bash: /sys/devices/platform/omap_uart.0/power/autosuspend_delay_ms: No such file or directory root@armel:~# root@armel:~# echo -1 > /sys/devices/platform/omap_uart.1/power/autosuspend_dela y_ms -bash: /sys/devices/platform/omap_uart.1/power/autosuspend_delay_ms: No such file or directory root@armel:~# root@armel:~# echo -1 > /sys/devices/platform/omap_uart.2/power/autosuspend_dela y_ms -bash: /sys/devices/platform/omap_uart.2/power/autosuspend_delay_ms: No such file or directory root@armel:~# root@armel:~# echo -1 > /sys/devices/platform/omap_uart.3/power/autosuspend_dela y_ms -bash: /sys/devices/platform/omap_uart.3/power/autosuspend_delay_ms: No such file or directory root@armel:~# root@armel:~# echo 0 > /debug/pm_debug/enable_off_mode root@armel:~# root@armel:~# %% Baseline pm_debug count dump cat /debug/pm_debug/count cefuse_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 rtc_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 gfx_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 l4_cefuse_clkdm->cefuse_pwrdm (0) gfx_l4ls_gfx_clkdm->gfx_pwrdm (0) gfx_l3_clkdm->gfx_pwrdm (0) l4_rtc_clkdm->rtc_pwrdm (0) mpu_clkdm->mpu_pwrdm (1) l4_wkup_aon_clkdm->wkup_pwrdm (0) l3_aon_clkdm->wkup_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (5) clk_24mhz_clkdm->per_pwrdm (1) lcdc_clkdm->per_pwrdm (0) cpsw_125mhz_clkdm->per_pwrdm (2) pruss_ocp_clkdm->per_pwrdm (0) ocpwp_l3_clkdm->per_pwrdm (0) l4hs_clkdm->per_pwrdm (1) l3_clkdm->per_pwrdm (8) l4fw_clkdm->per_pwrdm (0) l3s_clkdm->per_pwrdm (1) l4ls_clkdm->per_pwrdm (2) root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo e nabled > $u/power/wakeup; done root@armel:~# %% Start retention double suspend/resume UART wakeup test root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo a uto > $u/power/control; done root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/wakeup; cat $u/power/wakeup; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO0/power/wakeup enabled root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO0/power/control auto root@armel:~# root@armel:~# echo mem > /sys/power/state -bash: echo: write error: Invalid argument root@armel:~# root@armel:~#