U-Boot SPL 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39) OMAP4460 ES1.1 OMAP SD/MMC: 0 reading u-boot.img reading u-boot.bin mkimage signature not found - ih_magic = ea000014 reading u-boot.bin U-Boot 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39) CPU : OMAP4460 ES1.1 Board: OMAP4 Variscite SOM I2C: ready DRAM: 1 GiB MMC: OMAP SD/MMC: 0 Using default environment In: serial Out: serial Err: serial Net: Net Initialization Skipped No ethernet found. checking for preEnv.txt reading preEnv.txt 0 bytes read Loaded environment from preEnv.txt Importing preboot environment from mmc ... Hit any key to stop autoboot: 3  2  0 VAR-SOM-OM44 # VAR-SOM-OM44 # setenv bootargs 'console=ttyO2,115200n8 mem=1G@0x80000000 root=/dev/mmcblk1p2 ro rootwait earlyprintk ignore_loglevel fixrtc phy.smsc.gb_enable=false video=HDMI-A-1:1920x1080@60' VAR-SOM-OM44 # loady 0x81000000 ## Ready for binary (ymodem) download to 0x81000000 at 115200 bps... CSending: uImage-dtb.omap4-var-som Sending: Transfer complete - CRC mode, 8(SOH)/4230(STX)/0(CAN) packets, 3 retries ## Total Size = 0x00421ae7 = 4332263 Bytes VAR-SOM-OM44 # bootm 0x81000000 ## Booting kernel from Legacy Image at 81000000 ... Image Name: Linux- Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 4332199 Bytes = 4.1 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 3.14.31-rt28-54440-g42a2378 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sun Feb 22 17:11:39 MST 2015 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: Variscite OMAP4 SOM [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] cma: CMA: reserved 16 MiB at ae800000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] On node 0 totalpages: 261888 [ 0.000000] free_area_init_node: node 0, pgdat c0894b40, node_mem_map edff2000 [ 0.000000] Normal zone: 1520 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 194560 pages, LIFO batch:31 [ 0.000000] HighMem zone: 528 pages used for memmap [ 0.000000] HighMem zone: 67328 pages, LIFO batch:15 [ 0.000000] OMAP4460 ES1.1 [ 0.000000] PERCPU: Embedded 9 pages/cpu @edfb9000 s14464 r8192 d14208 u36864 [ 0.000000] pcpu-alloc: s14464 r8192 d14208 u36864 alloc=9*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260368 [ 0.000000] Kernel command line: console=ttyO2,115200n8 mem=1G@0x80000000 root=/dev/mmcblk1p2 ro rootwait earlyprintk ignore_loglevel fixrtc phy.smsc.gb_enable=false video=HDMI-A-1:1920x1080@60 [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 1007552K/1047552K available (5590K kernel code, 656K rwdata, 2136K rodata, 386K init, 5518K bss, 40000K reserved, 269312K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc0793c00 (7727 kB) [ 0.000000] .init : 0xc0794000 - 0xc07f4880 ( 387 kB) [ 0.000000] .data : 0xc07f6000 - 0xc089a160 ( 657 kB) [ 0.000000] .bss : 0xc089a160 - 0xc0dfdc70 (5519 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] ti_dt_clocks_register: failed to lookup clock node div_ts_ck [ 0.000000] ti_dt_clocks_register: failed to lookup clock node bandgap_ts_fclk [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns [ 0.000061] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000183] smp_twd: clock not found -2 [ 0.002044] Console: colour dummy device 80x30 [ 0.002105] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.002136] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.002136] ... MAX_LOCK_DEPTH: 48 [ 0.002136] ... MAX_LOCKDEP_KEYS: 8191 [ 0.002166] ... CLASSHASH_SIZE: 4096 [ 0.002166] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.002166] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.002166] ... CHAINHASH_SIZE: 16384 [ 0.002197] memory used by lock dependency info: 3695 kB [ 0.002197] per task-struct memory footprint: 1152 bytes [ 0.002258] Calibrating local timer... 347.66MHz. [ 0.058807] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.148162] pid_max: default: 32768 minimum: 301 [ 0.148712] Security Framework initialized [ 0.148895] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.148925] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.180755] CPU: Testing write buffer coherency: ok [ 0.182220] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.182281] Setting up static identity map for 0x8054ce50 - 0x8054cec0 [ 0.182403] L310 cache controller enabled [ 0.182434] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.187622] CPU1: Booted secondary processor [ 0.217712] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.218322] Brought up 2 CPUs [ 0.218353] SMP: Total of 2 processors activated (2768.89 BogoMIPS). [ 0.218383] CPU: All CPU(s) started in SVC mode. [ 0.221069] devtmpfs: initialized [ 0.230712] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.234527] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.238098] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.395446] pinctrl core: initialized pinctrl subsystem [ 0.399230] regulator-dummy: no parameters [ 0.402038] NET: Registered protocol family 16 [ 0.408874] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.485748] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.486877] OMAP GPIO hardware version 0.1 [ 0.488739] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.490966] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.493164] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.495422] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.497772] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.499633] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.527038] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.527679] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.529083] No ATAGs? [ 0.529113] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.529113] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.532745] OMAP DMA hardware revision 0.0 [ 0.582092] bio: create slab at 0 [ 0.585144] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.585174] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.646575] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.647583] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.648406] VDD_ETH: 3300 mV [ 0.655578] SCSI subsystem initialized [ 0.657501] usbcore: registered new interface driver usbfs [ 0.657867] usbcore: registered new interface driver hub [ 0.658325] usbcore: registered new device driver usb [ 0.663513] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.664947] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.666748] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.667694] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.673919] Switched to clocksource 32k_counter [ 0.819305] NET: Registered protocol family 2 [ 0.821258] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.821533] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.824279] TCP: Hash tables configured (established 8192 bind 8192) [ 0.824523] TCP: reno registered [ 0.824554] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.824920] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.826202] NET: Registered protocol family 1 [ 0.827392] RPC: Registered named UNIX socket transport module. [ 0.827392] RPC: Registered udp transport module. [ 0.827392] RPC: Registered tcp transport module. [ 0.827423] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.835968] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.997253] bounce pool size: 64 pages [ 0.998413] VFS: Disk quotas dquot_6.5.2 [ 0.998657] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.000701] NFS: Registering the id_resolver key type [ 1.001037] Key type id_resolver registered [ 1.001068] Key type id_legacy registered [ 1.001190] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 1.001708] msgmni has been set to 1473 [ 1.004577] io scheduler noop registered [ 1.004608] io scheduler deadline registered [ 1.004669] io scheduler cfq registered (default) [ 1.010162] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 1.010589] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 1.014343] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.020904] omap_uart 4806a000.serial: no wakeirq for uart0 [ 1.020904] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 1.021881] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 1.023773] omap_uart 4806c000.serial: no wakeirq for uart0 [ 1.023803] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 1.024536] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 1.025726] omap_uart 48020000.serial: no wakeirq for uart0 [ 1.025756] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 1.026184] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.901794] console [ttyO2] enabled [ 1.906982] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.912841] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.922729] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.960876] brd: module loaded [ 1.979858] loop: module loaded [ 1.985900] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.996002] twl 0-0048: PIH (irq 39) nested IRQs [ 2.003845] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 2.011688] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 2.019378] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 2.026641] VMMC: 1200 <--> 3000 mV at 3000 mV [ 2.033416] VPP: 1800 <--> 2500 mV at 1900 mV [ 2.040466] VUSIM: 1200 <--> 2900 mV [ 2.046112] VDAC: 1800 mV [ 2.050476] VANA: 2100 mV [ 2.055206] VCXIO: 1800 mV [ 2.059570] VUSB: 3300 mV [ 2.064514] V1V8: 1800 mV [ 2.069213] V2V1: 2100 mV [ 2.080078] mtdoops: mtd device (mtddev=name/number) must be supplied [ 2.097076] ks8851 spi1.0: message enable is 0 [ 2.108337] ks8851 spi1.0 eth0: revision 1, MAC 7e:04:56:b6:54:a0, IRQ 331, no EEPROM [ 2.120147] usbcore: registered new interface driver asix [ 2.126251] usbcore: registered new interface driver ax88179_178a [ 2.132965] usbcore: registered new interface driver cdc_ether [ 2.139526] usbcore: registered new interface driver smsc95xx [ 2.145935] usbcore: registered new interface driver net1080 [ 2.152191] usbcore: registered new interface driver cdc_subset [ 2.158782] usbcore: registered new interface driver zaurus [ 2.165069] usbcore: registered new interface driver cdc_ncm [ 2.172546] usbcore: registered new interface driver cdc_wdm [ 2.178894] usbcore: registered new interface driver usb-storage [ 2.185638] usbcore: registered new interface driver usbtest [ 2.194946] mousedev: PS/2 mouse device common for all mice [ 2.205200] twl_rtc rtc.5: Power up reset detected. [ 2.211212] twl_rtc rtc.5: Enabling TWL-RTC [ 2.220001] twl_rtc rtc.5: rtc core: registered rtc.5 as rtc0 [ 2.226562] i2c /dev entries driver [ 2.233978] Driver for 1-wire Dallas network protocol. [ 2.244445] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.254333] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.263458] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.273376] 4809c000.mmc supply vmmc_aux not found, using dummy regulator [ 2.280761] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.324188] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.333312] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.342803] 480d5000.mmc supply vmmc not found, using dummy regulator [ 2.349761] 480d5000.mmc supply vmmc_aux not found, using dummy regulator [ 2.357116] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.362060] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.364318] mmc0: new high speed SDHC card at address 0007 [ 2.367065] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.372802] mmcblk0: p1 p2 [ 2.385833] omap_hsmmc 480d5000.mmc: pins are not configured from the driver [ 2.393798] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.435943] usbcore: registered new interface driver usbhid [ 2.441802] usbhid: USB HID core driver [ 2.448120] oprofile: no performance counters [ 2.453460] omap_hsmmc 480d5000.mmc: exceeding card's volts [ 2.460662] oprofile: using timer interrupt. [ 2.465789] TCP: cubic registered [ 2.469268] Initializing XFRM netlink socket [ 2.473846] NET: Registered protocol family 17 [ 2.478607] NET: Registered protocol family 15 [ 2.483581] Key type dns_resolver registered [ 2.489654] Power Management for TI OMAP4+ devices. [ 2.494812] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.502014] ThumbEE CPU extension supported. [ 2.506591] Registering SWP/SWPB emulation handler [ 2.516052] VUSB: disabling [ 2.519622] VANA: disabling [ 2.523193] VDAC: disabling [ 2.528656] VAUX1_6030: disabling [ 2.532287] regulator-dummy: disabling [ 2.540527] twl_rtc rtc.5: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.588531] Waiting for root device /dev/mmcblk1p2... [ 2.720642] mmc1: host does not support reading read-only switch. assuming write-enable. [ 2.731170] mmc1: new high speed SDHC card at address b368 [ 2.738525] mmcblk1: mmc1:b368 USD 3.75 GiB [ 2.746520] mmcblk1: p1 p2 [ 2.846466] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 2.858612] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (244) [ 2.872955] EXT4-fs (mmcblk1p2): INFO: recovery required on readonly filesystem [ 2.881256] EXT4-fs (mmcblk1p2): write access will be enabled during recovery [ 5.098114] EXT4-fs (mmcblk1p2): recovery complete [ 5.562103] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.562103] VFS: Mounted root (ext4 filesystem) readonly on device 179:10. [ 5.580657] devtmpfs: mounted [ 5.584259] Freeing unused kernel memory: 384K (c0794000 - c07f4000) modprobe: FATAL: Could not load /lib/modules/3.14.31-rt28-54440-g42a2378/modules.dep: No such file or directory INIT: version 2.88 booting Using makefile-style concurrent boot in runlevel S. Starting the hotplug events dispatcher: udevd[ 6.768798] udevd[850]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...[ 7.730133] random: nonblocking pool is initialized done. Activating swap...done. [ 8.563873] EXT4-fs (mmcblk1p2): warning: mounting fs with errors, running e2fsck is recommended [ 8.924926] EXT4-fs (mmcblk1p2): re-mounted. Opts: (null) Cleaning up ifupdown.... Setting up networking.... Loading kernel modules...done. Activating lvm and md swap...done. Checking file systems...fsck from util-linux 2.19.1 done. Mounting local filesystems...done. Activating swapfile swap...done. Cleaning up temporary files.... Configuring network interfaces...done. Cleaning up temporary files.... Setting kernel variables ...done. INIT: Entering runlevel: 2 Using makefile-style concurrent boot in runlevel 2. Debian GNU/Linux wheezy/sid armel ttyO2 armel login: Debian GNU/Linux wheezy/sid armel ttyO2 armel login: Debian GNU/Linux wheezy/sid armel ttyO2 armel login: root Last login: Sat Jan 1 00:00:13 UTC 2000 on ttyO2 Linux armel 3.14.31-rt28-54440-g42a2378 #1 SMP Sun Feb 22 17:11:39 MST 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:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms -1 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 [ 19.451873] pwrdm state mismatch(cam_pwrdm) 3 != 0 [ 19.457031] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 19.457031] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 19.467559] pwrdm state mismatch(dss_pwrdm) 3 != 1 cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-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 cpu1_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_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,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:0 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (5) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) 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 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO1/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO2/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO3/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 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO1/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO2/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO3/power/control auto root@armel:~# root@armel:~# echo mem > /sys/power/state [ 22.224670] PM: Syncing filesystems ... done. [ 27.318664] PM: Preparing system for mem sleep [ 27.337554] Freezing user space processes ... (elapsed 0.004 seconds) done. [ 27.348449] Freezing remaining freezable tasks ... (elapsed 0.005 seconds) done. [ 27.364349] PM: Entering mem sleep [ 27.364349] Suspending console(s) (use no_console_suspend to debug) [ 27.390991] PM: suspend of devices complete after 15.655 msecs [ 27.394317] PM: late suspend of devices complete after 0.001 msecs [ 27.398620] PM: noirq suspend of devices complete after 4.211 msecs [ 27.398620] Disabling non-boot CPUs ... [ 27.413604] CPU1: shutdown [ 27.422729] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 27.422729] Could not enter target state in pm_suspend [ 27.422729] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 27.422729] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 27.422760] Enabling non-boot CPUs ... [ 27.425323] gic_timer_retrigger: lost localtimer interrupt [ 27.425506] CPU1: Booted secondary processor [ 27.428131] CPU1 is up [ 27.429107] PM: noirq resume of devices complete after 0.976 msecs [ 27.433746] PM: early resume of devices complete after 3.265 msecs [ 27.498962] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 27.557586] PM: resume of devices complete after 123.352 msecs [ 27.657836] PM: Finishing wakeup. [ 27.657836] Restarting tasks ... done. root@armel:~# root@armel:~# root@armel:~# root@armel:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:1,RET:0,INA:0,ON:2,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:3,INA:0,ON:3,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:1,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:1,RET:0,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:1,RET:0,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:1 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (10) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# root@armel:~# root@armel:~# echo mem > /sys/power/state [ 29.667388] PM: Syncing filesystems ... done. [ 29.716674] PM: Preparing system for mem sleep [ 29.723266] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 29.729431] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 29.739013] PM: Entering mem sleep [ 29.745635] Suspending console(s) (use no_console_suspend to debug) [ 29.764556] PM: suspend of devices complete after 11.047 msecs [ 29.764648] PM: late suspend of devices complete after 0.001 msecs [ 29.771514] PM: noirq suspend of devices complete after 3.631 msecs [ 29.771606] Disabling non-boot CPUs ... [ 29.773986] CPU1: shutdown [ 29.776092] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 29.776092] Could not enter target state in pm_suspend [ 29.776092] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 29.776092] hw-breakpoint: CPU 0 failed to disable vector catch [ 29.776123] Enabling non-boot CPUs ... [ 29.778320] CPU1: Booted secondary processor [ 29.778991] CPU1 is up [ 29.781280] PM: noirq resume of devices complete after 0.946 msecs [ 29.783538] PM: early resume of devices complete after 2.258 msecs [ 29.861907] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 29.964294] PM: resume of devices complete after 180.755 msecs [ 30.057678] PM: Finishing wakeup. [ 30.061187] Restarting tasks ... done. root@armel:~# root@armel:~# root@armel:~# root@armel:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:5,INA:0,ON:5,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:2,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:2 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (10) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# root@armel:~# root@armel:~# ./test_rootfs_access_nonexistent_file__ret_susp -bash: ./test_rootfs_access_nonexistent_file__ret_susp: No such file or directory root@armel:~# root@armel:~# %% End retention double suspend/resume UART wakeup test %% Start retention dynamic idle UART wakeup test for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo 3000 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms 3000 root@armel:~# root@armel:~# root@armel:~# root@armel:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:5,INA:0,ON:5,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:2,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:2 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (2) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# root@armel:~# root@armel:~# ./test_rootfs_access_nonexistent_file__ret_dyn -bash: ./test_rootfs_access_nonexistent_file__ret_dyn: No such file or directory root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms -1 root@armel:~# root@armel:~# %% End retention dynamic idle UART wakeup test %% End PM consolidated quick test (retention only)