Texas Instruments X-Loader 1.4.2 (Feb 19 2009 - 12:01:24) Reading boot sector Loading u-boot.bin from mmc U-Boot 2011.06 (Mar 09 2012 - 14:23:30) OMAP3530-GP ES3.0, CPU-OPP2, L3-165MHz, Max CPU Clock 600 mHz OMAP3 Beagle board + LPDDR/NAND I2C: ready DRAM: 256 MiB NAND: 256 MiB MMC: OMAP SD/MMC: 0 In: serial Out: serial Err: serial Beagle Rev C1/C2/C3 timed out in wait_for_pin: I2C_STAT=0 I2C read: I/O error Unrecognized expansion board: 0 Die ID #5cf200030000000004013f7902012010 Hit any key to stop autoboot: 2  1  0 reading uimage 3151568 bytes read ## Booting kernel from Legacy Image at 80000000 ... Image Name: Linux-3.4.0-rc2-00059-g0135f6a Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 3151504 Bytes = 3 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0 [ 0.000000] Linux version 3.4.0-rc2-00059-g0135f6a (paul@nozomi) (gcc version 4.5.1 (Sourcery G++ Lite 2010.09-50) ) #1 SMP Tue May 8 00:04:32 MDT 2012 [ 0.000000] CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c53c7d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache [ 0.000000] Machine: OMAP3 Beagle Board [ 0.000000] Memory policy: ECC disabled, Data cache writeback [ 0.000000] OMAP3430/3530 ES3.0 (l2cache iva sgx neon isp ) [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/332/500 MHz [ 0.000000] PERCPU: Embedded 8 pages/cpu @c0dcb000 s11456 r8192 d13120 u32768 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64768 [ 0.000000] Kernel command line: console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=256M rootwait earlyprintk [ 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: 255MB = 255MB total [ 0.000000] Memory: 246764k/246764k available, 15380k reserved, 0K highmem [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) [ 0.000000] .text : 0xc0008000 - 0xc0590c10 (5668 kB) [ 0.000000] .init : 0xc0591000 - 0xc05ddcc0 ( 308 kB) [ 0.000000] .data : 0xc05de000 - 0xc06703d8 ( 585 kB) [ 0.000000] .bss : 0xc06703fc - 0xc0bc4620 (5457 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:474 [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts [ 0.000000] Total of 96 interrupts on 1 active controller [ 0.000000] OMAP clockevent source: GPTIMER12 at 32768 Hz [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms [ 0.000000] Console: colour dummy device 80x30 [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 3695 kB [ 0.000000] per task-struct memory footprint: 1152 bytes [ 0.001220] Calibrating delay loop... 471.61 BogoMIPS (lpj=1843200) [ 0.081573] pid_max: default: 32768 minimum: 301 [ 0.082641] Security Framework initialized [ 0.083038] Mount-cache hash table entries: 512 [ 0.090393] CPU: Testing write buffer coherency: ok [ 0.091644] CPU0: thread -1, cpu 0, socket -1, mpidr 0 [ 0.091766] Setting up static identity map for 0x803e8830 - 0x803e88a0 [ 0.094329] Brought up 1 CPUs [ 0.094360] SMP: Total of 1 processors activated (471.61 BogoMIPS). [ 0.124145] dummy: [ 0.127319] NET: Registered protocol family 16 [ 0.129119] GPMC revision 5.0 [ 0.144226] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.144989] OMAP GPIO hardware version 2.5 [ 0.146484] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.149078] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.151214] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.153259] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.155426] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.166412] omap_mux_init: Add partition: #1: core, flags: 0 [ 0.170166] OMAP3 Beagle Rev: C1/C2/C3 [ 0.189453] Reprogramming SDRC clock to 332000000 Hz [ 0.190795] Found NAND on CS0 [ 0.190826] Registering NAND on CS0 [ 0.192230] Unable to get DVI reset GPIO [ 0.193328] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.215423] omap-mcbsp.2: alias fck already exists [ 0.216613] omap-mcbsp.3: alias fck already exists [ 0.223266] OMAP DMA hardware revision 4.0 [ 0.320404] bio: create slab at 0 [ 0.332702] SCSI subsystem initialized [ 0.335845] omap2_mcspi omap2_mcspi.1: master is unqueued, this is deprecated [ 0.337768] omap2_mcspi omap2_mcspi.2: master is unqueued, this is deprecated [ 0.339477] omap2_mcspi omap2_mcspi.3: master is unqueued, this is deprecated [ 0.341857] omap2_mcspi omap2_mcspi.4: master is unqueued, this is deprecated [ 0.346588] usbcore: registered new interface driver usbfs [ 0.348144] usbcore: registered new interface driver hub [ 0.349639] usbcore: registered new device driver usb [ 0.353027] omap_i2c omap_i2c.1: bus 1 rev1.3.12 at 2600 kHz [ 0.367187] twl 1-0048: PIH (irq 7) chaining IRQs 320..328 [ 0.368103] twl 1-0048: power (irq 325) chaining IRQs 328..335 [ 0.372039] twl4030_gpio twl4030_gpio: gpio (irq 320) chaining IRQs 336..353 [ 0.374023] gpiochip_add: registered GPIOs 192 to 211 on device: twl4030 [ 0.384826] VMMC1: 1850 <--> 3150 mV at 3000 mV normal standby [ 0.388671] VDAC: 1800 mV normal standby [ 0.391754] VDVI: 1800 mV normal standby [ 0.395568] VSIM: 1800 <--> 3000 mV at 1800 mV normal standby [ 0.397064] omap_i2c omap_i2c.3: bus 3 rev1.3.12 at 100 kHz [ 0.411010] Switching to clocksource 32k_counter [ 0.580108] NET: Registered protocol family 2 [ 0.581390] IP route cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.584960] TCP established hash table entries: 8192 (order: 4, 65536 bytes) [ 0.585571] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.591339] TCP: Hash tables configured (established 8192 bind 8192) [ 0.591491] TCP: reno registered [ 0.591522] UDP hash table entries: 128 (order: 1, 10240 bytes) [ 0.591949] UDP-Lite hash table entries: 128 (order: 1, 10240 bytes) [ 0.593322] NET: Registered protocol family 1 [ 0.595458] RPC: Registered named UNIX socket transport module. [ 0.595489] RPC: Registered udp transport module. [ 0.595520] RPC: Registered tcp transport module. [ 0.595550] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.596923] NetWinder Floating Point Emulator V0.97 (double precision) [ 0.827087] VFS: Disk quotas dquot_6.5.2 [ 0.827636] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.829925] NFS: Registering the id_resolver key type [ 0.832427] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.834533] msgmni has been set to 481 [ 0.840820] io scheduler noop registered [ 0.840911] io scheduler deadline registered [ 0.841430] io scheduler cfq registered (default) [ 0.845977] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.855895] omap_uart.0: ttyO0 at MMIO 0x4806a000 (irq = 72) is a OMAP UART0 [ 0.858947] omap_uart.1: ttyO1 at MMIO 0x4806c000 (irq = 73) is a OMAP UART1 [ 0.860900] omap_uart.2: ttyO2 at MMIO 0x49020000 (irq = 74) is a OMAP UART2 [ 1.542053] console [ttyO2] enabled [ 1.597259] brd: module loaded [ 1.630157] loop: module loaded [ 1.644927] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.652801] NAND device: Manufacturer ID: 0x2c, Chip ID: 0xba (Micron NAND 256MiB 1,8V 16-bit) [ 1.663360] Creating 5 MTD partitions on "omap2-nand.0": [ 1.668975] 0x000000000000-0x000000080000 : "X-Loader" [ 1.684600] 0x000000080000-0x000000260000 : "U-Boot" [ 1.698364] 0x000000260000-0x000000280000 : "U-Boot Env" [ 1.710906] 0x000000280000-0x000000680000 : "Kernel" [ 1.726104] 0x000000680000-0x000010000000 : "File System" [ 1.951080] OneNAND driver initializing [ 1.966552] usbcore: registered new interface driver asix [ 1.973022] usbcore: registered new interface driver cdc_ether [ 1.980407] usbcore: registered new interface driver net1080 [ 1.988494] usbcore: registered new interface driver cdc_subset [ 1.995819] usbcore: registered new interface driver zaurus [ 2.002716] usbcore: registered new interface driver cdc_ncm [ 2.011932] usbcore: registered new interface driver cdc_wdm [ 2.018096] Initializing USB Mass Storage driver... [ 2.024169] usbcore: registered new interface driver usb-storage [ 2.030700] USB Mass Storage support registered. [ 2.037384] usbcore: registered new interface driver libusual [ 2.044342] usbcore: registered new interface driver usbtest [ 2.050415] udc: OMAP UDC driver, version: 4 October 2004 (iso) (dma) [ 2.061920] mousedev: PS/2 mouse device common for all mice [ 2.076385] input: twl4030_pwrbutton as /devices/platform/omap_i2c.1/i2c-1/1-0049/twl4030_pwrbutton/input/input0 [ 2.091522] twl_rtc twl_rtc: Enabling TWL-RTC [ 2.101745] twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0 [ 2.110260] i2c /dev entries driver [ 2.118530] Driver for 1-wire Dallas network protocol. [ 2.128692] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec [ 2.137603] twl4030_wdt twl4030_wdt: Failed to register misc device [ 2.144561] twl4030_wdt: probe of twl4030_wdt failed with error -16 [ 2.384857] usbcore: registered new interface driver usbhid [ 2.390899] usbhid: USB HID core driver [ 2.394958] oprofile: hardware counters not available [ 2.400329] oprofile: using timer interrupt. [ 2.406097] TCP: cubic registered [ 2.409606] Initializing XFRM netlink socket [ 2.414398] NET: Registered protocol family 17 [ 2.419219] NET: Registered protocol family 15 [ 2.424407] Registering the dns_resolver key type [ 2.429779] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1 [ 2.438018] ThumbEE CPU extension supported. [ 2.457580] PM: no software I/O chain control; some wakeups may be lost [ 2.514038] clock: disabling unused clocks to save power [ 2.526092] VDVI: incomplete constraints, leaving on [ 2.531768] VDAC: incomplete constraints, leaving on [ 2.540985] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 2.552764] twl_rtc twl_rtc: setting system clock to 2008-07-22 00:19:07 UTC (1216685947) [ 2.566894] Waiting for root device /dev/mmcblk0p2... [ 2.689697] mmc0: new SD card at address 8001 [ 2.698272] mmcblk0: mmc0:8001 SD02G 1.89 GiB [ 2.711669] mmcblk0: p1 p2 [ 3.733184] kjournald starting. Commit interval 5 seconds [ 3.739807] EXT3-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is recommended [ 3.932800] EXT3-fs (mmcblk0p2): using internal journal [ 3.942962] EXT3-fs (mmcblk0p2): recovery complete [ 3.947998] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode [ 3.955932] VFS: Mounted root (ext3 filesystem) on device 179:2. [ 3.963439] Freeing init memory: 304K INIT: version 2.86 booting Starting the hotplug events dispatcher udevd [ 5.186065] udevd (598): /proc/598/oom_adj is deprecated, please use /proc/598/oom_score_adj instead. Synthesizing the initial hotplug events Remounting root file system... mount: according to mtab, /proc is already mounted on /proc WARNING: Couldn't open directory /lib/modules/3.4.0-rc2-00059-g0135f6a: No such file or directory FATAL: Could not open /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep.temp for writing: No such file or directory Setting up IP spoofing protection: rp_filter. Configuring network interfaces... modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory ifconfig: SIOCGIFFLAGS: No such device modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory eth0 No such device modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory udhcpc: SIOCGIFINDEX: No such device done. Starting portmap daemon: portmap. INIT: Entering runlevel: 5 ALSA: Restoring mixer settings... /usr/sbin/alsactl: load_state:1327: No soundcards found... Starting Dropbear SSH server: modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory modprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory dropbear. Starting advanced power management daemon: No APM support in kernel (failed.) Starting system message bus: dbus. Starting syslogd/klogd: start-stop-daemon: lseek: Invalid argument * Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon [ ok ] Starting Bluetooth subsystem: hcidmodprobe: FATAL: Could not load /lib/modules/3.4.0-rc2-00059-g0135f6a/modules.dep: No such file or directory hid2hci. .-------. | | .-. | | |-----.-----.-----.| | .----..-----.-----. | | | __ | ---'| '--.| .-'| | | | | | | | |--- || --'| | | ' | | | | '---'---'--'--'--. |-----''----''--' '-----'-'-'-' -' | '---' The Angstrom Distribution beagleboard ttyO2 Angstrom 2008.1-test-20080712 beagleboard ttyO2 beagleboard login: root login[1703]: root login on `ttyO2' root@beagleboard:~# echo mem > /sys/power/state [ 42.300567] PM: Syncing filesystems ... done. [ 43.068359] Freezing user space processes ... (elapsed 0.01 seconds) done. [ 43.094909] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done. [ 43.126037] Suspending console(s) (use no_console_suspend to debug) [ 43.260040] PM: suspend of devices complete after 123.125 msecs [ 43.262359] PM: late suspend of devices complete after 2.258 msecs [ 43.267425] PM: noirq suspend of devices complete after 5.034 msecs [ 43.267517] Disabling non-boot CPUs ... [ 44.149841] Successfully put all powerdomains to target state [ 44.152770] PM: noirq resume of devices complete after 2.685 msecs [ 44.157073] PM: early resume of devices complete after 2.288 msecs [ 44.444763] PM: resume of devices complete after 287.475 msecs [ 44.497375] Restarting tasks ... done. root@beagleboard:~# echo mem > /sys/power/state [ 45.857299] PM: Syncing filesystems ... done. [ 46.594299] Freezing user space processes ... (elapsed 0.02 seconds) done. [ 46.625396] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done. [ 46.656616] Suspending console(s) (use no_console_suspend to debug) [ 46.790222] PM: suspend of devices complete after 122.741 msecs [ 46.792510] PM: late suspend of devices complete after 2.227 msecs [ 46.797180] PM: noirq suspend of devices complete after 4.638 msecs [ 46.797210] Disabling non-boot CPUs ... [ 46.961822] Successfully put all powerdomains to target state [ 46.964752] PM: noirq resume of devices complete after 2.685 msecs [ 46.968994] PM: early resume of devices complete after 2.258 msecs [ 47.256896] PM: resume of devices complete after 287.719 msecs [ 47.309326] Restarting tasks ... done. root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1160,INA:0,ON:1161,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_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:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1160,INA:0,ON:1161,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:1160,INA:0,ON:1161,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:1160,INA:0,ON:1161,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,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 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (16) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) core_l4_clkdm->core_pwrdm (24) core_l3_clkdm->core_pwrdm (4) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) neon_clkdm->neon_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) prm_clkdm->wkup_pwrdm (0) cm_clkdm->core_pwrdm (0) root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.0/power/autosusp end_delay_ms root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.1/power/autosusp end_delay_ms root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.2/power/autosusp end_delay_ms root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.3/power/autosusp end_delay_ms -sh: cannot create /sys/devices/platform/omap_uart.3/power/autosuspend_delay_ms: nonexistent directory root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1303,INA:0,ON:1304,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:7,INA:0,ON:8,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:7,INA:0,ON:8,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1303,INA:0,ON:1304,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:1303,INA:0,ON:1304,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:1303,INA:0,ON:1304,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,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 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (16) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) core_l4_clkdm->core_pwrdm (23) core_l3_clkdm->core_pwrdm (4) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) neon_clkdm->neon_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) prm_clkdm->wkup_pwrdm (0) cm_clkdm->core_pwrdm (0) root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.0/power/autosuspe nd_delay_ms root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.1/power/autosuspen d_delay_ms root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.2/power/autosuspen d_delay_ms root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.3/power/autosuspen d_delay_ms -sh: cannot create /sys/devices/platform/omap_uart.3/power/autosuspend_delay_ms: nonexistent directory root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1426,INA:0,ON:1427,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:19,INA:0,ON:20,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:25,INA:0,ON:26,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1426,INA:0,ON:1427,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:1426,INA:0,ON:1427,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:1426,INA:0,ON:1427,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,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 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (16) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) core_l4_clkdm->core_pwrdm (24) core_l3_clkdm->core_pwrdm (4) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) neon_clkdm->neon_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) prm_clkdm->wkup_pwrdm (0) cm_clkdm->core_pwrdm (0) root@beagleboard:~# echo 1 > /debug/pm_debug/enable_off_mode root@beagleboard:~# echo mem > /sys/power/state [ 83.803314] PM: Syncing filesystems ... done. [ 84.169982] Freezing user space processes ... (elapsed 0.01 seconds) done. [ 84.196350] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done. [ 84.227355] Suspending console(s) (use no_console_suspend to debug) [ 84.361022] PM: suspend of devices complete after 122.799 msecs [ 84.363281] PM: late suspend of devices complete after 2.227 msecs [ 84.367950] PM: noirq suspend of devices complete after 4.608 msecs [ 84.367980] Disabling non-boot CPUs ... [ 84.819824] Successfully put all powerdomains to target state [ 84.823181] PM: noirq resume of devices complete after 2.990 msecs [ 84.827514] PM: early resume of devices complete after 2.288 msecs [ 85.114990] PM: resume of devices complete after 287.323 msecs [ 85.167419] Restarting tasks ... done. root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:40,RET:1522,INA:0,ON:1563,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:1,RET:19,INA:0,ON:21,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:1,RET:25,INA:0,ON:27,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:40,RET:1522,INA:0,ON:1563,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:40,RET:1522,INA:0,ON:1563,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:40,RET:1522,INA:0,ON:1563,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (16) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) core_l4_clkdm->core_pwrdm (24) core_l3_clkdm->core_pwrdm (4) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) neon_clkdm->neon_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) prm_clkdm->wkup_pwrdm (0) cm_clkdm->core_pwrdm (0) root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.0/power/autosusp end_delay_ms root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.1/power/autosusp end_delay_ms root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.2/power/autosusp end_delay_ms root@beagleboard:~# echo 1000 > /sys/devices/platform/omap_uart.3/power/autosusp end_delay_ms -sh: cannot create /sys/devices/platform/omap_uart.3/power/autosuspend_delay_ms: nonexistent directory root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:66,RET:1522,INA:0,ON:1589,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:7,RET:19,INA:0,ON:27,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:14,RET:25,INA:0,ON:40,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:66,RET:1522,INA:0,ON:1589,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:66,RET:1522,INA:0,ON:1589,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:66,RET:1522,INA:0,ON:1589,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (16) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) core_l4_clkdm->core_pwrdm (21) core_l3_clkdm->core_pwrdm (4) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) neon_clkdm->neon_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) prm_clkdm->wkup_pwrdm (0) cm_clkdm->core_pwrdm (0) root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.0/power/autosuspe nd_delay_ms root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.1/power/autosuspen d_delay_ms root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.2/power/autosuspen d_delay_ms root@beagleboard:~# echo -1 > /sys/devices/platform/omap_uart.3/power/autosuspen d_delay_ms -sh: cannot create /sys/devices/platform/omap_uart.3/power/autosuspend_delay_ms: nonexistent directory root@beagleboard:~# root@beagleboard:~#