On Tue, Mar 31, 2009 at 11:25 AM, Kevin Hilman
<khilman@xxxxxxxxxxxxxxxxxxx> wrote:
> Russ Dill <russ.dill@xxxxxxxxx> writes:
>
>> On Mon, Mar 30, 2009 at 11:43 AM, Kevin Hilman
>> <khilman@xxxxxxxxxxxxxxxxxxx> wrote:
>>> Russ Dill <russ.dill@xxxxxxxxx> writes:
>>>
>>>> On Mon, Mar 30, 2009 at 3:08 AM, Premi, Sanjeev <premi@xxxxxx> wrote:
>>> [...]
>>>>>
>>>>> I had found that two drivers that could prevent clocks_off are
>>>>> USB and DSS because of the way they use clk_enable().
>>>>>
>>>>> Can you try building without theses drivers just for verification?
>>>>>
>>>>
>>>> Building without dss makes things worse:
>>>>
>>>> Powerdomain (dss_pwrdm) didn't enter target state 0
>>>>
>>>> Maybe by looking at what the dss driver is doing I can get core and
>>>> per to turn off.
>>>
>>> Russ,
>>>
>>> Can you try with the latest HEAD of PM branch. After suspend/resume,
>>> do
>>>
>>> # cat /debug/pm_debug/registers/1
>>>
>>> and post results to list. We can then see the exact state of PM
>>> registers before going into WFI.
>
> Russ,
>
> With the dump below, what was the output after you resumed? Which
> powerdomains did not hit their target state? It looks like PER and
> CORE did not hit target state.
yes, yes, and yes.
> Also, you didn't mention what hardware you're using or your .config or
> your bootloader etc. All of these play an important role.
Beagleboard B7, X-Loader 1.41, U-Boot 1.3.3
>> root@beagleboard:/sys# cat /debug/pm_debug/registers/1
>> MOD: CM_IVA2 (48014000)
>> 04 => 00000037 20 => 00000001 34 => 00000001 40 => 0009680c
>> 44 => 00000001 48 => 00000003
>> MOD: CM_OCP (48004800)
>> 00 => 00000010 10 => 00000001
>> MOD: CM_MPU (48004900)
>> 04 => 00000037 24 => 00000001 34 => 00000001 40 => 0011f40c
>> 44 => 00000001 48 => 00000003 4c => 00000001
>> MOD: CM_CORE (48004a00)
>> 10 => 00000042 20 => ffffffbd 24 => 0000001f 28 => 0000000d
>> 30 => fffffed9 34 => 0000001f 38 => 0000000c 40 => 0000030a
>> 48 => 0000003f 4c => 00000003
>> MOD: CM_SGX (48004b00)
>> 20 => 00000001 48 => 00000003
>> MOD: CM_WKUP (48004c00)
>> 10 => 0000000e 20 => 000002f1 30 => 0000003f 40 => 00000015
>
> Here is at least one problem.
>
> Offset 0x40 is CM_CLKSEL_WKUP, and bit 0 shows which clock is the
> source clock for GPTIMER1. Here, bit 0 is 1 which means SYS_CLK
> is used as the timer source.
>
> Based on this, you must have:
>
> System Type --> TI OMAP Implementations --> System Timer
>
> set to 'MPU timer'. Please change to 32k timer. Using MPU timer will
> keep timers not in WKUP powerdomain (which is all of them except GPT1)
> running across suspend, preventing PER from hitting RET.
>
> Using the 32k timer only uses GPT1 and sources it from the 32k clock, both
> of which are in the WKUP powerdomain.
Nope, I have the following kernel message:
OMAP clockevent source: GPTIMER12 at 32768 Hz
and the following Kconfig options (also see the attached .config)
# CONFIG_OMAP_MPU_TIMER is not set
CONFIG_OMAP_32K_TIMER=y
>> MOD: CM_CCR (48004d00)
>> 00 => f8311037 04 => 00000017 20 => 00000201 30 => 00000009
>> 34 => 00000001 40 => 094c0c00 44 => 0001b00c 48 => 00000009
>> 50 => 00000001 70 => 00000003
>> MOD: CM_DSS (48004e00)
>> 20 => 00000003 30 => 00000001 40 => 00001006 48 => 00000003
>> MOD: CM_CAM (48004f00)
>> 20 => 00000001 30 => 00000001 40 => 00000004 48 => 00000003
>> MOD: CM_PER (48005000)
>> 10 => 0003e000 20 => 00001fff 30 => 0003ffff 40 => 000000ff
>> 44 => 00000006 48 => 00000003 4c => 00000001
>> MOD: CM_EMU (48005100)
>> 40 => 03020a50 48 => 00000002 4c => 00000001
>> MOD: CM_NEON (48005300)
>> 48 => 00000003
>> MOD: CM_USB (48005400)
>> 20 => 00000003 30 => 00000001 48 => 00000003
>> MOD: PRM_IVA2 (48316000)
>> 50 => 00000007 e0 => 00ff0f04 f8 => 00000007
>> MOD: PRM_OCP (48306800)
>> 04 => 00000010 14 => 00000001 1c => 00000201
>> MOD: PRM_MPU (48306900)
>> 58 => 00000005 d4 => 00000012 e0 => 00030104 e4 => 000000c7
>> e8 => 000000c7
>> MOD: PRM_CORE (48306a00)
>> 58 => 00000301 a0 => c33ffe18 a4 => c33ffe18 a8 => c33ffe18
>> e0 => 000f0304 e4 => 000000f7 e8 => 000000f7 f0 => 00000004
>> f4 => 00000004 f8 => 00000004
>> MOD: PRM_SGX (48306b00)
>> e0 => 00030104
>> MOD: PRM_WKUP (48306c00)
>> a0 => 0000010b a4 => 0000010b
>> MOD: PRM_CCR (48306d00)
>> 40 => 00000003
>> MOD: PRM_DSS (48306e00)
>> 58 => 00000005 a0 => 00000001 e0 => 00030104
>> MOD: PRM_CAM (48306f00)
>> 58 => 00000001 e0 => 00030104
>> MOD: PRM_PER (48307000)
>> 58 => 00000001 a0 => 0003efff a4 => 0003efff a8 => 0003efff
>> c8 => 00000007 e0 => 00030104 e4 => 00000007 e8 => 00000007
>> MOD: PRM_EMU (48307100)
>> 58 => 00000005 e4 => 00000103
>> MOD: PRM_GLBL (48307200)
>> 20 => 00120012 24 => 00010000 2c => 301e1e30 30 => 2c1e1e2c
>> 34 => 00120000 38 => 00000018 54 => 00001006 58 => 00000001
>> 60 => 0000000e 64 => 00000050 70 => 00000088 90 => 0fff0fff
>> 94 => 000000ff 98 => 000000ff 9c => 00000002 a0 => 000000ff
>> c4 => 00000001 e4 => 00000001
>> MOD: PRM_NEON (48307300)
>> 58 => 00000005 c8 => 00000002 e0 => 00000004 e4 => 00000003
>> e8 => 00000003
>> MOD: PRM_USB (48307400)
>> 58 => 00000001 a0 => 00000001 a4 => 00000001 a8 => 00000001
>> e0 => 00030104
>>
>>
>>> Also, post dump of
>>>
>>
>> root@beagleboard:/sys# cat /debug/pm_debug/count
>> usbhost_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:1
>> sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1
>> per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1
>> dss_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3
>> cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:1
>> core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1
>> neon_pwrdm (ON),OFF:2,RET:0,INA:14100,ON:14103
>> mpu_pwrdm (ON),OFF:2,RET:0,INA:14100,ON:14103
>> iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:1
>> per_clkdm->per_pwrdm (9)
>> usbhost_clkdm->usbhost_pwrdm (0)
>> cam_clkdm->cam_pwrdm (0)
>> dss_clkdm->dss_pwrdm (2)
>> core_l4_clkdm->core_pwrdm (8)
>> core_l3_clkdm->core_pwrdm (4)
>> d2d_clkdm->core_pwrdm (0)
>> sgx_clkdm->sgx_pwrdm (0)
>> iva2_clkdm->iva2_pwrdm (0)
>> neon_clkdm->neon_pwrdm (0)
>> mpu_clkdm->mpu_pwrdm (0)
>> virt_opp_clkdm->wkup_pwrdm (0)
>> prm_clkdm->wkup_pwrdm (10)
>> cm_clkdm->core_pwrdm (3)
>
> Based on this, I see that you're DSS is not the problem anymore as it
> is hitting off, but neither PER nor CORE have made any transistions.
> PER is most likely because of the timer issue above. Not sure yet
> about CORE.
>
> In addtion to more details on your hardware and .config, Can you send
> me the console log of a full boot followed by trying just retention in
> suspend by doing the following right after boot:
>
> # cat /debug/pm_debug/count
> # echo 1 > /sys/power/clocks_off_while_idle
> # echo mem > /sys/power/state
>
> <after wakeup>
>
> # cat /debug/pm_debug/count
> # cat /debug/pm_debug/registers/1
boot log (clockdomain debug output modified to only display messages
regarding the per_clkdm. Debug outpout also modified to display all
clk add and remove events, not just those that change the use count
from 0 to 1 and vice versa)
Texas Instruments X-Loader 1.41
Starting OS Bootloader...
U-Boot 1.3.3 (Jul 10 2008 - 16:33:09)
OMAP3530-GP rev 2, CPU-OPP2 L3-165MHz
OMAP3 Beagle Board + LPDDR/NAND
DRAM: 128 MB
NAND: 256 MiB
In: serial
Out: serial
Err: serial
Audio Tone on Speakers ... complete
Hit any key to stop autoboot: 0
NAND read: device 0 offset 0x280000, size 0x400000
4194304 bytes read: OK
## Booting kernel from Legacy Image at 80000000 ...
Image Name: Linux-2.6.29-omap1-pm
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 1476992 Bytes = 1.4 MB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
Starting kernel ...
Uncompressing Linux................................................................................................
done, booting the kern.
Linux version 2.6.29-omap1-pm (russ@russ-laptop) (gcc version 4.3.1
(GCC) ) #47 PREEMPT Tue Mar 31 14:13:51 MST 2009
CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387f
CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
Machine: OMAP3 Beagle Board
Memory policy: ECC disabled, Data cache writeback
OMAP3430 ES3.0
SRAM: Mapped pa 0x40200000 to va 0xd7000000 size: 0x100000
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: console=ttyS2,115200n8 root=/dev/mtdblock4
rootfstype=jffs2 rw g_ether.host_addr=B6:A3:A1:7D:8F:F0
omapfb.mode=dvi:126
Unknown boot option `g_ether.host_addr=B6:A3:A1:7D:8F:F0': ignoring
Unknown boot option `omapfb.mode=dvi:1280x720M-16': ignoring
Clocking rate (Crystal/DPLL/ARM core): 26.0/332/500 MHz
Reprogramming SDRC
GPMC revision 5.0
IRQ: Found an INTC at 0xd8200000 (revision 4.0) with 96 interrupts
Total of 96 interrupts on 1 active controller
OMAP34xx GPIO hardware version 2.5
PID hash table entries: 512 (order: 9, 2048 bytes)
OMAP clockevent source: GPTIMER12 at 32768 Hz
Console: colour dummy device 80x30
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 128MB = 128MB total
Memory: 126648KB available (2692K code, 299K data, 96K init)
Calibrating delay loop... 491.57 BogoMIPS (lpj=1921024)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 544 bytes
regulator: core version 0.5
NET: Registered protocol family 16
Found NAND on CS0
Registering NAND on CS0
OMAP DMA hardware revision 4.0
bio: create slab <bio-0> at 0
i2c_omap i2c_omap.1: bus 1 rev3.12 at 2600 kHz
twl4030: PIH (irq 7) chaining IRQs 368..375
twl4030: power (irq 373) chaining IRQs 376..383
twl4030: gpio (irq 368) chaining IRQs 384..401
beagle_twl_gpio_setup:145
twl4030_mmc_init:324
twl4030_mmc_init:339
regulator: VMMC1: 1850 <--> 3150 mV normal standby
regulator: VDAC: 1800 mV normal standby
regulator: VUSB1V5: 1500 <--> 0 mV normal standby
regulator: VUSB1V8: 1800 <--> 0 mV normal standby
regulator: VUSB3V1: 3100 <--> 0 mV normal standby
regulator: VPLL2: 1800 mV normal standby
regulator: VSIM: 1800 <--> 3000 mV normal standby
i2c_omap i2c_omap.3: bus 3 rev3.12 at 100 kHz
SCSI subsystem initialized
twl4030_usb twl4030_usb: Initialized TWL4030 USB module
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
NET: Registered protocol family 1
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
msgmni has been set to 247
alg: No test for stdrng (krng)
io scheduler noop registered (default)
omapfb: configured for panel omap3beagle
omapfb: skipping hardware initialization
omapfb: DISPC version 3.0 initialized
Console: switching to colour frame buffer device 128x48
omapfb: Framebuffer initialized. Total vram 1572864 planes 1
omapfb: Pixclock 64000 kHz hfreq 59.0 kHz vfreq 76.9 Hz
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
serial8250.0: ttyS0 at MMIO 0x4806a000 (irq = 72) is a ST16654
serial8250.0: ttyS1 at MMIO 0x4806c000 (irq = 73) is a ST16654
serial8250.0: ttyS2 at MMIO 0x49020000 (irq = 74) is a ST16654
console [ttyS2] enabled
i2c /dev entries driver
Driver 'sd' needs updating - please use bus_type methods
omap2-nand driver initializing
NAND device: Manufacturer ID: 0x2c, Chip ID: 0xba (Micron NAND 256MiB
1,8V 16-bit)
cmdlinepart partition parsing not available
Creating 5 MTD partitions on "omap2-nand":
0x000000000000-0x000000080000 : "X-Loader"
0x000000080000-0x000000260000 : "U-Boot"
0x000000260000-0x000000280000 : "U-Boot Env"
0x000000280000-0x000000680000 : "Kernel"
0x000000680000-0x000010000000 : "File System"
twl4030_rtc twl4030_rtc: rtc core: registered twl4030_rtc as rtc0
cpuidle: using governor ladder
cpuidle: using governor menu
mmci-omap-hs mmci-omap-hs.0: Failed to get debounce clock
TCP cubic registered
NET: Registered protocol family 17
NET: Registered protocol family 15
Power Management for TI OMAP3.
pm_dbg_init()
Disabling unused clock "sr2_fck"
Disabling unused clock "sr1_fck"
Disabling unused clock "mcbsp_fck"
Disabling unused clock "mcbsp_fck"
Disabling unused clock "mcbsp_fck"
Disabling unused clock "mcbsp_ick"
Disabling unused clock "mcbsp_ick"
Disabling unused clock "mcbsp_ick"
Disabling unused clock "gpt2_ick"
Disabling unused clock "gpt3_ick"
Disabling unused clock "gpt4_ick"
Disabling unused clock "gpt5_ick"
Disabling unused clock "gpt6_ick"
Disabling unused clock "gpt7_ick"
Disabling unused clock "gpt8_ick"
Disabling unused clock "gpt9_ick"
Disabling unused clock "wdt3_ick"
Disabling unused clock "wdt3_fck"
Disabling unused clock "gpio2_dbck"
Disabling unused clock "gpio3_dbck"
Disabling unused clock "gpio4_dbck"
Disabling unused clock "gpio5_dbck"
Disabling unused clock "gpio6_dbck"
Disabling unused clock "gpt9_fck"
Disabling unused clock "gpt8_fck"
Disabling unused clock "gpt7_fck"
Disabling unused clock "gpt6_fck"
Disabling unused clock "gpt5_fck"
Disabling unused clock "gpt4_fck"
Disabling unused clock "gpt3_fck"
Disabling unused clock "gpt2_fck"
Disabling unused clock "gpt1_ick"
Disabling unused clock "wdt1_ick"
Disabling unused clock "wdt2_ick"
Disabling unused clock "wdt2_fck"
Disabling unused clock "gpio1_dbck"
Disabling unused clock "gpt1_fck"
Disabling unused clock "cam_ick"
Disabling unused clock "cam_mclk"
Disabling unused clock "dss_96m_fck"
Disabling unused clock "des1_ick"
Disabling unused clock "sha11_ick"
Disabling unused clock "rng_ick"
Disabling unused clock "aes1_ick"
Disabling unused clock "ssi_ick"
Disabling unused clock "mailboxes_ick"
Disabling unused clock "mcbsp_ick"
Disabling unused clock "mcbsp_ick"
Disabling unused clock "gpt10_ick"
Disabling unused clock "gpt11_ick"
Disabling unused clock "i2c_ick"
Disabling unused clock "mcspi_ick"
Disabling unused clock "mcspi_ick"
Disabling unused clock "mcspi_ick"
Disabling unused clock "mcspi_ick"
Disabling unused clock "hdq_ick"
Disabling unused clock "mspro_ick"
Disabling unused clock "des2_ick"
Disabling unused clock "sha12_ick"
Disabling unused clock "aes2_ick"
Disabling unused clock "icr_ick"
Disabling unused clock "pka_ick"
Disabling unused clock "hsotgusb_ick"
Disabling unused clock "ssi_ssr_fck"
Disabling unused clock "hdq_fck"
Disabling unused clock "mcspi_fck"
Disabling unused clock "mcspi_fck"
Disabling unused clock "mcspi_fck"
Disabling unused clock "mcspi_fck"
Disabling unused clock "mcbsp_fck"
Disabling unused clock "mcbsp_fck"
Disabling unused clock "i2c_fck"
Disabling unused clock "mspro_fck"
Disabling unused clock "gpt11_fck"
Disabling unused clock "gpt10_fck"
Disabling unused clock "sad2d_ick"
Disabling unused clock "dpll5_ck"
clock: dpll5_ck failed transition to 'locked'
Disabling unused clock "dpll4_m6x2_ck"
Disabling unused clock "dpll4_m3x2_ck"
Disabling unused clock "dpll3_m3x2_ck"
Disabling unused clock "sys_clkout1"
VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
twl4030_rtc twl4030_rtc: setting system clock to 2009-02-28 14:45:54
UTC (1235832354)
Empty flash at 0x014d884c ends at 0x014d9000
Empty flash at 0x0365d678 ends at 0x0365d800
Empty flash at 0x03d4b128 ends at 0x03d4b800
Empty flash at 0x065f2240 ends at 0x065f2800
Empty flash at 0x081d3c08 ends at 0x081d4000
jffs2_scan_dirent_node(): Node CRC failed on node at 0x082bdfe4: Read
0xffffffff, calculated 0x8bd04d99
Empty flash at 0x082be01c ends at 0x082be800
Empty flash at 0x0ee1e7cc ends at 0x0ee1e800
JFFS2 error: (1) jffs2_build_inode_pass1: child dir "players" (ino
#35930) of dir ino #35929 appears to be a hard link
VFS: Mounted root (jffs2 filesystem) on device 31:4.
Freeing init memory: 96K
INIT: version 2.86 booting
Please wait: booting...
Starting udevudevd version 124 started
Remounting root file system...
uncorrectable error : <3>uncorrectable error : <3>end_request: I/O
error, dev mtdblock0, sector 0
Buffer I/O error on device mtdblock0, logical block 0
uncorrectable error : <3>end_request: I/O error, dev mtdblock0, sector 8
Buffer I/O error on device mtdblock0, logical block 1
uncorrectable error : <3>end_request: I/O error, dev mtdblock0, sector 16
Buffer I/O error on device mtdblock0, logical block 2
uncorrectable error : <3>end_request: I/O error, dev mtdblock0, sector 24
Buffer I/O error on device mtdblock0, logical block 3
uncorrectable error : <3>uncorrectable error : <3>end_request: I/O
error, dev mtdblock0, sector 0
Buffer I/O error on device mtdblock0, logical block 0
logger: mount: mount point /proc/bus/usb does not exist
ALSA: Restoring mixer settings...
Configuring network interfaces... done.
Starting portmap daemon: portmap.
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1
/usr/sbin/alsactl: load_state:1616: No soundcards found...
INIT: Entering runlevel: 5
No LEDs detected
Starting Dropbear SSH server: dropbear.
Starting advanced power management daemon: No APM support in kernel
(failed.)
Starting system message bus: dbus.
Starting Hardware abstraction layer hald
Starting syslogd/klogd: done
* Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon
[ ok ]
Starting Bluetooth subsystem: hcid hid2hci.
Starting hidd...
Can't open HIDP control socket: Address family not supported by protocol
Starting pand...
Failed to open control socket: Address family not supported by protocol
Running ntpdate to synchronize clockError : Temporary failure in name resolution
.
ERROR: Module omaplfb does not exist in /proc/modules
ERROR: Module pvrsrvkm does not exist in /proc/modules
Usage: insmod filename [args]
FATAL: Module omaplfb not found.
mknod: missing operand after `0'
Try `mknod --help' for more information.
chmod: cannot access `/dev/pvrsrvkm': No such file or directory
/dev/mem opened.
Memory mapped at address 0x4001f000.
Value at address 0x48004B40 (0x4001fb40): 0x2
Written 0x0; readback 0x0
Starting GPE display manager: gpe-dm
.-------.
| | .-.
| | |-----.-----.-----.| | .----..-----.-----.
| | | __ | ---'| '--.| .-'| | |
| | | | | |--- || --'| | | ' | | | |
'---'---'--'--'--. |-----''----''--' '-----'-'-'-'
-' |
'---'
The Angstrom Distribution beagleboard ttyS2
Angstrom 2009.X-test-20090309 beagleboard ttyS2
beagleboard login: root
root@beagleboard:~# mount /debug/
root@beagleboard:~# cd /sys/power/
root@beagleboard:/sys/power# echo 1 > clocks_off_while_idle
root@beagleboard:/sys/power# dmesg -n 8
root@beagleboard:/sys/power# echo mem > state
PM: Syncing filesystems ... done.
PM: Preparing system for mem sleep
Freezing user space processes ... (elapsed 0.00 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
PM: Entering mem sleep
Suspending console(s) (use no_console_suspend to debug)
omapfb omapfb: timeout waiting for FRAME DONE
clockdomain: clkdm per_clkdm: removing clk uart3_ick
clockdomain: clkdm per_clkdm: removing clk per_48m_fck
clockdomain: clkdm per_clkdm: removing clk uart3_fck
clockdomain: clkdm per_clkdm: adding clk uart3_ick
clockdomain: clkdm per_clkdm: adding clk uart3_fck
clockdomain: clkdm per_clkdm: adding clk per_48m_fck
Powerdomain (core_pwrdm) didn't enter target state 1
Powerdomain (per_pwrdm) didn't enter target state 1
Could not enter target state in pm_suspend
PM: Finishing wakeup.
Restarting tasks ... done.
root@beagleboard:/sys/power# cat /debug/pm_debug/count
usbhost_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1
per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1
dss_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2
cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1
core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1
neon_pwrdm (ON),OFF:0,RET:1,INA:958,ON:960
mpu_pwrdm (ON),OFF:0,RET:1,INA:958,ON:960
iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1
per_clkdm->per_pwrdm (9)
usbhost_clkdm->usbhost_pwrdm (0)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (2)
core_l4_clkdm->core_pwrdm (11)
core_l3_clkdm->core_pwrdm (4)
d2d_clkdm->core_pwrdm (0)
sgx_clkdm->sgx_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
neon_clkdm->neon_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
virt_opp_clkdm->wkup_pwrdm (0)
prm_clkdm->wkup_pwrdm (10)
cm_clkdm->core_pwrdm (4)
root@beagleboard:/sys/power# cat /debug/pm_debug/registers/1
MOD: CM_IVA2 (48014000)
04 => 00000037 20 => 00000001 34 => 00000001 40 => 0009680c
44 => 00000001 48 => 00000003
MOD: CM_OCP (48004800)
00 => 00000010 10 => 00000001
MOD: CM_MPU (48004900)
04 => 00000037 24 => 00000001 34 => 00000001 40 => 0011f40c
44 => 00000001 48 => 00000003 4c => 00000001
MOD: CM_CORE (48004a00)
10 => 00000042 20 => ffffffbd 24 => 0000001f 28 => 0000000d
30 => fffffed9 34 => 0000001f 38 => 0000000c 40 => 0000030a
48 => 0000003f 4c => 00000003
MOD: CM_SGX (48004b00)
20 => 00000001 48 => 00000003
MOD: CM_WKUP (48004c00)
10 => 0000000e 20 => 000002f1 30 => 0000003f 40 => 00000015
MOD: CM_CCR (48004d00)
00 => f8311037 04 => 00000017 20 => 00000201 30 => 00000009
34 => 00000001 40 => 094c0c00 44 => 0001b00c 48 => 00000009
50 => 00000001 70 => 00000003
MOD: CM_DSS (48004e00)
20 => 00000003 30 => 00000001 40 => 00001006 48 => 00000003
MOD: CM_CAM (48004f00)
20 => 00000001 30 => 00000001 40 => 00000004 48 => 00000003
MOD: CM_PER (48005000)
10 => 0003e000 20 => 00001fff 30 => 0003ffff 40 => 000000ff
44 => 00000006 48 => 00000003 4c => 00000001
MOD: CM_EMU (48005100)
40 => 03020a50 48 => 00000001
MOD: CM_NEON (48005300)
48 => 00000003
MOD: CM_USB (48005400)
20 => 00000003 30 => 00000001 48 => 00000003
MOD: PRM_IVA2 (48316000)
50 => 00000007 e0 => 00ff0f05 e4 => 00000555 e8 => 00000555
f8 => 00000005
MOD: PRM_OCP (48306800)
04 => 00000010 14 => 00000001 1c => 00000201
MOD: PRM_MPU (48306900)
58 => 00000001 d4 => 00000012 e0 => 00030105 e4 => 000000c7
e8 => 000000c7
MOD: PRM_CORE (48306a00)
58 => 00000301 a0 => c33ffe18 a4 => c33ffe18 a8 => c33ffe18
e0 => 000f0305 e4 => 000000f7 e8 => 000000f7 f0 => 00000004
f4 => 00000004 f8 => 00000004
MOD: PRM_SGX (48306b00)
e0 => 00030104
MOD: PRM_WKUP (48306c00)
a0 => 0000010b a4 => 0000010b
MOD: PRM_CCR (48306d00)
40 => 00000003
MOD: PRM_DSS (48306e00)
58 => 00000001 a0 => 00000001 e0 => 00030105 e4 => 00000001
e8 => 00000001
MOD: PRM_CAM (48306f00)
58 => 00000001 e0 => 00030105 e4 => 00000001 e8 => 00000001
MOD: PRM_PER (48307000)
58 => 00000001 a0 => 0003efff a4 => 0003efff a8 => 0003efff
c8 => 00000007 e0 => 00030105 e4 => 00000007 e8 => 00000007
MOD: PRM_EMU (48307100)
58 => 00000001 e4 => 00000100
MOD: PRM_GLBL (48307200)
20 => 00120012 24 => 00010000 2c => 301e1e30 30 => 2c1e1e2c
34 => 00120000 38 => 00000018 54 => 00001006 58 => 00000001
60 => 00000002 64 => 00000050 70 => 00000088 90 => 0fff0fff
94 => 000000ff 98 => 000000ff 9c => 00000002 a0 => 000000ff
c4 => 00000001 e4 => 00000001
MOD: PRM_NEON (48307300)
58 => 00000001 c8 => 00000002 e0 => 00000005 e4 => 00000003
e8 => 00000003
MOD: PRM_USB (48307400)
58 => 00000001 a0 => 00000001 a4 => 00000001 a8 => 00000001
e0 => 00030105 e4 => 00000001 e8 => 00000001
root@beagleboard:/sys/power#
Attachment:
.config
Description: Binary data
