Re: new PM branch available

[Kevin Hilman <khilman@deeprootsystems.com>]

Sriram V wrote:
> Hi,
>     OMAP3EVM. all domains hit retention in suspend.
> 
>   On enabling cpuidle, network and mmc is not stable. network is
> unable to get an IP address.

Sriram,

Can you send me your .config for omap3evm?  I'm trying to get my 
recently received EVM working but I am getting lots of garbage on the 
serial console on linux-omap HEAD and PM branch on omap3evm.  Do you 
have any additional patches for EVM that you're using?

Kevin


> 
> On Wed, Jan 14, 2009 at 3:21 AM, Kevin Hilman
> <khilman@deeprootsystems.com> wrote:
>> Hello,
>>
>> The latest PM branch is now available[1].
>>
>> I've done basic testing of retention and off-mode (suspend and dynamic
>> idle) on Beagle and custom HW.  My SDP has something still keeping
>> CORE active that others have not seen, but I have yet to debug.  Any
>> other reports from SDP testing would be appreciated.
>>
>> Notable changes/updates
>> - rebased on latest clock updates and fixes from Paul
>> - clockfw pre- and post- notifiers
>> - DVFS for VDD2
>>
>> Full git shortlog below[2]
>>
>> Enjoy,
>>
>> Kevin
>>
>> [1] See branch 'pm' in my git repo:
>> git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm.git
>> which is also mirrored as the branch 'pm' of the normal linux-omap
>> repo (but will not sync until 03:30 GMT)
>>
>>
>> [2] git shortlog:
>>
>> Carlos Chinea (1):
>>      OMAP3:PM: Update SSI omapdev record
>>
>> Jouni Hogander (5):
>>      OMAP3: PM: Use pwrdm_set_next_pwrst instead of set_pwrdm_state in idle loop
>>      OMAP3: PM: Fix wrong sequence in suspend.
>>      OMAP3: PM: Do not build suspend code if SUSPEND is not enabled
>>      OMAP: PM: Build fails if PM is not enabled
>>      OMAP2: PM: Fix omap2 build
>>
>> Kalle Jokiniemi (3):
>>      OMAP: PM: sysfs interface for enabling voltage off in idle
>>      OMAP3: PM: Fix cpu idle init sequencing
>>      OMAP: SRF: Fixes to shared resource framework (Ver.3)
>>
>> Kevin Hilman (4):
>>      OMAP3: PM: CPUidle: obey enable_off_mode flag
>>      OMAP3: PM: CPUidle: restrict C-states on UART activity
>>      OMAP3: PM: decouple PER and CORE context save and restore
>>      OMAP2/3: PM: system_rev -> omap_rev()
>>
>> Paul Walmsley (29):
>>      OMAP2/3 clock: implement clock notifier infrastructure
>>      OMAP clock: add notifier infrastructure
>>      OMAP2/3 clock: store planned clock rates into temporary rate storage
>>      OMAP2/3 clock: add clk post-rate-change notifiers
>>      OMAP2/3 clock: add clock pre-rate-change notification
>>      OMAP2/3 clock: add clock prepare-rate-change notifications
>>      OMAP2/3 clock: add clock abort-rate-change notifications
>>      OMAP2/3 PM: create the OMAP PM interface and add a default OMAP PM no-op layer.
>>      OMAP2/3 omapdev: add basic omapdev structure
>>      OMAP242x omapdev: add OMAP242x omapdev records
>>      OMAP243x omapdev: add OMAP243x omapdev records
>>      OMAP3xxx omapdev: add OMAP3xxx omapdev records
>>      OMAP2/3 omapdev: add code to walk the omapdev records
>>      ARM: MMU: add a Non-cacheable Normal executable memory type
>>      OMAP3 SRAM: mark OCM RAM as Non-cacheable Normal memory
>>      OMAP3 SRAM: add ARM barriers to omap3_sram_configure_core_dpll
>>      OMAP3 clock: add interconnect barriers to CORE DPLL M2 change
>>      OMAP3 SRAM: clear the SDRC PWRENA bit during SDRC frequency change
>>      OMAP3 SDRC: Add 166MHz, 83MHz SDRC settings for the BeagleBoard
>>      OMAP3 SDRC: initialize SDRC_POWER at boot
>>      OMAP3 SRAM: renumber registers to make space for argument passing
>>      OMAP3 clock: only unlock SDRC DLL if SDRC clk < 83MHz
>>      OMAP3 clock: use pr_debug() rather than pr_info() in some clock change code
>>      OMAP3 clock: remove wait for DPLL3 M2 clock to stabilize
>>      OMAP3 clock: initialize SDRC timings at kernel start
>>      OMAP3 clock: add a short delay when lowering CORE clk rate
>>      OMAP3 clock/SDRC: program SDRC_MR register during SDRC clock change
>>      OMAP3 SRAM: add more comments on the SRAM code
>>      OMAP3 SRAM: convert SRAM code to use macros rather than magic numbers
>>
>> Peter 'p2' De Schrijver (12):
>>      OMAP: PM counter infrastructure.
>>      OMAP: PM: Hook into PM counters
>>      OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each.
>>      OMAP: PM: Add pm-debug counters
>>      OMAP: PM debug: make powerdomains use PM-debug counters
>>      OMAP: PM: Add definitions for ETK pads and observability registers
>>      OMAP: Debug observability and ETK padconf implementation
>>      OMAP: Add debug observablity (debobs) Kconfig item
>>      OMAP: PM: Implement get_last_off_on_transaction_id()
>>      Save sram context after changing MPU, DSP or core clocks
>>      Fix omap_getspeed.
>>      Make sure omap cpufreq driver initializes after cpufreq framework and governors
>>
>> Rajendra Nayak (35):
>>      OMAP3: PM: GPMC context save/restore
>>      OMAP3: PM: GPIO context save/restore
>>      OMAP3: PM: I2C context save/restore
>>      OMAP3: PM: INTC context save/restore
>>      OMAP3: PM: PRCM context save/restore
>>      OMAP3: PM: Populate scratchpad contents
>>      OMAP3: PM: SCM context save/restore
>>      OMAP3: PM: SRAM restore function
>>      OMAP3: PM: handle PER/NEON/CORE in idle
>>      OMAP3: PM: Restore MMU table entry
>>      OMAP3: PM: MPU off-mode support
>>      OMAP3: PM: CORE domain off-mode support
>>      OMAP3: PM: allow runtime enable/disable of OFF mode
>>      OMAP3: 3430SDP minimal kernel defconfig
>>      OMAP3: PM: CPUidle: Basic support for C1-C2
>>      OMAP3: PM: CPUidle: Enables state C4
>>      OMAP3: PM: CPUidle: Enables C3 and C5
>>      OMAP3: PM: CPUidle: Safe-state on bm-activity
>>      OMAP3 SRF: Generic shared resource f/w
>>      OMAP3 SRF: MPU/CORE/PD latency modeling
>>      OMAP3 SRF: omap3 srf driver
>>      OMAP3 SRF: OMAP PM srf implementation
>>      OMAP3 SRF: Add CORE rate table param in OMAP-PM
>>      OMAP3 SRF: Add VDD1/VDD2 rate tables for 3430SDP
>>      OMAP3 SRF: Add virt clk nodes for VDD1/VDD2
>>      OMAP3 SRF: Adds OPP/Freq res's in SRF
>>      OMAP3 SRF: Update OMAP-PM layer
>>      OMAP3 SRF: Voltage scaling support
>>      OMAP3 SRF: VDD2 scaling support
>>      OMAP3 SRF: Adds sysfs control for VDD1/VDD2 OPP's
>>      OMAP3 PM: Replace spinlocks with mutex in SRF
>>      OMAP3 PM: CPUFreq driver for OMAP3
>>      OMAP3 PM: Update the min defconfig for 3430sdp
>>      OMAP3 SRF: Fix crash on non-3430SDP platforms with DVFS/CPUFreq
>>      OMAP3: PM: Scale VDD2 OPP for VDD1 OPP3 and higher
>>
>> Tero Kristo (26):
>>      OMAP: PM debug: do not print out status for meta powerdomains (dpll*)
>>      OMAP: PM debug: Add PRCM register dump support
>>      OMAP: PM: DMA context save / restore
>>      OMAP: PM: off-mode support for DMA on EMU/HS devices
>>      OMAP3: SRAM size fix for HS/EMU devices
>>      OMAP3 PM: off-mode support for HS/EMU devices
>>      OMAP3: PM: Enable SDRAM auto-refresh during sleep
>>      OMAP: SDRC: Add new register definitions for SDRAM controller
>>      OMAP3: PM: SDRC auto-refresh workaround for off-mode
>>      PM: Added three PLL registers to the PRCM context save
>>      PM: Changed secure RAM storage size from 0x8000 to 0x803F
>>      PM: Added suspend target state control to debugfs for OMAP3
>>      OMAP3: PM: Prevent PER from going OFF when CORE is going INA
>>      PM OMAP3: Change omap3_save_secure_ram to be called only during init
>>      OMAP3: PM: MPU and CORE should stay awake if there is CAM domain ACTIVE
>>      OMAP3: GPIO fixes for off-mode
>>      PM: OMAP3: Refreshed DVFS VDD1 control against latest clock fw
>>      OMAP3: Add support for DPLL3 divisor values higher than 2
>>      OMAP3: PM: Fixed VDD2 control to work from both sysfs and SRF API
>>      OMAP3: PM: Added DVFS OPP locking interface for VDD1 and VDD2
>>      OMAP3: Fix rate calculation bug in omap3_select_table_rate
>>      OMAP3: PM: Prevented DVFS state switches when enabling off-mode
>>      OMAP3: PM: Enable VDD2 OPP1
>>      OMAP3: PM: Fix linker error without CONFIG_PM option
>>      PM: OMAP3: Removed a couple of unused variables from DVFS code
>>      PM: OMAP3: Added support for possibly failing clk_set_rate to DVFS
>>
>> --
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