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path: root/src/soc/intel/baytrail/romstage
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2014-05-06baytrail: add support for S3 resumeAaron Durbin
Previously the only path through memory init and coreboot was hardcoding S5. Therefore all S3 paths would not be taken. Allow for S3 resume to work by enabling the proper control paths in romstage. BUG=chrome-os-partner:22867 BRANCH=None TEST=While in kernel 'echo mem > /sys/power/state'. Board went into S3. Power button press resumed back into kernel. Change-Id: I3cbae73223f0d71c74eb3d6b7c25d1b32318ab3e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/175940 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4943 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2014-04-09console: Move newline translation outside console_tx_byteKyösti Mälkki
This gives us completely transparent low-level function to transmit data. Change-Id: I706791ff43d80a36a7252a4da0e6f3af92520db7 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5336 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-02-27baytrail: increment boot count for elogAaron Durbin
The elog boot counter in cmos was not being initialized nor incremented. Start doing that in romstage. Since S3 resume is not detected yet the increment is unconditional. BUG=None BRANCH=None TEST=Built and booted through depthcharge multiple times. Noted output such as 'Boot Count incremented to 4'. Change-Id: Ic585d4ad4b3af086e0067e28fe0f35c02979bbd2 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/174717 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4919 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
2014-02-24baytrail: Enable GFX deviceDuncan Laurie
- Ungate display in PUNIT - Set GSM to 64MB since 32MB is not supported in <C0 stepping - Initialize power management registers in GTT - Execute VBIOS if found BUG=chrome-os-partner:23507 BRANCH=rambi TEST=build and boot to dev screen via HDMI on rambi Change-Id: Idb032c7ea7f16b651b4c921e3429a652fe663a5d Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/174922 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4907 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-02-24baytrail: initialize chromeos EC if present in romstageAaron Durbin
The EC needs to be initialized early in romstage. Therefore perform the call after console has been initialized in order to view any messages that the code may spit out. BUG=chrome-os-partner:23387 BRANCH=None TEST=Built and booted with recovery mode and EC in RW. Noted that system reboots the EC. Change-Id: I35aa3ea4aa3dbd9bd806b6498e227f45ceebd7a1 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/174713 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4904 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-02-16baytrail: SMM supportAaron Durbin
Initialize SMM on all CPUs by relocating the SMM region and setting SMRR on all the cores. Additionally SMI is enabled in the south cluster. BUG=chrome-os-partner:22862 BRANCH=None TEST=Built and booted rambi. Tested with DEBUG_SMI and noted power button turns off board while in firmware. Change-Id: I92e3460572feeb67d4a3d4d26af5f0ecaf7d3dd5 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/173983 Reviewed-on: http://review.coreboot.org/4892 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-15coreboot: infrastructure for different ramstage loadersAaron Durbin
There are 2 methods currently available in coreboot to load ramstage from romstage: cbfs and vboot. The vboot path had to be explicitly enabled and code needed to be added to each chipset to support both. Additionally, many of the paths were duplicated between the two. An additional complication is the presence of having a relocatable ramstage which creates another path with duplication. To rectify this situation provide a common API through the use of a callback to load the ramstage. The rest of the existing logic to handle all the various cases is put in a common place. Change-Id: I5268ce70686cc0d121161a775c3a86ea38a4d8ae Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5087 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-02-13baytrail: print dram configurationAaron Durbin
After running the MRC blob print out some information on the training: MRC version, number channels, DDR3 type, and DRAM frequency. Example output: MRC v0.90 2 channels of DDR3 @ 1066MHz Apparently there are two dunit IOSF ports -- 1 for each channel. However, certain registers really on live in channel 0. Thus, there was some changes to dunit support in the iosf area. BUG=chrome-os-partner:22875 BRANCH=None TEST=Built and booted bayleybay in different configs. Change-Id: Ib306432b55f9222b4eb3d14b2467bc0e7617e24f Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/172770 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4882 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-13baytrail: add vboot ramstage verificationAaron Durbin
Add suport for verifying the ramstage with vboot during romstage execution. Along with this support select CACHE_RELOCATED_RAMSTAGE_OUTSIDE_CBMEM to cache the relocated ramstage 1MiB below the top end of the TSEG region. BUG=chrome-os-partner:23249 BRANCH=None TEST=Built and booted with CONFIG_VBOOT_VERIFY_FIRMWARE=y selected. Signed-off-by: Aaron Durbin <adurbin@chromium.org> Change-Id: I355f62469bdcca62b0a4468100effab0342dc8fc Reviewed-on: https://chromium-review.googlesource.com/172712 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4880 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-11baytrail: move early init to before mainboardAaron Durbin
It's helpful to have a lot of the early init happen before the handoff to mainboard. One example of this need is having the BARs programmed so that the mainboard can read board-specific gpios. BUG=chrome-os-partner:22865 BRANCH=None TEST=Built. Booted and saw console outout in bayleybay mainboard. Signed-off-by; Aaron Durbin <adurbin@chromium.org> Change-Id: I030d7b4f9061ad7501049e8e204ea12255061fbe Reviewed-on: https://chromium-review.googlesource.com/172290 Tested-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Commit-Queue: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4871 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-11baytrail: Add functions to peek at GPIO input valuesShawn Nematbakhsh
- Add functions to peek at GPIO input pad values (need to be used from romstage for board ram_id GPIOs) - Modify UART GPIOs to use existing fn-assignment function TEST=Manual. Add debug print and verify that GPIO functions return input values. Also, verify UART still functions in romstage. BUG=chrome-os-partner:22865 Change-Id: Ib2e57631c127a592cfa20ab6e2184822424e9d77 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/172189 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4870 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-11baytrail: set max frequency early in romstageAaron Durbin
Set the BSP to operate at max frequency early in romstage. The call to punit_init() is when the frequency actually ramps as that makes the punit actually start working. BUG=chrome-os-partner:22857 BRANCH=None TEST=Built and booted. Noted operating frequency status is max. Change-Id: Icfd9e5c7682aa21fc740bd687607ca6a66597d5e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/172131 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4869 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-11baytrail: adjust cache policy during romstageAaron Durbin
The caching policy for romstage was previously using a 32KiB of cache-as-ram for both the MRC wrapper and the romstage stack/data. It also used a 32KiB code cache region. The BWG's limitations for the code and data region before memory is up was wrong. It consists of a 16-way set associative 1MiB cache. As long as enough addresses are not read there isn't a risk of evicting the data/stack. Now create a 64KiB cache-as-ram region split evenly between romstage and the MRC wrapper. Additionally cache the memory just below 4GiB in CBFS size. This will cover any code and read-only data needed. BUG=chrome-os-partner:22858 BRANCH=None TEST=Built and booted quickly with corresponding changes to MRC warpper. CQ-DEPEND=CL:*146175 Change-Id: I021cecb886a9c0622005edc389136d22905d4520 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/172150 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4868 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-05baytrail: initialize punitAaron Durbin
The punit is responsible for a number of things. Without performing the sequence included it won't change processor frequency when requested and apparently there are some bizarre hangs introduced if this sequence isn't included either. Lastly, this needs to come after microcode has been loaded. As that is done in bootblock the ordering is correct. One other side effect is that this fixes the graphics devices' device id. Before it was showing up as the same device id of the SoC transaction router. BUG=chrome-os-partner:22880 BUG=chrome-os-partner:23085 BUG=chrome-os-partner:22876 BRANCH=None TEST=Built and booted. Change-Id: Ib7be1d4b365e9a45647c778ee5f91de497c55bf1 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/171862 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4864 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-02-05baytrail: disable tco timerAaron Durbin
The TCO timer always starts ticking out of reset. However, depending on microcode loading and punit initialization the TCO timing out has a different impact on the sytem. Without loading microcode or initializing the punit the tco times out and nothing happens. However, when microcode is loaded a timeout will reset the system. Lastly, if the punit is initialized but the microcode isn't loaded the TCO timeout will shut down the system. To fix all the weird symptoms disable the TCO. BUG=chrome-os-partner:22858 BRANCH=None TEST=Built and booted with microcode loading. Reset doesn't occur. Change-Id: I49cd62f510726a96bf734ae728a352c671d1561e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/171860 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4862 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-02-05baytrail: program PUNIT memory-mapped base addressAaron Durbin
Apparently there was another BAR living at 0x5c in the LPC bridge that mapped the PUNIT registers. EDS 2.0 released and this register is now documented. BUG=chrome-os-partner:23085 BRANCH=None TEST=Built and booted. Change-Id: I5892c2a14923b57826060e92b4335cb1952ea057 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/171612 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4861 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-02-05baytrail: import and use updated mrc_wrapper.hAaron Durbin
The mrc_wrapper.h was changed to protect against ABI differences between the two sets of compilers and flags used. This requires a prope shim for the console output funciton. BUG=chrome-os-partner:23048 BRANCH=None TEST=Built and booted successfully. Change-Id: I976e692e66dcfc0eacadae6173abfd9b81e31137 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/171580 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4858 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-02-05baytrail: start collecting timestampsAaron Durbin
This commit always selects COLLECT_TIMESTAMPS and starts tracking TSC values from the early stages of bootblock. The initial timestamp value is saved in mm0 and mm1 while in bootlbock. This approach works because romcc is not configured to use mmx registers for its compilation. Additionally, the romstage api with the mainboard was changed to always pass around a pointer to a romstage_params structure as the timestamps are saved in there until ram is up. BUG=chrome-os-partner:22873 BRANCH=None TEST=Built and booted with added code to print out timestamps at end of ramstage. Everything looks legit. Change-Id: Iba8d5fff1654afa6471088c46a357474ba533236 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/170950 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4856 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-01-31baytrail: initialize graphics before MRCAaron Durbin
The graphics device needs to have its resource contraints initialized before running the reference code. Right now just use a 256MiB aperture, 32MiB of stolen memory data, and 2MiB GTT memory. BUG=chrome-os-partner:22869 BRANCH=None TEST=Built and booted. Noted amount of stolen memory matches configuration as well as BAR size within the graphics device. Change-Id: I328bf858f288363187cf705d6340947393b5ff10 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/170427 Reviewed-on: http://review.coreboot.org/4850 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-01-31baytrail: add initial supportAaron Durbin
The initial Bay Trail code is intended to support the mobile and desktop version of Bay Trail. This support can train memory and execute through ramstage. However, the resource allocation is not curently handled correctly. The MRC cache parameters are successfully saved and reused after the initial cold boot. BUG=chrome-os-partner:22292 BRANCH=None TEST=Built and booted on a reference board through ramstage. Change-Id: I238ede326802aad272c6cca39d7ad4f161d813f5 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/168387 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4847 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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