After DDR PHY reset de-asserted, DLL automatically starts to
lock, and the lock time is maximum 5.12us. The output clock of
DLL supplies the clocks of DDR controller and PHY digital logic.
So before DLL lock, the clocks of DDR controller and PHY digital
logic are indeterminate. When programming DDR in the period of
DLL unlock, the programming maybe unstable because of the
indeterminate clocks. So we need wait for at least 5.12us after
de-asserting reset, then start to program DDR registers.
10us provide some safety margin.
BUG=chrome-os-partner:33148
TEST=I'm using the following command line test ok(15000 cycles).
"while sleep 4 && dut-control cold_reset:on sleep:.1 cold_reset:off;
do : ; done"
BRANCH=None
Change-Id: Ie7d615f5a2264c615c4b4413d6b828cd3d78cd2b
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 54e1a439c0e29aaf4fc542ae756f7bb036ceaf3e
Original-Change-Id: I55f8cb11ed3d7962567c5f40a31e6c8aed8fdcb0
Original-Signed-off-by: DaiLunXue <dlx@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/232894
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Commit-Queue: Lunxue Dai <lunxue.dai@rock-chips.com>
Original-Tested-by: Lunxue Dai <lunxue.dai@rock-chips.com>
Reviewed-on: http://review.coreboot.org/9578
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Used for audio on Rush/Ryu. I2S1/DAP2 provides the audio
'stream' for the dev/rec mode 'beeps'.
BUG=chrome-os-partner:32582
BRANCH=none
TEST=With follow-on CLs that make use of this support,
audio beeps (via VbExBeep) can be heard on Rush. Built
both Rush and Ryu OK.
Change-Id: Iea5559db4431e48001adbbce17fa0f3aaaf8387c
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 2bd701a5f4186e49739b25f4afd5000d5d9b4970
Original-Change-Id: Ia8c32303979f25300e22b5a14609d9d9d5ce3132
Original-Signed-off-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/233670
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9576
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Some SPI controllers (like Imgtec Pistachio), have a hard limit on SPI
read and write transactions. Limiting transfer size in the wrapper
allows to provide the API user with unlimited transfer size
transactions.
The tranfer size limitation is added to the spi_slave structure, which
is set up by the controller driver. The value of zero in this field
means 'unlimited transfer size'. It will work with existion drivers,
as they all either keep structures in the bss segment, or initialize
them to all zeros.
This patch addresses the problem for reads only, as coreboot is not
expected to require to write long chunks into SPI devices.
BRANCH=none
BUG=chrome-os-partner:32441, chrome-os-partner:31438
TEST=set transfer size limit to artificially low value (4K) and
observed proper operation on both Pistachio and ipq8086: both
Storm and Urara booted through romstage and ramstage.
Change-Id: Ibb96aa499c3eec458c94bf1193fbbbf5f54e1477
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 4f064fdca5b6c214e7a7f2751dc24e33cac2ea45
Original-Change-Id: I9df24f302edc872bed991ea450c0af33a1c0ff7b
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/232239
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/9571
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
WPT-LP has 4 SATA ports. Current code assumes 6 SATA ports and as a result,
some reserved bits are written with 1. No specific issue has been observed
so far.
BUG=None
BRANCH=None
TEST=Verify SATA PCI configure space dump on Auron
Change-Id: I737719b3d5cd788158cd5b6991405ba098be4078
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 2b55587a74ac5d45354dc123937b562290468855
Original-Change-Id: I9c53ac86e2bf72901647bd2cfa48ac0ce31abea0
Original-Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/233661
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/9479
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
The information about the DMA memory area is further passed
through the coreboot table to the payload.
BUG=chrome-os-partner:31438
TEST=tested on Pistachio FPGA; DMA memory area was used to test the
functionality of the DWC2 USB controller driver; behavior was
as expected.
BRANCH=none
Change-Id: I658e32352bd5fab493ffe15ad9340e19d02fd133
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 0debc105b072a37e2a8ae4098a9634d841191d0a
Original-Change-Id: Icf69835dc6a385a59d30092be4ac69bc80245336
Original-Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/235910
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Commit-Queue: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://review.coreboot.org/9593
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
RAM repair has to be performed to cluster 1 also.
BRANCH=none
BUG=none
TEST=Test on Rush and make sure RAM repair completes
Change-Id: I0daf969a995a2be152270bc06501eaf086a13a97
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 6b07894cc737cb192f68e254d522b55d8ca3b2f3
Original-Change-Id: I458e0a66d76318c6a4aa82547c9037c7b969f1e1
Original-Signed-off-by: Yen Lin <yelin@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/239360
Original-Reviewed-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9592
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Rather than enable this in every mainboard just enable
it by default for all broadwell devices and let a
specific mainboard disable it if needed.
BUG=chrome-os-partner:34420
BRANCH=samus,auron
TEST=build and boot on samus
Change-Id: I6e47c20abf29abfbd1f4b7905914b4c9fadb0ae7
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 25d3a685893e1c85f7b78e302da3187947a1f84f
Original-Change-Id: I26d9f2e2a12d3f2f888ecb5af0d949eec5928f57
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/238400
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9590
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This is necessary for the subsequent changes that will add to the size
of romstage.
BUG=chrome-os-partner:31438
TEST=coreboot builds successfully;tested on Pistachio FPGA
BRANCH=none
Change-Id: I132215bd44708913d878bbd8b6147bef535b52df
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 00f73f9d80a36fc43735f093365564b9d74ed7f7
Original-Change-Id: Ie858416a1c9ab63cfe85eea40a76a093cbd2c79c
Original-Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/233871
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Commit-Queue: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://review.coreboot.org/9589
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
edp must reset when device power up, otherwise the edp
register maybe uncertain, now the edp source clock default
select 27M, and in pinky and jerry board we use 24M as edp
sourec clock, if we want to reset edp, we must after the clock
source select 24M.
BUG=chrome-os-partner:34023
TEST=Booted Veyron jerry and read edid normal
BRANCH=None
Change-Id: I4b03dbabe5d3d595d2d56efb0cd82f510f8d2e1b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 2292da77cc2322b85c4b4f4f20e4ebcc4c4d060d
Original-Change-Id: Ica031d2d52deb539c1a0a56968786d6952b3d0e8
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/231336
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-on: http://review.coreboot.org/9555
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Implement VOP and eDP drivers, vop and edp clock configuration,
framebuffer allocation and display configuration logic.
The eDP driver reads panel EDID to determine panel dimensions
and the pixel clock used by the VOP.
The pixel clock is generating using the NPLL.
BUG=chrome-os-partner:31897
TEST=Booted Veyron Pinky and display normal
BRANCH=None
Change-Id: I01b5c347a3433a108806aec61aa3a875cab8c129
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e4f863b0b57f2f5293ea8015db86cf7f8acc5853
Original-Change-Id: I61214f55e96bc1dcda9b0f700e5db11e49e5e533
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/219050
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9553
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
LDO7 (VCC10_LCD_PWREN_H) is essentially just a glorified GPIO that turns
the real VCC10 regulator on or off. We tried setting it to 3.3V since it
matches the VCC33_SYS voltage on the input of that regulator. However,
we didn't notice that the LDO only supports going up to 2.5V.
This patch changes the voltage to the allowed maximum, which should
still work fine as an enable line (and is the same value used by the
kernel). This removes an assertion error in the ramstage.
Also change the PMIC driver to assert maximum VSEL values based on the
LDO, because the lower-voltage ones support one more setting. (LDO3 is
actually listed to only go up to 0b1111 in the manual, and has a weird
jump from 0b1101 -> 2.2V (skipping over 0b1110) to 0b1111 -> 2.5V. I
don't know if that's a documentation error or what they were smoking
when they designed that, but we don't need to care for now.)
BRANCH=None
BUG=None
TEST=Booted on Pinky, no more ASSERTION FAILED.
Change-Id: I38bf99e38822fd0883fd4d0bd9a1b01143545a95
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 70f3149efbc3aa9a03ab3fd5be99d17d9c5e1c87
Original-Change-Id: I68a3bb882cf25d98aca8922ede2a17e1ef6524de
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/228292
Original-Commit-Queue: Lin Huang <hl@rock-chips.com>
Original-Tested-by: Lin Huang <hl@rock-chips.com>
Original-Reviewed-by: Jerry Parson <jwp@chromium.org>
Reviewed-on: http://review.coreboot.org/9547
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
The CPU on/off functions are the method for the Kernel to support CPU
hot-plug function in PSCI. To support this, we still need flow controller
support to capture the WFI from the CPU and inform PMC to power gate the
CPU core. On the other path, we turn on the CPU by toggling the PMC and
use flow controller to let go when the power is steady.
BUG=chrome-os-partner:32136
BRANCH=None
TEST=built the kernel with PSCI enabled,
check both of the CPUs are coming up,
test the CPU hot-plug is working on Ryu
Change-Id: If2c529b6719c5747d5aea95fb5049b2d7353ff17
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 0f078e89daad1c4d8b342a395f36b3e922af66f5
Original-Change-Id: Ie49940adb2966dcc9967d2fcc9b1e0dcd6d98743
Original-Signed-off-by: Joseph Lo <josephl@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/231267
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9542
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Update non-vboot2 memlayout:
1) Add timestamp region
2) Increase ramstage size
3) Change name from memlayout_vboot.ld to memlayout.ld so that any non-vboot
upstream board can also use this layout.
BUG=None
BRANCH=None
TEST=Compiles and boots to kernel prompt on ryu with vboot selected instead of
vboot2.
Change-Id: Idced98f9df7cdbab5f62cd1e382c6046ade1d867
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 20fffa282b20fb32ce2ff687f4479be630f90fcf
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Change-Id: I91accd54efc53ab563a2063b9c6e9390f5dd527f
Original-Reviewed-on: https://chromium-review.googlesource.com/231547
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9536
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Instead of having unified CBFS_CACHE and limiting the POSTRAM Cache size, split
them into PRERAM and POSTRAM CBFS_CACHE.
BUG=None
BRANCH=None
TEST=Compiles successfully for both rush and ryu. Boots to kernel prompt on ryu.
Change-Id: I2a70df22fe5bae23e05cdf1b8a300369c7ccf87d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b93bc06de76cab0a1ec9a56e12c9a6942a430893
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Change-Id: Iab21ff5c7ca880b6bd18846e5d8d71c26dff56cf
Original-Reviewed-on: https://chromium-review.googlesource.com/231546
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9535
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
In order to start CPUs while in secmon/psci one needs to
set up the proper SoC state. Therefore, refactor the current
CPU startup API to allow for this by adding cpu_prepare_startup()
and start_cpu_silent().
BUG=chrome-os-partner:32136
BRANCH=None
TEST=Built and booted kernel.
Change-Id: I1424500f6c9398f7d44350949c25bb3d4832cec7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 70f9cf67085b345b529b41dd6554e37d38a5b350
Original-Change-Id: I842a391d3e27ddbfcdef1a2d60e3c66e60f99c77
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/231936
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9531
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
The bootblock on Rush had bumped up into the verstage
allocation, causing the build to break. Reduced verstage from
60K to 58K and increased bootblock from 20K to 22K. Rush and
Ryu both build fine now.
BUG=none
BRANCH=none
TEST=Built both Rush and Ryu OK. Verifed verstage size
using cbfstool and it's around 55K, so plenty of room.
Change-Id: Iaa3a5838c5235ec78c740a977bc032d8b5e270ef
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 928a4d2d1efabe1e1d6a7fadc22ee0ac4269190e
Original-Change-Id: I7018f027d72d5e8aeb894857a5ac6a0bdc1de388
Original-Signed-off-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/230824
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9528
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
The kernel does not correctly function without PLLD being enabled.
Additionally, PLLD can be the source for other clocks in the system.
Therefore, initialize PLLD to 300MHz unconditionally at BS_DEV_INIT
time in ramstage.
BUG=chrome-os-partner:33825
BRANCH=None
TEST=Built and booted ryu with display coming up both in dev mode as
well as normal mode.
Change-Id: Ib2a60bb9aafc03dc23aa932a480184d87f677c65
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4c49f964b55c3c33d03b95363277b262b679e740
Original-Change-Id: Ic5905e25051a042cea5010b8c6d61b1fb89a0a81
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/230774
Original-Reviewed-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Sean Paul <seanpaul@chromium.org>
Reviewed-on: http://review.coreboot.org/9525
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Provide an explicit name for configuring PLLD. The new name,
clock_configure_plld(), provides an explicit semantic to
what it is doing. Also, provide the printk() about actual
frequency vs requested frequency as most of the callers
were doing this themselves.
BUG=chrome-os-partner:33825
BRANCH=None
TEST=Built and booted on ryu.
Change-Id: I1880f0f305e69674922b070d282aac3acdc86aad
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c51d5b0864d8bd0db5927380803cec46ccd74d48
Original-Change-Id: If744332b466d9486f83b08d0ab4e9006fadfecdd
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/230773
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-on: http://review.coreboot.org/9524
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Framebuffer line size and number of lines can have different
values than panel's resolution.
BRANCH=none
BUG=chrome-os-partner:31936
TEST=build and test on ryu
Change-Id: I228f1dd7fafc6577a8e8a987ff31ba73f7a655ed
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9a4929dc5831076f2f2a5dd2e13f24b3477e197b
Original-Change-Id: Iedeef796f02286bb03920413420f8952cf34334a
Original-Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/229915
Original-Tested-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9520
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
panel spec such as resoultion, bits per pixel are
needed to pass to depthcharge/payload for displaying
bitmap onto panel.
Enable display code only if mainboard selects
MAINBOARD_DO_NATIVE_VGA_INIT. Otherwise build breaks for
boards that do not support display init yet.
BRANCH=none
BUG=chrome-os-partner:31936
TEST=Compiles for both rush and ryu. Display comes up for ryu in both normal and
dev mode.
Change-Id: I81b4d289699e7b0c2758ea1a009cbabaf8a2ce28
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b9b42486f203d332f6068ccd6f4a1a982d327a6b
Original-Change-Id: I5c8fde17d57e953582a1c1dc814be4c08e349847
Original-Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Commit-Id: ce2883b21d3fbfd54eac3a355fb34ec70e9f31ad
Original-Change-Id: Ib4a3c32f1ebf5c6ed71c96a24893dcdee7488b16
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: http://review.coreboot.org/9519
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Stack and Timestamp need lesser than 2K and since romstage is running out of
memory, adjust the overall memory assignment.
BUG=chrome-os-partner:33676
BRANCH=None
TEST=Compiles and boots to kernel prompt.
Change-Id: I5076252ae87268bd4e964c282d1cc337e0ea4e70
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f2d5d29e6f0f5058a41ed30aae98f79574e31609
Original-Change-Id: I0134f25dd49f2940bb159d131aaee12f81e13ef7
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/229001
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Tom Warren <twarren@nvidia.com>
Original-Commit-Queue: Tom Warren <twarren@nvidia.com>
Reviewed-on: http://review.coreboot.org/9512
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
According to BYT platform design guide chap 14.2.2, the NC GPIOs
need to be configured to GPO.
BRANCH=none
BUG=none
TEST=Test on rambi, boot to OS, and make sure NC pins config to GPO
Change-Id: Ida5ea89ee66e39b4fddea242dc918b314756d94f
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 998493566f5cf7abd9375583e12fe631b226e591
Original-Change-Id: Ieaf346d1c7bf3ecb47a71a6ee4afaa805235cc37
Original-Signed-off-by: Kane Chen <kane.chen@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/249060
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9509
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Looks like Intel has added two more USB 2.0 ports from LynxPoint to
Broadwell, which shifted the port offsets of the USB 3.0 ports behind
them. The USB 2.0 ports are now 0x480 to 0x520 and the 3.0 ones 0x530 to
0x560 (at least according to what my kernel seems to think). The offset
of the first USB 3.0 port is hardcoded and seems to have been copied
over without accounting for this, meaning when we try to operate on all
USB 3.0 ports we actually operate on the last two 2.0 and the first two
3.0 ports instead.
This patch should fix the bug for now. In the future, we might want to
consider dynamically detecting port locations through the Protocol
Capability structures at the end of the XHCI register set instead.
BRANCH=samus
BUG=chrome-os-partner:35320
TEST=TODO
Change-Id: Ifab6e484980fd4cd0daf80ceb292ddced2ab1aea
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 525f359c0b6b95b260add2b4617fd86119d69397
Original-Change-Id: Ic2becf2b043612270909ceef66e7d58efc8fcbe1
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/247351
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-by: Todd Broch <tbroch@chromium.org>
Reviewed-on: http://review.coreboot.org/9502
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This changes the PCIe replay timeout value in the root ports
to be 0xD to fix correctable AER replay timer timeout errors.
BUG=chrome-os-partner:31551
BRANCH=broadwell
TEST=build and boot on samus
Change-Id: I3084cc633da6e9f9a783d923a3fe2c1097e711fd
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: a64897efc26731fa3896e6d9a413941807296a28
Original-Change-Id: I53d87ad38856fd7de7f3f06a805c9342373bc968
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/245359
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9501
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
this code change provides a way to enable 2x refresh rate
in RW image
In baytrail, it enables 2x refresh rate by default
BUG=chrome-os-partner:35210
BRANCH=none
TEST=check the register is set properly on rambi
Change-Id: I2a935b570c564986898b6c2064fc7ad43506dcba
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: c740d403708862514be9fa24f56b2764328979eb
Original-Change-Id: I84f33d75ea7ebfea180b304e8ff683884f0dbe8a
Original-Signed-off-by: Kane Chen <kane.chen@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/241754
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9498
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Add some configuration options that allow tuning the VR for C-state
settings that may be able to reduce noise.
- Add option to enable slow VR ramp rate for C-state exit
- Add variable to configure the minimum C6/C7 voltage
BUG=chrome-os-partner:34771
BRANCH=broadwell
TEST=build and boot on samus
Change-Id: I01445d62fbfcf200b787b924d8d72685819a4715
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: ed8f355e60292c82791817ae31bff58ac2390a72
Original-Change-Id: I8af75b69c8b55d3e210170ee96f8e22c2fd76374
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/241950
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9497
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
To ensure that boot flags (legacy, usb, signed-only) are
properly restored from CMOS and used in the first boot after
a battery removal or RTC reset then the VbNv region needs to
be preserved around the cmos_init call.
When using vboot firmware selection and VbNv is stored in CMOS
then that region of CMOS will have been re-initialized by the
time we call cmos_init and reset CMOS if the chipset flag was
set indicating a problem.
BUG=chrome-os-partner:35240
BRANCH=broadwell
TEST=manual testing on samus:
1) boot in dev mode, enable dev_boot_legacy and ensure it works
2) on EC console pulse PCH_RTCRST_L low for a second
3) ensure first boot after RTC reset will still boot legacy mode
4) remove battery for a time
5) ensure first boot after battery is re-inserted will still
boot legacy mode
Change-Id: Ica256bbdcba6d4616957ff38e63914dd15f645c6
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 881c7841c95dec392a66eef38a7112c1f385fdfa
Original-Change-Id: I4c33f183ba4b301d68ae31c41fc6663f3be857b0
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/241529
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9495
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This function will use the next available/free protected range
register to cover the specified region of flash and write
protect it until the next reset.
This will be used by the common MRC cache code to protect the
RW_MRC_CACHE region after it is updated.
In order to communicate to the common NVM code that this function
is defined also enable CONFIG_MRC_SETTINGS_PROTECT variable.
BUG=chrome-os-partner:28234
BRANCH=broadwell
TEST=build and boot on samus
Change-Id: I710c6a69f725479411ed978cc615e1bb78fb42b8
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 25365433be0f190e10a96d9946b8ea90c883b78a
Original-Change-Id: I4a4cd27f9f4a94b9134dcba623f33b114299818f
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/241129
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9493
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
In order for some panels to meet spec when the system is put
into S5 by way of power button during firmware (i.e. not by
the OS) then it needs to turn off the backlight and give it
time to turn off before going into S5.
If the OS properly sequences the panel down then the backlight
enable bit will not be set in this step and nothing will happen.
BUG=chrome-os-partner:33994
BRANCH=broadwell
TEST=build and boot on samus
Change-Id: Ic86f388218f889b1fe690cc1bfc5c3e233e95115
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: e3c9c131a87bae380e1fd3f96c9ad780441add56
Original-Change-Id: I43c5aee8e32768fc9e82790c9f7ceda0ed17ed13
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/240852
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9490
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
When disabling PCIe ports skip steps if no card is detected.
This prevents the loop from timing out on each empty slot.
BUG=chrome-os-partner:31424
BRANCH=broadwell
TEST=build and boot on samus, check that this code is
no longer timing out when disabling PCIe ports
Change-Id: I84ee0e0e325784b3af06abe70420c07cf6e13ed2
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 4d759e2350dd00ceb7df196ac7008729dc1e4cef
Original-Change-Id: Idd88f0f1191a5465a0d8dcca07b5c3a5c5ca8855
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/240851
Original-Reviewed-by: Wenkai Du <wenkai.du@intel.com>
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9489
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
The workarounds in ACPI methods for D0/D3 transition that are
used on haswell/LPT do not all apply to broadwell/WPT.
BUG=chrome-os-partner:28234
BRANCH=broadwell
TEST=build and boot on samus, test USB functionality and wake
and ensure the device still does into D3 state
Change-Id: Ic3a75f5bf50e826ade7d942b48cfebb75cf976e6
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 1b54d105957ee80ca34048c42fb8f241731281cf
Original-Change-Id: I877afd51fc6c9b7906e923b893fc31bdf2cd1090
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/240850
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9488
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This changes the broadwell graphics init path to only do the delay
before initializing graphics when running chromeos if we are also
going to execute the option rom.
BUG=chrome-os-partner:33671
BRANCH=samus
TEST=build and boot on samus
Change-Id: Idb7d39b22f7f6dc3be6dfbd2fa3cc2e33d78a397
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: f7ed93504a74760f16acb8fb3c6c57ac514b7260
Original-Change-Id: I350f85738efe3d17152de4f025adbfd52ae15b95
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/228882
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9474
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
HSIOPC/GPIO71 is used to control power to VCCHSIO, VCCUSB3PLL and
VCCSATA3PLL in S0. PCH will drive HSIOPC low when all the high
speed I/O controllers (xHCI, SATA, GbE and PCIe) are idle.
This patch added a few additional PCIe programming steps as required
in 535127 BIOS Writer Guide Rev 2.3.0 to enable this power saving mode.
BUG=none
BRANCH=none
TEST=tested on Paine watching GPIO71 toggling as expected
Change-Id: Ica6954c125ec3129e2659168f1f23dc861ce5708
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: e38f9ef57c480ca5ee420020eb80a1adb3c381d3
Original-Change-Id: I88ef125c681c8631e8b887f7ccf017b90b8c0f10
Original-Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/238580
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/9482
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
The registers that were used here are for CPT/PPT and not
for HSW/BDW chips.
Update this to update just the Gen3 TX Output Voltage Downscale
Amplitude Adjustment field in the SATA ECR T88.
BUG=chrome-os-partner:28234
BRANCH=samus,auron
TEST=build and boot on samus
Change-Id: I94b702dc4a3c98678ba048ff9cfa4a85cc5b1eed
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 4c5816cc647b84266751e8a591eb85d7735fee12
Original-Change-Id: I98ec9678938a6675828721d5b57683077f555d21
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/238800
Original-Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9484
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Added a few bits to set in finalize step from scrubbing BWG
and reference code.
BUG=chrome-os-partner:28234
BRANCH=broadwell
TEST=build and boot on samus
Change-Id: I7b0c4dd3f14c06175c973561760ad1bdafd46fbb
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 3802aef908849fe6ea2bb0034d884064154ae9da
Original-Change-Id: Ia62055b32be039eef84a0f60f0ba307eb5dce6a1
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/239958
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9485
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
The original code uses L1EXIT_MASK to shift the bit for
PCIe L1 exit latency, the code should use L1EXIT_SHIFT
for bit shifting.
BUG=chrome-os-partner:34037
BRANCH=None
TEST=build and boot on candy, verify B0:D28:F0 + 4Ch [17:15]
set to 010b. Correspond WIFI device performance got improvement.
Signed-off-by: Kevin L Lee <kevin.l.lee@intel.com>
Change-Id: I3ac5b6319b726aa16cdb9678face89022d979517
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 381827e3d92c9e786cd8ebe412586968662fb4be
Original-Change-Id: I8171f80720830cfa76f26778ae31c7590a723b92
Original-Reviewed-on: https://chromium-review.googlesource.com/234673
Original-Reviewed-by: Kenji Chen <kenji.chen@intel.com>
Original-Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Original-Tested-by: Kenji Chen <kenji.chen@intel.com>
Original-Commit-Queue: Kenji Chen <kenji.chen@intel.com>
Reviewed-on: http://review.coreboot.org/9480
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Using REG_PCI_POLL32 to check if the LINK is active with 50ms timeout.
BRANCH=none
BUG=chromium:431169
TEST=Test on Enguarde, compile ok and boot OS
Change-Id: If98ab4e31d17ec4e62d68b93edcec6d9aee87367
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: cf692ae9aebb43ab46cb07d36b62b300b16be1dc
Original-Change-Id: I490e6ffa40979628edf52a7444808b6d25a6e83d
Original-Signed-off-by: Kevin Hsieh <kevin.hsieh@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/231777
Original-Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9478
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Some actions are needed and some are not on the way resume from S3.
BRANCH=master
BUG=chrome-os-partner:33025,chrome-os-partner:33796
TEST=Built the image and confimed the boot_mode is correctly
configured.
Signed-off-by: Kenji Chen <kenji.chen@intel.com>
Change-Id: If400df94f970a55f3921a5a2df24038d28beb489
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 40e719618ec101235cdb1755933e719abd873239
Original-Change-Id: Ia042ea8c63c2306e9d6a80d8efa66c4fc0722d85
Original-Reviewed-on: https://chromium-review.googlesource.com/229615
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Original-Commit-Queue: Kenji Chen <kenji.chen@intel.com>
Original-Tested-by: Kenji Chen <kenji.chen@intel.com>
Reviewed-on: http://review.coreboot.org/9475
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
I2C bus SDA hold time can be marginal with 60ns value, especially
when there is level shifter on the bus. So program it to 300ns
based on Fast-mode specification, which is between 0 to 900ns.
Apply the same timing for Standard-mode as well.
Refer to original bug on BayTrail chrome-os-partner:28092, this
is to carry forward the fix to Broadwell.
BRANCH=chromeos-2013.04
BUG=chrome-os-partner:33378
TEST=suspend resume test, watch for I2C errors
Change-Id: I93200b141602163903f5c9f52b94013bcf3382a5
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 72b82a1d5d836594e7d0f95972cc0dc91ae7ff8c
Original-Change-Id: I995d6868a44f2578a6d0b18dd5e8548f3c3cd494
Original-Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/226386
Original-Reviewed-by: Wenkai Du <wenkai.du@intel.com>
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/9467
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
MEI PCI device has internal logic to flush out the posted writes
before returning completion for non-posted request. When doing a RCBA
write to function disable and then using the PCI CFG RD cycle, need
to do RCBA posting read after writing to it to make sure the write
went through.
As Aaron sugegsted, abstracted function disable path to a common
function.
BUG=chrome-os-partner:33048
TEST=run warm and cold reboot testing
Change-Id: I40d374f1712a9137b3b1eac6bbf2d71078840406
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: f10b368e01aae1fc5dda63f7ac0641dd2636c949
Original-Change-Id: I87aa8ccd604446263fc3621c9a01839a5a75b644
Original-Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/223715
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/9462
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
BUG=chrome-os-partner:31424
TEST=Build a image and run on Samus proto boards to confirm if the
settings are applied correctly.
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Change-Id: I9147da86ce26ce7ef1c7034bc3dde0b27b63befa
Original-Commit-Id: 1717505a3fdf41c5972b1c929872577247f9e3b5
Original-Signed-off-by: Kenji Chen <kenji.chen@intel.com>
Original-Change-Id: I8138507506771148420a585fd12897a3bfe91916
Original-Reviewed-on: https://chromium-review.googlesource.com/221387
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/9463
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
DDI-A should not need re-enabled in the resume path, just
the resume path when we did not execute VBIOS.
BUG=chrome-os-partner:28234
BRANCH=samus,auron
TEST=build and boot on samus, test suspend+resume
Change-Id: I29d67591ac903bc1d712a956462bcf4a764ef2eb
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: c3fbeac10f3834a6d848154aa3449672871b13df
Original-Change-Id: Iaf7d083c5c92c42b7a117e2d2c9546ada6bf5f76
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/221988
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9461
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
In order to report the GPE that woke the system to the kernel
coreboot needs to keep track of the first GPE wake source and
save it in NVS so it can be returned in \_GPE._SWS method.
This is similar to the saving of PM1 status but needs to go
through all the GPE0_STS registers and check for enabled and
triggered events.
A bit of cleanup is done for areas that were touched:
- platform.asl was not formatted correctly
BUG=chrome-os-partner:8127
BRANCH=samus,auron
TEST=manual:
- suspend/resume and wake from EC event like keyboard:
ACPI _SWS is PM1 Index -1 GPE Index 112 ("special" GPIO27)
- suspend/resume and wake from RTC event:
ACPI _SWS is PM1 Index 10 GPE Index -1 (RTC)
- suspend/resume and wake from power button:
ACPI _SWS is PM1 Index 8 GPE Index -1
- suspend/resume and wake from touchpad:
ACPI _SWS is PM1 Index -1 GPE Index 13
- suspend/resume and wake from WLAN:
ACPI _SWS is PM1 Index -1 GPE Index 10
Change-Id: I574f8cd83c8bb42f420e1a00e71a23aa23195f53
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: d4e06c7dfc73f2952ce8f81263e316980aa9760f
Original-Change-Id: I9bfbbe4385f2acc2a50f41ae321b4bae262b7078
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/220324
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9460
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Most Baytrail based devices MMIO registers are reported in ACPI
space and the device's PCI config space is disabled. The PCI config
space is required for many "legacy" OSs that don't have the ACPI
driver loading mechanism. Depthcharge signals the legacy boot
path via the SMI 0xCC and the coreboot SMI handler can switch the
device specific registers to re-enable PCI config space.
BUG=chrome-os-partner:30836
BRANCH=None
TEST=Build and boot Rambi SeaBIOS.
Change-Id: I87248936e2a7e026f38c147bdf0df378e605e370
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: dbb9205ee22ffce44e965be51ae0bc62d4ca5dd4
Original-Change-Id: Ia5e54f4330eda10a01ce3de5aa4d86779d6e1bf9
Original-Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/219801
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Mike Loptien <mike.loptien@se-eng.com>
Original-Tested-by: Mike Loptien <mike.loptien@se-eng.com>
Reviewed-on: http://review.coreboot.org/9459
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
