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Change-Id: Ic1da46d2abc8d20987048e4ef1e7a776d0c685d6
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13555
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
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Some newer x86 systems can boot from non-memory-mapped boot media
(e.g. EMMC). The bootblock may be backed by small amounts of SRAM, or
other memory, similar to how most ARM chipsets work. In such cases, we
may not have enough code space for romstage very early on. This means
that CAR setup and early boot media (e.g. SPI, EMMC) drivers need to
be implemented within the limited amount memory of storage available.
Since the reset vector has to be contained in this early code memory,
the bootblock is the best place to implement loading of other stages.
Implement a bootblock which does the minimal initialization, up to,
and including switch to protected mode. This then transfers control
to platform-specific code. No stack is needed, and control is
transferred via a "jmp" such that no stack operations are involved.
Change-Id: I009b42b9a707cf11a74493bd4d8c189dc09b8ace
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: https://review.coreboot.org/13485
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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bootblock.S was used strictly for setting up the system so that the
assembly generated by ROMCC could be executed. Since the
infrastructure now exists to run a bootblock wihtout ROMCC, rename
this file accordingly. this is done to prevent any future confusion.
Change-Id: Icbf5804b66b9517f9ceb352bed86978dcf92228f
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: https://review.coreboot.org/11784
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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If coreboot's build process is reproducible (eg. using the latest git
timestamp as source), bl31 is, too.
This requires an arm-trusted-firmware side merge first (in progress) and
an update of our reference commit for the submodule, but it also doesn't
hurt anything because it merely sets a variable that currently goes
unused.
Change-Id: If139538a2fab5b3a70c67f4625aa2596532308f7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13497
Tested-by: build bot (Jenkins)
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
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Instead of tagging object files with .<class>, move them to a <class>
directory below $(obj)/. This way we can keep a 1:1 mapping between
source- and object-file names.
The 1:1 mapping is a prerequisite for Ada, where the compiler refuses
any other object-file name.
Tested by verifying that the resulting coreboot.rom files didn't change
for all of Jenkins' abuild configurations.
Change-Id: Idb7a8abec4ea0a37021d9fc24cc8583c4d3bf67c
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/13181
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
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There were several spots in the tree where the path to a per class
object file was hardcoded. To make use of the src-to-obj macro for
this, it had to be moved before the inclusion of subdirs. Which is
fine, as it doesn't have dependencies beside $(obj).
Tested by verifying that the resulting coreboot.rom files didn't change
for all of Jenkins' abuild configurations.
Change-Id: I2eb1beeb8ae55872edfd95f750d7d5a1cee474c4
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/13180
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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It's unused, so get rid of it.
Change-Id: I28c6dc0208686edc3aabaf624773ea70350c1c8f
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/13177
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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For the coreboot license header, we want to use two paragraphs.
See the section 'Common License Header' in the coreboot wiki
for more details.
Change-Id: I4a43f3573364a17b5d7f63b1f83b8ae424981b18
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13118
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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It ended up in .data, and that doesn't seem to be actually necessary.
Change-Id: Ib17d6f9870379d1b7ad7bbd3f16a0839b28f72c8
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13134
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
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When C_ENVIRONMENT_BOOTBLOCK is selected link bootblock using the
memlayout.ld scripts and infrastructure. This allows bootblock on
x86 to utilize all the other coreboot infrastructure without
relying romcc.
Change-Id: Ie3e077d553360853bf33f30cf8a347ba1df1e389
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/13069
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
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Replace with the more familiar AT&T syntax.
Tested by sha1sum(1)ing the object files, and checking the objdump that
the code in question was actually compiled.
Change-Id: Ie85b8ee5dad1794864c18683427e32f055745221
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13132
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add more code to verstage
[pg: split downstream commit into multiple commits]
Change-Id: I578a69a1e43aad8c90c3914efd09d556920f728e
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 2827aa08ff8712c0245a22378f3ddb0ca054255d
Original-Change-Id: I94a9ee2c00e25a37a92133f813d0cd11a3503656
Original-Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292662
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12612
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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This provides symbols needed by CBFS and FMAP APIs, and allows running
run_romstage() in an x86 bootblock. Note that console-related files
are not added in this patch, as they are not essential for the
functinality on an x86 environment bootbock.
Change-Id: I36558b672a926ab22bc9018cd51aee32213792c2
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: https://review.coreboot.org/12880
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Instead of depending BOOTBLOCK_CONSOLE on a set of architectures,
allow the arch or platform to specify whether it can provide a C
environment. This simplifies the selection logic.
Change-Id: Ia3e41796d9aea197cee0a073acce63761823c3aa
Signed-off-by: Alexandru Gagniuc <alexandrux.gagniuc@intel.com>
Reviewed-on: https://review.coreboot.org/12871
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This header is only used for the bootblock compiled with ROMCC. As the
follow-on patches introduce a bootblock which does not make use of
ROMCC, rename this header to prevent confusion.
Change-Id: Id29c5bc6928c11cc7cb922fcfac71e5a3dcd113c
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: https://review.coreboot.org/12867
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Trivial fix for syntax highlighting in editors. Some get confused by
the double quote that doesn't have a close quote and stop highlighting
at that point. This comment closes the quote and the paren pair so
that they can recover.
Change-Id: I2bdb7c953a86905fc302d77eb9ad1200958800b7
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13017
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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No functional changes - just whitespace fixes.
Signed-off-by: Martin Roth <martinroth@google.com>
Change-Id: I8ffa87240bcbd3d657ed9dc619b5e5bf9de734d7
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12853
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This just updates existing guard name comments on the header files
to match the actual #define name.
As a side effect, if there was no newline at the end of these files,
one was added.
Change-Id: Ia2cd8057f2b1ceb0fa1b946e85e0c16a327a04d7
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12900
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Most of these files are original to coreboot and get the standard
coreboot GPL header.
encoding.h and atomic.h are from the riscv codebase and have their
license.
Change-Id: I32506b0ecf88be2f5794dc1e312a6cd9b2a271ad
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12906
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This was breaking the build on OS X, but also wasn't working correctly
under linux anymore either. It wouldn't print the illegal symbols
when it failed.
- Split the generation of the offenders file from the actual check for
offending symbols and just send all output to /dev/null.
- Rewrite the check for offending symbols in a way that works with OS X.
Tested by adding a global variable to romstage and verifying the
failure is shown correctly. Verified that it works correctly with no
illegal variables.
Change-Id: I5b3ac32448851884d78c3b3449508ffe014119ab
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13018
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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These were mostly written as part of the coreboot project, so get
the standard coreboot license header.
memmove.c came from the linux kernel, so also gets the standard
coreboot v2 license header, but gets the added attribution that it
was derived from the linux kernel. Unlike many coreboot files,
this file may not be re-licensed as GPL V3.
Change-Id: I1fdc26b543e059f7a42d4b886f7222f4c74b959d
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12916
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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These were all written as part of the coreboot project, so get
the standard coreboot license header.
Change-Id: I51e1e504b3bc7be2a00c9356d8775b87f2a1db5a
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12912
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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These were all written as part of the coreboot project, so get
the standard coreboot license header.
Change-Id: I4fccc8055755816be64e9e1a185f1e6fcb2b89ae
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12911
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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These were all written as part of the coreboot project, so get
the standard coreboot license header.
Change-Id: I74438e8032c84f4190ef49f306969f7157234001
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12910
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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- occured -> occurred
- accomodate -> accommodate
- existant -> existent
- asssertion -> assertion
- manangement -> management
- cotroller -> controller
Change-Id: Ibd6663752466d691fabbdc216ea05f2b58ac12d1
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12850
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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When microcode updates are enabled, this fixes an issue identical
to that described in GIT hash 7b22d84d:
* drivers/pc80: Add optional spinlock for nvram CBFS access
Change-Id: Ib7e8cb171f44833167053ca98a85cca23021dfba
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/12063
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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This reverts commit 65e33c08a9a88c52baaadaf515b9591856115a77.
This was the wrong logic to fix the master header.
Change-Id: I4688034831f09ac69abfd0660c76112deabd62ec
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12824
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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When used with a U-boot payload it will need this region
identity mapped also, so we're defining it in preparation
for that functionality.
Change-Id: I27cee5b58cb899433b52bd06df07b5f2105212af
Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Reviewed-on: https://review.coreboot.org/12768
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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Since the introduction of the new (interim?) master header, coreboot
searches the whole ROM for CBFS entries. Fix that by aligning it on top
of the ROM.
Change-Id: I080cd4b746169a36462a49baff5e114b1f6f224a
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/12810
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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In order for a U-boot payload to work properly the soc_registers
region (device registers) needs to be mapped as uncached.
Therefore, add a coherency argument to the identity mapping funcion
which will establish the type of mapping.
Change-Id: I26fc546378acda4f4f8f4757fbc0adb03ac7db9f
Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Reviewed-on: https://review.coreboot.org/12769
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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When enabling the IOMMU on certain systems dmesg is spammed with I/O page faults like the following:
AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.0 domain=0x000a address=0x000000fdf9103300 flags=0x0030]
Decoding the faulting address:
0x000000fdf9103300
fdf91x Hypertransport system management region
33 SysMgtCmd (System Management Command) = 0x33
3 Base Command Type = 0x3: STPCLK (Stop Clock request)
3 SMAF (System Management Action Field) = [3:1] = 0x1
1 Signal State Bit Map = [0] = 0x1
Therefore, the error appears to be triggered by an upstream C1E request.
This was eventually traced to concurrent access to the SP5100's SPI Flash controller by
multiple APs during startup. Calls to the nvram read functions get_option and read_option
call CBFS functions, which in turn make near-simultaneous requests to the SPI Flash
controller, thus placing the SP5100 in an invalid state. This limitation is not documented
in any public AMD errata, and was only discovered through considerable debugging effort.
Change-Id: I4e61b1ab767b1b7958ac7c1cf20eee41d2261bef
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/12061
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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Section 6.1.3 (Text Strings) of the SMBIOS specification states:
If a string field references no string, a null (0) is placed in that
string field.
Change smbios_add_string() to do that.
Change-Id: I9c28cb89dcfe2c8ef2366c23ee6203e15b7c2513
Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Reviewed-on: https://review.coreboot.org/12697
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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$(objgenerated)/empty would touch files before the directory
is created on parallel builds.
Thanks to reproducible-builds.org for hitting this bug.
Change-Id: I7565e9fe130b4e9deaf1c7b9d568ff90b00dda52
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: https://review.coreboot.org/12717
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The ALIGN_CURRENT macro relied on a local variable name
as well as being defined in numerous compilation units.
Replace those instances with an acpi_align_current()
inline function.
Change-Id: Iab453f2eda1addefad8a1c37d265f917bd803202
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12707
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This paves the way for AP printk spinlock on AMD platforms
Change-Id: Ice42a0d3177736bf6e1bc601092e413601866f20
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/11958
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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Now that only CBFS access is supported for finding resources
within the boot media the assets infrastructure can be removed.
Remove it.
BUG=chromium:445938
BRANCH=None
TEST=Built and ran on glados.
Change-Id: I383fd6579280cf9cfe5a18c2851baf74cad004e9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12690
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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The Chrome OS verified boot path supported multiple CBFS
instances in the boot media as well as stand-alone assets
sitting in each vboot RW slot. Remove the support for the
stand-alone assets and always use CBFS accesses as the
way to retrieve data.
This is implemented by adding a cbfs_locator object which
is queried for locating the current CBFS. Additionally, it
is also signalled prior to when a program is about to be
loaded by coreboot for the subsequent stage/payload. This
provides the same opportunity as previous for vboot to
hook in and perform its logic.
BUG=chromium:445938
BRANCH=None
TEST=Built and ran on glados.
CQ-DEPEND=CL:307121,CL:31691,CL:31690
Change-Id: I6a3a15feb6edd355d6ec252c36b6f7885b383099
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12689
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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In coreboot, bool, hex, and int type symbols are ALWAYS defined.
Change-Id: I58a36b37075988bb5ff67ac692c7d93c145b0dbc
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12560
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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- Move initialization of entry to later in main.
- Make boot_mode an unsigned char - no need to use int.
- Remove unnecessary variable filenames.
- Only get and try to boot fallback once.
Change-Id: I823092c60dd8c2de0a36ec7fdbba3e68f6b7567a
Test: compiled.
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12574
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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We need mmu interfaces in these two stages for,
1. bootblock: to support mmu initialization in bootblock
2. romstage: to be able to add dram range to mmu table
BRANCH=none
BUG=none
TEST=build pass
Change-Id: I56dea5f958a48b875579f546ba17a5dd6eaf159c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: cf72736bda2233f8e0bdd7a8ca3245f1d941ee86
Original-Change-Id: I1e27c0a0a878f7bc0ff8712bee640ec3fd8dbb8b
Original-Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292665
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12585
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
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BRANCH=none
BUG=none
TEST=build pass
Change-Id: Ia997ce97ad42234ab020af7bd007d57d7191ee86
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 604ac738e33fdfbaf093989ea13162c8506b9360
Original-Change-Id: I636a1a38d0f5af97926d4446f3edb91a359cce4c
Original-Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292551
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12584
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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verstage, romstage, and payload can be added through infrastructure now.
Change-Id: Ib9e612ae35fb8c0230175f5b8bca1b129f366f4b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/12549
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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We currently race in SMM init on Atom 230 (and potentially
other CPUs). At least on the 230, this leads to a hang on
RSM, likely because both hyperthreads mess around with
SMBASE and other SMM state variables in parallel without
coordination. The same behaviour occurs with Atom D5xx.
Change it so first APs are spun up and sent to sleep, then
BSP initializes SMM, then every CPU, one after another.
Only do this when SERIALIZE_SMM_INITIALIZATION is set.
Set the flag for Atom CPUs.
Change-Id: I1ae864e37546298ea222e81349c27cf774ed251f
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/6311
Tested-by: build bot (Jenkins)
Tested-by: BSI firmware lab <coreboot-labor@bsi.bund.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Instead of having to remember to strip the quotes everywhere so that
string comparisons (of which there are a few) match up, do it right at
the beginning.
Fixes building the image with a .config where CONFIG_CBFS_PREFIX
contains quotes.
Change-Id: I4d63341cd9f0bc5e313883ef7b5ca6486190c124
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/12578
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
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Instead of having to have an ifeq() all across the code base,
use $(target-objcopy). And correct target-objcopy to a value
that objcopy actually understands.
Change-Id: Id5dea6420bee02a044dc488b5086d109e806d605
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/11090
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Change-Id: Ia5d97d01dc9ddc45f81d998d126d592a915b4a75
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12043
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This patch removes the old arm64/stage_entry.S code that was too
specific to the Tegra SoC boot flow, and replaces it with code that
hides the peculiarities of switching to a different CPU/arch in ramstage
in the Tegra SoC directories.
BRANCH=None
BUG=None
TEST=Built Ryu and Smaug. !!!UNTESTED!!!
Change-Id: Ib3a0448b30ac9c7132581464573efd5e86e03698
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/12078
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This patch expands the existing ENV_<stage> macros in <rules.h> with a
set of ENV_<arch> macros which can be used to detect which architecture
the current compilation unit is built for. These are more consistent
than compiler-defined macros (like '#ifdef __arm__') and will make it
easier to write small, architecture-dependent differences in common code
(where we currently often use IS_ENABLED(CONFIG_ARCH_...), which is
technically incorrect in a world where every stage can run on a
different architecture, and merely kinda happened to work out for now).
Also remove a vestigal <arch/rules.h> from ARM64 which was no longer
used, and genericise ARM subarchitecture Makefiles a little to make
things like __COREBOOT_ARM_ARCH__ available from all file types
(including .ld).
BUG=None
TEST=Compiled Falco, Blaze, Jerry and Smaug.
Change-Id: Id51aeb290b5c215c653e42a51919d0838e28621f
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/12433
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
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The existing arm64 architecture code has been developed for the Tegra132
and Tegra210 SoCs, which only start their ARM64 cores in ramstage. It
interweaves the stage entry point with code that initializes a CPU (and
should not be run again if that CPU already ran a previous stage). It
also still contains some vestiges of SMP/secmon support (such as setting
up stacks in the BSS instead of using the stage-peristent one from
memlayout).
This patch splits those functions apart and makes the code layout
similar to how things work on ARM32. The default stage_entry() symbol is
a no-op wrapper that just calls main() for the current stage, for the
normal case where a stage ran on the same core as the last one. It can
be overridden by SoC code to support special cases like Tegra.
The CPU initialization code is split out into armv8/cpu.S (similar to
what arm_init_caches() does for ARM32) and called by the default
bootblock entry code. SoCs where a CPU starts up in a later stage can
call the same code from a stage_entry() override instead.
The Tegra132 and Tegra210 code is not touched by this patch to make it
easier to review and validate. A follow-up patch will bring those SoCs
in line with the model.
BRANCH=None
BUG=None
TEST=Booted Oak with a single mmu_init()/mmu_enable(). Built Ryu and
Smaug.
Change-Id: I28302a6ace47e8ab7a736e089f64922cef1a2f93
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/12077
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This patch adds CC6 power save support to the AMD Family 15h
support code. As CC6 is a complex power saving state that
relies heavily on CPU, northbridge, and southbridge cooperation,
this patch alters significant amounts of code throughout the
tree simultaneously.
Allowing the CPU to enter CC6 allows the second level of turbo
boost to be reached, and also provides significant power savings
when the system is idle due to the complete core shutdown.
Change-Id: I44ce157cda97fb85f3e8f3d7262d4712b5410670
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11979
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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