Commit graph

922 commits

Author SHA1 Message Date
Aaron Durbin
0f35af8f42 arch/x86: add support for cache-as-ram paging
Processors, such as glk, need to have paging enabled while
in cache-as-ram mode because the front end is agressive about
fetching lines into the L1I cache. If the line is dirty and in
the L1D then it writes it back to "memory". However, in this case
there is no backing store so the cache-as-ram data that was written
back transforms to all 0xff's when read back in causing corruption.

In order to mitigate the failure add x86 architecture support for
enabling paging while in cache-as-ram mode. A Kconfig variable,
NUM_CAR_PAGE_TABLE_PAGES, determines the number of pages to carve
out for page tables within the cache-as-ram region. Additionally,
the page directory pointer table is also carved out of cache-as-ram.
Both areas are allocated from the persist-across-stages region
of cache-as-ram so all stages utilizing cache-as-ram don't corrupt
the page tables.

The two paging-related areas are loaded by calling
paging_enable_for_car() with the names of cbfs files to load the
initial paging structures from.

BUG=b:72728953

Change-Id: I7ea6e3e7be94a0ef9fd3205ce848e539bfbdcb6e
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25717
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
2018-04-25 15:32:56 +00:00
Aaron Durbin
1705d6546d arch/x86: add ENV_CACHE_AS_RAM
Add ENV_CACHE_AS_RAM to indicate to compilation units if cache-as-ram
is employed for that particular stage.

BUG=b:72728953

Change-Id: I06dfa7afe2d967229549090d5aa95455687b0bb9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25716
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
2018-04-24 14:40:16 +00:00
Aaron Durbin
c546c766c0 arch/x86/postcar: add comment clarifying reason for finalize_load()
Certain platforms need to pass different stack pointer values to
postcar depending on S3 resume or not. Add comments to ease the
reader in understanding the point. If different stack values weren't
needed the program was already cached in stage cache with the correct
value.

Change-Id: I7202c62e6202a14416cb49ad5348740174747c7d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25795
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2018-04-24 14:39:09 +00:00
Aaron Durbin
6403167d29 compiler.h: add __weak macro
Instead of writing out '__attribute__((weak))' use a shorter form.

Change-Id: If418a1d55052780077febd2d8f2089021f414b91
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25767
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
2018-04-24 14:37:59 +00:00
Aaron Durbin
38fd6685e9 arch/x86: align stack on entry to x86_exception()
Entry points from assembly to C need to have the stacks aligned
to 16 bytes with the newer compilers. This entry point was
missed. Correct it.

BUG=b:72728953

Change-Id: Idb29daf830c05fd5543c2194690364ce31b6a22c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25763
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-04-24 14:36:31 +00:00
Aaron Durbin
7a7c70b26a arch/x86: prepare for having an idt in other stages
Currently the idt setup and handling is only in ramstage. In
order to prepare having an exception handler in other stages
move the interrupt vector entry code to its own compilation
unit. vec0 and int_hand need to be global so c_start.S
references will resolve at link time.

BUG=b:72728953

Change-Id: I435b96d987d69fb41ea27a73e2dd634b5d6ee3d9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25760
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2018-04-24 13:56:00 +00:00
Patrick Rudolph
e56189cfd1 pci: Move inline PCI functions to pci_ops.h
Move inline function where they belong to. Fixes compilation
on non x86 platforms.

Change-Id: Ia05391c43b8d501bd68df5654bcfb587f8786f71
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/25720
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-04-20 13:03:54 +00:00
Raul E Rangel
99f54a60bf include/memory_info.h: Change serial number field from 5 bytes to 4
dimm_info.serial had a strange contract. The SPD spec defines a 4 byte
serial number. dimm_info.serial required a 4 character ascii string with
a null terminator.

This change makes the serial field so it matches the SPD spec.
smbios.c will then translate the byte array into hex and set it on the
smbios table.

There were only two callers that set the serial number:
* haswell/raminit.c: already does a memcpy(serial, spd->serial, 4), so
  it already matches the new contract.
* amd_late_init.c: Previously copied the last 4 characters. Requires
  decoding the serial number into a byte array.

google/cyan/spd/spd.c: This could be updated to pass the serial number,
but it uses a hard coded spd.bin.

Testing this on grunt, dmidecode now shows the full serial number:
        Serial Number: 00000000

BUG=b:65403853
TEST=tested on grunt

Change-Id: Ifc58ad9ea4cdd2abe06a170a39b1f32680e7b299
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/25343
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-04-12 15:21:45 +00:00
Kyösti Mälkki
5e32f41b43 ACPI S3: Drop too early resume backup
No longer needed as low memory backup is implemented as part of
the ramstage loader, when the actual requirement of the ramstage
to load is known.

Change-Id: I5f5ad94bae2afef915927b9737c79431b6f75f22
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/15477
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-04-09 12:06:51 +00:00
Marc Jones
f7dc972fde ioapic: extend definition name to avoid collision
Change EN/DISABLED to INT_EN/DISABLED to avoid collision with other
EN/DISABLE definition.

Change-Id: I85b1c544d0f31340a09e18f4b36c1942ea0fa6ef
Signed-off-by: Marc Jones <marc.jones@scarletltd.com>
Reviewed-on: https://review.coreboot.org/25540
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-04-09 09:29:51 +00:00
Furquan Shaikh
d6630d1165 x86: Increase time out for parking APs to 250ms
Change f43adf0 (intel/common/block/cpu: Change post_cpus_init after
BS_DEV RESOURCES) moved post_cpus_init to BS_OS_RESUME for S3
path. This results in BSP timing out waiting for APs to be
parked. This change increases the time out value for APs to be parked
to 250ms. This value was chosen after running suspend-resume stress
test and capturing the maximum time taken for APs to be parked for
100 iterations. Typical values observed were ~150ms. Maximum value
observed was 152ms.

BUG=b:76442753
TEST=Verified for 100 iterations that suspend-resume does not run into
any AP park time out.

Change-Id: Id3e59db4fe7a5a2fb60357b05565bba89be1e00e
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25422
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2018-04-01 20:01:34 +00:00
Lijian Zhao
b1fc13ac9a arch/x86/smbios: Consider corner case of Part Number
In case of all DMI Type 17 to be empty, the strip trailing whitespace
code will have a zero length Part Number entry, which will cause
exception when using (len - 1) where len is zero. Add extra code to
cover this corner case.

BUG=b:76452395
TEST=Boot up fine with meowth platform, without this patch system will
get stuck at "Create SMBIOS type 17".

Change-Id: Id870c983584771dc1b60b1c99e95bbe7c0d25c4c
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/25377
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-04-01 19:43:01 +00:00
Raul E Rangel
50021cdb06 arch/x86/smbios: Strip trailing whitespace on DMI 17 part number.
dmidecode used to print

    'HMAA51S6AMR6N-UH  '

it now prints

    'HMAA51S6AMR6N-UH'

BUG=b:65403853
TEST=Verified using dmidecode

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ia10ef434a2377e34ae7a8f733c6465c2f8ee8dfa
Reviewed-on: https://review.coreboot.org/25302
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-03-23 15:33:16 +00:00
Joel Kitching
3ab36b84f7 acpi: update comment referencing ACPI ID
ACPI ID for coreboot is now "BOOT" according to CL:18521.

BUG=none
BRANCH=master
TEST=none

Change-Id: I802ce284001b186f6cd8839b8c303d49f42b4d38
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/25042
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-03-14 04:33:53 +00:00
Julien Viard de Galbert
9a31dfeb18 smbios: Extend Baseboard (or Module) Information (type2)
Add more information on baseboard as described in SMBIOS Reference
Specification 3.1.1.

Change-Id: I9fe1c4fe70c66f8a7fcc75b93672421ae808bf1b
Signed-off-by: Julien Viard de Galbert <jviarddegalbert@online.net>
Reviewed-on: https://review.coreboot.org/23842
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
2018-03-07 21:12:47 +00:00
Julien Viard de Galbert
9d231a9fd3 smbios: Add option to select the enclosure type
This allows for a mainboard to change the value from its Kconfig.

The default value is still SMBIOS_ENCLOSURE_DESKTOP (0x03) or
SMBIOS_ENCLOSURE_LAPTOP (0x09) if SYSTEM_TYPE_LAPTOP is set.

Change-Id: I35bc913af69565531831746040a0afe0cabe1c58
Signed-off-by: Julien Viard de Galbert <jviarddegalbert@online.net>
Reviewed-on: https://review.coreboot.org/23841
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2018-03-01 13:46:49 +00:00
Richard Spiegel
bd65480593 src/arch/x86/smbios.c: Fix type 17 part number
Some DIMMs have invalid strings when it comes to device part number
(bytes 0x149-0x15c). From DDR4 SPD specs it should be ASCIIZ with unused
space filled with white spaces (ASCII 0x20). Byte 20 should be 0 (ASCIIZ),
all others should be ASCII.

Create a test that detects invalid strings and replace invalid
characters with *. If a replacement was made the output string then must
be <Invalid (replaced string)>.

BUG=b:73122207
TEST=Build, boot and record serial output for kahlee while injecting
different strings to dmi17->PartNumber. Use code to examine SMBIOS,
while testing different valid and invalid strings.
Remove string injection before committing.

Change-Id: Iead2a4cb14ff28d263d7214111b637e62ebd2921
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/23844
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
2018-02-26 15:06:58 +00:00
Elyes HAOUAS
879eab8626 arch/x86/acpi/statdef.asl: Remove unnecessary whitespace
Change-Id: I8c49853a54fc301d39dc7c362f2085c25fad7fbd
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/23433
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
2018-02-02 16:08:16 +00:00
Patrick Rudolph
6be6df0014 arch/x86/acpigen: Add generator for _ROM
Generate ACPI AML code for _ROM method.
This function takes as input ROM data and ROM length.

 Arguments passed into _DSM method:
 Arg0 = Offset in Bytes
 Arg1 = Bytes to return

Example:
 acpigen_write_rom(0xdeadbeef, 0x10000)

 AML code generated would look like:
        Method (_ROM, 2, NotSerialized)  // _ROM: Read-Only Memory
        {
            OperationRegion (ROMS, SystemMemory, 0xdeadbeef, 0x00010000)
            Field (ROMS, AnyAcc, NoLock, Preserve)
            {
                Offset (0x00),
                RBF0,   524288
            }

            Local0 = Arg0
            Local1 = Arg1
            If (Local1 > 0x1000)
            {
                Local1 = 0x1000
            }

            If (Local0 > 0x00010000)
            {
                Return (Buffer (Local1)
                {
                     0x00
                })
            }

            If (Local0 > 0x0f000)
            {
                Local2 = 0x10000 - Local0
                If (Local1 > Local2)
                {
                     Local1 = Local2
                }
            }

            Name (ROM1, Buffer (Local1)
            {
                 0x00
            })
            Local1 *= 0x08
            Local0 *= 0x08
            CreateField (RBF0, Local0, Local1, TMPB)
            ROM1 = TMPB /* \_SB_.PCI0.GFX0._ROM.TMPB */
            Return (ROM1) /* \_SB_.PCI0.GFX0._ROM.ROM1 */
        }

Change-Id: Ie118b15257295b7133c8e585c0fd5218249dec8d
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/20547
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2018-01-31 08:36:42 +00:00
Julien Viard de Galbert
9989171401 smbios: handle DIMM of 32G or more
According to SMBIOS Reference Specification (1)
section 7.18.5 Memory Device — Extended Size

When the size cannot be represented in the size field, it must be set to
0x7fff and the real size stored in the extended_size field.

1: https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.1.1.pdf

Change-Id: Idc559454c16ccd685aaaed0d60f1af69b634ea2e
Signed-off-by: Julien Viard de Galbert <jviarddegalbert@online.net>
Reviewed-on: https://review.coreboot.org/23396
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2018-01-26 17:27:51 +00:00
Aaron Durbin
f49ddb67de arch/x86: allow timestamp source to not be TSC
Some x86 platforms don't have a TSC that is invariant w.r.t.
rate to get accurate timestamps. As such a different timestamp
is required. Therefore, allow one to specify non-TSC timestamp
source and not compile in the default x86 TSC code.

BUG=b:72378235,b:72170796

Change-Id: I737fcbba60665b3bc2b5864269536fda78b44d90
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/23423
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
2018-01-25 22:36:54 +00:00
Arthur Heymans
0a4e0fd913 cpu/intel/speedstep: Fix the PNOT ACPI method
The PNOT method never notifies the CPU to update it's _CST methods due
to reliance on inexisting variable (PDCx).

Add a method in the speedstep ssdt generator to notify all available
CPU nodes and hook this up in this file.

The cpu.asl file is moved to cpu/intel/speedstep/acpi since it now
relies on code generated in the speedstep ssdt generator. CPUs not
using the speedstep code never included this PNOT method so this is
a logical place for this code to be.

Change-Id: Ie2ba5e07b401d6f7c80c31f2bfcd9ef3ac0c1ad1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/23144
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2018-01-17 17:09:13 +00:00
Furquan Shaikh
7332455a88 arch/x86/acpi_device: Provide macros for GPIO input with polarity
Similar to ACPI_GPIO_OUTPUT, this change provides ACPI_GPIO_INPUT_*
macros with ACTIVE_LOW and ACTIVE_HIGH polarity.

Change-Id: I77da6ad2f04d7f7bb6774df35105bdbe963d87d3
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/23235
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2018-01-17 17:06:45 +00:00
Martin Roth
0a19b080ef Intel i82830 boards & chips: Remove - using LATE_CBMEM_INIT
All boards and chips that are still using LATE_CBMEM_INIT are being
removed as previously discussed.

If these boards and chips are updated to not use LATE_CBMEM_INIT, they
can be restored to the active codebase from the 4.7 branch.

chips:
cpu/intel/socket_mFCBGA479
northbridge/intel/i82830

Mainboards:
mainboard/rca/rm4100
mainboard/thomson/ip1000

Change-Id: I9574179516c30bb0d6a29741254293c2cc6f12e9
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/22032
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2018-01-15 23:25:26 +00:00
Jonathan Neuschäfer
8f06ce3512 Constify struct cpu_device_id instances
There is currently no case where a struct cpu_device_id instance needs
to be modified. Thus, declare all instances as const.

Change-Id: I5ec7460b56d75d255b3451d76a46df76a51d6365
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/22526
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-11-23 05:00:17 +00:00
Mario Scheithauer
f1eb0ea537 arch/x86: Write ACPI DBG2 table only if the device has been enabled
The commit 93bbd41e (soc/intel: Enable ACPI DBG2 table generation)
causes a crash on the mainboard mc_apl1. On this mainboard all internal
SOC UARTs in the devicetree are switched off. As a result, no resources
are allocated to the UARTs. The function find_resource() expects an
existing resource. Otherwise, the CPU will stop. It should therefore not
only be queried whether a device is present, but also whether it is
enabled.

Change-Id: I56ce44ae0cf77916fcb640f79fb8944fe33177cd
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/22552
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2017-11-21 17:01:01 +00:00
Duncan Laurie
e4a36c7b52 arch/x86/acpi: Add support for writing ACPI DBG2 table
Add a function to create an ACPI DBG2 table, which is a Microsoft
ACPI extension for providing a description of the available debug
interface on a board.

A convenience function is provided for creating a DBG2 table with
a 16550 UART based on a PCI device.

This is tested by generating a device and verifying it with iasl:

[000h 0000   4]                    Signature : "DBG2"
[004h 0004   4]                 Table Length : 00000061
[008h 0008   1]                     Revision : 00
[009h 0009   1]                     Checksum : 3B
[00Ah 0010   6]                       Oem ID : "CORE  "
[010h 0016   8]                 Oem Table ID : "COREBOOT"
[018h 0024   4]                 Oem Revision : 00000000
[01Ch 0028   4]              Asl Compiler ID : "CORE"
[020h 0032   4]        Asl Compiler Revision : 00000000

[024h 0036   4]                  Info Offset : 0000002C
[028h 0040   4]                   Info Count : 00000001

[02Ch 0044   1]                     Revision : 00
[02Dh 0045   2]                       Length : 0035
[02Fh 0047   1]               Register Count : 01
[030h 0048   2]              Namepath Length : 000F
[032h 0050   2]              Namepath Offset : 0026
[034h 0052   2]              OEM Data Length : 0000
[036h 0054   2]              OEM Data Offset : 0000
[038h 0056   2]                    Port Type : 8000
[03Ah 0058   2]                 Port Subtype : 0000
[03Ch 0060   2]                     Reserved : 0000
[03Eh 0062   2]          Base Address Offset : 0016
[040h 0064   2]          Address Size Offset : 0022

[042h 0066  12]        Base Address Register : [Generic Address Structure]
[042h 0066   1]                     Space ID : 00 [SystemMemory]
[043h 0067   1]                    Bit Width : 00
[044h 0068   1]                   Bit Offset : 00
[045h 0069   1]         Encoded Access Width : 03 [DWord Access:32]
[046h 0070   8]                      Address : 00000000FE034000

[04Eh 0078   4]                 Address Size : 00001000

[052h 0082  15]                     Namepath : "\_SB.PCI0.UAR2"

Raw Table Data: Length 97 (0x61)

  0000: 44 42 47 32 61 00 00 00 00 3B 43 4F 52 45 20 20  // DBG2a....;CORE
  0010: 43 4F 52 45 42 4F 4F 54 00 00 00 00 43 4F 52 45  // COREBOOT....CORE
  0020: 00 00 00 00 2C 00 00 00 01 00 00 00 00 35 00 01  // ....,........5..
  0030: 0F 00 26 00 00 00 00 00 00 80 00 00 00 00 16 00  // ..&.............
  0040: 22 00 00 00 00 03 00 40 03 FE 00 00 00 00 00 10  // "......@........
  0050: 00 00 5C 5F 53 42 2E 50 43 49 30 2E 55 41 52 32  // ..\_SB.PCI0.UAR2
  0060: 00                                               // .

Change-Id: I55aa3f24776b2f8aa38d7da117f422d8b8ec5479
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/22452
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2017-11-15 16:07:14 +00:00
Marshall Dawson
6139a5c6ad arch/x86: Add common AMD ACPI hardware definitions
Match the corresonding Intel definitions for the ACPI register
definitions.

Change-Id: Ib804f4544d04fe08fefa493d75e0375de7cf9348
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/21883
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
2017-11-10 19:15:38 +00:00
Nico Huber
4d211ac08d arch/x86/acpigen: Add function to write a CPU package
Emits a list of CPU cores, e.g.

  Name (PPKG, Package (2) { \_PR.CP00, \_PR.CP01 })

Tested on Lenovo Thinkpad T500.

Change-Id: I10e9ebad84343d1fb282b3fbb28f5f014f664f14
Signed-off-by: Nico Huber <nico.h@gmx.de>
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/21324
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-11-04 17:23:06 +00:00
Paul Menzel
0187380875 arch/x86/gdt: Move variable assignment down
The Clang Static Analyzer warns about an unused assignment, when
building the image for the Lenovo X60.

```
src/arch/x86/gdt.c:39:6: warning: Value stored to 'num_gdt_bytes' \
        during its initialization is never read
        u16 num_gdt_bytes = (uintptr_t)&gdt_end - (uintptr_t)&gdt;
            ^~~~~~~~~~~~~   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```

If `CONFIG_RELOCATABLE_RAMSTAGE` is selected, the function returns
before the assignment is used. So, move the assignment below the if
statement.

Change-Id: Ibcb8bce743d8cb3625647804816fb97f937dc429
Found-by: clang version 4.0.1-6 (tags/RELEASE_401/final), Debian Sid/unstable
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: https://review.coreboot.org/21957
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Martin Roth <martinroth@google.com>
2017-11-03 15:20:15 +00:00
Furquan Shaikh
2d65d20436 arch/x86: Restore forwarding table on resume for non EARLY_EBDA_INIT
In commit c06a3f72 (arch/x86: initialize EBDA in S3 and S0/S5 path),
BDA and EBDA are wiped in the resume path. It results in coreboot
forwarding table address being wiped out since it is stored in the
BDA. This issue was resolved for platforms using EARLY_EBDA_INIT in
commit f46a9a0d (arch/x86: restore forwarding table on resume for
EARLY_EBDA_INIT). However platforms that do not use EARLY_EBDA_INIT
still run into the same issue and hence cbmem does not work on
resume. This change fixes the issue by using the stash/restore of
forwarding table address for all platforms using BDA.

BUG=b:68412690
TEST=Verified that cbmem works on S3 resume for coral.

Change-Id: I42ae2ccb0b4ce8e989b1032d82b9bb34d0d84db0
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/22207
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-10-29 01:59:18 +00:00
Aaron Durbin
f46a9a0d3a arch/x86: restore forwarding table on resume for EARLY_EBDA_INIT
In commit c06a3f72 (arch/x86: initialize EBDA in S3 and S0/S5 path)
the BDA and EBDA are wiped in the resume path. However, the coreboot
table forwarding entry wasn't taken into account so that was wiped
which resulted in cbmem not working on the resume path. Fix this
by stashing the forwarding table in cbmem and restoring it on
the resume path.

Change-Id: I142503535a78635fbb1c698fc7d032c1a2921813
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/22078
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2017-10-18 19:56:21 +00:00
Aaron Durbin
c06a3f72f8 arch/x86: initialize EBDA in S3 and S0/S5 path
It's more consistent to re-initialize EBDA in all boot paths.
That way, the data living in EBDA is cleared prior to be
accessed (assuming it's after setup_ebda()).

Change-Id: I05ff84f869f7b6a463e52b4cb954acc5566475cd
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21997
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
2017-10-16 16:56:19 +00:00
Paul Menzel
95c4aa5121 arch/x86/gdt: Correct format of multi-line comment
Change-Id: I87148315cdf7e420eac2f3f680251f8e963a9707
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: https://review.coreboot.org/21956
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
2017-10-16 00:10:33 +00:00
Subrata Banik
19dbffd010 arch/x86: Add ebda read/write functions into EBDA library
This patch provides new APIs to write into EBDA area
and read from EBDA area based on user input structure.

Change-Id: I26d5c0ba82c842f0b734a8e0f03abf148737c5c4
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/21536
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
2017-09-22 15:29:38 +00:00
Subrata Banik
c7590cd9f3 arch/x86: Enable ebda library for romstage and postcar
This patch provides a kconfig option as EARLY_EBDA_INIT to
ensures user can make use of EBDA library even during early
boot stages like romstage, postcar.

Change-Id: I603800a531f56b6ebd460d5951c35a645fbfe492
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/21388
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-22 15:29:30 +00:00
Subrata Banik
5d2928cdab arch/x86: Include acpi_s3.c support in postcar stage
This patch ensures acpi APIs are available for postcar
stage.

Change-Id: Ia0f83cd4886ba7a16286dbbeb3257ede014ee3c7
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/21626
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-22 15:29:25 +00:00
Kyösti Mälkki
a097fb8fff arch/x86: Fix typo with MTRR
Change-Id: I67a470c2c2a659d5355fdd0939d0572c1ff3e291
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21519
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-09-13 17:26:27 +00:00
Kyösti Mälkki
740afc4dde arch/x86/postcar: Support CBMEM_TOP_BACKUP
Boards with CBMEM_TOP_BACKUP=y can also use POSTCAR_STAGE
for MTRR setup after adding this file in the build.

Change-Id: I5f9a673ff59ccfbba16308d27f653f5cf3b49017
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21445
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-08 03:18:15 +00:00
Kyösti Mälkki
a7421fb9cb arch/x86 postcar: Fix use with stage_cache
Postcar failed when loading from stage_cache, if
romstage did not pass same pcf->stack on normal
and resume paths.

Change-Id: I853afb1fbdb942fd671d89950911c850c96e3af3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21444
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-09-08 03:18:04 +00:00
Jonathan Neuschäfer
78fc3fc105 arch/x86/Kconfig: Add deprecation warnings for LATE_CBMEM_INIT
The deprecation of late (post-romstage) CBMEM initialization was
announced in this blog post:
https://blogs.coreboot.org/blog/2017/05/08/announcing-coreboot-4-6/

There are two warnings:
* In LATE_CBMEM_INIT's help text, I've added a multi-line warning, that
  aims to explain the problem.
* In src/mainboard/Kconfig (just below the mainboard selection), there's
  a warning which points the user at LATE_CBMEM_INIT, if such a board is
  selected.

Also update the function that needs to be implemented, as pointed out by
Keith Hui and Kyösti Mälkki.

Change-Id: I2d21a6ab2fc2811d44fc4febb05841bb2f8d1857
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/21112
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2017-09-06 04:43:53 +00:00
Kyösti Mälkki
746241f114 ACPI S3: Remove conflicting local acpi_get_sleep_type()
We now require EARLY_CBMEM_INIT and romstage_handoff to
support HAVE_ACPI_RESUME. Thus acpi_handoff_wakeup() would
never call an externally defined acpi_get_sleep_type().

Name _sleep_type() was also inapproriate here, as it referred
to hardware-dependent SLP_TYP field of PM1CNT but still
returned ACPI_Sx value instead.

Change-Id: I8dc130f1e86dd7e96922d546f0ae9713188336cd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21397
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
2017-09-06 04:11:46 +00:00
Patrick Georgi
e8741fe954 Move ADDR32() hack to arch/x86
It's arch specific, so no need to pollute non-x86 with it.

Change-Id: I99ec76d591789db186e8a33774565e5a04fc4e47
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/21392
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-05 17:24:46 +00:00
Furquan Shaikh
edf459fe65 acpigen: Add stop gpio control to power resource
There is at least one I2C device (being used by Soraka) that has 3
controls -- enable, reset and stop. If the stop gpio is not put into
the right state when turning off the device in suspend mode, then it
causes leakage. Thus, we need control in power resource to be able to
stop the device when entering suspend state.

BUG=b:64987428
TEST=Verified on soraka that touchscreen stop is correctly configured
on suspend.

Change-Id: Iae5ec7eb3972c5c7f80956d60d0d3c321bbefb0f
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/21249
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-08-30 16:40:14 +00:00
Duncan Laurie
b3023b697a acpi_device: Provide a new function to add a list of properties
Provide a new function that will allow adding arbitrary properties
to devicetree entries without needing a custom driver for the device.

This will allow the 'generic i2c' driver to support kernel drivers
that need additional device properties exposed and have those board
specific properties set with values from devicetree.

BUG=b:63413023
TEST=not used yet, compiles cleanly

Change-Id: Id272256639a8525406635e168a3db5ab1ba4df6b
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/21269
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-08-30 15:36:50 +00:00
Marc Jones
7a2d4ea4ee arch/x86: Add Kconfig option for ACPI \_PR CPU name string
Add a Kconfig option to change the \PR.CPxx name string. This
provides some flexibility when working with table not generated
by coreboot.

Change-Id: Ibc0c56783c6da80501e2177de96a414b592cb74f
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/21210
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
2017-08-29 15:58:23 +00:00
Kyösti Mälkki
2e50142f62 i82801dx/gx/ix/jx: Add low-memory backup for S3 path
SMM relocation code overwrite low memory owned by OS.

Change-Id: Ifa3d28bed3d3db65b0707bde62ae2b424a231f1a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/19405
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-08-19 15:31:51 +00:00
Nico Huber
0f2dd1eff9 include/device: Split i2c.h into three
Split `i2c.h` into three pieces to ease reuse of the generic defi-
nitions. No code is changed.

* `i2c.h`        - keeps the generic definitions
* `i2c_simple.h` - holds the current, limited to one controller driver
                   per board, devicetree independent I2C interface
* `i2c_bus.h`    - will become the devicetree compatible interface for
                   native I2C (e.g. non-SMBus) controllers

Change-Id: I382d45c70f9314588663e1284f264f877469c74d
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20845
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-08-18 15:33:29 +00:00
Marshall Dawson
a102a029c5 arch/x86: Make postcar TempRamExit call generic
Move the FSP-specific call for tearing down cache-as-RAM out of
postcar.c and replace it with an empty weak function.

This patch omits checking if (IS_ENABLED(CONFIG_FSP_CAR)).  The
temp_ram_exit.c file with the real fsp_temp_ram_exit() is only built
when CONFIG_FSP_CAR is true.

Change-Id: I9adbb1f2a7b2ff50d9f36d5a3640f63410c09479
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/20965
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-08-17 17:52:21 +00:00
Konstantin Aladyshev
d0df1d7c4e SMBIOS: Correct length calculation for empty string table
If all strings in SMBIOS table are empty, smbios_string_table_len
function should return 2, cause every table must end with "\0\0".

Also replace "eos" field type in smbios structures
from char to u8.

Change-Id: Ia3178b0030aa71e1ff11a3fd3d102942f0027eb1
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-on: https://review.coreboot.org/20840
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2017-08-10 15:56:45 +00:00