Commit graph

59 commits

Author SHA1 Message Date
Arthur Heymans
9c1f78d3e5 acpi/acpigen.c: Ignore compiler warning about stack overflowing
With arm64 -Wstack-usage= is enabled which is triggered on any use of
alloca(). Since this function basically works on x86 without wrecking
things and causing massive stack consumption it's unlikely to cause
problems on arm64.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I5d445d151db5e6cc7b6e13bf74ce81007d819f1d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76007
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
2023-07-21 07:33:06 +00:00
Arthur Heymans
62ea7a8165 acpi/acpigen.c: Be explicit about char sign
The sign of 'char' is not standardized and with GCC is architecture
dependent.

This fixes warnings when compiling this file on arm64.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I53b99835b2ffec5d752fc531fd59e4715f61aced
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76006
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-06-26 12:05:07 +00:00
Felix Held
e3c9a04f8b acpi/acpigen: generate DWord IO resource in acpigen_resource_producer_io
When an IO resource producer is generated that covers the whole IO space
from 0 to 0xffff, the length field in the word resource ACPI type would
overflow and be truncated which results in Linux not finding any usable
IO space to use for the PCI IO BARs. Instead generate a double word IO
resource producer to have all cases supported. Beware that covering all
IO ports with the IO resource producer while covering the PCI config IO
ports with a resource consumer in the same PCI root device will make
Linux a bit unhappy and it will complain due to the overlap, but still
end up doing the right thing:

acpi PNP0A08:00: host bridge window expanded to [io 0x0000-0xffff]; [io 0x0000-0xffff window] ignored

The SoC code should make sure to carve out the PCI config IO ports from
the IO resource producer.

TEST=Both Ubuntu 2022.04.1 LTS and Windows 10 are ok with the IO DWord
resource producer.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I8a59cdfcfa30a8fdd13f8db3dc1447994c266c8b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75613
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-06-07 00:09:37 +00:00
Felix Held
0fdede09e0 acpi/acpigen: rename and clarify bus/IO/MMIO resource producer functions
The acpigen_resource_[bus_number,io,mmio*] functions didn't make it very
clear that they are generating resource producer ranges and not resource
consumer ranges. To clarify this, change the function names to
acpigen_resource_producer_[bus_number,io,mmio*] and explicitly add the
ADDR_SPACE_GENERAL_FLAG_PRODUCER flag which evaluates to 0, so this
doesn't change the functionality.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I334f38aa8ab418d5577f92b980ff750504e2bb4e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75486
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
2023-05-30 16:05:35 +00:00
Felix Held
21594fd161 acpi/acpigen: add acpigen_resource_mmio to generate MMIO resource
Add the acpigen_resource_mmio helper function to generate an MMIO range
resource.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I38d55dfcc2892bcb5d253a3aef6ed993cfdba0a5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75045
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2023-05-26 13:57:47 +00:00
Cliff Huang
f97598f22f acpi: Warn on timeout in write_delay_until()
Make ACPI code print a debug warning message when a timeout is
detected in a loop waiting for a condition.

This timeout message won't be displayed when this function is used as
delay loop (ie. without checking variable condition).

The following is required to get this log in kernel log buffer:

    echo 1 > /sys/module/acpi/parameters/aml_debug_output

Here is an example of generated code when waiting for variable L23E to
be 0.

    Local7 = 0x08
    While ((Local7 > Zero))
    {
        If ((L23E == Zero))
        {
            Break
        }

        Sleep (0x10)
        Local7--
        If ((Local7 == Zero))
        {
            Debug = "WARN: Wait loop timeout for variable L23E"
        }
    }

BRANCH=firmware-brya-14505.B
TEST=Boot to OS and check that the Debug print is added to the
     function.

Change-Id: I3843e51988527e99822017d1b5f653ff2eaa7958
Signed-off-by: Cliff Huang <cliff.huang@intel.com>
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73348
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
2023-05-17 11:30:30 +00:00
Cliff Huang
063a1b83f8 acpigen: Add printf-like function for debug string
Generate formatted string and ACPI code to print debug string.

For example (with pcie_rp = 1):

    acpigen_write_debug_sprintf("calling _ON for RP: %u", pcie_rp);

generates the following ACPI code:

    Debug = "calling _ON for RP: 1"

With this new function, the following functions are not needed anymore
and therefore are removed by this patch.

- acpigen_concatenate_string_string()
- acpigen_concatenate_string_int()
- acpigen_write_debug_concatenate_string_string()
- acpigen_write_debug_concatenate_string_int()

BRANCH=firmware-brya-14505.B
TEST=Add above functions in the acpigen code and check the generated
     SSDT table after OS boot. Check the debug messages is in the
     kernel log when /sys/modules/acpi/parameters/aml_debug_output is
     set to '1'.

Change-Id: Id4a42e5854516a22b7bc4559c2ed08680722c5ba
Signed-off-by: Cliff Huang <cliff.huang@intel.com>
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73113
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Zhixing Ma <zhixing.ma@intel.com>
Reviewed-by: Musse Abdullahi <musse.abdullahi@intel.corp-partner.google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
2023-05-16 12:22:32 +00:00
Felix Held
b2f2b53fb2 acpi/acpigen: add comment about byte 0 in acpigen_resource_*word
Since it's not obvious, add comments to acpigen_resource_word,
acpigen_resource_dword and acpigen_resource_qword to clarify out what
the magic number in byte 0 means. The most significant bit of byte 0
indicates if it is a small or large resource data type. In the case of
the MSB being 0, it's a small resource data type (aka type 0), and the
other bits encode bit the type and size of the item; if the MSB is 1,
it's a large resource data type (aka type 1), and the other bits just
encode the type and there are two separate bytes to encode the size.
Beware that the large resource's data type values in the ACPI
specification don't include the MSB that's set, but only the 7 lower
bits.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia6a6c9fb1bcde232122bb5899b9a0983ef48e12b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75158
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2023-05-14 17:51:11 +00:00
Felix Held
f0a8b042c9 acpi/Kconfig: move \_SB scope out of ACPI_CPU_STRING
In ACPI 1.0 the processor objects were inside the \_PR scope, but since
ACPI 2.0 the \_SB scope can be used for that. Outside of coreboot some
firmwares still used the \_PR scope for a while for legacy ACPI 1.0 OS
compatibility, but apart from that the \_PR scope is deprecated.
coreboot already uses the \_SB scope for the processor devices
everywhere, so move the \_SB scope out of the ACPI_CPU_STRING to the
format string inside the 3 snprintf statements that use the
ACPI_CPU_STRING.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Suggested-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Change-Id: I76f18594a3a623b437a163c270547d3e9618c31a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75167
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2023-05-13 18:34:44 +00:00
Felix Held
6695be65f3 acpi/acpigen: add acpigen_resource_io to generate I/O resource
Add the acpigen_resource_io helper function to generate an I/O range
resource.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I177f59b52d4dbbff0a3ceeef5fc8c7455cef9ff8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75044
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
2023-05-11 19:30:10 +00:00
Felix Held
5a82f0d3a9 acpi/acpigen: add acpigen_resource_bus_number to generate bus number
Add the acpigen_resource_bus_number helper function to generate a bus
number range resource.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: Ib1f1da3dbe823c6bc4fc30c0622653410cfbf301
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75043
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
2023-05-11 19:28:59 +00:00
Felix Held
2d4112f76b acpi/acpigen: add acpigen_write_BBN to generate base bus number method
Introduce acpigen_write_BBN to generate the ACPI method object that
returns the base bus number for a PCI(e) host bridge. When called, the
base_bus_number argument must be the first PCI bus number that got
assigned to the corresponding host bridge.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ib67bf42b9c77c262d8a02d8f28ac5cb8482136b9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74991
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
2023-05-08 16:00:54 +00:00
Arthur Heymans
0eb5974def acpigen: Add a runtime method to override exposed _Sx sleep states
This allows mainboards to override available sleep states at runtime.
This is done by adding a IntObj in SSDT that DSDT consumes to override
the available _Sx states.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: Ic21830c1ef9c183b1e3005cc1f8b7daf7e9ea998
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74762
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-by: Jan Samek <jan.samek@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
2023-05-01 06:38:36 +00:00
Kyösti Mälkki
ddc37d69cb ACPI: Add acpigen_write_PTC()
Change-Id: Ibaf2d7105e7a5da8a50ef32b682978ff55fe31e0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74473
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2023-04-26 10:51:35 +00:00
Felix Held
f28f27bc54 acpi/acpigen: use acpigen_write_store_* in acpigen_write_rom
Use existing functions instead of open-coding the same functionality.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ie35c7e0fd3caa25b0d3d02443609e54dd2fdcb7c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72937
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
2023-02-10 18:28:38 +00:00
Felix Held
178cf35098 acpi/acpigen: add acpigen_write_store_namestr_to_namestr
acpigen_write_rom open-codes this functionality, so add a function for
this.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ief25dd854d1639a295c021e9d02c05b4cc61109c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72936
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
2023-02-10 18:27:53 +00:00
Felix Held
383a06ef8d acpi/acpigen: use acpigen_write_if_lgreater_* in acpigen_write_rom
Use existing functions instead of open-coding the same functionality.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I660bd5d357eb86c19a5a7847925f6176c3fb4425
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72935
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
2023-02-10 18:27:32 +00:00
Cliff Huang
24f3dc8a17 src/acpi: add function gen: if_lgreater_ and namestr assignment
1. add functions to generate if greater than conditions:
acpigen_write_if_lgreater_op_op:
   if (op1 > op2)
acpigen_write_if_lgreater_op_int:
   if (op > val)
acpigen_write_if_lgreater_namestr_int:
   if (namestr > val)
2. add function to assignal value to a namestr
 acpigen_write_store_namestr_to_op:
   namestr = val

TEST=Use above functions and check the generated SSDT table after OS
boot.

Signed-off-by: Cliff Huang <cliff.huang@intel.com>
Change-Id: Iffe1b23362a7ab58bdc2aa8daf45cd6f086ee818
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72825
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Reviewed-by: Anil Kumar K <anil.kumar.k@intel.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-02-09 15:04:34 +00:00
Elyes Haouas
9c8249195d acpi/acpigen.c: Add a comment to deprecate acpigen_write_processor()
ACPI Revision 6.0 deprecates Processor keyword, so use
acpigen_write_processor_device() instead.

Change-Id: I31626f4e323dd9053a63c0f5e89d1685103e4bd4
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72487
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2023-02-07 11:47:50 +00:00
Felix Held
32bba1877b acpi/acpigen: introduce acpigen_write_processor_device
The ACPI PROCESSOR_OP has been deprecated in ACPI 6.0 and dropped in
ACPI 6.4 and is now permanently reserved. As a replacement, DEVICE_OP
with the special HID ACPI0007 should be used instead. This special HID
was introduced in version 3 of the ACPI spec. To have a function to
generate this, acpigen_write_processor_device is introduced. The CPU
index is used as UID which can be assumed to be unique.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ifb0da903a972be134bb3b9071f81b441f60917d1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72469
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2023-01-31 17:35:42 +00:00
Felix Held
b57b12f729 acpi/acpigen: factor out acpigen_write_processor_namestring
This functionality is used in multiple places, so factor it out into a
function. Compared to acpigen_write_processor_cnot, the buffer size is
decreased from 40 to 16 bytes, but the format string specified by
CONFIG_ACPI_CPU_STRING results in 9 chars and a NULL byte which will fit
into the buffer without any issue. I've seen the CPU devices being put
into another scope within \_SB, but even in that case that would be 14
chars and a NULL byte whist still fits into the 16 byte buffer. For
acpigen_write_processor and acpigen_write_processor_package this doesn't
change any edge case behavior. In the unrealistic case of the format
string resulting in a longer CPU device string, this would have been a
problem before this patch too.

Also drop the curly braces of the for loop in
acpigen_write_processor_package. This makes the code a bit harder to
read and isn't a very good idea, but with the curly braces in place, the
linter breaks the build :(

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I5d8291a2aaae2011cb185d72c7f7864b6e2220ec
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72452
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
2023-01-28 18:50:10 +00:00
Cliff Huang
e608308ade src/acpi: add debug message with concatenated string
add functions for concatenate OP
add debug message containing concatenated string with string, value, or
OPs

Ex1: to print string with another string provided from C side:
acpigen_write_debug_concatenate_string_string("Wait loop Timeout! var=",
            name, LOCAL6_OP);
will generate:
    Concatenate ("Wait loop Timeout! var=", "L23E", Local6)
    Debug = Local6

Ex2: to print string with a value:
acpigen_write_debug_concatenate_string_int("ModPHY enabling for RP:",
    pcie_rp, LOCAL0_OP);

will generate:
    Concatenate ("ModPHY enabling for RP:", 0x05, Local0)
    Debug = Local0

Ex3: to print string with an ACPI OP:
acpigen_write_debug_concatenate_string_op("while Loop count: ",
    LOCAL7_OP, LOCAL6_OP)

will generate:
    Concatenate ("while Loop count: ", Local7, Local6)
    Debug = Local6

TEST=Add above functions in the acpigen code and check the generated
SSDT table after OS boot

Signed-off-by: Cliff Huang <cliff.huang@intel.com>
Change-Id: I370745efe3d6b513ec2c5376248362a3eb4b3d21
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72126
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
2023-01-27 14:47:10 +00:00
Elyes Haouas
3141fbade8 src/acpi: Remove unnecessary space after casts
Change-Id: I3c077dee1c14e4aa45f837361daf799f02d32a29
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69818
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2022-11-22 13:48:23 +00:00
Michael Niewöhner
060dc7b26d acpigen: export acpigen_write_field_name
It will be used in a follow-up change.

Change-Id: If89f9569c33949995d3b45a5f871ff2cb84a6610
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68787
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2022-11-02 21:03:40 +00:00
Elyes Haouas
1f5e1b4f3c src/acpi/acpigen.c: Reformat code
Change-Id: I58851c8a26cad61975f8ba2910eedef3029aab6f
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62131
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao
2022-02-21 15:19:24 +00:00
Julius Werner
e9665959ed treewide: Remove "ERROR: "/"WARN: " prefixes from log messages
Now that the console system itself will clearly differentiate loglevels,
it is no longer necessary to explicitly add "ERROR: " in front of every
BIOS_ERR message to help it stand out more (and allow automated tooling
to grep for it). Removing all these extra .rodata characters should save
us a nice little amount of binary size.

This patch was created by running

  find src/ -type f -exec perl -0777 -pi -e 's/printk\(\s*BIOS_ERR,\s*"ERROR: /printk\(BIOS_ERR, "/gi' '{}' ';'

and doing some cursory review/cleanup on the result. Then doing the same
thing for BIOS_WARN with

  's/printk\(\s*BIOS_WARNING,\s*"WARN(ING)?: /printk\(BIOS_WARNING, "/gi'

Signed-off-by: Julius Werner <jwerner@chromium.org>
Change-Id: I3d0573acb23d2df53db6813cb1a5fc31b5357db8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61309
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Lance Zhao
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
2022-02-07 23:29:09 +00:00
Sridhar Siricilla
0fd734046a src/include/acpi: Move CPPC_PACKAGE_NAME macro definition
The patch moves the CPPC_PACKAGE_NAME macro definition from file
acpi/acpigen.c to include/acpi/acpigen.h file since the
CPPC_PACKAGE_NAME method will get called from cpu/intel/common
in a later patch.

TEST=Built the code for Brya

Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Change-Id: Ic547445cdbe2b1a3efe44390bd127f577386e7fc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59358
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2022-01-18 16:13:28 +00:00
Arthur Heymans
bce7458aa1 acpi/acpigen.c: Remove weak gpio definition
Compiletime errors > runtime errors.

Change-Id: I1db0a8f01eaecf012e5444c03f8d4e2bb6e42a77
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58649
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2021-10-29 00:52:50 +00:00
Michael Niewöhner
38107fa80e acpigen,soc/amd,cpu/intel: rework static DWORD for CPPC table
Some elements in the ACPI CPPC table allow static DWORDs. Instead of
using a fake register resource, use a tagged union with the two types
"register" and "DWORD" and respective macros for CPPC table entries.

Test: dumped SSDT before and after do not differ.

Change-Id: Ib853261b5c0ea87ae2424fed188f2d1872be9a06
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57886
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2021-10-21 20:03:14 +00:00
Angel Pons
d2794cea12 acpi/acpigen: Constify CST functions' pointers
The `acpigen_write_CST_package` and `acpigen_write_CST_package_entry`
functions don't modify the provided C-state information. So, make the
pointer parameters read-only to enforce this. Also constify arguments
where possible.

Change-Id: I9e18d82ee6c16e4435b8fad6d467e58c33194cf4
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58391
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2021-10-19 14:57:39 +00:00
Tim Wawrzynczak
d96f3a25b4 acpigen: Add ability to auto-generate _DSM Function 0
Since the value returned by _DSM function 0 for a given UUID is trivial
to calculate, add the ability to do so to the
acpigen_write_dsm() functions.

Change-Id: Id9be050442485b42202cf91649aa94e56f35032a
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56459
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2021-09-10 19:39:09 +00:00
Tim Wawrzynczak
c4ca2f6396 acpi: Add function to simplify If (CondRefOf (..)) sequences
The new function is called acpigen_write_if_cond_refof(), and it must
be paired with a following acpigen_write_if_end() call.

Change-Id: I6e192a569f550ecb77ad264275d52f219eacaca1
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56003
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2021-07-12 07:34:44 +00:00
Raul E Rangel
052c963485 acpi: Add acpigen_write_thermal_zone
BUG=b:186166365
TEST=Compiles

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Icf88477143049119036c00276f9a01985dc0b4d3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54131
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2021-05-14 08:54:48 +00:00
Raul E Rangel
c7048323f4 acpi: Add acpigen_write_LPI_package
Low Power Idle States defines additional information not present in the
_CST.

See ACPI Specification, Version 6.3 Section 8.4.4.3 _LPI.

BUG=b:178728116, b:185787242
TEST=Boot guybrush and dump ACPI tables

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Change-Id: I4f5301b95ff8245facaf48e2fbd51cc82df2d8cc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52529
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
2021-04-21 22:27:55 +00:00
Jakub Czapiga
61fcb7e965 acpi/acpigen.h: Add more intuitive AML package closing functions
Until now every AML package had to be closed using acpigen_pop_len().
This commit introduces set of package closing functions corresponding
with their opening function names. For example acpigen_write_if()
opens if-statement package, acpigen_write_if_end() closes it.
Now acpigen_write_else() closes previously opened acpigen_write_if(),
so acpigen_pop_len() is not required before it.

Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: Icfdc3804cd93bde049cd11dec98758b3a639eafd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50910
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2021-03-22 11:21:55 +00:00
Tim Wawrzynczak
d40a4c2bb4 acpi: Move PCI functions to separate file
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Idc96b99da9f9037267c0bec2c839014b13ceb8cc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51106
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Lance Zhao
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2021-03-01 08:26:23 +00:00
Elyes HAOUAS
cdd2f63947 src/acpi: Add missing <types.h>
Change-Id: Iec78183b43ea26d9de14e0ce28eef6fc0361cc95
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50555
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2021-02-16 08:15:31 +00:00
Jakub Czapiga
7435e254d4 acpi/acpigen.c: Remove unused and incorrect functions
acpigen_write_name_zero() and acpigen_write_name_one() are not
implemented correctly, and are not used anywhere. Drop them in
favor of the more flexible acpigen_write_name_integer() function.

Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: I116fd41624a8e8b536d18d747f21d3131b734dfc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49834
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Lance Zhao
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2021-01-28 09:10:28 +00:00
Ronak Kanabar
7c0f007cf5 src/acpi/acpigen: Add NULL pointer check
Add NULL pointer check in acpigen_emit_namestring
to avoid segmentation fault.

Change-Id: I3d01d28e74f202278b5a5a96d2edd45c66f10883
Signed-off-by: Ronak Kanabar <ronak.kanabar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48148
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-12-02 06:07:05 +00:00
Duncan Laurie
ec2e3e479a acpigen: Add more useful helper functions
acpigen_write_debug_namestr() - Debug = NAME
acpigen_write_return_namestr() - Return (NAME)
acpigen_set_package_op_element_int() - Set package pointer element
 DeRefOf (PKG[ELEM]) = INT
acpigen_get_package_element() - Get package (not pointer) element
 dest_op = PKG[ELEM]
acpigen_set_package_element_int() - Set package element to integer
 PKG[ELEM] = INT
acpigen_set_package_element_namestr() - Set package element to namestr
 PKG[ELEM] = NAME
acpigen_write_delay_until_namestr_int() - Delay while waiting for
register to equal expected value.

BUG=b:160996445

Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I9b20a23872b7d4a50f03761032426ffbb722b9ee
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47196
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-11-09 07:30:01 +00:00
Michael Niewöhner
b20aac0721 soc/intel/skl,acpi/acpigen: convert global CPPC package to local one
Move the global CPPC package \GCPC to the first logical core CP00 and
adapt the reference in the other cores. This is cleaner and avoids
confusion.

Test: dumped SSDT on Supermicro X11SSM-F and verified decompiled version

Change-Id: I40b9fd644622196da434128895eb6fb96fdf254d
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46465
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2020-11-04 09:40:21 +00:00
Duncan Laurie
3502960e50 acpigen: Make acpigen_write_opregion() argument const
This structure is not modified so it can be made const and allow
the calling function to also declare it as a const structure.

Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: Id8cdfb4b3450a5ab2164ab048497324175b32269
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46258
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-21 22:24:27 +00:00
Duncan Laurie
30c3f91d33 acpigen: Make gpio set/get arguments const
The 'struct acpi_gpio' arguments passed to acpigen functions are
not modified so they can be made const, which allows drivers to
also use a const pointer.

Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I59e9c19e7bfdca275230776497767ddc7f6c52db
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46257
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-21 22:24:19 +00:00
Duncan Laurie
36858208e6 acpigen: Add ShiftLeft function helper
Provide a helper function for the ACPI shift left operator that
uses the same operator for the source and result.

ShiftLeft (OP, count, OP)

Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I66ee89bd1c4be583d0e892b02535bfa9514d488a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46256
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-21 22:24:11 +00:00
Duncan Laurie
8e391d3452 acpigen: Add helpers for common Store operations
Add helpers for some store operations:

Store(INTEGER, NAME) ex: Store (100, SAVE)
Store(INTEGER, OP)   ex: Store (100, Local0)

Change-Id: Ia1b3f451acbfb2fc50180a8dcd96db24d330c946
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46255
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-21 22:24:03 +00:00
Duncan Laurie
095bbf969d acpigen: Add option for reserved bits in Field
Add an option for unused/reserved bits in a Field definition,
allowing for declarations that do not start at bit 0:

Field (UART, AnyAcc, NoLock, Preserve)
{
    , 7,  /* RESERVED */
    BITF, /* Used bit */
}

These just use byte 0 instead of a name.

Change-Id: I86b54685dbdebacb0834173857c9341ea9fa9a46
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46254
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-21 22:23:55 +00:00
Jason Glenesk
ca36aedb4e acpi: Add SSDT pstate helper functions
Add new generic helper functions for PSS, PCT, XPSS, objects.

BUG=b:155307433
TEST=Boot Morphius and dump SSDT. Confirm PSS and PCT objects appear
as expected and conform to ACPI_6_3_May16.pdf ACPI specification.
Check XPSS against Microsoft "Extended PSS ACPI Method Specification"
XPSS_spec.doc April 2, 2007.
BRANCH=Zork

Change-Id: I1ea218bcee33093481e82390550ff96d9d2cb8b5
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45437
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2020-09-22 16:06:34 +00:00
Jason Glenesk
201acca634 acpi: Correct sizes for ACPI data fields
Correct sizes of Count, Type, and Latency data field in _CST object to
integer, byte, word, respectively. Correct size of NumEntries data field
in _CSD object to integer.

BUG=b:155307433
TEST=Boot Morphius and dump SSDT _CST and _CSD objects. Confirm that
sizes written conform to ACPI_6_3_May16.pdf ACPI specification.
BRANCH=Zork

Change-Id: I356b46f2fa787e18442a66280b6545a3b525a08b
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45339
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-09-15 13:41:58 +00:00
Elyes HAOUAS
0a490d246c src/acpi: Drop unneeded empty lines
Change-Id: I561717c9ee3471462ee510f12c821cfe236b23be
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44603
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2020-08-24 09:16:59 +00:00
Aaron Durbin
80bc091564 acpi: add more AML generation functions
Add the following functions to acpi AML generation code:

acpigen_write_to_integer_from_namestring()
acpigen_write_create_byte_field()
acpigen_write_create_word_field()
acpigen_write_create_dword_field()
acpigen_write_create_qword_field()

BUG=b:163583825

Change-Id: Ida151aff68f90012b16df2383fb96ddb87c3fb9c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44641
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-08-21 16:19:30 +00:00