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In commit 2609eaaa8f (src/drivers/i2c/rx6110sa: Omit _HID temporarily)
the randomly assigned and therefore wrong ACPI ID for RTC RX6110SA was
removed. In the meantime Seiko-Epson did a great job and registered an
official vendor ID in the ACPI database [1]. Further on, Seiko-Epson
has now assigned the unique Product Identifier for the RX6110SA, which
is '6110'. The assignment of the Product Identifier is controlled by
the vendor and there is no official database where this ID is stored
in. It is up to the vendor to make sure that this ID stays unique.
This patch adds this new vendor and product ID to the driver. Together
with a pending Linux patch this RTC is now useable as ACPI device in
Linux.
[1] https://uefi.org/ACPI_ID_List?search=SECC
Change-Id: I45838162f014a760520692c6dcaae329ad98547d
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51176
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Johannes Hahn <johannes-hahn@siemens.com>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The current HID "RX6110SA" does not comply with the ACPI spec in terms
of the naming convention where the first three caracters should be a
vendor ID and the last 4 characters should be a device ID. For now
there is a vendor ID for Epson (SEC) but there is none for this
particular RTC. In order to avoid the reporting of a non ACPI-compliant
HID it will be dropped completely for now.
Once Epson has assigned a valid HID for this RTC, this valid HID will be
used here instead.
Change-Id: Ib77ffad084c25f60f79ec7d503f14731b1ebe9e2
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47706
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The defines for RX6110SA_SLAVE_ADR and RX6110SA_I2C_CONTROLLER are not
used anymore and can be deleted.
Change-Id: I3cddf7a9e2f757a22c729ae0f0ff767d55909b9c
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47236
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Tested-by: siemens-bot
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
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This patch adds basic ACPI support for the RTC so that the OS is able to
use this RTC via the ACPI interface.
If the Linux kernel is able to find the RTC in ACPI scope, you should
see the following lines in dmesg, where [n] is an enumerated number:
rx6110 i2c-RX6110SA:00: rtc core: registered RX6110SA:00 as rtc[n]
rtc rtc[n]: Update timer was detected
Change-Id: I9b319e3088e6511592075b055f8fa3e2aedaa209
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47235
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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Stefan thinks they don't add value.
Command used:
sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool)
The exceptions are for:
- crossgcc (patch file)
- gcov (imported from gcc)
- elf.h (imported from GNU's libc)
- nvramtool (more complicated header)
The removed lines are:
- fmt.Fprintln(f, "/* This file is part of the coreboot project. */")
-# This file is part of a set of unofficial pre-commit hooks available
-/* This file is part of coreboot */
-# This file is part of msrtool.
-/* This file is part of msrtool. */
- * This file is part of ncurses, designed to be appended after curses.h.in
-/* This file is part of pgtblgen. */
- * This file is part of the coreboot project.
- /* This file is part of the coreboot project. */
-# This file is part of the coreboot project.
-# This file is part of the coreboot project.
-## This file is part of the coreboot project.
--- This file is part of the coreboot project.
-/* This file is part of the coreboot project */
-/* This file is part of the coreboot project. */
-;## This file is part of the coreboot project.
-# This file is part of the coreboot project. It originated in the
- * This file is part of the coreinfo project.
-## This file is part of the coreinfo project.
- * This file is part of the depthcharge project.
-/* This file is part of the depthcharge project. */
-/* This file is part of the ectool project. */
- * This file is part of the GNU C Library.
- * This file is part of the libpayload project.
-## This file is part of the libpayload project.
-/* This file is part of the Linux kernel. */
-## This file is part of the superiotool project.
-/* This file is part of the superiotool project */
-/* This file is part of uio_usbdebug */
Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Done with sed and God Lines. Only done for C-like code for now.
Change-Id: I38eaffa391ed5971217ffad74a312b1641e431c9
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40051
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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As discussed on the mailing list and voted upon, the coreboot project
is going to move the majority of copyrights out of the headers and into
an AUTHORS file. This will happen a bit at a time, as we'll be unifying
license headers at the same time.
Updated Authors file is in a separate commit.
Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I1acea8c975d14904b7e486dc57a1a67480a6ee6e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36178
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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According to the datasheet the RTC needs a power rising slope of no more
than 100µs/V to ensure a correct power-on reset. If the mainboard that
hosts the RTC cannot guarantee this, a software reset sequence is needed
in the case where the battery was drained completely.
As the rising slope of the power supply depends on so many parameters
and is highly mainboard specific, refactor the initialization code to
perform a software reset every time a power loss event is recognized by
the RTC.
Change-Id: If64d672e51667523058041bd00e1e50ac047143d
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/20412
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
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The RTC RX6110SA has several configuration options which might be
interesting to set. To make this setup independent of the driver itself
but let it still be configurable on mainboard level, add more
configuration options to the chip driver.
Change-Id: I7f8b2aa7cd001a887f271be36f655e10e60e778b
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/20084
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
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This driver enables the usage of the external RTC chip RX6110 SA
(http://www5.epsondevice.com/en/products/i2c/rx6110sab.html) which is
connected to the I2C bus. The I2C address of this device is fixed. One
can change parameters in the device tree so that the used setup can be
adapted to match the configuration of the device on the mainboard.
Change-Id: I1290a10c2d5ad76a317c99c8b92a013309a605d6
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/19625
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
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