| Message ID | 20200922184544.2920969-1-sjg@chromium.org |
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[73.14.175.90]) by smtp.gmail.com with ESMTPSA id q24sm7622663oij.19.2020.09.22.11.46.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2020 11:46:22 -0700 (PDT) From: Simon Glass <sjg@chromium.org> To: U-Boot Mailing List <u-boot@lists.denx.de> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Wolfgang Wallner <wolfgang.wallner@br-automation.com>, Bin Meng <bmeng.cn@gmail.com>, Bernhard Messerklinger <bernhard.messerklinger@br-automation.com>, Simon Glass <sjg@chromium.org>, Heiko Schocher <hs@denx.de>, Marek Vasut <marex@denx.de>, Pavel Herrmann <morpheus.ibis@gmail.com> Subject: [PATCH v4 00/59] dm: Add programatic generation of ACPI tables (part D) Date: Tue, 22 Sep 2020 12:44:45 -0600 Message-Id: <20200922184544.2920969-1-sjg@chromium.org> X-Mailer: git-send-email 2.28.0.681.g6f77f65b4e-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <https://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean |
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dm: Add programatic generation of ACPI tables (part D)
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On Wed, Sep 23, 2020 at 2:46 AM Simon Glass <sjg@chromium.org> wrote: > > Note: This is part D of this effort. With this, Coral includes all > required ACPI tables. > > At present on x86 U-Boot supports creating ACPI (Advanced Configuration > and Power Interface) tables using the Intel ACPI Source Language (ASL) > compiler. > > This is good enough for basic operation but some devices need to add > their information dynamically at runtime. An example is a device that > needs to report its enable GPIO. This is described in the device tree, > so we want to add code in the driver to convert that device-tree > description into an ACPI description for use on Linux. > > This series adds support for generation of ACPI tables and fragments by > devices. The core support is built into driver model. > > Several files are brought over from coreboot to do the actual generation. > > As an example of using this new feature, chromebook_coral is updated to > write out a wide array of ACPI tables including DSDT and SSDT. > > This initial version of the series lays out the general approach. More > work is needed to figure out the difference between CONFIG_ACPIGEN and > CONFIG_GENERATE_ACPI_TABLE with respect to what is built. > > Changes in v4: > - Add Andy's documentation to struct acpi_gpio > - Add logging when writinge NHLT > - Add new patch to use I2cSerialBusV2() instead of I2cSerialBus() > - Change table version to 3 > - Correct DPTF enable property > - Correct comment for dm_test_acpi_write_prw() > - Correct compatible string for gma device > Drop extra acpi_align() in apl_acpi_hb_write_tables() v4 has been applied to u-boot-x86/next, thanks!