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Arrow Lake Platforms

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Note

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15th Generation Intel® Core™ Processor, formally known as Arrow Lake family.

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Supported Boards

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SBL supports various platforms corresponding to Arrow Lake-H , Arrow Lake-U and Arrow Lake-S.

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Each Arrow Lake board is assigned with a unique platform ID.

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Board

Platform ID

SPI Programmer

UART

PLAT

ARL-H/U DDR5 RVP

0x0018

J1G2

J9B2

arlh / arlu

ARL-H/U DDR5 CRB

0x001A

J3H2

J7A1

arlh / arlu

ARL-H/U LPDDR5

0x0019

J1G2

J9B2

arlh / arlu

ARL-S DDR5 RVP S02

0x0017

J2B4

J6J3

arls

ARL-S DDR5 RVP S03

0x0016

J122198

J6J3

arls

ARL-S DDR5 RVP S04

0x0015

Flash on SPI Socket

J6J3

arls

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Debug UART

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For Arrow Lake platforms, serial port connector location can be found from the above table for each supported target board.

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Note

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Configure host PuTTY or minicom to 115200bps, 8N1, no hardware flow control.

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Building

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To build SBL for any Arrow Lake platform:

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python BuildLoader.py build <PLAT>
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+<PLAT> = arlh / arlu / arls
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Note: The output images are generated under Outputs directory.

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Stitching

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  1. Gather Arrow Lake IFWI firmware image

    2. +
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Users can either download the full IFWI image if the IFWI image release is available or read the existing IFWI image on the board using SPI programmer. +This image contains additional firmware ingredients that are required boot on Arrow Lake.

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Note

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StitchLoader.py currently does not support stitching with boot guard feature enabled. +To stitch with Boot Guard enabled, please use StitchIfwi.py.

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  1. Stitch SBL images into downloaded BIOS image:

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    python Platform/ArrowlakeBoardPkg/Script/StitchLoader.py -i <BIOS_IMAGE_NAME> -s Outputs/<plat>/SlimBootloader.bin -o <SBL_IFWI_IMAGE_NAME>
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    +
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    2. +
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where -i = Input file, -o = Output file, plat = arlh, arlu or arls

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For example, to stitch SBL IFWI image sbl_arlh_ifwi.bin from ARL-H downloaded firmware images:

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python Platform/ArrowlakeBoardPkg/Script/StitchLoader.py -i xxxx.bin -s Outputs/arlh/SlimBootloader.bin -o sbl_arlh_ifwi.bin
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For more details on stitch tool, see Stitch Tool on how to stitch the IFWI image with SBL.

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Flashing

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Flash the generated sbl_arlh_ifwi.bin to the target board using a DediProg SF100 or SF600 programmer.

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Note

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Refer the table above to identify the connector on the target board for SPI flash programmer. When using such device, please ensure:

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  1. The alignment/polarity when connecting Dediprog to the board.

    2. +

  2. The power to the board is turned off while the programmer is connected (even when not in use).

    3. +

  3. The programmer is set to update the flash from offset 0x0.

    4. +
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Capsule image for Arrow Lake

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The Slimbootloader.bin image generated from the build steps above can be used to create a capsule image. +Please refer to Build Tool on generating SBL image.

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For all Arrow Lake platforms, the below command can be used:

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python ./BootloaderCorePkg/Tools/GenCapsuleFirmware.py -p BIOS Outputs/<plat>/SlimBootloader.bin -k <Keys> -o FwuImage.bin
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For more details on generating capsule image, please refer Generating capsule.

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Triggering Firmware Update

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SBL for Arrow Lake uses BIT16 of PMC I/O register (Over-Clocking WDT Control (OC_WDT_CTL) - Offset 54h) to trigger firmware update. When BIT16 is set, SBL will set the boot mode to FLASH_UPDATE. +Please refer to Firmware Update on how to trigger firmware update flow. +Below is an example:

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To trigger firmware update in SBL shell:

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    +

  1. Copy FwuImage.bin into root directory on FAT partition of a USB key

    2. +

  2. Boot and press any key to enter SBL shell

    3. +

  3. Type command fwupdate from shell

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    SBL will reset the platform and initiate firmware update flow. The platform will reset multiple times to complete the update process.

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    A sample boot messages from console:

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    Shell> fwupdate
+...
+============= Intel Slim Bootloader STAGE1A =============
+...
+============= Intel Slim Bootloader STAGE1B =============
+...
+BOOT: BP0
+MODE: 18
+...
+============= Intel Slim Bootloader STAGE2 =============
+...
+Jump to payload
+...
+Starting Firmware Update
+...
+=================Read Capsule Image==============
+...
+................
+Finished     1%
+...
+Finished    99%
+...
+...
+
+Reset required to proceed with the firmware update.
+
+============= Intel Slim Bootloader STAGE1A =============
+...
+============= Intel Slim Bootloader STAGE1B =============
+...
+BOOT: BP1
+MODE: 18
+...
+============= Intel Slim Bootloader STAGE2 =============
+...
+=================Read Capsule Image==============
+...
+................
+Finished     1%
+...
+Finished    99%
+Updating 0x002B1000, Size:0x0A000
+...............
+Finished   100%
+Set next FWU state: 0x7C
+Firmware Update status updated to reserved region
+Set next FWU state: 0x77
+Reset required to proceed with the firmware update.
+...
+==================== OS Loader ====================
+
+Starting Kernel ...
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    4. +
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Booting Yocto Linux

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You may need to change boot options to boot from USB. See Change Boot Options.

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  1. Download Yocto Linux

    2. +

  2. Create bootable USB key. For example: In Windows, Rufus can be used. In Linux, etcher app can be used.

    3. +

  3. Boot the bootable OS image from USB key on the board.

    4. +
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See Platform ID Detection using GPIOs for more details.

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To customize board configurations in *.dlt file, make sure to specify PlatformId to the corresponding values for the board.

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See Configuration Tools for more details.

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