diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2023-04-19 08:58:58 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-04-19 08:58:58 +0200 |
| commit | c46996d29b49b9d7fc33aa4ae59ea90596da068f (patch) | |
| tree | a6cd5e98fbb2a6e47061cb3071fb4a4b083373f4 /Documentation/boards | |
| parent | dc4f31b6c0d121402aead43cb7c13121ad9a3d9d (diff) | |
| parent | c20cf77b26f230d40aef3f086f305dfc35a01a9e (diff) | |
| download | barebox-c46996d29b49b9d7fc33aa4ae59ea90596da068f.tar.gz barebox-c46996d29b49b9d7fc33aa4ae59ea90596da068f.tar.xz | |
Merge branch 'for-next/imx-image'
Diffstat (limited to 'Documentation/boards')
| -rw-r--r-- | Documentation/boards/imx/nxp-imx8mm-evk.rst | 11 | ||||
| -rw-r--r-- | Documentation/boards/imx/nxp-imx8mn-evk.rst | 12 | ||||
| -rw-r--r-- | Documentation/boards/imx/nxp-imx8mp-evk.rst | 12 |
3 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/boards/imx/nxp-imx8mm-evk.rst b/Documentation/boards/imx/nxp-imx8mm-evk.rst index f0dfc53ed0..aa70419139 100644 --- a/Documentation/boards/imx/nxp-imx8mm-evk.rst +++ b/Documentation/boards/imx/nxp-imx8mm-evk.rst @@ -85,5 +85,16 @@ installation to the eMMC boot partition requires special handling: then afterwards, the newly written boot partition is activated (This is controlled by the barebox ``mmcX.boot`` variable). +The following steps are required to write the image to the QSPI NOR flash: + + - The 32KiB preamble MMC preamble must be stripped. + + - The QSPI NOR partition ``barebox`` must be erased before the stripped + image is written. The erase size depends on the stripped image size but + always start at offset 0. + + - Write the stripped barebox image to the QSPI NOR partition ``barebox`` + at offset 0. + The ``barebox_update`` command takes care of this and need just be supplied a barebox image as argument. diff --git a/Documentation/boards/imx/nxp-imx8mn-evk.rst b/Documentation/boards/imx/nxp-imx8mn-evk.rst index 177fc59c10..597db57eaf 100644 --- a/Documentation/boards/imx/nxp-imx8mn-evk.rst +++ b/Documentation/boards/imx/nxp-imx8mn-evk.rst @@ -80,5 +80,17 @@ installation to the eMMC boot partition requires special handling: start at an offset when booting from eMMC boot partitions, thus the first 32KiB must be stripped. +The following steps are required to write the image to the QSPI NOR flash: + + - Strip the 32KiB preamble, like it is done for the eMMC boot partition case + (see above). + + - The QSPI NOR partition ``barebox`` must be erased before the stripped + image is written. The erase size depends on the stripped image size but + always start at offset 0. + + - Write the stripped barebox image to the QSPI NOR partition ``barebox`` + at offset 0. + The ``barebox_update`` command takes care of this and need just be supplied a barebox image as argument. diff --git a/Documentation/boards/imx/nxp-imx8mp-evk.rst b/Documentation/boards/imx/nxp-imx8mp-evk.rst index 53cdd904ab..cfd1153e15 100644 --- a/Documentation/boards/imx/nxp-imx8mp-evk.rst +++ b/Documentation/boards/imx/nxp-imx8mp-evk.rst @@ -88,5 +88,17 @@ installation to the eMMC boot partition requires special handling: start at an offset when booting from eMMC boot partitions, thus the first 32KiB must be stripped. +The following steps are required to write the image to the QSPI NOR flash: + + - Strip the 32KiB preamble, like it is done for the eMMC boot partition case + (see above). + + - The QSPI NOR partition ``barebox`` must be erased before the stripped + image is written. The erase size depends on the stripped image size but + always start at offset 0. + + - Write the stripped barebox image to the QSPI NOR partition ``barebox`` + at offset 0. + The ``barebox_update`` command takes care of this and need just be supplied a barebox image as argument. |