docs: Add more info on generating initramfs images

Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Khem Raj 2018-11-13 14:43:08 -08:00 committed by Andrei Gherzan
parent b589574d9e
commit 1583815847

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@ -167,6 +167,9 @@ To build an initramfs image:
* Set the yocto variables (e.g. in local.conf)
- `INITRAMFS_IMAGE = "<name for your initramfs image>"`
- `INITRAMFS_IMAGE_BUNDLE = "1"`
- `BOOT_SPACE = "1073741"`
- `INITRAMFS_MAXSIZE = "315400"`
- `IMAGE_FSTYPES_pn-${INITRAMFS_IMAGE} = "${INITRAMFS_FSTYPES}"`
## Enable SPI bus