From 15838158478518da41709113b0465c70ad49cc32 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 13 Nov 2018 14:43:08 -0800
Subject: docs: Add more info on generating initramfs images

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 docs/extra-build-config.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/extra-build-config.md b/docs/extra-build-config.md
index 85f3734..732c102 100644
--- a/docs/extra-build-config.md
+++ b/docs/extra-build-config.md
@@ -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
 
-- 
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