From deafcf91627921b2044b2e96de1067cdbaf23d31 Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Thu, 30 Mar 2023 03:51:08 +0200
Subject: ramips: define remapping-range for DAP-X1860
Prevent the BBT translation layer from remapping the UBI used for
storing rootfs.
Explicitly define the number of blocks reserved for remapping.
Signed-off-by: David Bauer <mail@david-bauer.net>
(cherry picked from commit 076da59f17803e9412ef5e50988aff6c7e536292)
---
target/linux/ramips/dts/mt7621_dlink_dap-x1860-a1.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/target/linux/ramips/dts/mt7621_dlink_dap-x1860-a1.dts b/target/linux/ramips/dts/mt7621_dlink_dap-x1860-a1.dts
index edc1c6544c..1aa3f7c91b 100644
--- a/target/linux/ramips/dts/mt7621_dlink_dap-x1860-a1.dts
+++ b/target/linux/ramips/dts/mt7621_dlink_dap-x1860-a1.dts
@@ -94,6 +94,13 @@
status = "okay";
mediatek,nmbm;
+ /* rsvd = Remapping Range / NAND Erase-Size */
+ /* rsvd = 0x800000 / 0x20000 */
+ mediatek,bmt-max-reserved-blocks = <64>;
+ /* Remapping should include raw-nand we operate upon without UBI layer. */
+ /* This includes (at least) the kernel which has to be loaded by U-Boot.*/
+ mediatek,bmt-remap-range =
+ <0x0 0x980000>;
partitions {
compatible = "fixed-partitions";
--
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