[openwrt/openwrt] ramips: define remapping-range for DAP-X1860

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch openwrt-22.03:
https://git.openwrt.org/deafcf91627921b2044b2e96de1067cdbaf23d31

commit deafcf91627921b2044b2e96de1067cdbaf23d31
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Thu Mar 30 03:51:08 2023 +0200

    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 at 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";