--- zzzz-none-000/linux-5.4.213/drivers/mtd/maps/Kconfig	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/drivers/mtd/maps/Kconfig	2024-08-14 09:02:07.000000000 +0000
@@ -401,4 +401,24 @@
 
 	  When built as a module, it will be called pismo.ko
 
+config MTD_AVM_MTDRAM
+	bool "AVM mtdram driver"
+	select MTD_RAM
+	help
+	  This enables the AVM mtdram driver.
+
+	  This understands the commandline parameters mtdram1=<start>,<end> and
+	  mtdram=<name>,<start>,<end>. The former will provide an mtd device
+	  "update-image.0" which is backed by the phsyical mem area
+	  <start>-<end>. the latter will do the same but will use <name> as
+	  name.
+
+config MTD_AVM_MTDRAM_KSEG0
+	bool "Assume that mtdram-addresses are kseg0-addresses instead of physical"
+	depends on MTD_AVM_MTDRAM
+	depends on MIPS
+	help
+	  Select this if the urlader provides KSEG0-addresses in the mtdram1-cmdline argument.
+	  Otherwise, these are assumed to be physical addresses.
+
 endmenu