Linksys NSLU2: update kernel and system config

6 files changed, 49 insertions, 4 deletions

diff --git a/target/linux/config/Config.in.bus b/target/linux/config/Config.in.bus
index 45c79e1eb..54eddce4a 100644
--- a/target/linux/config/Config.in.bus
+++ b/target/linux/config/Config.in.bus
@@ -25,3 +25,9 @@ config ADK_LINUX_KERNEL_PCI_IMX6
 	default y if ADK_TARGET_SYSTEM_SOLIDRUN_IMX6  || \
 		ADK_TARGET_SYSTEM_PHYTEC_IMX6
 	default n
+
+config ADK_LINUX_KERNEL_PCI_IXP4XX
+	bool
+	depends on ADK_TARGET_SYSTEM_LINKSYS_NSLU2
+	default y if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
+	default n
diff --git a/target/linux/config/Config.in.flash b/target/linux/config/Config.in.flash
index effa41d58..38c5cf7b2 100644
--- a/target/linux/config/Config.in.flash
+++ b/target/linux/config/Config.in.flash
@@ -91,6 +91,22 @@ config ADK_LINUX_KERNEL_ETRAX_AXISFLASHMAP
 	depends on ADK_TARGET_SYSTEM_FOXBOARD_LX832
 	default y if ADK_TARGET_SYSTEM_FOXBOARD_LX832
 
+config ADK_LINUX_KERNEL_MTD_PHYSMAP_IXP4XX
+	bool "Linksys NSLU2 Flashmap driver"
+	select ADK_LINUX_KERNEL_BLOCK
+	select ADK_LINUX_KERNEL_MTD
+	select ADK_LINUX_KERNEL_MTD_PARTITIONS
+	select ADK_LINUX_KERNEL_MTD_CHAR
+	select ADK_LINUX_KERNEL_MTD_BLKDEVS
+	select ADK_LINUX_KERNEL_MTD_BLOCK
+	select ADK_LINUX_KERNEL_MTD_ROOTFS_ROOT_DEV
+	select ADK_LINUX_KERNEL_MTD_CFI
+	select ADK_LINUX_KERNEL_MTD_CFI_INTELEXT
+	select ADK_LINUX_KERNEL_MTD_PHYSMAP
+	select ADK_LINUX_KERNEL_MTD_PHYSMAP_OF
+	depends on ADK_TARGET_SYSTEM_LINKSYS_NSLU2
+	default y if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
+
 config ADK_LINUX_KERNEL_MTD_M25P80
 	bool "MTD M25P80 driver"
 	select ADK_LINUX_KERNEL_BLOCK
@@ -164,6 +180,7 @@ config ADK_TARGET_MTD_SIZE
 	depends on ADK_TARGET_SYSTEM_QEMU_MICROBLAZE_S3ADSP1800 \
 		|| ADK_TARGET_SYSTEM_QEMU_MICROBLAZE_ML605 \
 		|| ADK_TARGET_SYSTEM_QEMU_ARM_VEXPRESS_A9 \
+		|| ADK_TARGET_SYSTEM_LINKSYS_NSLU2 \
 		|| ADK_TARGET_SYSTEM_MIKROTIK_RB532
 	default "16777216" if ADK_TARGET_SYSTEM_QEMU_MICROBLAZE_S3ADSP1800
 	default "33554432" if ADK_TARGET_SYSTEM_QEMU_MICROBLAZE_ML605
diff --git a/target/linux/config/Config.in.fs b/target/linux/config/Config.in.fs
index 1bed25ee6..ee4a0204e 100644
--- a/target/linux/config/Config.in.fs
+++ b/target/linux/config/Config.in.fs
@@ -43,9 +43,6 @@ config ADK_LINUX_KERNEL_FAT_DEFAULT_IOCHARSET
 	string
 	default "iso8859-1"
 
-config ADK_LINUX_KERNEL_SQUASHFS_XZ
-	bool
-
 config ADK_LINUX_KERNEL_JFFS2_COMPRESSION_OPTIONS
 	bool
 
@@ -253,7 +250,6 @@ config ADK_LINUX_KERNEL_JFFS2_FS
 config ADK_LINUX_KERNEL_SQUASHFS
 	tristate "SquashFS filesystem"
 	select ADK_LINUX_KERNEL_MISC_FILESYSTEMS
-	select ADK_LINUX_KERNEL_SQUASHFS_XZ
 	help
 	  Squashfs compressed read-only filesystem
 
diff --git a/target/linux/config/Config.in.usb b/target/linux/config/Config.in.usb
index 157c2f222..e6e3351f6 100644
--- a/target/linux/config/Config.in.usb
+++ b/target/linux/config/Config.in.usb
@@ -78,6 +78,7 @@ config ADK_LINUX_KERNEL_USB
 	select ADK_LINUX_KERNEL_NLS
 	select ADK_LINUX_KERNEL_USB_SUPPORT
 	select ADK_LINUX_KERNEL_USB_ANNOUNCE_NEW_DEVICES
+	select ADK_LINUX_KERNEL_USB_PCI if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
 	default m if ADK_TARGET_SYSTEM_PCENGINES_APU
 	default m if ADK_TARGET_SYSTEM_PCENGINES_ALIX
 	default m if ADK_TARGET_SYSTEM_LEMOTE_YEELONG
@@ -88,6 +89,7 @@ config ADK_LINUX_KERNEL_USB
 	default y if ADK_TARGET_SYSTEM_SOLIDRUN_CLEARFOG
 	default y if ADK_TARGET_SYSTEM_ROCKPI4_PLUS
 	default y if ADK_TARGET_SYSTEM_RASPBERRY_PI5
+	default y if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
 	default n
 	help
 	  Universal Serial Bus (USB) is a specification for a serial bus
@@ -159,6 +161,7 @@ config ADK_LINUX_KERNEL_USB_EHCI_HCD
 	default y if ADK_TARGET_SYSTEM_SOLIDRUN_CLEARFOG
 	default y if ADK_TARGET_SYSTEM_ROCKPI4_PLUS
 	default y if ADK_TARGET_SYSTEM_RASPBERRY_PI5
+	default y if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
 	default n
 	help
 	  The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0
@@ -205,11 +208,13 @@ config ADK_LINUX_KERNEL_USB_OHCI_HCD
 	select ADK_LINUX_KERNEL_USB_OHCI_HCD_PCI if ADK_TARGET_SYSTEM_PCENGINES_ALIX
 	select ADK_LINUX_KERNEL_USB_OHCI_HCD_PCI if ADK_TARGET_SYSTEM_PCENGINES_APU
 	select ADK_LINUX_KERNEL_USB_OHCI_HCD_PCI if ADK_TARGET_SYSTEM_ROCKPI4_PLUS
+	select ADK_LINUX_KERNEL_USB_OHCI_HCD_PCI if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
 	default m if ADK_TARGET_SYSTEM_PCENGINES_APU
 	default m if ADK_TARGET_SYSTEM_PCENGINES_ALIX
 	default m if ADK_TARGET_SYSTEM_ACMESYSTEMS_FOXG20
 	default m if ADK_TARGET_SYSTEM_LEMOTE_YEELONG
 	default y if ADK_TARGET_SYSTEM_ROCKPI4_PLUS
+	default y if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
 	default n
 	help
 	  The Open Host Controller Interface (OHCI) is a standard for accessing
diff --git a/target/linux/config/Config.in.watchdog b/target/linux/config/Config.in.watchdog
index 59c60d94f..eaa07a65d 100644
--- a/target/linux/config/Config.in.watchdog
+++ b/target/linux/config/Config.in.watchdog
@@ -35,6 +35,15 @@ config ADK_LINUX_KERNEL_IMX2_WDT
 	help
 	  Watchdog driver for IMX6 boards.
 
+config ADK_LINUX_KERNEL_IXP4XX_WATCHDOG
+	bool "Hardware Watchdog for Linksys NSLU2"
+	select ADK_LINUX_KERNEL_WATCHDOG
+	depends on ADK_TARGET_SYSTEM_LINKSYS_NSLU2
+	default y if ADK_TARGET_SYSTEM_LINKSYS_NSLU2
+	default n
+	help
+	  Watchdog driver for Linksys NSLU2.
+
 config ADK_LINUX_KERNEL_SCx200_WDT
 	bool "Natsemi Hardware Watchdog" 
 	depends on ADK_TARGET_SYSTEM_PCENGINES_WRAP
diff --git a/target/linux/patches/6.6.82/linksys-nslu2.patch b/target/linux/patches/6.6.82/linksys-nslu2.patch
new file mode 100644
index 000000000..20958062e
--- /dev/null
+++ b/target/linux/patches/6.6.82/linksys-nslu2.patch
@@ -0,0 +1,12 @@
+diff -Nur linux-6.6.82.orig/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts linux-6.6.82/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
+--- linux-6.6.82.orig/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts	2025-03-09 09:55:04.000000000 +0100
++++ linux-6.6.82/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts	2025-04-08 19:11:26.464512676 +0200
+@@ -21,7 +21,7 @@
+ 	};
+ 
+ 	chosen {
+-		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
++		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock4 rootfstype=squashfs rootwait";
+ 		stdout-path = "uart0:115200n8";
+ 	};
+