ixp4xx: Bump to kernel v6.6

The IXP4xx is well supported upstream and can readily be
supported with kernel v6.6. To simplify things after the
DTS directory was renamed, switch to v6.6 only.

Bring in some outstanding patches.

Tested on the Gateworks GW2348-4.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

package/kernel/linux/modules/crypto.mk

@@ -411,7 +411,7 @@ define KernelPackage/crypto-hw-ixp4xx
   KCONFIG:= \
 	CONFIG_CRYPTO_HW=y \
 	CONFIG_CRYPTO_DEV_IXP4XX
-  FILES:=$(LINUX_DIR)/drivers/crypto/ixp4xx_crypto.ko
+  FILES:=$(LINUX_DIR)/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.ko
   AUTOLOAD:=$(call AutoProbe,ixp4xx_crypto)
   $(call AddDepends/crypto)
 endef

target/linux/ixp4xx/Makefile

@@ -11,7 +11,7 @@ FEATURES:=dt squashfs gpio
 CPU_TYPE:=xscale
 SUBTARGETS:=generic
 
-KERNEL_PATCHVER:=6.1
+KERNEL_PATCHVER:=6.6
 
 define Target/Description
 	Build firmware images for the IXP4xx XScale CPU

target/linux/ixp4xx/config-6.6

@@ -11,10 +11,10 @@ CONFIG_ARCH_MULTI_CPU_AUTO=y
 # CONFIG_ARCH_MULTI_V4T is not set
 CONFIG_ARCH_MULTI_V4_V5=y
 CONFIG_ARCH_MULTI_V5=y
-CONFIG_ARCH_NR_GPIO=0
 CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_STACKWALK=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_ARM=y
 CONFIG_ARM_APPENDED_DTB=y
@@ -30,6 +30,7 @@ CONFIG_AUTO_ZRELADDR=y
 CONFIG_BINFMT_FLAT_ARGVP_ENVP_ON_STACK=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_BLK_MQ_PCI=y
+CONFIG_BUFFER_HEAD=y
 CONFIG_CC_HAVE_STACKPROTECTOR_TLS=y
 CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough=5"
 CONFIG_CC_NO_ARRAY_BOUNDS=y
@@ -45,6 +46,7 @@ CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_CP15=y
 CONFIG_CPU_CP15_MMU=y
 CONFIG_CPU_ENDIAN_BE32=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPU_PABRT_LEGACY=y
 CONFIG_CPU_THUMB_CAPABLE=y
 CONFIG_CPU_TLB_V4WBI=y
@@ -60,9 +62,9 @@ CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_HW=y
 CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
 CONFIG_CRYPTO_LIB_DES=m
+CONFIG_CRYPTO_LIB_GF128MUL=y
 CONFIG_CRYPTO_LIB_SHA1=y
 CONFIG_CRYPTO_LIB_UTILS=y
-CONFIG_CRYPTO_RNG2=y
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_LL_INCLUDE="debug/8250.S"
@@ -82,10 +84,12 @@ CONFIG_FIX_EARLYCON_MEM=y
 CONFIG_FORCE_PCI=y
 CONFIG_FS_IOMAP=y
 CONFIG_FS_MBCACHE=y
+CONFIG_FUNCTION_ALIGNMENT=0
 CONFIG_FWNODE_MDIO=y
 CONFIG_FW_LOADER_PAGED_BUF=y
 CONFIG_FW_LOADER_SYSFS=y
-CONFIG_GCC11_NO_ARRAY_BOUNDS=y
+CONFIG_GCC10_NO_ARRAY_BOUNDS=y
+CONFIG_GCC_ASM_GOTO_OUTPUT_WORKAROUND=y
 CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_GENERIC_ATOMIC64=y
 CONFIG_GENERIC_BUG=y
@@ -108,13 +112,14 @@ CONFIG_GPIO_CDEV=y
 CONFIG_GPIO_GENERIC=y
 CONFIG_GPIO_GW_PLD=y
 CONFIG_GPIO_IXP4XX=y
+CONFIG_GRO_CELLS=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
 CONFIG_HAS_IOPORT_MAP=y
 CONFIG_HDLC=y
 CONFIG_HWMON=y
-CONFIG_HWMON_VID=y
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_IXP4XX=y
 CONFIG_HZ_FIXED=0
@@ -150,9 +155,9 @@ CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MDIO_BUS=y
 CONFIG_MDIO_DEVICE=y
 CONFIG_MDIO_DEVRES=y
-CONFIG_MEMFD_CREATE=y
 CONFIG_MFD_SYSCON=y
 CONFIG_MIGRATION=y
+CONFIG_MMU_LAZY_TLB_REFCOUNT=y
 CONFIG_MODULES_USE_ELF_REL=y
 CONFIG_MTD_CFI_ADV_OPTIONS=y
 # CONFIG_MTD_CFI_GEOMETRY is not set
@@ -165,13 +170,20 @@ CONFIG_MTD_SPLIT_FIRMWARE_NAME="linux"
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEED_KUSER_HELPERS=y
 CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NET_DEVLINK=y
 CONFIG_NET_DSA=y
 CONFIG_NET_DSA_MV88E6060=y
+CONFIG_NET_DSA_TAG_TRAILER=y
+CONFIG_NET_EGRESS=y
+CONFIG_NET_INGRESS=y
 CONFIG_NET_PTP_CLASSIFY=y
 CONFIG_NET_SELFTESTS=y
+CONFIG_NET_SWITCHDEV=y
 CONFIG_NET_VENDOR_XSCALE=y
+CONFIG_NET_XGRESS=y
 CONFIG_NLS=y
 CONFIG_NVMEM=y
+CONFIG_NVMEM_LAYOUTS=y
 CONFIG_NVMEM_SYSFS=y
 CONFIG_OF=y
 CONFIG_OF_ADDRESS=y
@@ -181,12 +193,13 @@ CONFIG_OF_GPIO=y
 CONFIG_OF_IRQ=y
 CONFIG_OF_KOBJ=y
 CONFIG_OF_MDIO=y
-# CONFIG_OLD_SIGACTION is not set
+CONFIG_OLD_SIGACTION=y
-# CONFIG_OLD_SIGSUSPEND3 is not set
+CONFIG_OLD_SIGSUSPEND3=y
 CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_PAGE_POOL=y
 CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
 CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
+CONFIG_PAHOLE_HAS_LANG_EXCLUDE=y
 CONFIG_PATA_IXP4XX_CF=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
@@ -195,6 +208,8 @@ CONFIG_PCI_IXP4XX=y
 CONFIG_PERF_USE_VMALLOC=y
 CONFIG_PGTABLE_LEVELS=2
 CONFIG_PHYLIB=y
+CONFIG_PHYLIB_LEDS=y
+CONFIG_PHYLINK=y
 CONFIG_POWER_RESET=y
 CONFIG_POWER_RESET_GPIO=y
 CONFIG_PREEMPT_NONE_BUILD=y
@@ -203,22 +218,17 @@ CONFIG_RANDSTRUCT_NONE=y
 CONFIG_RATIONAL=y
 CONFIG_REALTEK_PHY=y
 CONFIG_REGMAP=y
-CONFIG_REGMAP_I2C=y
 CONFIG_REGMAP_MMIO=y
-CONFIG_RUST_IS_AVAILABLE=y
 CONFIG_SCSI=y
 CONFIG_SCSI_COMMON=y
-# CONFIG_SERIAL_8250_EXAR is not set
+CONFIG_SERIAL_8250_FSL=y
-# CONFIG_SERIAL_8250_FSL is not set
-# CONFIG_SERIAL_8250_PCI is not set
-# CONFIG_SERIAL_8250_PERICOM is not set
 CONFIG_SERIAL_MCTRL_GPIO=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_SG_POOL=y
 CONFIG_SOFTIRQ_ON_OWN_STACK=y
 CONFIG_SPARSE_IRQ=y
 CONFIG_SPLIT_PTLOCK_CPUS=999999
-CONFIG_SRCU=y
+CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y
 CONFIG_SWPHY=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_THREAD_INFO_IN_TASK=y

target/linux/ixp4xx/image/Makefile

@@ -29,6 +29,7 @@ endef
 
 define Device/Default
 	PROFILES := Default
+	DEVICE_DTS_DIR = $$(DTS_DIR)/intel/ixp
 	KERNEL_DEPENDS = $$(wildcard $(DTS_DIR)/$$(DEVICE_DTS).dts)
 	KERNEL_NAME := zImage
 	KERNEL := kernel-bin | append-dtb

target/linux/ixp4xx/patches-6.6/0001-gpio-ixp4xx-Handle-clock-output-on-pin-14-and-15.patch

@@ -40,7 +40,7 @@ Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
  /**
   * struct ixp4xx_gpio - IXP4 GPIO state container
   * @dev: containing device for this instance
-@@ -203,6 +215,8 @@ static int ixp4xx_gpio_probe(struct plat
+@@ -202,6 +214,8 @@ static int ixp4xx_gpio_probe(struct plat
  	struct ixp4xx_gpio *g;
  	struct gpio_irq_chip *girq;
  	struct device_node *irq_parent;
@@ -49,7 +49,7 @@ Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
  	int ret;
  
  	g = devm_kzalloc(dev, sizeof(*g), GFP_KERNEL);
-@@ -233,7 +247,40 @@ static int ixp4xx_gpio_probe(struct plat
+@@ -231,7 +245,40 @@ static int ixp4xx_gpio_probe(struct plat
  	 */
  	if (of_machine_is_compatible("dlink,dsm-g600-a") ||
  	    of_machine_is_compatible("iom,nas-100d"))

target/linux/ixp4xx/patches-6.6/0003-ARM-dts-ixp4xx-Add-USRobotics-USR8200-device-tree.patch

@@ -1,33 +1,33 @@
-From 02693ffdb93bffcbe772bd91a399dabd123b8c19 Mon Sep 17 00:00:00 2001
+From a1490c1e8a12a8286c6a34c3d277a519066fc51e Mon Sep 17 00:00:00 2001
 From: Linus Walleij <linus.walleij@linaro.org>
-Date: Tue, 19 Sep 2023 16:02:15 +0200
+Date: Sat, 7 Oct 2023 14:32:40 +0200
-Subject: [PATCH 4/4] ARM: dts: ixp4xx: Add USRobotics USR8200 device tree
+Subject: [PATCH] ARM: dts: ixp4xx: Add USRobotics USR8200 device tree
 
 This is a USRobotics NAS/Firewall/router that has been supported
 by OpenWrt in the past. It had dedicated users so let's get it
 properly supported.
 
+Some debugging and fixing was provided by Howard Harte.
+
+Link: https://lore.kernel.org/r/20231007-ixp4xx-usr8200-v1-1-aded3d6ff6f1@linaro.org
 Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 ---
- arch/arm/boot/dts/Makefile                    |   3 +-
+ arch/arm/boot/dts/intel/ixp/Makefile          |   3 +-
- .../dts/intel-ixp42x-usrobotics-usr8200.dts   | 229 ++++++++++++++++++
+ .../ixp/intel-ixp42x-usrobotics-usr8200.dts   | 229 ++++++++++++++++++
  2 files changed, 231 insertions(+), 1 deletion(-)
- create mode 100644 arch/arm/boot/dts/intel-ixp42x-usrobotics-usr8200.dts
+ create mode 100644 arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
 
---- a/arch/arm/boot/dts/Makefile
+--- a/arch/arm/boot/dts/intel/ixp/Makefile
-+++ b/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/intel/ixp/Makefile
-@@ -292,7 +292,8 @@ dtb-$(CONFIG_ARCH_IXP4XX) += \
+@@ -16,4 +16,5 @@ dtb-$(CONFIG_ARCH_IXP4XX) += \
  	intel-ixp43x-gateworks-gw2358.dtb \
  	intel-ixp42x-netgear-wg302v1.dtb \
  	intel-ixp42x-arcom-vulcan.dtb \
 -	intel-ixp42x-gateway-7001.dtb
 +	intel-ixp42x-gateway-7001.dtb \
 +	intel-ixp42x-usrobotics-usr8200.dtb
- dtb-$(CONFIG_ARCH_KEYSTONE) += \
- 	keystone-k2hk-evm.dtb \
- 	keystone-k2l-evm.dtb \
 --- /dev/null
-+++ b/arch/arm/boot/dts/intel-ixp42x-usrobotics-usr8200.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
 @@ -0,0 +1,229 @@
 +// SPDX-License-Identifier: ISC
 +/*

target/linux/ixp4xx/patches-6.6/0004-ARM-dts-usr8200-Fix-phy-registers.patch

@@ -1,6 +1,6 @@
-From a1ab45966e5a21841af58742adf27725e523d303 Mon Sep 17 00:00:00 2001
+From 98f3b5f44b9ae86c4a80185b57149867472a2570 Mon Sep 17 00:00:00 2001
 From: Linus Walleij <linus.walleij@linaro.org>
-Date: Sat, 14 Oct 2023 19:53:24 +0200
+Date: Fri, 20 Oct 2023 15:11:41 +0200
 Subject: [PATCH] ARM: dts: usr8200: Fix phy registers
 
 The MV88E6060 switch has internal PHY registers at MDIO
@@ -8,12 +8,14 @@ addresses 0x00..0x04. Tie each port to the corresponding
 PHY.
 
 Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
+Link: https://lore.kernel.org/r/20231020-ixp4xx-usr8200-dtsfix-v1-1-3a8591dea259@linaro.org
+Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 ---
- .../dts/intel-ixp42x-usrobotics-usr8200.dts   | 22 +++++++++++++++++++
+ .../ixp/intel-ixp42x-usrobotics-usr8200.dts   | 22 +++++++++++++++++++
  1 file changed, 22 insertions(+)
 
---- a/arch/arm/boot/dts/intel-ixp42x-usrobotics-usr8200.dts
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
-+++ b/arch/arm/boot/dts/intel-ixp42x-usrobotics-usr8200.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
 @@ -165,6 +165,24 @@
  				#address-cells = <1>;
  				#size-cells = <0>;

target/linux/ixp4xx/patches-6.6/0005-ARM-dts-ixp4xx-nslu2-Enable-write-on-flash.patch

@@ -0,0 +1,25 @@
+From 89eccb6726d93c9c78997e91bd641b0e46bc3c5f Mon Sep 17 00:00:00 2001
+From: Linus Walleij <linus.walleij@linaro.org>
+Date: Fri, 8 Sep 2023 12:49:48 +0200
+Subject: [PATCH] ARM: dts: ixp4xx-nslu2: Enable write on flash
+
+To upgrade the firmware and similar, the flash needs write
+access.
+
+Link: https://lore.kernel.org/r/20230908-ixp4xx-dts-v1-1-98d36264ed6d@linaro.org
+Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
+---
+ arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
+@@ -101,6 +101,8 @@
+ 			flash@0,0 {
+ 				compatible = "intel,ixp4xx-flash", "cfi-flash";
+ 				bank-width = <2>;
++				/* Enable writes on the expansion bus */
++				intel,ixp4xx-eb-write-enable = <1>;
+ 				/*
+ 				 * 8 MB of Flash in 0x20000 byte blocks
+ 				 * mapped in at CS0.

target/linux/ixp4xx/patches-6.6/0006-ARM-dts-ixp4xx-Use-right-restart-keycode.patch

@@ -0,0 +1,62 @@
+From deb93908958e74dffbef1ce6a1cc2f82ac4f96ed Mon Sep 17 00:00:00 2001
+From: Linus Walleij <linus.walleij@linaro.org>
+Date: Fri, 8 Sep 2023 12:49:49 +0200
+Subject: [PATCH] ARM: dts: ixp4xx: Use right restart keycode
+
+The "reset" key on a few IXP4xx routers were sending KEY_ESC
+but what we want to send is KEY_RESTART which will make
+OpenWrt and similar userspace do a controlled reboot.
+
+Link: https://lore.kernel.org/r/20230908-ixp4xx-dts-v1-2-98d36264ed6d@linaro.org
+Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
+---
+ arch/arm/boot/dts/intel/ixp/intel-ixp42x-dlink-dsm-g600.dts | 2 +-
+ arch/arm/boot/dts/intel/ixp/intel-ixp42x-freecom-fsg-3.dts  | 2 +-
+ arch/arm/boot/dts/intel/ixp/intel-ixp42x-iomega-nas100d.dts | 2 +-
+ arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts  | 2 +-
+ 4 files changed, 4 insertions(+), 4 deletions(-)
+
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-dlink-dsm-g600.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-dlink-dsm-g600.dts
+@@ -57,7 +57,7 @@
+ 
+ 		button-reset {
+ 			wakeup-source;
+-			linux,code = <KEY_ESC>;
++			linux,code = <KEY_RESTART>;
+ 			label = "reset";
+ 			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+ 		};
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-freecom-fsg-3.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-freecom-fsg-3.dts
+@@ -44,7 +44,7 @@
+ 		};
+ 		button-reset {
+ 			wakeup-source;
+-			linux,code = <KEY_ESC>;
++			linux,code = <KEY_RESTART>;
+ 			label = "reset";
+ 			gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+ 		};
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-iomega-nas100d.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-iomega-nas100d.dts
+@@ -63,7 +63,7 @@
+ 		};
+ 		button-reset {
+ 			wakeup-source;
+-			linux,code = <KEY_ESC>;
++			linux,code = <KEY_RESTART>;
+ 			label = "reset";
+ 			gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
+ 		};
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
+@@ -65,7 +65,7 @@
+ 		};
+ 		button-reset {
+ 			wakeup-source;
+-			linux,code = <KEY_ESC>;
++			linux,code = <KEY_RESTART>;
+ 			label = "reset";
+ 			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+ 		};

target/linux/ixp4xx/patches-6.6/301-ARM-dts-ixp4xx-Boot-NSLU2-from-harddrive.patch

@@ -1,4 +1,4 @@
-From 2792791a19f90b0141ed2e781599ba0a42a8cfd5 Mon Sep 17 00:00:00 2001
+From 6484f966af53447deefcd4b805c201d8624981cb Mon Sep 17 00:00:00 2001
 From: Linus Walleij <linus.walleij@linaro.org>
 Date: Mon, 29 May 2023 23:32:44 +0200
 Subject: [PATCH] ARM: dts: ixp4xx: Boot NSLU2 from harddrive
@@ -8,11 +8,11 @@ to hold any rootfs these days.
 
 Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 ---
- arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts | 2 +-
+ arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
---- a/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
+--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
-+++ b/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
++++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
 @@ -21,7 +21,7 @@
  	};