arm-bsp/n1sdp: Downgrade to 6.1 linux yocto kernel

Since linux yocto kernel 6.5 is EOL and other layers like
meta-virtualization dropping support for it, it would be
sensible to downgrade the kernel to 6.1 which is a LTS.

This is a temporary change and later we would move to 6.6 when its
officially supported on N1SDP.

This revert the following commits:
* 1fe76c893c
* 21df60b921

Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/conf/machine/n1sdp.conf

@@ -19,7 +19,7 @@ WKS_FILE_DEPENDS:append = " ${EXTRA_IMAGEDEPENDS}"
 
 # Use kernel provided by yocto
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
-PREFERRED_VERSION_linux-yocto ?= "6.5%"
+PREFERRED_VERSION_linux-yocto ?= "6.1%"
 
 # RTL8168E Gigabit Ethernet Controller is attached to the PCIe interface
 MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "linux-firmware-rtl8168"

meta-arm-bsp/recipes-kernel/linux/linux-arm-platforms.inc

@@ -67,7 +67,7 @@ COMPATIBLE_MACHINE:musca-s1 = "(^$)"
 #
 # N1SDP KMACHINE
 #
-FILESEXTRAPATHS:prepend:n1sdp := "${THISDIR}/linux-yocto-6.5/n1sdp:"
+FILESEXTRAPATHS:prepend:n1sdp := "${THISDIR}/linux-yocto-6.1/n1sdp:"
 COMPATIBLE_MACHINE:n1sdp = "n1sdp"
 KBUILD_DEFCONFIG:n1sdp = "defconfig"
 KCONFIG_MODE:n1sdp = "--alldefconfig"

meta-arm-bsp/recipes-kernel/linux/linux-yocto-6.1/n1sdp/0001-iommu-arm-smmu-v3-workaround-for-ATC_INV_SIZE_ALL-in.patch

@@ -1,4 +1,4 @@
-From 63da10da7a57776196a3c323e93ef66f1d553c0c Mon Sep 17 00:00:00 2001
+From 32ae4539865e64bcfb0c6955bdac8db5904e493d Mon Sep 17 00:00:00 2001
 From: Manoj Kumar <manoj.kumar3@arm.com>
 Date: Mon, 1 Feb 2021 21:36:43 +0530
 Subject: [PATCH] iommu/arm-smmu-v3: workaround for ATC_INV_SIZE_ALL in N1SDP
@@ -9,9 +9,11 @@ N1SDP platform. This workaround manually sets the ATS address
 field to proper value for ATC_INV_SIZE_ALL command.
 
 Change-Id: If89465be94720a62be85e1e6612f17e93fa9b8a5
-Upstream-Status: Inappropriate [Workaround]
 Signed-off-by: Manoj Kumar <manoj.kumar3@arm.com>
 Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@arm.com>
+
+Upstream-Status: Inappropriate [Workaround]
+Signed-off-by: Manoj Kumar <manoj.kumar3@arm.com>
 Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
 Signed-off-by: Adam Johnston <adam.johnston@arm.com>
 ---
@@ -20,10 +22,10 @@ Signed-off-by: Adam Johnston <adam.johnston@arm.com>
  2 files changed, 2 insertions(+)
 
 diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
-index 6ccbae9b93a1..5387f152fb07 100644
+index d4d8bfee9feb..0524bf2ec021 100644
 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
 +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
-@@ -1753,6 +1753,7 @@ arm_smmu_atc_inv_to_cmd(int ssid, unsigned long iova, size_t size,
+@@ -1738,6 +1738,7 @@ arm_smmu_atc_inv_to_cmd(int ssid, unsigned long iova, size_t size,
  	};
  
  	if (!size) {
@@ -32,10 +34,10 @@ index 6ccbae9b93a1..5387f152fb07 100644
  		return;
  	}
 diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
-index dcab85698a4e..12e12d03eebf 100644
+index cd48590ada30..20892b2bfe1d 100644
 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
 +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
-@@ -478,6 +478,7 @@ struct arm_smmu_cmdq_ent {
+@@ -472,6 +472,7 @@ struct arm_smmu_cmdq_ent {
  
  		#define CMDQ_OP_ATC_INV		0x40
  		#define ATC_INV_SIZE_ALL	52

meta-arm-bsp/recipes-kernel/linux/linux-yocto-6.1/n1sdp/0002-n1sdp-pci_quirk-add-acs-override-for-PCI-devices.patch

@@ -1,4 +1,4 @@
-From 7d24cc041cbcff07b21a9a380426b38e09149648 Mon Sep 17 00:00:00 2001
+From fc8605e74b51d9e0ab8efd0489eca2e11d807f07 Mon Sep 17 00:00:00 2001
 From: Manoj Kumar <manoj.kumar3@arm.com>
 Date: Tue, 31 Aug 2021 16:15:38 +0000
 Subject: [PATCH] n1sdp: pci_quirk: add acs override for PCI devices
@@ -7,8 +7,9 @@ Patch taken from:
 https://gitlab.com/Queuecumber/linux-acs-override/raw/master/workspaces/5.4/acso.patch
 
 Change-Id: Ib926bf50524ce9990fbaa2f2f8670fe84bd571f9
-Upstream-Status: Inappropriate [will not be submitted as its a workaround to address hardware issue]
 Signed-off-by: Manoj Kumar <manoj.kumar3@arm.com>
+
+Upstream-Status: Inappropriate [will not be submitted as its a workaround to address hardware issue]
 Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@arm.com>
 Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
 Signed-off-by: Adam Johnston <adam.johnston@arm.com>
@@ -18,10 +19,10 @@ Signed-off-by: Adam Johnston <adam.johnston@arm.com>
  2 files changed, 110 insertions(+)
 
 diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
-index 23ebe34ff901..054b6e6d22f3 100644
+index 963cdaecabcb..8e94af513b9f 100644
 --- a/Documentation/admin-guide/kernel-parameters.txt
 +++ b/Documentation/admin-guide/kernel-parameters.txt
-@@ -4271,6 +4271,14 @@
+@@ -4162,6 +4162,14 @@
  		nomsi		[MSI] If the PCI_MSI kernel config parameter is
  				enabled, this kernel boot option can be used to
  				disable the use of MSI interrupts system-wide.
@@ -37,10 +38,10 @@ index 23ebe34ff901..054b6e6d22f3 100644
  				Safety option to keep boot IRQs enabled. This
  				should never be necessary.
 diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
-index 321156ca273d..1144c3a8a3bb 100644
+index 285acc4aaccc..d6ebef1f30db 100644
 --- a/drivers/pci/quirks.c
 +++ b/drivers/pci/quirks.c
-@@ -3718,6 +3718,107 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
+@@ -3612,6 +3612,107 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
  	dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET;
  }
  
@@ -148,7 +149,7 @@ index 321156ca273d..1144c3a8a3bb 100644
  /*
   * Some NVIDIA GPU devices do not work with bus reset, SBR needs to be
   * prevented for those affected devices.
-@@ -5112,6 +5213,7 @@ static const struct pci_dev_acs_enabled {
+@@ -4980,6 +5081,7 @@ static const struct pci_dev_acs_enabled {
  	{ PCI_VENDOR_ID_ZHAOXIN, PCI_ANY_ID, pci_quirk_zhaoxin_pcie_ports_acs },
  	/* Wangxun nics */
  	{ PCI_VENDOR_ID_WANGXUN, PCI_ANY_ID, pci_quirk_wangxun_nic_acs },

meta-arm-bsp/recipes-kernel/linux/linux-yocto-6.1/n1sdp/0003-pcie-Add-quirk-for-the-Arm-Neoverse-N1SDP-platform.patch

@@ -1,4 +1,4 @@
-From 51879bfe6b0850b3746df9f9471120a6709807cb Mon Sep 17 00:00:00 2001
+From 5aa5769af625c79589fd84b8afc06149c2362218 Mon Sep 17 00:00:00 2001
 From: Deepak Pandey <Deepak.Pandey@arm.com>
 Date: Fri, 31 May 2019 16:42:43 +0100
 Subject: [PATCH] pcie: Add quirk for the Arm Neoverse N1SDP platform
@@ -24,6 +24,7 @@ Signed-off-by: Deepak Pandey <Deepak.Pandey@arm.com>
 Signed-off-by: Sudipto Paul <sudipto.paul@arm.com>
 [Andre: fix coding style issues, rewrite some parts, add DT support]
 Signed-off-by: Andre Przywara <andre.przywara@arm.com>
+
 Change-Id: I1d3a4b9bf6b3b883d262e3c4ff1f88a0eb81c1fe
 Upstream-Status: Inappropriate [will not be submitted as its a workaround to address hardware issue]
 Signed-off-by: Deepak Pandey <Deepak.Pandey@arm.com>
@@ -40,10 +41,10 @@ Signed-off-by: Adam Johnston <adam.johnston@arm.com>
  create mode 100644 drivers/pci/controller/pcie-n1sdp.c
 
 diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
-index 02adc6ceb831..398a5429a8e2 100644
+index bbbc31391a65..973aa3b4d407 100644
 --- a/arch/arm64/configs/defconfig
 +++ b/arch/arm64/configs/defconfig
-@@ -207,6 +207,7 @@ CONFIG_NFC_S3FWRN5_I2C=m
+@@ -214,6 +214,7 @@ CONFIG_NFC_S3FWRN5_I2C=m
  CONFIG_PCI=y
  CONFIG_PCIEPORTBUS=y
  CONFIG_PCIEAER=y
@@ -70,12 +71,12 @@ index 860014b89b8e..2d4c1c699ffe 100644
  
  #ifdef CONFIG_LOONGARCH
 diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
-index 0859be86e718..c51b89781472 100644
+index bfd9bac37e24..7a65799dded7 100644
 --- a/drivers/pci/controller/Kconfig
 +++ b/drivers/pci/controller/Kconfig
-@@ -21,6 +21,17 @@ config PCIE_ALTERA
+@@ -50,6 +50,17 @@ config PCI_IXP4XX
- 	  Say Y here if you want to enable PCIe controller support on Altera
+ 	  Say Y here if you want support for the PCI host controller found
- 	  FPGA.
+ 	  in the Intel IXP4xx XScale-based network processor SoC.
  
 +config PCIE_HOST_N1SDP_ECAM
 +	bool "ARM N1SDP PCIe Controller"
@@ -88,9 +89,9 @@ index 0859be86e718..c51b89781472 100644
 +	  The controller is ECAM compliant, but needs a quirk to workaround
 +	  an integration issue.
 +
- config PCIE_ALTERA_MSI
+ config PCI_TEGRA
- 	tristate "Altera PCIe MSI feature"
+ 	bool "NVIDIA Tegra PCIe controller"
- 	depends on PCIE_ALTERA
+ 	depends on ARCH_TEGRA || COMPILE_TEST
 diff --git a/drivers/pci/controller/Makefile b/drivers/pci/controller/Makefile
 index 37c8663de7fe..08e5afcf6e86 100644
 --- a/drivers/pci/controller/Makefile

meta-arm-bsp/recipes-kernel/linux/linux-yocto-6.1/n1sdp/0004-n1sdp-pcie-add-quirk-support-enabling-remote-chip-PC.patch

@@ -1,4 +1,4 @@
-From aa7c785aff4276aa8579a54f39347cd47eb48ebb Mon Sep 17 00:00:00 2001
+From b59e0d6c6035db80fc9044df0333f96ede53ad7a Mon Sep 17 00:00:00 2001
 From: Sayanta Pattanayak <sayanta.pattanayak@arm.com>
 Date: Wed, 9 Feb 2022 20:37:43 +0530
 Subject: [PATCH] n1sdp: pcie: add quirk support enabling remote chip PCIe

meta-arm-bsp/recipes-kernel/linux/linux-yocto-6.1/n1sdp/0005-arm64-kpti-Whitelist-early-Arm-Neoverse-N1-revisions.patch

@@ -1,4 +1,4 @@
-From a9df434f077e7f1d8895e76381ba7179f3ebb1ba Mon Sep 17 00:00:00 2001
+From ff02f77788f8c01e9d675912c063e89415804b7d Mon Sep 17 00:00:00 2001
 From: Andre Przywara <andre.przywara@arm.com>
 Date: Fri, 17 May 2019 17:39:27 +0100
 Subject: [PATCH] arm64: kpti: Whitelist early Arm Neoverse N1 revisions
@@ -20,10 +20,10 @@ Signed-off-by: Adam Johnston <adam.johnston@arm.com>
  1 file changed, 1 insertion(+)
 
 diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
-index 2c0b8444fea6..5c0ff40c6c8b 100644
+index b3f37e2209ad..b74210f38cd8 100644
 --- a/arch/arm64/kernel/cpufeature.c
 +++ b/arch/arm64/kernel/cpufeature.c
-@@ -1690,6 +1690,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
+@@ -1646,6 +1646,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
  		MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_2XX_SILVER),
  		MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER),
  		MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER),

meta-arm-bsp/recipes-kernel/linux/linux-yocto-6.1/n1sdp/0006-arm64-defconfig-disable-config-options-that-does-not.patch

@@ -1,4 +1,4 @@
-From d59c5c17d3345f923d66fc85a7681fc6c4fd657d Mon Sep 17 00:00:00 2001
+From 330a620b5c73505e62a2e0accc155fbc78859cee Mon Sep 17 00:00:00 2001
 From: Vishnu Banavath <vishnu.banavath@arm.com>
 Date: Wed, 21 Sep 2022 15:54:14 +0100
 Subject: [PATCH] arm64: defconfig: disable config options that does not apply
@@ -6,8 +6,6 @@ Subject: [PATCH] arm64: defconfig: disable config options that does not apply
 
 Following config options should be not set to be more accurate and
 works with build system like yocto
-CONFIG_BT_HCIBTUSB
-CONFIG_BT_HCIBTUSB_MTK
 CONFIG_BT_HCIUART_MRVL
 CONFIG_BT_MRVL
 CONFIG_BT_MRVL_SDIO
@@ -16,24 +14,15 @@ CONFIG_BT_QCOMSMD
 Upstream-Status: Pending [not submitted upstream yet]
 Signed-off-by: Adam Johnston <adam.johnston@arm.com>
 Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
-Signed-off-by: Xueliang Zhong <xueliang.zhong@arm.com>
 ---
- arch/arm64/configs/defconfig | 12 ++++++------
+ arch/arm64/configs/defconfig | 8 ++++----
- 1 file changed, 6 insertions(+), 6 deletions(-)
+ 1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
-index cd73d1704dd2..958a43bd00e6 100644
+index 973aa3b4d407..61f040394a2d 100644
 --- a/arch/arm64/configs/defconfig
 +++ b/arch/arm64/configs/defconfig
-@@ -181,16 +181,16 @@ CONFIG_BT_HIDP=m
+@@ -198,10 +198,10 @@ CONFIG_BT_HCIUART=m
- # CONFIG_BT_LE is not set
- CONFIG_BT_LEDS=y
- # CONFIG_BT_DEBUGFS is not set
--CONFIG_BT_HCIBTUSB=m
--CONFIG_BT_HCIBTUSB_MTK=y
-+# CONFIG_BT_HCIBTUSB is not set
-+# CONFIG_BT_HCIBTUSB_MTK is not set
- CONFIG_BT_HCIUART=m
  CONFIG_BT_HCIUART_LL=y
  CONFIG_BT_HCIUART_BCM=y
  CONFIG_BT_HCIUART_QCA=y