Install some packages:
sudo apt-get install build-essential git gcc-aarch64-linux-gnu
Get the kernel source:
git clone http://git.baserock.org/git/delta/linux.git
cd linux
Now apply some patches:
Patch 1:
From a9581fb963fbcdc5d39aae4414b6cb71bf6529dd Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob.mottram@codethink.co.uk>
Date: Tue, 10 Feb 2015 10:06:39 +0000
Subject: [PATCH 1/2] Arm64: Add big endian configuration
---
arch/arm64/configs/be_defconfig | 168 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 168 insertions(+)
create mode 100644 arch/arm64/configs/be_defconfig
diff --git a/arch/arm64/configs/be_defconfig b/arch/arm64/configs/be_defconfig
new file mode 100644
index 0000000..8a6345a
--- /dev/null
+++ b/arch/arm64/configs/be_defconfig
@@ -0,0 +1,168 @@
+CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
+CONFIG_CPU_BIG_ENDIAN=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_FHANDLE=y
+CONFIG_AUDIT=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_MEMCG=y
+CONFIG_MEMCG_SWAP=y
+CONFIG_MEMCG_KMEM=y
+CONFIG_CGROUP_HUGETLB=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_NET_NS is not set
+CONFIG_SCHED_AUTOGROUP=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_COMPAT_BRK is not set
+CONFIG_PROFILING=y
+CONFIG_JUMP_LABEL=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_ARCH_THUNDER=y
+CONFIG_ARCH_VEXPRESS=y
+CONFIG_ARCH_XGENE=y
+CONFIG_PCI=y
+CONFIG_PCI_MSI=y
+CONFIG_PCI_XGENE=y
+CONFIG_SMP=y
+CONFIG_PREEMPT=y
+CONFIG_KSM=y
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_CMA=y
+CONFIG_CMDLINE="console=ttyAMA0"
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_COMPAT=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_INET_LRO is not set
+# CONFIG_IPV6 is not set
+CONFIG_BPF_JIT=y
+# CONFIG_WIRELESS is not set
+CONFIG_NET_9P=y
+CONFIG_NET_9P_VIRTIO=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DMA_CMA=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_VIRTIO_BLK=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_SATA_AHCI_PLATFORM=y
+CONFIG_AHCI_XGENE=y
+CONFIG_PATA_PLATFORM=y
+CONFIG_PATA_OF_PLATFORM=y
+CONFIG_NETDEVICES=y
+CONFIG_TUN=y
+CONFIG_VIRTIO_NET=y
+CONFIG_NET_XGENE=y
+CONFIG_SMC91X=y
+CONFIG_SMSC911X=y
+# CONFIG_WLAN is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_SERIO_SERPORT is not set
+CONFIG_SERIO_AMBAKMI=y
+CONFIG_LEGACY_PTY_COUNT=16
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_VIRTIO_CONSOLE=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_SPI=y
+CONFIG_SPI_PL022=y
+CONFIG_GPIO_PL061=y
+CONFIG_GPIO_XGENE=y
+# CONFIG_HWMON is not set
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_FB=y
+CONFIG_FB_ARMCLCD=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_ISP1760_HCD=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_ULPI=y
+CONFIG_MMC=y
+CONFIG_MMC_ARMMMCI=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_SPI=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_EFI=y
+CONFIG_RTC_DRV_XGENE=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_MMIO=y
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_PHY_XGENE=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+# CONFIG_EXT3_FS_XATTR is not set
+CONFIG_EXT4_FS=y
+CONFIG_FANOTIFY=y
+CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
+CONFIG_QUOTA=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_FUSE_FS=y
+CONFIG_CUSE=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_NFS_FS=y
+CONFIG_ROOT_NFS=y
+CONFIG_9P_FS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_FS=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_LOCKUP_DETECTOR=y
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_FTRACE is not set
+CONFIG_KEYS=y
+CONFIG_SECURITY=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_ARM64_CRYPTO=y
+CONFIG_CRYPTO_SHA1_ARM64_CE=y
+CONFIG_CRYPTO_SHA2_ARM64_CE=y
+CONFIG_CRYPTO_GHASH_ARM64_CE=y
+CONFIG_CRYPTO_AES_ARM64_CE_CCM=y
+CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
+CONFIG_CRYPTO_AES_ARM64_NEON_BLK=y
--
2.1.0
Patch 2:
From 08b524e39838081b3ed22dae579a54d8f94dd22c Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob.mottram@codethink.co.uk>
Date: Tue, 10 Feb 2015 10:08:23 +0000
Subject: [PATCH 2/2] Arm64: enable big-endian support
---
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index b1f9a20..9c1937c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1,5 +1,6 @@
config ARM64
def_bool y
+ select ARCH_SUPPORTS_BIG_ENDIAN
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_GCOV_PROFILE_ALL
--
2.1.0
Patch 3:
From cdb0d6c4e9815965f21d3c06a97160814fa0290a Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob.mottram@codethink.co.uk>
Date: Tue, 17 Feb 2015 12:34:13 +0000
Subject: [PATCH] ARM4: Additional configuration for M400
---
arch/arm64/configs/be_defconfig | 73 +++++++++++++++++++++++++++++++++++++++--
1 file changed, 71 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/configs/be_defconfig b/arch/arm64/configs/be_defconfig
index 8a6345a..c0b3e03 100644
--- a/arch/arm64/configs/be_defconfig
+++ b/arch/arm64/configs/be_defconfig
@@ -1,3 +1,42 @@
+CONFIG_BRIDGE_VLAN_FILTERING=y
+CONFIG_VLAN_8021Q=y
+CONFIG_HOTPLUG_PCI_ACPI=y
+CONFIG_HOTPLUG_PCI=y
+CONFIG_FB_VESA=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_NF_NAT_IPV4=y
+CONFIG_NF_NAT=y
+CONFIG_VHOST_NET=y
+CONFIG_BRIDGE=y
+CONFIG_NFSD_V3=y
+CONFIG_NFSD=y
+# CONFIG_DEBUG_STACK_TRACE is not set
+CONFIG_SECCOMP=y
+CONFIG_8139CP=y
+CONFIG_8139TOO=y
+CONFIG_R8169=y
+CONFIG_9P_FS_POSIX_ACL=y
+CONFIG_9P_FSCACHE=y
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_RING=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_HW_RANDOM_VIRTIO=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
+CONFIG_CEPH_FS=y
+CONFIG_BLK_DEV_CRYPTOLOOP=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_JBD2_DEBUG=y
+CONFIG_JBD_DEBUG=y
+CONFIG_CGROUPS=y
+CONFIG_BTRFS_FS=y
+CONFIG_BTRFS_FS_POSIX_ACL=y
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_HAVE_IDE=y
+CONFIG_ATA_GENERIC=y
CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
CONFIG_CPU_BIG_ENDIAN=y
# CONFIG_LOCALVERSION_AUTO is not set
@@ -60,7 +99,7 @@ CONFIG_BPF_JIT=y
# CONFIG_WIRELESS is not set
CONFIG_NET_9P=y
CONFIG_NET_9P_VIRTIO=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_UEVENT_HELPER_PATH=""
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_DMA_CMA=y
@@ -127,10 +166,20 @@ CONFIG_VIRTIO_MMIO=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PHY_XGENE=y
CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+CONFIG_EXT2_FS_XIP=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_XATTR=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+# CONFIG_EXT4_DEBUG is not set
CONFIG_FANOTIFY=y
CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
CONFIG_QUOTA=y
@@ -166,3 +215,23 @@ CONFIG_CRYPTO_GHASH_ARM64_CE=y
CONFIG_CRYPTO_AES_ARM64_CE_CCM=y
CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
CONFIG_CRYPTO_AES_ARM64_NEON_BLK=y
+# M400
+CONFIG_GENERIC_PHY=y
+CONFIG_NET_VENDOR_MELLANOX=y
+CONFIG_MLX4_EN=y
+CONFIG_MLX4_EN_DCB=y
+CONFIG_MLX4_EN_VXLAN=y
+CONFIG_MLX4_CORE=y
+CONFIG_MLX5_CORE=y
+CONFIG_NET_IP_TUNNEL=y
+CONFIG_VXLAN=y
+CONFIG_UIO=y
+CONFIG_UIO_PDRV_GENIRQ=y
+CONFIG_GPIO_DWAPB=y
+CONFIG_KEYBOARD_GPIO=y
+CONFIG_INPUT_POLLDEV=y
+CONFIG_KEYBOARD_GPIO_POLLED=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_GPIO=y
+CONFIG_POWER_RESET_SYSCON=y
+CONFIG_POWER_AVS=y
--
2.1.0
Apply them:
patch -p1 <patch1.txt
patch -p1 <patch2.txt
patch -p1 <patch3.txt
Now build the kernel:
export ARCH=arm64
export CROSS_COMPILE=aarch64-linux-gnu-
make mrproper
make O=build be_defconfig
make O=build -j3