Subject: RE: Combining defconfigs for 44x based boards

From: Tirumala Marri <[email-masked]>
Date: Wed, 8 Sep 2010 19:16:02 -0700

>
> Linus made a suggestion to that effect?  If so, I missed it.  Have a
> pointer?
>

I am thinking that we can combine arches, Canyonlands, glacier, redwood
and eiger can be combined as ppc46x_defconfig.

---- here is the defconfig example -------

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.36-rc2
# Thu Sep  2 11:25:03 2010
#
# CONFIG_PPC64 is not set

#
# Processor support
#
CONFIG_44x=y
CONFIG_PPC_FPU=y
CONFIG_4xx=y
CONFIG_BOOKE=y
CONFIG_PTE_64BIT=y
CONFIG_PHYS_64BIT=y
CONFIG_PPC_MMU_NOHASH=y
CONFIG_PPC_MMU_NOHASH_32=y
CONFIG_NOT_COHERENT_CACHE=y
CONFIG_PPC32=y
CONFIG_WORD_SIZE=32
CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
CONFIG_MMU=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_IRQ_PER_CPU=y
CONFIG_NR_IRQS=512
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_ARCH_HAS_ILOG2_U32=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
CONFIG_PPC=y
CONFIG_EARLY_PRINTK=y
CONFIG_GENERIC_NVRAM=y
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_PPC_OF=y
CONFIG_PPC_UDBG_16550=y
CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_BUG=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_PPC_DCR_NATIVE=y
CONFIG_PPC_DCR=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_PPC_ADV_DEBUG_REGS=y
CONFIG_PPC_ADV_DEBUG_IACS=4
CONFIG_PPC_ADV_DEBUG_DACS=2
CONFIG_PPC_ADV_DEBUG_DVCS=2
CONFIG_PPC_ADV_DEBUG_DAC_RANGE=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_CONSTRUCTORS=y

#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
CONFIG_RCU_FANOUT=32
CONFIG_LOG_BUF_SHIFT=14
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
CONFIG_EMBEDDED=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y

#
# Kernel Performance Events And Counters
#
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
CONFIG_SLUB=y
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y

#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
CONFIG_DEFAULT_CFQ=y
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_INLINE_SPIN_UNLOCK=y
CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
CONFIG_INLINE_READ_UNLOCK=y
CONFIG_INLINE_READ_UNLOCK_IRQ=y
CONFIG_INLINE_WRITE_UNLOCK=y
CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
CONFIG_PPC4xx_PCI_EXPRESS=y

#
# Platform support
#
CONFIG_ARCHES=y
CONFIG_CANYONLANDS=y
CONFIG_BLUESTONE=y
CONFIG_GLACIER=y
CONFIG_REDWOOD=y
CONFIG_EIGER=y
CONFIG_PPC44x_SIMPLE=y
CONFIG_460EX=y

#
# Kernel options
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_HZ_250=y
CONFIG_HZ=250
CONFIG_SCHED_HRTICK=y
CONFIG_PREEMPT_NONE=y
CONFIG_BINFMT_ELF=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_HAS_WALK_MEMORY=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_SPARSE_IRQ=y
CONFIG_MAX_ACTIVE_REGIONS=32
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MIGRATION=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_STDBINUTILS=y
CONFIG_PPC_4K_PAGES=y
CONFIG_FORCE_MAX_ZONEORDER=11
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE=""
CONFIG_EXTRA_TARGETS=""
CONFIG_SECCOMP=y
CONFIG_ISA_DMA_API=y

#
# Bus options
#
CONFIG_ZONE_DMA=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_INDIRECT_PCI=y
CONFIG_4xx_SOC=y
CONFIG_PPC_PCI_CHOICE=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_SYSCALL=y
CONFIG_ARCH_SUPPORTS_MSI=y

#
# Advanced setup
#
# CONFIG_ADVANCED_OPTIONS is not set

#
# Default settings for advanced configuration options are used
#
CONFIG_LOWMEM_SIZE=0x30000000
CONFIG_PAGE_OFFSET=0xc0000000
CONFIG_KERNEL_START=0xc0000000
CONFIG_PHYSICAL_START=0x00000000
CONFIG_TASK_SIZE=0xc0000000
CONFIG_CONSISTENT_SIZE=0x00200000
CONFIG_NET=y

#
# Networking options
#
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
CONFIG_CONNECTOR=y
CONFIG_PROC_EVENTS=y
CONFIG_MTD=y
CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_OF_PARTS=y

#
# User Modules And Translation Layers
#
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLKDEVS=y
CONFIG_MTD_BLOCK=y
#
# RAM/ROM/Flash chip drivers
#
CONFIG_MTD_CFI=y
CONFIG_MTD_GEN_PROBE=y
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_CFI_UTIL=y

#
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PHYSMAP is not set
CONFIG_MTD_PHYSMAP_OF=y
# CONFIG_MTD_INTEL_VR_NOR is not set
# CONFIG_MTD_PLATRAM is not set

#
# UBI - Unsorted block images
#
CONFIG_DTC=y
CONFIG_OF=y

#
# Flattened Device Tree and Open Firmware support
#
CONFIG_PROC_DEVICETREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_DYNAMIC=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_IRQ=y
CONFIG_OF_DEVICE=y
CONFIG_OF_I2C=y
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=35000
CONFIG_HAVE_IDE=y

#
# The newer stack is recommended.
#
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_IBM_NEW_EMAC=y
CONFIG_IBM_NEW_EMAC_RXB=256
CONFIG_IBM_NEW_EMAC_TXB=256
CONFIG_IBM_NEW_EMAC_POLL_WEIGHT=32
CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD=256
CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM=0
CONFIG_IBM_NEW_EMAC_ZMII=y
CONFIG_IBM_NEW_EMAC_RGMII=y
CONFIG_IBM_NEW_EMAC_TAH=y
CONFIG_IBM_NEW_EMAC_EMAC4=y
CONFIG_WLAN=y

#
# Hardware I/O ports
#

#
# Character devices
#
CONFIG_DEVKMEM=y

#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
CONFIG_SERIAL_8250_RUNTIME_UARTS=2
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_SHARE_IRQ=y

#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_DEVPORT=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_HELPER_AUTO=y

#
# I2C Hardware Bus support
#

#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
CONFIG_I2C_IBM_IIC=y

#
# PPS support
#
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_HWMON=y

#
# Native drivers
#
CONFIG_SENSORS_AD7414=y
CONFIG_SSB_POSSIBLE=y

#
# Sonics Silicon Backplane
#
CONFIG_MFD_SUPPORT=y

#
# Display device support
#
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y

#
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
CONFIG_USB_DEVICE_CLASS=y
CONFIG_USB_MON=y

#
# USB Host Controller Drivers
#
CONFIG_USB_EHCI_HCD=m
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_EHCI_HCD_PPC_OF=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
CONFIG_USB_OHCI_HCD_PPC_OF_LE=y
CONFIG_USB_OHCI_HCD_PPC_OF=y
CONFIG_USB_OHCI_HCD_PCI=y
CONFIG_USB_OHCI_BIG_ENDIAN_DESC=y
CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
#
# USB Device Class drivers
#
#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#

#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_LIBUSUAL=y

#
# OTG and related infrastructure
#
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"

#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y

#
# I2C RTC drivers
#
CONFIG_RTC_DRV_M41T80=y
#
# SPI RTC drivers
#

#
# Platform RTC drivers
#

#
# on-CPU RTC drivers
#

#
# File systems
#
CONFIG_EXT2_FS=y
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_MISC_FILESYSTEMS=y
CONFIG_CRAMFS=y
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y

#
# Partition Types
#
CONFIG_MSDOS_PARTITION=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"

#
# Library routines
#
CONFIG_BITREVERSE=y
CONFIG_GENERIC_FIND_LAST_BIT=y
CONFIG_CRC32=y
CONFIG_ZLIB_INFLATE=y
CONFIG_DECOMPRESS_GZIP=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_NLATTR=y
CONFIG_GENERIC_ATOMIC64=y

#
# Kernel hacking
#
CONFIG_FRAME_WARN=1024
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_TRACING_SUPPORT=y
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_PPC_WERROR=y
CONFIG_PRINT_STACK_DEPTH=64

#
# Security options
#
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_DEFAULT_SECURITY=""