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Commit 4e76c5cc authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6: (21 commits)
  xtensa: we don't need to include asm/io.h
  xtensa: only build platform or variant if they contain a Makefile
  xtensa: make startup code discardable
  xtensa: ccount clocksource
  xtensa: remove platform rtc hooks
  xtensa: use generic sched_clock()
  xtensa: platform: s6105
  xtensa: let platform override KERNELOFFSET
  xtensa: s6000 variant
  xtensa: s6000 variant core definitions
  xtensa: variant irq set callbacks
  xtensa: variant-specific code
  xtensa: nommu support
  xtensa: add flat support
  xtensa: enforce slab alignment to maximum register width
  xtensa: cope with ram beginning at higher addresses
  xtensa: don't make bootmem bitmap larger than required
  xtensa: fix init_bootmem_node() argument order
  xtensa: use correct stack pointer for stack traces
  xtensa: beat Kconfig into shape
  ...
parents b9834717 65127d28

arch/xtensa/Kconfig

+96 −88
Original line number Diff line number Diff line
@@ -4,16 +4,13 @@ 
mainmenu "Linux/Xtensa Kernel Configuration"



config FRAME_POINTER

	bool

	default n

	def_bool n



config ZONE_DMA

	bool

	default y

	def_bool y



config XTENSA

	bool

	default y

	def_bool y

	select HAVE_IDE

	help

	  Xtensa processors are 32-bit RISC machines designed by Tensilica
@@ -24,28 +21,25 @@ config XTENSA 
	  a home page at <http://xtensa.sourceforge.net/>.



config RWSEM_XCHGADD_ALGORITHM

	bool

	default y

	def_bool y



config GENERIC_FIND_NEXT_BIT

	bool

	default y

	def_bool y



config GENERIC_HWEIGHT

	bool

	default y

	def_bool y



config GENERIC_HARDIRQS

	bool

	default y

	def_bool y



config GENERIC_GPIO

	def_bool y



config ARCH_HAS_ILOG2_U32

	bool

	default n

	def_bool n



config ARCH_HAS_ILOG2_U64

	bool

	default n

	def_bool n



config NO_IOPORT

	def_bool y
@@ -54,9 +48,18 @@ config HZ 
	int

	default 100



config GENERIC_TIME

	def_bool y



source "init/Kconfig"

source "kernel/Kconfig.freezer"



config MMU

	def_bool n



config VARIANT_IRQ_SWITCH

	def_bool n



menu "Processor type and features"



choice
@@ -65,20 +68,23 @@ choice 


config XTENSA_VARIANT_FSF

	bool "fsf - default (not generic) configuration"

	select MMU



config XTENSA_VARIANT_DC232B

	bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"

	select MMU

	help

	  This variant refers to Tensilica's Diamond 232L Standard core Rev.B (LE).

endchoice



config MMU

	bool

	default y

config XTENSA_VARIANT_S6000

	bool "s6000 - Stretch software configurable processor"

	select VARIANT_IRQ_SWITCH

	select ARCH_REQUIRE_GPIOLIB

endchoice



config XTENSA_UNALIGNED_USER

	bool "Unaligned memory access in use space"

	---help---

	help

	  The Xtensa architecture currently does not handle unaligned

	  memory accesses in hardware but through an exception handler.

	  Per default, unaligned memory accesses are disabled in user space.
@@ -87,7 +93,7 @@ config XTENSA_UNALIGNED_USER 


config PREEMPT

	bool "Preemptible Kernel"

	---help---

	help

          This option reduces the latency of the kernel when reacting to

          real-time or interactive events by allowing a low priority process to

          be preempted even if it is in kernel mode executing a system call.
@@ -105,6 +111,32 @@ config MATH_EMULATION 


endmenu



config XTENSA_CALIBRATE_CCOUNT

	def_bool n

	help

	  On some platforms (XT2000, for example), the CPU clock rate can

	  vary.  The frequency can be determined, however, by measuring

	  against a well known, fixed frequency, such as an UART oscillator.



config SERIAL_CONSOLE

	def_bool n



config XTENSA_ISS_NETWORK

	def_bool n



menu "Bus options"



config PCI

	bool "PCI support"

	default y

	help

	  Find out whether you have a PCI motherboard. PCI is the name of a

	  bus system, i.e. the way the CPU talks to the other stuff inside

	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or

	  VESA. If you have PCI, say Y, otherwise N.



source "drivers/pci/Kconfig"



menu "Platform options"



choice
@@ -113,33 +145,35 @@ choice 


config XTENSA_PLATFORM_ISS

	bool "ISS"

	select XTENSA_CALIBRATE_CCOUNT

	select SERIAL_CONSOLE

	select XTENSA_ISS_NETWORK

	help

	  ISS is an acronym for Tensilica's Instruction Set Simulator.



config XTENSA_PLATFORM_XT2000

	bool "XT2000"

	select XTENSA_CALIBRATE_CCOUNT

	select PCI

	help

	  XT2000 is the name of Tensilica's feature-rich emulation platform.

	  This hardware is capable of running a full Linux distribution.



endchoice

config XTENSA_PLATFORM_S6105

	bool "S6105"

	select SERIAL_CONSOLE



endchoice



config XTENSA_CALIBRATE_CCOUNT

	bool "Auto calibration of the CPU clock rate"

	---help---

	  On some platforms (XT2000, for example), the CPU clock rate can

	  vary.  The frequency can be determined, however, by measuring

	  against a well known, fixed frequency, such as an UART oscillator.



config XTENSA_CPU_CLOCK

	int "CPU clock rate [MHz]"

	depends on !XTENSA_CALIBRATE_CCOUNT

	default "16"

	default 16



config GENERIC_CALIBRATE_DELAY

	bool "Auto calibration of the BogoMIPS value"

	---help---

	help

	  The BogoMIPS value can easily be derived from the CPU frequency.



config CMDLINE_BOOL
@@ -156,38 +190,13 @@ config CMDLINE 
	  time by entering them here. As a minimum, you should specify the

	  memory size and the root device (e.g., mem=64M root=/dev/nfs).



config SERIAL_CONSOLE

	bool

	depends on XTENSA_PLATFORM_ISS

	default y



config XTENSA_ISS_NETWORK

	bool

	depends on XTENSA_PLATFORM_ISS

	default y



source "mm/Kconfig"



endmenu



menu "Bus options"



config PCI

	bool "PCI support" if !XTENSA_PLATFORM_ISS

	depends on !XTENSA_PLATFORM_ISS

	default y

	help

	  Find out whether you have a PCI motherboard. PCI is the name of a

	  bus system, i.e. the way the CPU talks to the other stuff inside

	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or

	  VESA. If you have PCI, say Y, otherwise N.



source "drivers/pci/Kconfig"



config HOTPLUG



	bool "Support for hot-pluggable devices"

	---help---

	help

	  Say Y here if you want to plug devices into your computer while

	  the system is running, and be able to use them quickly.  In many

	  cases, the devices can likewise be unplugged at any time too.
@@ -213,9 +222,8 @@ menu "Executable file formats" 


# only elf supported

config KCORE_ELF

        bool

	def_bool y

        depends on PROC_FS

        default y

        help

          If you enabled support for /proc file system then the file

          /proc/kcore will contain the kernel core image in ELF format. This

arch/xtensa/Makefile

+10 −5
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 


variant-$(CONFIG_XTENSA_VARIANT_FSF)		:= fsf

variant-$(CONFIG_XTENSA_VARIANT_DC232B)		:= dc232b

variant-$(CONFIG_XTENSA_VARIANT_S6000)		:= s6000

variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM)	:= custom



VARIANT = $(variant-y)
@@ -24,6 +25,7 @@ export VARIANT 


platform-$(CONFIG_XTENSA_PLATFORM_XT2000)	:= xt2000

platform-$(CONFIG_XTENSA_PLATFORM_ISS)		:= iss

platform-$(CONFIG_XTENSA_PLATFORM_S6105)	:= s6105



PLATFORM = $(platform-y)

export PLATFORM
@@ -62,20 +64,23 @@ ifneq ($(VARIANT),) 
  endif

endif



#

# Only build variant and/or platform if it includes a Makefile



buildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)

buildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)



# Find libgcc.a



LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)



head-y		:= arch/xtensa/kernel/head.o

core-y		+= arch/xtensa/kernel/ arch/xtensa/mm/

ifneq ($(PLATFORM),)

core-y		+= arch/xtensa/platforms/$(PLATFORM)/

endif

core-y		+= $(buildvar) $(buildplf)



libs-y		+= arch/xtensa/lib/ $(LIBGCC)



boot		:= arch/xtensa/boot





all: zImage



bzImage : zImage

arch/xtensa/configs/s6105_defconfig

0 → 100644
+530 −0
Original line number Diff line number Diff line 
#

# Automatically generated make config: don't edit

# Linux kernel version: 2.6.29-rc7-s6

# Tue Mar 10 11:09:26 2009

#

# CONFIG_FRAME_POINTER is not set

CONFIG_ZONE_DMA=y

CONFIG_XTENSA=y

CONFIG_RWSEM_XCHGADD_ALGORITHM=y

CONFIG_GENERIC_FIND_NEXT_BIT=y

CONFIG_GENERIC_HWEIGHT=y

CONFIG_GENERIC_HARDIRQS=y

CONFIG_GENERIC_GPIO=y

# CONFIG_ARCH_HAS_ILOG2_U32 is not set

# CONFIG_ARCH_HAS_ILOG2_U64 is not set

CONFIG_NO_IOPORT=y

CONFIG_HZ=100

CONFIG_GENERIC_TIME=y

CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"



#

# General setup

#

CONFIG_EXPERIMENTAL=y

CONFIG_BROKEN_ON_SMP=y

CONFIG_LOCK_KERNEL=y

CONFIG_INIT_ENV_ARG_LIMIT=32

CONFIG_LOCALVERSION=""

CONFIG_LOCALVERSION_AUTO=y

CONFIG_SYSVIPC=y

CONFIG_SYSVIPC_SYSCTL=y

# CONFIG_POSIX_MQUEUE is not set

# CONFIG_BSD_PROCESS_ACCT is not set

# CONFIG_TASKSTATS is not set

# CONFIG_AUDIT is not set



#

# RCU Subsystem

#

# CONFIG_CLASSIC_RCU is not set

# CONFIG_TREE_RCU is not set

CONFIG_PREEMPT_RCU=y

# CONFIG_RCU_TRACE is not set

# CONFIG_TREE_RCU_TRACE is not set

# CONFIG_PREEMPT_RCU_TRACE is not set

CONFIG_IKCONFIG=y

CONFIG_IKCONFIG_PROC=y

CONFIG_LOG_BUF_SHIFT=16

# CONFIG_GROUP_SCHED is not set

# CONFIG_CGROUPS is not set

# CONFIG_SYSFS_DEPRECATED_V2 is not set

# CONFIG_RELAY is not set

# CONFIG_NAMESPACES is not set

CONFIG_BLK_DEV_INITRD=y

CONFIG_INITRAMFS_SOURCE=""

CONFIG_CC_OPTIMIZE_FOR_SIZE=y

CONFIG_SYSCTL=y

CONFIG_EMBEDDED=y

CONFIG_SYSCTL_SYSCALL=y

CONFIG_KALLSYMS=y

# CONFIG_KALLSYMS_ALL is not set

# CONFIG_KALLSYMS_EXTRA_PASS is not set

# CONFIG_HOTPLUG is not set

CONFIG_PRINTK=y

CONFIG_BUG=y

CONFIG_ELF_CORE=y

# CONFIG_COMPAT_BRK is not set

CONFIG_BASE_FULL=y

CONFIG_FUTEX=y

CONFIG_ANON_INODES=y

CONFIG_EPOLL=y

CONFIG_SIGNALFD=y

CONFIG_TIMERFD=y

CONFIG_EVENTFD=y

CONFIG_AIO=y

CONFIG_VM_EVENT_COUNTERS=y

CONFIG_SLAB=y

# CONFIG_SLUB is not set

# CONFIG_SLOB is not set

# CONFIG_PROFILING is not set

# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set

CONFIG_SLABINFO=y

CONFIG_RT_MUTEXES=y

CONFIG_BASE_SMALL=0

# CONFIG_MODULES is not set

CONFIG_BLOCK=y

# CONFIG_LBD is not set

# CONFIG_BLK_DEV_IO_TRACE is not set

# CONFIG_BLK_DEV_BSG is not set

# CONFIG_BLK_DEV_INTEGRITY is not set



#

# IO Schedulers

#

CONFIG_IOSCHED_NOOP=y

# CONFIG_IOSCHED_AS is not set

# CONFIG_IOSCHED_DEADLINE is not set

CONFIG_IOSCHED_CFQ=y

# CONFIG_DEFAULT_AS is not set

# CONFIG_DEFAULT_DEADLINE is not set

CONFIG_DEFAULT_CFQ=y

# CONFIG_DEFAULT_NOOP is not set

CONFIG_DEFAULT_IOSCHED="cfq"

# CONFIG_FREEZER is not set

# CONFIG_MMU is not set

CONFIG_VARIANT_IRQ_SWITCH=y



#

# Processor type and features

#

# CONFIG_XTENSA_VARIANT_FSF is not set

# CONFIG_XTENSA_VARIANT_DC232B is not set

CONFIG_XTENSA_VARIANT_S6000=y

# CONFIG_XTENSA_UNALIGNED_USER is not set

CONFIG_PREEMPT=y

# CONFIG_MATH_EMULATION is not set

# CONFIG_HIGHMEM is not set

# CONFIG_XTENSA_CALIBRATE_CCOUNT is not set

CONFIG_SERIAL_CONSOLE=y

# CONFIG_XTENSA_ISS_NETWORK is not set



#

# Bus options

#

# CONFIG_PCI is not set

# CONFIG_ARCH_SUPPORTS_MSI is not set



#

# Platform options

#

# CONFIG_XTENSA_PLATFORM_ISS is not set

# CONFIG_XTENSA_PLATFORM_XT2000 is not set

CONFIG_XTENSA_PLATFORM_S6105=y

CONFIG_XTENSA_CPU_CLOCK=300

CONFIG_GENERIC_CALIBRATE_DELAY=y

CONFIG_CMDLINE_BOOL=y

CONFIG_CMDLINE="console=ttyS1,38400 debug bootmem_debug loglevel=7"

CONFIG_SELECT_MEMORY_MODEL=y

CONFIG_FLATMEM_MANUAL=y

# CONFIG_DISCONTIGMEM_MANUAL is not set

# CONFIG_SPARSEMEM_MANUAL is not set

CONFIG_FLATMEM=y

CONFIG_FLAT_NODE_MEM_MAP=y

CONFIG_PAGEFLAGS_EXTENDED=y

CONFIG_SPLIT_PTLOCK_CPUS=4

# CONFIG_PHYS_ADDR_T_64BIT is not set

CONFIG_ZONE_DMA_FLAG=1

CONFIG_VIRT_TO_BUS=y



#

# Executable file formats

#

CONFIG_KCORE_ELF=y

CONFIG_BINFMT_FLAT=y

# CONFIG_BINFMT_ZFLAT is not set

# CONFIG_BINFMT_SHARED_FLAT is not set

# CONFIG_HAVE_AOUT is not set

# CONFIG_BINFMT_MISC is not set

CONFIG_NET=y



#

# Networking options

#

CONFIG_COMPAT_NET_DEV_OPS=y

CONFIG_PACKET=y

# CONFIG_PACKET_MMAP is not set

CONFIG_UNIX=y

# CONFIG_NET_KEY is not set

CONFIG_INET=y

# CONFIG_IP_MULTICAST is not set

# CONFIG_IP_ADVANCED_ROUTER is not set

CONFIG_IP_FIB_HASH=y

# CONFIG_IP_PNP is not set

# CONFIG_NET_IPIP is not set

# CONFIG_NET_IPGRE is not set

# CONFIG_ARPD is not set

# CONFIG_SYN_COOKIES is not set

# CONFIG_INET_AH is not set

# CONFIG_INET_ESP is not set

# CONFIG_INET_IPCOMP is not set

# CONFIG_INET_XFRM_TUNNEL is not set

# CONFIG_INET_TUNNEL is not set

# CONFIG_INET_XFRM_MODE_TRANSPORT is not set

# CONFIG_INET_XFRM_MODE_TUNNEL is not set

# CONFIG_INET_XFRM_MODE_BEET is not set

# CONFIG_INET_LRO is not set

# CONFIG_INET_DIAG is not set

# CONFIG_TCP_CONG_ADVANCED is not set

CONFIG_TCP_CONG_CUBIC=y

CONFIG_DEFAULT_TCP_CONG="cubic"

# CONFIG_TCP_MD5SIG is not set

# CONFIG_IPV6 is not set

# CONFIG_NETWORK_SECMARK is not set

# CONFIG_NETFILTER is not set

# CONFIG_IP_DCCP is not set

# CONFIG_IP_SCTP is not set

# CONFIG_TIPC is not set

# CONFIG_ATM is not set

# CONFIG_BRIDGE is not set

# CONFIG_NET_DSA is not set

# CONFIG_VLAN_8021Q is not set

# CONFIG_DECNET is not set

# CONFIG_LLC2 is not set

# CONFIG_IPX is not set

# CONFIG_ATALK is not set

# CONFIG_X25 is not set

# CONFIG_LAPB is not set

# CONFIG_ECONET is not set

# CONFIG_WAN_ROUTER is not set

# CONFIG_NET_SCHED is not set

# CONFIG_DCB is not set



#

# Network testing

#

# CONFIG_NET_PKTGEN is not set

# CONFIG_HAMRADIO is not set

# CONFIG_CAN is not set

# CONFIG_IRDA is not set

# CONFIG_BT is not set

# CONFIG_AF_RXRPC is not set

# CONFIG_PHONET is not set

# CONFIG_WIRELESS is not set

# CONFIG_WIMAX is not set

# CONFIG_RFKILL is not set

# CONFIG_NET_9P is not set



#

# Device Drivers

#



#

# Generic Driver Options

#

CONFIG_STANDALONE=y

CONFIG_PREVENT_FIRMWARE_BUILD=y

# CONFIG_DEBUG_DRIVER is not set

# CONFIG_DEBUG_DEVRES is not set

# CONFIG_SYS_HYPERVISOR is not set

# CONFIG_CONNECTOR is not set

# CONFIG_MTD is not set

# CONFIG_PARPORT is not set

CONFIG_BLK_DEV=y

# CONFIG_BLK_DEV_COW_COMMON is not set

# CONFIG_BLK_DEV_LOOP is not set

# CONFIG_BLK_DEV_NBD is not set

CONFIG_BLK_DEV_RAM=y

CONFIG_BLK_DEV_RAM_COUNT=16

CONFIG_BLK_DEV_RAM_SIZE=4096

# CONFIG_BLK_DEV_XIP is not set

# CONFIG_CDROM_PKTCDVD is not set

# CONFIG_ATA_OVER_ETH is not set

# CONFIG_BLK_DEV_HD is not set

# CONFIG_MISC_DEVICES is not set

CONFIG_HAVE_IDE=y

# CONFIG_IDE is not set



#

# SCSI device support

#

# CONFIG_RAID_ATTRS is not set

# CONFIG_SCSI is not set

# CONFIG_SCSI_DMA is not set

# CONFIG_SCSI_NETLINK is not set

# CONFIG_ATA is not set

# CONFIG_MD is not set

# CONFIG_NETDEVICES is not set

# CONFIG_ISDN is not set

# CONFIG_PHONE is not set



#

# Input device support

#

# CONFIG_INPUT is not set



#

# Hardware I/O ports

#

# CONFIG_SERIO is not set

# CONFIG_GAMEPORT is not set



#

# Character devices

#

# CONFIG_VT is not set

# CONFIG_DEVKMEM is not set

# CONFIG_SERIAL_NONSTANDARD is not set



#

# 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 is not set



#

# Non-8250 serial port support

#

CONFIG_SERIAL_CORE=y

CONFIG_SERIAL_CORE_CONSOLE=y

CONFIG_UNIX98_PTYS=y

# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set

# CONFIG_LEGACY_PTYS is not set

# CONFIG_IPMI_HANDLER is not set

# CONFIG_HW_RANDOM is not set

# CONFIG_RTC is not set

# CONFIG_GEN_RTC is not set

# CONFIG_R3964 is not set

# CONFIG_RAW_DRIVER is not set

# CONFIG_TCG_TPM is not set

# CONFIG_I2C is not set

# CONFIG_SPI is not set

CONFIG_ARCH_REQUIRE_GPIOLIB=y

CONFIG_GPIOLIB=y

# CONFIG_DEBUG_GPIO is not set

# CONFIG_GPIO_SYSFS is not set



#

# Memory mapped GPIO expanders:

#



#

# I2C GPIO expanders:

#



#

# PCI GPIO expanders:

#



#

# SPI GPIO expanders:

#

# CONFIG_W1 is not set

# CONFIG_POWER_SUPPLY is not set

# CONFIG_HWMON is not set

# CONFIG_THERMAL is not set

# CONFIG_THERMAL_HWMON is not set

# CONFIG_WATCHDOG is not set

CONFIG_SSB_POSSIBLE=y



#

# Sonics Silicon Backplane

#

# CONFIG_SSB is not set



#

# Multifunction device drivers

#

# CONFIG_MFD_CORE is not set

# CONFIG_MFD_SM501 is not set

# CONFIG_HTC_PASIC3 is not set

# CONFIG_MFD_TMIO is not set

# CONFIG_REGULATOR is not set



#

# Multimedia devices

#



#

# Multimedia core support

#

# CONFIG_VIDEO_DEV is not set

# CONFIG_DVB_CORE is not set

# CONFIG_VIDEO_MEDIA is not set



#

# Multimedia drivers

#

# CONFIG_DAB is not set



#

# Graphics support

#

# CONFIG_VGASTATE is not set

# CONFIG_VIDEO_OUTPUT_CONTROL is not set

# CONFIG_FB is not set

# CONFIG_BACKLIGHT_LCD_SUPPORT is not set



#

# Display device support

#

# CONFIG_DISPLAY_SUPPORT is not set

# CONFIG_SOUND is not set

# CONFIG_USB_SUPPORT is not set

# CONFIG_MMC is not set

# CONFIG_MEMSTICK is not set

# CONFIG_NEW_LEDS is not set

# CONFIG_ACCESSIBILITY is not set

# CONFIG_RTC_CLASS is not set

# CONFIG_DMADEVICES is not set

# CONFIG_UIO is not set

# CONFIG_STAGING is not set



#

# File systems

#

# CONFIG_EXT2_FS is not set

# CONFIG_EXT3_FS is not set

# CONFIG_EXT4_FS is not set

# CONFIG_REISERFS_FS is not set

# CONFIG_JFS_FS is not set

# CONFIG_FS_POSIX_ACL is not set

CONFIG_FILE_LOCKING=y

# CONFIG_XFS_FS is not set

# CONFIG_OCFS2_FS is not set

# CONFIG_BTRFS_FS is not set

# CONFIG_DNOTIFY is not set

# CONFIG_INOTIFY is not set

# CONFIG_QUOTA is not set

# CONFIG_AUTOFS_FS is not set

# CONFIG_AUTOFS4_FS is not set

# CONFIG_FUSE_FS is not set



#

# CD-ROM/DVD Filesystems

#

# CONFIG_ISO9660_FS is not set

# CONFIG_UDF_FS is not set



#

# DOS/FAT/NT Filesystems

#

# CONFIG_MSDOS_FS is not set

# CONFIG_VFAT_FS is not set

# CONFIG_NTFS_FS is not set



#

# Pseudo filesystems

#

CONFIG_PROC_FS=y

CONFIG_PROC_SYSCTL=y

CONFIG_SYSFS=y

# CONFIG_TMPFS is not set

# CONFIG_HUGETLB_PAGE is not set

# CONFIG_CONFIGFS_FS is not set

# CONFIG_MISC_FILESYSTEMS is not set

# CONFIG_NETWORK_FILESYSTEMS is not set



#

# Partition Types

#

# CONFIG_PARTITION_ADVANCED is not set

CONFIG_MSDOS_PARTITION=y

# CONFIG_NLS is not set

# CONFIG_DLM is not set



#

# Xtensa initrd options

#

# CONFIG_EMBEDDED_RAMDISK is not set



#

# Kernel hacking

#

CONFIG_PRINTK_TIME=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_FRAME_WARN=1024

# CONFIG_MAGIC_SYSRQ is not set

# CONFIG_UNUSED_SYMBOLS is not set

# CONFIG_DEBUG_FS is not set

# CONFIG_HEADERS_CHECK is not set

CONFIG_DEBUG_KERNEL=y

CONFIG_DEBUG_SHIRQ=y

CONFIG_DETECT_SOFTLOCKUP=y

# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set

CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0

# CONFIG_SCHED_DEBUG is not set

# CONFIG_SCHEDSTATS is not set

# CONFIG_TIMER_STATS is not set

# CONFIG_DEBUG_OBJECTS is not set

# CONFIG_DEBUG_SLAB is not set

# CONFIG_DEBUG_RT_MUTEXES is not set

# CONFIG_RT_MUTEX_TESTER is not set

CONFIG_DEBUG_SPINLOCK=y

CONFIG_DEBUG_MUTEXES=y

CONFIG_DEBUG_SPINLOCK_SLEEP=y

# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set

# CONFIG_DEBUG_KOBJECT is not set

# CONFIG_DEBUG_INFO is not set

# CONFIG_DEBUG_VM is not set

CONFIG_DEBUG_NOMMU_REGIONS=y

# CONFIG_DEBUG_WRITECOUNT is not set

# CONFIG_DEBUG_MEMORY_INIT is not set

# CONFIG_DEBUG_LIST is not set

# CONFIG_DEBUG_SG is not set

# CONFIG_DEBUG_NOTIFIERS is not set

# CONFIG_BOOT_PRINTK_DELAY is not set

# CONFIG_RCU_TORTURE_TEST is not set

# CONFIG_BACKTRACE_SELF_TEST is not set

# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set

# CONFIG_FAULT_INJECTION is not set

# CONFIG_SYSCTL_SYSCALL_CHECK is not set



#

# Tracers

#

# CONFIG_PREEMPT_TRACER is not set

# CONFIG_SCHED_TRACER is not set

# CONFIG_CONTEXT_SWITCH_TRACER is not set

# CONFIG_BOOT_TRACER is not set

# CONFIG_TRACE_BRANCH_PROFILING is not set

# CONFIG_DYNAMIC_PRINTK_DEBUG is not set

# CONFIG_SAMPLES is not set



#

# Security options

#

# CONFIG_KEYS is not set

# CONFIG_SECURITY is not set

# CONFIG_SECURITYFS is not set

# CONFIG_SECURITY_FILE_CAPABILITIES is not set

# CONFIG_CRYPTO is not set



#

# Library routines

#

CONFIG_GENERIC_FIND_LAST_BIT=y

# CONFIG_CRC_CCITT is not set

# CONFIG_CRC16 is not set

# CONFIG_CRC_T10DIF is not set

# CONFIG_CRC_ITU_T is not set

# CONFIG_CRC32 is not set

# CONFIG_CRC7 is not set

# CONFIG_LIBCRC32C is not set

CONFIG_PLIST=y

CONFIG_HAS_IOMEM=y

CONFIG_HAS_DMA=y

arch/xtensa/include/asm/cacheflush.h

+7 −3
Original line number Diff line number Diff line
@@ -65,13 +65,17 @@ extern void __flush_invalidate_dcache_range(unsigned long, unsigned long); 
# define __flush_invalidate_dcache_range(p,s)	__invalidate_dcache_range(p,s)

#endif



#if (DCACHE_WAY_SIZE > PAGE_SIZE)

#if defined(CONFIG_MMU) && (DCACHE_WAY_SIZE > PAGE_SIZE)

extern void __flush_invalidate_dcache_page_alias(unsigned long, unsigned long);

#else

static inline void __flush_invalidate_dcache_page_alias(unsigned long virt,

							unsigned long phys) { }

#endif

#if (ICACHE_WAY_SIZE > PAGE_SIZE)

#if defined(CONFIG_MMU) && (ICACHE_WAY_SIZE > PAGE_SIZE)

extern void __invalidate_icache_page_alias(unsigned long, unsigned long);

#else

# define __invalidate_icache_page_alias(v,p)	do { } while(0)

static inline void __invalidate_icache_page_alias(unsigned long virt,

						unsigned long phys) { }

#endif



/*

arch/xtensa/include/asm/dma.h

+2 −1
Original line number Diff line number Diff line
@@ -44,8 +44,9 @@ 
 *	the value desired).

 */



#ifndef MAX_DMA_ADDRESS

#define MAX_DMA_ADDRESS		(PAGE_OFFSET + XCHAL_KIO_SIZE - 1)



#endif



/* Reserve and release a DMA channel */

extern int request_dma(unsigned int dmanr, const char * device_id);