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https://mirrors.bfsu.edu.cn/git/linux.git
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b7a7d1c1ec
- add debugfs support for dumping dma-debug information (Corentin Labbe)
- Kconfig cleanups (Andy Shevchenko and me)
- debugfs cleanups (Greg Kroah-Hartman)
- improve dma_map_resource and use it in the media code
- arch_setup_dma_ops / arch_teardown_dma_ops cleanups
- various small cleanups and improvements for the per-device coherent
allocator
- make the DMA mask an upper bound and don't fail "too large" dma mask
in the remaning two architectures - this will allow big driver
cleanups in the following merge windows
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Merge tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping
Pull DMA mapping updates from Christoph Hellwig:
- add debugfs support for dumping dma-debug information (Corentin
Labbe)
- Kconfig cleanups (Andy Shevchenko and me)
- debugfs cleanups (Greg Kroah-Hartman)
- improve dma_map_resource and use it in the media code
- arch_setup_dma_ops / arch_teardown_dma_ops cleanups
- various small cleanups and improvements for the per-device coherent
allocator
- make the DMA mask an upper bound and don't fail "too large" dma mask
in the remaning two architectures - this will allow big driver
cleanups in the following merge windows
* tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping: (21 commits)
Documentation/DMA-API-HOWTO: update dma_mask sections
sparc64/pci_sun4v: allow large DMA masks
sparc64/iommu: allow large DMA masks
sparc64: refactor the ali DMA quirk
ccio: allow large DMA masks
dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag
dma-mapping: remove dma_mark_declared_memory_occupied
dma-mapping: move CONFIG_DMA_CMA to kernel/dma/Kconfig
dma-mapping: improve selection of dma_declare_coherent availability
dma-mapping: remove an incorrect __iommem annotation
of: select OF_RESERVED_MEM automatically
device.h: dma_mem is only needed for HAVE_GENERIC_DMA_COHERENT
mfd/sm501: depend on HAS_DMA
dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability
dma-mapping: add a kconfig symbol for arch_setup_dma_ops availability
dma-mapping: move debug configuration options to kernel/dma
dma-debug: add dumping facility via debugfs
dma: debug: no need to check return value of debugfs_create functions
videobuf2: replace a layering violation with dma_map_resource
dma-mapping: don't BUG when calling dma_map_resource on RAM
...
206 lines
3.6 KiB
Plaintext
206 lines
3.6 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config UNICORE32
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def_bool y
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select ARCH_32BIT_OFF_T
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select ARCH_HAS_DEVMEM_IS_ALLOWED
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select ARCH_MIGHT_HAVE_PC_PARPORT
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select ARCH_MIGHT_HAVE_PC_SERIO
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_BZIP2
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select GENERIC_ATOMIC64
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select HAVE_KERNEL_LZO
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select HAVE_KERNEL_LZMA
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select HAVE_PCI
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select VIRT_TO_BUS
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select ARCH_HAVE_CUSTOM_GPIO_H
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select GENERIC_FIND_FIRST_BIT
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select GENERIC_IRQ_PROBE
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select GENERIC_IRQ_SHOW
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select ARCH_WANT_FRAME_POINTERS
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select GENERIC_IOMAP
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select MODULES_USE_ELF_REL
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select NEED_DMA_MAP_STATE
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help
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UniCore-32 is 32-bit Instruction Set Architecture,
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including a series of low-power-consumption RISC chip
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designs licensed by PKUnity Ltd.
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Please see web page at <http://www.pkunity.com/>.
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config GENERIC_CSUM
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def_bool y
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config NO_IOPORT_MAP
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bool
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config STACKTRACE_SUPPORT
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def_bool y
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config LOCKDEP_SUPPORT
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def_bool y
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config RWSEM_GENERIC_SPINLOCK
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def_bool y
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config RWSEM_XCHGADD_ALGORITHM
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bool
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config ARCH_HAS_ILOG2_U32
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bool
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config ARCH_HAS_ILOG2_U64
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bool
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config GENERIC_HWEIGHT
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def_bool y
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config GENERIC_CALIBRATE_DELAY
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def_bool y
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config ARCH_MAY_HAVE_PC_FDC
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bool
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config ZONE_DMA
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def_bool y
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menu "System Type"
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config MMU
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def_bool y
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config ARCH_FPGA
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bool
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config ARCH_PUV3
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def_bool y
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select CPU_UCV2
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select GENERIC_CLOCKEVENTS
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select HAVE_CLK
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select GPIOLIB
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# CONFIGs for ARCH_PUV3
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if ARCH_PUV3
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choice
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prompt "Board Selection"
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default PUV3_DB0913
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config PUV3_FPGA_DLX200
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select ARCH_FPGA
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bool "FPGA board"
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config PUV3_DB0913
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bool "DEBUG board (0913)"
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config PUV3_NB0916
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bool "NetBook board (0916)"
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select PWM
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select PWM_PUV3
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config PUV3_SMW0919
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bool "Security Mini-Workstation board (0919)"
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endchoice
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config PUV3_PM
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def_bool y if !ARCH_FPGA
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endif
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source "arch/unicore32/mm/Kconfig"
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comment "Floating point support"
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config UNICORE_FPU_F64
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def_bool y if !ARCH_FPGA
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endmenu
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menu "Kernel Features"
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source "kernel/Kconfig.hz"
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config LEDS
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def_bool y
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depends on GPIOLIB
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config ALIGNMENT_TRAP
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def_bool y
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help
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Unicore processors can not fetch/store information which is not
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naturally aligned on the bus, i.e., a 4 byte fetch must start at an
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address divisible by 4. On 32-bit Unicore processors, these non-aligned
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fetch/store instructions will be emulated in software if you say
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here, which has a severe performance impact. This is necessary for
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correct operation of some network protocols. With an IP-only
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configuration it is safe to say N, otherwise say Y.
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endmenu
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menu "Boot options"
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config CMDLINE
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string "Default kernel command string"
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default ""
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config CMDLINE_FORCE
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bool "Always use the default kernel command string"
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depends on CMDLINE != ""
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help
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Always use the default kernel command string, even if the boot
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loader passes other arguments to the kernel.
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This is useful if you cannot or don't want to change the
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command-line options your boot loader passes to the kernel.
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If unsure, say N.
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endmenu
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menu "Power management options"
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source "kernel/power/Kconfig"
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source "drivers/cpufreq/Kconfig"
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config ARCH_SUSPEND_POSSIBLE
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def_bool y if !ARCH_FPGA
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config ARCH_HIBERNATION_POSSIBLE
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def_bool y if !ARCH_FPGA
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endmenu
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if ARCH_PUV3
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config PUV3_GPIO
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bool
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depends on !ARCH_FPGA
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select GPIO_SYSFS
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default y
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if PUV3_NB0916
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menu "PKUnity NetBook-0916 Features"
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config I2C_BATTERY_BQ27200
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tristate "I2C Battery BQ27200 Support"
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select I2C_PUV3
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select POWER_SUPPLY
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select BATTERY_BQ27XXX
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config I2C_EEPROM_AT24
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tristate "I2C EEPROMs AT24 support"
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select I2C_PUV3
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select EEPROM_AT24
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config LCD_BACKLIGHT
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tristate "LCD Backlight support"
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select BACKLIGHT_LCD_SUPPORT
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select BACKLIGHT_PWM
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endmenu
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endif
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endif
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