mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 11:56:40 +07:00
b8edf848e9
Here are more patches in the progression towards multiplatform, sparse irq conversions in particular. Tegra has a handful of cleanups and general groundwork, but is not quite there yet on full enablement. Platforms that are enabled through this branch are VT8500 and Zynq. note that i.MX was converted in one of the earlier cleanup branches as well (before we started a separate topic for multiplatform). And both new platforms for this merge window, sunxi and bcm, were merged with multiplatform support enabled. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQySb/AAoJEIwa5zzehBx3Wo4P/0GrpUhB/qwuhgy43MA2I1Dv tnyuFvsfW9uRExcw2IwT39GFls98QUM9TwQxPqOTHVf+u0LkYMZ9aDeWJOdj3RvG H70Ypj4gZDrzZAFr2TUf8NnYGHd6G2EcMn3261Hjfd7YrswCjsMPvgRns7VOyHCa deif3KcLu3+HzxvuzqlVlTuSAagCQbfqqnTQduMRdJPHT3X3sXwl7ABW+qfOoeYC rjqIbjdh5dB1d/f7igtgBbXjSTnVz/Mr1+wk4rp9Xr1Wv0IXvIaSKjK2Df8ZuNAk aQ6mMy/oDVxlDSrYv0F7lB40/rsZcPqz8+fgYJ2FnvCpIM7z7NeTWD2kQJ2UaQ/s VunShloRxF8It6104EVWZDfEA9NvVBcCALSze0NukqiHZRZYGUzxRNQDrncaksC9 Lm+Z16cUWogsZq7VDCgXYQJeakPQfBDnsx7siMvAbOgvtpSClxuwhdC/czJiix7h BcpA+l5xSviUhHvzHhDt9iJxHjbUmo1xLDvaZSgj2OjAj257JcwaNBCk5BjZTCwe xZmQu1FjwaGtjLiG6QY0WJRsq1hiFRIb/MaWar/WpfqADFqARoambGFUjOl+P4Mu DIM5Z0AS04H+pLuP1QOz/yXxOPEP6Ri36to6XrgzfL/XGet5LW2P59xXxhcWC/OL /3IAcQrsAqh4aGMOstW1 =UJlh -----END PGP SIGNATURE----- Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC multiplatform conversion patches from Olof Johansson: "Here are more patches in the progression towards multiplatform, sparse irq conversions in particular. Tegra has a handful of cleanups and general groundwork, but is not quite there yet on full enablement. Platforms that are enabled through this branch are VT8500 and Zynq. Note that i.MX was converted in one of the earlier cleanup branches as well (before we started a separate topic for multiplatform). And both new platforms for this merge window, sunxi and bcm, were merged with multiplatform support enabled." Fix up conflicts mostly as per Olof. * tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits) ARM: zynq: Remove all unused mach headers ARM: zynq: add support for ARCH_MULTIPLATFORM ARM: zynq: make use of debug_ll_io_init() ARM: zynq: remove TTC early mapping ARM: tegra: move debug-macro.S to include/debug ARM: tegra: don't include iomap.h from debug-macro.S ARM: tegra: decouple uncompress.h and debug-macro.S ARM: tegra: simplify DEBUG_LL UART selection options ARM: tegra: select SPARSE_IRQ ARM: tegra: enhance timer.c to get IO address from device tree ARM: tegra: enhance timer.c to get IRQ info from device tree ARM: timer: fix checkpatch warnings ARM: tegra: add TWD to device tree ARM: tegra: define DT bindings for and instantiate RTC ARM: tegra: define DT bindings for and instantiate timer clocksource/mtu-nomadik: use apb_pclk clk: ux500: Register mtu apb_pclocks ARM: plat-nomadik: convert platforms to SPARSE_IRQ mfd/db8500-prcmu: use the irq_domain_add_simple() mfd/ab8500-core: use irq_domain_add_simple() ...
545 lines
17 KiB
Plaintext
545 lines
17 KiB
Plaintext
menu "Kernel hacking"
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source "lib/Kconfig.debug"
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config STRICT_DEVMEM
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bool "Filter access to /dev/mem"
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depends on MMU
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---help---
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If this option is disabled, you allow userspace (root) access to all
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of memory, including kernel and userspace memory. Accidental
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access to this is obviously disastrous, but specific access can
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be used by people debugging the kernel.
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If this option is switched on, the /dev/mem file only allows
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userspace access to memory mapped peripherals.
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If in doubt, say Y.
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# RMK wants arm kernels compiled with frame pointers or stack unwinding.
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# If you know what you are doing and are willing to live without stack
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# traces, you can get a slightly smaller kernel by setting this option to
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# n, but then RMK will have to kill you ;).
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config FRAME_POINTER
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bool
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depends on !THUMB2_KERNEL
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default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
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help
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If you say N here, the resulting kernel will be slightly smaller and
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faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
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when a problem occurs with the kernel, the information that is
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reported is severely limited.
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config ARM_UNWIND
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bool "Enable stack unwinding support (EXPERIMENTAL)"
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depends on AEABI && EXPERIMENTAL
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default y
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help
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This option enables stack unwinding support in the kernel
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using the information automatically generated by the
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compiler. The resulting kernel image is slightly bigger but
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the performance is not affected. Currently, this feature
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only works with EABI compilers. If unsure say Y.
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config OLD_MCOUNT
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bool
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depends on FUNCTION_TRACER && FRAME_POINTER
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default y
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config DEBUG_USER
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bool "Verbose user fault messages"
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help
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When a user program crashes due to an exception, the kernel can
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print a brief message explaining what the problem was. This is
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sometimes helpful for debugging but serves no purpose on a
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production system. Most people should say N here.
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In addition, you need to pass user_debug=N on the kernel command
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line to enable this feature. N consists of the sum of:
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1 - undefined instruction events
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2 - system calls
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4 - invalid data aborts
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8 - SIGSEGV faults
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16 - SIGBUS faults
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# These options are only for real kernel hackers who want to get their hands dirty.
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config DEBUG_LL
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bool "Kernel low-level debugging functions (read help!)"
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depends on DEBUG_KERNEL
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help
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Say Y here to include definitions of printascii, printch, printhex
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in the kernel. This is helpful if you are debugging code that
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executes before the console is initialized.
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Note that selecting this option will limit the kernel to a single
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UART definition, as specified below. Attempting to boot the kernel
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image on a different platform *will not work*, so this option should
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not be enabled for kernels that are intended to be portable.
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choice
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prompt "Kernel low-level debugging port"
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depends on DEBUG_LL
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config AT91_DEBUG_LL_DBGU0
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bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
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depends on HAVE_AT91_DBGU0
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config AT91_DEBUG_LL_DBGU1
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bool "Kernel low-level debugging on 9263 and 9g45"
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depends on HAVE_AT91_DBGU1
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config DEBUG_CLPS711X_UART1
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bool "Kernel low-level debugging messages via UART1"
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depends on ARCH_CLPS711X
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help
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Say Y here if you want the debug print routines to direct
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their output to the first serial port on these devices.
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config DEBUG_CLPS711X_UART2
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bool "Kernel low-level debugging messages via UART2"
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depends on ARCH_CLPS711X
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help
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Say Y here if you want the debug print routines to direct
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their output to the second serial port on these devices.
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config DEBUG_DAVINCI_DA8XX_UART1
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bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
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depends on ARCH_DAVINCI_DA8XX
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help
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Say Y here if you want the debug print routines to direct
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their output to UART1 serial port on DaVinci DA8XX devices.
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config DEBUG_DAVINCI_DA8XX_UART2
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bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
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depends on ARCH_DAVINCI_DA8XX
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help
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Say Y here if you want the debug print routines to direct
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their output to UART2 serial port on DaVinci DA8XX devices.
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config DEBUG_DAVINCI_DMx_UART0
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bool "Kernel low-level debugging on DaVinci DMx using UART0"
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depends on ARCH_DAVINCI_DMx
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help
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Say Y here if you want the debug print routines to direct
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their output to UART0 serial port on DaVinci DMx devices.
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config DEBUG_DAVINCI_TNETV107X_UART1
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bool "Kernel low-level debugging on DaVinci TNETV107x using UART1"
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depends on ARCH_DAVINCI_TNETV107X
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help
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Say Y here if you want the debug print routines to direct
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their output to UART1 serial port on DaVinci TNETV107X
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devices.
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config DEBUG_ZYNQ_UART0
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bool "Kernel low-level debugging on Xilinx Zynq using UART0"
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depends on ARCH_ZYNQ
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help
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Say Y here if you want the debug print routines to direct
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their output to UART0 on the Zynq platform.
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config DEBUG_ZYNQ_UART1
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bool "Kernel low-level debugging on Xilinx Zynq using UART1"
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depends on ARCH_ZYNQ
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help
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Say Y here if you want the debug print routines to direct
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their output to UART1 on the Zynq platform.
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If you have a ZC702 board and want early boot messages to
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appear on the USB serial adaptor, select this option.
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config DEBUG_DC21285_PORT
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bool "Kernel low-level debugging messages via footbridge serial port"
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depends on FOOTBRIDGE
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help
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Say Y here if you want the debug print routines to direct
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their output to the serial port in the DC21285 (Footbridge).
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config DEBUG_FOOTBRIDGE_COM1
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bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
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depends on FOOTBRIDGE
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help
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Say Y here if you want the debug print routines to direct
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their output to the 8250 at PCI COM1.
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config DEBUG_HIGHBANK_UART
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bool "Kernel low-level debugging messages via Highbank UART"
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depends on ARCH_HIGHBANK
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help
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Say Y here if you want the debug print routines to direct
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their output to the UART on Highbank based devices.
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config DEBUG_IMX1_UART
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bool "i.MX1 Debug UART"
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depends on SOC_IMX1
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX1.
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config DEBUG_IMX23_UART
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bool "i.MX23 Debug UART"
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depends on SOC_IMX23
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX23.
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config DEBUG_IMX25_UART
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bool "i.MX25 Debug UART"
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depends on SOC_IMX25
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX25.
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config DEBUG_IMX21_IMX27_UART
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bool "i.MX21 and i.MX27 Debug UART"
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depends on SOC_IMX21 || SOC_IMX27
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX21 or i.MX27.
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config DEBUG_IMX28_UART
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bool "i.MX28 Debug UART"
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depends on SOC_IMX28
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX28.
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config DEBUG_IMX31_IMX35_UART
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bool "i.MX31 and i.MX35 Debug UART"
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depends on SOC_IMX31 || SOC_IMX35
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX31 or i.MX35.
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config DEBUG_IMX51_UART
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bool "i.MX51 Debug UART"
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depends on SOC_IMX51
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX51.
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config DEBUG_IMX50_IMX53_UART
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bool "i.MX50 and i.MX53 Debug UART"
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depends on SOC_IMX50 || SOC_IMX53
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX50 or i.MX53.
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config DEBUG_IMX6Q_UART
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bool "i.MX6Q Debug UART"
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depends on SOC_IMX6Q
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help
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Say Y here if you want kernel low-level debugging support
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on i.MX6Q.
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config DEBUG_MMP_UART2
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bool "Kernel low-level debugging message via MMP UART2"
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depends on ARCH_MMP
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help
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Say Y here if you want kernel low-level debugging support
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on MMP UART2.
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config DEBUG_MMP_UART3
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bool "Kernel low-level debugging message via MMP UART3"
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depends on ARCH_MMP
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help
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Say Y here if you want kernel low-level debugging support
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on MMP UART3.
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config DEBUG_MSM_UART1
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bool "Kernel low-level debugging messages via MSM UART1"
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depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
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help
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Say Y here if you want the debug print routines to direct
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their output to the first serial port on MSM devices.
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config DEBUG_MSM_UART2
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bool "Kernel low-level debugging messages via MSM UART2"
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depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
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help
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Say Y here if you want the debug print routines to direct
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their output to the second serial port on MSM devices.
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config DEBUG_MSM_UART3
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bool "Kernel low-level debugging messages via MSM UART3"
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depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
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help
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Say Y here if you want the debug print routines to direct
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their output to the third serial port on MSM devices.
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config DEBUG_MSM8660_UART
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bool "Kernel low-level debugging messages via MSM 8660 UART"
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depends on ARCH_MSM8X60
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select MSM_HAS_DEBUG_UART_HS
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help
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Say Y here if you want the debug print routines to direct
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their output to the serial port on MSM 8660 devices.
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config DEBUG_MSM8960_UART
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bool "Kernel low-level debugging messages via MSM 8960 UART"
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depends on ARCH_MSM8960
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select MSM_HAS_DEBUG_UART_HS
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help
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Say Y here if you want the debug print routines to direct
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their output to the serial port on MSM 8960 devices.
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config DEBUG_MVEBU_UART
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bool "Kernel low-level debugging messages via MVEBU UART"
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depends on ARCH_MVEBU
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help
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Say Y here if you want kernel low-level debugging support
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on MVEBU based platforms.
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config DEBUG_PICOXCELL_UART
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depends on ARCH_PICOXCELL
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bool "Use PicoXcell UART for low-level debug"
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help
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Say Y here if you want kernel low-level debugging support
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on PicoXcell based platforms.
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config DEBUG_REALVIEW_STD_PORT
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bool "RealView Default UART"
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depends on ARCH_REALVIEW
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help
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Say Y here if you want the debug print routines to direct
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their output to the serial port on RealView EB, PB11MP, PBA8
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and PBX platforms.
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config DEBUG_REALVIEW_PB1176_PORT
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bool "RealView PB1176 UART"
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depends on MACH_REALVIEW_PB1176
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help
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Say Y here if you want the debug print routines to direct
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their output to the standard serial port on the RealView
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PB1176 platform.
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config DEBUG_S3C_UART0
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depends on PLAT_SAMSUNG
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bool "Use S3C UART 0 for low-level debug"
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help
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Say Y here if you want the debug print routines to direct
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their output to UART 0. The port must have been initialised
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by the boot-loader before use.
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The uncompressor code port configuration is now handled
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by CONFIG_S3C_LOWLEVEL_UART_PORT.
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config DEBUG_S3C_UART1
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depends on PLAT_SAMSUNG
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bool "Use S3C UART 1 for low-level debug"
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help
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Say Y here if you want the debug print routines to direct
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their output to UART 1. The port must have been initialised
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by the boot-loader before use.
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The uncompressor code port configuration is now handled
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by CONFIG_S3C_LOWLEVEL_UART_PORT.
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config DEBUG_S3C_UART2
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depends on PLAT_SAMSUNG
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bool "Use S3C UART 2 for low-level debug"
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help
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Say Y here if you want the debug print routines to direct
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their output to UART 2. The port must have been initialised
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by the boot-loader before use.
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The uncompressor code port configuration is now handled
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by CONFIG_S3C_LOWLEVEL_UART_PORT.
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config DEBUG_S3C_UART3
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depends on PLAT_SAMSUNG && ARCH_EXYNOS
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bool "Use S3C UART 3 for low-level debug"
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help
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Say Y here if you want the debug print routines to direct
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their output to UART 3. The port must have been initialised
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by the boot-loader before use.
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The uncompressor code port configuration is now handled
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by CONFIG_S3C_LOWLEVEL_UART_PORT.
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config DEBUG_SOCFPGA_UART
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depends on ARCH_SOCFPGA
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bool "Use SOCFPGA UART for low-level debug"
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help
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Say Y here if you want kernel low-level debugging support
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on SOCFPGA based platforms.
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config DEBUG_SUNXI_UART0
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bool "Kernel low-level debugging messages via sunXi UART0"
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depends on ARCH_SUNXI
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help
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Say Y here if you want kernel low-level debugging support
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on Allwinner A1X based platforms on the UART0.
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config DEBUG_SUNXI_UART1
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bool "Kernel low-level debugging messages via sunXi UART1"
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depends on ARCH_SUNXI
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help
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Say Y here if you want kernel low-level debugging support
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on Allwinner A1X based platforms on the UART1.
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config DEBUG_TEGRA_UART
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depends on ARCH_TEGRA
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bool "Use Tegra UART for low-level debug"
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help
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Say Y here if you want kernel low-level debugging support
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on Tegra based platforms.
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config DEBUG_VEXPRESS_UART0_DETECT
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bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
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depends on ARCH_VEXPRESS && CPU_CP15_MMU
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help
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This option enables a simple heuristic which tries to determine
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the motherboard's memory map variant (original or RS1) and then
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choose the relevant UART0 base address.
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Note that this will only work with standard A-class core tiles,
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and may fail with non-standard SMM or custom software models.
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config DEBUG_VEXPRESS_UART0_CA9
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bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
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depends on ARCH_VEXPRESS
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help
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This option selects UART0 at 0x10009000. Except for custom models,
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this applies only to the V2P-CA9 tile.
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config DEBUG_VEXPRESS_UART0_RS1
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bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)"
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depends on ARCH_VEXPRESS
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help
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This option selects UART0 at 0x1c090000. This applies to most
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of the tiles using the RS1 memory map, including all new A-class
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core tiles, FPGA-based SMMs and software models.
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config DEBUG_LL_UART_NONE
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bool "No low-level debugging UART"
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depends on !ARCH_MULTIPLATFORM
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help
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Say Y here if your platform doesn't provide a UART option
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below. This relies on your platform choosing the right UART
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definition internally in order for low-level debugging to
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work.
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config DEBUG_ICEDCC
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bool "Kernel low-level debugging via EmbeddedICE DCC channel"
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help
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Say Y here if you want the debug print routines to direct
|
|
their output to the EmbeddedICE macrocell's DCC channel using
|
|
co-processor 14. This is known to work on the ARM9 style ICE
|
|
channel and on the XScale with the PEEDI.
|
|
|
|
Note that the system will appear to hang during boot if there
|
|
is nothing connected to read from the DCC.
|
|
|
|
config DEBUG_SEMIHOSTING
|
|
bool "Kernel low-level debug output via semihosting I/O"
|
|
help
|
|
Semihosting enables code running on an ARM target to use
|
|
the I/O facilities on a host debugger/emulator through a
|
|
simple SVC call. The host debugger or emulator must have
|
|
semihosting enabled for the special svc call to be trapped
|
|
otherwise the kernel will crash.
|
|
|
|
This is known to work with OpenOCD, as well as
|
|
ARM's Fast Models, or any other controlling environment
|
|
that implements semihosting.
|
|
|
|
For more details about semihosting, please see
|
|
chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
|
|
|
|
endchoice
|
|
|
|
config DEBUG_IMX6Q_UART_PORT
|
|
int "i.MX6Q Debug UART Port (1-5)" if DEBUG_IMX6Q_UART
|
|
range 1 5
|
|
default 1
|
|
depends on SOC_IMX6Q
|
|
help
|
|
Choose UART port on which kernel low-level debug messages
|
|
should be output.
|
|
|
|
choice
|
|
prompt "Low-level debug console UART"
|
|
depends on DEBUG_LL && DEBUG_TEGRA_UART
|
|
|
|
config TEGRA_DEBUG_UART_AUTO_ODMDATA
|
|
bool "Via ODMDATA"
|
|
help
|
|
Automatically determines which UART to use for low-level debug based
|
|
on the ODMDATA value. This value is part of the BCT, and is written
|
|
to the boot memory device using nvflash, or other flashing tool.
|
|
When bits 19:18 are 3, then bits 17:15 indicate which UART to use;
|
|
0/1/2/3/4 are UART A/B/C/D/E.
|
|
|
|
config TEGRA_DEBUG_UARTA
|
|
bool "UART A"
|
|
|
|
config TEGRA_DEBUG_UARTB
|
|
bool "UART B"
|
|
|
|
config TEGRA_DEBUG_UARTC
|
|
bool "UART C"
|
|
|
|
config TEGRA_DEBUG_UARTD
|
|
bool "UART D"
|
|
|
|
config TEGRA_DEBUG_UARTE
|
|
bool "UART E"
|
|
|
|
endchoice
|
|
|
|
config DEBUG_LL_INCLUDE
|
|
string
|
|
default "debug/icedcc.S" if DEBUG_ICEDCC
|
|
default "debug/imx.S" if DEBUG_IMX1_UART || \
|
|
DEBUG_IMX25_UART || \
|
|
DEBUG_IMX21_IMX27_UART || \
|
|
DEBUG_IMX31_IMX35_UART || \
|
|
DEBUG_IMX51_UART || \
|
|
DEBUG_IMX50_IMX53_UART ||\
|
|
DEBUG_IMX6Q_UART
|
|
default "debug/highbank.S" if DEBUG_HIGHBANK_UART
|
|
default "debug/mvebu.S" if DEBUG_MVEBU_UART
|
|
default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART
|
|
default "debug/socfpga.S" if DEBUG_SOCFPGA_UART
|
|
default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1
|
|
default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
|
|
DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
|
|
default "debug/tegra.S" if DEBUG_TEGRA_UART
|
|
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
|
|
default "mach/debug-macro.S"
|
|
|
|
config EARLY_PRINTK
|
|
bool "Early printk"
|
|
depends on DEBUG_LL
|
|
help
|
|
Say Y here if you want to have an early console using the
|
|
kernel low-level debugging functions. Add earlyprintk to your
|
|
kernel parameters to enable this console.
|
|
|
|
config OC_ETM
|
|
bool "On-chip ETM and ETB"
|
|
depends on ARM_AMBA
|
|
help
|
|
Enables the on-chip embedded trace macrocell and embedded trace
|
|
buffer driver that will allow you to collect traces of the
|
|
kernel code.
|
|
|
|
config ARM_KPROBES_TEST
|
|
tristate "Kprobes test module"
|
|
depends on KPROBES && MODULES
|
|
help
|
|
Perform tests of kprobes API and instruction set simulation.
|
|
|
|
config PID_IN_CONTEXTIDR
|
|
bool "Write the current PID to the CONTEXTIDR register"
|
|
depends on CPU_COPY_V6
|
|
help
|
|
Enabling this option causes the kernel to write the current PID to
|
|
the PROCID field of the CONTEXTIDR register, at the expense of some
|
|
additional instructions during context switch. Say Y here only if you
|
|
are planning to use hardware trace tools with this kernel.
|
|
|
|
endmenu
|