Kconfig - OpenGrok cross reference for /OK3568_Linux_fs/u-boot/common/spl/Kconfig

35 	default "arch/$(ARCH)/cpu/u-boot-spl.lds"
38 	  The SPL stage will usually require a different linker-script
40 	  U-Boot stage.	 Set this to the path of the linker-script to
44 	bool "Call board-specific initialization in SPL"
46 	  If this option is enabled, U-Boot will call the function
54 	  ROM for loading the next boot-stage after performing basic setup
58 	  BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
67 	  is y. If this is not set, SPL will move on to other available
75 	  is y. If this is not set, SPL will move on to other available
85 	  usage as the *_simple malloc functions do not re-use free-ed mem.
94 	  usage as the *_simple malloc functions do not re-use free-ed mem.
103 	  location for the SPL stack. U-Boot SPL switches to this after
110 	  Specify the address in SDRAM for the SPL stack. This will be set up
119 	  malloc_simple after switching the stack to DRAM. This may be set
127 	  because RAM is already set up. In this case BSS can be moved to RAM.
133 	bool "Display a board-specific message in SPL"
135 	  If this option is enabled, U-Boot will call the function
137 	  banner ("U-Boot SPL ..."). This function should be provided by
148 	bool "SPL boot image load support"
151 	  This enable SPL boot image load support
171 	  Use sector number for specifying U-Boot location on MMC/SD in
175 	hex "Address on the MMC to load U-Boot from"
187 	  Address on the MMC to load U-Boot from, when the MMC is being used
194 	  Use a partition for loading U-Boot when using MMC/SD in raw mode.
197 	hex "Partition to use to load U-Boot from"
201 	  Partition on the MMC to load U-Boot from when the MMC is being
208 	  Use partition type for specifying U-Boot partition on MMC/SD in
209 	  raw mode. U-Boot will be loaded from the first partition of this
213 	string "Partition Name on the MMC to load U-Boot from"
217           Partition Name on the MMC to load U-Boot from, when the MMC is being
221 	hex "Partition Type on the MMC to load U-Boot from"
224 	  Partition Type on the MMC to load U-Boot from, when the MMC is being
228 	hex "Sector address to load misc in SPL"
237 	  32-bit checksum value that can be used to verify images. This is
247 	  checksum is a 128-bit hash value used to check that the image
249 	  secure as it is possible (with a brute-force attack) to adjust the
260 	  checksum is a 160-bit (20-byte) hash value used to check that the
263 	  due to the expanding computing power avaiable to brute-force
272 	  checksum is a 256-bit (32-byte) hash value used to check that the
278 	  supported in U-Boot.
290 	  first image to be treated as having a U-Boot style calling
299 	  Enable this to support CPU drivers in SPL. These drivers can set
320 	  this option to build system-specific drivers for hash acceleration
326 	  Enable DMA (direct-memory-access) drivers in SPL. These drivers
327 	  can be used to handle memory-to-peripheral data transfer without
342 	  Enable environment support in SPL. The U-Boot environment provides
344 	  control many aspects of U-Boot's operation. Normally this is not
348 	  starting U-Boot first. Enabling this option will make env_get()
359 	  different images based on environment variable set by OS. For
360 	  example OS may set "reboot_image" environment variable to
370 	  drivers in SPL. This permits SPL to load U-Boot over an Ethernet
371 	  link rather than from an on-board peripheral. Environment support
379 	  U-Boot (or Linux in Falcon mode) to be loaded from an EXT
388 	  permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
395 	  Enable support for FPGAs in SPL. Field-programmable Gate Arrays
396 	  provide software-configurable hardware which is typically used to
406 	  Enable support for GPIOs (General-purpose Input/Output) in SPL.
407 	  GPIOs allow U-Boot to read the state of an input line (high or
408 	  low) and set the state of an output line. This can be used to
410 	  input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
417 	  Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
430 	  Enable support for common U-Boot libraries within SPL. These
431 	  libraries include common code to deal with U-Boot images,
440 	  of a misnomer as it includes non-spinning media such as flash (as
447 	  U-Boot to also be used in SPL. It brings in the code in disk/.
452 	  Enable support for generic U-Boot libraries within SPL. These
480 	  Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
481 	  random-access memory) on the MPC8XXX family within SPL. This
482 	  allows DRAM to be set up before loading U-Boot into that DRAM,
490 	  SPI flash. This allows SPL to load U-Boot from supported MTD
495 	hex "Location in MTD block to read U-Boot from"
499 	  Set the offset from the start of the nand,spi nand and nor flash where
500 	  u-boot should be loaded from.
514 	  the drivers in drivers/usb/musb-new as part of an SPL build. The
521 	  can be used to allow SPL to load U-Boot from supported devices.
529 	  This permits SPL to load U-Boot over a network link rather than
530 	  from an on-board peripheral. Environment support is required since
540 	  of a client.  This is often used in practice to allow for the DHCP
541 	  server to specify different files to load depending on if the ROM,
542 	  SPL or U-Boot itself makes the request
548 	  This is specific to the ARM926EJ-S CPU. It disables the standard
549 	  start.S start-up code, presumably so that a replacement can be
556 	  Enable support for loading U-Boot from memory-mapped NOR (Negative
558 	  a memory-mapped device makes it very easy to access. Loading from
565 	  Enable support for execute in place of U-Boot or kernel image. There
568 	  enough ram to load the image.
574 	  a type of NAND flash and therefore can be used to allow SPL to
575 	  load U-Boot from supported devices. This enables the drivers in
608 	  These are used to set up GPIOs and the SPI peripheral early in
621 	  Enable support for POST (Power-on Self Test) in SPL. POST is a
631 	  for PMICs (Power-management Integrated Circuits) and some of the
636 	  in drivers/power, drivers/power/pmic and drivers/power/regulator
665 	  Enable RTC (Real-time Clock) support in SPL. This includes support
667 	  non-volatile (battery-backed) memory which is accessible if
676 	  loading U-Boot. SATA is used in higher-end embedded systems and
693 	  Enable support for using SPI flash in SPL, and loading U-Boot from
696 	  but fast bidirectional 4-wire bus (clock, chip select and two data
710 	hex "Location in RKNAND block to read U-Boot from"
714 	  Set the offset from the start of the rknand device where
715 	  u-boot should be loaded from.
739 	  Enable support for loading next stage, U-Boot or otherwise, from
740 	  SPI NOR in U-Boot SPL.
748 	  to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
758 	  SPL can load U-Boot from a connected USB peripheral, such as a USB
769 	  devices such as hard drives and flash drivers for loading U-Boot.
770 	  The actual drivers are enabled separately using the normal U-Boot
786 	  drivers in SPL. This permits SPL to load U-Boot over a
787 	  USB-connected Ethernet link (such as a USB Ethernet dongle) rather
799 	  RAM memory device support. The ROM code will load and execute
800 	  the SPL built with dfu. The user can load binaries (u-boot/kernel) to
801 	  selected device partition from host-pc using dfu-utils.
802 	  This feature is useful to flash the binaries to factory or bare-metal
814 	 (u-boot/kernel) to the selected device partition using
815 	 DFU and execute the u-boot/kernel from RAM.
840 	  means of transmitting U-Boot over a serial line for using in SPL,
849 	  More detail at: https://github.com/ARM-software/arm-trusted-firmware
852 	bool "Support OP-TEE Trusted OS"
855 	  OP-TEE is an open source Trusted OS  which is loaded by SPL.
856 	  More detail at: https://github.com/OP-TEE/optee_os
864 	  not U-Boot aware and have an insufficiently robust parameter
867 	  If this option is enabled, the spl_atf os-type handler will
879 	bool "Support OP-TEE Trusted OS"
882 	  OP-TEE is an open source Trusted OS  which is loaded by SPL.
883 	  More detail at: https://github.com/OP-TEE/optee_os
892 	bool "SPL support load rockchip firmware images"
895 	  This enables SPL support load rockchip firmware images.
897 	  for trust and U-Boot images.
900 	hex "rockchip trust image load sector"
905 	hex "rockchip uboot image load sector"
910         hex "rockchip boot image load sector"
928 	hex "Sector address to load kernel in SPL"
935 	hex "Kernel load address in spl"
939 	  Define the kernel address where load kernel image to.
946 	  Load compressed kernel in this address, then call the
958 	hex "Device tree blob load address in spl"
962 	  Define the fdt address where load dtb image to.
966 	hex "Ramdisk load address in spl"
970 	  Define the ramdisk address where load ramdisk image to.
977 	  Load compressed ramdisk in this address, then call the
999 	bool "Call board-specific initialization in TPL"
1001 	  If this option is enabled, U-Boot will call the function
1009 	  The TPL stage will usually require a different linker-script
1011 	  U-Boot stage.  Set this to the path of the linker-script to
1015 	  fall back to the linker-script used for the SPL stage.
1018         bool "TPL needs a separate text-base"
1022 	  Enable, if the TPL stage should not inherit its text-base
1024 	  .text sections of the TPL stage has to be set below.
1027         bool "TPL needs a separate initial stack-pointer"
1032 	  stack-pointer from the settings for the SPL stage.
1048         hex "Address of the initial stack-pointer for the TPL stage"
1051 	  The address of the initial stack-pointer for the TPL stage.
1052 	  Usually this will be the (aligned) top-of-stack.
1058 	  ROM for loading the next boot-stage after performing basic setup
1062 	  BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
1087 	  Enable support for common U-Boot libraries within TPL. See
1093 	  Enable support for generic U-Boot libraries within TPL. See
1104 	  Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See