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Diffstat (limited to 'common/spl/Kconfig.tpl')
| -rw-r--r-- | common/spl/Kconfig.tpl | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/common/spl/Kconfig.tpl b/common/spl/Kconfig.tpl new file mode 100644 index 0000000000..9a0e719cf9 --- /dev/null +++ b/common/spl/Kconfig.tpl @@ -0,0 +1,322 @@ +menu "TPL configuration options" + depends on TPL + +config TPL_SIZE_LIMIT + hex "Maximum size of TPL image" + default 0x0 + help + Specifies the maximum length of the U-Boot TPL image. + If this value is zero, it is ignored. + +config TPL_BINMAN_SYMBOLS + bool "Declare binman symbols in TPL" + depends on SPL_FRAMEWORK && BINMAN + default y + help + This enables use of symbols in TPL which refer to U-Boot, enabling TPL + to obtain the location of U-Boot simply by calling spl_get_image_pos() + and spl_get_image_size(). + + For this to work, you must have a U-Boot image in the binman image, so + binman can update TPL with the location of it. + +config TPL_FRAMEWORK + bool "Support TPL based upon the common SPL framework" + default y if SPL_FRAMEWORK + help + Enable the SPL framework under common/spl/ for TPL builds. + This framework supports MMC, NAND and YMODEM and other methods + loading of U-Boot's SPL stage. If unsure, say Y. + +config TPL_BANNER_PRINT + bool "Enable output of the TPL banner 'U-Boot TPL ...'" + default y + help + If this option is enabled, TPL will print the banner with version + info. Disabling this option could be useful to reduce TPL boot time + (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). + +config TPL_HANDOFF + bool "Pass hand-off information from TPL to SPL and U-Boot proper" + depends on HANDOFF && TPL_BLOBLIST + default y + help + This option enables TPL to write handoff information. This can be + used to pass information like the size of SDRAM from TPL to U-Boot + proper. The information is also available to SPL if it is useful + there. + +config TPL_BOARD_INIT + bool "Call board-specific initialization in TPL" + help + If this option is enabled, U-Boot will call the function + spl_board_init() from board_init_r(). This function should be + provided by the board. + +config TPL_BOOTCOUNT_LIMIT + bool "Support bootcount in TPL" + depends on TPL_ENV_SUPPORT + help + If this option is enabled, the TPL will support bootcount. + For example, it may be useful to choose the device to boot. + +config TPL_SYS_MALLOC_SIMPLE + bool + prompt "Only use malloc_simple functions in the TPL" + help + Say Y here to only use the *_simple malloc functions from + malloc_simple.c, rather then using the versions from dlmalloc.c; + this will make the TPL binary smaller at the cost of more heap + usage as the *_simple malloc functions do not re-use free-ed mem. + +config TPL_SEPARATE_BSS + bool "BSS section is in a different memory region from text" + default y if SPL_SEPARATE_BSS + help + Some platforms need a large BSS region in TPL and can provide this + because RAM is already set up. In this case BSS can be moved to RAM. + This option should then be enabled so that the correct device tree + location is used. Normally we put the device tree at the end of BSS + but with this option enabled, it goes at _image_binary_end. + +config TPL_LDSCRIPT + string "Linker script for the TPL stage" + default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64 + default "arch/\$(ARCH)/cpu/u-boot-spl.lds" + help + The TPL stage will usually require a different linker-script + (as it runs from a different memory region) than the regular + U-Boot stage. Set this to the path of the linker-script to + be used for TPL. + + May be left empty to trigger the Makefile infrastructure to + fall back to the linker-script used for the SPL stage. + +config TPL_NEEDS_SEPARATE_STACK + bool "TPL needs a separate initial stack-pointer" + help + Enable, if the TPL stage should not inherit its initial + stack-pointer from the settings for the SPL stage. + +config TPL_POWER + bool "Support power drivers" + help + Enable support for power control in TPL. This includes support + for PMICs (Power-management Integrated Circuits) and some of the + features provided by PMICs. In particular, voltage regulators can + be used to enable/disable power and vary its voltage. That can be + useful in TPL to turn on boot peripherals and adjust CPU voltage + so that the clock speed can be increased. This enables the drivers + in drivers/power, drivers/power/pmic and drivers/power/regulator + as part of an TPL build. + +config TPL_TEXT_BASE + hex "Base address for the .text section of the TPL stage" + default 0 + help + The base address for the .text section of the TPL stage. + +config TPL_MAX_SIZE + hex "Maximum size (in bytes) for the TPL stage" + default 0x2e000 if ROCKCHIP_RK3399 + default 0x8000 if ROCKCHIP_RK3288 + default 0x7000 if ROCKCHIP_RK322X || ROCKCHIP_RK3328 || ROCKCHIP_RK3368 + default 0x2800 if ROCKCHIP_PX30 + default 0x0 + help + The maximum size (in bytes) of the TPL stage. + +config TPL_STACK + hex "Address of the initial stack-pointer for the TPL stage" + depends on TPL_NEEDS_SEPARATE_STACK + help + The address of the initial stack-pointer for the TPL stage. + Usually this will be the (aligned) top-of-stack. + +config TPL_READ_ONLY + bool + depends on TPL_OF_PLATDATA + select TPL_OF_PLATDATA_NO_BIND + select TPL_OF_PLATDATA_RT + help + Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only + section of memory. This means that of-platdata must make a copy (in + writeable memory) of anything it wants to modify, such as + device-private data. + +config TPL_BOOTROM_SUPPORT + bool "Support returning to the BOOTROM (from TPL)" + help + Some platforms (e.g. the Rockchip RK3368) provide support in their + ROM for loading the next boot-stage after performing basic setup + from the TPL stage. + + Enable this option, to return to the BOOTROM through the + BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the + boot device list, if not implemented for a given board) + +config TPL_CRC32 + bool "Support CRC32 in TPL" + default y if TPL_ENV_SUPPORT || TPL_BLOBLIST + help + Enable this to support CRC32 in uImages or FIT images within SPL. + This is a 32-bit checksum value that can be used to verify images. + For FIT images, this is the least secure type of checksum, suitable + for detected accidental image corruption. For secure applications you + should consider SHA1 or SHA256. + +config TPL_DRIVERS_MISC + bool "Support misc drivers in TPL" + help + Enable miscellaneous drivers in TPL. These drivers perform various + tasks that don't fall nicely into other categories, Enable this + option to build the drivers in drivers/misc as part of an TPL + build, for those that support building in TPL (not all drivers do). + +config TPL_ENV_SUPPORT + bool "Support an environment" + help + Enable environment support in TPL. See SPL_ENV_SUPPORT for details. + +config TPL_GPIO + bool "Support GPIO in TPL" + help + Enable support for GPIOs (General-purpose Input/Output) in TPL. + GPIOs allow U-Boot to read the state of an input line (high or + low) and set the state of an output line. This can be used to + drive LEDs, control power to various system parts and read user + input. GPIOs can be useful in TPL to enable a 'sign-of-life' LED, + for example. Enable this option to build the drivers in + drivers/gpio as part of an TPL build. + +config TPL_I2C + bool "Support I2C" + help + Enable support for the I2C bus in TPL. See SPL_I2C for + details. + +config TPL_LIBCOMMON_SUPPORT + bool "Support common libraries" + help + Enable support for common U-Boot libraries within TPL. See + SPL_LIBCOMMON_SUPPORT for details. + +config TPL_LIBGENERIC_SUPPORT + bool "Support generic libraries" + help + Enable support for generic U-Boot libraries within TPL. See + SPL_LIBGENERIC_SUPPORT for details. + +config TPL_MPC8XXX_INIT_DDR + bool "Support MPC8XXX DDR init" + help + Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See + SPL_MPC8XXX_INIT_DDR for details. + +config TPL_MMC + bool "Support MMC" + depends on MMC + help + Enable support for MMC within TPL. See SPL_MMC for details. + +config TPL_NAND_SUPPORT + bool "Support NAND flash" + help + Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. + +config TPL_PCI + bool "Support PCI drivers" + help + Enable support for PCI in TPL. For platforms that need PCI to boot, + or must perform some init using PCI in SPL, this provides the + necessary driver support. This enables the drivers in drivers/pci + as part of a TPL build. + +config TPL_PCH + bool "Support PCH drivers" + help + Enable support for PCH (Platform Controller Hub) devices in TPL. + These are used to set up GPIOs and the SPI peripheral early in + boot. This enables the drivers in drivers/pch as part of a TPL + build. + +config TPL_RAM_SUPPORT + bool "Support booting from RAM" + help + Enable booting of an image in RAM. The image can be preloaded or + it can be loaded by TPL directly into RAM (e.g. using USB). + +config TPL_RAM_DEVICE + bool "Support booting from preloaded image in RAM" + depends on TPL_RAM_SUPPORT + help + Enable booting of an image already loaded in RAM. The image has to + be already in memory when TPL takes over, e.g. loaded by the boot + ROM. + +config TPL_RTC + bool "Support RTC drivers" + help + Enable RTC (Real-time Clock) support in TPL. This includes support + for reading and setting the time. Some RTC devices also have some + non-volatile (battery-backed) memory which is accessible if + needed. This enables the drivers in drivers/rtc as part of an TPL + build. + +config TPL_SERIAL + bool "Support serial" + select TPL_PRINTF + select TPL_STRTO + help + Enable support for serial in TPL. See SPL_SERIAL for + details. + +config TPL_SPI_FLASH_SUPPORT + bool "Support SPI flash drivers" + help + Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT + for details. + +config TPL_SPI_FLASH_TINY + bool "Enable low footprint TPL SPI Flash support" + depends on TPL_SPI_FLASH_SUPPORT && !SPI_FLASH_BAR + default y if SPI_FLASH + help + Enable lightweight TPL SPI Flash support that supports just reading + data/images from flash. No support to write/erase flash. Enable + this if you have TPL size limitations and don't need full-fledged + SPI flash support. + +config TPL_SPI_LOAD + bool "Support loading from SPI flash" + depends on TPL_SPI_FLASH_SUPPORT + help + Enable support for loading next stage, U-Boot or otherwise, from + SPI NOR in U-Boot TPL. + +config TPL_SPI + bool "Support SPI drivers" + help + Enable support for using SPI in TPL. See SPL_SPI for + details. + +config TPL_DM_SPI + bool "Support SPI DM drivers in TPL" + help + Enable support for SPI DM drivers in TPL. + +config TPL_DM_SPI_FLASH + bool "Support SPI DM FLASH drivers in TPL" + help + Enable support for SPI DM flash drivers in TPL. + +config TPL_YMODEM_SUPPORT + bool "Support loading using Ymodem" + depends on TPL_SERIAL + help + While loading from serial is slow it can be a useful backup when + there is no other option. The Ymodem protocol provides a reliable + means of transmitting U-Boot over a serial line for using in TPL, + with a checksum to ensure correctness. + +endmenu |