occurrence of non 0xaa bytes.
This default implementation works for stacks growing down only.
-menu "PowerPC SPL Boot options"
- depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
+menu "PowerPC and LayerScape SPL Boot options"
config SPL_NAND_BOOT
bool "Load SPL from NAND flash"
+ depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
config SPL_MMC_BOOT
bool "Load SPL from SD Card / eMMC"
+ depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
config SPL_SPI_BOOT
bool "Load SPL from SPI flash"
+ depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
config SPL_FSL_PBL
bool "Create SPL in Freescale PBI format"
+ depends on (PPC || ARCH_LS1021A || ARCH_LS1043A || ARCH_LS1046A) && \
+ SUPPORT_SPL
help
Create boot binary having SPL binary in PBI format concatenated with
u-boot binary.
config SPL_LDSCRIPT
string "Linker script for the SPL stage"
- default "arch/$(ARCH)/cpu/u-boot-spl.lds"
+ default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
help
The SPL stage will usually require a different linker-script
(as it runs from a different memory region) than the regular
default y
help
If this option is enabled, SPL will print the banner with version
- info. Disabling this option could be useful to reduce TPL boot time
+ info. Disabling this option could be useful to reduce SPL boot time
(e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
config TPL_BANNER_PRINT
depends on TPL
default y
help
- If this option is enabled, SPL will not print the banner with version
- info. Disabling this option could be useful to reduce SPL boot time
+ 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 SPL_EARLY_BSS
Address on the MMC to load U-Boot from, when the MMC is being used
in raw mode. Units: MMC sectors (1 sector = 512 bytes).
-config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
- int "Number of the eMMC boot partition to use"
- default 1
+config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET
+ hex "U-Boot main hardware partition image offset"
+ depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+ default 0x0
help
- eMMC boot partition number to use when the eMMC in raw mode.
+ On some platforms SPL location depends on hardware partition. The ROM
+ code skips the MBR sector when loading SPL from main hardware data
+ partition. This adds offset to the main U-Boot image. Set this symbol
+ to the number of skipped sectors.
+
+ If unsure, leave the default.
config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
bool "MMC Raw mode: by partition"
Partition Type on the MMC to load U-Boot from, when the MMC is being
used in raw mode.
+config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
+ bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition"
+ depends on SUPPORT_EMMC_BOOT
+ help
+ eMMC boot partition is normally configured by the bits of the EXT_CSD
+ register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some
+ cases it might be required in SPL to load the image from different
+ partition than the partition selected by EXT_CSC_PART_CONFIG register.
+ Enable this option if you intend to use an eMMC boot partition other
+ then selected via EXT_CSC_PART_CONFIG register and specify the custom
+ partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
+ option.
+
+config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
+ int "Number of the eMMC boot partition to use"
+ depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
+ default 1
+ help
+ eMMC boot partition number to use when the eMMC in raw mode and
+ the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL
+ by user defined partition number.
+
config SPL_CRC32_SUPPORT
bool "Support CRC32"
default y if SPL_LEGACY_IMAGE_SUPPORT
ensure this information is available to the next image
invoked).
+config SPL_CACHE_SUPPORT
+ bool "Support CACHE drivers"
+ help
+ Enable CACHE drivers in SPL. These drivers can keep data so that
+ future requests for that data can be served faster. Enable this option
+ to build the drivers in drivers/cache as part of an SPL build.
+
config SPL_CPU_SUPPORT
bool "Support CPU drivers"
help
this option to build system-specific drivers for hash acceleration
as part of an SPL build.
-config SPL_DMA_SUPPORT
+config SPL_DMA
bool "Support DMA drivers"
help
Enable DMA (direct-memory-access) drivers in SPL. These drivers
this option to build the drivers in drivers/mmc as part of an SPL
build.
-config SPL_FORCE_MMC_BOOT
- bool "Force SPL booting from MMC"
- depends on SPL_MMC_SUPPORT
- default n
- help
- Force SPL to use MMC device for Linux kernel booting even when the
- SoC ROM recognized boot medium is not eMMC/SD. This is crucial for
- factory or 'falcon mode' booting.
-
config SPL_MMC_TINY
bool "Tiny MMC framework in SPL"
depends on SPL_MMC_SUPPORT
README.ubispl for more info.
if SPL_DM
+config SPL_CACHE
+ depends on CACHE
+ bool "Support cache drivers in SPL"
+ help
+ Enable support for cache drivers in SPL.
+
config SPL_DM_SPI
bool "Support SPI DM drivers in SPL"
help
unless there are space reasons not to. Even then, consider
enabling SPL_USE_TINY_PRINTF which is a small printf() version.
+config SPL_SPI_SUPPORT
+ bool "Support SPI drivers"
+ help
+ Enable support for using SPI in SPL. This is used for connecting
+ to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
+ more details on that. The SPI driver provides the transport for
+ data between the SPI flash and the CPU. This option can be used to
+ enable SPI drivers that are needed for other purposes also, such
+ as a SPI PMIC.
+
config SPL_SPI_FLASH_SUPPORT
bool "Support SPI flash drivers"
+ depends on SPL_SPI_SUPPORT
help
Enable support for using SPI flash in SPL, and loading U-Boot from
SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
config SYS_SPI_U_BOOT_OFFS
hex "address of u-boot payload in SPI flash"
+ default 0x8000 if ARCH_SUNXI
default 0x0
depends on SPL_SPI_LOAD || SPL_SPI_SUNXI
help
Address within SPI-Flash from where the u-boot payload is fetched
from.
-config SPL_SPI_SUPPORT
- bool "Support SPI drivers"
- help
- Enable support for using SPI in SPL. This is used for connecting
- to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
- more details on that. The SPI driver provides the transport for
- data between the SPI flash and the CPU. This option can be used to
- enable SPI drivers that are needed for other purposes also, such
- as a SPI PMIC.
-
config SPL_THERMAL
bool "Driver support for thermal devices"
help
if TPL
+config TPL_SIZE_LIMIT
+ hex "Maximum size of TPL image"
+ depends on TPL
+ default 0
+ help
+ Specifies the maximum length of the U-Boot TPL image.
+ If this value is zero, it is ignored.
+
+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_HANDOFF
bool "Pass hand-off information from TPL to SPL and U-Boot proper"
depends on HANDOFF && TPL_BLOBLIST
string "Linker script for the TPL stage"
depends on TPL
default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
- default "arch/$(ARCH)/cpu/u-boot-spl.lds"
+ 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
projects / oweals / u-boot.git / blobdiff