diff options
Diffstat (limited to 'boot/Kconfig')
| -rw-r--r-- | boot/Kconfig | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/boot/Kconfig b/boot/Kconfig index 940389d4882..7ac34574079 100644 --- a/boot/Kconfig +++ b/boot/Kconfig @@ -745,6 +745,76 @@ config BOOTMETH_SCRIPT This provides a way to try out standard boot on an existing boot flow. It is not enabled by default to save space. +config UPL + bool "upl - Universal Payload Specification" + imply CMD_UPL + imply UPL_READ + imply UPL_WRITE + imply SPL_UPL if SPL + help + Provides support for UPL payloads and handoff information. U-Boot + supports generating and accepting handoff information. The mkimage + tool will eventually support creating payloads. + +if UPL + +config UPL_READ + bool "upl - Support reading a Universal Payload handoff" + help + Provides support for decoding a UPL-format payload into a C structure + which can be used elsewhere in U-Boot. This is just the reading + implementation, useful for trying it out. See UPL_IN for how + to tell U-Boot to actually read it on startup and use it for memory + and device information, etc. + +config UPL_WRITE + bool "upl - Support writing a Universal Payload handoff" + help + Provides support for encoding a UPL-format payload from a C structure + so it can be passed to another program. This is just the writing + implementation, useful for trying it out. See SPL_UPL_OUT + for how to tell U-Boot SPL to actually write it before jumping to + the next phase. + +config UPL_IN + bool "upl - Read the UPL handoff on startup" + select UPL_READ + help + Read an SPL handoff when U-Boot starts and use it to provide + devices, memory layout, etc. required by U-Boot. This allows U-Boot + to function as a payload in the meaning of the specification. + +if SPL + +config SPL_UPL + bool "Write a UPL handoff in SPL" + imply SPL_UPL_OUT + help + This tells SPL to write a UPL handoff and pass it to the next phase + (e.g. to U-Boot or another program which SPL loads and runs). THis + provides information to help that program run correctly and + efficiently on the machine. + +config SPL_UPL_WRITE + bool # upl - Support writing a Universal Payload handoff in SPL + select SPL_BLOBLIST + help + Provides support for encoding a UPL-format payload from a C structure + so it can be passed to another program. This is just the writing + implementation, useful for trying it out. + +config SPL_UPL_OUT + bool "upl - Support writing a Universal Payload handoff in SPL" + select SPL_UPL_WRITE + help + Provides support for encoding a UPL-format payload and passing it to + the next firmware phase. This allows U-Boot SPL to function as + Platform Init in the meaning of the specification. + +endif # SPL + +endif # UPL + endif # BOOTSTD config LEGACY_IMAGE_FORMAT |