diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Kconfig | 2 | ||||
| -rw-r--r-- | common/spl/Kconfig | 67 |
2 files changed, 69 insertions, 0 deletions
diff --git a/common/Kconfig b/common/Kconfig index 63c4a67..35f4279 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -213,3 +213,5 @@ config VERSION_VARIABLE version as printed by the "version" command. Any change to this variable will be reverted at the next reset. + +source "common/spl/Kconfig" diff --git a/common/spl/Kconfig b/common/spl/Kconfig new file mode 100644 index 0000000..2d2256a --- /dev/null +++ b/common/spl/Kconfig @@ -0,0 +1,67 @@ +config SUPPORT_SPL + bool + +config SUPPORT_TPL + bool + +config SPL + bool + depends on SUPPORT_SPL + prompt "Enable SPL" + help + If you want to build SPL as well as the normal image, say Y. + +config SPL_SYS_MALLOC_SIMPLE + bool + depends on SPL + prompt "Only use malloc_simple functions in the SPL" + 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 SPL binary smaller at the cost of more heap + usage as the *_simple malloc functions do not re-use free-ed mem. + +config SPL_STACK_R + depends on SPL + bool "Enable SDRAM location for SPL stack" + help + SPL starts off execution in SRAM and thus typically has only a small + stack available. Since SPL sets up DRAM while in its board_init_f() + function, it is possible for the stack to move there before + board_init_r() is reached. This option enables a special SDRAM + location for the SPL stack. U-Boot SPL switches to this after + board_init_f() completes, and before board_init_r() starts. + +config SPL_STACK_R_ADDR + depends on SPL_STACK_R + hex "SDRAM location for SPL stack" + help + Specify the address in SDRAM for the SPL stack. This will be set up + before board_init_r() is called. + +config SPL_STACK_R_MALLOC_SIMPLE_LEN + depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE + hex "Size of malloc_simple heap after switching to DRAM SPL stack" + default 0x100000 + help + Specify the amount of the stack to use as memory pool for + malloc_simple after switching the stack to DRAM. This may be set + to give board_init_r() a larger heap then the initial heap in + SRAM which is limited to SYS_MALLOC_F_LEN bytes. + +config SPL_SEPARATE_BSS + depends on SPL + bool "BSS section is in a different memory region from text" + help + Some platforms need a large BSS region in SPL 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 + bool + depends on SPL && SUPPORT_TPL + prompt "Enable TPL" + help + If you want to build TPL as well as the normal image and SPL, say Y. |