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| author | Niko Mauno <niko.mauno@vaisala.com> | 2021-02-22 19:18:51 +0000 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-05-04 12:52:46 -0400 |
| commit | f0b21ebd417cfe75f266b4dc16318bb3581783b9 (patch) | |
| tree | 6331512066c3a921df043a1b6ba8b7c679a98230 /include/fdt_support.h | |
| parent | 653cd92d66771cf1fbd1b7612b06a0874d316654 (diff) | |
| download | u-boot-f0b21ebd417cfe75f266b4dc16318bb3581783b9.tar.gz u-boot-f0b21ebd417cfe75f266b4dc16318bb3581783b9.tar.bz2 u-boot-f0b21ebd417cfe75f266b4dc16318bb3581783b9.zip | |
fdt_support.c: Allow late kernel cmdline modification
By declaring board-specific board_fdt_chosen_bootargs() the kernel
command line arguments can be adjusted before injecting to flat dt
chosen node.
Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Diffstat (limited to 'include/fdt_support.h')
| -rw-r--r-- | include/fdt_support.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/fdt_support.h b/include/fdt_support.h index 46eb1dbbb2..e2a4689cd8 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -185,6 +185,16 @@ int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name); */ int ft_board_setup(void *blob, struct bd_info *bd); +/** + * board_fdt_chosen_bootargs() - Arbitrarily amend fdt kernel command line + * + * This is used for late modification of kernel command line arguments just + * before they are added into the /chosen node in flat device tree. + * + * @return: pointer to kernel command line arguments in memory + */ +char *board_fdt_chosen_bootargs(void); + /* * The keystone2 SOC requires all 32 bit aliased addresses to be converted * to their 36 physical format. This has to happen after all fdt nodes |