From 9d760b810e184479c65c2537594beaf4657f02ed Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Tue, 6 Aug 2024 10:40:46 +0530 Subject: lib: utils/fdt: Allow dynamic registration of FDT fixup callbacks It should possible to fixup FDT from any part of OpenSBI so add fdt_register_general_fixup() which allows dynamic registration of FDT fixup callbacks. Signed-off-by: Anup Patel --- include/sbi_utils/fdt/fdt_fixup.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include') diff --git a/include/sbi_utils/fdt/fdt_fixup.h b/include/sbi_utils/fdt/fdt_fixup.h index 21a53011..93249968 100644 --- a/include/sbi_utils/fdt/fdt_fixup.h +++ b/include/sbi_utils/fdt/fdt_fixup.h @@ -9,6 +9,8 @@ #ifndef __FDT_FIXUP_H__ #define __FDT_FIXUP_H__ +#include + struct sbi_cpu_idle_state { const char *name; uint32_t suspend_param; @@ -93,6 +95,19 @@ void fdt_plic_fixup(void *fdt); */ int fdt_reserved_memory_fixup(void *fdt); +/** Representation of a general fixup */ +struct fdt_general_fixup { + struct sbi_dlist head; + const char *name; + void (*do_fixup)(struct fdt_general_fixup *f, void *fdt); +}; + +/** Register a general fixup */ +int fdt_register_general_fixup(struct fdt_general_fixup *fixup); + +/** UnRegister a general fixup */ +void fdt_unregister_general_fixup(struct fdt_general_fixup *fixup); + /** * General device tree fix-up * -- cgit v1.3.1