Add fixup_dtb() to struct board

This will be called after the dtb was found and (possibly) relocated, so board specific DT cleanups can be implemented.
zonque · Jun 11, 2018 · 40d24e6 · 40d24e6
1 parent eaa2fa4
commit 40d24e6
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diff --git a/board.h b/board.h
@@ -4,11 +4,14 @@
 #include "types.h"
 #include "atags.h"
 
+struct board;
+
 struct board {
 	void		*dtb;
 	size_t		dtb_size;
 	void		*kernel;
 	const char	*compatible;
+	void		(*fixup_dtb)(const struct board *);
 };
 
 struct board *match_board(u32 machid, const struct tag *);

diff --git a/main.c b/main.c
@@ -50,11 +50,15 @@ void main(u32 dummy, u32 machid, struct tag *tags)
 #ifdef RELOCATE_DTB
 		dtb = RELOCATE_DTB;
 		memcpy(dtb, board->dtb, board->dtb_size);
+		board->dtb = dtb;
 #else
 		dtb = board->dtb;
 #endif
 	}
 
+	if (board->fixup_dtb)
+		board->fixup_dtb(board);
+
 	putstr("Booting into Linux kernel ...\n");
 	start_kernel(0, 0xffffffff, dtb);
 }