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MIPS: head.S: Init fw_passed_dtb to builtin DTB

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Init the 'fw_passed_dtb' pointer to the buit-in Device Tree blob when it
has been compiled in with CONFIG_BUILTIN_DTB.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Paul Cercueil
2020-07-30 18:12:30 +02:00
committed by Thomas Bogendoerfer
parent c3028b951e
commit 37e5c69ffd
1 changed files with 6 additions and 0 deletions
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6
arch/mips/kernel/head.S
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@@ -111,6 +111,12 @@ NESTED(kernel_entry, 16, sp) # kernel entry point
move t2, a1 move t2, a1
beq a0, t1, dtb_found beq a0, t1, dtb_found
#ifdef CONFIG_BUILTIN_DTB
PTR_LA t2, __dtb_start
PTR_LA t1, __dtb_end
bne t1, t2, dtb_found
#endif /* CONFIG_BUILTIN_DTB */
li t2, 0 li t2, 0
dtb_found: dtb_found:
#endif /* CONFIG_USE_OF */ #endif /* CONFIG_USE_OF */