diff options
Diffstat (limited to 'arch/sh/kernel/head_32.S')
| -rw-r--r-- | arch/sh/kernel/head_32.S | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index 7db248936b60..b603b7968b38 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -1,14 +1,11 @@ -/* $Id: head.S,v 1.7 2003/09/01 17:58:19 lethal Exp $ +/* SPDX-License-Identifier: GPL-2.0 + * $Id: head.S,v 1.7 2003/09/01 17:58:19 lethal Exp $ * * arch/sh/kernel/head.S * * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima * Copyright (C) 2010 Matt Fleming * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * * Head.S contains the SH exception handlers and startup code. */ #include <linux/init.h> @@ -66,6 +63,10 @@ ENTRY(_stext) mov #0, r0 ldc r0, r6_bank #endif + +#ifdef CONFIG_OF_EARLY_FLATTREE + mov r4, r12 ! Store device tree blob pointer in r12 +#endif /* * Prefetch if possible to reduce cache miss penalty. @@ -314,6 +315,12 @@ ENTRY(_stext) 10: #endif +#ifdef CONFIG_OF_EARLY_FLATTREE + mov.l 8f, r0 ! Make flat device tree available early. + jsr @r0 + mov r12, r4 +#endif + ! Additional CPU initialization mov.l 6f, r0 jsr @r0 @@ -339,6 +346,9 @@ ENTRY(stack_start) 5: .long start_kernel 6: .long cpu_init 7: .long init_thread_union +#if defined(CONFIG_OF_EARLY_FLATTREE) +8: .long sh_fdt_init +#endif #ifdef CONFIG_PMB .LPMB_ADDR: .long PMB_ADDR |