[PATCH v5 06/22] sh: FDT address save before bank change
From: Yoshinori Sato <ysato@users.sourceforge.jp>
Date: 2016-07-03 16:47:28
Also in:
lkml
Subsystem:
superh, the rest · Maintainers:
Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz, Linus Torvalds
SH3/4 have register bank of R0-R7. Preset FDT address assigned bank depend on boot loader. Before setting a bank because we don't depend on a boot loader, it's evacuated. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> --- arch/sh/kernel/head_32.S | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S
index 974bc15..ef44fe8 100644
--- a/arch/sh/kernel/head_32.S
+++ b/arch/sh/kernel/head_32.S@@ -58,6 +58,9 @@ ENTRY(empty_zero_page) * */ ENTRY(_stext) +#ifdef CONFIG_OF + mov r4, r12 ! Store device tree blob pointer +#endif ! Initialize Status Register mov.l 1f, r0 ! MD=1, RB=0, BL=0, IMASK=0xF ldc r0, sr
@@ -67,10 +70,6 @@ ENTRY(_stext) ldc r0, r6_bank #endif -#ifdef CONFIG_OF - mov r4, r12 ! Store device tree blob pointer in r12 -#endif - /* * Prefetch if possible to reduce cache miss penalty. *
--
2.7.0