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Groups > linux.kernel > #1420171
| From | Yoshinori Sato <ysato@users.sourceforge.jp> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 06/17] sh: FDT address save before bank change |
| Date | 2016-06-12 09:00 +0200 |
| Message-ID | <rJ7xf-5js-5@gated-at.bofh.it> (permalink) |
| References | <rJ7xf-5js-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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..fbf5f84 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 in r12 +#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
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[PATCH v2 06/17] sh: FDT address save before bank change Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
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