From b4ee1491b917951c0f57e18fd816a4211f5829d4 Mon Sep 17 00:00:00 2001 From: Albert ARIBAUD Date: Tue, 15 Apr 2014 16:13:47 +0200 Subject: [PATCH] arm1136: move cache code from start.S to cache.c arch/arm/cpu/arm1136/start.S contain a cache flushing function. Remove the function and move its code into arch/arm/lib/cache.c. Signed-off-by: Albert ARIBAUD --- arch/arm/cpu/arm1136/start.S | 10 ---------- arch/arm/lib/cache.c | 13 ++++++++++--- 2 files changed, 10 insertions(+), 13 deletions(-) diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S index 3e2358e..0085754 100644 --- a/arch/arm/cpu/arm1136/start.S +++ b/arch/arm/cpu/arm1136/start.S @@ -333,14 +333,4 @@ fiq: bl do_fiq #endif - .align 5 -.global arm1136_cache_flush -arm1136_cache_flush: -#if !defined(CONFIG_SYS_ICACHE_OFF) - mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache -#endif -#if !defined(CONFIG_SYS_DCACHE_OFF) - mcr p15, 0, r1, c7, c14, 0 @ invalidate D cache -#endif - mov pc, lr @ back to caller #endif /* CONFIG_SPL_BUILD */ diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index 6cc136a..4f6b9f0 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -12,16 +12,23 @@ void __flush_cache(unsigned long start, unsigned long size) { #if defined(CONFIG_ARM1136) - void arm1136_cache_flush(void); - arm1136_cache_flush(); +#if !defined(CONFIG_SYS_ICACHE_OFF) + asm("mcr p15, 0, r1, c7, c5, 0"); /* invalidate I cache */ #endif + +#if !defined(CONFIG_SYS_DCACHE_OFF) + asm("mcr p15, 0, r1, c7, c14, 0"); /* Clean+invalidate D cache */ +#endif + +#endif /* CONFIG_ARM1136 */ + #ifdef CONFIG_ARM926EJS /* test and clean, page 2-23 of arm926ejs manual */ asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory"); /* disable write buffer as well (page 2-22) */ asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)); -#endif +#endif /* CONFIG_ARM926EJS */ return; } void flush_cache(unsigned long start, unsigned long size) -- 2.7.4