From 96fdbec2f96c9e11758c8742409069eeef841722 Mon Sep 17 00:00:00 2001 From: R Sricharan Date: Mon, 4 Mar 2013 20:04:44 +0000 Subject: [PATCH] ARM: mmu: Introduce weak dram_bank_setup function Introduce a weak version of dram_bank_setup function to allow a platform specific function. This is used in the subsequent patch to setup dram region without 'XN' attribute in order to enable the region under client permissions. Signed-off-by: R Sricharan Cc: Vincent Stehle Cc: Tom Rini Cc: Albert ARIBAUD --- arch/arm/include/asm/cache.h | 1 + arch/arm/lib/cache-cp15.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h index 416d2c8f93..8153484899 100644 --- a/arch/arm/include/asm/cache.h +++ b/arch/arm/include/asm/cache.h @@ -43,6 +43,7 @@ void l2_cache_enable(void); void l2_cache_disable(void); void set_section_dcache(int section, enum dcache_option option); +void dram_bank_mmu_setup(int bank); /* * The current upper bound for ARM L1 data cache line sizes is 64 bytes. We * use that value for aligning DMA buffers unless the board config has specified diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c index b6e5e95530..6ecbedfed9 100644 --- a/arch/arm/lib/cache-cp15.c +++ b/arch/arm/lib/cache-cp15.c @@ -23,6 +23,8 @@ #include #include +#include +#include #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) @@ -77,7 +79,7 @@ void mmu_set_region_dcache_behaviour(u32 start, int size, mmu_page_table_flush((u32)&page_table[start], (u32)&page_table[end]); } -static inline void dram_bank_mmu_setup(int bank) +__weak void dram_bank_mmu_setup(int bank) { bd_t *bd = gd->bd; int i; -- 2.39.2