[U-Boot] [PATCH] arch/arm: Add individual TLB size support.

This adds CONFIG_TLB_SIZE for individual board, whose TLB size maybe larger than PGTABLE_SIZE.

Signed-off-by: Xiubo Li Li.Xiubo@freescale.com --- arch/arm/lib/board.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index dc34190..b7327ce 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -353,7 +353,11 @@ void board_init_f(ulong bootflag)

#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) /* reserve TLB table */ +#ifdef CONFIG_TLB_SIZE + gd->arch.tlb_size = CONFIG_TLB_SIZE; +#else gd->arch.tlb_size = PGTABLE_SIZE; +#endif addr -= gd->arch.tlb_size;

/* round down to next 64 kB limit */