Hi Xiubo, On Mon, 7 Jul 2014 13:19:11 +0800, Xiubo Li <li.xi...@freescale.com> wrote:
> This adds CONFIG_TLB_SIZE for individual board, whose TLB size maybe > larger than PGTABLE_SIZE. > > Signed-off-by: Xiubo Li <li.xi...@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 */ There is no code in current mainline which defines CONFIG_TLB_SIZE; that makes the patch a dead code addition. Besides, what's the point of this as opposed to, e.g., just defining the right PGTABLE_SIZE, or renaming PGTABLE_SIZE as CONFIG_TLB_SIZE? Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
