[U-Boot] [RFC 01/10] ARM: crt0.S: clear the global data

NOTE: smdk5420 snow smdkv310 apf27 arndale origen vpac270_ond_256 smdk5250 don't have a memset available. --- arch/arm/lib/crt0.S | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S index dfc2de9..52b6f74 100644 --- a/arch/arm/lib/crt0.S +++ b/arch/arm/lib/crt0.S @@ -70,6 +70,12 @@ ENTRY(_main) sub sp, sp, #GD_SIZE /* allocate one GD above SP */ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ mov r9, sp /* GD is above SP */ + + mov r0, r9 /* Clear the global data */ + mov r1, #0 + mov r2, #GENERATED_GBL_DATA_SIZE + bl memset + mov r0, #0 bl board_init_f