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

[Jeroen Hofstee]

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
 
-- 
1.8.3.2