We can use this C function to do the early memory layout and init.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 arch/arm/lib/crt0_64.S | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/arch/arm/lib/crt0_64.S b/arch/arm/lib/crt0_64.S
index 1654011..33432f2 100644
--- a/arch/arm/lib/crt0_64.S
+++ b/arch/arm/lib/crt0_64.S
@@ -61,19 +61,12 @@ ENTRY(_main)
 /*
  * Set up initial C runtime environment and call board_init_f(0).
  */
-       ldr     x0, =(CONFIG_SYS_INIT_SP_ADDR)
-       sub     x18, x0, #GD_SIZE       /* allocate one GD above SP */
-       bic     x18, x18, #0x7          /* 8-byte alignment for GD */
-zero_gd:
-       sub     x0, x0, #0x8
-       str     xzr, [x0]
-       cmp     x0, x18
-       b.gt    zero_gd
-#if defined(CONFIG_SYS_MALLOC_F_LEN)
-       sub     x0, x18, #CONFIG_SYS_MALLOC_F_LEN
-       str     x0, [x18, #GD_MALLOC_BASE]
-#endif
-       bic     sp, x0, #0xf    /* 16-byte alignment for ABI compliance */
+       ldr     sp, =(CONFIG_SYS_INIT_SP_ADDR)
+
+       mov     x0, sp
+       bl      board_init_f_mem
+
+       mov     sp, x0
        mov     x0, #0
        bl      board_init_f
 
-- 
2.2.0.rc0.207.ga3a616c

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