We can use this C function to do the early memory layout and init.
Signed-off-by: Simon Glass sjg@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