[U-Boot] [PATCH v1] armv8: spl: Call spl_relocate_stack_gd for ARMv8

[Philipp Tomsich]

As part of the startup process for boards using the SPL, we need to
call spl_relocate_stack_gd. This is needed to set up malloc with its
DRAM buffer.

Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
---
 arch/arm/lib/crt0_64.S | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/lib/crt0_64.S b/arch/arm/lib/crt0_64.S
index 19c6a98..05a80ee 100644
--- a/arch/arm/lib/crt0_64.S
+++ b/arch/arm/lib/crt0_64.S
@@ -105,15 +105,21 @@ ENTRY(_main)
 relocation_return:
 
 /*
  * Set up final (full) environment
  */
 	bl	c_runtime_cpu_setup		/* still call old routine */
 #endif /* !CONFIG_SPL_BUILD */
-
+#if defined(CONFIG_SPL_BUILD)
+	bl	spl_relocate_stack_gd
+	mov	x1, sp
+	adds	x0, x0, xzr
+	csel	x0, x0, x1, ne
+	mov	sp, x0
+#endif
 /* TODO: For SPL, call spl_relocate_stack_gd() to alloc stack relocation */
 
 /*
  * Clear BSS section
  */
 	ldr	x0, =__bss_start		/* this is auto-relocated! */
 	ldr	x1, =__bss_end			/* this is auto-relocated! */
-- 
1.9.1