[U-Boot] [PATCH] ARM: crt0: Pass malloc base address

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam at freescale.com>

Commit 5ba534d247d418 ("arm: Switch 32-bit ARM to using generic global_data
setup") causes malloc() to fail in SPL.

The reason is that the GD_MALLOC_BASE is not passed anymore.

Restore the code that passes malloc base so that we can have
malloc working in SPL code again.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 arch/arm/lib/crt0.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index 80548eb..d620126 100644
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -87,6 +87,10 @@ ENTRY(_main)
 	mov	sp, r0
 
 	mov	r0, #0
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+	sub	sp, sp, #CONFIG_SYS_MALLOC_F_LEN
+	str	sp, [r9, #GD_MALLOC_BASE]
+#endif
 	bl	board_init_f
 
 #if ! defined(CONFIG_SPL_BUILD)
-- 
1.9.1