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-rw-r--r--arch/arm/include/asm/config.h2
-rw-r--r--arch/arm/lib/crt0.S9
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/config.h b/arch/arm/include/asm/config.h
index d3433da..5f2a5f4 100644
--- a/arch/arm/include/asm/config.h
+++ b/arch/arm/include/asm/config.h
@@ -7,7 +7,9 @@
#ifndef _ASM_CONFIG_H_
#define _ASM_CONFIG_H_
+#ifdef __aarch64__
#define CONFIG_SYS_GENERIC_GLOBAL_DATA
+#endif
#define CONFIG_LMB
#define CONFIG_SYS_BOOT_RAMDISK_HIGH
diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index dfc2de9..43aa212 100644
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -67,10 +67,19 @@ ENTRY(_main)
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
#endif
bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
+ mov r2, sp
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 r1, sp
mov r0, #0
+clr_gd:
+ cmp r1, r2 /* while not at end of GD */
+ strlo r0, [r1] /* clear 32-bit GD word */
+ addlo r1, r1, #4 /* move to next */
+ blo clr_gd
+
+ /* mov r0, #0 not needed due to above code */
bl board_init_f
#if ! defined(CONFIG_SPL_BUILD)