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-rw-r--r--arch/arm/cpu/armv8/start.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
index 67edf94..19c771d 100644
--- a/arch/arm/cpu/armv8/start.S
+++ b/arch/arm/cpu/armv8/start.S
@@ -53,6 +53,11 @@ _bss_end_ofs:
.quad __bss_end - _start
reset:
+ /* Allow the board to save important registers */
+ b save_boot_params
+.globl save_boot_params_ret
+save_boot_params_ret:
+
#ifdef CONFIG_SYS_RESET_SCTRL
bl reset_sctrl
#endif
@@ -282,3 +287,7 @@ ENTRY(c_runtime_cpu_setup)
ret
ENDPROC(c_runtime_cpu_setup)
+
+WEAK(save_boot_params)
+ b save_boot_params_ret /* back to my caller */
+ENDPROC(save_boot_params)