X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Farm%2Fmach-mvebu%2Flowlevel_spl.S;h=2e2181ecea5ebc2ad656772ff6056b9f43b42a6b;hb=a69fdc7787bfa2f27eed74c2ee58c28ce932d502;hp=69da7fe7afd6ced7a689032ed3ce5ccd32f1cbf5;hpb=1131d4e22cf8f13d0dabaad7f1b84d9baffdfbd6;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/arm/mach-mvebu/lowlevel_spl.S b/arch/arm/mach-mvebu/lowlevel_spl.S
index 69da7fe..2e2181e 100644
--- a/arch/arm/mach-mvebu/lowlevel_spl.S
+++ b/arch/arm/mach-mvebu/lowlevel_spl.S
@@ -5,10 +5,26 @@
 #include <config.h>
 #include <linux/linkage.h>
 
+#ifdef CONFIG_MVEBU_BOOTROM_UARTBOOT
 ENTRY(save_boot_params)
+	stmfd	sp!, {r0 - r12, lr}	/* @ save registers on stack */
+	ldr	r12, =CONFIG_SPL_BOOTROM_SAVE
+	str	sp, [r12]
 	b	save_boot_params_ret
 ENDPROC(save_boot_params)
 
+ENTRY(return_to_bootrom)
+	ldr	r12, =CONFIG_SPL_BOOTROM_SAVE
+	ldr	sp, [r12]
+	mov	r0, #0x0		/* @ return value: 0x0 NO_ERR */
+	ldmfd	sp!, {r0 - r12, pc}	/* @ restore regs and return */
+ENDPROC(return_to_bootrom)
+#else
+ENTRY(save_boot_params)
+	b	save_boot_params_ret
+ENDPROC(save_boot_params)
+#endif
+
 /*
  * cache_inv - invalidate Cache line
  * r0 - dest