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authorTom Rini <trini@konsulko.com>2015-10-20 21:59:40 -0400
committerTom Rini <trini@konsulko.com>2015-10-20 21:59:40 -0400
commite8d124fae0f3dff87348c989aa65ecf9b6eadc14 (patch)
treeff4f4709e54cde4d97349463c335d00f2d631e42 /arch/arm/mach-mvebu/lowlevel_spl.S
parentfd8133b725198978865ead730ff20d3991e05f20 (diff)
parent5b37212a3d78f546b5ef3f97a75155b3a0fd88cb (diff)
Merge git://git.denx.de/u-boot-marvell
Diffstat (limited to 'arch/arm/mach-mvebu/lowlevel_spl.S')
-rw-r--r--arch/arm/mach-mvebu/lowlevel_spl.S16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/lowlevel_spl.S b/arch/arm/mach-mvebu/lowlevel_spl.S
index 69da7fe7af..2e2181ecea 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