Generate spl/u-boot-splx4.sfp which consist of 4 SPL images required
for booting up Cyclone5/Arria10.

For Cyclone5 using NAND flash image layout for 128 KB memory blocks,
'make u-boot-with-nand-spl.sfp' to generate spl/u-boot-nand-splx4.sfp
which contains four 128KB SPL images (each 64KB SPL is followed by
64KB of zero-padding).

Signed-off-by: Chee Hong Ang <chee.hong....@intel.com>
---
 Makefile | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 4483a9b..f4631f1 100644
--- a/Makefile
+++ b/Makefile
@@ -1582,8 +1582,9 @@ u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
 ifneq ($(CONFIG_ARCH_SOCFPGA),)
 quiet_cmd_socboot = SOCBOOT $@
 cmd_socboot = cat      spl/u-boot-spl.sfp spl/u-boot-spl.sfp   \
-                       spl/u-boot-spl.sfp spl/u-boot-spl.sfp   \
-                       u-boot.img > $@ || rm -f $@
+                       spl/u-boot-spl.sfp \
+                       spl/u-boot-spl.sfp > spl/u-boot-splx4.sfp ; \
+             cat       spl/u-boot-splx4.sfp u-boot.img > $@ || rm -f $@
 u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE
        $(call if_changed,socboot)
 
@@ -1592,8 +1593,10 @@ cmd_socnandboot =  dd if=/dev/zero of=spl/u-boot-spl.pad 
bs=64 count=1024 ; \
                   cat  spl/u-boot-spl.sfp spl/u-boot-spl.pad \
                        spl/u-boot-spl.sfp spl/u-boot-spl.pad \
                        spl/u-boot-spl.sfp spl/u-boot-spl.pad \
-                       spl/u-boot-spl.sfp spl/u-boot-spl.pad \
-                       u-boot.img > $@ || rm -f $@ spl/u-boot-spl.pad
+                       spl/u-boot-spl.sfp \
+                       spl/u-boot-spl.pad > spl/u-boot-nand-splx4.sfp ; \
+                  cat  spl/u-boot-nand-splx4.sfp u-boot.img > $@ || \
+                  rm   -f $@ spl/u-boot-spl.pad
 u-boot-with-nand-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE
        $(call if_changed,socnandboot)
 
-- 
2.2.0

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