[LEDE-DEV] [PATCH v1 4/4] at91: creating sdcard image for sama5

[Sandeep Sheriker Mallikarjun]

creating sdcard image using gen_at91_sdcard_img.sh for sama5 platform
and sdcard image partition layout is:

   P0: Boot (fat32) - Contains(at91bootstrap,u-boot,zImage & dtb)
   p1: Rootfs (ext4)

Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun at microchip.com>
---
 target/linux/at91/image/Makefile                   | 45 ++++++++++++++++++++++
 .../image/gen_at91_sdcard_img.sh}                  |  9 +++--
 target/linux/at91/image/sama5.mk                   |  3 ++
 3 files changed, 54 insertions(+), 3 deletions(-)
 copy target/linux/{omap/image/gen_omap_sdcard_img.sh => at91/image/gen_at91_sdcard_img.sh} (68%)

diff --git a/target/linux/at91/image/Makefile b/target/linux/at91/image/Makefile
index 9333709..628d3d8 100644
--- a/target/linux/at91/image/Makefile
+++ b/target/linux/at91/image/Makefile
@@ -9,6 +9,11 @@ include $(INCLUDE_DIR)/image.mk
 
 KERNEL_LOADADDR := 0x20008000
 
+AT91_SD_BOOT_PARTSIZE:= 64
+FAT32_BLOCK_SIZE:=1024
+FAT32_BLOCKS:=$(shell echo \
+      $$(($(AT91_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
+
 ifeq ($(SUBTARGET),legacy)
 include ./legacy.mk
 UBIFS_OPTS := -m 2048 -e 126KiB -c 2048
@@ -48,6 +53,46 @@ define Device/evaluation
   IMAGE/root.ubi := append-ubi
 endef
 
+#  $(CP) $(KDIR)/zImage \
+#  $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE_SANITIZED)-zImage
+define Build/at91-sdcard
+  rm -f $@.boot
+  mkfs.fat -C $@.boot $(FAT32_BLOCKS)
+
+  mcopy -i $@.boot $(KDIR)/zImage ::zImage
+
+  $(foreach dts,$(DEVICE_DTS), \
+     mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb \
+        ::$(dts).dtb; \
+     mcopy -i $@.boot \
+        $(BIN_DIR)/u-boot-$(dts:at91-%=%)_mmc/u-boot.bin \
+            ::u-boot.bin; \
+     $(CP) $(BIN_DIR)/at91bootstrap-$(dts:at91-%=%)sd_uboot*/*.bin \
+         $(BIN_DIR)/BOOT.bin; \
+     mcopy -i $@.boot $(BIN_DIR)/BOOT.bin ::BOOT.bin;)
+
+  ./gen_at91_sdcard_img.sh \
+      $(dir $@)$(IMG_PREFIX)-$(PROFILE_SANITIZED)-sdcard.img \
+      $@.boot \
+      $(KDIR)/root.ext4 \
+      $(AT91_SD_BOOT_PARTSIZE) \
+      $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+
+  gzip -nc9 $(dir $@)$(IMG_PREFIX)-$(PROFILE_SANITIZED)-sdcard.img \
+         > $(dir $@)$(IMG_PREFIX)-$(PROFILE_SANITIZED)-sdcard.img.gz
+
+  $(CP) $(dir $@)$(IMG_PREFIX)-$(PROFILE_SANITIZED)-sdcard.img.gz \
+        $(BIN_DIR)/
+
+  rm -f $(BIN_DIR)/BOOT.bin
+  rm -f $@.boot
+endef
+
+define Device/evaluation-sdimage
+  IMAGES += sdcard.img.gz
+  IMAGE/sdcard.img.gz := at91-sdcard
+endef
+
 define Device/evaluation-zImage
   IMAGES += zImage
   IMAGE/zImage := install-zImage
diff --git a/target/linux/omap/image/gen_omap_sdcard_img.sh b/target/linux/at91/image/gen_at91_sdcard_img.sh
similarity index 68%
copy from target/linux/omap/image/gen_omap_sdcard_img.sh
copy to target/linux/at91/image/gen_at91_sdcard_img.sh
index c2f2aad..16c76f0 100755
--- a/target/linux/omap/image/gen_omap_sdcard_img.sh
+++ b/target/linux/at91/image/gen_at91_sdcard_img.sh
@@ -9,7 +9,9 @@
 
 set -x
 [ $# -eq 5 ] || {
-    echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
+    echo "SYNTAX: $0 <filename> \
+                  <bootfs image> <rootfs image> \
+                  <bootfs size> <rootfs size>"
     exit 1
 }
 
@@ -20,9 +22,10 @@ BOOTFSSIZE="$4"
 ROOTFSSIZE="$5"
 
 head=4
-sect=63
+sect=2048
 
-set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
+set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p \
+           ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
 
 BOOTOFFSET="$(($1 / 512))"
 BOOTSIZE="$(($2 / 512))"
diff --git a/target/linux/at91/image/sama5.mk b/target/linux/at91/image/sama5.mk
index 1610815..7d32875 100644
--- a/target/linux/at91/image/sama5.mk
+++ b/target/linux/at91/image/sama5.mk
@@ -8,6 +8,7 @@ define Device/at91-sama5d3_xplained
         at91bootstrap-sama5d3_xplainedsd_uboot \
         u-boot-sama5d3_xplained_mmc \
         u-boot-sama5d3_xplained_nandflash
+  $(Device/evaluation-sdimage)
 endef
 TARGET_DEVICES += at91-sama5d3_xplained
 
@@ -22,6 +23,7 @@ define Device/at91-sama5d2_xplained
         at91bootstrap-sama5d2_xplainedsd_uboot \
         u-boot-sama5d2_xplained_mmc \
         u-boot-sama5d2_xplained_spiflash
+  $(Device/evaluation-sdimage)
 endef
 TARGET_DEVICES += at91-sama5d2_xplained
 
@@ -37,5 +39,6 @@ define Device/at91-sama5d4_xplained
         u-boot-sama5d4_xplained_mmc \
         u-boot-sama5d4_xplained_nandflash \
         u-boot-sama5d4_xplained_spiflash
+  $(Device/evaluation-sdimage)
 endef
 TARGET_DEVICES += at91-sama5d4_xplained
-- 
2.7.4