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at91: create sdcard image for sama5

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create 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@microchip.com>
This commit is contained in:
Sandeep Sheriker Mallikarjun 2017-12-12 15:08:26 -07:00 committed by John Crispin
parent 665bb27499
commit 085967f774
2 changed files with 79 additions and 0 deletions
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33
target/linux/at91/image/gen_at91_sdcard_img.sh Executable file
View file

@ -0,0 +1,33 @@
#!/usr/bin/env bash
#
# Copyright (C) 2017 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
set -x
[ $# -eq 5 ] || {
echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
exit 1
}
OUTPUT="$1"
BOOTFS="$2"
ROOTFS="$3"
BOOTFSSIZE="$4"
ROOTFSSIZE="$5"
head=4
sect=2048
set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
BOOTOFFSET="$(($1 / 512))"
BOOTSIZE="$(($2 / 512))"
ROOTFSOFFSET="$(($3 / 512))"
ROOTFSSIZE="$(($4 / 512))"
dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc

46
target/linux/at91/image/sama5.mk
View file

@ -1,3 +1,46 @@
AT91_SD_BOOT_PARTSIZE:=64
FAT32_BLOCK_SIZE:=1024
FAT32_BLOCKS:=$(shell echo \
$$(($(AT91_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
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/default-nand define Device/default-nand
BLOCKSIZE := 128k BLOCKSIZE := 128k
PAGESIZE := 2048 PAGESIZE := 2048
@ -9,6 +52,7 @@ define Device/at91-sama5d3_xplained
$(Device/evaluation-dtb) $(Device/evaluation-dtb)
DEVICE_TITLE := Microchip(Atmel AT91) SAMA5D3 Xplained DEVICE_TITLE := Microchip(Atmel AT91) SAMA5D3 Xplained
KERNEL_SIZE := 6144k KERNEL_SIZE := 6144k
$(Device/evaluation-sdimage)
endef endef
TARGET_DEVICES += at91-sama5d3_xplained TARGET_DEVICES += at91-sama5d3_xplained
@ -16,6 +60,7 @@ define Device/at91-sama5d2_xplained
$(Device/evaluation-dtb) $(Device/evaluation-dtb)
DEVICE_TITLE := Microchip(Atmel AT91) SAMA5D2 Xplained DEVICE_TITLE := Microchip(Atmel AT91) SAMA5D2 Xplained
KERNEL_SIZE := 6144k KERNEL_SIZE := 6144k
$(Device/evaluation-sdimage)
endef endef
TARGET_DEVICES += at91-sama5d2_xplained TARGET_DEVICES += at91-sama5d2_xplained
@ -27,6 +72,7 @@ define Device/at91-sama5d4_xplained
PAGESIZE := 4096 PAGESIZE := 4096
SUBPAGESIZE := 2048 SUBPAGESIZE := 2048
MKUBIFS_OPTS := -m $$(PAGESIZE) -e 248KiB -c 2082 -x lzo MKUBIFS_OPTS := -m $$(PAGESIZE) -e 248KiB -c 2082 -x lzo
$(Device/evaluation-sdimage)
endef endef
TARGET_DEVICES += at91-sama5d4_xplained TARGET_DEVICES += at91-sama5d4_xplained