From ed0e2836138849c3d66efb7462a505d5cd3e348e Mon Sep 17 00:00:00 2001
From: guowenxu <guowenxue@gmail.com>
Date: Sat, 20 Nov 2021 20:52:48 +0800
Subject: [PATCH] update images build shell script
---
bsp/images/build.sh | 16 +++++++---------
1 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/bsp/images/build.sh b/bsp/images/build.sh
index 5a37c98..76377d6 100755
--- a/bsp/images/build.sh
+++ b/bsp/images/build.sh
@@ -37,13 +37,14 @@
IMAGE_SIZE=2048
fi
-# 1 sector - for i.MX6 or i.MX7
-UBOOT_OFSET=1
+#i.MX6/i.MX7 read uboot from mmc start on sector #2
+UBOOT_OFSET=2
+MMC_SECSIZE=512
-# BootRom(U-boot) Size 10MB: 20480 Sectors * 512B
+# U-boot space Size 10MB
UBOOT_SIZE=10
-# vfat boot partition size
+# vfat boot partition 100MB
BOOT_SIZE=100
@@ -101,16 +102,13 @@
function generate_image()
{
- # system image block count by block=512k
- BLOCK_CNT=`expr 2 \* ${IMAGE_SIZE}`
-
# FAT32 boot partition start/end address in MB
BOOT_START=${UBOOT_SIZE}
BOOT_END=`expr ${BOOT_START} + ${BOOT_SIZE}`
msg_banner " <${STAGE}> Generate system image "
- dd if=/dev/zero of=${IMAGE_NAME} bs=512k count=${BLOCK_CNT} && sync
+ dd if=/dev/zero of=${IMAGE_NAME} bs=1024k count=${IMAGE_SIZE} && sync
chmod a+x ${IMAGE_NAME}
msg_banner " <${STAGE}> Partition system image "
@@ -139,7 +137,7 @@
function install_sysimg()
{
msg_banner " <${STAGE}> Install u-boot image"
- sudo dd if=${IMG_UBOOT} of=${IMAGE_NAME} bs=1k seek=${UBOOT_OFSET} conv=notrunc,sync
+ sudo dd if=${IMG_UBOOT} of=${IMAGE_NAME} bs=${MMC_SECSIZE} seek=${UBOOT_OFSET} conv=notrunc,sync
msg_banner " <${STAGE}> Install linux kernel image"
--
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