Hello sandeep sharma,
The latest SDK release for LS1043 is SDK 2.0 1703, you could download ISOs from Linux® SDK for QorIQ ® Processors|NXP.
According to SDK 1703 linux package recipe, the git tree address is as the following.
git://git.freescale.com/ppc/sdk/linux.git
1ae843c08261402b2c35d83422e4fa1e313611f4
Have a great day,
TIC
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