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H A DREADME.md0da41e90bb7d44317c32b78aec73e96951e14826 Mon Nov 19 15:30:28 UTC 2018 Bryan O'Donoghue <bryan.odonoghue@linaro.org> arm: imx: add iMX7S WaARP7 MBL board definition

This patch adds an OP-TEE port for the i.MX7S WaRP7 for the MBED Linux OS
boot flow.

BootROM -> ATF/BL2
ATF -> FIP {u-boot, OPTEE}
OPTEE -> {populates DTB overlay}
u-boot -> FIT {DTB, Kernel, initramfs}
Merges DTB and OPTEE DTB-overlay
Linux

The current warp7 port looks like
BootROM -> u-boot
u-boot -> Load {Kernel, OPTEE, DTB}
OPTEE
Linux

In order to support the ATF bootflow a new port of OP-TEE with slightly
tweaked parameters is added here.

CFG_NS_ENTRY_ADDR = 0x87800000 is the entry point of u-boot
CFG_DT_OVERLAY = y adds DTB overlay fragments to the passed DTB

make PLATFORM=imx-mx7swarp7_mbl

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
/optee_os/core/arch/arm/plat-imx/
H A Dconf.mk0da41e90bb7d44317c32b78aec73e96951e14826 Mon Nov 19 15:30:28 UTC 2018 Bryan O'Donoghue <bryan.odonoghue@linaro.org> arm: imx: add iMX7S WaARP7 MBL board definition

This patch adds an OP-TEE port for the i.MX7S WaRP7 for the MBED Linux OS
boot flow.

BootROM -> ATF/BL2
ATF -> FIP {u-boot, OPTEE}
OPTEE -> {populates DTB overlay}
u-boot -> FIT {DTB, Kernel, initramfs}
Merges DTB and OPTEE DTB-overlay
Linux

The current warp7 port looks like
BootROM -> u-boot
u-boot -> Load {Kernel, OPTEE, DTB}
OPTEE
Linux

In order to support the ATF bootflow a new port of OP-TEE with slightly
tweaked parameters is added here.

CFG_NS_ENTRY_ADDR = 0x87800000 is the entry point of u-boot
CFG_DT_OVERLAY = y adds DTB overlay fragments to the passed DTB

make PLATFORM=imx-mx7swarp7_mbl

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>