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ti: AM43xx: config.mk: Add support for generating secure boot images

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Modifies the config.mk to build secure images when building
the SPL for secure devices.

Depending on the boot media, different images are needed
for secure devices. The build generates u-boot*_HS_* files
as appropriate for the different boot modes. The same u-boot
binary file is processed slightly differently to produce a
different boot image, depending on whether the user wants to
boot off SPI, QSPI or other boot media.

Refer to README.ti-secure for more information.

Signed-off-by: Madan Srinivas <madans@ti.com>
Signed-off-by: Daniel Allred <d-allred@ti.com>

Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Andreas Dannenberg <dannenberg@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Daniel Allred 2016-05-19 19:10:46 -05:00 committed by Tom Rini
parent 0a0c534b33
commit 883dfd1553
1 changed files with 20 additions and 0 deletions
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20
arch/arm/cpu/armv7/am33xx/config.mk
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@ -3,9 +3,29 @@
#
# SPDX-License-Identifier: GPL-2.0+
#
include $(srctree)/$(CPUDIR)/omap-common/config_secure.mk
ifdef CONFIG_SPL_BUILD
ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
#
# For booting from SPI use
# u-boot-spl_HS_SPI_X-LOADER to program flash
#
# For booting spl from all other media
# use u-boot-spl_HS_ISSW
#
# Refer to README.ti-secure for more info
#
ALL-y += u-boot-spl_HS_ISSW
ALL-$(CONFIG_SPL_SPI_SUPPORT) += u-boot-spl_HS_SPI_X-LOADER
else
ALL-y += MLO
ALL-$(CONFIG_SPL_SPI_SUPPORT) += MLO.byteswap
endif
else
ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
ALL-$(CONFIG_QSPI_BOOT) += u-boot_HS_XIP_X-LOADER
endif
ALL-y += u-boot.img
endif