configs: k2x_evm: Adds environment variables for secure devices

Updates the default u-boot environment variables to support secure
boot. On secure devices, a secure boot monitor (sec-bm) needs to
be installed by u-boot.
Signed-off-by: NMadan Srinivas <madans@ti.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

include/configs/k2g_evm.h

@@ -52,11 +52,18 @@
 	"get_mon_mmc=load mmc ${bootpart} ${addr_mon} ${bootdir}/${name_mon}\0"\
 	"name_fs=arago-base-tisdk-image-k2g-evm.cpio\0"
 
+#ifndef CONFIG_TI_SECURE_DEVICE
 #define CONFIG_BOOTCOMMAND						\
 	"run envboot; "							\
 	"run set_name_pmmc init_${boot} init_fw_rd_${boot} "		\
 	"get_pmmc_${boot} run_pmmc get_mon_${boot} run_mon "		\
 	"findfdt get_fdt_${boot} get_kern_${boot} run_kern"
+#else
+#define CONFIG_BOOTCOMMAND						\
+	"run envboot; run run_mon_hs set_name_pmmc init_${boot} "	\
+	"get_pmmc_${boot} run_pmmc findfdt get_fit_${boot};"		\
+	"bootm ${fit_loadaddr}#${name_fdt} "
+#endif
 
 /* SPL SPI Loader Configuration */
 #define CONFIG_SPL_TEXT_BASE		0x0c080000

include/configs/ti_armv7_keystone2.h

@@ -249,7 +249,11 @@
 	"addr_secdb_key=0xc000000\0"					\
 	"name_kern=zImage\0"						\
 	"addr_mon=0x87000000\0"						\
+	"addr_non_sec_mon=0x0c087fc0\0"					\
+	"addr_load_sec_bm=0x0c08c000\0"					\
 	"run_mon=mon_install ${addr_mon}\0"				\
+	"run_mon_hs=mon_install ${addr_non_sec_mon} "			\
+			"${addr_load_sec_bm}\0"				\
 	"run_kern=bootz ${loadaddr} ${rd_spec} ${fdtaddr}\0"		\
 	"init_net=run args_all args_net\0"				\
 	"init_nfs=setenv autoload no; dhcp; run args_all args_net\0"	\
@@ -301,9 +305,15 @@
 		"1024k(bootloader)ro,512k(params)ro,-(ubifs)\0"
 
 #ifndef CONFIG_BOOTCOMMAND
+#ifndef CONFIG_TI_SECURE_DEVICE
 #define CONFIG_BOOTCOMMAND						\
 	"run init_${boot} get_mon_${boot} run_mon init_fw_rd_${boot} "	\
 	"get_fdt_${boot} get_kern_${boot} run_kern"
+#else
+#define CONFIG_BOOTCOMMAND						\
+	"run run_mon_hs init_${boot} init_fw_rd_${boot} "		\
+	"get_fit_${boot}; bootm ${fit_loadaddr}#${name_fdt}"
+#endif
 #endif
 
 #define CONFIG_BOOTARGS							\