User`s guide

Secure Boot with i.MX28 HAB Version 4, Rev. 1
20 Freescale Semiconductor
Signed U-Boot and Linux kernel example
4.1 Sample boot descriptor file used for u-boot Image
// i.MX28 ROM command script to load and run U-Boot
options {
flags = 0x01;
}
sources {
power_prep = "power_prep";
power_prep_bin="power_prep.bin";
power_prep_hab_data="power_prep_hab_data";
boot_prep = "boot_prep";
boot_prep_bin ="boot_prep.bin";
boot_prep_hab_data="boot_prep_hab_data";
u_boot = "u-boot";
u_boot_bin="u-boot_pad.bin";
uboot_hab_data="uboot_hab_data";
}
section (0) {
//----------------------------------------------------------
// Power Supply initialization
//----------------------------------------------------------
load power_prep_bin > 0x10;
load power_prep;
load power_prep_hab_data > power_prep:__hab_data;
hab call power_prep:input_ivt;
//----------------------------------------------------------
// SDRAM initialization
//----------------------------------------------------------
load boot_prep_bin > 0x10;
load boot_prep;
load boot_prep_hab_data > boot_prep:__hab_data;
hab call boot_prep:input_ivt;
//----------------------------------------------------------