Internal Used/By-pass advloader
From ESS-WIKI
Modify and Build U-boot
Yocto 1.5
You can download patch file as below:
File:bypass_advloader_Yocto_1.5.patch
u-boot-imx/arch/arm/lib/board.c
Index: arch/arm/lib/board.c =================================================================== --- arch/arm/lib/board.c (revision 2241) +++ arch/arm/lib/board.c (working copy) @@ -411,7 +411,6 @@ switch(dev) { case 1: - default: /* booting from SD*/ printf("booting from SD\n"); setenv("mmcdev", "0"); @@ -448,6 +447,11 @@ if(emmc_exist) setenv("mmcdev", "1"); break; #endif + default: + printf("Default boot device\n"); + printf("booting from SD\n"); + setenv("mmcdev", "1"); + break; } /*record ddr bit, 32 or 64 bit*/