u-boot/doc/README.arm-relocation

56 e) there it copy u-boot to CONFIG_SYS_NAND_U_BOOT_DST and
58 f) u-boot code steps through board_init_f() and calculates
61 If CONFIG_SYS_TEXT_BASE == relocation address, the copying of u-boot
75   one copying from u-boot code.
87 - The First page contains u-boot code from drivers/mtd/nand/raw/mxc_nand_spl.c
89   the "real" u-boot to CONFIG_SYS_NAND_U_BOOT_DST and starts execution
92 - This u-boot does no RAM init, nor CPU register setup. Just look
106 Debugging u-boot in RAM:
113 arm-linux-gdb u-boot
115 [hs@pollux u-boot]$ arm-linux-gdb u-boot
143 Discard symbol table from `/home/hs/celf/u-boot/u-boot'? (y or n) y
151 (gdb) add-symbol-file u-boot 0x8ff08000
152 add symbol table from file "u-boot" at
155 Reading symbols from /home/hs/celf/u-boot/u-boot...done.
164 add-symbol-file u-boot 0x8ff08000
166 		       get this address from u-boot bdinfo command
191 (gdb) add-symbol-file u-boot $s