PowerPC, nand_spl: Add relocation support for -fpic

[oweals/u-boot.git] / doc / README.arm-relocation

diff --git a/doc/README.arm-relocation b/doc/README.arm-relocation
index 8d328e09f9108c93c82f263f286f84322c4037ae..c0957c210ceca37efd1c9c236768df57b8456c6e 100644 (file)
--- a/doc/README.arm-relocation
+++ b/doc/README.arm-relocation
@@ -34,18 +34,10 @@ At lib level:
 
        Board.c code is adapted from ppc code
 
-At config level:
-
-       Define CONFIG_RELOC_FIXUP_WORKS.
-       Undefine CONFIG_SYS_ARM_WITHOUT_RELOC
-
 * WARNING ** WARNING ** WARNING ** WARNING ** WARNING ** WARNING ** WARNING *
 
 Boards which are not fixed to support relocation will be REMOVED!
 
-Eventually, CONFIG_SYS_ARM_WITHOUT_RELOC and CONFIG_RELOC_FIXUP_WORKS will
-disappear and boards which have to migrated to relocation will disappear too.
-
 -----------------------------------------------------------------------------
 
 For boards which boot from nand_spl, it is possible to save one copy
@@ -93,15 +85,15 @@ Relocation with NAND_SPL (example for the tx25):
   and start with code execution on this address.
 
 - The First page contains u-boot code from u-boot:nand_spl/nand_boot_fsl_nfc.c
-  which inits the dram, cpu registers, reloacte itself to CONFIG_SYS_TEXT_BASE  and loads
+  which inits the dram, cpu registers, reloacte itself to CONFIG_SYS_TEXT_BASE and loads
   the "real" u-boot to CONFIG_SYS_NAND_U_BOOT_DST and starts execution
   @CONFIG_SYS_NAND_U_BOOT_START
 
-- This u-boot does no ram int, nor cpu register setup. Just looks
-  where it have to relocate and relocate itself to this address.
-  If relocate address = CONFIG_SYS_TEXT_BASE(not the same, as the TEXT_BASE
-  from the nand_spl code), no need to copy, just go on with bss clear
-  and jump to board_init_r.
+- This u-boot does no RAM init, nor CPU register setup. Just look
+  where it has to copy and relocate itself to this address. If
+  relocate address = CONFIG_SYS_TEXT_BASE (not the same, as the
+  CONFIG_SYS_TEXT_BASE from the nand_spl code), then there is no need
+  to copy, just go on with bss clear and jump to board_init_r.
 
 -----------------------------------------------------------------------------
 
@@ -162,7 +154,7 @@ e) load new symbol table:
 
 (gdb) add-symbol-file u-boot 0x8ff08000
 add symbol table from file "u-boot" at
-        .text_addr = 0x8ff08000
+       .text_addr = 0x8ff08000
 (y or n) y
 Reading symbols from /home/hs/celf/u-boot/u-boot...done.
 (gdb) c
@@ -170,12 +162,12 @@ Continuing.
 ^C
 Program received signal SIGSTOP, Stopped (signal).
 0x8ff17f18 in serial_getc () at serial_mxc.c:192
-192             while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY);
+192            while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY);
 (gdb)
 
 add-symbol-file u-boot 0x8ff08000
-                       ^^^^^^^^^^
-                       get this address from u-boot debug printfs
+                      ^^^^^^^^^^
+                      get this address from u-boot debug printfs
 
 U-Boot 2010.06-rc2-00009-gf77b8b8-dirty (Jun 22 2010 - 09:43:46)
 
@@ -187,7 +179,7 @@ Top of RAM usable for U-Boot at: 90000000
 LCD panel info: 640 x 480, 16 bit/pix
 Reserving 600k for LCD Framebuffer at: 8ff6a000
 Reserving 391k for U-Boot at: 8ff08000
-                              ^^^^^^^^
+                             ^^^^^^^^
 Reserving 1280k for malloc() at: 8fdc8000
 Reserving 24 Bytes for Board Info at: 8fdc7fe8
 Reserving 52 Bytes for Global Data at: 8fdc7fb4
@@ -197,6 +189,6 @@ Bank #0: 80000000 256 MiB
 relocation Offset is: eff08000
 mon: 00058BAC gd->monLen: 00061F10
 Now running in RAM - U-Boot at: 8ff08000
-                                ^^^^^^^^
+                               ^^^^^^^^
 
 Now you can use gdb as usual :-)