Re: [U-Boot] [PATCH 10/24 V2] PPChameleonEVB and CATcenter need a custom linker script

2010-11-25 Thread Stefan Roese
Hi Wolfgang,

On Thursday 25 November 2010 17:00:30 Wolfgang Denk wrote:
> These boards use an embedded environment, which is not supported by the
> generic arch/powerpc/cpu/ppc4xx/u-boot.lds script.
> 
> The breakage was introduced by commit 2cd95a2 "ppc4xx: Remove board
> specific linker scripts from most PPC4xx boards"
> 
> Signed-off-by: Wolfgang Denk 
> Cc: Stefan Roese 
> Cc: Andrea Marson 
> ---
> Stefan, if it's OK with you I will pull this directly.

Yes, please do:

Acked-by: Stefan Roese 

Cheers,
Stefan

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[U-Boot] [PATCH 10/24 V2] PPChameleonEVB and CATcenter need a custom linker script

2010-11-25 Thread Wolfgang Denk
These boards use an embedded environment, which is not supported by the
generic arch/powerpc/cpu/ppc4xx/u-boot.lds script.

The breakage was introduced by commit 2cd95a2 "ppc4xx: Remove board
specific linker scripts from most PPC4xx boards"

Signed-off-by: Wolfgang Denk 
Cc: Stefan Roese 
Cc: Andrea Marson 
---
Stefan, if it's OK with you I will pull this directly.

 board/dave/PPChameleonEVB/u-boot.lds |  128 ++
 include/configs/CATcenter.h  |1 +
 include/configs/PPChameleonEVB.h |1 +
 3 files changed, 130 insertions(+), 0 deletions(-)
 create mode 100644 board/dave/PPChameleonEVB/u-boot.lds

diff --git a/board/dave/PPChameleonEVB/u-boot.lds 
b/board/dave/PPChameleonEVB/u-boot.lds
new file mode 100644
index 000..17f5919
--- /dev/null
+++ b/board/dave/PPChameleonEVB/u-boot.lds
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2007-2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "config.h"/* CONFIG_BOARDDIR */
+
+#ifndef RESET_VECTOR_ADDRESS
+#define RESET_VECTOR_ADDRESS   0xfffc
+#endif
+
+OUTPUT_ARCH(powerpc)
+
+PHDRS
+{
+  text PT_LOAD;
+  bss PT_LOAD;
+}
+
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .text  :
+  {
+*(.text*)
+   } :text
+_etext = .;
+PROVIDE (etext = .);
+.rodata:
+   {
+*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+  } :text
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+KEEP(*(.got))
+_GOT2_TABLE_ = .;
+KEEP(*(.got2))
+_FIXUP_TABLE_ = .;
+KEEP(*(.fixup))
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+  .data:
+  {
+*(.data*)
+*(.sdata*)
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  ppcenv_assert = ASSERT(. < 0x8000, ".bss section too big, overlaps 
.ppcenv section. Please update your confguration: CONFIG_SYS_MONITOR_BASE, 
CONFIG_SYS_MONITOR_LEN and CONFIG_SYS_TEXT_BASE may need to be modified.");
+  . = 0x8000;
+  .ppcenv :
+  {
+common/env_embedded.o(.ppcenv);
+  }
+
+  .resetvec RESET_VECTOR_ADDRESS :
+  {
+KEEP(*(.resetvec))
+  } :text = 0x
+
+  . = RESET_VECTOR_ADDRESS + 0x4;
+
+  /*
+   * Make sure that the bss segment isn't linked at 0x0, otherwise its
+   * address won't be updated during relocation fixups.  Note that
+   * this is a temporary fix.  Code to dynamically the fixup the bss
+   * location will be added in the future.  When the bss relocation
+   * fixup code is present this workaround should be removed.
+   */
+#if (RESET_VECTOR_ADDRESS == 0xfffc)
+  . |= 0x10;
+#endif
+
+  __bss_start = .;
+  .bss (NOLOAD)   :
+  {
+   *(.bss*)
+   *(.sbss*)
+   *(COMMON)
+  } :bss
+
+  . = ALIGN(4);
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/include/configs/CATcenter.h b/include/configs/CATcenter.h
index ac70d15..0b75a4e 100644
--- a/include/configs/CATcenter.h
+++ b/include/configs/CATcenter.h
@@ -76,6 +76,7 @@
 #define CONFIG_PPCHAMELEONEVB  1   /* ...on a PPChameleonEVB board */
 
 #defineCONFIG_SYS_TEXT_BASE0xFFFB  /* Reserve 320 kB for 
Monitor */
+#define CONFIG_SYS_LDSCRIPT"board/dave/PPChameleonEVB/u-boot.lds"
 
 #define CONFIG_BOARD_EARLY_INIT_F 1/* call board_early_init_f()*/
 #define CONFIG_MISC_INIT_R 1   /* call misc_init_r()   */
diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h
index a14bd0e..195925a 100644
--- a/include/configs/PPChameleonEVB.h
+++ b/include/configs/PPChameleonEVB.h
@@ -76,6 +76,7 @@
 #define CONFIG_PPCHAMELEONEVB  1   /* ...on a PPChameleonEVB board */
 
 #defineCONFIG_SYS_TEXT_BASE0xFFFB  /* Reserve 320 kB for 
Monitor */
+#define