Merge commit 'upstream/master'

5 files changed, 156 insertions, 14 deletions

diff --git a/cpu/mpc5xx/config.mk b/cpu/mpc5xx/config.mk
index 5b26a76..e95b8a1 100644
--- a/cpu/mpc5xx/config.mk
+++ b/cpu/mpc5xx/config.mk
@@ -28,6 +28,9 @@
 #
 
 
-PLATFORM_RELFLAGS += 	-fPIC -ffixed-r14 -meabi
+PLATFORM_RELFLAGS += 	-fPIC -ffixed-r14 -meabi -mrelocatable
 
 PLATFORM_CPPFLAGS +=	-DCONFIG_5xx -ffixed-r2 -ffixed-r29 -mpowerpc -msoft-float
+
+# Use default linker script.  Board port can override in board/*/config.mk
+LDSCRIPT := $(SRCTREE)/cpu/mpc5xx/u-boot.lds
diff --git a/cpu/mpc5xx/interrupts.c b/cpu/mpc5xx/interrupts.c
index 7f6e136..a4f47c7 100644
--- a/cpu/mpc5xx/interrupts.c
+++ b/cpu/mpc5xx/interrupts.c
@@ -178,7 +178,7 @@ void timer_interrupt_cpu (struct pt_regs *regs)
 	return;
 }
 
-#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
+#if defined(CONFIG_CMD_IRQ)
 /*******************************************************************************
  *
  * irqinfo - print information about IRQs
@@ -204,4 +204,4 @@ int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 }
 
 
-#endif  /* CONFIG_COMMANDS & CFG_CMD_IRQ */
+#endif
diff --git a/cpu/mpc5xx/start.S b/cpu/mpc5xx/start.S
index 087435e..0637003 100644
--- a/cpu/mpc5xx/start.S
+++ b/cpu/mpc5xx/start.S
@@ -155,7 +155,7 @@ in_flash:
 	/* Initialize some SPRs that are hard to access from C			*/
 	/*----------------------------------------------------------------------*/
 
-	lis     r3, CFG_IMMR@h          	/* Pass IMMR as arg1 to C routine */
+	lis     r3, CFG_IMMR@h			/* Pass IMMR as arg1 to C routine */
 	lis	r2, CFG_INIT_SP_ADDR@h
 	ori	r1, r2, CFG_INIT_SP_ADDR@l	/* Set up the stack in internal SRAM */
 	/* Note: R0 is still 0 here */
@@ -210,7 +210,7 @@ _start_of_vectors:
 /* Alignment exception. */
 	. = 0x600
 Alignment:
-	EXCEPTION_PROLOG
+	EXCEPTION_PROLOG(SRR0, SRR1)
 	mfspr	r4,DAR
 	stw	r4,_DAR(r21)
 	mfspr	r5,DSISR
@@ -228,7 +228,7 @@ Alignment:
 /* Program check exception */
 	. = 0x700
 ProgramCheck:
-	EXCEPTION_PROLOG
+	EXCEPTION_PROLOG(SRR0, SRR1)
 	addi	r3,r1,STACK_FRAME_OVERHEAD
 	li	r20,MSR_KERNEL
 	rlwimi	r20,r23,0,16,16		/* copy EE bit from saved MSR */
diff --git a/cpu/mpc5xx/traps.c b/cpu/mpc5xx/traps.c
index 14fd59e..d22b89a 100644
--- a/cpu/mpc5xx/traps.c
+++ b/cpu/mpc5xx/traps.c
@@ -36,11 +36,11 @@
 #include <command.h>
 #include <asm/processor.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 int (*debugger_exception_handler)(struct pt_regs *) = 0;
 #endif
 
-#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+#if defined(CONFIG_CMD_BEDBUG)
 extern void do_bedbug_breakpoint(struct pt_regs *);
 #endif
 
@@ -131,7 +131,7 @@ void MachineCheckException(struct pt_regs *regs)
 		return;
 	}
 
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
 		return;
 #endif
@@ -165,7 +165,7 @@ void MachineCheckException(struct pt_regs *regs)
  */
 void AlignmentException(struct pt_regs *regs)
 {
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
 		return;
 #endif
@@ -179,7 +179,7 @@ void AlignmentException(struct pt_regs *regs)
  */
 void ProgramCheckException(struct pt_regs *regs)
 {
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
 		return;
 #endif
@@ -193,7 +193,7 @@ void ProgramCheckException(struct pt_regs *regs)
  */
 void SoftEmuException(struct pt_regs *regs)
 {
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
 		return;
 #endif
@@ -208,7 +208,7 @@ void SoftEmuException(struct pt_regs *regs)
  */
 void UnknownException(struct pt_regs *regs)
 {
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
 		return;
 #endif
@@ -224,7 +224,7 @@ void DebugException(struct pt_regs *regs)
 {
 	printf("Debugger trap at @ %lx\n", regs->nip );
   	show_regs(regs);
-#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+#if defined(CONFIG_CMD_BEDBUG)
   	do_bedbug_breakpoint( regs );
 #endif
 }
diff --git a/cpu/mpc5xx/u-boot.lds b/cpu/mpc5xx/u-boot.lds
new file mode 100644
index 0000000..10001b1
--- /dev/null
+++ b/cpu/mpc5xx/u-boot.lds
@@ -0,0 +1,139 @@
+/*
+ * (C) Copyright 2001	Wolfgang Denk, DENX Software Engineering, wd@denx.de
+ * (C) Copyright 2003	Martin Winistoerfer, martinwinistoerfer@gmx.ch
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mpc5xx/start.o	(.text)
+
+    *(.text)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _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 = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+
+  _end = . ;
+  PROVIDE (end = .);
+/*   . = env_start;
+	.ppcenv	:
+	{
+		common/environment.o (.ppcenv)
+	}
+*/
+}