512x: Cleanup for partial linking and --gc-sections

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Timur Tabi <timur@freescale.com>
Acked-by: Stefan Roese <sr@denx.de>

Makefile

@@ -185,6 +185,9 @@ LIBS += lib/lzma/liblzma.o
 LIBS += lib/lzo/liblzo.o
 LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
 	"board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
+ifdef CONFIG_FSL_DIU_FB
+LIBS += board/freescale/common/libfreescale.o
+endif
 LIBS += $(CPUDIR)/lib$(CPU).o
 ifdef SOC
 LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
@@ -260,7 +263,7 @@ ifeq ($(SOC),s5pc2xx)
 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
 endif
 
-LIBS := $(addprefix $(obj),$(LIBS))
+LIBS := $(addprefix $(obj),$(sort $(LIBS)))
 .PHONY : $(LIBS) $(TIMESTAMP_FILE) $(VERSION_FILE)
 
 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o

arch/powerpc/cpu/mpc512x/Makefile

@@ -37,7 +37,6 @@ COBJS-y += iopin.o
 COBJS-y += serial.o
 COBJS-y += speed.o
 COBJS-$(CONFIG_FSL_DIU_FB) += diu.o
-COBJS-$(CONFIG_FSL_DIU_FB) += ../../../../board/freescale/common/fsl_diu_fb.o
 COBJS-$(CONFIG_CMD_IDE) += ide.o
 COBJS-$(CONFIG_IIM) += iim.o
 COBJS-$(CONFIG_PCI) += pci.o

arch/powerpc/cpu/mpc512x/u-boot.lds

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2007 DENX Software Engineering.
+ * (C) Copyright 2007-2010 DENX Software Engineering.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -23,42 +23,13 @@
 OUTPUT_ARCH(powerpc)
 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      :
   {
-    arch/powerpc/cpu/mpc512x/start.o	(.text)
+    arch/powerpc/cpu/mpc512x/start.o	(.text*)
-    *(.text)
+    *(.text*)
-    *(.got1)
     . = ALIGN(16);
-    *(.eh_frame)
     *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
   }
-  .fini      : { *(.fini)    } =0
-  .ctors     : { *(.ctors)   }
-  .dtors     : { *(.dtors)   }
 
   /* Read-write section, merged into data segment: */
   . = (. + 0x0FFF) & 0xFFFFF000;
@@ -66,10 +37,11 @@ SECTIONS
   PROVIDE (erotext = .);
   .reloc   :
   {
-    *(.got)
+    KEEP(*(.got))
     _GOT2_TABLE_ = .;
-    *(.got2)
+    KEEP(*(.got2))
     _FIXUP_TABLE_ = .;
+    KEEP(*(.fixup))
     *(.fixup)
   }
   __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
@@ -77,12 +49,8 @@ SECTIONS
 
   .data    :
   {
-    *(.data)
+    *(.data*)
-    *(.data1)
+    *(.sdata*)
-    *(.sdata)
-    *(.sdata2)
-    *(.dynamic)
-    CONSTRUCTORS
   }
   _edata  =  .;
   PROVIDE (edata = .);
@@ -108,9 +76,8 @@ SECTIONS
   __bss_start = .;
   .bss (NOLOAD)       :
   {
-   *(.sbss) *(.scommon)
+   *(.bss*)
-   *(.dynbss)
+   *(.sbss*)
-   *(.bss)
    *(COMMON)
    . = ALIGN(4);
   }

board/freescale/common/Makefile

@@ -24,10 +24,10 @@
 include $(TOPDIR)/config.mk
 
 ifneq ($(OBJTREE),$(SRCTREE))
-$(shell mkdir -p $(obj)board/$(VENDOR)/common)
+$(shell mkdir -p $(obj)board/freescale/common)
 endif
 
-LIB	= $(obj)lib$(VENDOR).o
+LIB	= $(obj)libfreescale.o
 
 COBJS-$(CONFIG_FSL_CADMUS)	+= cadmus.o
 COBJS-$(CONFIG_FSL_VIA)		+= cds_via.o