[PATCH] powerpc: Remove section free() and linker script bits

Here is a new patch that removes all notion of the pmac, prep,
chrp and openfirmware initialization sections, and then unifies
the sections.h files without those __pmac, etc, sections identifiers
cluttering things up.
Signed-off-by: NJon Loeliger <jdl@freescale.com>
Signed-off-by: NKumar Gala <kumar.gala@freescale.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/ppc/kernel/vmlinux.lds.S

@@ -149,32 +149,6 @@ SECTIONS
 
   . = ALIGN(4096);
   _sextratext = .;
-  __pmac_begin = .;
-  .pmac.text : { *(.pmac.text) }
-  .pmac.data : { *(.pmac.data) }
-  . = ALIGN(4096);
-  __pmac_end = .;
-
-  . = ALIGN(4096);
-  __prep_begin = .;
-  .prep.text : { *(.prep.text) }
-  .prep.data : { *(.prep.data) }
-  . = ALIGN(4096);
-  __prep_end = .;
-
-  . = ALIGN(4096);
-  __chrp_begin = .;
-  .chrp.text : { *(.chrp.text) }
-  .chrp.data : { *(.chrp.data) }
-  . = ALIGN(4096);
-  __chrp_end = .;
-
-  . = ALIGN(4096);
-  __openfirmware_begin = .;
-  .openfirmware.text : { *(.openfirmware.text) }
-  .openfirmware.data : { *(.openfirmware.data) }
-  . = ALIGN(4096);
-  __openfirmware_end = .;
   _eextratext = .;
 
   __bss_start = .;

arch/ppc/mm/init.c

@@ -74,10 +74,6 @@ unsigned long agp_special_page;
 extern char _end[];
 extern char etext[], _stext[];
 extern char __init_begin, __init_end;
-extern char __prep_begin, __prep_end;
-extern char __chrp_begin, __chrp_end;
-extern char __pmac_begin, __pmac_end;
-extern char __openfirmware_begin, __openfirmware_end;
 
 #ifdef CONFIG_HIGHMEM
 pte_t *kmap_pte;
@@ -167,14 +163,6 @@ void free_initmem(void)
 
 	printk ("Freeing unused kernel memory:");
 	FREESEC(init);
-	if (_machine != _MACH_Pmac)
-		FREESEC(pmac);
-	if (_machine != _MACH_chrp)
-		FREESEC(chrp);
-	if (_machine != _MACH_prep)
-		FREESEC(prep);
-	if (!have_of)
-		FREESEC(openfirmware);
  	printk("\n");
 	ppc_md.progress = NULL;
 #undef FREESEC