Merge branch 'master' into for-linus

[safe/jmp/linux-2.6] / arch / arm / kernel / vmlinux.lds.S

diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 5cc4812..aecf87d 100644 (file)
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -199,6 +199,63 @@ SECTIONS
        }
        _edata_loc = __data_loc + SIZEOF(.data);
 
+#ifdef CONFIG_HAVE_TCM
+        /*
+        * We align everything to a page boundary so we can
+        * free it after init has commenced and TCM contents have
+        * been copied to its destination.
+        */
+       .tcm_start : {
+               . = ALIGN(PAGE_SIZE);
+               __tcm_start = .;
+               __itcm_start = .;
+       }
+
+       /*
+        * Link these to the ITCM RAM
+        * Put VMA to the TCM address and LMA to the common RAM
+        * and we'll upload the contents from RAM to TCM and free
+        * the used RAM after that.
+        */
+       .text_itcm ITCM_OFFSET : AT(__itcm_start)
+       {
+               __sitcm_text = .;
+               *(.tcm.text)
+               *(.tcm.rodata)
+               . = ALIGN(4);
+               __eitcm_text = .;
+       }
+
+       /*
+        * Reset the dot pointer, this is needed to create the
+        * relative __dtcm_start below (to be used as extern in code).
+        */
+       . = ADDR(.tcm_start) + SIZEOF(.tcm_start) + SIZEOF(.text_itcm);
+
+       .dtcm_start : {
+               __dtcm_start = .;
+       }
+
+       /* TODO: add remainder of ITCM as well, that can be used for data! */
+       .data_dtcm DTCM_OFFSET : AT(__dtcm_start)
+       {
+               . = ALIGN(4);
+               __sdtcm_data = .;
+               *(.tcm.data)
+               . = ALIGN(4);
+               __edtcm_data = .;
+       }
+
+       /* Reset the dot pointer or the linker gets confused */
+       . = ADDR(.dtcm_start) + SIZEOF(.data_dtcm);
+
+       /* End marker for freeing TCM copy in linked object */
+       .tcm_end : AT(ADDR(.dtcm_start) + SIZEOF(.data_dtcm)){
+               . = ALIGN(PAGE_SIZE);
+               __tcm_end = .;
+       }
+#endif
+
        .bss : {
                __bss_start = .;        /* BSS                          */
                *(.bss)