Enable IRAM on TCC7801 (Cowon D2) for a 6-12% speedup in codecs that use it, and a small increase in battery life.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26436 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/tcc780x/app.lds

@@ -116,8 +116,7 @@ SECTIONS
         *(.icode)
         . = ALIGN(0x4);
         _iramend = .;
-    /* } > SRAM AT> DRAM */
-    } > DRAM
+    } > SRAM AT> DRAM
 
     _iramcopy = LOADADDR(.iram);
     
@@ -127,8 +126,7 @@ SECTIONS
         *(.ibss)
         . = ALIGN(0x4);
         _iend = .;
-    /* } > SRAM */
-    } > DRAM
+    } > SRAM
 
     .stack :
     {
@@ -136,8 +134,7 @@ SECTIONS
        stackbegin = .;
        . += 0x2000;
        stackend = .;
-    /* } > SRAM */
-    } > DRAM
+    } > SRAM
 
     .bss :
     {

firmware/target/arm/tcc780x/crt0.S

@@ -155,8 +155,8 @@ copied_start:
     ldr     r0, =0x8001eec0  /* Region 6: 0x80000000-0xffffffff (2Gb) */
     str     r0, [r1,#0x18]   /* AP: 3 EN: 1 DO: 6 CACHE_NONE */
 
-    ldr     r0, =0x1001aee0  /* Region 7: 0x10000000-0x17ffffff (128Mb) */
-    str     r0, [r1,#0x1c]   /* AP: 3 EN: 1 DO: 7 CACHE_NONE */
+    ldr     r0, =0x1001aeec  /* Region 7: 0x10000000-0x17ffffff (128Mb) */
+    str     r0, [r1,#0x1c]   /* AP: 3 EN: 1 DO: 7 CACHE_ALL */
 
     add     r1, r1, #0x8000
     mcr     p15, 0, r1, c2, c0, 0  /* Set TTBR = TABBASE (Virtual TLB) */