More iPod changes

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7825 a1c6a512-1295-4272-9138-f99709370657

firmware/app.lds

@@ -10,6 +10,7 @@ INPUT(crt0.o)
 #elif CONFIG_CPU == PP5020
 OUTPUT_FORMAT(elf32-littlearm)
 OUTPUT_ARCH(arm)
+INPUT(crt0.o)
 #else
 OUTPUT_FORMAT(elf32-sh)
 INPUT(crt0.o)
@@ -102,44 +103,6 @@ _audiobufend = 0;
 
 _pluginbuf = 0;
 
-}
-#elif CONFIG_CPU==PP5020
-SECTIONS
-{
-  . = 0x10000000;
-
-  .text : { 
-    *(.init.text)
-    *(.text)
-  }
-
-    __data_start__ = . ;
-  .data : { *(.data) }
-    __data_end__ = . ;
-
-  __stack_start__ = .;
-  .stack :
-  {
-     *(.stack)
-     _stackbegin = .;
-     stackbegin = .;
-     . += 0x2000;
-     _stackend = .;
-     stackend = .;
-  }
-
-  /* The bss section is too large for IRAM - we just move it at the
-     end of the regular RAM. */
-
-  . = 0x11c00000;
-  __bss_start__ = .;
-  .bss : {
-     *(.bss);
-     __bss_end__ = . ;
-   }
-
-
-
 }
 #else
 
@@ -159,6 +122,10 @@ SECTIONS
 #define DRAMORIG 0x31000000 + STUBOFFSET
 #define IRAMORIG 0x10000000
 #define IRAMSIZE 0xc000
+#elif CONFIG_CPU==PP5020
+#define DRAMORIG 0x10000000 + STUBOFFSET
+#define IRAMORIG 0x40000000
+#define IRAMSIZE 0xc000
 #else
 #define DRAMORIG 0x09000000 + STUBOFFSET
 #define IRAMORIG 0x0f000000
@@ -194,6 +161,10 @@ SECTIONS
         . = ALIGN(0x200);
         *(.init.text)
         *(.text*)
+#if CONFIG_CPU==PP5020
+        *(.glue_7)
+        *(.glue_7t)
+#endif
         . = ALIGN(0x4);
     } > DRAM
 
@@ -243,7 +214,7 @@ SECTIONS
         _iend = .;
     } > IRAM
 
-#ifdef CPU_COLDFIRE
+#if defined(CPU_COLDFIRE) || CONFIG_CPU==PP5020
     .stack :
     {
        *(.stack)
@@ -263,7 +234,7 @@ SECTIONS
     } > DRAM
 #endif
 
-#ifdef CPU_COLDFIRE
+#if defined(CPU_COLDFIRE) || CONFIG_CPU==PP5020
     .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
 #else
     .bss :

firmware/crt0.S

@@ -20,7 +20,7 @@
 #include "cpu.h"
 
 #if (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
-    .section .init.text
+    .section .init.text,"ax",%progbits
 #else
     .section .init.text,"ax",@progbits
 #endif
@@ -44,6 +44,8 @@ start:
     ldr    r0, =0xff000000
     and    r8, pc, r0             @ r8 is used later
 
+#ifdef BOOTLOADER
+
 #if CONFIG_CPU==PP5002
     mov    r0, #PP5002_PROC_ID
 #else
@@ -64,6 +66,7 @@ start:
 #endif
     str    r3, [r4]
 
+
     ldr    pc, =cop_wake_start
 
 cop_wake_start:
@@ -147,6 +150,10 @@ startup_loc:
 boot_table:
     /* here comes the boot table, don't move its offset */
     .space 400
+#else
+    /* TODO: Implement startup code */
+
+#endif /* BOOTLOADER (iPod) */
 
 #elif CONFIG_CPU == TCC730
     /* Platform:     Gmini 120/SP */

firmware/pcm_playback.c

@@ -329,4 +329,57 @@ void pcm_init(void)
     dma_stop();
 }
 
-#endif /* HAVE_UDA1380 */
+#elif defined(HAVE_WM8975)
+
+/* TODO: Implement for iPod - we should probably move the UDA1380 and
+   WM8975 specific code into separate files. 
+
+   For now, just implement some dummy functions.
+*/
+
+void pcm_init(void)
+{
+
+}
+
+void pcm_set_frequency(unsigned int frequency)
+{
+    (void)frequency;
+}
+
+void pcm_play_data(void (*get_more)(unsigned char** start, long* size))
+{
+    (void)get_more;
+}
+
+void pcm_play_stop(void)
+{
+}
+
+void pcm_play_pause(bool play)
+{
+    (void)play;
+}
+
+bool pcm_is_paused(void)
+{
+    return false;
+}
+
+bool pcm_is_playing(void)
+{
+    return false;
+}
+
+void pcm_calculate_peaks(int *left, int *right)
+{
+    (void)left;
+    (void)right;
+}
+
+long pcm_get_bytes_waiting(void)
+{
+    return 0;
+}
+
+#endif

firmware/system.c

@@ -1116,6 +1116,11 @@ void system_reboot(void) {
 
 }
 
+int system_memory_guard(int newmode)
+{
+    (void)newmode;
+    return 0;
+}
 
 #endif /* CONFIG_CPU */