Basic changes to add nano 2g to the build system, based on the Meizu M3 port. The bootloader builds, but does nothing due to lack of any drivers.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21828 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/s5l8700/boot.lds

@@ -1,7 +1,11 @@
 #include "config.h"
 
 ENTRY(_start)
+#ifdef ROCKBOX_LITTLE_ENDIAN
+OUTPUT_FORMAT(elf32-littlearm)
+#else
 OUTPUT_FORMAT(elf32-bigarm)
+#endif
 OUTPUT_ARCH(arm)
 STARTUP(target/arm/s5l8700/crt0.o)
 
@@ -28,7 +32,12 @@ MEMORY
     IRAM  : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
     FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE
 }
-	
+
+#ifdef IPOD_NANO2G
+#define LOAD_AREA IRAM
+#else
+#define LOAD_AREA FLASH
+#endif
 
 SECTIONS
 {
@@ -36,19 +45,19 @@ SECTIONS
     _intvectstart = . ;
     *(.intvect)
     _intvectend = _newstart ;  
-  } >IRAM AT> FLASH
+  } >IRAM AT> LOAD_AREA
   _intvectcopy = LOADADDR(.intvect) ;
 
   .text : {
     *(.init.text)
     *(.text*)
     *(.glue_7*)
-  } > FLASH
+  } > LOAD_AREA
 
   .rodata : {
     *(.rodata*)
     . = ALIGN(0x4);
-  } > FLASH
+  } > LOAD_AREA
 
   .data : {
     _datastart = . ;
@@ -59,7 +68,7 @@ SECTIONS
     *(.ncdata*);
     . = ALIGN(0x4);
     _dataend = . ;
-   } > IRAM AT> FLASH
+   } > IRAM AT> LOAD_AREA
    _datacopy = LOADADDR(.data) ;
 
   .stack :

firmware/target/arm/s5l8700/ipodnano2g/button-target.h

@@ -0,0 +1,78 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Barry Wardell
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _BUTTON_TARGET_H_
+#define _BUTTON_TARGET_H_
+
+#include <stdbool.h>
+#include "config.h"
+
+#define HAS_BUTTON_HOLD
+
+bool button_hold(void);
+void button_init_device(void);
+int button_read_device(void);
+
+void ipod_mini_button_int(void);
+void ipod_3g_button_int(void);
+void ipod_4g_button_int(void);
+
+/* iPod specific button codes */
+
+#define BUTTON_SELECT       0x00000001
+#define BUTTON_MENU         0x00000002
+
+#define BUTTON_LEFT         0x00000004
+#define BUTTON_RIGHT        0x00000008
+#define BUTTON_SCROLL_FWD   0x00000010
+#define BUTTON_SCROLL_BACK  0x00000020
+
+#define BUTTON_PLAY         0x00000040
+
+#define BUTTON_MAIN (BUTTON_SELECT|BUTTON_MENU\
+                |BUTTON_LEFT|BUTTON_RIGHT|BUTTON_SCROLL_FWD\
+                |BUTTON_SCROLL_BACK|BUTTON_PLAY)
+
+    /* Remote control's buttons */
+#ifdef IPOD_ACCESSORY_PROTOCOL
+#define BUTTON_RC_PLAY      0x00100000
+#define BUTTON_RC_STOP      0x00080000
+
+#define BUTTON_RC_LEFT      0x00040000
+#define BUTTON_RC_RIGHT     0x00020000
+#define BUTTON_RC_VOL_UP    0x00010000
+#define BUTTON_RC_VOL_DOWN  0x00008000
+
+#define BUTTON_REMOTE (BUTTON_RC_PLAY|BUTTON_RC_STOP\
+                |BUTTON_RC_LEFT|BUTTON_RC_RIGHT\
+                |BUTTON_RC_VOL_UP|BUTTON_RC_VOL_DOWN)
+#else
+#define BUTTON_REMOTE 0
+#endif
+
+/* This is for later
+#define  BUTTON_SCROLL_TOUCH 0x00000200
+*/
+
+
+#define POWEROFF_BUTTON BUTTON_PLAY
+#define POWEROFF_COUNT 40
+
+#endif /* _BUTTON_TARGET_H_ */

firmware/target/arm/s5l8700/ipodnano2g/lcd-nano2g.c

@@ -0,0 +1,142 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by ????
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+
+#include "hwcompat.h"
+#include "kernel.h"
+#include "lcd.h"
+#include "system.h"
+#include "cpu.h"
+
+/** globals **/
+
+static int xoffset; /* needed for flip */
+
+/*** hardware configuration ***/
+
+int lcd_default_contrast(void)
+{
+    return 0x1f;
+}
+
+void lcd_set_contrast(int val)
+{
+}
+
+void lcd_set_invert_display(bool yesno)
+{
+}
+
+/* turn the display upside down (call lcd_update() afterwards) */
+void lcd_set_flip(bool yesno)
+{
+    /* TODO: flip mode isn't working.  The commands in the else part of
+       this function are how the original firmware inits the LCD */
+
+    if (yesno)
+    {
+        xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 128 we have */
+    }
+    else 
+    {
+        xoffset = 0;
+    }
+}
+
+
+
+void lcd_off(void)
+{
+}
+
+void lcd_on(void)
+{
+}
+
+/* LCD init */
+void lcd_init_device(void)
+{
+}
+
+
+/*** Update functions ***/
+
+/* Performance function that works with an external buffer
+   note that by and bheight are in 8-pixel units! */
+void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
+                   int bheight, int stride)
+{
+    /* Copy display bitmap to hardware */
+    while (bheight--)
+    {
+    }
+}
+
+
+/* Performance function that works with an external buffer
+   note that by and bheight are in 8-pixel units! */
+void lcd_blit_grey_phase_blit(unsigned char *values, unsigned char *phases,
+                         int x, int by, int width, int bheight, int stride)
+{
+    (void)values;
+    (void)phases;
+    (void)x;
+    (void)by;
+    (void)width;
+    (void)bheight;
+    (void)stride;
+}
+
+/* Update the display.
+   This must be called after all other LCD functions that change the display. */
+void lcd_update(void) ICODE_ATTR;
+void lcd_update(void)
+{
+    int y;
+
+    /* Copy display bitmap to hardware */
+    for (y = 0; y < LCD_FBHEIGHT; y++)
+    {
+    }
+}
+
+/* Update a fraction of the display. */
+void lcd_update_rect(int, int, int, int) ICODE_ATTR;
+void lcd_update_rect(int x, int y, int width, int height)
+{
+    int ymax;
+
+    /* The Y coordinates have to work on even 8 pixel rows */
+    ymax = (y + height-1) >> 3;
+    y >>= 3;
+
+    if(x + width > LCD_WIDTH)
+        width = LCD_WIDTH - x;
+    if (width <= 0)
+        return; /* nothing left to do, 0 is harmful to lcd_write_data() */
+    if(ymax >= LCD_FBHEIGHT)
+        ymax = LCD_FBHEIGHT-1;
+
+    /* Copy specified rectange bitmap to hardware */
+    for (; y <= ymax; y++)
+    {
+    }
+}