Add an app.lds and some stub functions for the Nano 2G - this isn't enough to make rockbox.bin compile, but it's a step towards it (more commits coming soon).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22714 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/s5l8700/app.lds

@@ -0,0 +1,150 @@
+#include "config.h"
+#include "cpu.h"
+
+ENTRY(start)
+
+OUTPUT_FORMAT(elf32-littlearm)
+OUTPUT_ARCH(arm)
+STARTUP(target/arm/s5l8700/crt0.o)
+
+#define PLUGINSIZE PLUGIN_BUFFER_SIZE
+#define CODECSIZE CODEC_SIZE
+
+#ifdef DEBUG
+#define STUBOFFSET 0x10000
+#else
+#define STUBOFFSET 0
+#endif
+
+
+#define IRAMORIG 0x0
+#define DRAMORIG 0x08000000
+
+/* End of the audio buffer, where the codec buffer starts */
+#define ENDAUDIOADDR  (DRAMORIG + DRAMSIZE)
+
+#define DRAM_SIZE (MEMORYSIZE * 0x100000)
+
+#define DRAMSIZE (DRAM_SIZE - STUBOFFSET - PLUGINSIZE - CODECSIZE)
+#define CODECORIG (ENDAUDIOADDR)
+#define IRAMSIZE (0x20000)
+
+/* Where the codec buffer ends, and the plugin buffer starts */
+#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
+
+MEMORY
+{
+    IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
+    DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
+}
+
+SECTIONS
+{
+    loadaddress = DRAMORIG;
+
+    .intvect : {
+        _intvectstart = . ;
+        *(.intvect)
+        _intvectend = _newstart ;  
+    } >IRAM AT> DRAM
+    _intvectcopy = LOADADDR(.intvect) ;
+
+    .text :
+    {
+        _loadaddress = .;
+        _textstart = .;
+        *(.init.text)
+        *(.text)
+        *(.text*)
+        *(.glue_7)
+        *(.glue_7t)
+        . = ALIGN(0x4);
+    } > DRAM
+
+    .rodata :
+    {
+        *(.rodata*)
+        . = ALIGN(0x4);
+    } > DRAM
+
+    .data :
+    {
+        *(.data*)
+        . = ALIGN(0x4);
+    } > DRAM
+
+    /DISCARD/ :
+    {
+        *(.eh_frame)
+    }
+
+    .iram :
+    {
+        _iramstart = .;
+        *(.icode)
+        *(.irodata)
+        *(.idata)
+        . = ALIGN(0x4);
+        _iramend = .;
+    } > IRAM AT> DRAM
+    _iramcopy = LOADADDR(.iram) ;
+
+    .ibss (NOLOAD) :
+    {
+        _iedata = .;
+        *(.qharray)
+        *(.ibss)
+        . = ALIGN(0x4);
+        _iend = .;
+    } > IRAM
+
+    .stack (NOLOAD) :
+    {
+       *(.stack)
+       stackbegin = .;
+       _stackbegin = .;
+       . += 0x2000;
+       stackend = .;
+       _stackend = .;
+       _irqstackbegin = .;
+       . += 0x400;
+       _irqstackend = .;
+       _fiqstackbegin = .;
+       . += 0x400;
+       _fiqstackend = .;
+    } > IRAM
+
+    .bss (NOLOAD) :
+    {
+       _edata = .;
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(0x4);
+       _end = .;
+    } > DRAM
+
+    .audiobuf (NOLOAD) :
+    {
+        . = ALIGN(4);
+        _audiobuffer = .;
+        audiobuffer = .;
+    } > DRAM
+
+    .audiobufend ENDAUDIOADDR (NOLOAD) :
+    {
+        audiobufend = .;
+        _audiobufend = .;
+    } > DRAM
+
+    .codec CODECORIG (NOLOAD) :
+    {
+        codecbuf = .;
+        _codecbuf = .;
+    } > DRAM
+
+    .plugin ENDADDR (NOLOAD) :
+    {
+        _pluginbuf = .;
+        pluginbuf = .;
+    }
+}

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

@@ -0,0 +1,59 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Michael Sevakis
+ *
+ * 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 "system.h"
+#include "cpu.h"
+#include "audio.h"
+#include "sound.h"
+
+void audio_set_output_source(int source)
+{
+    if ((unsigned)source >= AUDIO_NUM_SOURCES)
+        source = AUDIO_SRC_PLAYBACK;
+} /* audio_set_output_source */
+
+void audio_input_mux(int source, unsigned flags)
+{
+    (void)flags;
+    /* Prevent pops from unneeded switching */
+    static int last_source = AUDIO_SRC_PLAYBACK;
+
+    switch (source)
+    {
+        default:                        /* playback - no recording */
+            source = AUDIO_SRC_PLAYBACK;
+        case AUDIO_SRC_PLAYBACK:
+            if (source != last_source)
+            {
+                audiohw_set_monitor(false);
+                audiohw_disable_recording();
+            }
+        break;
+        case AUDIO_SRC_LINEIN:          /* recording only */
+            if (source != last_source)
+            {
+                audiohw_set_monitor(false);
+                audiohw_enable_recording(false); /* source line */
+            }
+        break;
+    } /* end switch */
+
+    last_source = source;
+} /* audio_input_mux */

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

@@ -0,0 +1,56 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright © 2009 Bertrik Sikken
+ *
+ * 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 <stdbool.h>
+#include "config.h"
+#include "inttypes.h"
+#include "s5l8700.h"
+#include "power.h"
+
+/*  Power handling for S5L8700 based Meizu players
+
+    The M3 and M6 players appear to use the same pins for power, USB detection
+    and charging status.
+*/
+
+void power_off(void)
+{
+    /* TODO */
+    while(1);
+}
+
+void power_init(void)
+{
+    /* TODO */
+}
+
+#if CONFIG_CHARGING
+unsigned int power_input_status(void)
+{
+    /* TODO */
+    return POWER_INPUT_NONE;
+}
+
+bool charging_state(void)
+{
+    /* TODO */
+    return false;
+}
+#endif /* CONFIG_CHARGING */

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

@@ -0,0 +1,65 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright © 2008 Rafaël Carré
+ *
+ * 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 "adc.h"
+#include "adc-target.h"
+#include "powermgmt.h"
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+    /* TODO: this is just an initial guess */
+    3400
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+    /* TODO: this is just an initial guess */
+    3300
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+    /* TODO: simple uncalibrated curve, linear except for first 10% */
+    { 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200 }
+};
+
+#if CONFIG_CHARGING
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+    /* TODO: simple uncalibrated curve, linear except for first 10% */
+    3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200
+};
+#endif /* CONFIG_CHARGING */
+
+/* ADC should read 0x3ff=5.12V */
+#define BATTERY_SCALE_FACTOR 5125       
+/* full-scale ADC readout (2^10) in millivolt */
+
+
+/* Returns battery voltage from ADC [millivolts] */
+unsigned int battery_adc_voltage(void)
+{
+    return 4000;
+}
+

firmware/target/arm/s5l8700/usb-s5l8700.c

@@ -0,0 +1,47 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: usb-fw-pp502x.c 21932 2009-07-17 22:07:06Z roolku $
+ *
+ * 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 "usb.h"
+
+void usb_init_device(void)
+{
+}
+
+void usb_enable(bool on)
+{
+    (void)on;
+}
+
+void usb_attach(void)
+{
+
+}
+
+static bool usb_pin_state(void)
+{
+    return false;
+}
+
+/* detect host or charger (INSERTED or EXTRACTED) */
+int usb_detect(void)
+{
+    return usb_pin_state() ? USB_INSERTED : USB_EXTRACTED;
+}