Put the X5 bootloader in a separate file

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12456 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 199 insertions, 0 deletions

diff --git a/bootloader/iaudio_x5.c b/bootloader/iaudio_x5.c
new file mode 100644
index 0000000000..412b8f03f6
--- /dev/null
+++ b/bootloader/iaudio_x5.c
@@ -0,0 +1,199 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: main.c 12453 2007-02-22 15:09:49Z linus $
+ *
+ * Copyright (C) 2007 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "inttypes.h"
+#include "string.h"
+#include "cpu.h"
+#include "system.h"
+#include "lcd.h"
+#include "lcd-remote.h"
+#include "kernel.h"
+#include "thread.h"
+#include "ata.h"
+#include "usb.h"
+#include "disk.h"
+#include "font.h"
+#include "adc.h"
+#include "backlight.h"
+#include "backlight-target.h"
+#include "button.h"
+#include "panic.h"
+#include "power.h"
+#include "file.h"
+
+#include "pcf50606.h"
+#include "common.h"
+
+#include <stdarg.h>
+
+/* Maximum allowed firmware image size. 10MB is more than enough */
+#define MAX_LOADSIZE (10*1024*1024)
+
+#define DRAM_START 0x31000000
+
+int usb_screen(void)
+{
+   return 0;
+}
+
+char version[] = APPSVERSION;
+
+/* Reset the cookie for the crt0 crash check */
+inline void __reset_cookie(void)
+{
+    asm(" move.l #0,%d0");
+    asm(" move.l %d0,0x10017ffc");
+}
+
+void start_firmware(void)
+{
+    asm(" move.w #0x2700,%sr");
+    __reset_cookie();
+    asm(" move.l %0,%%d0" :: "i"(DRAM_START));
+    asm(" movec.l %d0,%vbr");
+    asm(" move.l %0,%%sp" :: "m"(*(int *)DRAM_START));
+    asm(" move.l %0,%%a0" :: "m"(*(int *)(DRAM_START+4)));
+    asm(" jmp (%a0)");
+}
+
+void shutdown(void)
+{
+    printf("Shutting down...");
+    
+    /* We need to gracefully spin down the disk to prevent clicks. */
+    if (ide_powered())
+    {
+        /* Make sure ATA has been initialized. */
+        ata_init();
+        
+        /* And put the disk into sleep immediately. */
+        ata_sleepnow();
+    }
+
+    sleep(HZ*2);
+    
+    /* Backlight OFF */
+    __backlight_off();
+#ifdef HAVE_REMOTE_LCD
+    __remote_backlight_off();
+#endif
+    
+    __reset_cookie();
+    power_off();
+}
+
+/* Print the battery voltage (and a warning message). */
+void check_battery(void)
+{
+    int adc_battery, battery_voltage, batt_int, batt_frac;
+    
+    adc_battery = adc_read(ADC_BATTERY);
+
+    battery_voltage = (adc_battery * BATTERY_SCALE_FACTOR) / 10000;
+    batt_int = battery_voltage / 100;
+    batt_frac = battery_voltage % 100;
+
+    printf("Batt: %d.%02dV", batt_int, batt_frac);
+
+    if (battery_voltage <= 350) 
+    {
+        printf("WARNING! BATTERY LOW!!");
+        sleep(HZ*2);
+    }
+}
+
+void main(void)
+{
+    int i;
+    int rc;
+    bool rc_on_button = false;
+    bool on_button = false;
+    bool rec_button = false;
+    bool hold_status = false;
+    int data;
+
+    (void)rc_on_button;
+    (void)on_button;
+    (void)rec_button;
+    (void)hold_status;
+    (void)data;
+    power_init();
+
+    system_init();
+    kernel_init();
+
+    set_cpu_frequency(CPUFREQ_NORMAL);
+    coldfire_set_pllcr_audio_bits(DEFAULT_PLLCR_AUDIO_BITS);
+
+    set_irq_level(0);
+    lcd_init();
+#ifdef HAVE_REMOTE_LCD
+    lcd_remote_init();
+#endif
+    backlight_init();
+    font_init();
+    adc_init();
+    button_init();
+
+    printf("Rockbox boot loader");
+    printf("Version %s", version);
+    
+    check_battery();
+
+    rc = ata_init();
+    if(rc)
+    {
+        printf("ATA error: %d", rc);
+        sleep(HZ*5);
+        power_off();
+    }
+
+    disk_init();
+
+    rc = disk_mount_all();
+    if (rc<=0)
+    {
+        printf("No partition found");
+        sleep(HZ*5);
+        power_off();
+    }
+
+    printf("Loading firmware");
+    i = load_firmware((unsigned char *)DRAM_START, BOOTFILE, MAX_LOADSIZE);
+    printf("Result: %s", strerror(i));
+
+    if (i < EOK) {
+        printf("Error!");
+        printf("Can't load rockbox.ipod:");
+        printf(strerror(rc));
+        sleep(HZ*3);
+        power_off();
+    } else {
+        start_firmware();
+    }
+}
+
+/* These functions are present in the firmware library, but we reimplement
+   them here because the originals do a lot more than we want */
+void screen_dump(void)
+{
+}