Initial mini2440 port.

Flyspray: FS#10627
Author: Bob Cousins

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23265 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 148 insertions, 0 deletions

diff --git a/bootloader/SOURCES b/bootloader/SOURCES
index a512064ffd..de902e2a4b 100644
--- a/bootloader/SOURCES
+++ b/bootloader/SOURCES
@@ -57,4 +57,7 @@ show_logo.c
 #elif defined(LYRE_PROTO1)
 lyre_proto1.c
 show_logo.c
+#elif defined(MINI2440)
+mini2440.c
+show_logo.c
 #endif
diff --git a/bootloader/mini2440.c b/bootloader/mini2440.c
new file mode 100644
index 0000000000..c17f386b5b
--- /dev/null
+++ b/bootloader/mini2440.c
@@ -0,0 +1,145 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *
+ * Copyright (C) 2009 by Bob Cousins, Lyre Project
+ *
+ * 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 Standard files */
+#include <stdlib.h>
+#include <stdio.h>
+#include "inttypes.h"
+#include "string.h"
+#include "cpu.h"
+#include "system.h"
+#include "lcd.h"
+#include "kernel.h"
+#include "thread.h"
+#include "storage.h"
+#include "fat.h"
+#include "disk.h"
+#include "font.h"
+#include "backlight.h"
+#include "button.h"
+#include "panic.h"
+#include "power.h"
+#include "file.h"
+#include "common.h"
+#include "sd.h"
+#include "backlight-target.h"
+#include "lcd-target.h"
+#include "debug-target.h"
+#if 0
+#include "dma-target.h"
+#include "uart-s3c2440.h"
+#endif
+#include "led-mini2440.h"
+
+/* Show the Rockbox logo - in show_logo.c */
+extern int show_logo(void);
+
+
+int main(void)
+{
+#if 0
+    /* required later */
+    unsigned char* loadbuffer;
+    int buffer_size;
+    int rc;
+    int(*kernel_entry)(void);
+#endif
+    int start, elapsed;
+
+    led_init();
+    clear_leds(LED_ALL);
+    /* NB: something in system_init() prevents H-JTAG from downloading */
+/*    system_init(); */ 
+    kernel_init();
+/*    enable_interrupt(IRQ_FIQ_STATUS); */
+    backlight_init();
+    lcd_init();
+    lcd_setfont(FONT_SYSFIXED);
+    button_init();
+#if 0    
+    dma_init();
+    uart_init_device(UART_DEBUG);
+#endif
+/*    mini2440_test(); */ 
+        
+#if 1
+    show_logo();
+    /* pause here for now */
+    led_flash(LED1|LED4, LED2|LED3);
+#endif
+
+    
+#if 0 
+    /* TODO */
+    
+    /* Show debug messages if button is pressed */
+    if(button_read_device() & BUTTON_MENU) 
+        verbose = true;
+        
+    printf("Rockbox boot loader");
+    printf("Version %s", APPSVERSION);
+
+    rc = storage_init();
+    if(rc)
+    {
+        reset_screen();
+        error(EATA, rc);
+    }
+
+    disk_init(IF_MD(0));
+    rc = disk_mount_all();
+    if (rc<=0)
+    {
+        error(EDISK,rc);
+    }
+
+    printf("Loading firmware");
+
+    /* Flush out anything pending first */
+    cpucache_invalidate();
+
+    loadbuffer = (unsigned char*) 0x31000000;
+    buffer_size = (unsigned char*)0x31400000 - loadbuffer;
+
+    rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
+    if(rc < 0)
+        error(EBOOTFILE, rc);
+    
+    printf("Loaded firmware %d\n", rc);
+    
+/*    storage_close(); */
+    system_prepare_fw_start();
+
+    if (rc == EOK)
+    {
+        uart_printf ("entering kernel\n");
+        cpucache_invalidate();
+        kernel_entry = (void*) loadbuffer;
+        rc = kernel_entry();
+    }
+        
+    uart_printf ("stopping %d\n", rc);
+#endif
+
+    /* end stop - should not get here */
+    led_flash(LED_ALL, LED_NONE);
+    while (1); /* avoid warning */
+}