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authorDominik Wenger <domonoky@googlemail.com>2009-10-19 18:14:27 +0000
committerDominik Wenger <domonoky@googlemail.com>2009-10-19 18:14:27 +0000
commit41c497025f40615373817498606fabd0fcd41dd6 (patch)
tree1a35952304d53a222cae58812114c37c86eee30d /bootloader/mini2440.c
parent660dbd697d54199db5dfc33d2d3859825f0f77ac (diff)
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Initial mini2440 port.
Flyspray: FS#10627 Author: Bob Cousins git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23265 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'bootloader/mini2440.c')
-rw-r--r--bootloader/mini2440.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/bootloader/mini2440.c b/bootloader/mini2440.c
new file mode 100644
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+/***************************************************************************
+ * __________ __ ___.
+ * 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 */
+}