1 /*
2 *
3 * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the
16 * distribution.
17 *
18 * Neither the name of Texas Instruments Incorporated nor the names of
19 * its contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
38 /***********************************************************************************
39 * FILE PURPOSE: The NAND boot wrapper
40 ***********************************************************************************
41 * FILE NAME: nandboot.c
42 *
43 * DESCRIPTION: This file provides the nand boot wrapper used by IBL modules
44 *
45 * @file nandboot.c
46 *
47 * @brief
48 * The nand boot wrapper
49 *
50 ************************************************************************************/
51 #include "types.h"
52 #include "ibl.h"
53 #include "iblloc.h"
54 #include "nand.h"
55 #include "device.h"
57 /**
58 * @brief
59 * Nandboot is disabled through iblcfg.h. Disable the definition for the compilation
60 */
61 #ifdef iblNandBoot
62 #undef iblNandBoot
63 #endif
66 void iblNandBoot (void)
67 {
68 Uint32 entry;
69 void (*exit)();
71 /* Power up the device */
72 if (devicePowerPeriph (TARGET_PWR_NAND) < 0)
73 return;
76 /* Perform any device specific configurations */
77 if (deviceConfigureForNand() < 0)
78 return;
81 /* Open the nand driver */
82 if ((*nand_boot_module.open) ((void *)&ibl.nandConfig, NULL))
83 return;
86 entry = iblBoot (&nand_boot_module, ibl.nandConfig.bootFormat, &ibl.nandConfig.blob);
88 (*nand_boot_module.close)();
90 if (entry != 0) {
92 iblStatus.exitAddress = entry;
93 exit = (void (*)())entry;
94 (*exit)();
96 }
98 }