asm.h

00001 /*
00002  * Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
00003  * to the MC1322x project (http://mc1322x.devl.org)
00004  * All rights reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  * 1. Redistributions of source code must retain the above copyright
00010  *    notice, this list of conditions and the following disclaimer.
00011  * 2. Redistributions in binary form must reproduce the above copyright
00012  *    notice, this list of conditions and the following disclaimer in the
00013  *    documentation and/or other materials provided with the distribution.
00014  * 3. Neither the name of the Institute nor the names of its contributors
00015  *    may be used to endorse or promote products derived from this software
00016  *    without specific prior written permission.
00017  *
00018  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00019  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00020  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00022  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00023  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00024  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00025  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00026  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00027  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00028  * SUCH DAMAGE.
00029  *
00030  * This file is part of libmc1322x: see http://mc1322x.devl.org
00031  * for details. 
00032  *
00033  *
00034  */
00035 
00036 #ifndef ASM_H
00037 #define ASM_H
00038 
00039 /* Structure-based register definitions */
00040 /* Example use:
00041         ASM->KEY0 = 0xaabbccdd;
00042         ASM->CONTROL1bits = (struct ASM_CONTROL1) {
00043                  .MASK_IRQ = 1,
00044                  .CBC = 1,
00045         };
00046         ASM->CONTROL1bits.SELF_TEST = 1;
00047 */
00048 
00049 struct ASM_struct {
00050         uint32_t KEY0;
00051         uint32_t KEY1;
00052         uint32_t KEY2;
00053         uint32_t KEY3;
00054         uint32_t DATA0;
00055         uint32_t DATA1;
00056         uint32_t DATA2;
00057         uint32_t DATA3;
00058         uint32_t CTR0;
00059         uint32_t CTR1;
00060         uint32_t CTR2;
00061         uint32_t CTR3;
00062         uint32_t CTR0_RESULT;
00063         uint32_t CTR1_RESULT;
00064         uint32_t CTR2_RESULT;
00065         uint32_t CTR3_RESULT;
00066         uint32_t CBC0_RESULT;
00067         uint32_t CBC1_RESULT;
00068         uint32_t CBC2_RESULT;
00069         uint32_t CBC3_RESULT;
00070 
00071         union {
00072                 uint32_t CONTROL0;
00073                 struct ASM_CONTROL0 {
00074                         uint32_t :24;
00075                         uint32_t START:1;
00076                         uint32_t CLEAR:1;
00077                         uint32_t LOAD_MAC:1;
00078                         uint32_t :4;
00079                         uint32_t CLEAR_IRQ:1;
00080                 } CONTROL0bits;
00081         };
00082         union {
00083                 uint32_t CONTROL1;
00084                 struct ASM_CONTROL1 {
00085                         uint32_t ON:1;
00086                         uint32_t NORMAL_MODE:1;
00087                         uint32_t BYPASS:1;
00088                         uint32_t :21;
00089                         uint32_t CBC:1;
00090                         uint32_t CTR:1;
00091                         uint32_t SELF_TEST:1;
00092                         uint32_t :4;
00093                         uint32_t MASK_IRQ:1;
00094                 } CONTROL1bits;
00095         };
00096         union {
00097                 uint32_t STATUS;
00098                 struct ASM_STATUS {
00099                         uint32_t :24;
00100                         uint32_t DONE:1;
00101                         uint32_t TEST_PASS:1;
00102                         uint32_t :6;
00103                 } STATUSbits;
00104         };
00105 
00106         uint32_t reserved;
00107 
00108         uint32_t MAC0;
00109         uint32_t MAC1;
00110         uint32_t MAC2;
00111         uint32_t MAC3;
00112 };
00113 
00114 static volatile struct ASM_struct * const ASM = (void *) (0x80008000);
00115 
00116 #endif

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