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-rw-r--r--target/linux/coldfire/patches/015-m5445x_cau_crypto.patch1937
1 files changed, 1937 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/015-m5445x_cau_crypto.patch b/target/linux/coldfire/patches/015-m5445x_cau_crypto.patch
new file mode 100644
index 0000000000..dac62e2857
--- /dev/null
+++ b/target/linux/coldfire/patches/015-m5445x_cau_crypto.patch
@@ -0,0 +1,1937 @@
+From 67e24d4008a39fa02a4748a3abf54410b15262b3 Mon Sep 17 00:00:00 2001
+From: Kurt Mahan <kmahan@freescale.com>
+Date: Tue, 20 Nov 2007 10:02:16 -0700
+Subject: [PATCH] Add Coldfire CAU crypto support for DES/3DES/AES/MD5/AES.
+
+LTIBName: m5445x-cau-crypto
+Signed-off-by: Kurt Mahan <kmahan@freescale.com>
+---
+ drivers/crypto/Kconfig | 63 ++++
+ drivers/crypto/Makefile | 5 +
+ drivers/crypto/mcfcau-aes.c | 311 ++++++++++++++++++++
+ drivers/crypto/mcfcau-des.c | 437 ++++++++++++++++++++++++++++
+ drivers/crypto/mcfcau-md5.c | 654 ++++++++++++++++++++++++++++++++++++++++++
+ drivers/crypto/mcfcau-sha1.c | 280 ++++++++++++++++++
+ drivers/crypto/mcfcau.c | 32 ++
+ drivers/crypto/mcfcau.h | 98 +++++++
+ 8 files changed, 1880 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/crypto/mcfcau-aes.c
+ create mode 100644 drivers/crypto/mcfcau-des.c
+ create mode 100644 drivers/crypto/mcfcau-md5.c
+ create mode 100644 drivers/crypto/mcfcau-sha1.c
+ create mode 100644 drivers/crypto/mcfcau.c
+ create mode 100644 drivers/crypto/mcfcau.h
+
+--- a/drivers/crypto/Kconfig
++++ b/drivers/crypto/Kconfig
+@@ -60,6 +60,69 @@ config CRYPTO_DEV_GEODE
+ To compile this driver as a module, choose M here: the module
+ will be called geode-aes.
+
++config CRYPTO_DEV_MCFCAU
++ bool "Support for Freescale Coldfire Cryptographic Acceleration Unit (CAU)"
++ depends on M54455
++ select CRYPTO_ALGAPI
++ help
++ The cryptographic acceleration unit (CAU) is a ColdFire coprocessor
++ implementing a set of specialized operations in hardware. For example, you can
++ find it on MCF54455.
++
++config CRYPTO_DEV_MCFCAU_DES
++ tristate "DES and Triple DES cipher algorithms (MCF54455)"
++ depends on CRYPTO_DEV_MCFCAU
++ select CRYPTO_ALGAPI
++ select CRYPTO_BLKCIPHER
++ help
++ DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
++
++ Say 'Y' here to use the CAU coprocessor for
++ the CryptoAPI DES and 3DES alogrithms.
++
++ To compile this driver as a module, choose M here: the module
++ will be called mcfcau-des.
++
++config CRYPTO_DEV_MCFCAU_AES
++ tristate "AES cipher algorithm (MCF54455)"
++ depends on CRYPTO_DEV_MCFCAU
++ select CRYPTO_ALGAPI
++ select CRYPTO_BLKCIPHER
++ help
++ AES cipher algorithm (FIPS 197).
++
++ Say 'Y' here to use the CAU coprocessor for
++ the CryptoAPI AES alogrithm.
++
++ To compile this driver as a module, choose M here: the module
++ will be called mcfcau-aes.
++
++config CRYPTO_DEV_MCFCAU_MD5
++ tristate "MD5 digest algorithm (MCF54455)"
++ depends on CRYPTO_DEV_MCFCAU
++ select CRYPTO_ALGAPI
++ help
++ MD5 message digest algorithm (RFC1321).
++
++ Say 'Y' here to use the CAU coprocessor for
++ the CryptoAPI MD5 alogrithm.
++
++ To compile this driver as a module, choose M here: the module
++ will be called mcfcau-md5.
++
++config CRYPTO_DEV_MCFCAU_SHA1
++ tristate "SHA1 digest algorithm (MCF54455)"
++ depends on CRYPTO_DEV_MCFCAU
++ select CRYPTO_ALGAPI
++ help
++ SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
++
++ Say 'Y' here to use the CAU coprocessor for
++ the CryptoAPI SHA1 alogrithm.
++
++ To compile this driver as a module, choose M here: the module
++ will be called mcfcau-sha1.
++
+ config ZCRYPT
+ tristate "Support for PCI-attached cryptographic adapters"
+ depends on S390
+--- a/drivers/crypto/Makefile
++++ b/drivers/crypto/Makefile
+@@ -2,3 +2,8 @@ obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) +=
+ obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
+ obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
+ obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
++obj-$(CONFIG_CRYPTO_DEV_MCFCAU) += mcfcau.o
++obj-$(CONFIG_CRYPTO_DEV_MCFCAU_DES) += mcfcau-des.o
++obj-$(CONFIG_CRYPTO_DEV_MCFCAU_AES) += mcfcau-aes.o
++obj-$(CONFIG_CRYPTO_DEV_MCFCAU_MD5) += mcfcau-md5.o
++obj-$(CONFIG_CRYPTO_DEV_MCFCAU_SHA1) += mcfcau-sha1.o
+--- /dev/null
++++ b/drivers/crypto/mcfcau-aes.c
+@@ -0,0 +1,311 @@
++ /***************************************************************************
++ * mcfcau-aes.c - Implementation of AES Cipher Algorithm
++ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
++ *
++ * Author: Andrey Butok
++ * Copyright Freescale Semiconductor Inc. 2007
++ *
++ * NOTE: You can find the ColdFire CAU module on MCF54455 and MCF52235.
++ *
++ * 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 program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software Foundation,
++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ ***************************************************************************
++ * Changes:
++ * v0.01 17 September 2007 Andrey Butok
++ * Initial Release - developed on 2.6.20 Linux kernel.
++ */
++
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/types.h>
++#include <linux/errno.h>
++#include <linux/crypto.h>
++
++/*
++#undef DEBUG
++#define DEBUG 1
++*/
++
++#include "mcfcau.h"
++
++#define MCFCAU_AES_MIN_KEY_SIZE (16)
++#define MCFCAU_AES_MAX_KEY_SIZE (32)
++#define MCFCAU_AES_BLOCK_SIZE (16)
++
++#define MCFCAU_AES_DRIVER_DESC "AES ColdFire CAU driver"
++#define MCFCAU_AES_DRIVER_VERSION "v0.01"
++
++struct mcfcau_aes_ctx {
++ int Nr_1;
++ u32 buf[120];
++ u32 buf_tmp[16];
++};
++
++static u32 mcfcau_rco_tab[10]={ 0x01000000, 0x02000000, 0x04000000, 0x08000000,
++ 0x10000000, 0x20000000, 0x40000000, 0x80000000,
++ 0x1b000000, 0x36000000};
++
++int mcfcau_aes_setkey(struct crypto_tfm *tfm, const u8 *in_key,
++ unsigned int key_len)
++{
++ struct mcfcau_aes_ctx *ctx = crypto_tfm_ctx(tfm);
++ const u32 * key = (const u32 *)in_key;
++ u32 *flags = &tfm->crt_flags;
++ u32 i;
++ u32* key_sch = (&ctx->buf[0]);
++ u32 * temp_p, * rcon_p;
++ u32 Nx;
++ u32 Nk;
++ unsigned long iflags;
++
++ DBG("\n");
++
++ if (key_len % 8) {
++ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
++ return -EINVAL;
++ }
++
++ Nk = key_len>>2;
++
++ for(i=0;i<Nk;i++){
++ key_sch[i] = key[i];
++ }
++
++ ctx->Nr_1 = Nk+5;
++
++ /* Key Expansion */
++ temp_p=&key_sch[Nk-1];
++ rcon_p=&mcfcau_rco_tab[0];
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++
++ asm volatile ("move.l %0, %%a1"::"m"(temp_p):"a1");
++ asm volatile ("move.l %0, %%a3"::"m"(rcon_p):"a3");
++ asm volatile ("move.l %0, %%a4"::"m"(key_sch):"a4");
++
++ Nx=(Nk+7)<<2; /* (Nr+1)*Nb */
++
++ for(i=Nk; i<Nx; i++)
++ {
++ /* temp = key_sch[Nk-1] */
++ asm volatile ("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CAA):"a1");
++
++ if(i%Nk==0){
++ asm volatile ("moveq #8, %%d0":::"d0");
++ /* CAA=RotWord(temp) */
++ asm volatile ("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA):"d0");
++ /* SubWord(CAA) */
++ asm volatile ("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_AESS+MCFCAU_CAA));
++ /* ACC xor rcon[i/Nk] */
++ asm volatile ("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CAA):"a3");
++
++ }else if((Nk>6) && (i%Nk ==4)){
++ /* SubWord(ACC) */
++ asm volatile ("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_AESS+MCFCAU_CAA));
++ }
++
++ /* key_sch[i]^=key_sch[i-Nk]; store ACC to key_sch[i] */
++ asm volatile ("cp0ld.l (%%a4)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CAA):"a4");
++ asm volatile ("cp0st.l %%d0,(%%a1),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CAA));
++ }
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++
++ return 0;
++}
++
++
++/* encrypt a block of text */
++static void mcfcau_aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
++{
++ struct mcfcau_aes_ctx *ctx = crypto_tfm_ctx(tfm);
++ const int Nr_1 = ctx->Nr_1;
++
++ u32* key_sch = &(ctx->buf[0]);
++ u32 i;
++ unsigned long iflags;
++
++ DBG("\n");
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++ asm("move.l %0, %%a1"::"m"(in):"a1");
++ asm("move.l %0, %%a0"::"m"(key_sch):"a0");
++ /* state=in */
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3):"a1");
++ /* AddRoundKey() */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA1):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA3):"a0");
++
++ for(i=Nr_1;i>0;i--){
++ /* SubBytes(state) */
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA0));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA3));
++ /* ShiftRows(state) */
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESR));
++ /* MixColumns(state); AddRoundKey() */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_AESC+MCFCAU_CA0):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_AESC+MCFCAU_CA1):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_AESC+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_AESC+MCFCAU_CA3):"a0");
++ }
++ /* SubBytes(state)*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA0));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESS+MCFCAU_CA3));
++ /* ShiftRows(state) */
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESR));
++ /* AddRoundKey() */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA1):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA3):"a0");
++ /* out = state */
++ asm("move.l %0, %%a1" ::"m"(out):"a1");
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA0):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA1):"d1");
++
++ asm("move.l %%d0,(%%a1)+":::"a1");
++ asm("move.l %%d1,(%%a1)+":::"a1");
++
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"d1");
++
++ asm("move.l %%d0,(%%a1)+":::"a1");
++ asm("move.l %%d1,(%%a1)+":::"a1");
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++
++/* decrypt a block of text */
++static void mcfcau_aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
++{
++ struct mcfcau_aes_ctx *ctx = crypto_tfm_ctx(tfm);
++ u32* key_sch = &(ctx->buf[0]);
++ u32 i;
++ unsigned long iflags;
++ const int Nr_1 = ctx->Nr_1;
++ key_sch=&key_sch[(Nr_1+2)*4];
++
++ DBG("\n");
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++
++ asm("move.l %0, %%a1"::"m"(in):"a1");
++ asm("move.l %0, %%a0"::"m"(key_sch):"a0");
++ /* state=in */
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3):"a1");
++ /* AddRoundKey() */
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA3):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA1):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0):"a0");
++
++ for(i=Nr_1;i>0;i--){
++ /* InvShiftRows(state) */
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIR));
++ /* InvSubBytes(state) */
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA3));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA0));
++ /* InvMixColumns(state); AddRoundKey() */
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_AESIC+MCFCAU_CA3):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_AESIC+MCFCAU_CA2):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_AESIC+MCFCAU_CA1):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_AESIC+MCFCAU_CA0):"a0");
++ }
++ /* InvShiftRows(state) */
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIR));
++ /* InvSubBytes(state)*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA3));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_AESIS+MCFCAU_CA0));
++ /* AddRoundKey() */
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA3):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA1):"a0");
++ asm("cp0ld.l -(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0):"a0");
++ /* out = state */
++ asm("move.l %0, %%a1" ::"m"(out):"a1");
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA0):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA1):"d1");
++
++ asm("move.l %%d0,(%%a1)+":::"a1");
++ asm("move.l %%d1,(%%a1)+":::"a1");
++
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"d1");
++
++ asm("move.l %%d0,(%%a1)+":::"a1");
++ asm("move.l %%d1,(%%a1)+":::"a1");
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++
++}
++
++
++static struct crypto_alg mcfcau_aes_alg = {
++ .cra_name = "aes",
++ .cra_driver_name = "aes-mcfcau",
++ .cra_priority = MCFCAU_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
++ .cra_blocksize = MCFCAU_AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mcfcau_aes_ctx),
++ .cra_alignmask = 3,
++ .cra_module = THIS_MODULE,
++ .cra_list = LIST_HEAD_INIT(mcfcau_aes_alg.cra_list),
++ .cra_u = {
++ .cipher = {
++ .cia_min_keysize = MCFCAU_AES_MIN_KEY_SIZE,
++ .cia_max_keysize = MCFCAU_AES_MAX_KEY_SIZE,
++ .cia_setkey = mcfcau_aes_setkey,
++ .cia_encrypt = mcfcau_aes_encrypt,
++ .cia_decrypt = mcfcau_aes_decrypt
++ }
++ }
++};
++
++static int __init mcfcau_aes_init(void)
++{
++ int ret = crypto_register_alg(&mcfcau_aes_alg);
++
++ printk(KERN_INFO MCFCAU_AES_DRIVER_DESC " "
++ MCFCAU_AES_DRIVER_VERSION " %s.\n",ret?"failed":"registered");
++ return ret;
++}
++
++static void __exit mcfcau_aes_fini(void)
++{
++ crypto_unregister_alg(&mcfcau_aes_alg);
++ printk(KERN_INFO MCFCAU_AES_DRIVER_DESC " "
++ MCFCAU_AES_DRIVER_VERSION " unregistered.\n");
++}
++
++module_init(mcfcau_aes_init);
++module_exit(mcfcau_aes_fini);
++
++MODULE_DESCRIPTION(MCFCAU_AES_DRIVER_DESC);
++MODULE_LICENSE("Dual BSD/GPL");
++MODULE_AUTHOR("Andrey Butok");
+--- /dev/null
++++ b/drivers/crypto/mcfcau-des.c
+@@ -0,0 +1,437 @@
++/***************************************************************************
++ * mcfcau-des.c - Implementation of DES & Triple DES EDE Cipher Algorithms
++ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
++ *
++ * Author: Andrey Butok
++ * Copyright Freescale Semiconductor Inc. 2007
++ *
++ * NOTE: You can find the ColdFire CAU module on MCF54455 and MCF52235.
++ *
++ * 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 program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software Foundation,
++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ ***************************************************************************
++ * Changes:
++ * v0.01 14 August 2007 Andrey Butok
++ * Initial Release - developed on 2.6.20 Linux kernel.
++ */
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/errno.h>
++#include <linux/crypto.h>
++#include <linux/types.h>
++
++/*
++#undef DEBUG
++#define DEBUG 1
++*/
++
++#include "mcfcau.h"
++
++#define MCFCAU_DES_KEY_SIZE (8)
++#define MCFCAU_DES_EXPKEY_WORDS (32)
++#define MCFCAU_DES_BLOCK_SIZE (8)
++
++#define MCFCAU_DES3_EDE_KEY_SIZE (3 * MCFCAU_DES_KEY_SIZE)
++#define MCFCAU_DES3_EDE_EXPKEY_WORDS (3 * MCFCAU_DES_EXPKEY_WORDS)
++#define MCFCAU_DES3_EDE_BLOCK_SIZE (MCFCAU_DES_BLOCK_SIZE)
++
++#define MCFCAU_DES_DRIVER_DESC "DES & 3DES ColdFire CAU driver"
++#define MCFCAU_DES_DRIVER_VERSION "v0.01"
++
++struct mcfcau_des_ctx {
++ u32 expkey[MCFCAU_DES_EXPKEY_WORDS];
++};
++
++struct mcfcau_des3_ede_ctx {
++ u32 expkey[MCFCAU_DES3_EDE_EXPKEY_WORDS];
++};
++
++/* DES round operations */
++static inline void mcfcau_des_encipher(void)
++{
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESK));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_IP+MCFCAU_KSL1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSL1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_FP+MCFCAU_KSL1));
++}
++
++static inline void mcfcau_des_decipher(void)
++{
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESK+MCFCAU_DC));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_IP+MCFCAU_KSR1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR2));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_KSR1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0"::"n"(MCFCAU_DESR+MCFCAU_FP+MCFCAU_KSL1));
++}
++
++
++static int mcfcau_des_setkey(struct crypto_tfm *tfm, const u8 *key_p,
++ unsigned int keylen)
++{
++ struct mcfcau_des_ctx *dctx = crypto_tfm_ctx(tfm);
++ u32 *flags = &tfm->crt_flags;
++ u32 * key = (u32 *) key_p;
++
++ DBG("\n");
++
++ /*
++ * RFC2451: Weak key checks SHOULD be performed.
++ *
++ * FIPS 74:
++ * Keys having duals are keys which produce all zeros, all ones, or
++ * alternating zero-one patterns in the C and D registers after Permuted
++ * Choice 1 has operated on the key.
++ *
++ */
++ if(*flags & CRYPTO_TFM_REQ_WEAK_KEY){ /* FIPS 74 */
++ if(key[0]<0xE001E00l){
++ if(key[0]<0x1FE01FE0){
++ if(key[0]<0x01E001E0){
++ if(((key[0]==0x01010101)&&(key[1]==0x01010101))||
++ ((key[0]==0x011F011F)&&(key[1]==0x010E010E)) )
++ goto WEAK_KEY;
++ }
++ else{
++ if(((key[0]==0x01E001E0)&&(key[1]==0x01F101F1))||
++ ((key[0]==0x01FE01FE)&&(key[1]==0x01FE01FE)) )
++ goto WEAK_KEY;
++ }
++ }
++ else{
++ if(key[0]<0x1F1F1F1F){
++ if(((key[0]==0x1FE01FE0)&&(key[1]==0x0EF10EF1))||
++ ((key[0]==0x1F011F0l)&&(key[1]==0x0E010E01)) )
++ goto WEAK_KEY;
++ }
++ else{
++ if(((key[0]==0x1F1F1F1F)&&(key[1]==0x0E0E0E0E))||
++ ((key[0]==0x1FFE1FFE)&&(key[1]==0x0EFE0EFE)) )
++ goto WEAK_KEY;
++ }
++ }
++ } else {
++ if(key[0]<0xFE01FE01){
++ if(key[0]<0xE0E0E0E0){
++ if(((key[0]==0xE001E00l)&&(key[1]==0xF101F101))||
++ ((key[0]==0xE01FE01F)&&(key[1]==0xF10EF10E)) )
++ goto WEAK_KEY;
++ }
++ else{
++ if(((key[0]==0xE0E0E0E0)&&(key[1]==0xF1F1F1F1))||
++ ((key[0]==0xE0FEE0FE)&&(key[1]==0xF1FEF1FE)) )
++ goto WEAK_KEY;
++ }
++ }
++ else{
++ if(key[0]<0xFEE0FEE0){
++ if(((key[0]==0xFE01FE01)&&(key[1]==0xFE01FE01))||
++ ((key[0]==0xFE1FFE1F)&&(key[1]==0xFE0EFE0E)) )
++ goto WEAK_KEY;
++ }
++ else{
++ if(((key[0]==0xFEE0FEE0)&&(key[1]==0xFEF1FEF1))||
++ ((key[0]==0xFEFEFEFE)&&(key[1]==0xFEFEFEFE)) )
++ goto WEAK_KEY;
++ }
++ }
++ }
++ }
++ memcpy(dctx->expkey, key_p, keylen);
++ return 0;
++WEAK_KEY:
++ *flags |= CRYPTO_TFM_RES_WEAK_KEY;
++ return -EINVAL;
++}
++
++
++void mcfcau_des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
++{
++ struct mcfcau_des_ctx *ctx = crypto_tfm_ctx(tfm);
++ u32 * des_key_tmp = ctx->expkey;
++ unsigned long iflags;
++
++ DBG("\n");
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++
++ asm("move.l %0, %%a0"::"m"(src):"a0");
++ asm("move.l %0, %%a1"::"m"(des_key_tmp):"a1");
++
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3));
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1));
++
++ mcfcau_des_encipher();
++
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"d1");
++ asm("move.l %0, %%a1" ::"m"(dst):"a1");
++ asm("move.l %d0,(%a1)+");
++ asm("move.l %d1,(%a1)");
++
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++
++void mcfcau_des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
++{
++ struct mcfcau_des_ctx *ctx = crypto_tfm_ctx(tfm);
++ u32 * des_key_tmp = ctx->expkey;
++ unsigned long iflags;
++
++ DBG("\n");
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++
++ asm("move.l %0, %%a0"::"m"(src):"a0");
++ asm("move.l %0, %%a1"::"m"(des_key_tmp):"a1");
++
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3));
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1));
++
++ mcfcau_des_decipher();
++
++ asm("move.l %0, %%a1" ::"m"(dst):"a1");
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"d1");
++ asm("move.l %d0,(%a1)+");
++ asm("move.l %d1,(%a1)");
++
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++
++/*
++ * RFC2451:
++ *
++ * For DES-EDE3, there is no known need to reject weak or
++ * complementation keys. Any weakness is obviated by the use of
++ * multiple keys.
++ *
++ * However, if the first two or last two independent 64-bit keys are
++ * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the
++ * same as DES. Implementers MUST reject keys that exhibit this
++ * property.
++ *
++ */
++
++static int mcfcau_des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key_p, unsigned int keylen)
++{
++ const u32 *key = (const u32 *)key_p;
++ struct mcfcau_des3_ede_ctx *dctx = crypto_tfm_ctx(tfm);
++ u32 *flags = &tfm->crt_flags;
++
++DBG("\n");
++
++ if (unlikely(!((key[0] ^ key[2]) | (key[1] ^ key[3])) ||
++ !((key[2] ^ key[4]) | (key[3] ^ key[5]))))
++ {
++ *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
++ return -EINVAL;
++ }
++
++ memcpy(dctx->expkey,key_p,keylen);
++
++ return 0;
++}
++
++static void mcfcau_des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
++{
++ struct mcfcau_des3_ede_ctx *dctx = crypto_tfm_ctx(tfm);
++ const u32 * des_key_tmp = dctx->expkey;
++ unsigned long iflags;
++
++ DBG("\n");
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++
++ /*EK1*/
++ asm("move.l %0, %%a0"::"m"(src):"a0");
++ asm("move.l %0, %%a1"::"m"(des_key_tmp):"a1");
++
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3));
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1):"a1");
++
++ mcfcau_des_encipher();
++
++ /*DK2*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1):"a1");
++
++ mcfcau_des_decipher();
++
++ /*EK3*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1));
++
++ mcfcau_des_encipher();
++
++ asm("move.l %0, %%a1" ::"m"(dst):"a1");
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"d1");
++ asm("move.l %d0,(%a1)+");
++ asm("move.l %d1,(%a1)");
++
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++static void mcfcau_des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
++{
++ struct mcfcau_des3_ede_ctx *dctx = crypto_tfm_ctx(tfm);
++ const u32 * des_key_tmp = dctx->expkey + 6 - 2;
++ unsigned long iflags;
++
++ DBG("\n");
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++
++ /*DK3*/
++ asm("move.l %0, %%a0"::"m"(src):"a0");
++ asm("move.l %0, %%a1"::"m"(des_key_tmp):"a1");
++
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a0");
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3));
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1));
++
++ mcfcau_des_decipher();
++
++ /*EK2*/
++ asm("suba.l #12,%a1"); /*dec key pointer*/
++
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1));
++
++ mcfcau_des_encipher();
++
++ /*DK1*/
++ asm("suba.l #12,%a1"); /*dec key pointer*/
++
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a1");
++ asm("cp0ld.l (%%a1),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1));
++
++ mcfcau_des_decipher();
++
++ asm("move.l %0, %%a1" ::"m"(dst):"a1");
++ asm("cp0st.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"d0");
++ asm("cp0st.l %%d0,%%d1,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"d1");
++ asm("move.l %d0,(%a1)+");
++ asm("move.l %d1,(%a1)");
++
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++
++static struct crypto_alg mcfcau_des_alg = {
++ .cra_name = "des",
++ .cra_driver_name = "des-mcfcau",
++ .cra_priority = MCFCAU_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
++ .cra_blocksize = MCFCAU_DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mcfcau_des_ctx),
++ .cra_module = THIS_MODULE,
++ .cra_alignmask = 3,
++ .cra_list = LIST_HEAD_INIT(mcfcau_des_alg.cra_list),
++ .cra_u = { .cipher = {
++ .cia_min_keysize = MCFCAU_DES_KEY_SIZE,
++ .cia_max_keysize = MCFCAU_DES_KEY_SIZE,
++ .cia_setkey = mcfcau_des_setkey,
++ .cia_encrypt = mcfcau_des_encrypt,
++ .cia_decrypt = mcfcau_des_decrypt } }
++};
++
++static struct crypto_alg mcfcau_des3_ede_alg = {
++ .cra_name = "des3_ede",
++ .cra_driver_name = "des3_ede-mcfcau",
++ .cra_priority = MCFCAU_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
++ .cra_blocksize = MCFCAU_DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mcfcau_des3_ede_ctx),
++ .cra_module = THIS_MODULE,
++ .cra_alignmask = 3,
++ .cra_list = LIST_HEAD_INIT(mcfcau_des3_ede_alg.cra_list),
++ .cra_u = { .cipher = {
++ .cia_min_keysize = MCFCAU_DES3_EDE_KEY_SIZE,
++ .cia_max_keysize = MCFCAU_DES3_EDE_KEY_SIZE,
++ .cia_setkey = mcfcau_des3_ede_setkey,
++ .cia_encrypt = mcfcau_des3_ede_encrypt,
++ .cia_decrypt = mcfcau_des3_ede_decrypt } }
++};
++
++MODULE_ALIAS("mcfcau_des3_ede");
++
++static int __init mcfcau_des_init(void)
++{
++ int ret;
++
++ ret = crypto_register_alg(&mcfcau_des_alg);
++ if (ret < 0)
++ goto out;
++
++ ret = crypto_register_alg(&mcfcau_des3_ede_alg);
++ if (ret < 0)
++ crypto_unregister_alg(&mcfcau_des_alg);
++out:
++ printk(KERN_INFO MCFCAU_DES_DRIVER_DESC " "
++ MCFCAU_DES_DRIVER_VERSION " %s.\n",ret?"failed":"registered");
++ return ret;
++}
++
++static void __exit mcfcau_des_exit(void)
++{
++ crypto_unregister_alg(&mcfcau_des3_ede_alg);
++ crypto_unregister_alg(&mcfcau_des_alg);
++
++ printk(KERN_INFO MCFCAU_DES_DRIVER_DESC " "
++ MCFCAU_DES_DRIVER_VERSION " unregistered.\n");
++}
++
++module_init(mcfcau_des_init);
++module_exit(mcfcau_des_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms for ColdFire CAU");
++MODULE_AUTHOR("Andrey Butok");
+--- /dev/null
++++ b/drivers/crypto/mcfcau-md5.c
+@@ -0,0 +1,654 @@
++ /***************************************************************************
++ * mcfcau-md5.c - Implementation of MD5 Message Digest Algorithm (RFC1321)
++ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
++ *
++ * Author: Andrey Butok
++ * Copyright Freescale Semiconductor Inc. 2007
++ *
++ * NOTE: You can find the ColdFire CAU module on MCF54455 and MCF52235.
++ *
++ * 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 program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software Foundation,
++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ ***************************************************************************
++ * Changes:
++ * v0.01 30 September 2007 Andrey Butok
++ * Initial Release - developed on 2.6.20 Linux kernel.
++ */
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/string.h>
++#include <linux/crypto.h>
++#include <linux/types.h>
++#include <asm/byteorder.h>
++
++/*
++#undef DEBUG
++#define DEBUG 1
++*/
++
++#include "mcfcau.h"
++
++
++#define MCFCAU_MD5_DIGEST_SIZE (16)
++#define MCFCAU_MD5_HMAC_BLOCK_SIZE (64)
++#define MCFCAU_MD5_BLOCK_WORDS (16)
++#define MCFCAU_MD5_HASH_WORDS (4)
++
++#define MCFCAU_MD5_DRIVER_DESC "MD5 ColdFire CAU driver"
++#define MCFCAU_MD5_DRIVER_VERSION "v0.01"
++
++
++struct mcfcau_md5_ctx {
++ u32 hash[MCFCAU_MD5_HASH_WORDS];
++ u32 block[MCFCAU_MD5_BLOCK_WORDS];
++ u64 byte_count;
++};
++
++u32 mcfcau_md5_t[64]={0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
++ 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
++ 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
++ 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
++ 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
++ 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
++ 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
++ 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
++ 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
++ 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
++ 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
++ 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
++ 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
++ 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
++ 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
++ 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391};
++
++
++
++static void mcfcau_md5_transform(u32 *hash, u32 const *in)
++{
++ int i;
++ u32 * md5_t_p=&mcfcau_md5_t[0];
++ unsigned long iflags;
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++ asm("move.l %0, %%a1"::"m"(hash):"a1");
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CAA):"a1");/*a*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1):"a1");/*b*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a1");/*c*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3):"a1");/*d*/
++ asm("move.l %0, %%a0"::"m"(in):"a0"); /* X[] */
++ asm("move.l %0, %%a3"::"m"(md5_t_p):"a3"); /* T[] */
++
++
++ /* Round 1 */
++ asm("moveq.l #7, %%d4":::"d4"); /* for rotating by 7 */
++ asm("moveq.l #12, %%d5":::"d5"); /* for rotating by 12 */
++ asm("moveq.l #17, %%d6":::"d6"); /* for rotating by 17 */
++ asm("moveq.l #22, %%d7":::"d7"); /* for rotating by 22 */
++
++ for(i=0; i<4;i++){
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFF)); /* a+F(b,c,d) */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0"); /* add byterev x[i] */
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3"); /* add t[i] */
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA)); /* rotate by 7 */
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1)); /* add b */
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS)); /* register to register shift */
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFF));
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFF));
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFF));
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++ };
++
++
++ /* Round 2 */
++ asm("moveq.l #5, %%d4":::"d4"); /* for rotating by 5 */
++ asm("moveq.l #9, %%d5":::"d5"); /* for rotating by 9 */
++ asm("moveq.l #14, %%d6":::"d6"); /* for rotating by 14 */
++ asm("moveq.l #20, %%d7":::"d7"); /* for rotating by 20 */
++
++ asm("lea -60(%%a0),%%a0":::"a0");
++
++ for(i=0; i<2;i++){
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -44(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++ };
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -44(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -44(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 20(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFG));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ /* Round 3 */
++ asm("moveq.l #4, %%d4":::"d4"); /* for rotating by 5 */
++ asm("moveq.l #11, %%d5":::"d5"); /* for rotating by 9 */
++ asm("moveq.l #16, %%d6":::"d6"); /* for rotating by 14 */
++ asm("moveq.l #23, %%d7":::"d7"); /* for rotating by 20 */
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -52(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -52(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 12(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -52(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -8(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ /* Round 4 */
++ asm("moveq.l #6, %%d4":::"d4"); /* for rotating by 6 */
++ asm("moveq.l #10, %%d5":::"d5"); /* for rotating by 10 */
++ asm("moveq.l #15, %%d6":::"d6"); /* for rotating by 15 */
++ asm("moveq.l #21, %%d7":::"d7"); /* for rotating by 21 */
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -36(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -36(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -36(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -36(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -36(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d4,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea -36(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d5,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d6,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFI));
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_RADR+MCFCAU_CAA):"a0");
++ asm("lea 28(%%a0),%%a0" :::"a0");
++ asm("cp0ld.l (%%a3)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a3");
++ asm("cp0ld.l %%d7,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA1));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MDS));
++
++
++ asm("move.l %0, %%a1"::"m"(hash):"a1");
++
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a1");/*a*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA1):"a1");/*b*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA2):"a1");/*c*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA3):"a1");/*d*/
++
++ asm("cp0st.l %%d0,-(%%a1),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"a1");/*d*/
++ asm("cp0st.l %%d0,-(%%a1),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"a1");/*c*/
++ asm("cp0st.l %%d0,-(%%a1),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA1):"a1");/*b*/
++ asm("cp0st.l %%d0,-(%%a1),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CAA):"a1");/*a*/
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
++{
++ while (words--) {
++ __le32_to_cpus(buf);
++ buf++;
++ }
++}
++
++static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
++{
++ while (words--) {
++ __cpu_to_le32s(buf);
++ buf++;
++ }
++}
++
++static void mcfcau_md5_initialization(struct crypto_tfm *tfm)
++{
++ struct mcfcau_md5_ctx *mctx = crypto_tfm_ctx(tfm);
++
++ DBG("\n");
++ mctx->hash[0] = 0x67452301;
++ mctx->hash[1] = 0xefcdab89;
++ mctx->hash[2] = 0x98badcfe;
++ mctx->hash[3] = 0x10325476;
++ mctx->byte_count = 0;
++}
++
++static void mcfcau_md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
++{
++ struct mcfcau_md5_ctx *mctx = crypto_tfm_ctx(tfm);
++ const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);
++
++ DBG("\n");
++ mctx->byte_count += len;
++
++ if (avail > len) {
++ memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
++ data, len);
++ }
++ else {
++ memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), data, avail);
++
++ mcfcau_md5_transform(mctx->hash, mctx->block);
++ data += avail;
++ len -= avail;
++
++ while (len >= sizeof(mctx->block)) {
++ memcpy(mctx->block, data, sizeof(mctx->block));
++ mcfcau_md5_transform(mctx->hash, mctx->block);
++ data += sizeof(mctx->block);
++ len -= sizeof(mctx->block);
++ }
++
++ memcpy(mctx->block, data, len);
++ }
++}
++
++static void mcfcau_md5_final(struct crypto_tfm *tfm, u8 *out)
++{
++ struct mcfcau_md5_ctx *mctx = crypto_tfm_ctx(tfm);
++ const unsigned int offset = mctx->byte_count & 0x3f;
++ char *p = (char *)mctx->block + offset;
++ int padding = 56 - (offset + 1);
++
++ DBG("\n");
++
++ *p++ = 0x80;
++ if (padding < 0) {
++ memset(p, 0x00, padding + sizeof (u64));
++ mcfcau_md5_transform(mctx->hash, mctx->block);
++ p = (char *)mctx->block;
++ padding = 56;
++ }
++
++ memset(p, 0, padding);
++ mctx->block[14] = mctx->byte_count << 3;
++ mctx->block[15] = mctx->byte_count >> 29;
++ le32_to_cpu_array(&mctx->block[14], 2);
++
++ mcfcau_md5_transform(mctx->hash, mctx->block);
++
++ cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32));
++ memcpy(out, mctx->hash, sizeof(mctx->hash));
++ memset(mctx, 0, sizeof(*mctx));
++}
++
++static struct crypto_alg mcfcau_md5_alg = {
++ .cra_name = "md5",
++ .cra_driver_name = "md5-mcfcau",
++ .cra_priority = MCFCAU_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
++ .cra_blocksize = MCFCAU_MD5_HMAC_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mcfcau_md5_ctx),
++ .cra_module = THIS_MODULE,
++ .cra_list = LIST_HEAD_INIT(mcfcau_md5_alg.cra_list),
++ .cra_u = { .digest = {
++ .dia_digestsize = MCFCAU_MD5_DIGEST_SIZE,
++ .dia_init = mcfcau_md5_initialization,
++ .dia_update = mcfcau_md5_update,
++ .dia_final = mcfcau_md5_final } }
++};
++
++static int __init mcfcau_md5_init(void)
++{
++ int ret = crypto_register_alg(&mcfcau_md5_alg);
++ printk(KERN_INFO MCFCAU_MD5_DRIVER_DESC " "
++ MCFCAU_MD5_DRIVER_VERSION " %s.\n",ret?"failed":"registered");
++ return ret;
++}
++
++static void __exit mcfcau_md5_exit(void)
++{
++ crypto_unregister_alg(&mcfcau_md5_alg);
++ printk(KERN_INFO MCFCAU_MD5_DRIVER_DESC " "
++ MCFCAU_MD5_DRIVER_VERSION " unregistered.\n");
++}
++
++module_init(mcfcau_md5_init);
++module_exit(mcfcau_md5_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION(MCFCAU_MD5_DRIVER_DESC);
++MODULE_AUTHOR("Andrey Butok");
+--- /dev/null
++++ b/drivers/crypto/mcfcau-sha1.c
+@@ -0,0 +1,280 @@
++ /***************************************************************************
++ * mcfcau-sha1.c - Implementation of SHA1 Secure Hash Algorithm
++ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
++ *
++ * Author: Andrey Butok
++ * Copyright Freescale Semiconductor Inc. 2007
++ *
++ * NOTE: You can find the ColdFire CAU module on MCF54455 and MCF52235.
++ *
++ * 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 program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software Foundation,
++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ ***************************************************************************
++ * Changes:
++ * v0.01 15 October 2007 Andrey Butok
++ * Initial Release - developed on 2.6.20 Linux kernel.
++ */
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/mm.h>
++#include <linux/crypto.h>
++#include <linux/types.h>
++
++
++/*
++#undef DEBUG
++#define DEBUG 1
++*/
++
++#include "mcfcau.h"
++
++#define MCFCAU_SHA1_DIGEST_WORDS (5)
++#define MCFCAU_SHA1_WORKSPACE_WORDS (80)
++
++#define MCFCAU_SHA1_DIGEST_SIZE (20)
++#define MCFCAU_SHA1_HMAC_BLOCK_SIZE (64)
++
++#define MCFCAU_SHA1_DRIVER_DESC "SHA1 ColdFire CAU driver"
++#define MCFCAU_SHA1_DRIVER_VERSION "v0.01"
++
++struct mcfcau_sha1_ctx {
++ u64 count;
++ u32 state[5];
++ u8 buffer[64];
++};
++
++const static u32 K[4]={0x5A827999L, /* Rounds 0-19: sqrt(2) * 2^30 */
++ 0x6ED9EBA1L, /* Rounds 20-39: sqrt(3) * 2^30 */
++ 0x8F1BBCDCL, /* Rounds 40-59: sqrt(5) * 2^30 */
++ 0xCA62C1D6L}; /* Rounds 60-79: sqrt(10) * 2^30 */
++
++static void noinline mcfcau_sha1_transform(__u32 *digest, const char *in, __u32 *W)
++{
++ int i;
++ u32 * tmp_p;
++ unsigned long iflags;
++
++ /* (a) Devide M(i) into 16 words W */
++ for (i = 0; i < 16; i++)
++ W[i] = ((const u32 *)in)[i];
++
++ /* (b) W[i+16] = S^1(W[i+13] ^ W[i+8] ^ W[i+2] ^ W[i]) */
++ tmp_p=&W[16];
++
++ spin_lock_irqsave(&mcfcau_lock, iflags);
++ asm("move.l %0, %%a0"::"m"(tmp_p):"a0");
++ asm("moveq.l #1, %%d3":::"d3");
++
++ for (i = 0; i < 64; i++){
++ asm("cp0ld.l -64(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0));
++ asm("cp0ld.l -56(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0));
++ asm("cp0ld.l -32(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0));
++ asm("cp0ld.l -12(%%a0),%%d0,#1,%0" ::"n"(MCFCAU_XOR+MCFCAU_CA0));
++ asm("cp0ld.l %%d3,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CA0):"d3");
++ asm("cp0st.l %%d0,(%%a0)+,#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA0));
++ }
++
++ /* (c) */
++ asm("move.l %0, %%a0"::"m"(digest):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA0):"a0"); /* a */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA1):"a0"); /* b */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA2):"a0"); /* c */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA3):"a0"); /* d */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_LDR+MCFCAU_CA4):"a0"); /* e */
++
++ /* (d) */
++ asm("moveq.l #5, %%d0":::"d0");
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_MVRA+MCFCAU_CA0));
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ROTL+MCFCAU_CAA)); /*S^5(A)*/
++
++ tmp_p=(u32*)K;
++ asm("move.l %0, %%a0"::"m"(tmp_p):"a0");
++ asm("move.l %0, %%a1"::"m"(W):"a1");
++
++ for (i = 0; i < 20; i++) {
++ /* t = f1(b, c, d) + K1 + rol32(a, 5) + e + W[i]; */
++ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFC)); /*f(b,c,d)*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a1"); /*+W*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_SHS));
++ }
++
++ asm("add.l #4,%%a0" :::"a0"); /* update K */
++
++ for (; i < 40; i ++) {
++ /* t = f2(b, c, d) + K2 + rol32(a, 5) + e + W[i]; */
++ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH)); /*f(b,c,d)*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a1"); /*+W*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_SHS));
++ }
++
++ asm("add.l #4,%%a0" :::"a0"); /* update K */
++
++ for (; i < 60; i ++) {
++ /* t = f3(b, c, d) + K3 + rol32(a, 5) + e + W[i]; */
++ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFM)); /*f(b,c,d)*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a1"); /*+W*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_SHS));
++ }
++
++ asm("add.l #4,%%a0" :::"a0"); /* update K */
++
++ for (; i < 80; i ++) {
++ /* t = f2(b, c, d) + K4 + rol32(a, 5) + e + W[i]; */
++ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_HASH+MCFCAU_HFH)); /*f(b,c,d)*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
++ asm("cp0ld.l (%%a0),%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
++ asm("cp0ld.l (%%a1)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CAA):"a1"); /*+W*/
++ asm("cp0ld.l %%d0,%%d0,#1,%0" ::"n"(MCFCAU_SHS));
++ }
++
++ /* (e) */
++ asm("move.l %0, %%a0"::"m"(digest):"a0");
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA0):"a0"); /* +a */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA1):"a0"); /* +b */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA2):"a0"); /* +c */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA3):"a0"); /* +d */
++ asm("cp0ld.l (%%a0)+,%%d0,#1,%0" ::"n"(MCFCAU_ADR+MCFCAU_CA4):"a0"); /* +e */
++
++ asm("cp0st.l %%d0,-(%%a0),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA4):"a0");
++ asm("cp0st.l %%d0,-(%%a0),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA3):"a0");
++ asm("cp0st.l %%d0,-(%%a0),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA2):"a0");
++ asm("cp0st.l %%d0,-(%%a0),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA1):"a0");
++ asm("cp0st.l %%d0,-(%%a0),#1,%0" ::"n"(MCFCAU_STR+MCFCAU_CA0):"a0");
++ spin_unlock_irqrestore(&mcfcau_lock, iflags);
++}
++
++static void mcfcau_sha1_init(struct crypto_tfm *tfm)
++{
++ struct mcfcau_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
++ static const struct mcfcau_sha1_ctx initstate = {
++ 0,
++ { 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0 },
++ { 0, }
++ };
++
++ *sctx = initstate;
++}
++
++static void mcfcau_sha1_update(struct crypto_tfm *tfm, const u8 *data,
++ unsigned int len)
++{
++ struct mcfcau_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
++ unsigned int partial, done;
++ const u8 *src;
++
++ partial = sctx->count & 0x3f;
++ sctx->count += len;
++ done = 0;
++ src = data;
++
++ if ((partial + len) > 63) {
++ u32 temp[MCFCAU_SHA1_WORKSPACE_WORDS];
++
++ if (partial) {
++ done = -partial;
++ memcpy(sctx->buffer + partial, data, done + 64);
++ src = sctx->buffer;
++ }
++
++ do {
++ mcfcau_sha1_transform(sctx->state, src, temp);
++ done += 64;
++ src = data + done;
++ } while (done + 63 < len);
++
++ memset(temp, 0, sizeof(temp));
++ partial = 0;
++ }
++ memcpy(sctx->buffer + partial, src, len - done);
++}
++
++
++/* Add padding and return the message digest. */
++static void mcfcau_sha1_final(struct crypto_tfm *tfm, u8 *out)
++{
++ struct mcfcau_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
++ u32 *dst = (u32 *)out;
++ u32 i, index, padlen;
++ u64 bits;
++ static const u8 padding[64] = { 0x80, };
++
++ bits = sctx->count << 3;
++
++ /* Pad out to 56 mod 64 */
++ index = sctx->count & 0x3f;
++ padlen = (index < 56) ? (56 - index) : ((64+56) - index);
++ mcfcau_sha1_update(tfm, padding, padlen);
++
++ /* Append length */
++ mcfcau_sha1_update(tfm, (const u8 *)&bits, sizeof(bits));
++
++ /* Store state in digest */
++ for (i = 0; i < 5; i++)
++ dst[i] = sctx->state[i];
++
++
++ /* Wipe context */
++ memset(sctx, 0, sizeof *sctx);
++}
++
++static struct crypto_alg mcfcau_sha1_alg = {
++ .cra_name = "sha1",
++ .cra_driver_name= "sha1-mcfcau",
++ .cra_priority = MCFCAU_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
++ .cra_blocksize = MCFCAU_SHA1_HMAC_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mcfcau_sha1_ctx),
++ .cra_module = THIS_MODULE,
++ .cra_alignmask = 3,
++ .cra_list = LIST_HEAD_INIT(mcfcau_sha1_alg.cra_list),
++ .cra_u = { .digest = {
++ .dia_digestsize = MCFCAU_SHA1_DIGEST_SIZE,
++ .dia_init = mcfcau_sha1_init,
++ .dia_update = mcfcau_sha1_update,
++ .dia_final = mcfcau_sha1_final } }
++};
++
++static int __init init(void)
++{
++ int ret = crypto_register_alg(&mcfcau_sha1_alg);
++ printk(KERN_INFO MCFCAU_SHA1_DRIVER_DESC " "
++ MCFCAU_SHA1_DRIVER_VERSION " %s.\n",ret?"failed":"registered");
++ return ret;
++}
++
++static void __exit fini(void)
++{
++ crypto_unregister_alg(&mcfcau_sha1_alg);
++ printk(KERN_INFO MCFCAU_SHA1_DRIVER_DESC " "
++ MCFCAU_SHA1_DRIVER_VERSION " unregistered.\n");
++}
++
++module_init(init);
++module_exit(fini);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION(MCFCAU_SHA1_DRIVER_DESC);
++MODULE_AUTHOR("Andrey Butok");
+--- /dev/null
++++ b/drivers/crypto/mcfcau.c
+@@ -0,0 +1,32 @@
++/***************************************************************************
++ * mcfcau.c - Implementation of DES & Triple DES EDE Cipher Algorithms
++ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
++ *
++ * Author: Andrey Butok
++ * Copyright Freescale Semiconductor Inc. 2007
++ *
++ * NOTE: You can find the ColdFire CAU module on MCF54455 and MCF52235.
++ *
++ * 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 program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software Foundation,
++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ ***************************************************************************
++ * Changes:
++ * v0.01 28 September 2006 Andrey Butok
++ * Initial Release - developed on 2.6.20 Linux kernel.
++ */
++#include <linux/module.h>
++
++DEFINE_SPINLOCK(mcfcau_lock);
++EXPORT_SYMBOL(mcfcau_lock);
+--- /dev/null
++++ b/drivers/crypto/mcfcau.h
+@@ -0,0 +1,98 @@
++/***************************************************************************
++ * mcfcau.h - Common header file for Freescale ColdFire
++ * Cryptographic Acceleration Unit (CAU) drivers.
++ *
++ * Author: Andrey Butok
++ * Copyright Freescale Semiconductor Inc. 2007
++ *
++ * NOTE: You can find the ColdFire CAU module on MCF54455 and MCF52235.
++ *
++ * 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 program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software Foundation,
++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ ***************************************************************************
++ * Changes:
++ * v0.01 14 August 2007 Andrey Butok
++ */
++
++#ifndef MCFCAU_H
++#define MCFCAU_H
++
++#include <linux/spinlock.h>
++
++/* CAU Registers (CAx) */
++#define MCFCAU_CASR (0x0)
++#define MCFCAU_CAA (0x1)
++#define MCFCAU_CA0 (0x2)
++#define MCFCAU_CA1 (0x3)
++#define MCFCAU_CA2 (0x4)
++#define MCFCAU_CA3 (0x5)
++#define MCFCAU_CA4 (0x6)
++#define MCFCAU_CA5 (0x7)
++
++ /* CAU Commands */
++#define MCFCAU_CNOP (0x000)
++#define MCFCAU_LDR (0x010)
++#define MCFCAU_STR (0x020)
++#define MCFCAU_ADR (0x030)
++#define MCFCAU_RADR (0x040)
++#define MCFCAU_ADRA (0x050)
++#define MCFCAU_XOR (0x060)
++#define MCFCAU_ROTL (0x070)
++#define MCFCAU_MVRA (0x080)
++#define MCFCAU_MVAR (0x090)
++#define MCFCAU_AESS (0x0A0)
++#define MCFCAU_AESIS (0x0B0)
++#define MCFCAU_AESC (0x0C0)
++#define MCFCAU_AESIC (0x0D0)
++#define MCFCAU_AESR (0x0E0)
++#define MCFCAU_AESIR (0x0F0)
++#define MCFCAU_DESR (0x100)
++#define MCFCAU_DESK (0x110)
++#define MCFCAU_HASH (0x120)
++#define MCFCAU_SHS (0x130)
++#define MCFCAU_MDS (0x140)
++#define MCFCAU_ILL (0x1F0)
++
++/* DESR Fields */
++#define MCFCAU_IP (0x08) /* initial permutation */
++#define MCFCAU_FP (0x04) /* final permutation */
++#define MCFCAU_KSL1 (0x00) /* key schedule left 1 bit */
++#define MCFCAU_KSL2 (0x01) /* key schedule left 2 bits */
++#define MCFCAU_KSR1 (0x02) /* key schedule right 1 bit */
++#define MCFCAU_KSR2 (0x03) /* key schedule right 2 bits */
++
++/* DESK Field */
++#define MCFCAU_DC (0x01) /* decrypt key schedule */
++#define MCFCAU_CP (0x02) /* check parity */
++
++/* HASH Functions Codes */
++#define MCFCAU_HFF (0x0) /* MD5 F() CA1&CA2 | ~CA1&CA3 */
++#define MCFCAU_HFG (0x1) /* MD5 G() CA1&CA3 | CA2&~CA3 */
++#define MCFCAU_HFH (0x2) /* MD5 H(), SHA Parity() CA1^CA2^CA3 */
++#define MCFCAU_HFI (0x3) /* MD5 I() CA2^(CA1|~CA3) */
++#define MCFCAU_HFC (0x4) /* SHA Ch() CA1&CA2 ^ ~CA1&CA3 */
++#define MCFCAU_HFM (0x5) /* SHA Maj() CA1&CA2 ^ CA1&CA3 ^ CA2&CA3 */
++
++#define MCFCAU_CRA_PRIORITY (300)
++
++extern spinlock_t mcfcau_lock;
++
++#ifdef DEBUG
++#define DBG(fmt, args...) printk( "[%s] " fmt , __FUNCTION__, ## args)
++#else
++#define DBG(fmt, args...) do{}while(0)
++#endif
++
++#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 21:19:53 +0000