linux-imx

/*

 * Copyright (C) STMicroelectronics SA 2017

 * Author: Fabien Dessenne <fabien.dessenne@st.com>

 * License terms:  GNU General Public License (GPL), version 2

 */

​

#include <linux/clk.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/iopoll.h>

#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>

#include <linux/reset.h>

​

#include <crypto/aes.h>

#include <crypto/des.h>

#include <crypto/engine.h>

#include <crypto/scatterwalk.h>

#include <crypto/internal/aead.h>

​

#define DRIVER_NAME             "stm32-cryp"

​

/* Bit [0] encrypt / decrypt */

#define FLG_ENCRYPT             BIT(0)

/* Bit [8..1] algo & operation mode */

#define FLG_AES                 BIT(1)

#define FLG_DES                 BIT(2)

#define FLG_TDES                BIT(3)

#define FLG_ECB                 BIT(4)

#define FLG_CBC                 BIT(5)

#define FLG_CTR                 BIT(6)

#define FLG_GCM                 BIT(7)

#define FLG_CCM                 BIT(8)

/* Mode mask = bits [15..0] */

#define FLG_MODE_MASK           GENMASK(15, 0)

/* Bit [31..16] status  */

#define FLG_CCM_PADDED_WA       BIT(16)

​

/* Registers */

#define CRYP_CR                 0x00000000

#define CRYP_SR                 0x00000004

#define CRYP_DIN                0x00000008

#define CRYP_DOUT               0x0000000C

#define CRYP_DMACR              0x00000010

#define CRYP_IMSCR              0x00000014

#define CRYP_RISR               0x00000018

#define CRYP_MISR               0x0000001C

#define CRYP_K0LR               0x00000020

#define CRYP_K0RR               0x00000024

#define CRYP_K1LR               0x00000028

#define CRYP_K1RR               0x0000002C

#define CRYP_K2LR               0x00000030

#define CRYP_K2RR               0x00000034

#define CRYP_K3LR               0x00000038

#define CRYP_K3RR               0x0000003C

#define CRYP_IV0LR              0x00000040

#define CRYP_IV0RR              0x00000044

#define CRYP_IV1LR              0x00000048

#define CRYP_IV1RR              0x0000004C

#define CRYP_CSGCMCCM0R         0x00000050

#define CRYP_CSGCM0R            0x00000070