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linux-next/drivers/crypto/ux500/cryp/cryp_p.h
Andreas Westin d1cbb1447b crypto: ux500 - Cleanup hardware identification
Don't use SOC specific functions to identify
which crypto hardware we are talking to and use
the ID provided in the module instead.

Signed-off-by: Andreas Westin <andreas.westin@stericsson.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-05-15 17:25:33 +10:00

124 lines
3.2 KiB
C

/**
* Copyright (C) ST-Ericsson SA 2010
* Author: Shujuan Chen <shujuan.chen@stericsson.com> for ST-Ericsson.
* Author: Jonas Linde <jonas.linde@stericsson.com> for ST-Ericsson.
* Author: Joakim Bech <joakim.xx.bech@stericsson.com> for ST-Ericsson.
* Author: Berne Hebark <berne.herbark@stericsson.com> for ST-Ericsson.
* Author: Niklas Hernaeus <niklas.hernaeus@stericsson.com> for ST-Ericsson.
* License terms: GNU General Public License (GPL) version 2
*/
#ifndef _CRYP_P_H_
#define _CRYP_P_H_
#include <linux/io.h>
#include <linux/bitops.h>
#include "cryp.h"
#include "cryp_irqp.h"
/**
* Generic Macros
*/
#define CRYP_SET_BITS(reg_name, mask) \
writel_relaxed((readl_relaxed(reg_name) | mask), reg_name)
#define CRYP_WRITE_BIT(reg_name, val, mask) \
writel_relaxed(((readl_relaxed(reg_name) & ~(mask)) |\
((val) & (mask))), reg_name)
#define CRYP_TEST_BITS(reg_name, val) \
(readl_relaxed(reg_name) & (val))
#define CRYP_PUT_BITS(reg, val, shift, mask) \
writel_relaxed(((readl_relaxed(reg) & ~(mask)) | \
(((u32)val << shift) & (mask))), reg)
/**
* CRYP specific Macros
*/
#define CRYP_PERIPHERAL_ID0 0xE3
#define CRYP_PERIPHERAL_ID1 0x05
#define CRYP_PERIPHERAL_ID2_DB8500 0x28
#define CRYP_PERIPHERAL_ID3 0x00
#define CRYP_PCELL_ID0 0x0D
#define CRYP_PCELL_ID1 0xF0
#define CRYP_PCELL_ID2 0x05
#define CRYP_PCELL_ID3 0xB1
/**
* CRYP register default values
*/
#define MAX_DEVICE_SUPPORT 2
/* Priv set, keyrden set and datatype 8bits swapped set as default. */
#define CRYP_CR_DEFAULT 0x0482
#define CRYP_DMACR_DEFAULT 0x0
#define CRYP_IMSC_DEFAULT 0x0
#define CRYP_DIN_DEFAULT 0x0
#define CRYP_DOUT_DEFAULT 0x0
#define CRYP_KEY_DEFAULT 0x0
#define CRYP_INIT_VECT_DEFAULT 0x0
/**
* CRYP Control register specific mask
*/
#define CRYP_CR_SECURE_MASK BIT(0)
#define CRYP_CR_PRLG_MASK BIT(1)
#define CRYP_CR_ALGODIR_MASK BIT(2)
#define CRYP_CR_ALGOMODE_MASK (BIT(5) | BIT(4) | BIT(3))
#define CRYP_CR_DATATYPE_MASK (BIT(7) | BIT(6))
#define CRYP_CR_KEYSIZE_MASK (BIT(9) | BIT(8))
#define CRYP_CR_KEYRDEN_MASK BIT(10)
#define CRYP_CR_KSE_MASK BIT(11)
#define CRYP_CR_START_MASK BIT(12)
#define CRYP_CR_INIT_MASK BIT(13)
#define CRYP_CR_FFLUSH_MASK BIT(14)
#define CRYP_CR_CRYPEN_MASK BIT(15)
#define CRYP_CR_CONTEXT_SAVE_MASK (CRYP_CR_SECURE_MASK |\
CRYP_CR_PRLG_MASK |\
CRYP_CR_ALGODIR_MASK |\
CRYP_CR_ALGOMODE_MASK |\
CRYP_CR_DATATYPE_MASK |\
CRYP_CR_KEYSIZE_MASK |\
CRYP_CR_KEYRDEN_MASK |\
CRYP_CR_DATATYPE_MASK)
#define CRYP_SR_INFIFO_READY_MASK (BIT(0) | BIT(1))
#define CRYP_SR_IFEM_MASK BIT(0)
#define CRYP_SR_BUSY_MASK BIT(4)
/**
* Bit position used while setting bits in register
*/
#define CRYP_CR_PRLG_POS 1
#define CRYP_CR_ALGODIR_POS 2
#define CRYP_CR_ALGOMODE_POS 3
#define CRYP_CR_DATATYPE_POS 6
#define CRYP_CR_KEYSIZE_POS 8
#define CRYP_CR_KEYRDEN_POS 10
#define CRYP_CR_KSE_POS 11
#define CRYP_CR_START_POS 12
#define CRYP_CR_INIT_POS 13
#define CRYP_CR_CRYPEN_POS 15
#define CRYP_SR_BUSY_POS 4
/**
* CRYP PCRs------PC_NAND control register
* BIT_MASK
*/
#define CRYP_DMA_REQ_MASK (BIT(1) | BIT(0))
#define CRYP_DMA_REQ_MASK_POS 0
struct cryp_system_context {
/* CRYP Register structure */
struct cryp_register *p_cryp_reg[MAX_DEVICE_SUPPORT];
};
#endif