drivers/crypto/ux500/cryp/cryp_p.h

   1 /**
   2  * Copyright (C) ST-Ericsson SA 2010
   3  * Author: Shujuan Chen <shujuan.chen@stericsson.com> for ST-Ericsson.
   4  * Author: Jonas Linde <jonas.linde@stericsson.com> for ST-Ericsson.
   5  * Author: Joakim Bech <joakim.xx.bech@stericsson.com> for ST-Ericsson.
   6  * Author: Berne Hebark <berne.herbark@stericsson.com> for ST-Ericsson.
   7  * Author: Niklas Hernaeus <niklas.hernaeus@stericsson.com> for ST-Ericsson.
   8  * License terms: GNU General Public License (GPL) version 2
   9  */
  10
  11 #ifndef _CRYP_P_H_
  12 #define _CRYP_P_H_
  13
  14 #include <linux/io.h>
  15 #include <linux/bitops.h>
  16
  17 #include "cryp.h"
  18 #include "cryp_irqp.h"
  19
  20 /**
  21  * Generic Macros
  22  */
  23 #define CRYP_SET_BITS(reg_name, mask) \
  24         writel_relaxed((readl_relaxed(reg_name) | mask), reg_name)
  25
  26 #define CRYP_WRITE_BIT(reg_name, val, mask) \
  27         writel_relaxed(((readl_relaxed(reg_name) & ~(mask)) |\
  28                         ((val) & (mask))), reg_name)
  29
  30 #define CRYP_TEST_BITS(reg_name, val) \
  31         (readl_relaxed(reg_name) & (val))
  32
  33 #define CRYP_PUT_BITS(reg, val, shift, mask) \
  34         writel_relaxed(((readl_relaxed(reg) & ~(mask)) | \
  35                 (((u32)val << shift) & (mask))), reg)
  36
  37 /**
  38  * CRYP specific Macros
  39  */
  40 #define CRYP_PERIPHERAL_ID0             0xE3
  41 #define CRYP_PERIPHERAL_ID1             0x05
  42
  43 #define CRYP_PERIPHERAL_ID2_DB8500      0x28
  44 #define CRYP_PERIPHERAL_ID3             0x00
  45
  46 #define CRYP_PCELL_ID0                  0x0D
  47 #define CRYP_PCELL_ID1                  0xF0
  48 #define CRYP_PCELL_ID2                  0x05
  49 #define CRYP_PCELL_ID3                  0xB1
  50
  51 /**
  52  * CRYP register default values
  53  */
  54 #define MAX_DEVICE_SUPPORT              2
  55
  56 /* Priv set, keyrden set and datatype 8bits swapped set as default. */
  57 #define CRYP_CR_DEFAULT                 0x0482
  58 #define CRYP_DMACR_DEFAULT              0x0
  59 #define CRYP_IMSC_DEFAULT               0x0
  60 #define CRYP_DIN_DEFAULT                0x0
  61 #define CRYP_DOUT_DEFAULT               0x0
  62 #define CRYP_KEY_DEFAULT                0x0
  63 #define CRYP_INIT_VECT_DEFAULT          0x0
  64
  65 /**
  66  * CRYP Control register specific mask
  67  */
  68 #define CRYP_CR_SECURE_MASK             BIT(0)
  69 #define CRYP_CR_PRLG_MASK               BIT(1)
  70 #define CRYP_CR_ALGODIR_MASK            BIT(2)
  71 #define CRYP_CR_ALGOMODE_MASK           (BIT(5) | BIT(4) | BIT(3))
  72 #define CRYP_CR_DATATYPE_MASK           (BIT(7) | BIT(6))
  73 #define CRYP_CR_KEYSIZE_MASK            (BIT(9) | BIT(8))
  74 #define CRYP_CR_KEYRDEN_MASK            BIT(10)
  75 #define CRYP_CR_KSE_MASK                BIT(11)
  76 #define CRYP_CR_START_MASK              BIT(12)
  77 #define CRYP_CR_INIT_MASK               BIT(13)
  78 #define CRYP_CR_FFLUSH_MASK             BIT(14)
  79 #define CRYP_CR_CRYPEN_MASK             BIT(15)
  80 #define CRYP_CR_CONTEXT_SAVE_MASK       (CRYP_CR_SECURE_MASK |\
  81                                          CRYP_CR_PRLG_MASK |\
  82                                          CRYP_CR_ALGODIR_MASK |\
  83                                          CRYP_CR_ALGOMODE_MASK |\
  84                                          CRYP_CR_DATATYPE_MASK |\
  85                                          CRYP_CR_KEYSIZE_MASK |\
  86                                          CRYP_CR_KEYRDEN_MASK |\
  87                                          CRYP_CR_DATATYPE_MASK)
  88
  89
  90 #define CRYP_SR_INFIFO_READY_MASK       (BIT(0) | BIT(1))
  91 #define CRYP_SR_IFEM_MASK               BIT(0)
  92 #define CRYP_SR_BUSY_MASK               BIT(4)
  93
  94 /**
  95  * Bit position used while setting bits in register
  96  */
  97 #define CRYP_CR_PRLG_POS                1
  98 #define CRYP_CR_ALGODIR_POS             2
  99 #define CRYP_CR_ALGOMODE_POS            3
 100 #define CRYP_CR_DATATYPE_POS            6
 101 #define CRYP_CR_KEYSIZE_POS             8
 102 #define CRYP_CR_KEYRDEN_POS             10
 103 #define CRYP_CR_KSE_POS                 11
 104 #define CRYP_CR_START_POS               12
 105 #define CRYP_CR_INIT_POS                13
 106 #define CRYP_CR_CRYPEN_POS              15
 107
 108 #define CRYP_SR_BUSY_POS                4
 109
 110 /**
 111  * CRYP PCRs------PC_NAND control register
 112  * BIT_MASK
 113  */
 114 #define CRYP_DMA_REQ_MASK               (BIT(1) | BIT(0))
 115 #define CRYP_DMA_REQ_MASK_POS           0
 116
 117
 118 struct cryp_system_context {
 119         /* CRYP Register structure */
 120         struct cryp_register *p_cryp_reg[MAX_DEVICE_SUPPORT];
 121 };
 122
 123 #endif