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drivers/crypto/mv_cesa.h 3.85 KB
85a7f0ac5   Sebastian Andrzej Siewior   crypto: mv_cesa -...
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  #ifndef __MV_CRYPTO_H__
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  #define __MV_CRYPTO_H__
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  #define DIGEST_INITIAL_VAL_A	0xdd00
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  #define DIGEST_INITIAL_VAL_B	0xdd04
  #define DIGEST_INITIAL_VAL_C	0xdd08
  #define DIGEST_INITIAL_VAL_D	0xdd0c
  #define DIGEST_INITIAL_VAL_E	0xdd10
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  #define DES_CMD_REG		0xdd58
  
  #define SEC_ACCEL_CMD		0xde00
  #define SEC_CMD_EN_SEC_ACCL0	(1 << 0)
  #define SEC_CMD_EN_SEC_ACCL1	(1 << 1)
  #define SEC_CMD_DISABLE_SEC	(1 << 2)
  
  #define SEC_ACCEL_DESC_P0	0xde04
  #define SEC_DESC_P0_PTR(x)	(x)
  
  #define SEC_ACCEL_DESC_P1	0xde14
  #define SEC_DESC_P1_PTR(x)	(x)
  
  #define SEC_ACCEL_CFG		0xde08
  #define SEC_CFG_STOP_DIG_ERR	(1 << 0)
  #define SEC_CFG_CH0_W_IDMA	(1 << 7)
  #define SEC_CFG_CH1_W_IDMA	(1 << 8)
  #define SEC_CFG_ACT_CH0_IDMA	(1 << 9)
  #define SEC_CFG_ACT_CH1_IDMA	(1 << 10)
  
  #define SEC_ACCEL_STATUS	0xde0c
  #define SEC_ST_ACT_0		(1 << 0)
  #define SEC_ST_ACT_1		(1 << 1)
  
  /*
   * FPGA_INT_STATUS looks like a FPGA leftover and is documented only in Errata
   * 4.12. It looks like that it was part of an IRQ-controller in FPGA and
   * someone forgot to remove  it while switching to the core and moving to
   * SEC_ACCEL_INT_STATUS.
   */
  #define FPGA_INT_STATUS		0xdd68
  #define SEC_ACCEL_INT_STATUS	0xde20
  #define SEC_INT_AUTH_DONE	(1 << 0)
  #define SEC_INT_DES_E_DONE	(1 << 1)
  #define SEC_INT_AES_E_DONE	(1 << 2)
  #define SEC_INT_AES_D_DONE	(1 << 3)
  #define SEC_INT_ENC_DONE	(1 << 4)
  #define SEC_INT_ACCEL0_DONE	(1 << 5)
  #define SEC_INT_ACCEL1_DONE	(1 << 6)
  #define SEC_INT_ACC0_IDMA_DONE	(1 << 7)
  #define SEC_INT_ACC1_IDMA_DONE	(1 << 8)
  
  #define SEC_ACCEL_INT_MASK	0xde24
  
  #define AES_KEY_LEN	(8 * 4)
  
  struct sec_accel_config {
  
  	u32 config;
  #define CFG_OP_MAC_ONLY		0
  #define CFG_OP_CRYPT_ONLY	1
  #define CFG_OP_MAC_CRYPT	2
  #define CFG_OP_CRYPT_MAC	3
  #define CFG_MACM_MD5		(4 << 4)
  #define CFG_MACM_SHA1		(5 << 4)
  #define CFG_MACM_HMAC_MD5	(6 << 4)
  #define CFG_MACM_HMAC_SHA1	(7 << 4)
  #define CFG_ENCM_DES		(1 << 8)
  #define CFG_ENCM_3DES		(2 << 8)
  #define CFG_ENCM_AES		(3 << 8)
  #define CFG_DIR_ENC		(0 << 12)
  #define CFG_DIR_DEC		(1 << 12)
  #define CFG_ENC_MODE_ECB	(0 << 16)
  #define CFG_ENC_MODE_CBC	(1 << 16)
  #define CFG_3DES_EEE		(0 << 20)
  #define CFG_3DES_EDE		(1 << 20)
  #define CFG_AES_LEN_128		(0 << 24)
  #define CFG_AES_LEN_192		(1 << 24)
  #define CFG_AES_LEN_256		(2 << 24)
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  #define CFG_NOT_FRAG		(0 << 30)
  #define CFG_FIRST_FRAG		(1 << 30)
  #define CFG_LAST_FRAG		(2 << 30)
  #define CFG_MID_FRAG		(3 << 30)
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  	u32 enc_p;
  #define ENC_P_SRC(x)		(x)
  #define ENC_P_DST(x)		((x) << 16)
  
  	u32 enc_len;
  #define ENC_LEN(x)		(x)
  
  	u32 enc_key_p;
  #define ENC_KEY_P(x)		(x)
  
  	u32 enc_iv;
  #define ENC_IV_POINT(x)		((x) << 0)
  #define ENC_IV_BUF_POINT(x)	((x) << 16)
  
  	u32 mac_src_p;
  #define MAC_SRC_DATA_P(x)	(x)
  #define MAC_SRC_TOTAL_LEN(x)	((x) << 16)
  
  	u32 mac_digest;
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  #define MAC_DIGEST_P(x)	(x)
  #define MAC_FRAG_LEN(x)	((x) << 16)
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  	u32 mac_iv;
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  #define MAC_INNER_IV_P(x)	(x)
  #define MAC_OUTER_IV_P(x)	((x) << 16)
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  }__attribute__ ((packed));
  	/*
  	 * /-----------\ 0
  	 * | ACCEL CFG |	4 * 8
  	 * |-----------| 0x20
  	 * | CRYPT KEY |	8 * 4
  	 * |-----------| 0x40
  	 * |  IV   IN  |	4 * 4
  	 * |-----------| 0x40 (inplace)
  	 * |  IV BUF   |	4 * 4
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  	 * |-----------| 0x80
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  	 * |  DATA IN  |	16 * x (max ->max_req_size)
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  	 * |-----------| 0x80 (inplace operation)
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  	 * |  DATA OUT |	16 * x (max ->max_req_size)
  	 * \-----------/ SRAM size
  	 */
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  	/* Hashing memory map:
  	 * /-----------\ 0
  	 * | ACCEL CFG |        4 * 8
  	 * |-----------| 0x20
  	 * | Inner IV  |        5 * 4
  	 * |-----------| 0x34
  	 * | Outer IV  |        5 * 4
  	 * |-----------| 0x48
  	 * | Output BUF|        5 * 4
  	 * |-----------| 0x80
  	 * |  DATA IN  |        64 * x (max ->max_req_size)
  	 * \-----------/ SRAM size
  	 */
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  #define SRAM_CONFIG		0x00
  #define SRAM_DATA_KEY_P		0x20
  #define SRAM_DATA_IV		0x40
  #define SRAM_DATA_IV_BUF	0x40
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  #define SRAM_DATA_IN_START	0x80
  #define SRAM_DATA_OUT_START	0x80
  
  #define SRAM_HMAC_IV_IN		0x20
  #define SRAM_HMAC_IV_OUT	0x34
  #define SRAM_DIGEST_BUF		0x48
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  #define SRAM_CFG_SPACE		0x80
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  #endif