Exynos: Add hardware accelerated SHA256 and SHA1
SHA-256 and SHA-1 accelerated using ACE hardware.
Signed-off-by: ARUN MANKUZHI <arun.m@samsung.com>
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/crypto/ace_sha.h b/drivers/crypto/ace_sha.h
new file mode 100644
index 0000000..0292a08
--- /dev/null
+++ b/drivers/crypto/ace_sha.h
@@ -0,0 +1,325 @@
+/*
+ * Header file for Advanced Crypto Engine - SFR definitions
+ *
+ * Copyright (c) 2012 Samsung Electronics
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ACE_SHA_H
+#define __ACE_SHA_H
+
+struct exynos_ace_sfr {
+ unsigned int fc_intstat; /* base + 0 */
+ unsigned int fc_intenset;
+ unsigned int fc_intenclr;
+ unsigned int fc_intpend;
+ unsigned int fc_fifostat;
+ unsigned int fc_fifoctrl;
+ unsigned int fc_global;
+ unsigned int res1;
+ unsigned int fc_brdmas;
+ unsigned int fc_brdmal;
+ unsigned int fc_brdmac;
+ unsigned int res2;
+ unsigned int fc_btdmas;
+ unsigned int fc_btdmal;
+ unsigned int fc_btdmac;
+ unsigned int res3;
+ unsigned int fc_hrdmas;
+ unsigned int fc_hrdmal;
+ unsigned int fc_hrdmac;
+ unsigned int res4;
+ unsigned int fc_pkdmas;
+ unsigned int fc_pkdmal;
+ unsigned int fc_pkdmac;
+ unsigned int fc_pkdmao;
+ unsigned char res5[0x1a0];
+
+ unsigned int aes_control; /* base + 0x200 */
+ unsigned int aes_status;
+ unsigned char res6[0x8];
+ unsigned int aes_in[4];
+ unsigned int aes_out[4];
+ unsigned int aes_iv[4];
+ unsigned int aes_cnt[4];
+ unsigned char res7[0x30];
+ unsigned int aes_key[8];
+ unsigned char res8[0x60];
+
+ unsigned int tdes_control; /* base + 0x300 */
+ unsigned int tdes_status;
+ unsigned char res9[0x8];
+ unsigned int tdes_key[6];
+ unsigned int tdes_iv[2];
+ unsigned int tdes_in[2];
+ unsigned int tdes_out[2];
+ unsigned char res10[0xc0];
+
+ unsigned int hash_control; /* base + 0x400 */
+ unsigned int hash_control2;
+ unsigned int hash_fifo_mode;
+ unsigned int hash_byteswap;
+ unsigned int hash_status;
+ unsigned char res11[0xc];
+ unsigned int hash_msgsize_low;
+ unsigned int hash_msgsize_high;
+ unsigned int hash_prelen_low;
+ unsigned int hash_prelen_high;
+ unsigned int hash_in[16];
+ unsigned int hash_key_in[16];
+ unsigned int hash_iv[8];
+ unsigned char res12[0x30];
+ unsigned int hash_result[8];
+ unsigned char res13[0x20];
+ unsigned int hash_seed[8];
+ unsigned int hash_prng[8];
+ unsigned char res14[0x180];
+
+ unsigned int pka_sfr[5]; /* base + 0x700 */
+};
+
+/* ACE_FC_INT */
+#define ACE_FC_PKDMA (1 << 0)
+#define ACE_FC_HRDMA (1 << 1)
+#define ACE_FC_BTDMA (1 << 2)
+#define ACE_FC_BRDMA (1 << 3)
+#define ACE_FC_PRNG_ERROR (1 << 4)
+#define ACE_FC_MSG_DONE (1 << 5)
+#define ACE_FC_PRNG_DONE (1 << 6)
+#define ACE_FC_PARTIAL_DONE (1 << 7)
+
+/* ACE_FC_FIFOSTAT */
+#define ACE_FC_PKFIFO_EMPTY (1 << 0)
+#define ACE_FC_PKFIFO_FULL (1 << 1)
+#define ACE_FC_HRFIFO_EMPTY (1 << 2)
+#define ACE_FC_HRFIFO_FULL (1 << 3)
+#define ACE_FC_BTFIFO_EMPTY (1 << 4)
+#define ACE_FC_BTFIFO_FULL (1 << 5)
+#define ACE_FC_BRFIFO_EMPTY (1 << 6)
+#define ACE_FC_BRFIFO_FULL (1 << 7)
+
+/* ACE_FC_FIFOCTRL */
+#define ACE_FC_SELHASH_MASK (3 << 0)
+#define ACE_FC_SELHASH_EXOUT (0 << 0) /* independent source */
+#define ACE_FC_SELHASH_BCIN (1 << 0) /* blk cipher input */
+#define ACE_FC_SELHASH_BCOUT (2 << 0) /* blk cipher output */
+#define ACE_FC_SELBC_MASK (1 << 2)
+#define ACE_FC_SELBC_AES (0 << 2)
+#define ACE_FC_SELBC_DES (1 << 2)
+
+/* ACE_FC_GLOBAL */
+#define ACE_FC_SSS_RESET (1 << 0)
+#define ACE_FC_DMA_RESET (1 << 1)
+#define ACE_FC_AES_RESET (1 << 2)
+#define ACE_FC_DES_RESET (1 << 3)
+#define ACE_FC_HASH_RESET (1 << 4)
+#define ACE_FC_AXI_ENDIAN_MASK (3 << 6)
+#define ACE_FC_AXI_ENDIAN_LE (0 << 6)
+#define ACE_FC_AXI_ENDIAN_BIBE (1 << 6)
+#define ACE_FC_AXI_ENDIAN_WIBE (2 << 6)
+
+/* Feed control - BRDMA control */
+#define ACE_FC_BRDMACFLUSH_OFF (0 << 0)
+#define ACE_FC_BRDMACFLUSH_ON (1 << 0)
+#define ACE_FC_BRDMACSWAP_ON (1 << 1)
+#define ACE_FC_BRDMACARPROT_MASK (0x7 << 2)
+#define ACE_FC_BRDMACARPROT_OFS 2
+#define ACE_FC_BRDMACARCACHE_MASK (0xf << 5)
+#define ACE_FC_BRDMACARCACHE_OFS 5
+
+/* Feed control - BTDMA control */
+#define ACE_FC_BTDMACFLUSH_OFF (0 << 0)
+#define ACE_FC_BTDMACFLUSH_ON (1 << 0)
+#define ACE_FC_BTDMACSWAP_ON (1 << 1)
+#define ACE_FC_BTDMACAWPROT_MASK (0x7 << 2)
+#define ACE_FC_BTDMACAWPROT_OFS 2
+#define ACE_FC_BTDMACAWCACHE_MASK (0xf << 5)
+#define ACE_FC_BTDMACAWCACHE_OFS 5
+
+/* Feed control - HRDMA control */
+#define ACE_FC_HRDMACFLUSH_OFF (0 << 0)
+#define ACE_FC_HRDMACFLUSH_ON (1 << 0)
+#define ACE_FC_HRDMACSWAP_ON (1 << 1)
+#define ACE_FC_HRDMACARPROT_MASK (0x7 << 2)
+#define ACE_FC_HRDMACARPROT_OFS 2
+#define ACE_FC_HRDMACARCACHE_MASK (0xf << 5)
+#define ACE_FC_HRDMACARCACHE_OFS 5
+
+/* Feed control - PKDMA control */
+#define ACE_FC_PKDMACBYTESWAP_ON (1 << 3)
+#define ACE_FC_PKDMACDESEND_ON (1 << 2)
+#define ACE_FC_PKDMACTRANSMIT_ON (1 << 1)
+#define ACE_FC_PKDMACFLUSH_ON (1 << 0)
+
+/* Feed control - PKDMA offset */
+#define ACE_FC_SRAMOFFSET_MASK 0xfff
+
+/* AES control */
+#define ACE_AES_MODE_MASK (1 << 0)
+#define ACE_AES_MODE_ENC (0 << 0)
+#define ACE_AES_MODE_DEC (1 << 0)
+#define ACE_AES_OPERMODE_MASK (3 << 1)
+#define ACE_AES_OPERMODE_ECB (0 << 1)
+#define ACE_AES_OPERMODE_CBC (1 << 1)
+#define ACE_AES_OPERMODE_CTR (2 << 1)
+#define ACE_AES_FIFO_MASK (1 << 3)
+#define ACE_AES_FIFO_OFF (0 << 3) /* CPU mode */
+#define ACE_AES_FIFO_ON (1 << 3) /* FIFO mode */
+#define ACE_AES_KEYSIZE_MASK (3 << 4)
+#define ACE_AES_KEYSIZE_128 (0 << 4)
+#define ACE_AES_KEYSIZE_192 (1 << 4)
+#define ACE_AES_KEYSIZE_256 (2 << 4)
+#define ACE_AES_KEYCNGMODE_MASK (1 << 6)
+#define ACE_AES_KEYCNGMODE_OFF (0 << 6)
+#define ACE_AES_KEYCNGMODE_ON (1 << 6)
+#define ACE_AES_SWAP_MASK (0x1f << 7)
+#define ACE_AES_SWAPKEY_OFF (0 << 7)
+#define ACE_AES_SWAPKEY_ON (1 << 7)
+#define ACE_AES_SWAPCNT_OFF (0 << 8)
+#define ACE_AES_SWAPCNT_ON (1 << 8)
+#define ACE_AES_SWAPIV_OFF (0 << 9)
+#define ACE_AES_SWAPIV_ON (1 << 9)
+#define ACE_AES_SWAPDO_OFF (0 << 10)
+#define ACE_AES_SWAPDO_ON (1 << 10)
+#define ACE_AES_SWAPDI_OFF (0 << 11)
+#define ACE_AES_SWAPDI_ON (1 << 11)
+#define ACE_AES_COUNTERSIZE_MASK (3 << 12)
+#define ACE_AES_COUNTERSIZE_128 (0 << 12)
+#define ACE_AES_COUNTERSIZE_64 (1 << 12)
+#define ACE_AES_COUNTERSIZE_32 (2 << 12)
+#define ACE_AES_COUNTERSIZE_16 (3 << 12)
+
+/* AES status */
+#define ACE_AES_OUTRDY_MASK (1 << 0)
+#define ACE_AES_OUTRDY_OFF (0 << 0)
+#define ACE_AES_OUTRDY_ON (1 << 0)
+#define ACE_AES_INRDY_MASK (1 << 1)
+#define ACE_AES_INRDY_OFF (0 << 1)
+#define ACE_AES_INRDY_ON (1 << 1)
+#define ACE_AES_BUSY_MASK (1 << 2)
+#define ACE_AES_BUSY_OFF (0 << 2)
+#define ACE_AES_BUSY_ON (1 << 2)
+
+/* TDES control */
+#define ACE_TDES_MODE_MASK (1 << 0)
+#define ACE_TDES_MODE_ENC (0 << 0)
+#define ACE_TDES_MODE_DEC (1 << 0)
+#define ACE_TDES_OPERMODE_MASK (1 << 1)
+#define ACE_TDES_OPERMODE_ECB (0 << 1)
+#define ACE_TDES_OPERMODE_CBC (1 << 1)
+#define ACE_TDES_SEL_MASK (3 << 3)
+#define ACE_TDES_SEL_DES (0 << 3)
+#define ACE_TDES_SEL_TDESEDE (1 << 3) /* TDES EDE mode */
+#define ACE_TDES_SEL_TDESEEE (3 << 3) /* TDES EEE mode */
+#define ACE_TDES_FIFO_MASK (1 << 5)
+#define ACE_TDES_FIFO_OFF (0 << 5) /* CPU mode */
+#define ACE_TDES_FIFO_ON (1 << 5) /* FIFO mode */
+#define ACE_TDES_SWAP_MASK (0xf << 6)
+#define ACE_TDES_SWAPKEY_OFF (0 << 6)
+#define ACE_TDES_SWAPKEY_ON (1 << 6)
+#define ACE_TDES_SWAPIV_OFF (0 << 7)
+#define ACE_TDES_SWAPIV_ON (1 << 7)
+#define ACE_TDES_SWAPDO_OFF (0 << 8)
+#define ACE_TDES_SWAPDO_ON (1 << 8)
+#define ACE_TDES_SWAPDI_OFF (0 << 9)
+#define ACE_TDES_SWAPDI_ON (1 << 9)
+
+/* TDES status */
+#define ACE_TDES_OUTRDY_MASK (1 << 0)
+#define ACE_TDES_OUTRDY_OFF (0 << 0)
+#define ACE_TDES_OUTRDY_ON (1 << 0)
+#define ACE_TDES_INRDY_MASK (1 << 1)
+#define ACE_TDES_INRDY_OFF (0 << 1)
+#define ACE_TDES_INRDY_ON (1 << 1)
+#define ACE_TDES_BUSY_MASK (1 << 2)
+#define ACE_TDES_BUSY_OFF (0 << 2)
+#define ACE_TDES_BUSY_ON (1 << 2)
+
+/* Hash control */
+#define ACE_HASH_ENGSEL_MASK (0xf << 0)
+#define ACE_HASH_ENGSEL_SHA1HASH (0x0 << 0)
+#define ACE_HASH_ENGSEL_SHA1HMAC (0x1 << 0)
+#define ACE_HASH_ENGSEL_SHA1HMACIN (0x1 << 0)
+#define ACE_HASH_ENGSEL_SHA1HMACOUT (0x9 << 0)
+#define ACE_HASH_ENGSEL_MD5HASH (0x2 << 0)
+#define ACE_HASH_ENGSEL_MD5HMAC (0x3 << 0)
+#define ACE_HASH_ENGSEL_MD5HMACIN (0x3 << 0)
+#define ACE_HASH_ENGSEL_MD5HMACOUT (0xb << 0)
+#define ACE_HASH_ENGSEL_SHA256HASH (0x4 << 0)
+#define ACE_HASH_ENGSEL_SHA256HMAC (0x5 << 0)
+#define ACE_HASH_ENGSEL_PRNG (0x8 << 0)
+#define ACE_HASH_STARTBIT_ON (1 << 4)
+#define ACE_HASH_USERIV_EN (1 << 5)
+#define ACE_HASH_PAUSE_ON (1 << 0)
+
+/* Hash control - FIFO mode */
+#define ACE_HASH_FIFO_MASK (1 << 0)
+#define ACE_HASH_FIFO_OFF (0 << 0)
+#define ACE_HASH_FIFO_ON (1 << 0)
+
+/* Hash control - byte swap */
+#define ACE_HASH_SWAP_MASK (0xf << 0)
+#define ACE_HASH_SWAPKEY_OFF (0 << 0)
+#define ACE_HASH_SWAPKEY_ON (1 << 0)
+#define ACE_HASH_SWAPIV_OFF (0 << 1)
+#define ACE_HASH_SWAPIV_ON (1 << 1)
+#define ACE_HASH_SWAPDO_OFF (0 << 2)
+#define ACE_HASH_SWAPDO_ON (1 << 2)
+#define ACE_HASH_SWAPDI_OFF (0 << 3)
+#define ACE_HASH_SWAPDI_ON (1 << 3)
+
+/* Hash status */
+#define ACE_HASH_BUFRDY_MASK (1 << 0)
+#define ACE_HASH_BUFRDY_OFF (0 << 0)
+#define ACE_HASH_BUFRDY_ON (1 << 0)
+#define ACE_HASH_SEEDSETTING_MASK (1 << 1)
+#define ACE_HASH_SEEDSETTING_OFF (0 << 1)
+#define ACE_HASH_SEEDSETTING_ON (1 << 1)
+#define ACE_HASH_PRNGBUSY_MASK (1 << 2)
+#define ACE_HASH_PRNGBUSY_OFF (0 << 2)
+#define ACE_HASH_PRNGBUSY_ON (1 << 2)
+#define ACE_HASH_PARTIALDONE_MASK (1 << 4)
+#define ACE_HASH_PARTIALDONE_OFF (0 << 4)
+#define ACE_HASH_PARTIALDONE_ON (1 << 4)
+#define ACE_HASH_PRNGDONE_MASK (1 << 5)
+#define ACE_HASH_PRNGDONE_OFF (0 << 5)
+#define ACE_HASH_PRNGDONE_ON (1 << 5)
+#define ACE_HASH_MSGDONE_MASK (1 << 6)
+#define ACE_HASH_MSGDONE_OFF (0 << 6)
+#define ACE_HASH_MSGDONE_ON (1 << 6)
+#define ACE_HASH_PRNGERROR_MASK (1 << 7)
+#define ACE_HASH_PRNGERROR_OFF (0 << 7)
+#define ACE_HASH_PRNGERROR_ON (1 << 7)
+
+#define ACE_SHA_TYPE_SHA1 1
+#define ACE_SHA_TYPE_SHA256 2
+
+/**
+ * Computes hash value of input pbuf using ACE
+ *
+ * @param in_addr A pointer to the input buffer
+ * @param bufleni Byte length of input buffer
+ * @param out_addr A pointer to the output buffer. When complete
+ * 32 bytes are copied to pout[0]...pout[31]. Thus, a user
+ * should allocate at least 32 bytes at pOut in advance.
+ * @param hash_type SHA1 or SHA256
+ *
+ * @return 0 on Success, -1 on Failure (Timeout)
+ */
+int ace_sha_hash_digest(const uchar * in_addr, uint buflen,
+ uchar * out_addr, uint hash_type);
+#endif