Exynos5250: Drop SHA implementation
We don't need SHA in coreboot. Change-Id: I1985d5e2c74fac39ff9dcdba4c23bb34fa857ec7 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/2390 Reviewed-by: David Hendricks <dhendrix@chromium.org> Tested-by: build bot (Jenkins)
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			| @@ -28,7 +28,6 @@ ramstage-y += power.c | ||||
| ramstage-y += soc.c | ||||
| ramstage-$(CONFIG_CONSOLE_SERIAL_UART) += uart.c | ||||
|  | ||||
| #ramstage-$(CONFIG_EXYNOS_ACE_SHA) += ace_sha.c | ||||
| #ramstage-$(CONFIG_SATA_AHCI) += sata.c | ||||
|  | ||||
| exynos5250_add_bl1: $(obj)/coreboot.pre | ||||
|   | ||||
| @@ -1,310 +0,0 @@ | ||||
| /* | ||||
|  * 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_SFR_H | ||||
| #define __ACE_SFR_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)	/* AES */ | ||||
| #define ACE_FC_SELBC_DES		(1 << 2)	/* DES */ | ||||
|  | ||||
| /* 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) | ||||
|  | ||||
| /* Hash control 2 */ | ||||
| #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) | ||||
|  | ||||
| #endif | ||||
| @@ -1,118 +0,0 @@ | ||||
| /* | ||||
|  * Advanced Crypto Engine - SHA Firmware | ||||
|  * | ||||
|  * 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 | ||||
|  * | ||||
|  */ | ||||
| #include <common.h> | ||||
| #include <asm/arch/ace_sha.h> | ||||
| #include <asm/arch/ace_sfr.h> | ||||
|  | ||||
| /* Maximum input data size is 8 MB. Timeout observed for data size above 8MB */ | ||||
| #define TIMEOUT_MS		100 | ||||
|  | ||||
| #define SHA1_DIGEST_LEN		20 | ||||
| #define SHA256_DIGEST_LEN	32 | ||||
|  | ||||
| /* SHA1 value for the message of zero length */ | ||||
| static const unsigned char sha1_digest_emptymsg[SHA1_DIGEST_LEN] = { | ||||
| 	0xDA, 0x39, 0xA3, 0xEE, 0x5E, 0x6B, 0x4B, 0x0D, | ||||
| 	0x32, 0x55, 0xBF, 0xFF, 0x95, 0x60, 0x18, 0x90, | ||||
| 	0xAF, 0xD8, 0x07, 0x09}; | ||||
|  | ||||
| /* SHA256 value for the message of zero length */ | ||||
| static const unsigned char sha256_digest_emptymsg[SHA256_DIGEST_LEN] = { | ||||
| 	0xE3, 0xB0, 0xC4, 0x42, 0x98, 0xFC, 0x1C, 0x14, | ||||
| 	0x9A, 0xFB, 0xF4, 0xC8, 0x99, 0x6F, 0xB9, 0x24, | ||||
| 	0x27, 0xAE, 0x41, 0xE4, 0x64, 0x9B, 0x93, 0x4C, | ||||
| 	0xA4, 0x95, 0x99, 0x1B, 0x78, 0x52, 0xB8, 0x55}; | ||||
|  | ||||
| int ace_sha_hash_digest( | ||||
| 	unsigned char *pout, unsigned char *pbuf, | ||||
| 	unsigned int buf_len, unsigned int hash_type) | ||||
| { | ||||
| 	unsigned int i, reg, len; | ||||
| 	unsigned int *pdigest; | ||||
| 	ulong start; | ||||
| 	struct exynos_ace_sfr *ace_sha_reg = | ||||
| 		(struct exynos_ace_sfr *) samsung_get_base_ace_sfr(); | ||||
|  | ||||
| 	if (buf_len == 0) { | ||||
| 		/* ACE H/W cannot compute hash value for empty string */ | ||||
| 		if (hash_type == ACE_SHA_TYPE_SHA1) | ||||
| 			memcpy(pout, sha1_digest_emptymsg, SHA1_DIGEST_LEN); | ||||
| 		else | ||||
| 			memcpy(pout, sha256_digest_emptymsg, SHA256_DIGEST_LEN); | ||||
| 		return 0; | ||||
| 	} | ||||
|  | ||||
| 	/* Flush HRDMA */ | ||||
| 	writel(ACE_FC_HRDMACFLUSH_ON, &ace_sha_reg->fc_hrdmac); | ||||
| 	writel(ACE_FC_HRDMACFLUSH_OFF, &ace_sha_reg->fc_hrdmac); | ||||
|  | ||||
| 	/* Set byte swap of data in */ | ||||
| 	writel(ACE_HASH_SWAPDI_ON | ACE_HASH_SWAPDO_ON | ACE_HASH_SWAPIV_ON, | ||||
| 			&ace_sha_reg->hash_byteswap); | ||||
|  | ||||
| 	/* Select Hash input mux as external source */ | ||||
| 	reg = readl(&ace_sha_reg->fc_fifoctrl); | ||||
| 	reg = (reg & ~ACE_FC_SELHASH_MASK) | ACE_FC_SELHASH_EXOUT; | ||||
| 	writel(reg, &ace_sha_reg->fc_fifoctrl); | ||||
|  | ||||
| 	/* Set Hash as SHA1 or SHA256 and start Hash engine */ | ||||
| 	reg = (hash_type == ACE_SHA_TYPE_SHA1) ? | ||||
| 		ACE_HASH_ENGSEL_SHA1HASH : ACE_HASH_ENGSEL_SHA256HASH; | ||||
| 	reg |= ACE_HASH_STARTBIT_ON; | ||||
| 	writel(reg, &ace_sha_reg->hash_control); | ||||
|  | ||||
| 	/* Enable FIFO mode */ | ||||
| 	writel(ACE_HASH_FIFO_ON, &ace_sha_reg->hash_fifo_mode); | ||||
|  | ||||
| 	/* Set message length */ | ||||
| 	writel(buf_len, &ace_sha_reg->hash_msgsize_low); | ||||
| 	writel(0, &ace_sha_reg->hash_msgsize_high); | ||||
|  | ||||
| 	/* Set HRDMA */ | ||||
| 	writel((unsigned int)pbuf, &ace_sha_reg->fc_hrdmas); | ||||
| 	writel(buf_len, &ace_sha_reg->fc_hrdmal); | ||||
|  | ||||
| 	start = get_timer(0); | ||||
|  | ||||
| 	while ((readl(&ace_sha_reg->hash_status) & ACE_HASH_MSGDONE_MASK) == | ||||
| 		ACE_HASH_MSGDONE_OFF) { | ||||
|  | ||||
| 		if (get_timer(start) > TIMEOUT_MS) { | ||||
| 			debug("%s: Timeout waiting for ACE\n", __func__); | ||||
| 			return -1; | ||||
| 		} | ||||
| 	} | ||||
|  | ||||
| 	/* Clear MSG_DONE bit */ | ||||
| 	writel(ACE_HASH_MSGDONE_ON, &ace_sha_reg->hash_status); | ||||
|  | ||||
| 	/* Read hash result */ | ||||
| 	pdigest = (unsigned int *)pout; | ||||
| 	len = (hash_type == ACE_SHA_TYPE_SHA1) ? 5 : 8; | ||||
|  | ||||
| 	for (i = 0; i < len ; i++) | ||||
| 		pdigest[i] = readl(&ace_sha_reg->hash_result[i]); | ||||
|  | ||||
| 	/* Clear HRDMA pending bit */ | ||||
| 	writel(ACE_FC_HRDMA, &ace_sha_reg->fc_intpend); | ||||
|  | ||||
| 	return 0; | ||||
| } | ||||
| @@ -1,41 +0,0 @@ | ||||
| /* | ||||
|  * Header file for SHA firmware | ||||
|  * | ||||
|  * 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_FW_SHA1_H | ||||
| #define __ACE_FW_SHA1_H | ||||
|  | ||||
| #define ACE_SHA_TYPE_SHA1	1 | ||||
| #define ACE_SHA_TYPE_SHA256	2 | ||||
|  | ||||
| /** | ||||
|  * Computes hash value of input pbuf using ACE | ||||
|  * | ||||
|  * @param pout    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 pbuf    A pointer to the input buffer | ||||
|  * @param buflen  Byte length of input buffer | ||||
|  * @param hash_type SHA1 or SHA256 | ||||
|  * | ||||
|  * @return 0      Success | ||||
|  */ | ||||
| int ace_sha_hash_digest(uchar *pout, uchar *pbuf, uint buflen, uint hash_type); | ||||
|  | ||||
| #endif | ||||
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