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)

4 files changed, 0 insertions, 470 deletions

diff --git a/src/cpu/samsung/exynos5250/Makefile.inc b/src/cpu/samsung/exynos5250/Makefile.inc
index 0a58c0c516..ec6b0e163d 100644
--- a/src/cpu/samsung/exynos5250/Makefile.inc
+++ b/src/cpu/samsung/exynos5250/Makefile.inc
@@ -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
diff --git a/src/cpu/samsung/exynos5250/ace_sfr.h b/src/cpu/samsung/exynos5250/ace_sfr.h
deleted file mode 100644
index 8f1c893d37..0000000000
--- a/src/cpu/samsung/exynos5250/ace_sfr.h
+++ /dev/null
@@ -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
diff --git a/src/cpu/samsung/exynos5250/ace_sha.c b/src/cpu/samsung/exynos5250/ace_sha.c
deleted file mode 100644
index 2715a03b2d..0000000000
--- a/src/cpu/samsung/exynos5250/ace_sha.c
+++ /dev/null
@@ -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;
-}
diff --git a/src/cpu/samsung/exynos5250/ace_sha.h b/src/cpu/samsung/exynos5250/ace_sha.h
deleted file mode 100644
index ed4e4d5785..0000000000
--- a/src/cpu/samsung/exynos5250/ace_sha.h
+++ /dev/null
@@ -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