[coreboot] New patch to review for coreboot: af05241 Exynos5250: Drop SHA implementation
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Thu Feb 14 23:07:58 CET 2013
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2390
-gerrit
commit af052415102dbe9660afd722b2c866b1e369dcbc
Author: Stefan Reinauer <reinauer at chromium.org>
Date: Thu Feb 14 13:36:52 2013 -0800
Exynos5250: Drop SHA implementation
We don't need SHA in coreboot.
Change-Id: I1985d5e2c74fac39ff9dcdba4c23bb34fa857ec7
Signed-off-by: Stefan Reinauer <reinauer at google.com>
---
src/cpu/samsung/exynos5250/Makefile.inc | 1 -
src/cpu/samsung/exynos5250/ace_sfr.h | 310 --------------------------------
src/cpu/samsung/exynos5250/ace_sha.c | 118 ------------
src/cpu/samsung/exynos5250/ace_sha.h | 41 -----
4 files changed, 470 deletions(-)
diff --git a/src/cpu/samsung/exynos5250/Makefile.inc b/src/cpu/samsung/exynos5250/Makefile.inc
index 0a58c0c..ec6b0e1 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 8f1c893..0000000
--- 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 2715a03..0000000
--- 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 ed4e4d5..0000000
--- 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
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