SHA-256 and SHA-1 accelerated using ACE hardware.

TEST=sha256 0x40008000 0x2B 0x40009000 Used mm and md to write a standard string to memory location 0x40008000 and ran the above command to verify the output.

Signed-off-by: ARUN MANKUZHI arun.m@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com --- arch/arm/cpu/armv7/exynos/Makefile | 4 + arch/arm/cpu/armv7/exynos/ace_sha.c | 118 +++++++++++ arch/arm/include/asm/arch-exynos/ace_sfr.h | 310 +++++++++++++++++++++++++++++ arch/arm/include/asm/arch-exynos/ace_sha.h | 41 ++++ arch/arm/include/asm/arch-exynos/cpu.h | 4 + 5 files changed, 477 insertions(+) create mode 100644 arch/arm/cpu/armv7/exynos/ace_sha.c create mode 100644 arch/arm/include/asm/arch-exynos/ace_sfr.h create mode 100644 arch/arm/include/asm/arch-exynos/ace_sha.h

diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index 9119961..0a93a52 100644 --- a/arch/arm/cpu/armv7/exynos/Makefile +++ b/arch/arm/cpu/armv7/exynos/Makefile @@ -24,6 +24,10 @@ LIB = $(obj)lib$(SOC).o

COBJS += clock.o power.o soc.o system.o pinmux.o

+ifdef CONFIG_EXYNOS_ACE_SHA +COBJS += ace_sha.o +endif + SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))

diff --git a/arch/arm/cpu/armv7/exynos/ace_sha.c b/arch/arm/cpu/armv7/exynos/ace_sha.c new file mode 100644 index 0000000..2715a03 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/ace_sha.c @@ -0,0 +1,118 @@ +/* + * 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/arch/arm/include/asm/arch-exynos/ace_sfr.h b/arch/arm/include/asm/arch-exynos/ace_sfr.h new file mode 100644 index 0000000..8f1c893 --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/ace_sfr.h @@ -0,0 +1,310 @@ +/* + * 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/arch/arm/include/asm/arch-exynos/ace_sha.h b/arch/arm/include/asm/arch-exynos/ace_sha.h new file mode 100644 index 0000000..ed4e4d5 --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/ace_sha.h @@ -0,0 +1,41 @@ +/* + * 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 diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index eb34422..2a20558 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -62,6 +62,7 @@ #define EXYNOS4_GPIO_PART4_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_DP_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_SPI_ISP_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4_ACE_SFR_BASE DEVICE_NOT_AVAILABLE

/* EXYNOS4X12 */ #define EXYNOS4X12_GPIO_PART3_BASE 0x03860000 @@ -95,6 +96,7 @@ #define EXYNOS4X12_I2S_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4X12_SPI_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4X12_SPI_ISP_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4X12_ACE_SFR_BASE DEVICE_NOT_AVAILABLE

/* EXYNOS5 Common*/ #define EXYNOS5_I2C_SPACING 0x10000 @@ -106,6 +108,7 @@ #define EXYNOS5_SWRESET 0x10040400 #define EXYNOS5_SYSREG_BASE 0x10050000 #define EXYNOS5_WATCHDOG_BASE 0x101D0000 +#define EXYNOS5_ACE_SFR_BASE 0x10830000 #define EXYNOS5_DMC_PHY0_BASE 0x10C00000 #define EXYNOS5_DMC_PHY1_BASE 0x10C10000 #define EXYNOS5_GPIO_PART3_BASE 0x10D10000 @@ -205,6 +208,7 @@ static inline unsigned int samsung_get_base_##device(void) \

SAMSUNG_BASE(adc, ADC_BASE) SAMSUNG_BASE(clock, CLOCK_BASE) +SAMSUNG_BASE(ace_sfr, ACE_SFR_BASE) SAMSUNG_BASE(dp, DP_BASE) SAMSUNG_BASE(sysreg, SYSREG_BASE) SAMSUNG_BASE(fimd, FIMD_BASE)

This enables SHA 256 for exynos.

TEST=sha256 0x40008000 0x2B 0x40009000 Used mm and md to write a standard string to memory location 0x40008000 and ran the above command to verify the output.

Signed-off-by: ARUN MANKUZHI arun.m@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com --- include/configs/exynos5250-dt.h | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h index cabd2f2..3963aaf 100644 --- a/include/configs/exynos5250-dt.h +++ b/include/configs/exynos5250-dt.h @@ -45,6 +45,9 @@ /* Keep L2 Cache Disabled */ #define CONFIG_SYS_DCACHE_OFF

+#define CONFIG_CMD_SHA256 +#define CONFIG_EXYNOS_ACE_SHA + #define CONFIG_SYS_SDRAM_BASE 0x40000000 #define CONFIG_SYS_TEXT_BASE 0x43E00000

sha256 command is added which can be used to test SHA 256 hash algorithm.

TEST=sha256 0x40008000 0x2B 0x40009000 Used mm and md to write a standard string to memory location 0x40008000 and ran the above command to verify the output.

Signed-off-by: ARUN MANKUZHI arun.m@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com --- common/Makefile | 1 + common/cmd_sha256.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 common/cmd_sha256.c

diff --git a/common/Makefile b/common/Makefile index 54fcc81..6170ed5 100644 --- a/common/Makefile +++ b/common/Makefile @@ -201,6 +201,7 @@ COBJS-$(CONFIG_MENU) += menu.o COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o COBJS-$(CONFIG_UPDATE_TFTP) += update.o COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o +COBJS-$(CONFIG_CMD_SHA256) += cmd_sha256.o COBJS-$(CONFIG_CMD_DFU) += cmd_dfu.o COBJS-$(CONFIG_CMD_GPT) += cmd_gpt.o endif diff --git a/common/cmd_sha256.c b/common/cmd_sha256.c new file mode 100644 index 0000000..e4f6b56 --- /dev/null +++ b/common/cmd_sha256.c @@ -0,0 +1,69 @@ +/* + * Copyright 2000-2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <command.h> +#ifdef CONFIG_EXYNOS_ACE_SHA +#include <asm/arch/ace_sha.h> +#else +#include <sha256.h> +#endif + +int do_sha256(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned long inlen; + unsigned char *input, *out; + int i; +#ifndef CONFIG_EXYNOS_ACE_SHA + sha256_context sha_cnxt; +#endif + if (argc < 4) { + printf("usage: sha256 <input> <input length> <output>\n"); + return 0; + } + input = (unsigned char *)simple_strtoul(argv[1], NULL, 16); + inlen = simple_strtoul(argv[2], NULL, 16); + out = (unsigned char *)simple_strtoul(argv[3], NULL, 16); + +#ifdef CONFIG_EXYNOS_ACE_SHA + ace_sha_hash_digest(out, input, inlen, 2); +#else + sha256_starts(&sha_cnxt); + + sha256_update(&sha_cnxt, input, inlen); + + sha256_finish(&sha_cnxt, out); +#endif + + for (i = 0; i < 32; i++) + printf("0x%02X ", out[i]); + printf("\n"); + + return 0; +} + +U_BOOT_CMD( + sha256, 4, 1, do_sha256, + "print hash result", + "<input> <inputlength> <output>" +);