diff options
| author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-02-01 14:35:36 +0000 |
|---|---|---|
| committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-02-01 14:35:36 +0000 |
| commit | 19dd812e30738975cdcae52e47bfefb741a93d8d (patch) | |
| tree | 01eb0ccf485a6841881c9eebf29f636382facdc6 /target/linux/ifxmips/files/drivers | |
| parent | edd6adae2e68d79c8df7be3dd886f18893f27dc3 (diff) | |
[ifxmips]
* drop codebase in favour of lantiq target
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25277 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ifxmips/files/drivers')
20 files changed, 0 insertions, 6437 deletions
diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/Makefile b/target/linux/ifxmips/files/drivers/crypto/ifxmips/Makefile deleted file mode 100755 index f8789d6e9..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu_danube.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_DES) += ifxmips_des.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_AES) += ifxmips_aes.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) += ifxmips_arc4.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) += ifxmips_sha1.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) += ifxmips_sha1_hmac.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) += ifxmips_mda5.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MDA5_HMAC) += ifxmips_mda5_hmac.o diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_aes.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_aes.c deleted file mode 100755 index aa7d69905..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_aes.c +++ /dev/null @@ -1,1020 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx DEU driver module -*/ - -/*! - \file ifxmips_aes.c - \ingroup IFX_DEU - \brief AES Encryption Driver main file -*/ - -/*! - \defgroup IFX_AES_FUNCTIONS IFX_AES_FUNCTIONS - \ingroup IFX_DEU - \brief IFX AES driver Functions -*/ - - -/* Project Header Files */ -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/byteorder.h> -#include <crypto/algapi.h> -#include "ifxmips_deu.h" - -/* DMA related header and variables */ -#ifdef CONFIG_CRYPTO_DEV_DMA -#include "ifxmips_deu_dma.h" -#include <asm/ifx/irq.h> -#include <asm/ifx/ifx_dma_core.h> -extern _ifx_deu_device ifx_deu[1]; -extern u32 *aes_buff_in; -extern u32 *aes_buff_out; -#ifndef CONFIG_CRYPTO_DEV_POLL_DMA -#define CONFIG_CRYPTO_DEV_POLL_DMA -#endif -#endif /* CONFIG_CRYPTO_DEV_DMA */ - -spinlock_t aes_lock; -#define CRTCL_SECT_INIT spin_lock_init(&aes_lock) -#define CRTCL_SECT_START spin_lock_irqsave(&aes_lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&aes_lock, flag) - -/* Definition of constants */ -#define AES_START IFX_AES_CON -#define AES_MIN_KEY_SIZE 16 -#define AES_MAX_KEY_SIZE 32 -#define AES_BLOCK_SIZE 16 -#define CTR_RFC3686_NONCE_SIZE 4 -#define CTR_RFC3686_IV_SIZE 8 -#define CTR_RFC3686_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE) - -/* Function decleration */ -int aes_chip_init(void); -u32 endian_swap(u32 input); -u32 input_swap(u32 input); -u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); -void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -int aes_memory_allocate(int value); -int des_memory_allocate(int value); -void memory_release(u32 *addr); - -#ifndef CONFIG_CRYPTO_DEV_DMA -extern void ifx_deu_aes (void *ctx_arg, uint8_t *out_arg, const uint8_t *in_arg, - uint8_t *iv_arg, size_t nbytes, int encdec, int mode); -#else -extern void ifx_deu_aes_core (void *ctx_arg, uint8_t *out_arg, const uint8_t *in_arg, - uint8_t *iv_arg, size_t nbytes, int encdec, int mode); -#endif -/* End of function decleration */ - -struct aes_ctx { - int key_length; - u32 buf[AES_MAX_KEY_SIZE]; - u8 nonce[CTR_RFC3686_NONCE_SIZE]; -}; - - -extern int disable_deudma; - - -/*! \fn int aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets the AES keys - * \param tfm linux crypto algo transform - * \param in_key input key - * \param key_len key lengths of 16, 24 and 32 bytes supported - * \return -EINVAL - bad key length, 0 - SUCCESS -*/ -int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - - DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); - - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - ctx->key_length = key_len; - memcpy ((u8 *) (ctx->buf), in_key, key_len); - - return 0; -} - - -#ifndef CONFIG_CRYPTO_DEV_DMA -/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode) - * \ingroup IFX_AES_FUNCTIONS - * \brief main interface to AES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc, ctr - * -*/ -void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, size_t nbytes, int encdec, int mode) -#else - -/*! \fn void ifx_deu_aes_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode) - * \ingroup IFX_AES_FUNCTIONS - * \brief main interface to AES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc, ctr - * -*/ -void ifx_deu_aes_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, size_t nbytes, int encdec, int mode) -#endif - -{ - /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; - struct aes_ctx *ctx = (struct aes_ctx *)ctx_arg; - u32 *in_key = ctx->buf; - ulong flag; - /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - int key_len = ctx->key_length; - -#ifndef CONFIG_CRYPTO_DEV_DMA - int i = 0; - int byte_cnt = nbytes; - -#else - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; - struct dma_device_info *dma_device = ifx_deu[0].dma_device; - //deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv; - int wlen = 0; - u32 *outcopy = NULL; - u32 *dword_mem_aligned_in = NULL; - -#ifdef CONFIG_CRYPTO_DEV_POLL_DMA - u32 timeout = 0; - u32 *out_dma = NULL; -#endif - -#endif - - DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", ctx, mode, encdec); - - CRTCL_SECT_START; - - /* 128, 192 or 256 bit key length */ - aes->controlr.K = key_len / 8 - 2; - if (key_len == 128 / 8) { - aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); - aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); - aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); - aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); - } - else if (key_len == 192 / 8) { - aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); - aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); - aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); - aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); - aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4)); - aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5)); - } - else if (key_len == 256 / 8) { - aes->K7R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); - aes->K6R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); - aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); - aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); - aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4)); - aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5)); - aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 6)); - aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 7)); - } - else { - printk (KERN_ERR "[%s %s %d]: Invalid key_len : %d\n", __FILE__, __func__, __LINE__, key_len); - CRTCL_SECT_END; - return;// -EINVAL; - } - - /* let HW pre-process DEcryption key in any case (even if - ENcryption is used). Key Valid (KV) bit is then only - checked in decryption routine! */ - aes->controlr.PNK = 1; - -#ifdef CONFIG_CRYPTO_DEV_DMA - while (aes->controlr.BUS) { - // this will not take long - } - AES_DMA_MISC_CONFIG(); -#endif - - aes->controlr.E_D = !encdec; /* encryption */ - aes->controlr.O = mode; /* 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR */ - aes->controlr.SM = 1; /* start after writing input register */ - aes->controlr.DAU = 0; /* Disable Automatic Update of init vector */ - aes->controlr.ARS = 1; /* Autostart Select - write to IHR */ - - //aes->controlr.F = 128; //default; only for CFB and OFB modes; change only for customer-specific apps - if (mode > 0) { - aes->IV3R = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); - aes->IV2R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); - aes->IV1R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2)); - aes->IV0R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3)); - }; - -#ifndef CONFIG_CRYPTO_DEV_DMA - i = 0; - while (byte_cnt >= 16) { - - aes->ID3R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 0)); - aes->ID2R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 1)); - aes->ID1R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 2)); - aes->ID0R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */ - - while (aes->controlr.BUS) { - // this will not take long - } - - *((volatile u32 *) out_arg + (i * 4) + 0) = aes->OD3R; - *((volatile u32 *) out_arg + (i * 4) + 1) = aes->OD2R; - *((volatile u32 *) out_arg + (i * 4) + 2) = aes->OD1R; - *((volatile u32 *) out_arg + (i * 4) + 3) = aes->OD0R; - - i++; - byte_cnt -= 16; - } - -#else // dma - - /* Prepare Rx buf length used in dma psuedo interrupt */ - //deu_priv->deu_rx_buf = out_arg; - //deu_priv->deu_rx_len = nbytes; - - /* memory alignment issue */ - dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, aes_buff_in, BUFFER_IN, nbytes); - - dma->controlr.ALGO = 1; //AES - dma->controlr.BS = 0; - aes->controlr.DAU = 0; - dma->controlr.EN = 1; - - while (aes->controlr.BUS) { - // wait for AES to be ready - }; - - wlen = dma_device_write (dma_device, (u8 *)dword_mem_aligned_in, nbytes, NULL); - if (wlen != nbytes) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - - WAIT_AES_DMA_READY(); - -#ifdef CONFIG_CRYPTO_DEV_POLL_DMA - - outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, aes_buff_out, BUFFER_OUT, nbytes); - - // polling DMA rx channel - while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { - timeout++; - - if (timeout >= 333000) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - } - - WAIT_AES_DMA_READY(); - - AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); - -#else // not working at the moment.. - CRTCL_SECT_END; - - /* Sleep and wait for Rx finished */ - DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); - - CRTCL_SECT_START; -#endif - -#endif // dma - - //tc.chen : copy iv_arg back - if (mode > 0) { - *((u32 *) iv_arg) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg)); - *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); - *((u32 *) iv_arg + 2) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2)); - *((u32 *) iv_arg + 3) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3)); - } - - CRTCL_SECT_END; -} - -/*! - * \fn int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets RFC3686 key - * \param tfm linux crypto algo transform - * \param in_key input key - * \param key_len key lengths of 20, 28 and 36 bytes supported; last 4 bytes is nonce - * \return 0 - SUCCESS - * -EINVAL - bad key length -*/ -int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - - printk("ctr_rfc3686_aes_set_key in %s\n", __FILE__); - - memcpy(ctx->nonce, in_key + (key_len - CTR_RFC3686_NONCE_SIZE), - CTR_RFC3686_NONCE_SIZE); - - key_len -= CTR_RFC3686_NONCE_SIZE; // remove 4 bytes of nonce - - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->buf), in_key, key_len); - - return 0; -} - -/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_AES_FUNCTIONS - * \brief main interface with deu hardware in DMA mode - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc, ctr -*/ - -#ifdef CONFIG_CRYPTO_DEV_DMA -void ifx_deu_aes (void *ctx_arg, u8 * out_arg, const u8 * in_arg, - u8 * iv_arg, u32 nbytes, int encdec, int mode) -{ - u32 remain = nbytes; - u32 inc; - - while (remain > 0) - { - if (remain >= DEU_MAX_PACKET_SIZE) - { - inc = DEU_MAX_PACKET_SIZE; - } - else - { - inc = remain; - } - - remain -= inc; - - ifx_deu_aes_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); - - out_arg += inc; - in_arg += inc; - } - -} -#endif - -//definitions from linux/include/crypto.h: -//#define CRYPTO_TFM_MODE_ECB 0x00000001 -//#define CRYPTO_TFM_MODE_CBC 0x00000002 -//#define CRYPTO_TFM_MODE_CFB 0x00000004 -//#define CRYPTO_TFM_MODE_CTR 0x00000008 -//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined -//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR - -/*! \fn void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to ECB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, NULL, nbytes, encdec, 0); -} - -/*! \fn void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to CBC mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 1); -} - -/*! \fn void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to OFB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 2); -} - -/*! \fn void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to CFB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 3); -} - -/*! \fn void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to CTR mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 4); -} - -/*! \fn void aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_AES_FUNCTIONS - * \brief encrypt AES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE, - CRYPTO_DIR_ENCRYPT, 0); - -} - -/*! \fn void aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_AES_FUNCTIONS - * \brief decrypt AES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE, - CRYPTO_DIR_DECRYPT, 0); -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_aes_alg = { - .cra_name = "aes", - .cra_driver_name = "ifxdeu-aes", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_aes_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt, - } - } -}; - -/*! \fn int ecb_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief ECB AES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ecb_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ecb_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief ECB AES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ecb_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_ecb_aes_alg = { - .cra_name = "ecb(aes)", - .cra_driver_name = "ifxdeu-ecb(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = aes_set_key, - .encrypt = ecb_aes_encrypt, - .decrypt = ecb_aes_decrypt, - } - } -}; - - -/*! \fn int cbc_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief CBC AES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int cbc_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief CBC AES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_cbc_aes_alg = { - .cra_name = "cbc(aes)", - .cra_driver_name = "ifxdeu-cbc(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = aes_set_key, - .encrypt = cbc_aes_encrypt, - .decrypt = cbc_aes_decrypt, - } - } -}; - - -/*! \fn int ctr_basic_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_basic_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ctr_basic_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_basic_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_ctr_basic_aes_alg = { - .cra_name = "ctr(aes)", - .cra_driver_name = "ifxdeu-ctr(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_basic_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = aes_set_key, - .encrypt = ctr_basic_aes_encrypt, - .decrypt = ctr_basic_aes_decrypt, - } - } -}; - - -/*! \fn int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES (rfc3686) encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - u8 rfc3686_iv[16]; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - /* set up counter block */ - memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE); - memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, walk.iv, CTR_RFC3686_IV_SIZE); - - /* initialize counter portion of counter block */ - *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) = - cpu_to_be32(1); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - rfc3686_iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES (rfc3686) decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - u8 rfc3686_iv[16]; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - /* set up counter block */ - memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE); - memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, walk.iv, CTR_RFC3686_IV_SIZE); - - /* initialize counter portion of counter block */ - *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) = - cpu_to_be32(1); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - rfc3686_iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_ctr_rfc3686_aes_alg = { - .cra_name = "rfc3686(ctr(aes))", - .cra_driver_name = "ifxdeu-ctr-rfc3686(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_rfc3686_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = CTR_RFC3686_MAX_KEY_SIZE, - .ivsize = CTR_RFC3686_IV_SIZE, - .setkey = ctr_rfc3686_aes_set_key, - .encrypt = ctr_rfc3686_aes_encrypt, - .decrypt = ctr_rfc3686_aes_decrypt, - } - } -}; - - -/*! \fn int __init ifxdeu_init_aes (void) - * \ingroup IFX_AES_FUNCTIONS - * \brief function to initialize AES driver - * \return ret -*/ -int __init ifxdeu_init_aes (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_aes_alg))) - goto aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_ecb_aes_alg))) - goto ecb_aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_cbc_aes_alg))) - goto cbc_aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_ctr_basic_aes_alg))) - goto ctr_basic_aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_ctr_rfc3686_aes_alg))) - goto ctr_rfc3686_aes_err; - - aes_chip_init (); - - CRTCL_SECT_INIT; - -#ifdef CONFIG_CRYPTO_DEV_DMA - if (ALLOCATE_MEMORY(BUFFER_IN, AES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto ctr_rfc3686_aes_err; - } - if (ALLOCATE_MEMORY(BUFFER_OUT, AES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto ctr_rfc3686_aes_err; - } -#endif - - printk (KERN_NOTICE "IFX DEU AES initialized %s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -ctr_rfc3686_aes_err: - crypto_unregister_alg(&ifxdeu_ctr_rfc3686_aes_alg); - printk (KERN_ERR "IFX ctr_rfc3686_aes initialization failed!\n"); - return ret; -ctr_basic_aes_err: - crypto_unregister_alg(&ifxdeu_ctr_basic_aes_alg); - printk (KERN_ERR "IFX ctr_basic_aes initialization failed!\n"); - return ret; -cbc_aes_err: - crypto_unregister_alg(&ifxdeu_cbc_aes_alg); - printk (KERN_ERR "IFX cbc_aes initialization failed!\n"); - return ret; -ecb_aes_err: - crypto_unregister_alg(&ifxdeu_ecb_aes_alg); - printk (KERN_ERR "IFX aes initialization failed!\n"); - return ret; -aes_err: - printk(KERN_ERR "IFX DEU AES initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_aes (void) - * \ingroup IFX_AES_FUNCTIONS - * \brief unregister aes driver -*/ -void __exit ifxdeu_fini_aes (void) -{ - crypto_unregister_alg (&ifxdeu_aes_alg); - crypto_unregister_alg (&ifxdeu_ecb_aes_alg); - crypto_unregister_alg (&ifxdeu_cbc_aes_alg); - crypto_unregister_alg (&ifxdeu_ctr_basic_aes_alg); - crypto_unregister_alg (&ifxdeu_ctr_rfc3686_aes_alg); - -#ifdef CONFIG_CRYPTO_DEV_DMA - FREE_MEMORY(aes_buff_in); - FREE_MEMORY(aes_buff_out); -#endif - -} - diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_arc4.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_arc4.c deleted file mode 100755 index b33a19de9..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_arc4.c +++ /dev/null @@ -1,388 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_arc4.c - \ingroup IFX_DEU - \brief ARC4 encryption DEU driver file -*/ - -/*! - \defgroup IFX_ARC4_FUNCTIONS IFX_ARC4_FUNCTIONS - \ingroup IFX_DEU - \brief IFX deu driver functions -*/ - -/* Project header */ -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <crypto/algapi.h> -#include <linux/interrupt.h> -#include <asm/byteorder.h> -#include <linux/delay.h> -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -/* Preprocessor declerations */ -#define ARC4_MIN_KEY_SIZE 1 -//#define ARC4_MAX_KEY_SIZE 256 -#define ARC4_MAX_KEY_SIZE 16 -#define ARC4_BLOCK_SIZE 1 -#define ARC4_START IFX_ARC4_CON - -/* - * \brief arc4 private structure -*/ -struct arc4_ctx { - int key_length; - u8 buf[120]; -}; - -extern int disable_deudma; - -/*! \fn static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - \ingroup IFX_ARC4_FUNCTIONS - \brief main interface to AES hardware - \param ctx_arg crypto algo context - \param out_arg output bytestream - \param in_arg input bytestream - \param iv_arg initialization vector - \param nbytes length of bytestream - \param encdec 1 for encrypt; 0 for decrypt - \param mode operation mode such as ebc, cbc, ctr -*/ -static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -{ - volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; - int i = 0; - ulong flag; - -#if 1 // need to handle nbytes not multiple of 16 - volatile u32 tmp_array32[4]; - volatile u8 *tmp_ptr8; - int remaining_bytes, j; -#endif - - CRTCL_SECT_START; - - arc4->IDLEN = nbytes; - -#if 1 - while (i < nbytes) { - arc4->ID3R = *((u32 *) in_arg + (i>>2) + 0); - arc4->ID2R = *((u32 *) in_arg + (i>>2) + 1); - arc4->ID1R = *((u32 *) in_arg + (i>>2) + 2); - arc4->ID0R = *((u32 *) in_arg + (i>>2) + 3); - - arc4->controlr.GO = 1; - - while (arc4->controlr.BUS) { - // this will not take long - } - -#if 1 - // need to handle nbytes not multiple of 16 - tmp_array32[0] = arc4->OD3R; - tmp_array32[1] = arc4->OD2R; - tmp_array32[2] = arc4->OD1R; - tmp_array32[3] = arc4->OD0R; - - remaining_bytes = nbytes - i; - if (remaining_bytes > 16) - remaining_bytes = 16; - - tmp_ptr8 = (u8 *)&tmp_array32[0]; - for (j = 0; j < remaining_bytes; j++) - *out_arg++ = *tmp_ptr8++; -#else - *((u32 *) out_arg + (i>>2) + 0) = arc4->OD3R; - *((u32 *) out_arg + (i>>2) + 1) = arc4->OD2R; - *((u32 *) out_arg + (i>>2) + 2) = arc4->OD1R; - *((u32 *) out_arg + (i>>2) + 3) = arc4->OD0R; -#endif - - i += 16; - } -#else // dma - - -#endif // dma - - CRTCL_SECT_END; -} - -/*! \fn arc4_chip_init (void) - \ingroup IFX_ARC4_FUNCTIONS - \brief initialize arc4 hardware -*/ -static void arc4_chip_init (void) -{ - //do nothing -} - -/*! \fn static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) - \ingroup IFX_ARC4_FUNCTIONS - \brief sets ARC4 key - \param tfm linux crypto algo transform - \param in_key input key - \param key_len key lengths less than or equal to 16 bytes supported -*/ -static int arc4_set_key(struct crypto_tfm *tfm, const u8 *inkey, - unsigned int key_len) -{ - //struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); - volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; - - u32 *in_key = (u32 *)inkey; - - // must program all bits at one go?!!! -#if 1 -//#ifndef CONFIG_CRYPTO_DEV_VR9_DMA - *IFX_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) ); - //NDC=1,ENDI=1,GO=0,KSAE=1,SM=0 - - arc4->K3R = *((u32 *) in_key + 0); - arc4->K2R = *((u32 *) in_key + 1); - arc4->K1R = *((u32 *) in_key + 2); - arc4->K0R = *((u32 *) in_key + 3); -#else //dma - *AMAZONS_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) | (1<<4) ); - //NDC=1,ENDI=1,GO=0,KSAE=1,SM=1 - - arc4->K3R = *((u32 *) in_key + 0); - arc4->K2R = *((u32 *) in_key + 1); - arc4->K1R = *((u32 *) in_key + 2); - arc4->K0R = *((u32 *) in_key + 3); - -#if 0 - arc4->K3R = endian_swap(*((u32 *) in_key + 0)); - arc4->K2R = endian_swap(*((u32 *) in_key + 1)); - arc4->K1R = endian_swap(*((u32 *) in_key + 2)); - arc4->K0R = endian_swap(*((u32 *) in_key + 3)); -#endif - -#endif - -#if 0 // arc4 is a ugly state machine, KSAE can only be set once per session - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->buf), in_key, key_len); -#endif - - return 0; -} - -/*! \fn static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - \ingroup IFX_ARC4_FUNCTIONS - \brief sets ARC4 hardware to ECB mode - \param ctx crypto algo context - \param dst output bytestream - \param src input bytestream - \param iv initialization vector - \param nbytes length of bytestream - \param encdec 1 for encrypt; 0 for decrypt - \param inplace not used -*/ -static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - _deu_arc4 (ctx, dst, src, NULL, nbytes, encdec, 0); -} - -/*! \fn static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) - \ingroup IFX_ARC4_FUNCTIONS - \brief encrypt/decrypt ARC4_BLOCK_SIZE of data - \param tfm linux crypto algo transform - \param out output bytestream - \param in input bytestream -*/ -static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); - - _deu_arc4 (ctx, out, in, NULL, ARC4_BLOCK_SIZE, - CRYPTO_DIR_DECRYPT, CRYPTO_TFM_MODE_ECB); - -} - -/* - * \brief ARC4 function mappings -*/ -static struct crypto_alg ifxdeu_arc4_alg = { - .cra_name = "arc4", - .cra_driver_name = "ifxdeu-arc4", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = ARC4_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct arc4_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_arc4_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = ARC4_MIN_KEY_SIZE, - .cia_max_keysize = ARC4_MAX_KEY_SIZE, - .cia_setkey = arc4_set_key, - .cia_encrypt = arc4_crypt, - .cia_decrypt = arc4_crypt, - } - } -}; - -/*! \fn static int ecb_arc4_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - \ingroup IFX_ARC4_FUNCTIONS - \brief ECB ARC4 encrypt using linux crypto blkcipher - \param desc blkcipher descriptor - \param dst output scatterlist - \param src input scatterlist - \param nbytes data size in bytes -*/ -static int ecb_arc4_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(1, "\n"); - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= ARC4_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn static int ecb_arc4_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - \ingroup IFX_ARC4_FUNCTIONS - \brief ECB ARC4 decrypt using linux crypto blkcipher - \param desc blkcipher descriptor - \param dst output scatterlist - \param src input scatterlist - \param nbytes data size in bytes -*/ -static int ecb_arc4_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(1, "\n"); - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= ARC4_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief ARC4 function mappings -*/ -static struct crypto_alg ifxdeu_ecb_arc4_alg = { - .cra_name = "ecb(arc4)", - .cra_driver_name = "ifxdeu-ecb(arc4)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = ARC4_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct arc4_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = ARC4_MIN_KEY_SIZE, - .max_keysize = ARC4_MAX_KEY_SIZE, - .setkey = arc4_set_key, - .encrypt = ecb_arc4_encrypt, - .decrypt = ecb_arc4_decrypt, - } - } -}; - -/*! \fn int __init ifxdeu_init_arc4(void) - \ingroup IFX_ARC4_FUNCTIONS - \brief initialize arc4 driver -*/ -int __init ifxdeu_init_arc4(void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_arc4_alg))) - goto arc4_err; - - if ((ret = crypto_register_alg(&ifxdeu_ecb_arc4_alg))) - goto ecb_arc4_err; - - arc4_chip_init (); - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU ARC4 initialized %s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -arc4_err: - crypto_unregister_alg(&ifxdeu_arc4_alg); - printk(KERN_ERR "IFX arc4 initialization failed!\n"); - return ret; -ecb_arc4_err: - crypto_unregister_alg(&ifxdeu_ecb_arc4_alg); - printk (KERN_ERR "IFX ecb_arc4 initialization failed!\n"); - return ret; - -} - -/*! \fn void __exit ifxdeu_fini_arc4(void) - \ingroup IFX_ARC4_FUNCTIONS - \brief unregister arc4 driver -*/ -void __exit ifxdeu_fini_arc4(void) -{ - crypto_unregister_alg (&ifxdeu_arc4_alg); - crypto_unregister_alg (&ifxdeu_ecb_arc4_alg); -} - -#endif diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_arc4.h b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_arc4.h deleted file mode 100755 index 8cd768d2c..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_arc4.h +++ /dev/null @@ -1,59 +0,0 @@ -#ifndef IFXMIPS_ARC4_H -#define IFXMIPS_ARC4_H - -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver file -*/ - -/*! - \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DRIVERS - \ingroup IFX_DEU - \brief ifx deu definitions -*/ - -/*! - \file ifxmips_arc4.h - \brief ARC4 DEU header driver file -*/ - - - -#define ARC4_START IFX_ARC4_CON - -#ifdef CONFIG_CRYPTO_DEV_ARC4_AR9 -#include "ifxmips_deu_structs_ar9.h" -#endif -#ifdef CONFIG_CRYPTO_DEV_DMA_AR9 -#include "ifxmips_deu_structs_ar9.h" -#endif - -#ifdef CONFIG_CRYPTO_DEV_ARC4_VR9 -#include "ifxmips_deu_structs_vr9.h" -#endif -#ifdef CONFIG_CRYPTO_DEV_DMA_VR9 -#include "ifxmips_deu_structs_vr9.h" -#include <asm/ifx/irq.h> -#endif - -#endif /* IFXMIPS_ARC4_H */ diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_des.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_des.c deleted file mode 100755 index ffceb2868..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_des.c +++ /dev/null @@ -1,893 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver -*/ - -/*! - \file ifxmips_des.c - \ingroup IFX_DEU - \brief DES encryption DEU driver file -*/ - -/*! - \defgroup IFX_DES_FUNCTIONS IFX_DES_FUNCTIONS - \ingroup IFX_DEU - \brief IFX DES Encryption functions -*/ - -/* Project Header Files */ -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/byteorder.h> -#include <crypto/algapi.h> -#include "ifxmips_deu.h" - -/* DMA specific header and variables */ -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -#include "ifxmips_deu_dma.h" -#include <asm/ifx/irq.h> -#include <asm/ifx/ifx_dma_core.h> -extern _ifx_deu_device ifx_deu[1]; -extern u32 *des_buff_in; -extern u32 *des_buff_out; -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA -#define CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA */ -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -spinlock_t des_lock; -#define CRTCL_SECT_INIT spin_lock_init(&des_lock) -#define CRTCL_SECT_START spin_lock_irqsave(&des_lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&des_lock, flag) - -/* Preprocessor declarations */ -#define DES_3DES_START IFX_DES_CON -#define DES_KEY_SIZE 8 -#define DES_EXPKEY_WORDS 32 -#define DES_BLOCK_SIZE 8 -#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) -#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) -#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE - -/* Function Declaration to prevent warning messages */ -void des_chip_init (void); -u32 endian_swap(u32 input); -u32 input_swap(u32 input); -int aes_memory_allocate(int value); -int des_memory_allocate(int value); -void memory_release(u32 *buffer); -u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); -void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode); -#else -void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode); -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -struct des_ctx { - int controlr_M; - int key_length; - u8 iv[DES_BLOCK_SIZE]; - u32 expkey[DES3_EDE_EXPKEY_WORDS]; -}; - -extern int disable_deudma; - -/*! \fn int des_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES key - * \param tfm linux crypto algo transform - * \param key input key - * \param key_len key length -*/ -int des_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int key_len) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - - DPRINTF(0, "ctx @%p, key_len %d %d\n", ctx, key_len); - - ctx->controlr_M = 0; /* des */ - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->expkey), key, key_len); - - return 0; -} - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_DES_FUNCTIONS - * \brief main interface to DES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc -*/ - -void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -#else -/*! \fn void ifx_deu_des_core(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_DES_FUNCTIONS - * \brief main interface to DES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc -*/ - -void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -#endif -{ - volatile struct des_t *des = (struct des_t *) DES_3DES_START; - struct des_ctx *dctx = ctx_arg; - u32 *key = dctx->expkey; - ulong flag; - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - int i = 0; - int nblocks = 0; -#else - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; - struct dma_device_info *dma_device = ifx_deu[0].dma_device; - //deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv; - int wlen = 0; - u32 *outcopy = NULL; - u32 *dword_mem_aligned_in = NULL; - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA - u32 timeout = 0; - u32 *out_dma = NULL; -#endif - -#endif - - DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", dctx, mode, encdec); - - CRTCL_SECT_START; - - des->controlr.E_D = !encdec; /* encryption */ - des->controlr.O = mode; /* 0 ECB, 1 CBC, 2 OFB, 3 CFB, 4 CTR */ - des->controlr.SM = 1; /* start after writing input register */ - des->controlr.DAU = 0; /* Disable Automatic Update of init vector */ - des->controlr.ARS = 1; /* Autostart Select - write to IHR */ - - des->controlr.M = dctx->controlr_M; - /* write keys */ - if (dctx->controlr_M == 0) { - /* DES mode */ - des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); - des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); -#ifdef CRYPTO_DEBUG - printk ("key1: %x\n", (*((u32 *) key + 0))); - printk ("key2: %x\n", (*((u32 *) key + 1))); -#endif - } else { - /* 3DES mode (EDE-x) */ - switch (dctx->key_length) { - case 24: - des->K3HR = DEU_ENDIAN_SWAP(*((u32 *) key + 4)); - des->K3LR = DEU_ENDIAN_SWAP(*((u32 *) key + 5)); - /* no break; */ - case 16: - des->K2HR = DEU_ENDIAN_SWAP(*((u32 *) key + 2)); - des->K2LR = DEU_ENDIAN_SWAP(*((u32 *) key + 3)); - /* no break; */ - case 8: - des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); - des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); - break; - default: - CRTCL_SECT_END; - return; - } - } - - /* write init vector (not required for ECB mode) */ - if (mode > 0) { - des->IVHR = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); - des->IVLR = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); - } - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - nblocks = nbytes / 4; - - for (i = 0; i < nblocks; i += 2) { - /* wait for busy bit to clear */ - - /*--- Workaround ---------------------------------------------------- - do a dummy read to the busy flag because it is not raised early - enough in CFB/OFB 3DES modes */ -#ifdef CRYPTO_DEBUG - printk ("ihr: %x\n", (*((u32 *) in_arg + i))); - printk ("ilr: %x\n", (*((u32 *) in_arg + 1 + i))); -#endif - des->IHR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + i)); - des->ILR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + 1 + i)); /* start crypto */ - - while (des->controlr.BUS) { - /* this will not take long */ - } - - *((u32 *) out_arg + 0 + i) = des->OHR; - *((u32 *) out_arg + 1 + i) = des->OLR; - -#ifdef CRYPTO_DEBUG - printk ("ohr: %x\n", (*((u32 *) out_arg + i))); - printk ("olr: %x\n", (*((u32 *) out_arg + 1 + i))); -#endif - } - -#else /* dma mode */ - - /* Prepare Rx buf length used in dma psuedo interrupt */ - //deu_priv->deu_rx_buf = out_arg; - //deu_priv->deu_rx_len = nbytes; - - /* memory alignment issue */ - dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, des_buff_in, BUFFER_IN, nbytes); - - dma->controlr.ALGO = 0; //DES - des->controlr.DAU = 0; - dma->controlr.BS = 0; - dma->controlr.EN = 1; - - while (des->controlr.BUS) { - // wait for AES to be ready - }; - - wlen = dma_device_write (dma_device, (u8 *) dword_mem_aligned_in, nbytes, NULL); - if (wlen != nbytes) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - - WAIT_DES_DMA_READY(); - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA - - outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, des_buff_out, BUFFER_OUT, nbytes); - - // polling DMA rx channel - while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { - timeout++; - - if (timeout >= 333000) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - } - - WAIT_DES_DMA_READY(); - - DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); - -#else - - CRTCL_SECT_END; /* Sleep and wait for Rx finished */ - DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); - CRTCL_SECT_START; - -#endif - -#endif /* dma mode */ - - if (mode > 0) { - *(u32 *) iv_arg = DEU_ENDIAN_SWAP(des->IVHR); - *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(des->IVLR); - }; - - CRTCL_SECT_END; -} - -//definitions from linux/include/crypto.h: -//#define CRYPTO_TFM_MODE_ECB 0x00000001 -//#define CRYPTO_TFM_MODE_CBC 0x00000002 -//#define CRYPTO_TFM_MODE_CFB 0x00000004 -//#define CRYPTO_TFM_MODE_CTR 0x00000008 -//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined -//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR - -/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_DES_FUNCTIONS - * \brief main interface to DES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc -*/ - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -{ - u32 remain = nbytes; - u32 inc; - - DPRINTF(0, "\n"); - - while (remain > 0) - { - if (remain >= DEU_MAX_PACKET_SIZE) - { - inc = DEU_MAX_PACKET_SIZE; - } - else - { - inc = remain; - } - - remain -= inc; - - ifx_deu_des_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); - - out_arg += inc; - in_arg += inc; - } -} -#endif - - -/*! \fn void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to ECB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ - -void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, NULL, nbytes, encdec, 0); -} - -/*! \fn void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to CBC mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 1); -} - -/*! \fn void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to OFB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 2); -} - -/*! \fn void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - \ingroup IFX_DES_FUNCTIONS - \brief sets DES hardware to CFB mode - \param ctx crypto algo context - \param dst output bytestream - \param src input bytestream - \param iv initialization vector - \param nbytes length of bytestream - \param encdec 1 for encrypt; 0 for decrypt - \param inplace not used -*/ -void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 3); -} - -/*! \fn void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to CTR mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 4); -} - -/*! \fn void des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_DES_FUNCTIONS - * \brief encrypt DES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_ENCRYPT, 0); -} - -/*! \fn void des_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_DES_FUNCTIONS - * \brief encrypt DES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_DECRYPT, 0); -} - -/* - * \brief RFC2451: - * - * For DES-EDE3, there is no known need to reject weak or - * complementation keys. Any weakness is obviated by the use of - * multiple keys. - * - * However, if the first two or last two independent 64-bit keys are - * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the - * same as DES. Implementers MUST reject keys that exhibit this - * property. - * - */ - -/*! \fn int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets 3DES key - * \param tfm linux crypto algo transform - * \param key input key - * \param keylen key length -*/ -int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int key_len) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - - DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); - - ctx->controlr_M = key_len / 8 + 1; // 3DES EDE1 / EDE2 / EDE3 Mode - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->expkey), key, key_len); - - return 0; -} - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_des_alg = { - .cra_name = "des", - .cra_driver_name = "ifxdeu-des", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_des_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt } } -}; - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_des3_ede_alg = { - .cra_name = "des3_ede", - .cra_driver_name = "ifxdeu-des3_ede", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_des3_ede_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des3_ede_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt } } -}; - -/*! \fn int ecb_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief ECB DES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes -*/ -int ecb_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ecb_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief ECB DES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ecb_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_ecb_des_alg = { - .cra_name = "ecb(des)", - .cra_driver_name = "ifxdeu-ecb(des)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .setkey = des_setkey, - .encrypt = ecb_des_encrypt, - .decrypt = ecb_des_decrypt, - } - } -}; - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_ecb_des3_ede_alg = { - .cra_name = "ecb(des3_ede)", - .cra_driver_name = "ifxdeu-ecb(des3_ede)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des3_ede_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .setkey = des3_ede_setkey, - .encrypt = ecb_des_encrypt, - .decrypt = ecb_des_decrypt, - } - } -}; - -/*! \fn int cbc_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief CBC DES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - //printk("iv = %08x\n", *(u32 *)iv); - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int cbc_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief CBC DES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - //printk("iv = %08x\n", *(u32 *)iv); - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_cbc_des_alg = { - .cra_name = "cbc(des)", - .cra_driver_name = "ifxdeu-cbc(des)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des_setkey, - .encrypt = cbc_des_encrypt, - .decrypt = cbc_des_decrypt, - } - } -}; - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_cbc_des3_ede_alg = { - .cra_name = "cbc(des3_ede)", - .cra_driver_name = "ifxdeu-cbc(des3_ede)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des3_ede_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des3_ede_setkey, - .encrypt = cbc_des_encrypt, - .decrypt = cbc_des_decrypt, - } - } -}; - -/*! \fn int __init ifxdeu_init_des (void) - * \ingroup IFX_DES_FUNCTIONS - * \brief initialize des driver -*/ -int __init ifxdeu_init_des (void) -{ - int ret = 0; - - ret = crypto_register_alg(&ifxdeu_des_alg); - if (ret < 0) - goto des_err; - - ret = crypto_register_alg(&ifxdeu_ecb_des_alg); - if (ret < 0) - goto ecb_des_err; - - ret = crypto_register_alg(&ifxdeu_cbc_des_alg); - if (ret < 0) - goto cbc_des_err; - - ret = crypto_register_alg(&ifxdeu_des3_ede_alg); - if (ret < 0) - goto des3_ede_err; - - ret = crypto_register_alg(&ifxdeu_ecb_des3_ede_alg); - if (ret < 0) - goto ecb_des3_ede_err; - - ret = crypto_register_alg(&ifxdeu_cbc_des3_ede_alg); - if (ret < 0) - goto cbc_des3_ede_err; - - des_chip_init(); - - CRTCL_SECT_INIT; - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - if (ALLOCATE_MEMORY(BUFFER_IN, DES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto cbc_des3_ede_err; - } - if (ALLOCATE_MEMORY(BUFFER_OUT, DES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto cbc_des3_ede_err; - } -#endif - - printk (KERN_NOTICE "IFX DEU DES initialized %s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -des_err: - crypto_unregister_alg(&ifxdeu_des_alg); - printk(KERN_ERR "IFX des initialization failed!\n"); - return ret; -ecb_des_err: - crypto_unregister_alg(&ifxdeu_ecb_des_alg); - printk (KERN_ERR "IFX ecb_des initialization failed!\n"); - return ret; -cbc_des_err: - crypto_unregister_alg(&ifxdeu_cbc_des_alg); - printk (KERN_ERR "IFX cbc_des initialization failed!\n"); - return ret; -des3_ede_err: - crypto_unregister_alg(&ifxdeu_des3_ede_alg); - printk(KERN_ERR "IFX des3_ede initialization failed!\n"); - return ret; -ecb_des3_ede_err: - crypto_unregister_alg(&ifxdeu_ecb_des3_ede_alg); - printk (KERN_ERR "IFX ecb_des3_ede initialization failed!\n"); - return ret; -cbc_des3_ede_err: - crypto_unregister_alg(&ifxdeu_cbc_des3_ede_alg); - printk (KERN_ERR "IFX cbc_des3_ede initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_des (void) - * \ingroup IFX_DES_FUNCTIONS - * \brief unregister des driver -*/ -void __exit ifxdeu_fini_des (void) -{ - crypto_unregister_alg (&ifxdeu_des_alg); - crypto_unregister_alg (&ifxdeu_ecb_des_alg); - crypto_unregister_alg (&ifxdeu_cbc_des_alg); - crypto_unregister_alg (&ifxdeu_des3_ede_alg); - crypto_unregister_alg (&ifxdeu_ecb_des3_ede_alg); - crypto_unregister_alg (&ifxdeu_cbc_des3_ede_alg); - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - FREE_MEMORY(des_buff_in); - FREE_MEMORY(des_buff_out); -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA_DANUBE */ -} diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu.c deleted file mode 100755 index 38a5ee8b7..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu.c - \ingroup IFX_DEU - \brief main deu driver file -*/ - -/*! - \defgroup IFX_DEU_FUNCTIONS IFX_DEU_FUNCTIONS - \ingroup IFX_DEU - \brief IFX DEU functions -*/ - -/* Project header */ -#include <linux/version.h> -#if defined(CONFIG_MODVERSIONS) -#define MODVERSIONS -#include <linux/modversions.h> -#endif -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <linux/proc_fs.h> -#include <linux/fs.h> /* Stuff about file systems that we need */ -#include <asm/byteorder.h> -#include <ifxmips_pmu.h> -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -int disable_deudma = 0; -#else -int disable_deudma = 1; -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -#ifdef CRYPTO_DEBUG -char deu_debug_level = 3; -#endif - -/*! \fn static int __init deu_init (void) - * \ingroup IFX_DEU_FUNCTIONS - * \brief link all modules that have been selected in kernel config for ifx hw crypto support - * \return ret -*/ -static int __init deu_init (void) -{ - int ret = -ENOSYS; - u32 config; - - volatile struct clc_controlr_t *clc = (struct clc_controlr_t *) IFX_DEU_CLK; - - ifxmips_pmu_enable(1<<20); - - printk(KERN_INFO "Lantiq crypto hardware driver version %s\n", IFX_DEU_DRV_VERSION); - - chip_version(); - - clc->FSOE = 0; - clc->SBWE = 0; - clc->SPEN = 0; - clc->SBWE = 0; - clc->DISS = 0; - clc->DISR = 0; - - config = *IFX_DEU_ID; - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - deu_dma_init (); -#endif - -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) - if(config & IFX_DEU_ID_DES) { - if ((ret = ifxdeu_init_des ())) { - printk (KERN_ERR "IFX DES initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX DES not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) - if(config & IFX_DEU_ID_AES) { - if ((ret = ifxdeu_init_aes ())) { - printk (KERN_ERR "IFX AES initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX AES not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) - if ((ret = ifxdeu_init_arc4 ())) { - printk (KERN_ERR "IFX ARC4 initialization failed!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) - if(config & IFX_DEU_ID_HASH) { - if ((ret = ifxdeu_init_sha1 ())) { - printk (KERN_ERR "IFX SHA1 initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX SHA1 not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) - if(config & IFX_DEU_ID_HASH) { - if ((ret = ifxdeu_init_md5 ())) { - printk (KERN_ERR "IFX MD5 initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX MD5 not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) - if ((ret = ifxdeu_init_sha1_hmac ())) { - printk (KERN_ERR "IFX SHA1_HMAC initialization failed!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) - if ((ret = ifxdeu_init_md5_hmac ())) { - printk (KERN_ERR "IFX MD5_HMAC initialization failed!\n"); - } -#endif - return ret; -} - -/*! \fn static void __exit deu_fini (void) - * \ingroup IFX_DEU_FUNCTIONS - * \brief remove the loaded crypto algorithms -*/ -static void __exit deu_fini (void) -{ - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) - ifxdeu_fini_des (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) - ifxdeu_fini_aes (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) - ifxdeu_fini_arc4 (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) - ifxdeu_fini_sha1 (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) - ifxdeu_fini_md5 (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) - ifxdeu_fini_sha1_hmac (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) - ifxdeu_fini_md5_hmac (); - #endif - printk("DEU has exited successfully\n"); - - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DMA) - ifxdeu_fini_dma(); - printk("DMA has deregistered successfully\n"); - #endif -} - -module_init (deu_init); -module_exit (deu_fini); - -MODULE_DESCRIPTION ("Infineon crypto engine support."); -MODULE_LICENSE ("GPL"); -MODULE_AUTHOR ("Mohammad Firdaus"); diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu.h b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu.h deleted file mode 100755 index 77bb8daef..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu.h - \brief main deu driver header file -*/ - -/*! - \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DEFINITIONS - \ingroup IFX_DEU - \brief ifx deu definitions -*/ - - -#ifndef IFXMIPS_DEU_H -#define IFXMIPS_DEU_H - -#define IFX_DEU_DRV_VERSION "1.0.1" - -#include "ifxmips_deu_danube.h" - -#define IFXDEU_ALIGNMENT 16 - -#define PFX "ifxdeu: " - -#define IFXDEU_CRA_PRIORITY 300 -#define IFXDEU_COMPOSITE_PRIORITY 400 - - -#define IFX_DEU_BASE_ADDR (KSEG1 | 0x1E103100) -#define IFX_DEU_CLK ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0000)) -#define IFX_DEU_ID ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0008)) -#define IFX_DES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0010)) -#define IFX_AES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0050)) -#define IFX_HASH_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x00B0)) -#define IFX_ARC4_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0100)) - -#define IFX_DEU_ID_REV 0x00001F -#define IFX_DEU_ID_ID 0x00FF00 -#define IFX_DEU_ID_DMA 0x010000 -#define IFX_DEU_ID_HASH 0x020000 -#define IFX_DEU_ID_AES 0x040000 -#define IFX_DEU_ID_3DES 0x080000 -#define IFX_DEU_ID_DES 0x100000 - -#define CRYPTO_DIR_ENCRYPT 1 -#define CRYPTO_DIR_DECRYPT 0 - -#undef CRYPTO_DEBUG - -#ifdef CRYPTO_DEBUG -extern char deu_debug_level; -#define DPRINTF(level, format, args...) if (level < deu_debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args); -#else -#define DPRINTF(level, format, args...) -#endif - -#define IFX_MPS (KSEG1 | 0x1F107000) - -#define IFX_MPS_CHIPID ((volatile u32*)(IFX_MPS + 0x0344)) -#define IFX_MPS_CHIPID_VERSION_GET(value) (((value) >> 28) & 0xF) -#define IFX_MPS_CHIPID_VERSION_SET(value) (((value) & 0xF) << 28) -#define IFX_MPS_CHIPID_PARTNUM_GET(value) (((value) >> 12) & 0xFFFF) -#define IFX_MPS_CHIPID_PARTNUM_SET(value) (((value) & 0xFFFF) << 12) -#define IFX_MPS_CHIPID_MANID_GET(value) (((value) >> 1) & 0x7FF) -#define IFX_MPS_CHIPID_MANID_SET(value) (((value) & 0x7FF) << 1) - -void chip_version(void); - -int __init ifxdeu_init_des (void); -int __init ifxdeu_init_aes (void); -int __init ifxdeu_init_arc4 (void); -int __init ifxdeu_init_sha1 (void); -int __init ifxdeu_init_md5 (void); -int __init ifxdeu_init_sha1_hmac (void); -int __init ifxdeu_init_md5_hmac (void); - -void __exit ifxdeu_fini_des (void); -void __exit ifxdeu_fini_aes (void); -void __exit ifxdeu_fini_arc4 (void); -void __exit ifxdeu_fini_sha1 (void); -void __exit ifxdeu_fini_md5 (void); -void __exit ifxdeu_fini_sha1_hmac (void); -void __exit ifxdeu_fini_md5_hmac (void); -void __exit ifxdeu_fini_dma(void); - -int deu_dma_init (void); - -#define DEU_WAKELIST_INIT(queue) \ - init_waitqueue_head(&queue) - -#define DEU_WAIT_EVENT_TIMEOUT(queue, event, flags, timeout) \ - do { \ - wait_event_interruptible_timeout((queue), \ - test_bit((event), &(flags)), (timeout)); \ - clear_bit((event), &(flags)); \ - }while (0) - - -#define DEU_WAKEUP_EVENT(queue, event, flags) \ - do { \ - set_bit((event), &(flags)); \ - wake_up_interruptible(&(queue)); \ - }while (0) - -#define DEU_WAIT_EVENT(queue, event, flags) \ - do { \ - wait_event_interruptible(queue, \ - test_bit((event), &(flags))); \ - clear_bit((event), &(flags)); \ - }while (0) - -typedef struct deu_drv_priv { - wait_queue_head_t deu_thread_wait; -#define DEU_EVENT 1 - volatile long deu_event_flags; - u8 *deu_rx_buf; - u32 deu_rx_len; -}deu_drv_priv_t; - -#endif /* IFXMIPS_DEU_H */ diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_danube.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_danube.c deleted file mode 100755 index a8cf8a58f..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_danube.c +++ /dev/null @@ -1,443 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief deu driver module -*/ - -/*! - \file ifxmips_deu_danube.c - \ingroup IFX_DEU - \brief board specific deu driver file for danube -*/ - -/*! - \defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS - \ingroup IFX_DEU - \brief board specific deu functions -*/ - -/* Project header files */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/io.h> //dma_cache_inv -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -u32 *des_buff_in = NULL; -u32 *des_buff_out = NULL; -u32 *aes_buff_in = NULL; -u32 *aes_buff_out = NULL; -_ifx_deu_device ifx_deu[1]; -#endif - -/* Function Declerations */ -int aes_memory_allocate(int value); -int des_memory_allocate(int value); -void memory_release(u32 *addr); -int aes_chip_init (void); -void des_chip_init (void); -int deu_dma_init (void); -u32 endian_swap(u32 input); -u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); -void dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -void __exit ifxdeu_fini_dma(void); - -#define DES_3DES_START IFX_DES_CON -#define AES_START IFX_AES_CON - -/* Variables definition */ -int ifx_danube_pre_1_4; -u8 *g_dma_page_ptr = NULL; -u8 *g_dma_block = NULL; -u8 *g_dma_block2 = NULL; - - -/*! \fn int deu_dma_init (void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief Initialize DMA for DEU usage. DMA specific registers are - * intialized here, including a pointer to the device, memory - * space for the device and DEU-DMA descriptors - * \return -1 if fail, otherwise return 0 -*/ - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -int deu_dma_init (void) -{ - struct dma_device_info *dma_device = NULL; - int i = 0; - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; - struct dma_device_info *deu_dma_device_ptr; - - // get one free page and share between g_dma_block and g_dma_block2 - printk("PAGE_SIZE = %ld\n", PAGE_SIZE); - g_dma_page_ptr = (u8 *)__get_free_page(GFP_KERNEL); // need 16-byte alignment memory block - g_dma_block = g_dma_page_ptr; // need 16-byte alignment memory block - g_dma_block2 = (u8 *)(g_dma_page_ptr + (PAGE_SIZE >> 1)); // need 16-byte alignment memory block - - - deu_dma_device_ptr = dma_device_reserve ("DEU"); - if (!deu_dma_device_ptr) { - printk ("DEU: reserve DMA fail!\n"); - return -1; - } - ifx_deu[0].dma_device = deu_dma_device_ptr; - dma_device = deu_dma_device_ptr; - //dma_device->priv = &deu_dma_priv; - dma_device->buffer_alloc = &deu_dma_buffer_alloc; - dma_device->buffer_free = &deu_dma_buffer_free; - dma_device->intr_handler = &deu_dma_intr_handler; - dma_device->tx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; - dma_device->rx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; - dma_device->port_num = 1; - dma_device->tx_burst_len = 4; - dma_device->max_rx_chan_num = 1; - dma_device->max_tx_chan_num = 1; - dma_device->port_packet_drop_enable = 0; - - for (i = 0; i < dma_device->max_rx_chan_num; i++) { - dma_device->rx_chan[i]->packet_size = DEU_MAX_PACKET_SIZE; - dma_device->rx_chan[i]->desc_len = 1; - dma_device->rx_chan[i]->control = IFX_DMA_CH_ON; - dma_device->rx_chan[i]->byte_offset = 0; - dma_device->rx_chan[i]->chan_poll_enable = 1; - - } - - for (i = 0; i < dma_device->max_tx_chan_num; i++) { - dma_device->tx_chan[i]->control = IFX_DMA_CH_ON; - dma_device->tx_chan[i]->desc_len = 1; - dma_device->tx_chan[i]->chan_poll_enable = 1; - } - - dma_device->current_tx_chan = 0; - dma_device->current_rx_chan = 0; - - dma_device_register (dma_device); - for (i = 0; i < dma_device->max_rx_chan_num; i++) { - (dma_device->rx_chan[i])->open (dma_device->rx_chan[i]); - } - - dma->controlr.BS = 0; - dma->controlr.RXCLS = 0; - dma->controlr.EN = 1; - - - *IFX_DMA_PS = 1; - - /* DANUBE PRE 1.4 SOFTWARE FIX */ - if (ifx_danube_pre_1_4) - *IFX_DMA_PCTRL = 0x14; - else - *IFX_DMA_PCTRL = 0xF14; - - return 0; -} - -/*! \fn u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief A fix to align mis-aligned address for Danube version 1.3 chips which has - * memory alignment issues. - * \param arg Pointer to the input / output memory address - * \param buffer_alloc A pointer to the buffer - * \param in_buff Input (if == 1) or Output (if == 0) buffer - * \param nbytes Number of bytes of data - * \return returns arg: if address is aligned, buffer_alloc: if memory address is not aligned -*/ - -u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) -{ - if (ifx_danube_pre_1_4) { - /* for input buffer */ - if(in_buff) { - if (((u32) arg) & 0xF) { - memcpy(buffer_alloc, arg, nbytes); - return (u32 *) buffer_alloc; - } - else - return (u32 *) arg; - } - else { - /* for output buffer */ - if (((u32) arg) & 0x3) - return buffer_alloc; - else - return (u32 *) arg; - } - } - - return (u32 *) arg; -} - -/*! \fn void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief copy the DMA data to the memory address space for AES. The swaping of the 4 bytes - * is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy - * to out_arg pointer - * \param outcopy Pointer to the address to store swapped copy - * \param out_dma A pointer to the memory address that stores the DMA data - * \param out_arg The pointer to the memory address that needs to be copied to - * \param nbytes Number of bytes of data -*/ - -void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) -{ - int i = 0; - int x = 0; - - /* DANUBE PRE 1.4 SOFTWARE FIX */ - if (ifx_danube_pre_1_4) { - for (i = 0; i < (nbytes / 4); i++) { - x = i ^ 0x3; - outcopy[i] = out_dma[x]; - - } - if (((u32) out_arg) & 0x3) { - memcpy((u8 *)out_arg, outcopy, nbytes); - } - } - else - memcpy (out_arg, out_dma, nbytes); -} - -/*! \fn void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief copy the DMA data to the memory address space for DES. The swaping of the 4 bytes - * is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy - * to out_arg pointer - * - * \param outcopy Pointer to the address to store swapped copy - * \param out_dma A pointer to the memory address that stores the DMA data - * \param out_arg The pointer to the memory address that needs to be copied to - * \param nbytes Number of bytes of data -*/ - -void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) -{ - int i = 0; - int x = 0; - - /* DANUBE PRE 1.4 SOFTWARE FIX */ - if (ifx_danube_pre_1_4) { - for (i = 0; i < (nbytes / 4); i++) { - x = i ^ 1; - outcopy[i] = out_dma[x]; - - } - if (((u32) out_arg) & 0x3) { - memcpy((u8 *)out_arg, outcopy, nbytes); - } - } - else - memcpy (out_arg, out_dma, nbytes); -} - -/*! \fn int des_memory_allocate(int value) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief allocates memory to the necessary memory input/output buffer location, used during - * the DES algorithm DMA transfer (memory alignment issues) - * \param value value determinds whether the calling of the function is for a input buffer - * or for an output buffer memory allocation -*/ - -int des_memory_allocate(int value) -{ - if (ifx_danube_pre_1_4) { - if (value == BUFFER_IN) { - des_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!des_buff_in) - return -1; - else - return 0; - } - else { - des_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!des_buff_out) - return -1; - else - return 0; - } - } - - else - return 0; -} - -/*! \fn int aes_memory_allocate(int value) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief allocates memory to the necessary memory input/output buffer location, used during - * the AES algorithm DMA transfer (memory alignment issues) - * \param value value determinds whether the calling of the function is for a input buffer - * or for an output buffer memory allocation -*/ - -int aes_memory_allocate(int value) -{ - if (ifx_danube_pre_1_4) { - if (value == BUFFER_IN) { - aes_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!aes_buff_in) - return -1; - else - return 0; - } - else { - aes_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!aes_buff_out) - return -1; - else - return 0; - } - } - - else - return 0; -} - -/*! \fn void memory_release(u32 *addr) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief frees previously allocated memory - * \param addr memory address of the buffer that needs to be freed -*/ - -void memory_release(u32 *addr) -{ - if (addr) - kfree(addr); - return; -} - -/*! \fn __exit ifxdeu_fini_dma(void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief unregister dma devices after exit -*/ - -void __exit ifxdeu_fini_dma(void) -{ - if (g_dma_page_ptr) - free_page((u32) g_dma_page_ptr); - dma_device_release(ifx_deu[0].dma_device); - dma_device_unregister(ifx_deu[0].dma_device); - -} - -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -/*! \fn u32 endian_swap(u32 input) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief function is not used - * \param input Data input to be swapped - * \return input -*/ - -u32 endian_swap(u32 input) -{ - return input; -} - -/*! \fn u32 input_swap(u32 input) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief Swap the input data if the current chip is Danube version - * 1.4 and do nothing to the data if the current chip is - * Danube version 1.3 - * \param input data that needs to be swapped - * \return input or swapped input -*/ - -u32 input_swap(u32 input) -{ - if (!ifx_danube_pre_1_4) { - u8 *ptr = (u8 *)&input; - return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); - } - else - return input; -} - - - -/*! \fn void aes_chip_init (void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief initialize AES hardware -*/ - -int aes_chip_init (void) -{ - volatile struct aes_t *aes = (struct aes_t *) AES_START; - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - //start crypto engine with write to ILR - aes->controlr.SM = 1; - aes->controlr.ARS = 1; -#else - aes->controlr.SM = 1; - aes->controlr.ARS = 1; // 0 for dma -#endif - return 0; -} - -/*! \fn void des_chip_init (void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief initialize DES hardware -*/ - -void des_chip_init (void) -{ - volatile struct des_t *des = (struct des_t *) DES_3DES_START; - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - // start crypto engine with write to ILR - des->controlr.SM = 1; - des->controlr.ARS = 1; -#else - des->controlr.SM = 1; - des->controlr.ARS = 1; // 0 for dma - -#endif -} - -/*! \fn void chip_version (void) - * \ingroup IFX_DES_FUNCTIONS - * \brief To find the version of the chip by looking at the chip ID - * \param ifx_danube_pre_1_4 (sets to 1 if Chip is Danube less than v1.4) -*/ - -void chip_version(void) -{ - /* DANUBE PRE 1.4 SOFTWARE FIX */ - int chip_id = 0; - chip_id = *IFX_MPS_CHIPID; - chip_id >>= 28; - - if (chip_id >= 4) { - ifx_danube_pre_1_4 = 0; - printk("Danube Chip ver. 1.4 detected. \n"); - } - else { - ifx_danube_pre_1_4 = 1; - printk("Danube Chip ver. 1.3 or below detected. \n"); - } - - return; -} - diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_danube.h b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_danube.h deleted file mode 100755 index 457e11b32..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_danube.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus / Infineon Technologies - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief deu driver module -*/ - -/*! - \file ifxmips_deu_danube.h - \brief board specific driver header file for danube -*/ - -/*! - \defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS - \ingroup IFX_DEU - \brief board specific deu header files -*/ - -#ifndef IFXMIPS_DEU_DANUBE_H -#define IFXMIPS_DEU_DANUBE_H - -#ifdef CONFIG_CRYPTO_DEV_DMA -#define DEU_DWORD_REORDERING(ptr, buffer, in_out, bytes) memory_alignment(ptr, buffer, in_out, bytes) -#define AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) aes_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) -#define DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) des_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) -#define BUFFER_IN 1 -#define BUFFER_OUT 0 -#define DELAY_PERIOD 9 -#define AES_ALGO 1 -#define DES_ALGO 0 -#define FREE_MEMORY(buff) memory_release(buff) -#define ALLOCATE_MEMORY(val, type) type ? aes_memory_allocate(val) : des_memory_allocate(val) -#endif /* CONFIG_CRYPTO_DEV_DMA */ - -#define INPUT_ENDIAN_SWAP(input) input_swap(input) -#define DEU_ENDIAN_SWAP(input) endian_swap(input) -#define AES_DMA_MISC_CONFIG() - -#define WAIT_AES_DMA_READY() \ - do { \ - int i; \ - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \ - volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; \ - for (i = 0; i < 10; i++) \ - udelay(DELAY_PERIOD); \ - while (dma->controlr.BSY) {}; \ - while (aes->controlr.BUS) {}; \ - } while (0) - -#define WAIT_DES_DMA_READY() \ - do { \ - int i; \ - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \ - volatile struct des_t *des = (struct des_t *) DES_3DES_START; \ - for (i = 0; i < 10; i++) \ - udelay(DELAY_PERIOD); \ - while (dma->controlr.BSY) {}; \ - while (des->controlr.BUS) {}; \ - } while (0) - -#define SHA_HASH_INIT \ - do { \ - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; \ - hash->controlr.SM = 1; \ - hash->controlr.ALGO = 0; \ - hash->controlr.INIT = 1; \ - } while(0) - -/* DEU STRUCTURES */ - -struct clc_controlr_t { - u32 Res:26; - u32 FSOE:1; - u32 SBWE:1; - u32 EDIS:1; - u32 SPEN:1; - u32 DISS:1; - u32 DISR:1; - -}; - -struct des_t { - struct des_controlr { - u32 KRE:1; - u32 reserved1:5; - u32 GO:1; - u32 STP:1; - u32 Res2:6; - u32 NDC:1; - u32 ENDI:1; - u32 Res3:2; - u32 F:3; - u32 O:3; - u32 BUS:1; - u32 DAU:1; - u32 ARS:1; - u32 SM:1; - u32 E_D:1; - u32 M:3; - - } controlr; - u32 IHR; - u32 ILR; - u32 K1HR; - u32 K1LR; - u32 K2HR; - u32 K2LR; - u32 K3HR; - u32 K3LR; - u32 IVHR; - u32 IVLR; - u32 OHR; - u32 OLR; -}; - -struct aes_t { - struct aes_controlr { - - u32 KRE:1; - u32 reserved1:4; - u32 PNK:1; - u32 GO:1; - u32 STP:1; - - u32 reserved2:6; - u32 NDC:1; - u32 ENDI:1; - u32 reserved3:2; - - u32 F:3; //fbs - u32 O:3; //om - u32 BUS:1; //bsy - u32 DAU:1; - u32 ARS:1; - u32 SM:1; - u32 E_D:1; - u32 KV:1; - u32 K:2; //KL - - } controlr; - u32 ID3R; //80h - u32 ID2R; //84h - u32 ID1R; //88h - u32 ID0R; //8Ch - u32 K7R; //90h - u32 K6R; //94h - u32 K5R; //98h - u32 K4R; //9Ch - u32 K3R; //A0h - u32 K2R; //A4h - u32 K1R; //A8h - u32 K0R; //ACh - u32 IV3R; //B0h - u32 IV2R; //B4h - u32 IV1R; //B8h - u32 IV0R; //BCh - u32 OD3R; //D4h - u32 OD2R; //D8h - u32 OD1R; //DCh - u32 OD0R; //E0h -}; - -struct deu_hash_t { - struct hash_controlr { - u32 reserved1:5; - u32 KHS:1; - u32 GO:1; - u32 INIT:1; - u32 reserved2:6; - u32 NDC:1; - u32 ENDI:1; - u32 reserved3:7; - u32 DGRY:1; - u32 BSY:1; - u32 reserved4:1; - u32 IRCL:1; - u32 SM:1; - u32 KYUE:1; - u32 HMEN:1; - u32 SSEN:1; - u32 ALGO:1; - - } controlr; - u32 MR; //B4h - u32 D1R; //B8h - u32 D2R; //BCh - u32 D3R; //C0h - u32 D4R; //C4h - u32 D5R; //C8h - - u32 dummy; //CCh - - u32 KIDX; //D0h - u32 KEY; //D4h - u32 DBN; //D8h -}; - -struct deu_dma_t { - struct dma_controlr { - u32 reserved1:22; - u32 BS:2; - u32 BSY:1; - u32 reserved2:1; - u32 ALGO:2; - u32 RXCLS:2; - u32 reserved3:1; - u32 EN:1; - - } controlr; -}; - -#endif /* IFXMIPS_DEU_DANUBE_H */ diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.c deleted file mode 100755 index ebc4af048..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup IFX_API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu_dma.c - \ingroup IFX_DEU - \brief DMA deu driver file -*/ - -/*! - \defgroup IFX_DMA_FUNCTIONS IFX_DMA_FUNCTIONS - \ingroup IFX_DEU - \brief deu-dma driver functions -*/ - -/* Project header files */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <asm/io.h> -#include "ifxmips_deu.h" - -extern _ifx_deu_device ifx_deu[1]; -extern spinlock_t ifx_deu_lock; - -//extern deu_drv_priv_t deu_dma_priv; - -/*! \fn int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) - * \ingroup IFX_DMA_FUNCTIONS - * \brief callback function for deu dma interrupt - * \param dma_dev dma device - * \param status not used -*/ -int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) -{ -#if 0 - int len = 0; - while (len <= 20000) { len++; } - u8 *buf; - int len = 0; - - - deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_dev->priv; - //printk("status:%d \n",status); - switch(status) { - case RCV_INT: - len = dma_device_read(dma_dev, (u8 **)&buf, NULL); - if ( len != deu_priv->deu_rx_len) { - printk(KERN_ERR "%s packet length %d is not equal to expect %d\n", - __func__, len, deu_priv->deu_rx_len); - return -1; - } - memcpy(deu_priv->deu_rx_buf, buf, deu_priv->deu_rx_len); - /* Reset for next usage */ - deu_priv->deu_rx_buf = NULL; - deu_priv->deu_rx_len = 0; - DEU_WAKEUP_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); - break; - case TX_BUF_FULL_INT: - // delay for buffer to be cleared - while (len <= 20000) { len++; } - break; - - case TRANSMIT_CPT_INT: - break; - default: - break; - } -#endif - return 0; -} - -extern u8 *g_dma_block; -extern u8 *g_dma_block2; - -/*! \fn u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) - * \ingroup IFX_DMA_FUNCTIONS - * \brief callback function for allocating buffers for dma receive descriptors - * \param len not used - * \param byte_offset dma byte offset - * \param *opt not used - * -*/ -u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) -{ - u8 *swap = NULL; - - // dma-core needs at least 2 blocks of memory - swap = g_dma_block; - g_dma_block = g_dma_block2; - g_dma_block2 = swap; - - //dma_cache_wback_inv((unsigned long) g_dma_block, (PAGE_SIZE >> 1)); - *byte_offset = 0; - - return g_dma_block; -} - -/*! \fn int deu_dma_buffer_free (u8 * dataptr, void *opt) - * \ingroup IFX_DMA_FUNCTIONS - * \brief callback function for freeing dma transmit descriptors - * \param dataptr data pointer to be freed - * \param opt not used -*/ -int deu_dma_buffer_free (u8 *dataptr, void *opt) -{ -#if 0 - printk("Trying to free memory buffer\n"); - if (dataptr == NULL && opt == NULL) - return 0; - else if (opt == NULL) { - kfree(dataptr); - return 1; - } - else if (dataptr == NULL) { - kfree(opt); - return 1; - } - else { - kfree(opt); - kfree(dataptr); - } -#endif - return 0; -} - diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.h b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.h deleted file mode 100755 index 666009727..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \addtogroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu_dma.h - \ingroup IFX_DEU - \brief DMA deu driver header file -*/ - -#ifndef IFXMIPS_DEU_DMA_H -#define IFXMIPS_DEU_DMA_H - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> - -// must match the size of memory block allocated for g_dma_block and g_dma_block2 -#define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1) - -typedef struct ifx_deu_device { - struct dma_device_info *dma_device; - u8 *dst; - u8 *src; - int len; - int dst_count; - int src_count; - int recv_count; - int packet_size; - int packet_num; - wait_queue_t wait; -} _ifx_deu_device; - -extern _ifx_deu_device ifx_deu[1]; - -extern int deu_dma_intr_handler (struct dma_device_info *, int); -extern u8 *deu_dma_buffer_alloc (int, int *, void **); -extern int deu_dma_buffer_free (u8 *, void *); -extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev); -extern void deu_dma_activate_poll (struct dma_device_info* dma_dev); -extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device); -extern int deu_dma_release(struct dma_device_info** dma_device); - -#endif /* IFMIPS_DEU_DMA_H */ diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_md5.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_md5.c deleted file mode 100755 index cd484ab0d..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_md5.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_md5.c - \ingroup IFX_DEU - \brief MD5 encryption deu driver file -*/ - -/*! - \defgroup IFX_MD5_FUNCTIONS IFX_MD5_FUNCTIONS - \ingroup IFX_DEU - \brief ifx deu MD5 functions -*/ - -/*Project header files */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/crypto.h> -#include <linux/types.h> -#include <asm/byteorder.h> -#include "ifxmips_deu.h" - -#define MD5_DIGEST_SIZE 16 -#define MD5_HMAC_BLOCK_SIZE 64 -#define MD5_BLOCK_WORDS 16 -#define MD5_HASH_WORDS 4 -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -struct md5_ctx { - u32 hash[MD5_HASH_WORDS]; - u32 block[MD5_BLOCK_WORDS]; - u64 byte_count; -}; - -extern int disable_deudma; - -/*! \fn static u32 endian_swap(u32 input) - * \ingroup IFX_MD5_FUNCTIONS - * \brief perform dword level endian swap - * \param input value of dword that requires to be swapped -*/ -static u32 endian_swap(u32 input) -{ - u8 *ptr = (u8 *)&input; - - return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); -} - -/*! \fn static void md5_transform(u32 *hash, u32 const *in) - * \ingroup IFX_MD5_FUNCTIONS - * \brief main interface to md5 hardware - * \param hash current hash value - * \param in 64-byte block of input -*/ -static void md5_transform(u32 *hash, u32 const *in) -{ - int i; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - ulong flag; - - CRTCL_SECT_START; - - for (i = 0; i < 16; i++) { - hashs->MR = endian_swap(in[i]); - }; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - CRTCL_SECT_END; -} - -/*! \fn static inline void md5_transform_helper(struct md5_ctx *ctx) - * \ingroup IFX_MD5_FUNCTIONS - * \brief interfacing function for md5_transform() - * \param ctx crypto context -*/ -static inline void md5_transform_helper(struct md5_ctx *ctx) -{ - //le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); - md5_transform(ctx->hash, ctx->block); -} - -/*! \fn static void md5_init(struct crypto_tfm *tfm) - * \ingroup IFX_MD5_FUNCTIONS - * \brief initialize md5 hardware - * \param tfm linux crypto algo transform -*/ -static void md5_init(struct crypto_tfm *tfm) -{ - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; - - hash->controlr.SM = 1; - hash->controlr.ALGO = 1; // 1 = md5 0 = sha1 - hash->controlr.INIT = 1; // Initialize the hash operation by writing a '1' to the INIT bit. - - mctx->byte_count = 0; -} - -/*! \fn static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_MD5_FUNCTIONS - * \brief on-the-fly md5 computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) -{ - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); - const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); - - mctx->byte_count += len; - - if (avail > len) { - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, len); - return; - } - - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, avail); - - md5_transform_helper(mctx); - data += avail; - len -= avail; - - while (len >= sizeof(mctx->block)) { - memcpy(mctx->block, data, sizeof(mctx->block)); - md5_transform_helper(mctx); - data += sizeof(mctx->block); - len -= sizeof(mctx->block); - } - - memcpy(mctx->block, data, len); -} - -/*! \fn static void md5_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_MD5_FUNCTIONS - * \brief compute final md5 value - * \param tfm linux crypto algo transform - * \param out final md5 output value -*/ -static void md5_final(struct crypto_tfm *tfm, u8 *out) -{ - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); - const unsigned int offset = mctx->byte_count & 0x3f; - char *p = (char *)mctx->block + offset; - int padding = 56 - (offset + 1); - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - u32 flag; - - *p++ = 0x80; - if (padding < 0) { - memset(p, 0x00, padding + sizeof (u64)); - md5_transform_helper(mctx); - p = (char *)mctx->block; - padding = 56; - } - - memset(p, 0, padding); - mctx->block[14] = endian_swap(mctx->byte_count << 3); - mctx->block[15] = endian_swap(mctx->byte_count >> 29); - -#if 0 - le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - - sizeof(u64)) / sizeof(u32)); -#endif - - md5_transform(mctx->hash, mctx->block); - - CRTCL_SECT_START; - - *((u32 *) out + 0) = endian_swap (hashs->D1R); - *((u32 *) out + 1) = endian_swap (hashs->D2R); - *((u32 *) out + 2) = endian_swap (hashs->D3R); - *((u32 *) out + 3) = endian_swap (hashs->D4R); - - CRTCL_SECT_END; - - // Wipe context - memset(mctx, 0, sizeof(*mctx)); -} - -/* - * \brief MD5 function mappings -*/ -static struct crypto_alg ifxdeu_md5_alg = { - .cra_name = "md5", - .cra_driver_name = "ifxdeu-md5", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct md5_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_md5_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = MD5_DIGEST_SIZE, - .dia_init = md5_init, - .dia_update = md5_update, - .dia_final = md5_final } } -}; - -/*! \fn int __init ifxdeu_init_md5 (void) - * \ingroup IFX_MD5_FUNCTIONS - * \brief initialize md5 driver -*/ -int __init ifxdeu_init_md5 (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_md5_alg))) - goto md5_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU MD5 initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -md5_err: - printk(KERN_ERR "IFX DEU MD5 initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_md5 (void) - * \ingroup IFX_MD5_FUNCTIONS - * \brief unregister md5 driver -*/ - -void __exit ifxdeu_fini_md5 (void) -{ - crypto_unregister_alg (&ifxdeu_md5_alg); -} - diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_md5_hmac.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_md5_hmac.c deleted file mode 100755 index fcd118e31..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_md5_hmac.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_md5_hmac.c - \ingroup IFX_DEU - \brief MD5-HMAC encryption deu driver file -*/ - -/*! - \defgroup IFX_MD5_HMAC_FUNCTIONS IFX_MD5_HMAC_FUNCTIONS - \ingroup IFX_DEU - \brief ifx md5-hmac driver functions -*/ - -/* Project Header files */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/crypto.h> -#include <linux/types.h> -#include <asm/byteorder.h> -#include "ifxmips_deu.h" - -#define MD5_DIGEST_SIZE 16 -#define MD5_HMAC_BLOCK_SIZE 64 -#define MD5_BLOCK_WORDS 16 -#define MD5_HASH_WORDS 4 -#define MD5_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -struct md5_hmac_ctx { - u32 hash[MD5_HASH_WORDS]; - u32 block[MD5_BLOCK_WORDS]; - u64 byte_count; - u32 dbn; - u32 temp[MD5_HMAC_DBN_TEMP_SIZE]; -}; - -extern int disable_deudma; - -/*! \fn static u32 endian_swap(u32 input) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief perform dword level endian swap - * \param input value of dword that requires to be swapped -*/ -static u32 endian_swap(u32 input) -{ - u8 *ptr = (u8 *)&input; - - return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); -} - -/*! \fn static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief save input block to context - * \param tfm linux crypto algo transform - * \param in 64-byte block of input -*/ -static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - - memcpy(&mctx->temp[mctx->dbn<<4], in, 64); //dbn workaround - mctx->dbn += 1; - - if ( (mctx->dbn<<4) > MD5_HMAC_DBN_TEMP_SIZE ) - { - printk("MD5_HMAC_DBN_TEMP_SIZE exceeded\n"); - } - -} - -/*! \fn int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief sets md5 hmac key - * \param tfm linux crypto algo transform - * \param key input key - * \param keylen key length greater than 64 bytes IS NOT SUPPORTED -*/ -int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) -{ - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; - int i, j; - u32 *in_key = (u32 *)key; - - hash->KIDX = 0x80000000; // reset all 16 words of the key to '0' - asm("sync"); - - j = 0; - for (i = 0; i < keylen; i+=4) - { - hash->KIDX = j; - asm("sync"); - hash->KEY = *((u32 *) in_key + j); - j++; - } - - return 0; -} - -/*! \fn void md5_hmac_init(struct crypto_tfm *tfm) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief initialize md5 hmac context - * \param tfm linux crypto algo transform -*/ -void md5_hmac_init(struct crypto_tfm *tfm) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - - memset(mctx, 0, sizeof(struct md5_hmac_ctx)); - mctx->dbn = 0; //dbn workaround -} - -/*! \fn void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief on-the-fly md5 hmac computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); - - mctx->byte_count += len; - - if (avail > len) { - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, len); - return; - } - - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, avail); - - md5_hmac_transform(tfm, mctx->block); - data += avail; - len -= avail; - - while (len >= sizeof(mctx->block)) { - memcpy(mctx->block, data, sizeof(mctx->block)); - md5_hmac_transform(tfm, mctx->block); - data += sizeof(mctx->block); - len -= sizeof(mctx->block); - } - - memcpy(mctx->block, data, len); - -} - -/*! \fn void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief compute final md5 hmac value - * \param tfm linux crypto algo transform - * \param out final md5 hmac output value -*/ -void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - const unsigned int offset = mctx->byte_count & 0x3f; - char *p = (char *)mctx->block + offset; - int padding = 56 - (offset + 1); - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - u32 flag; - int i = 0; - int dbn; - u32 *in = &mctx->temp[0]; - - *p++ = 0x80; - if (padding < 0) { - memset(p, 0x00, padding + sizeof (u64)); - md5_hmac_transform(tfm, mctx->block); - p = (char *)mctx->block; - padding = 56; - } - - memset(p, 0, padding); - mctx->block[14] = endian_swap((mctx->byte_count + 64) << 3); // need to add 512 bit of the IPAD operation - mctx->block[15] = 0x00000000; - - md5_hmac_transform(tfm, mctx->block); - - CRTCL_SECT_START; - - printk("dbn = %d\n", mctx->dbn); - hashs->DBN = mctx->dbn; - - *IFX_HASH_CON = 0x0703002D; //khs, go, init, ndc, endi, kyue, hmen, md5 - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - -for (dbn = 0; dbn < mctx->dbn; dbn++) -{ - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - hashs->controlr.GO = 1; - asm("sync"); - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - in += 16; -} - - -#if 1 - //wait for digest ready - while (! hashs->controlr.DGRY) { - // this will not take long - } -#endif - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; -} - -/* - * \brief MD5_HMAC function mappings -*/ - -static struct crypto_alg ifxdeu_md5_hmac_alg = { - .cra_name = "hmac(md5)", - .cra_driver_name = "ifxdeu-md5_hmac", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct md5_hmac_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_md5_hmac_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = MD5_DIGEST_SIZE, - .dia_setkey = md5_hmac_setkey, - .dia_init = md5_hmac_init, - .dia_update = md5_hmac_update, - .dia_final = md5_hmac_final } } -}; - -/*! \fn int __init ifxdeu_init_md5_hmac (void) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief initialize md5 hmac driver -*/ -int __init ifxdeu_init_md5_hmac (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_md5_hmac_alg))) - goto md5_hmac_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU MD5_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -md5_hmac_err: - printk(KERN_ERR "IFX DEU MD5_HMAC initialization failed!\n"); - return ret; -} - -/** \fn void __exit ifxdeu_fini_md5_hmac (void) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief unregister md5 hmac driver -*/ -void __exit ifxdeu_fini_md5_hmac (void) -{ - crypto_unregister_alg (&ifxdeu_md5_hmac_alg); -} - diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_sha1.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_sha1.c deleted file mode 100755 index 0802e2ccc..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_sha1.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_sha1.c - \ingroup IFX_DEU - \brief SHA1 encryption deu driver file -*/ - -/*! - \defgroup IFX_SHA1_FUNCTIONS IFX_SHA1_FUNCTIONS - \ingroup IFX_DEU - \brief ifx deu sha1 functions -*/ - - -/* Project header */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <linux/cryptohash.h> -#include <linux/types.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> -#include "ifxmips_deu.h" - -#define SHA1_DIGEST_SIZE 20 -#define SHA1_HMAC_BLOCK_SIZE 64 -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -/* - * \brief SHA1 private structure -*/ -struct sha1_ctx { - u64 count; - u32 state[5]; - u8 buffer[64]; -}; - -extern int disable_deudma; - - -/*! \fn static void sha1_transform (u32 *state, const u32 *in) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief main interface to sha1 hardware - * \param state current state - * \param in 64-byte block of input -*/ -static void sha1_transform (u32 *state, const u32 *in) -{ - int i = 0; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - u32 flag; - - CRTCL_SECT_START; - - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - CRTCL_SECT_END; -} - -/*! \fn static void sha1_init(struct crypto_tfm *tfm) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief initialize sha1 hardware - * \param tfm linux crypto algo transform -*/ -static void sha1_init(struct crypto_tfm *tfm) -{ - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); - - SHA_HASH_INIT; - - sctx->count = 0; -} - -/*! \fn static void sha1_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief on-the-fly sha1 computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static void sha1_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) -{ - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); - unsigned int i, j; - - j = (sctx->count >> 3) & 0x3f; - sctx->count += len << 3; - - if ((j + len) > 63) { - memcpy (&sctx->buffer[j], data, (i = 64 - j)); - sha1_transform (sctx->state, (const u32 *)sctx->buffer); - for (; i + 63 < len; i += 64) { - sha1_transform (sctx->state, (const u32 *)&data[i]); - } - - j = 0; - } - else - i = 0; - - memcpy (&sctx->buffer[j], &data[i], len - i); -} - -/*! \fn static void sha1_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief compute final sha1 value - * \param tfm linux crypto algo transform - * \param out final md5 output value -*/ -static void sha1_final(struct crypto_tfm *tfm, u8 *out) -{ - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); - u32 index, padlen; - u64 t; - u8 bits[8] = { 0, }; - static const u8 padding[64] = { 0x80, }; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - ulong flag; - - t = sctx->count; - bits[7] = 0xff & t; - t >>= 8; - bits[6] = 0xff & t; - t >>= 8; - bits[5] = 0xff & t; - t >>= 8; - bits[4] = 0xff & t; - t >>= 8; - bits[3] = 0xff & t; - t >>= 8; - bits[2] = 0xff & t; - t >>= 8; - bits[1] = 0xff & t; - t >>= 8; - bits[0] = 0xff & t; - - /* Pad out to 56 mod 64 */ - index = (sctx->count >> 3) & 0x3f; - padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); - sha1_update (tfm, padding, padlen); - - /* Append length */ - sha1_update (tfm, bits, sizeof bits); - - CRTCL_SECT_START; - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; - - // Wipe context - memset (sctx, 0, sizeof *sctx); -} - -/* - * \brief SHA1 function mappings -*/ -struct crypto_alg ifxdeu_sha1_alg = { - .cra_name = "sha1", - .cra_driver_name= "ifxdeu-sha1", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct sha1_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_sha1_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = SHA1_DIGEST_SIZE, - .dia_init = sha1_init, - .dia_update = sha1_update, - .dia_final = sha1_final } } -}; - -/*! \fn int __init ifxdeu_init_sha1 (void) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief initialize sha1 driver -*/ -int __init ifxdeu_init_sha1 (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_sha1_alg))) - goto sha1_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU SHA1 initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -sha1_err: - printk(KERN_ERR "IFX DEU SHA1 initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_sha1 (void) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief unregister sha1 driver -*/ -void __exit ifxdeu_fini_sha1 (void) -{ - crypto_unregister_alg (&ifxdeu_sha1_alg); -} diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c deleted file mode 100755 index 59f0854c5..000000000 --- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_sha1_hmac.c - \ingroup IFX_DEU - \brief SHA1-HMAC deu driver file -*/ - -/*! - \defgroup IFX_SHA1_HMAC_FUNCTIONS IFX_SHA1_HMAC_FUNCTIONS - \ingroup IFX_DEU - \brief ifx sha1 hmac functions -*/ - - -/* Project header */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <linux/cryptohash.h> -#include <linux/types.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> -#include <linux/delay.h> -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC - -#define SHA1_DIGEST_SIZE 20 -#define SHA1_HMAC_BLOCK_SIZE 64 -#define SHA1_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -struct sha1_hmac_ctx { - u64 count; - u32 state[5]; - u8 buffer[64]; - u32 dbn; - u32 temp[SHA1_HMAC_DBN_TEMP_SIZE]; -}; - -extern int disable_deudma; - -/*! \fn static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief save input block to context - * \param tfm linux crypto algo transform - * \param in 64-byte block of input -*/ -static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - - memcpy(&sctx->temp[sctx->dbn<<4], in, 64); //dbn workaround - sctx->dbn += 1; - - if ( (sctx->dbn<<4) > SHA1_HMAC_DBN_TEMP_SIZE ) - { - printk("SHA1_HMAC_DBN_TEMP_SIZE exceeded\n"); - } - -} - -/*! \fn int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief sets sha1 hmac key - * \param tfm linux crypto algo transform - * \param key input key - * \param keylen key length greater than 64 bytes IS NOT SUPPORTED -*/ -int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) -{ - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; - int i, j; - u32 *in_key = (u32 *)key; - - hash->KIDX = 0x80000000; // reset all 16 words of the key to '0' - asm("sync"); - - j = 0; - for (i = 0; i < keylen; i+=4) - { - hash->KIDX = j; - asm("sync"); - hash->KEY = *((u32 *) in_key + j); - j++; - } - - return 0; -} - -/*! \fn void sha1_hmac_init(struct crypto_tfm *tfm) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief initialize sha1 hmac context - * \param tfm linux crypto algo transform -*/ -void sha1_hmac_init(struct crypto_tfm *tfm) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - - memset(sctx, 0, sizeof(struct sha1_hmac_ctx)); - sctx->dbn = 0; //dbn workaround -} - -/*! \fn static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief on-the-fly sha1 hmac computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - unsigned int i, j; - - j = (sctx->count >> 3) & 0x3f; - sctx->count += len << 3; - //printk("sctx->count = %d\n", (sctx->count >> 3)); - - if ((j + len) > 63) { - memcpy (&sctx->buffer[j], data, (i = 64 - j)); - sha1_hmac_transform (tfm, (const u32 *)sctx->buffer); - for (; i + 63 < len; i += 64) { - sha1_hmac_transform (tfm, (const u32 *)&data[i]); - } - - j = 0; - } - else - i = 0; - - memcpy (&sctx->buffer[j], &data[i], len - i); -} - -/*! \fn static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief ompute final sha1 hmac value - * \param tfm linux crypto algo transform - * \param out final sha1 hmac output value -*/ -static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - u32 index, padlen; - u64 t; - u8 bits[8] = { 0, }; - static const u8 padding[64] = { 0x80, }; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - ulong flag; - int i = 0; - int dbn; - u32 *in = &sctx->temp[0]; - - t = sctx->count + 512; // need to add 512 bit of the IPAD operation - bits[7] = 0xff & t; - t >>= 8; - bits[6] = 0xff & t; - t >>= 8; - bits[5] = 0xff & t; - t >>= 8; - bits[4] = 0xff & t; - t >>= 8; - bits[3] = 0xff & t; - t >>= 8; - bits[2] = 0xff & t; - t >>= 8; - bits[1] = 0xff & t; - t >>= 8; - bits[0] = 0xff & t; - - /* Pad out to 56 mod 64 */ - index = (sctx->count >> 3) & 0x3f; - padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); - sha1_hmac_update (tfm, padding, padlen); - - /* Append length */ - sha1_hmac_update (tfm, bits, sizeof bits); - - CRTCL_SECT_START; - - hashs->DBN = sctx->dbn; - - //for vr9 change, ENDI = 1 - *IFX_HASH_CON = HASH_CON_VALUE; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - for (dbn = 0; dbn < sctx->dbn; dbn++) - { - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - hashs->controlr.GO = 1; - asm("sync"); - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - in += 16; -} - - -#if 1 - //wait for digest ready - while (! hashs->controlr.DGRY) { - // this will not take long - } -#endif - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; -} - -/* - * \brief SHA1-HMAC function mappings -*/ - -struct crypto_alg ifxdeu_sha1_hmac_alg = { - .cra_name = "hmac(sha1)", - .cra_driver_name= "ifxdeu-sha1_hmac", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct sha1_hmac_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_sha1_hmac_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = SHA1_DIGEST_SIZE, - .dia_setkey = sha1_hmac_setkey, - .dia_init = sha1_hmac_init, - .dia_update = sha1_hmac_update, - .dia_final = sha1_hmac_final } } -}; - - -/*! \fn int __init ifxdeu_init_sha1_hmac (void) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief initialize sha1 hmac driver -*/ -int __init ifxdeu_init_sha1_hmac (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_sha1_hmac_alg))) - goto sha1_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU SHA1_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -sha1_err: - printk(KERN_ERR "IFX DEU SHA1_HMAC initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_sha1_hmac (void) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief unregister sha1 hmac driver -*/ -void __exit ifxdeu_fini_sha1_hmac (void) -{ - crypto_unregister_alg (&ifxdeu_sha1_hmac_alg); -} - -#endif diff --git a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c deleted file mode 100644 index 0716f3d77..000000000 --- a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2006 infineon - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - * - */ - -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/version.h> -#include <linux/types.h> -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/uaccess.h> -#include <linux/unistd.h> -#include <linux/errno.h> -#include <linux/leds.h> -#include <linux/delay.h> - -#include <ifxmips.h> -#include <ifxmips_gpio.h> -#include <ifxmips_pmu.h> - -#define DRVNAME "ifxmips_led" - -/* might need to be changed depending on shift register used on the pcb */ -#if 1 -#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING -#else -#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING -#endif - -#define IFXMIPS_LED_SPEED IFXMIPS_LED_8HZ - -#define IFXMIPS_LED_GPIO_PORT 0 - -#define IFXMIPS_MAX_LED 24 - -struct ifxmips_led { - struct led_classdev cdev; - u8 bit; -}; - -void ifxmips_led_set(unsigned int led) -{ - led &= 0xffffff; - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0); -} -EXPORT_SYMBOL(ifxmips_led_set); - -void ifxmips_led_clear(unsigned int led) -{ - led = ~(led & 0xffffff); - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0); -} -EXPORT_SYMBOL(ifxmips_led_clear); - -void ifxmips_led_blink_set(unsigned int led) -{ - led &= 0xffffff; - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0); -} -EXPORT_SYMBOL(ifxmips_led_blink_set); - -void ifxmips_led_blink_clear(unsigned int led) -{ - led = ~(led & 0xffffff); - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0); -} -EXPORT_SYMBOL(ifxmips_led_blink_clear); - -static void ifxmips_ledapi_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct ifxmips_led *led_dev = - container_of(led_cdev, struct ifxmips_led, cdev); - - if (value) - ifxmips_led_set(1 << led_dev->bit); - else - ifxmips_led_clear(1 << led_dev->bit); -} - -void ifxmips_led_setup_gpio(void) -{ - int i = 0; - - /* leds are controlled via a shift register - we need to setup pins SH,D,ST (4,5,6) to make it work */ - for (i = 4; i < 7; i++) { - ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i); - ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i); - ifxmips_port_set_dir_out(IFXMIPS_LED_GPIO_PORT, i); - ifxmips_port_set_open_drain(IFXMIPS_LED_GPIO_PORT, i); - } -} - -static int ifxmips_led_probe(struct platform_device *dev) -{ - int i = 0; - - ifxmips_led_setup_gpio(); - - ifxmips_w32(0, IFXMIPS_LED_AR); - ifxmips_w32(0, IFXMIPS_LED_CPU0); - ifxmips_w32(0, IFXMIPS_LED_CPU1); - ifxmips_w32(LED_CON0_SWU, IFXMIPS_LED_CON0); - ifxmips_w32(0, IFXMIPS_LED_CON1); - - /* setup the clock edge that the shift register is triggered on */ - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK, - IFXMIPS_LED_CON0); - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE, - IFXMIPS_LED_CON0); - - /* per default leds 15-0 are set */ - ifxmips_w32(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1); - - /* leds are update periodically by the FPID */ - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK, - IFXMIPS_LED_CON1); - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI, - IFXMIPS_LED_CON1); - - /* set led update speed */ - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK, - IFXMIPS_LED_CON1); - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED, - IFXMIPS_LED_CON1); - - /* adsl 0 and 1 leds are updated by the arc */ - ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC, - IFXMIPS_LED_CON0); - - /* per default, the leds are turned on */ - ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED); - - for (i = 0; i < IFXMIPS_MAX_LED; i++) { - struct ifxmips_led *tmp = - kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL); - tmp->cdev.brightness_set = ifxmips_ledapi_set; - tmp->cdev.name = kmalloc(sizeof("ifxmips:led:00"), GFP_KERNEL); - sprintf((char *)tmp->cdev.name, "ifxmips:led:%02d", i); - tmp->cdev.default_trigger = NULL; - tmp->bit = i; - led_classdev_register(&dev->dev, &tmp->cdev); - } - - return 0; -} - -static int ifxmips_led_remove(struct platform_device *pdev) -{ - return 0; -} - -static struct platform_driver ifxmips_led_driver = { - .probe = ifxmips_led_probe, - .remove = ifxmips_led_remove, - .driver = { - .name = DRVNAME, - .owner = THIS_MODULE, - }, -}; - -int __init ifxmips_led_init(void) -{ - int ret = platform_driver_register(&ifxmips_led_driver); - if (ret) - printk(KERN_INFO - "ifxmips_led: Error registering platfom driver!"); - - return ret; -} - -void __exit ifxmips_led_exit(void) -{ - platform_driver_unregister(&ifxmips_led_driver); -} - -module_init(ifxmips_led_init); -module_exit(ifxmips_led_exit); diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c deleted file mode 100644 index 376fd0b2f..000000000 --- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * 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 - * - * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE - * Copyright (C) 2008 John Crispin <blogic@openwrt.org> - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/init.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/cfi.h> -#include <linux/magic.h> -#include <linux/platform_device.h> - -#include <ifxmips.h> -#include <ifxmips_prom.h> -#include <ifxmips_ebu.h> - -#ifndef CONFIG_MTD_PARTITIONS -#error Please enable CONFIG_MTD_PARTITIONS -#endif - -static struct map_info ifxmips_map = { - .name = "ifx-nor", - .bankwidth = 2, - .size = 0x400000, -}; - -static map_word ifxmips_read16(struct map_info *map, unsigned long adr) -{ - unsigned long flags; - map_word temp; - spin_lock_irqsave(&ebu_lock, flags); - adr ^= 2; - temp.x[0] = *((__u16 *)(map->virt + adr)); - spin_unlock_irqrestore(&ebu_lock, flags); - return temp; -} - -static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr) -{ - unsigned long flags; - spin_lock_irqsave(&ebu_lock, flags); - adr ^= 2; - *((__u16 *)(map->virt + adr)) = d.x[0]; - spin_unlock_irqrestore(&ebu_lock, flags); -} - -void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) -{ - unsigned char *p; - unsigned char *to_8; - unsigned long flags; - spin_lock_irqsave(&ebu_lock, flags); - from = (unsigned long)(from + map->virt); - p = (unsigned char *) from; - to_8 = (unsigned char *) to; - while (len--) - *to_8++ = *p++; - spin_unlock_irqrestore(&ebu_lock, flags); -} - -void ifxmips_copy_to(struct map_info *map, - unsigned long to, - const void *from, - ssize_t len) -{ - unsigned char *p = (unsigned char *)from; - unsigned char *to_8; - unsigned long flags; - spin_lock_irqsave(&ebu_lock, flags); - to += (unsigned long) map->virt; - to_8 = (unsigned char *)to; - while (len--) - *p++ = *to_8++; - spin_unlock_irqrestore(&ebu_lock, flags); -} - -static struct mtd_partition ifxmips_partitions[] = { - { - .name = "uboot", - .offset = 0x00000000, - .size = 0x00020000, - }, - { - .name = "uboot_env", - .offset = 0x00020000, - .size = 0x0, - }, - { - .name = "kernel", - .offset = 0x0, - .size = 0x0, - }, - { - .name = "rootfs", - .offset = 0x0, - .size = 0x0, - }, - { - .name = "board_config", - .offset = 0x0, - .size = 0x0, - }, -}; - -static struct mtd_partition ifxmips_meta_partition = { - .name = "linux", - .offset = 0x00030000, - .size = 0x0, -}; - -static const char *part_probe_types[] = { "cmdlinepart", NULL }; - -int find_uImage_size(unsigned long start_offset) -{ - unsigned long magic; - unsigned long temp; - ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4); - if (le32_to_cpu(magic) != 0x56190527) { - printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", le32_to_cpu(magic), start_offset); - return 0; - } - ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4); - printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40); - return temp + 0x40; -} - -int find_brn_block(unsigned long start_offset) -{ - unsigned char temp[9]; - ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8); - temp[8] = '\0'; - printk(KERN_INFO "data in brn block %s\n", temp); - if (memcmp(temp, "BRN-BOOT", 8) == 0) - return 1; - else - return 0; -} - -int detect_squashfs_partition(unsigned long start_offset) -{ - unsigned long temp; - ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4); - return le32_to_cpu(temp) == SQUASHFS_MAGIC; -} - -static int ifxmips_mtd_probe(struct platform_device *dev) -{ - struct mtd_info *ifxmips_mtd = NULL; - struct mtd_partition *parts = NULL; - unsigned long uimage_size; - int err, i; - int kernel_part = 2, rootfs_part = 3; - int num_parts = ARRAY_SIZE(ifxmips_partitions); - - ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0); - - ifxmips_map.read = ifxmips_read16; - ifxmips_map.write = ifxmips_write16; - ifxmips_map.copy_from = ifxmips_copy_from; - ifxmips_map.copy_to = ifxmips_copy_to; - ifxmips_map.phys = dev->resource->start; - ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1; - ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size); - - if (!ifxmips_map.virt) { - printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n"); - return -EIO; - } - - ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map); - if (!ifxmips_mtd) { - iounmap(ifxmips_map.virt); - printk(KERN_WARNING "ifxmips_mtd: probing failed\n"); - return -ENXIO; - } - - ifxmips_mtd->owner = THIS_MODULE; - - err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0); - if (err > 0) { - printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err); - num_parts = err; - kernel_part = 0; - rootfs_part = 0; - for (i = 0; i < num_parts; i++) { - if (strcmp(parts[i].name, "kernel") == 0) - kernel_part = i; - if (strcmp(parts[i].name, "rootfs") == 0) - rootfs_part = i; - } - } else { - /* if the flash is 64k sectors, the kernel will reside at 0xb0030000 - if the flash is 128k sectors, the kernel will reside at 0xb0040000 */ - ifxmips_partitions[1].size = ifxmips_mtd->erasesize; - ifxmips_partitions[2].offset = ifxmips_partitions[1].offset + ifxmips_mtd->erasesize; - parts = &ifxmips_partitions[0]; - } - - /* dynamic size detection only if rootfs-part follows kernel-part */ - if (kernel_part+1 == rootfs_part) { - uimage_size = find_uImage_size(parts[kernel_part].offset); - - if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) { - printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n"); - } else { - uimage_size &= ~(ifxmips_mtd->erasesize -1); - uimage_size += ifxmips_mtd->erasesize; - } - - parts[kernel_part].size = uimage_size; - parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size; - parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset; - - ifxmips_meta_partition.offset = parts[kernel_part].offset; - ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size; - } - - if (err <= 0) { - if (ifxmips_has_brn_block()) { - parts[3].size -= ifxmips_mtd->erasesize; - parts[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize; - parts[4].size = ifxmips_mtd->erasesize; - ifxmips_meta_partition.size -= ifxmips_mtd->erasesize; - } else { - num_parts--; - } - } - - add_mtd_partitions(ifxmips_mtd, parts, num_parts); - add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1); - - printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n", - ifxmips_map.name, ((int)ifxmips_mtd->size) >> 20); - return 0; -} - -static struct platform_driver ifxmips_mtd_driver = { - .probe = ifxmips_mtd_probe, - .driver = { - .name = "ifxmips_mtd", - .owner = THIS_MODULE, - }, -}; - -int __init init_ifxmips_mtd(void) -{ - int ret = platform_driver_register(&ifxmips_mtd_driver); - if (ret) - printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!"); - return ret; -} - -static void __exit cleanup_ifxmips_mtd(void) -{ - platform_driver_unregister(&ifxmips_mtd_driver); -} - -module_init(init_ifxmips_mtd); -module_exit(cleanup_ifxmips_mtd); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("MTD map driver for IFXMIPS boards"); diff --git a/target/linux/ifxmips/files/drivers/net/ifxmips.c b/target/linux/ifxmips/files/drivers/net/ifxmips.c deleted file mode 100644 index 4c618352d..000000000 --- a/target/linux/ifxmips/files/drivers/net/ifxmips.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * 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. - * - * Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com> - * Copyright (C) 2008 John Crispin <blogic@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/uaccess.h> -#include <linux/in.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/phy.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/skbuff.h> -#include <linux/mm.h> -#include <linux/platform_device.h> -#include <linux/ethtool.h> -#include <linux/init.h> -#include <linux/delay.h> - -#include <asm/checksum.h> - -#include <ifxmips.h> -#include <ifxmips_dma.h> -#include <ifxmips_pmu.h> -#include <ifxmips_platform.h> - -struct ifxmips_mii_priv { - struct net_device_stats stats; - struct dma_device_info *dma_device; - struct sk_buff *skb; - - struct mii_bus *mii_bus; - struct phy_device *phydev; - int oldlink, oldspeed, oldduplex; -}; - -static struct net_device *ifxmips_mii0_dev; -static unsigned char mac_addr[MAX_ADDR_LEN]; - -static int ifxmips_mdiobus_write(struct mii_bus *bus, int phy_addr, - int phy_reg, u16 phy_data) -{ - u32 val = MDIO_ACC_REQUEST | - ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) | - ((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET) | - phy_data; - - while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) - ; - ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC); - - return 0; -} - -static int ifxmips_mdiobus_read(struct mii_bus *bus, int phy_addr, int phy_reg) -{ - u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ | - ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) | - ((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET); - - while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) - ; - ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC); - while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) - ; - val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK; - return val; -} - -int ifxmips_ifxmips_mii_open(struct net_device *dev) -{ - struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); - struct dma_device_info *dma_dev = priv->dma_device; - int i; - - for (i = 0; i < dma_dev->max_rx_chan_num; i++) { - if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON) - (dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]); - } - netif_start_queue(dev); - return 0; -} - -int ifxmips_mii_release(struct net_device *dev) -{ - struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); - struct dma_device_info *dma_dev = priv->dma_device; - int i; - - for (i = 0; i < dma_dev->max_rx_chan_num; i++) - dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]); - netif_stop_queue(dev); - return 0; -} - -int ifxmips_mii_hw_receive(struct net_device *dev, struct dma_device_info *dma_dev) -{ - struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); - unsigned char *buf = NULL; - struct sk_buff *skb = NULL; - int len = 0; - - len = dma_device_read(dma_dev, &buf, (void **)&skb); - - if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE) { - printk(KERN_INFO "ifxmips_mii0: packet too large %d\n", len); - goto ifxmips_mii_hw_receive_err_exit; - } - - /* remove CRC */ - len -= 4; - if (skb == NULL) { - printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n"); - goto ifxmips_mii_hw_receive_err_exit; - } - - if (len > (skb->end - skb->tail)) { - printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n", - (len+4), skb->end, skb->tail); - goto ifxmips_mii_hw_receive_err_exit; - } - - skb_put(skb, len); - skb->dev = dev; - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - - priv->stats.rx_packets++; - priv->stats.rx_bytes += len; - return 0; - -ifxmips_mii_hw_receive_err_exit: - if (len == 0) { - if (skb) - dev_kfree_skb_any(skb); - priv->stats.rx_errors++; - priv->stats.rx_dropped++; - return -EIO; - } else { - return len; - } -} - -int ifxmips_mii_hw_tx(char *buf, int len, struct net_device *dev) -{ - int ret = 0; - struct ifxmips_mii_priv *priv = netdev_priv(dev); - struct dma_device_info *dma_dev = priv->dma_device; - ret = dma_device_write(dma_dev, buf, len, priv->skb); - return ret; -} - -int ifxmips_mii_tx(struct sk_buff *skb, struct net_device *dev) -{ - int len; - char *data; - struct ifxmips_mii_priv *priv = netdev_priv(dev); - struct dma_device_info *dma_dev = priv->dma_device; - - len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; - data = skb->data; - priv->skb = skb; - dev->trans_start = jiffies; - /* TODO: we got more than 1 dma channel, - so we should do something intelligent here to select one */ - dma_dev->current_tx_chan = 0; - - wmb(); - - if (ifxmips_mii_hw_tx(data, len, dev) != len) { - dev_kfree_skb_any(skb); - priv->stats.tx_errors++; - priv->stats.tx_dropped++; - } else { - priv->stats.tx_packets++; - priv->stats.tx_bytes += len; - } - - return 0; -} - -void ifxmips_mii_tx_timeout(struct net_device *dev) -{ - int i; - struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); - - priv->stats.tx_errors++; - for (i = 0; i < priv->dma_device->max_tx_chan_num; i++) - priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]); - netif_wake_queue(dev); - return; -} - -int dma_intr_handler(struct dma_device_info *dma_dev, int status) -{ - int i; - - switch (status) { - case RCV_INT: - ifxmips_mii_hw_receive(ifxmips_mii0_dev, dma_dev); - break; - - case TX_BUF_FULL_INT: - printk(KERN_INFO "ifxmips_mii0: tx buffer full\n"); - netif_stop_queue(ifxmips_mii0_dev); - for (i = 0; i < dma_dev->max_tx_chan_num; i++) { - if ((dma_dev->tx_chan[i])->control == IFXMIPS_DMA_CH_ON) - dma_dev->tx_chan[i]->enable_irq(dma_dev->tx_chan[i]); - } - break; - - case TRANSMIT_CPT_INT: - for (i = 0; i < dma_dev->max_tx_chan_num; i++) - dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]); - - netif_wake_queue(ifxmips_mii0_dev); - break; - } - - return 0; -} - -unsigned char *ifxmips_etop_dma_buffer_alloc(int len, int *byte_offset, void **opt) -{ - unsigned char *buffer = NULL; - struct sk_buff *skb = NULL; - - skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE); - if (skb == NULL) - return NULL; - - buffer = (unsigned char *)(skb->data); - skb_reserve(skb, 2); - *(int *)opt = (int)skb; - *byte_offset = 2; - - return buffer; -} - -void ifxmips_etop_dma_buffer_free(unsigned char *dataptr, void *opt) -{ - struct sk_buff *skb = NULL; - - if (opt == NULL) { - kfree(dataptr); - } else { - skb = (struct sk_buff *)opt; - dev_kfree_skb_any(skb); - } -} - -static void -ifxmips_adjust_link(struct net_device *dev) -{ - struct ifxmips_mii_priv *priv = netdev_priv(dev); - struct phy_device *phydev = priv->phydev; - int new_state = 0; - - /* Did anything change? */ - if (priv->oldlink != phydev->link || - priv->oldduplex != phydev->duplex || - priv->oldspeed != phydev->speed) { - /* Yes, so update status and mark as changed */ - new_state = 1; - priv->oldduplex = phydev->duplex; - priv->oldspeed = phydev->speed; - priv->oldlink = phydev->link; - } - - /* If link status changed, show new status */ - if (new_state) - phy_print_status(phydev); -} - -static int mii_probe(struct net_device *dev) -{ - struct ifxmips_mii_priv *priv = netdev_priv(dev); - struct phy_device *phydev = NULL; - int phy_addr; - - priv->oldlink = 0; - priv->oldspeed = 0; - priv->oldduplex = -1; - - /* find the first (lowest address) PHY on the current MAC's MII bus */ - for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { - if (priv->mii_bus->phy_map[phy_addr]) { - phydev = priv->mii_bus->phy_map[phy_addr]; - break; /* break out with first one found */ - } - } - - if (!phydev) { - printk (KERN_ERR "%s: no PHY found\n", dev->name); - return -ENODEV; - } - - /* now we are supposed to have a proper phydev, to attach to... */ - BUG_ON(!phydev); - BUG_ON(phydev->attached_dev); - - phydev = phy_connect(dev, dev_name(&phydev->dev), &ifxmips_adjust_link, - 0, PHY_INTERFACE_MODE_MII); - - if (IS_ERR(phydev)) { - printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); - return PTR_ERR(phydev); - } - - /* mask with MAC supported features */ - phydev->supported &= (SUPPORTED_10baseT_Half - | SUPPORTED_10baseT_Full - | SUPPORTED_100baseT_Half - | SUPPORTED_100baseT_Full - | SUPPORTED_Autoneg - /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */ - | SUPPORTED_MII - | SUPPORTED_TP); - - phydev->advertising = phydev->supported; - - priv->phydev = phydev; - - printk(KERN_INFO "%s: attached PHY driver [%s] " - "(mii_bus:phy_addr=%s, irq=%d)\n", - dev->name, phydev->drv->name, dev_name(&phydev->dev), phydev->irq); - - return 0; -} - - -static int ifxmips_mii_dev_init(struct net_device *dev) -{ - int i; - struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); - ether_setup(dev); - dev->watchdog_timeo = 10 * HZ; - dev->mtu = 1500; - memset(priv, 0, sizeof(struct ifxmips_mii_priv)); - priv->dma_device = dma_device_reserve("PPE"); - if (!priv->dma_device) { - BUG(); - return -ENODEV; - } - priv->dma_device->buffer_alloc = &ifxmips_etop_dma_buffer_alloc; - priv->dma_device->buffer_free = &ifxmips_etop_dma_buffer_free; - priv->dma_device->intr_handler = &dma_intr_handler; - priv->dma_device->max_rx_chan_num = 4; - - for (i = 0; i < priv->dma_device->max_rx_chan_num; i++) { - priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE; - priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON; - } - - for (i = 0; i < priv->dma_device->max_tx_chan_num; i++) - if (i == 0) - priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON; - else - priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF; - - dma_device_register(priv->dma_device); - - printk(KERN_INFO "%s: using mac=", dev->name); - for (i = 0; i < 6; i++) { - dev->dev_addr[i] = mac_addr[i]; - printk("%02X%c", dev->dev_addr[i], (i == 5) ? ('\n') : (':')); - } - - priv->mii_bus = mdiobus_alloc(); - if (priv->mii_bus == NULL) - return -ENOMEM; - - priv->mii_bus->priv = dev; - priv->mii_bus->read = ifxmips_mdiobus_read; - priv->mii_bus->write = ifxmips_mdiobus_write; - priv->mii_bus->name = "ifxmips_mii"; - snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0); - priv->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); - for(i = 0; i < PHY_MAX_ADDR; ++i) - priv->mii_bus->irq[i] = PHY_POLL; - - mdiobus_register(priv->mii_bus); - - return mii_probe(dev); -} - -static void ifxmips_mii_chip_init(int mode) -{ - ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA); - ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE); - - if (mode == REV_MII_MODE) - ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG); - else if (mode == MII_MODE) - ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG); - ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL); - ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG); - wmb(); -} - -static const struct net_device_ops ifxmips_eth_netdev_ops = { - .ndo_init = ifxmips_mii_dev_init, - .ndo_open = ifxmips_ifxmips_mii_open, - .ndo_stop = ifxmips_mii_release, - .ndo_start_xmit = ifxmips_mii_tx, - .ndo_tx_timeout = ifxmips_mii_tx_timeout, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -static int -ifxmips_mii_probe(struct platform_device *dev) -{ - int result = 0; - struct ifxmips_eth_data *eth = (struct ifxmips_eth_data*)dev->dev.platform_data; - ifxmips_mii0_dev = alloc_etherdev(sizeof(struct ifxmips_mii_priv)); - ifxmips_mii0_dev->netdev_ops = &ifxmips_eth_netdev_ops; - memcpy(mac_addr, eth->mac, 6); - strcpy(ifxmips_mii0_dev->name, "eth%d"); - ifxmips_mii_chip_init(eth->mii_mode); - result = register_netdev(ifxmips_mii0_dev); - if (result) { - printk(KERN_INFO "ifxmips_mii0: error %i registering device \"%s\"\n", result, ifxmips_mii0_dev->name); - goto out; - } - - printk(KERN_INFO "ifxmips_mii0: driver loaded!\n"); - -out: - return result; -} - -static int ifxmips_mii_remove(struct platform_device *dev) -{ - struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(ifxmips_mii0_dev); - - printk(KERN_INFO "ifxmips_mii0: ifxmips_mii0 cleanup\n"); - - dma_device_unregister(priv->dma_device); - dma_device_release(priv->dma_device); - kfree(priv->dma_device); - unregister_netdev(ifxmips_mii0_dev); - return 0; -} - -static struct platform_driver ifxmips_mii_driver = { - .probe = ifxmips_mii_probe, - .remove = ifxmips_mii_remove, - .driver = { - .name = "ifxmips_mii0", - .owner = THIS_MODULE, - }, -}; - -int __init ifxmips_mii_init(void) -{ - int ret = platform_driver_register(&ifxmips_mii_driver); - if (ret) - printk(KERN_INFO "ifxmips_mii0: Error registering platfom driver!"); - return ret; -} - -static void __exit ifxmips_mii_cleanup(void) -{ - platform_driver_unregister(&ifxmips_mii_driver); -} - -module_init(ifxmips_mii_init); -module_exit(ifxmips_mii_cleanup); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("ethernet driver for IFXMIPS boards"); diff --git a/target/linux/ifxmips/files/drivers/serial/ifxmips.c b/target/linux/ifxmips/files/drivers/serial/ifxmips.c deleted file mode 100644 index 4d35dc7fc..000000000 --- a/target/linux/ifxmips/files/drivers/serial/ifxmips.c +++ /dev/null @@ -1,551 +0,0 @@ -/* - * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. - * - * 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 - * - * Copyright (C) 2004 Infineon IFAP DC COM CPE - * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - */ - -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/major.h> -#include <linux/string.h> -#include <linux/fcntl.h> -#include <linux/ptrace.h> -#include <linux/ioport.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/circ_buf.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/console.h> -#include <linux/sysrq.h> -#include <linux/irq.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/uaccess.h> -#include <linux/bitops.h> - -#include <asm/system.h> - -#include <ifxmips.h> -#include <ifxmips_irq.h> - -#define PORT_IFXMIPSASC 111 - -#include <linux/serial_core.h> - -#define UART_DUMMY_UER_RX 1 - -static void ifxmipsasc_tx_chars(struct uart_port *port); -extern void prom_printf(const char *fmt, ...); -static struct uart_port ifxmipsasc_port[2]; -static struct uart_driver ifxmipsasc_reg; -extern unsigned int ifxmips_get_fpi_hz(void); - -static void ifxmipsasc_stop_tx(struct uart_port *port) -{ - return; -} - -static void ifxmipsasc_start_tx(struct uart_port *port) -{ - unsigned long flags; - local_irq_save(flags); - ifxmipsasc_tx_chars(port); - local_irq_restore(flags); - return; -} - -static void ifxmipsasc_stop_rx(struct uart_port *port) -{ - ifxmips_w32(ASCWHBSTATE_CLRREN, port->membase + IFXMIPS_ASC_WHBSTATE); -} - -static void ifxmipsasc_enable_ms(struct uart_port *port) -{ -} - -#include <linux/version.h> - -static void ifxmipsasc_rx_chars(struct uart_port *port) -{ - struct tty_struct *tty = port->state->port.tty; - unsigned int ch = 0, rsr = 0, fifocnt; - - fifocnt = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_RXFFLMASK; - while (fifocnt--) { - u8 flag = TTY_NORMAL; - ch = ifxmips_r32(port->membase + IFXMIPS_ASC_RBUF); - rsr = (ifxmips_r32(port->membase + IFXMIPS_ASC_STATE) & ASCSTATE_ANY) | UART_DUMMY_UER_RX; - tty_flip_buffer_push(tty); - port->icount.rx++; - - /* - * Note that the error handling code is - * out of the main execution path - */ - if (rsr & ASCSTATE_ANY) { - if (rsr & ASCSTATE_PE) { - port->icount.parity++; - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE, port->membase + IFXMIPS_ASC_WHBSTATE); - } else if (rsr & ASCSTATE_FE) { - port->icount.frame++; - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRFE, port->membase + IFXMIPS_ASC_WHBSTATE); - } - if (rsr & ASCSTATE_ROE) { - port->icount.overrun++; - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE); - } - - rsr &= port->read_status_mask; - - if (rsr & ASCSTATE_PE) - flag = TTY_PARITY; - else if (rsr & ASCSTATE_FE) - flag = TTY_FRAME; - } - - if ((rsr & port->ignore_status_mask) == 0) - tty_insert_flip_char(tty, ch, flag); - - if (rsr & ASCSTATE_ROE) - /* - * Overrun is special, since it's reported - * immediately, and doesn't affect the current - * character - */ - tty_insert_flip_char(tty, 0, TTY_OVERRUN); - } - if (ch != 0) - tty_flip_buffer_push(tty); - return; -} - - -static void ifxmipsasc_tx_chars(struct uart_port *port) -{ - struct circ_buf *xmit = &port->state->xmit; - if (uart_tx_stopped(port)) { - ifxmipsasc_stop_tx(port); - return; - } - - while (((ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK) - >> ASCFSTAT_TXFFLOFF) != TXFIFO_FULL) { - if (port->x_char) { - ifxmips_w32(port->x_char, port->membase + IFXMIPS_ASC_TBUF); - port->icount.tx++; - port->x_char = 0; - continue; - } - - if (uart_circ_empty(xmit)) - break; - - ifxmips_w32(port->state->xmit.buf[port->state->xmit.tail], port->membase + IFXMIPS_ASC_TBUF); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - port->icount.tx++; - } - - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(port); -} - -static irqreturn_t ifxmipsasc_tx_int(int irq, void *_port) -{ - struct uart_port *port = (struct uart_port *)_port; - ifxmips_w32(ASC_IRNCR_TIR, port->membase + IFXMIPS_ASC_IRNCR); - ifxmipsasc_start_tx(port); - ifxmips_mask_and_ack_irq(irq); - return IRQ_HANDLED; -} - -static irqreturn_t ifxmipsasc_er_int(int irq, void *_port) -{ - struct uart_port *port = (struct uart_port *)_port; - /* clear any pending interrupts */ - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE | - ASCWHBSTATE_CLRFE | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE); - return IRQ_HANDLED; -} - -static irqreturn_t ifxmipsasc_rx_int(int irq, void *_port) -{ - struct uart_port *port = (struct uart_port *)_port; - ifxmips_w32(ASC_IRNCR_RIR, port->membase + IFXMIPS_ASC_IRNCR); - ifxmipsasc_rx_chars((struct uart_port *)port); - ifxmips_mask_and_ack_irq(irq); - return IRQ_HANDLED; -} - -static unsigned int ifxmipsasc_tx_empty(struct uart_port *port) -{ - int status; - status = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK; - return status ? 0 : TIOCSER_TEMT; -} - -static unsigned int ifxmipsasc_get_mctrl(struct uart_port *port) -{ - return TIOCM_CTS | TIOCM_CAR | TIOCM_DSR; -} - -static void ifxmipsasc_set_mctrl(struct uart_port *port, u_int mctrl) -{ -} - -static void ifxmipsasc_break_ctl(struct uart_port *port, int break_state) -{ -} - -static int ifxmipsasc_startup(struct uart_port *port) -{ - int retval; - - port->uartclk = ifxmips_get_fpi_hz(); - - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~IFXMIPS_ASC_CLC_DISS, port->membase + IFXMIPS_ASC_CLC); - ifxmips_w32(((ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~ASCCLC_RMCMASK)) | (1 << ASCCLC_RMCOFFSET), port->membase + IFXMIPS_ASC_CLC); - ifxmips_w32(0, port->membase + IFXMIPS_ASC_PISEL); - ifxmips_w32(((TXFIFO_FL << ASCTXFCON_TXFITLOFF) & ASCTXFCON_TXFITLMASK) | ASCTXFCON_TXFEN | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON); - ifxmips_w32(((RXFIFO_FL << ASCRXFCON_RXFITLOFF) & ASCRXFCON_RXFITLMASK) | ASCRXFCON_RXFEN | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON); - wmb(); - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_M_8ASYNC | ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN, port->membase + IFXMIPS_ASC_CON); - - retval = request_irq(port->irq, ifxmipsasc_tx_int, IRQF_DISABLED, "asc_tx", port); - if (retval) { - printk(KERN_ERR "failed to request ifxmipsasc_tx_int\n"); - return retval; - } - - retval = request_irq(port->irq + 2, ifxmipsasc_rx_int, IRQF_DISABLED, "asc_rx", port); - if (retval) { - printk(KERN_ERR "failed to request ifxmipsasc_rx_int\n"); - goto err1; - } - - retval = request_irq(port->irq + 3, ifxmipsasc_er_int, IRQF_DISABLED, "asc_er", port); - if (retval) { - printk(KERN_ERR "failed to request ifxmipsasc_er_int\n"); - goto err2; - } - - ifxmips_w32(ASC_IRNREN_RX_BUF | ASC_IRNREN_TX_BUF | ASC_IRNREN_ERR | ASC_IRNREN_TX, port->membase + IFXMIPS_ASC_IRNREN); - return 0; - -err2: - free_irq(port->irq + 2, port); -err1: - free_irq(port->irq, port); - return retval; -} - -static void ifxmipsasc_shutdown(struct uart_port *port) -{ - free_irq(port->irq, port); - free_irq(port->irq + 2, port); - free_irq(port->irq + 3, port); - - ifxmips_w32(0, port->membase + IFXMIPS_ASC_CON); - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON); - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) & ~ASCRXFCON_RXFEN, port->membase + IFXMIPS_ASC_RXFCON); - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON); - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) & ~ASCTXFCON_TXFEN, port->membase + IFXMIPS_ASC_TXFCON); -} - -static void ifxmipsasc_set_termios(struct uart_port *port, struct ktermios *new, struct ktermios *old) -{ - unsigned int cflag; - unsigned int iflag; - unsigned int quot; - unsigned int baud; - unsigned int con = 0; - unsigned long flags; - - cflag = new->c_cflag; - iflag = new->c_iflag; - - switch (cflag & CSIZE) { - case CS7: - con = ASCCON_M_7ASYNC; - break; - - case CS5: - case CS6: - default: - con = ASCCON_M_8ASYNC; - break; - } - - if (cflag & CSTOPB) - con |= ASCCON_STP; - - if (cflag & PARENB) { - if (!(cflag & PARODD)) - con &= ~ASCCON_ODD; - else - con |= ASCCON_ODD; - } - - port->read_status_mask = ASCSTATE_ROE; - if (iflag & INPCK) - port->read_status_mask |= ASCSTATE_FE | ASCSTATE_PE; - - port->ignore_status_mask = 0; - if (iflag & IGNPAR) - port->ignore_status_mask |= ASCSTATE_FE | ASCSTATE_PE; - - if (iflag & IGNBRK) { - /* - * If we're ignoring parity and break indicators, - * ignore overruns too (for real raw support). - */ - if (iflag & IGNPAR) - port->ignore_status_mask |= ASCSTATE_ROE; - } - - if ((cflag & CREAD) == 0) - port->ignore_status_mask |= UART_DUMMY_UER_RX; - - /* set error signals - framing, parity and overrun, enable receiver */ - con |= ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN; - - local_irq_save(flags); - - /* set up CON */ - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | con, port->membase + IFXMIPS_ASC_CON); - - /* Set baud rate - take a divider of 2 into account */ - baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16); - quot = uart_get_divisor(port, baud); - quot = quot / 2 - 1; - - /* disable the baudrate generator */ - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_R, port->membase + IFXMIPS_ASC_CON); - - /* make sure the fractional divider is off */ - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_FDE, port->membase + IFXMIPS_ASC_CON); - - /* set up to use divisor of 2 */ - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_BRS, port->membase + IFXMIPS_ASC_CON); - - /* now we can write the new baudrate into the register */ - ifxmips_w32(quot, port->membase + IFXMIPS_ASC_BG); - - /* turn the baudrate generator back on */ - ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_R, port->membase + IFXMIPS_ASC_CON); - - /* enable rx */ - ifxmips_w32(ASCWHBSTATE_SETREN, port->membase + IFXMIPS_ASC_WHBSTATE); - - local_irq_restore(flags); -} - -static const char *ifxmipsasc_type(struct uart_port *port) -{ - if (port->type == PORT_IFXMIPSASC) { - if (port->membase == (void *)IFXMIPS_ASC_BASE_ADDR) - return "asc0"; - else - return "asc1"; - } else { - return NULL; - } -} - -static void ifxmipsasc_release_port(struct uart_port *port) -{ -} - -static int ifxmipsasc_request_port(struct uart_port *port) -{ - return 0; -} - -static void ifxmipsasc_config_port(struct uart_port *port, int flags) -{ - if (flags & UART_CONFIG_TYPE) { - port->type = PORT_IFXMIPSASC; - ifxmipsasc_request_port(port); - } -} - -static int ifxmipsasc_verify_port(struct uart_port *port, struct serial_struct *ser) -{ - int ret = 0; - if (ser->type != PORT_UNKNOWN && ser->type != PORT_IFXMIPSASC) - ret = -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) - ret = -EINVAL; - if (ser->baud_base < 9600) - ret = -EINVAL; - return ret; -} - -static struct uart_ops ifxmipsasc_pops = { - .tx_empty = ifxmipsasc_tx_empty, - .set_mctrl = ifxmipsasc_set_mctrl, - .get_mctrl = ifxmipsasc_get_mctrl, - .stop_tx = ifxmipsasc_stop_tx, - .start_tx = ifxmipsasc_start_tx, - .stop_rx = ifxmipsasc_stop_rx, - .enable_ms = ifxmipsasc_enable_ms, - .break_ctl = ifxmipsasc_break_ctl, - .startup = ifxmipsasc_startup, - .shutdown = ifxmipsasc_shutdown, - .set_termios = ifxmipsasc_set_termios, - .type = ifxmipsasc_type, - .release_port = ifxmipsasc_release_port, - .request_port = ifxmipsasc_request_port, - .config_port = ifxmipsasc_config_port, - .verify_port = ifxmipsasc_verify_port, -}; - -static struct uart_port ifxmipsasc_port[2] = { - { - .membase = (void *)IFXMIPS_ASC_BASE_ADDR, - .mapbase = IFXMIPS_ASC_BASE_ADDR, - .iotype = SERIAL_IO_MEM, - .irq = IFXMIPSASC_TIR(0), - .uartclk = 0, - .fifosize = 16, - .type = PORT_IFXMIPSASC, - .ops = &ifxmipsasc_pops, - .flags = ASYNC_BOOT_AUTOCONF, - .line = 0 - }, { - .membase = (void *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF), - .mapbase = IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF, - .iotype = SERIAL_IO_MEM, - .irq = IFXMIPSASC_TIR(1), - .uartclk = 0, - .fifosize = 16, - .type = PORT_IFXMIPSASC, - .ops = &ifxmipsasc_pops, - .flags = ASYNC_BOOT_AUTOCONF, - .line = 1 - } -}; - -static void ifxmipsasc_console_write(struct console *co, const char *s, u_int count) -{ - int port = co->index; - int i, fifocnt; - unsigned long flags; - local_irq_save(flags); - for (i = 0; i < count; i++) { - do { - fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK) - >> ASCFSTAT_TXFFLOFF; - } while (fifocnt == TXFIFO_FULL); - - if (s[i] == '\0') - break; - - if (s[i] == '\n') { - ifxmips_w32('\r', (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); - do { - fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK) - >> ASCFSTAT_TXFFLOFF; - } while (fifocnt == TXFIFO_FULL); - } - ifxmips_w32(s[i], (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); - } - - local_irq_restore(flags); -} - -static int __init ifxmipsasc_console_setup(struct console *co, char *options) -{ - int port = co->index; - int baud = 115200; - int bits = 8; - int parity = 'n'; - int flow = 'n'; - ifxmipsasc_port[port].uartclk = ifxmips_get_fpi_hz(); - ifxmipsasc_port[port].type = PORT_IFXMIPSASC; - if (options) - uart_parse_options(options, &baud, &parity, &bits, &flow); - return uart_set_options(&ifxmipsasc_port[port], co, baud, parity, bits, flow); -} - -static struct console ifxmipsasc_console[2] = -{ - { - .name = "ttyS", - .write = ifxmipsasc_console_write, - .device = uart_console_device, - .setup = ifxmipsasc_console_setup, - .flags = CON_PRINTBUFFER, - .index = 0, - .data = &ifxmipsasc_reg, - }, { - .name = "ttyS", - .write = ifxmipsasc_console_write, - .device = uart_console_device, - .setup = ifxmipsasc_console_setup, - .flags = CON_PRINTBUFFER, - .index = 1, - .data = &ifxmipsasc_reg, - } -}; - -static int __init ifxmipsasc_console_init(void) -{ - register_console(&ifxmipsasc_console[0]); - register_console(&ifxmipsasc_console[1]); - return 0; -} -console_initcall(ifxmipsasc_console_init); - -static struct uart_driver ifxmipsasc_reg = { - .owner = THIS_MODULE, - .driver_name = "serial", - .dev_name = "ttyS", - .major = TTY_MAJOR, - .minor = 64, - .nr = 2, - .cons = &ifxmipsasc_console[1], -}; - -int __init ifxmipsasc_init(void) -{ - int ret; - uart_register_driver(&ifxmipsasc_reg); - ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[0]); - ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[1]); - return 0; -} - -void __exit ifxmipsasc_exit(void) -{ - uart_unregister_driver(&ifxmipsasc_reg); -} - -module_init(ifxmipsasc_init); -module_exit(ifxmipsasc_exit); - -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("MIPS IFXMips serial port driver"); -MODULE_LICENSE("GPL"); diff --git a/target/linux/ifxmips/files/drivers/watchdog/ifxmips.c b/target/linux/ifxmips/files/drivers/watchdog/ifxmips.c deleted file mode 100644 index b06307cb7..000000000 --- a/target/linux/ifxmips/files/drivers/watchdog/ifxmips.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * 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 - * - * Copyright (C) 2008 John Crispin <blogic@openwrt.org> - * Based on EP93xx wdt driver - */ - -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <linux/miscdevice.h> -#include <linux/watchdog.h> -#include <linux/platform_device.h> -#include <linux/uaccess.h> - -#include <ifxmips.h> -#include <ifxmips_cgu.h> - -#define IFXMIPS_WDT_PW1 0x00BE0000 -#define IFXMIPS_WDT_PW2 0x00DC0000 - -#ifndef CONFIG_WATCHDOG_NOWAYOUT -static int wdt_ok_to_close; -#endif - -static int wdt_timeout = 30; - -int ifxmips_wdt_enable(unsigned int timeout) -{ - u32 fpi; - fpi = cgu_get_io_region_clock(); - ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR); - ifxmips_w32(IFXMIPS_WDT_PW2 | - (0x3 << 26) | /* PWL */ - (0x3 << 24) | /* CLKDIV */ - (0x1 << 31) | /* enable */ - ((timeout * (fpi / 0x40000)) + 0x1000), /* reload */ - IFXMIPS_BIU_WDT_CR); - return 0; -} - -void ifxmips_wdt_disable(void) -{ -#ifndef CONFIG_WATCHDOG_NOWAYOUT - wdt_ok_to_close = 0; -#endif - ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR); - ifxmips_w32(IFXMIPS_WDT_PW2, IFXMIPS_BIU_WDT_CR); -} - -static ssize_t ifxmips_wdt_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) -{ - size_t i; - - if (!len) - return 0; - -#ifndef CONFIG_WATCHDOG_NOWAYOUT - for (i = 0; i != len; i++) { - char c; - if (get_user(c, data + i)) - return -EFAULT; - if (c == 'V') - wdt_ok_to_close = 1; - } -#endif - ifxmips_wdt_enable(wdt_timeout); - return len; -} - -static struct watchdog_info ident = { - .options = WDIOF_MAGICCLOSE, - .identity = "ifxmips Watchdog", -}; - -static int ifxmips_wdt_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - int ret = -ENOTTY; - - switch (cmd) { - case WDIOC_GETSUPPORT: - ret = copy_to_user((struct watchdog_info __user *)arg, &ident, - sizeof(ident)) ? -EFAULT : 0; - break; - - case WDIOC_GETTIMEOUT: - ret = put_user(wdt_timeout, (int __user *)arg); - break; - - case WDIOC_SETTIMEOUT: - ret = get_user(wdt_timeout, (int __user *)arg); - break; - - case WDIOC_KEEPALIVE: - ifxmips_wdt_enable(wdt_timeout); - ret = 0; - break; - } - return ret; -} - -static int ifxmips_wdt_open(struct inode *inode, struct file *file) -{ - ifxmips_wdt_enable(wdt_timeout); - return nonseekable_open(inode, file); -} - -static int ifxmips_wdt_release(struct inode *inode, struct file *file) -{ -#ifndef CONFIG_WATCHDOG_NOWAYOUT - if (wdt_ok_to_close) - ifxmips_wdt_disable(); - else -#endif - printk(KERN_ERR "ifxmips_wdt: watchdog closed without warning," - " rebooting system\n"); - return 0; -} - -static const struct file_operations ifxmips_wdt_fops = { - .owner = THIS_MODULE, - .write = ifxmips_wdt_write, - .ioctl = ifxmips_wdt_ioctl, - .open = ifxmips_wdt_open, - .release = ifxmips_wdt_release, -}; - -static struct miscdevice ifxmips_wdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &ifxmips_wdt_fops, -}; - -static int ifxmips_wdt_probe(struct platform_device *dev) -{ - int err; - err = misc_register(&ifxmips_wdt_miscdev); - if (err) - printk(KERN_INFO "ifxmips_wdt: error creating device\n"); - else - printk(KERN_INFO "ifxmips_wdt: loaded\n"); - return err; -} - -static int ifxmips_wdt_remove(struct platform_device *dev) -{ - ifxmips_wdt_disable(); - misc_deregister(&ifxmips_wdt_miscdev); - return 0; -} - - -static struct platform_driver ifxmips_wdt_driver = { - .probe = ifxmips_wdt_probe, - .remove = ifxmips_wdt_remove, - .driver = { - .name = "ifxmips_wdt", - .owner = THIS_MODULE, - }, -}; - -static int __init init_ifxmips_wdt(void) -{ - int ret = platform_driver_register(&ifxmips_wdt_driver); - if (ret) - printk(KERN_INFO "ifxmips_wdt: error registering platfom driver!"); - return ret; -} - -static void __exit exit_ifxmips_wdt(void) -{ - platform_driver_unregister(&ifxmips_wdt_driver); -} - -module_init(init_ifxmips_wdt); -module_exit(exit_ifxmips_wdt); - -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("ifxmips Watchdog"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); |