diff options
Diffstat (limited to 'os/hal/ports/SAMA/LLD/CRYPTOv1/sama_aes_lld.c')
| -rw-r--r-- | os/hal/ports/SAMA/LLD/CRYPTOv1/sama_aes_lld.c | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_aes_lld.c b/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_aes_lld.c index b490b05bc..0ed4af4a2 100644 --- a/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_aes_lld.c +++ b/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_aes_lld.c @@ -12,7 +12,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-*/
+ */
#include "hal.h"
#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
@@ -83,11 +83,9 @@ void sama_aes_lld_set_input(uint32_t* data) { uint8_t size = 4;
if ((AES->AES_MR & AES_MR_OPMOD_Msk) == AES_MR_OPMOD_CFB) {
- if ((AES->AES_MR & AES_MR_CFBS_Msk) ==
- AES_MR_CFBS_SIZE_128BIT)
+ if ((AES->AES_MR & AES_MR_CFBS_Msk) == AES_MR_CFBS_SIZE_128BIT)
size = 4;
- else if ((AES->AES_MR & AES_MR_CFBS_Msk) ==
- AES_MR_CFBS_SIZE_64BIT)
+ else if ((AES->AES_MR & AES_MR_CFBS_Msk) == AES_MR_CFBS_SIZE_64BIT)
size = 2;
else
size = 1;
@@ -113,13 +111,13 @@ cryerror_t sama_aes_lld_process_polling(CRYDriver *cryp, aesparams *params, cryerror_t ret;
osalMutexLock(&cryp->mutex);
-//AES soft reset
+ //AES soft reset
AES->AES_CR = AES_CR_SWRST;
-//AES set op mode
+ //AES set op mode
AES->AES_MR |= ((AES_MR_OPMOD_Msk & (params->mode)) | AES_MR_CKEY_PASSWD);
-//AES set key size
+ //AES set key size
ret = sama_aes_lld_set_key_size(cryp->key0_size);
if (ret == CRY_NOERROR) {
@@ -137,10 +135,9 @@ cryerror_t sama_aes_lld_process_polling(CRYDriver *cryp, aesparams *params, else
AES->AES_MR &= ~AES_MR_CIPHER;
- AES->AES_MR |= (((AES_MR_SMOD_Msk & (AES_MR_SMOD_MANUAL_START)))
- | AES_MR_CKEY_PASSWD);
+ AES->AES_MR |= (((AES_MR_SMOD_Msk & (AES_MR_SMOD_MANUAL_START))) | AES_MR_CKEY_PASSWD);
-//Enable aes interrupt
+ //Enable aes interrupt
AES->AES_IER = AES_IER_DATRDY;
for (i = 0; i < indata_len; i += params->block_size) {
@@ -149,8 +146,7 @@ cryerror_t sama_aes_lld_process_polling(CRYDriver *cryp, aesparams *params, AES->AES_CR = AES_CR_START;
- while ((AES->AES_ISR & AES_ISR_DATRDY) != AES_ISR_DATRDY)
- ;
+ while ((AES->AES_ISR & AES_ISR_DATRDY) != AES_ISR_DATRDY);
sama_aes_lld_get_output((uint32_t *) ((out) + i));
}
@@ -165,7 +161,7 @@ cryerror_t sama_aes_lld_process_polling(CRYDriver *cryp, aesparams *params, cryerror_t sama_aes_lld_process_dma(CRYDriver *cryp, aesparams *params,
const uint8_t *in, uint8_t *out, size_t indata_len) {
-
+#if defined(SAMA_DMA_REQUIRED)
cryerror_t ret;
osalDbgAssert(cryp->thread == NULL, "already waiting");
@@ -187,26 +183,26 @@ cryerror_t sama_aes_lld_process_dma(CRYDriver *cryp, aesparams *params, cryp->dmawith = DMA_DATA_WIDTH_BYTE;
cryp->rxdmamode = XDMAC_CC_TYPE_PER_TRAN |
- XDMAC_CC_PROT_SEC |
- XDMAC_CC_MBSIZE_SINGLE |
- XDMAC_CC_DSYNC_PER2MEM | XDMAC_CC_CSIZE(cryp->dmachunksize) |
- XDMAC_CC_DWIDTH(cryp->dmawith) |
- XDMAC_CC_SIF_AHB_IF1 |
- XDMAC_CC_DIF_AHB_IF0 |
- XDMAC_CC_SAM_FIXED_AM |
- XDMAC_CC_DAM_INCREMENTED_AM |
- XDMAC_CC_PERID(PERID_AES_RX);
+ XDMAC_CC_PROT_SEC |
+ XDMAC_CC_MBSIZE_SINGLE |
+ XDMAC_CC_DSYNC_PER2MEM | XDMAC_CC_CSIZE(cryp->dmachunksize) |
+ XDMAC_CC_DWIDTH(cryp->dmawith) |
+ XDMAC_CC_SIF_AHB_IF1 |
+ XDMAC_CC_DIF_AHB_IF0 |
+ XDMAC_CC_SAM_FIXED_AM |
+ XDMAC_CC_DAM_INCREMENTED_AM |
+ XDMAC_CC_PERID(PERID_AES_RX);
cryp->txdmamode = XDMAC_CC_TYPE_PER_TRAN |
- XDMAC_CC_PROT_SEC |
- XDMAC_CC_MBSIZE_SINGLE |
- XDMAC_CC_DSYNC_MEM2PER | XDMAC_CC_CSIZE(cryp->dmachunksize) |
- XDMAC_CC_DWIDTH(cryp->dmawith) |
- XDMAC_CC_SIF_AHB_IF0 |
- XDMAC_CC_DIF_AHB_IF1 |
- XDMAC_CC_SAM_INCREMENTED_AM |
- XDMAC_CC_DAM_FIXED_AM |
- XDMAC_CC_PERID(PERID_AES_TX);
+ XDMAC_CC_PROT_SEC |
+ XDMAC_CC_MBSIZE_SINGLE |
+ XDMAC_CC_DSYNC_MEM2PER | XDMAC_CC_CSIZE(cryp->dmachunksize) |
+ XDMAC_CC_DWIDTH(cryp->dmawith) |
+ XDMAC_CC_SIF_AHB_IF0 |
+ XDMAC_CC_DIF_AHB_IF1 |
+ XDMAC_CC_SAM_INCREMENTED_AM |
+ XDMAC_CC_DAM_FIXED_AM |
+ XDMAC_CC_PERID(PERID_AES_TX);
dmaChannelSetMode(cryp->dmarx, cryp->rxdmamode);
dmaChannelSetMode(cryp->dmatx, cryp->txdmamode);
@@ -223,10 +219,10 @@ cryerror_t sama_aes_lld_process_dma(CRYDriver *cryp, aesparams *params, dmaChannelSetTransactionSize(cryp->dmarx, ( indata_len / DMA_DATA_WIDTH_TO_BYTE(cryp->dmawith)));
//AES soft reset
- AES->AES_CR = AES_CR_SWRST;
+ AES->AES_CR = AES_CR_SWRST;
//AES set op mode
- AES->AES_MR |= ((AES_MR_OPMOD_Msk & (params->mode)) | AES_MR_CKEY_PASSWD);
+ AES->AES_MR |= ((AES_MR_OPMOD_Msk & (params->mode)) | AES_MR_CKEY_PASSWD);
//AES set key size
ret = sama_aes_lld_set_key_size(cryp->key0_size);
@@ -260,7 +256,7 @@ cryerror_t sama_aes_lld_process_dma(CRYDriver *cryp, aesparams *params, osalSysUnlock();
osalMutexUnlock(&cryp->mutex);
-
+#endif //#if defined(SAMA_DMA_REQUIRED)
return CRY_NOERROR;
}
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