alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-01-01 08:36:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(esp_tee): Enable GDMA burst mode for AES/SHA operations

Browse Source 
Co-authored-by: Harshal Patil <harshal.patil@espressif.com>
This commit is contained in:
Laukik Hase
2025-11-27 16:13:26 +05:30
parent 9ced000ac2
commit 150418fb5d
1 changed files with 13 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
components/mbedtls/esp_tee/esp_tee_crypto_shared_gdma.c
View File

@@ -6,6 +6,7 @@
#include <string.h>
#include "esp_err.h"
#include "soc/soc_caps.h"
#include "mbedtls/aes.h"
#include "esp_crypto_dma.h"
@@ -49,6 +50,10 @@
#define dma_ll_rx_stop DMA_LL_FUNC(rx_stop)
#define dma_ll_tx_set_priority DMA_LL_FUNC(tx_set_priority)
#define dma_ll_rx_set_priority DMA_LL_FUNC(rx_set_priority)
#if SOC_AHB_GDMA_VERSION == 2
#define dma_ll_tx_set_burst_size DMA_LL_FUNC(tx_set_burst_size)
#define dma_ll_rx_set_burst_size DMA_LL_FUNC(rx_set_burst_size)
#endif
/*
* NOTE: [ESP-TEE] This is a low-level (LL), non-OS version of
@@ -66,10 +71,16 @@ static void crypto_shared_gdma_init(void)
dma_ll_force_enable_reg_clock(&DMA_DEV, true);
// setting the transfer ability
#if SOC_AHB_GDMA_VERSION == 2
dma_ll_rx_enable_data_burst(&DMA_DEV, TEE_CRYPTO_GDMA_CH, true);
dma_ll_tx_set_burst_size(&DMA_DEV, TEE_CRYPTO_GDMA_CH, 16);
dma_ll_tx_set_burst_size(&DMA_DEV, TEE_CRYPTO_GDMA_CH, 16);
#else
dma_ll_rx_enable_data_burst(&DMA_DEV, TEE_CRYPTO_GDMA_CH, false);
#endif
dma_ll_tx_enable_data_burst(&DMA_DEV, TEE_CRYPTO_GDMA_CH, true);
dma_ll_tx_enable_descriptor_burst(&DMA_DEV, TEE_CRYPTO_GDMA_CH, true);
dma_ll_rx_enable_data_burst(&DMA_DEV, TEE_CRYPTO_GDMA_CH, false);
dma_ll_rx_enable_descriptor_burst(&DMA_DEV, TEE_CRYPTO_GDMA_CH, true);
dma_ll_tx_reset_channel(&DMA_DEV, TEE_CRYPTO_GDMA_CH);