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crypto accelerator support on esp32s3

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SHA: passing unit tests
RSA: pass tests
AES: tests passing
This commit is contained in:
Marius Vikhammer
2020-08-19 14:39:12 +08:00
committed by morris
parent cc66334014
commit bff0016eb8
11 changed files with 2831 additions and 6 deletions
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35
components/hal/esp32s3/include/hal/clk_gate_ll.h
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@@ -94,6 +94,12 @@ static inline uint32_t periph_ll_get_clk_en_mask(periph_module_t periph)
return SYSTEM_SYSTIMER_CLK_EN;
case PERIPH_GDMA_MODULE:
return SYSTEM_DMA_CLK_EN;
case PERIPH_AES_MODULE:
return SYSTEM_CRYPTO_AES_CLK_EN;
case PERIPH_SHA_MODULE:
return SYSTEM_CRYPTO_SHA_CLK_EN;
case PERIPH_RSA_MODULE:
return SYSTEM_CRYPTO_RSA_CLK_EN;
default:
return 0;
}
@@ -159,6 +165,30 @@ static inline uint32_t periph_ll_get_rst_en_mask(periph_module_t periph, bool en
return SYSTEM_SYSTIMER_RST;
case PERIPH_GDMA_MODULE:
return SYSTEM_DMA_RST;
case PERIPH_AES_MODULE:
if (enable == true) {
// Clear reset on digital signature, otherwise AES unit is held in reset also.
return (SYSTEM_CRYPTO_AES_RST | SYSTEM_CRYPTO_DS_RST);
} else {
//Don't return other units to reset, as this pulls reset on RSA & SHA units, respectively.
return SYSTEM_CRYPTO_AES_RST;
}
case PERIPH_SHA_MODULE:
if (enable == true) {
// Clear reset on digital signature and HMAC, otherwise SHA is held in reset
return (SYSTEM_CRYPTO_SHA_RST | SYSTEM_CRYPTO_DS_RST | SYSTEM_CRYPTO_HMAC_RST | SYSTEM_DMA_RST) ;
} else {
// Don't assert reset on secure boot, otherwise AES is held in reset
return SYSTEM_CRYPTO_SHA_RST | SYSTEM_DMA_RST;
}
case PERIPH_RSA_MODULE:
if (enable == true) {
/* also clear reset on digital signature, otherwise RSA is held in reset */
return (SYSTEM_CRYPTO_RSA_RST | SYSTEM_CRYPTO_DS_RST);
} else {
/* don't reset digital signature unit, as this resets AES also */
return SYSTEM_CRYPTO_RSA_RST;
}
default:
return 0;
}
@@ -177,6 +207,9 @@ static uint32_t periph_ll_get_clk_en_reg(periph_module_t periph)
case PERIPH_UART2_MODULE:
case PERIPH_SDMMC_MODULE:
case PERIPH_GDMA_MODULE:
case PERIPH_AES_MODULE:
case PERIPH_SHA_MODULE:
case PERIPH_RSA_MODULE:
return SYSTEM_PERIP_CLK_EN1_REG;
default:
return SYSTEM_PERIP_CLK_EN0_REG;
@@ -196,6 +229,8 @@ static uint32_t periph_ll_get_rst_en_reg(periph_module_t periph)
case PERIPH_UART2_MODULE:
case PERIPH_SDMMC_MODULE:
case PERIPH_GDMA_MODULE:
case PERIPH_AES_MODULE:
case PERIPH_RSA_MODULE:
return SYSTEM_PERIP_RST_EN1_REG;
default:
return SYSTEM_PERIP_RST_EN0_REG;