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feat: added ecc peripheral support for esp32c5 for mp version

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This commits adds support for ECC peripheral for ESP32C5 MP version
This is tested on mbedtls and hal testapps.
This commit is contained in:
nilesh.kale
2024-05-09 15:00:02 +05:30
parent 6245159dcc
commit 948d46a765
3 changed files with 10 additions and 15 deletions
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14
components/hal/esp32c5/include/hal/ecc_ll.h
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@@ -21,11 +21,9 @@ typedef enum {
ECC_PARAM_PX = 0x0,
ECC_PARAM_PY,
ECC_PARAM_K,
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
ECC_PARAM_QX,
ECC_PARAM_QY,
ECC_PARAM_QZ,
#endif
} ecc_ll_param_t;
/**
@@ -45,10 +43,8 @@ static inline void ecc_ll_reset_register(void)
{
PCR.ecc_conf.ecc_rst_en = 1;
PCR.ecc_conf.ecc_rst_en = 0;
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
// Clear reset on ECDSA, otherwise ECC is held in reset
PCR.ecdsa_conf.ecdsa_rst_en = 0;
#endif
}
static inline void ecc_ll_enable_interrupt(void)
@@ -78,7 +74,6 @@ static inline void ecc_ll_set_mode(ecc_mode_t mode)
case ECC_MODE_VERIFY_THEN_POINT_MUL:
REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_WORK_MODE, 3);
break;
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
case ECC_MODE_JACOBIAN_POINT_MUL:
REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_WORK_MODE, 4);
break;
@@ -103,7 +98,6 @@ static inline void ecc_ll_set_mode(ecc_mode_t mode)
case ECC_MODE_INVERSE_MUL:
REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_WORK_MODE, 11);
break;
#endif
default:
HAL_ASSERT(false && "Unsupported mode");
break;
@@ -125,7 +119,6 @@ static inline void ecc_ll_set_curve(ecc_curve_t curve)
}
}
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
static inline void ecc_ll_set_mod_base(ecc_mod_base_t base)
{
switch(base) {
@@ -140,7 +133,6 @@ static inline void ecc_ll_set_mod_base(ecc_mod_base_t base)
return;
}
}
#endif
static inline void ecc_ll_write_param(ecc_ll_param_t param, const uint8_t *buf, uint16_t len)
{
@@ -156,7 +148,6 @@ static inline void ecc_ll_write_param(ecc_ll_param_t param, const uint8_t *buf,
case ECC_PARAM_K:
reg = ECC_MULT_K_MEM;
break;
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
case ECC_PARAM_QX:
reg = ECC_MULT_QX_MEM;
break;
@@ -166,7 +157,6 @@ static inline void ecc_ll_write_param(ecc_ll_param_t param, const uint8_t *buf,
case ECC_PARAM_QZ:
reg = ECC_MULT_QZ_MEM;
break;
#endif
default:
HAL_ASSERT(false && "Invalid parameter");
return;
@@ -203,12 +193,10 @@ static inline ecc_curve_t ecc_ll_get_curve(void)
return (ecc_curve_t)(REG_GET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_KEY_LENGTH));
}
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
static inline ecc_mod_base_t ecc_ll_get_mod_base(void)
{
return (ecc_mod_base_t)(REG_GET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_MOD_BASE));
}
#endif
static inline void ecc_ll_read_param(ecc_ll_param_t param, uint8_t *buf, uint16_t len)
{
@@ -223,7 +211,6 @@ static inline void ecc_ll_read_param(ecc_ll_param_t param, uint8_t *buf, uint16_
case ECC_PARAM_K:
reg = ECC_MULT_K_MEM;
break;
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
case ECC_PARAM_QX:
reg = ECC_MULT_QX_MEM;
break;
@@ -233,7 +220,6 @@ static inline void ecc_ll_read_param(ecc_ll_param_t param, uint8_t *buf, uint16_
case ECC_PARAM_QZ:
reg = ECC_MULT_QZ_MEM;
break;
#endif
default:
HAL_ASSERT(false && "Invalid parameter");
return;