alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-10-03 20:17:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(ecc): use RCC atomic block to enable/reset the ECC peripheral

Browse Source
This commit is contained in:
harshal.patil
2023-09-06 17:03:55 +05:30
parent c5cc4f488a
commit 1c6ff8ce9f
7 changed files with 143 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
components/hal/esp32p4/include/hal/ecc_ll.h
View File

@@ -10,6 +10,7 @@
#include "hal/assert.h"
#include "hal/ecc_types.h"
#include "soc/ecc_mult_reg.h"
#include "soc/hp_sys_clkrst_struct.h"
#ifdef __cplusplus
extern "C" {
@@ -24,6 +25,38 @@ typedef enum {
ECC_PARAM_QZ,
} ecc_ll_param_t;
/**
* @brief Enable the bus clock for ECC peripheral module
*
* @param true to enable the module, false to disable the module
*/
static inline void ecc_ll_enable_bus_clock(bool enable)
{
HP_SYS_CLKRST.peri_clk_ctrl25.reg_crypto_ecc_clk_en = enable;
}
/// use a macro to wrap the function, force the caller to use it in a critical section
/// the critical section needs to declare the __DECLARE_RCC_ATOMIC_ENV variable in advance
#define ecc_ll_enable_bus_clock(...) (void)__DECLARE_RCC_ATOMIC_ENV; ecc_ll_enable_bus_clock(__VA_ARGS__)
/**
* @brief Reset the ECC peripheral module
*/
static inline void ecc_ll_reset_register(void)
{
HP_SYS_CLKRST.hp_rst_en2.reg_rst_en_ecc = 1;
HP_SYS_CLKRST.hp_rst_en2.reg_rst_en_ecc = 0;
HP_SYS_CLKRST.hp_rst_en2.reg_rst_en_crypto = 1;
HP_SYS_CLKRST.hp_rst_en2.reg_rst_en_crypto = 0;
// Clear reset on ECDSA, otherwise ECC is held in reset
HP_SYS_CLKRST.hp_rst_en2.reg_rst_en_ecdsa = 0;
}
/// use a macro to wrap the function, force the caller to use it in a critical section
/// the critical section needs to declare the __DECLARE_RCC_ATOMIC_ENV variable in advance
#define ecc_ll_reset_register(...) (void)__DECLARE_RCC_ATOMIC_ENV; ecc_ll_reset_register(__VA_ARGS__)
static inline void ecc_ll_enable_interrupt(void)
{
REG_SET_FIELD(ECC_MULT_INT_ENA_REG, ECC_MULT_CALC_DONE_INT_ENA, 1);