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Merge branch 'bugfix/esp32c6_h2_clk_gate_periph_rst' into 'master'

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clk_gate_ll: fix issue with DS peripheral clk reset

Closes IDF-6740

See merge request espressif/esp-idf!22301
This commit is contained in:
Mahavir Jain 2023-02-13 20:06:13 +08:00
commit f4fb62eee7
2 changed files with 50 additions and 60 deletions
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55
components/hal/esp32c6/include/hal/clk_gate_ll.h
View File

@ -10,7 +10,7 @@
#include <stdbool.h>
#include "soc/periph_defs.h"
#include "soc/pcr_reg.h"
#include "soc/dport_access.h"
#include "soc/soc.h"
#include "esp_attr.h"
#ifdef __cplusplus
@ -139,29 +139,24 @@ static inline uint32_t periph_ll_get_rst_en_mask(periph_module_t periph, bool en
case PERIPH_TEMPSENSOR_MODULE:
return PCR_TSENS_RST_EN;
case PERIPH_AES_MODULE:
if (enable == true) {
// Clear reset on digital signature, otherwise AES unit is held in reset also.
return (PCR_AES_RST_EN | PCR_DS_RST_EN);
} else {
//Don't return other units to reset, as this pulls reset on RSA & SHA units, respectively.
return PCR_AES_RST_EN;
}
if (enable == true) {
// Clear reset on digital signature, otherwise AES unit is held in reset
CLEAR_PERI_REG_MASK(PCR_DS_CONF_REG, PCR_DS_RST_EN);
}
return PCR_AES_RST_EN;
case PERIPH_SHA_MODULE:
if (enable == true) {
// Clear reset on digital signature and HMAC, otherwise SHA is held in reset
return (PCR_SHA_RST_EN | PCR_DS_RST_EN | PCR_HMAC_RST_EN);
} else {
// Don't assert reset on secure boot, otherwise AES is held in reset
return PCR_SHA_RST_EN;
}
if (enable == true) {
// Clear reset on digital signature and HMAC, otherwise SHA is held in reset
CLEAR_PERI_REG_MASK(PCR_DS_CONF_REG, PCR_DS_RST_EN);
CLEAR_PERI_REG_MASK(PCR_HMAC_CONF_REG, PCR_HMAC_RST_EN);
}
return PCR_SHA_RST_EN;
case PERIPH_RSA_MODULE:
if (enable == true) {
/* also clear reset on digital signature, otherwise RSA is held in reset */
return (PCR_RSA_RST_EN | PCR_DS_RST_EN);
} else {
/* don't reset digital signature unit, as this resets AES also */
return PCR_RSA_RST_EN;
}
if (enable == true) {
// Clear reset on digital signature, otherwise RSA is held in reset
CLEAR_PERI_REG_MASK(PCR_DS_CONF_REG, PCR_DS_RST_EN);
}
return PCR_RSA_RST_EN;
case PERIPH_HMAC_MODULE:
return PCR_HMAC_RST_EN;
case PERIPH_DS_MODULE:
@ -319,26 +314,26 @@ static uint32_t periph_ll_get_rst_en_reg(periph_module_t periph)
static inline void periph_ll_enable_clk_clear_rst(periph_module_t periph)
{
DPORT_SET_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, true));
SET_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, true));
}
static inline void periph_ll_disable_clk_set_rst(periph_module_t periph)
{
DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
CLEAR_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
}
static inline void periph_ll_reset(periph_module_t periph)
{
DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
}
static inline bool IRAM_ATTR periph_ll_periph_enabled(periph_module_t periph)
{
return DPORT_REG_GET_BIT(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false)) == 0 &&
DPORT_REG_GET_BIT(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph)) != 0;
return REG_GET_BIT(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false)) == 0 &&
REG_GET_BIT(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph)) != 0;
}
#ifdef __cplusplus

55
components/hal/esp32h2/include/hal/clk_gate_ll.h
View File

@ -10,7 +10,7 @@
#include <stdbool.h>
#include "soc/periph_defs.h"
#include "soc/pcr_reg.h"
#include "soc/dport_access.h"
#include "soc/soc.h"
#ifdef __cplusplus
extern "C" {
@ -133,29 +133,24 @@ static inline uint32_t periph_ll_get_rst_en_mask(periph_module_t periph, bool en
case PERIPH_TEMPSENSOR_MODULE:
return PCR_TSENS_RST_EN;
case PERIPH_AES_MODULE:
if (enable == true) {
// Clear reset on digital signature, otherwise AES unit is held in reset also.
return (PCR_AES_RST_EN | PCR_DS_RST_EN);
} else {
//Don't return other units to reset, as this pulls reset on RSA & SHA units, respectively.
return PCR_AES_RST_EN;
}
if (enable == true) {
// Clear reset on digital signature, otherwise AES unit is held in reset
CLEAR_PERI_REG_MASK(PCR_DS_CONF_REG, PCR_DS_RST_EN);
}
return PCR_AES_RST_EN;
case PERIPH_SHA_MODULE:
if (enable == true) {
// Clear reset on digital signature and HMAC, otherwise SHA is held in reset
return (PCR_SHA_RST_EN | PCR_DS_RST_EN | PCR_HMAC_RST_EN);
} else {
// Don't assert reset on secure boot, otherwise AES is held in reset
return PCR_SHA_RST_EN;
}
if (enable == true) {
// Clear reset on digital signature and HMAC, otherwise SHA is held in reset
CLEAR_PERI_REG_MASK(PCR_DS_CONF_REG, PCR_DS_RST_EN);
CLEAR_PERI_REG_MASK(PCR_HMAC_CONF_REG, PCR_HMAC_RST_EN);
}
return PCR_SHA_RST_EN;
case PERIPH_RSA_MODULE:
if (enable == true) {
/* also clear reset on digital signature, otherwise RSA is held in reset */
return (PCR_RSA_RST_EN | PCR_DS_RST_EN);
} else {
/* don't reset digital signature unit, as this resets AES also */
return PCR_RSA_RST_EN;
}
if (enable == true) {
// Clear reset on digital signature, otherwise RSA is held in reset
CLEAR_PERI_REG_MASK(PCR_DS_CONF_REG, PCR_DS_RST_EN);
}
return PCR_RSA_RST_EN;
case PERIPH_HMAC_MODULE:
return PCR_HMAC_RST_EN;
case PERIPH_DS_MODULE:
@ -304,14 +299,14 @@ static uint32_t periph_ll_get_rst_en_reg(periph_module_t periph)
static inline void periph_ll_enable_clk_clear_rst(periph_module_t periph)
{
DPORT_SET_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, true));
SET_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, true));
}
static inline void periph_ll_disable_clk_set_rst(periph_module_t periph)
{
DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
CLEAR_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
}
static inline void periph_ll_wifi_bt_module_enable_clk_clear_rst(void)
@ -328,14 +323,14 @@ static inline void periph_ll_wifi_bt_module_disable_clk_set_rst(void)
static inline void periph_ll_reset(periph_module_t periph)
{
DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
}
static inline bool periph_ll_periph_enabled(periph_module_t periph)
{
return DPORT_REG_GET_BIT(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false)) == 0 &&
DPORT_REG_GET_BIT(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph)) != 0;
return REG_GET_BIT(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false)) == 0 &&
REG_GET_BIT(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph)) != 0;
}
static inline void periph_ll_wifi_module_enable_clk_clear_rst(void)