From 727d0a687f6a1460e08baf96eadd1ee93b3e8bc5 Mon Sep 17 00:00:00 2001 From: wuzhenghui Date: Tue, 18 Feb 2025 10:43:38 +0800 Subject: [PATCH] feat(hal): support esp32h21 pau hal layer --- .../hal/esp32h21/include/hal/lp_aon_ll.h | 138 +++++++++++++++++ components/hal/esp32h21/include/hal/pau_ll.h | 142 ++++++++++++++++++ components/hal/esp32h21/pau_hal.c | 82 ++++++++++ 3 files changed, 362 insertions(+) create mode 100644 components/hal/esp32h21/include/hal/lp_aon_ll.h create mode 100644 components/hal/esp32h21/include/hal/pau_ll.h create mode 100644 components/hal/esp32h21/pau_hal.c diff --git a/components/hal/esp32h21/include/hal/lp_aon_ll.h b/components/hal/esp32h21/include/hal/lp_aon_ll.h new file mode 100644 index 0000000000..64e8164180 --- /dev/null +++ b/components/hal/esp32h21/include/hal/lp_aon_ll.h @@ -0,0 +1,138 @@ +/* + * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +// The LL layer for ESP32-H21 LP_AON register operations + +#pragma once + +#include +#include "soc/soc.h" +#include "soc/lp_aon_struct.h" +#include "hal/misc.h" +#include "esp32h21/rom/rtc.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief Get ext1 wakeup source status + * @return The lower 8 bits of the returned value are the bitmap of + * the wakeup source status, bit 0~7 corresponds to LP_IO 0~7 + */ +static inline uint32_t lp_aon_ll_ext1_get_wakeup_status(void) +{ + return HAL_FORCE_READ_U32_REG_FIELD(LP_AON.ext_wakeup_cntl, aon_ext_wakeup_status); +} + +/** + * @brief Clear the ext1 wakeup source status + */ +static inline void lp_aon_ll_ext1_clear_wakeup_status(void) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.ext_wakeup_cntl, aon_ext_wakeup_status_clr, 1); +} + +/** + * @brief Set the wake-up LP_IO of the ext1 wake-up source + * @param io_mask wakeup LP_IO bitmap, bit 0~7 corresponds to LP_IO 0~7 + * @param level_mask LP_IO wakeup level bitmap, bit 0~7 corresponds to LP_IO 0~7 wakeup level + * each bit's corresponding position is set to 0, the wakeup level will be low + * on the contrary, each bit's corresponding position is set to 1, the wakeup + * level will be high + */ +static inline void lp_aon_ll_ext1_set_wakeup_pins(uint32_t io_mask, uint32_t level_mask) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.ext_wakeup_cntl, aon_ext_wakeup_sel, io_mask); + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.ext_wakeup_cntl, aon_ext_wakeup_lv, level_mask); +} + +/** + * @brief Clear all ext1 wakup-source setting + */ +static inline void lp_aon_ll_ext1_clear_wakeup_pins(void) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.ext_wakeup_cntl, aon_ext_wakeup_sel, 0); +} + +/** + * @brief Get ext1 wakeup source setting + * @return The lower 8 bits of the returned value are the bitmap of + * the wakeup source status, bit 0~7 corresponds to LP_IO 0~7 + */ +static inline uint32_t lp_aon_ll_ext1_get_wakeup_pins(void) +{ + return HAL_FORCE_READ_U32_REG_FIELD(LP_AON.ext_wakeup_cntl, aon_ext_wakeup_sel); +} + + +/** + * @brief ROM obtains the wake-up type through LP_AON_STORE9_REG[0]. + * Set the flag to inform + * @param true: deepsleep false: lightsleep + */ +static inline void lp_aon_ll_inform_wakeup_type(bool dslp) +{ + if (dslp) { + REG_SET_BIT(RTC_SLEEP_MODE_REG, BIT(0)); /* Tell rom to run deep sleep wake stub */ + + } else { + REG_CLR_BIT(RTC_SLEEP_MODE_REG, BIT(0)); /* Tell rom to run light sleep wake stub */ + } +} + +/** + * @brief Set the maximum number of linked lists supported by REGDMA + * @param count: the maximum number of regdma link + */ +static inline void lp_aon_ll_set_regdma_link_count(int count) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.backup_dma_cfg0, aon_branch_link_length_aon, count); +} + +/** + * @brief Set the maximum number of times a single linked list can run for REGDMA. If a linked list continuously reads in a loop + * for some reason and the execution count exceeds this configured number, a timeout will be triggered. + * @param count: the maximum number of loop + */ +static inline void lp_aon_ll_set_regdma_link_loop_threshold(int count) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.backup_dma_cfg1, aon_link_work_tout_thres_aon, count); +} + +/** + * @brief Set the timeout duration for accessing registers. If REGDMA encounters bus-related issues while accessing + * registers and gets stuck on the bus, a timeout will be triggered. + * @param count: the maximum number of time + */ +static inline void lp_aon_ll_set_regdma_link_reg_access_tout_threshold(int count) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.backup_dma_cfg1, aon_link_backup_tout_thres_aon, count); +} + +/** + * @brief Set the regdma_link_addr + * @param addr: the addr of regdma_link + */ +static inline void lp_aon_ll_set_regdma_link_addr(uint32_t addr) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.backup_dma_cfg2, aon_link_addr_aon, addr); +} + +static inline void lp_aon_ll_set_regdma_link_wait_retry_count(int count) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.backup_dma_cfg1, aon_link_wait_tout_thres_aon, count); +} + +static inline void lp_aon_ll_set_regdma_link_wait_read_interval(int interval) +{ + HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.backup_dma_cfg0, aon_read_interval_aon, interval); +} + +#ifdef __cplusplus +} +#endif diff --git a/components/hal/esp32h21/include/hal/pau_ll.h b/components/hal/esp32h21/include/hal/pau_ll.h new file mode 100644 index 0000000000..d927070687 --- /dev/null +++ b/components/hal/esp32h21/include/hal/pau_ll.h @@ -0,0 +1,142 @@ +/* + * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +// The LL layer for ESP32-H21 PAU(Power Assist Unit) register operations + +#pragma once + +#include +#include +#include "soc/soc.h" +#include "soc/pau_reg.h" +#include "soc/pau_struct.h" +#include "soc/pcr_struct.h" +#include "hal/pau_types.h" +#include "hal/assert.h" + +#ifdef __cplusplus +extern "C" { +#endif + +static inline void pau_ll_enable_bus_clock(bool enable) +{ + if (enable) { + PCR.regdma_conf.regdma_clk_en = 1; + PCR.regdma_conf.regdma_rst_en = 0; + } else { + PCR.regdma_conf.regdma_clk_en = 0; + PCR.regdma_conf.regdma_rst_en = 1; + } +} + +static inline uint32_t pau_ll_get_regdma_backup_flow_error(pau_dev_t *dev) +{ + return dev->regdma_conf.flow_err; +} + +static inline void pau_ll_select_regdma_entry_link(pau_dev_t *dev, int link) +{ + dev->regdma_conf.link_sel = link; +} + +static inline void pau_ll_set_regdma_entry_link_backup_direction(pau_dev_t *dev, bool to_mem) +{ + dev->regdma_conf.to_mem = to_mem ? 1 : 0; +} + +static inline void pau_ll_set_regdma_entry_link_backup_start_enable(pau_dev_t *dev) +{ + dev->regdma_conf.start = 1; +} + +static inline void pau_ll_set_regdma_entry_link_backup_start_disable(pau_dev_t *dev) +{ + dev->regdma_conf.start = 0; +} + +static inline void pau_ll_set_regdma_select_wifimac_link(pau_dev_t *dev) +{ + dev->regdma_conf.sel_mac = 1; +} + +static inline void pau_ll_set_regdma_deselect_wifimac_link(pau_dev_t *dev) +{ + dev->regdma_conf.sel_mac = 0; +} + +static inline void pau_ll_set_regdma_wifimac_link_backup_direction(pau_dev_t *dev, bool to_mem) +{ + dev->regdma_conf.to_mem_mac = to_mem ? 1 : 0; +} + +static inline void pau_ll_set_regdma_wifimac_link_backup_start_enable(pau_dev_t *dev) +{ + dev->regdma_conf.start_mac = 1; +} + +static inline void pau_ll_set_regdma_wifimac_link_backup_start_disable(pau_dev_t *dev) +{ + dev->regdma_conf.start_mac = 0; +} + +static inline uint32_t pau_ll_get_regdma_current_link_addr(pau_dev_t *dev) +{ + return dev->regdma_current_link_addr.val; +} + +static inline uint32_t pau_ll_get_regdma_backup_addr(pau_dev_t *dev) +{ + return dev->regdma_peri_addr.val; +} + +static inline uint32_t pau_ll_get_regdma_memory_addr(pau_dev_t *dev) +{ + return dev->regdma_mem_addr.val; +} + +static inline uint32_t pau_ll_get_regdma_intr_raw_signal(pau_dev_t *dev) +{ + return dev->int_raw.val; +} + +static inline uint32_t pau_ll_get_regdma_intr_status(pau_dev_t *dev) +{ + return dev->int_st.val; +} + +static inline void pau_ll_set_regdma_backup_done_intr_enable(pau_dev_t *dev) +{ + dev->int_ena.done_int_ena = 1; +} + +static inline void pau_ll_set_regdma_backup_done_intr_disable(pau_dev_t *dev) +{ + dev->int_ena.done_int_ena = 0; +} + +static inline void pau_ll_set_regdma_backup_error_intr_enable(pau_dev_t *dev) +{ + dev->int_ena.error_int_ena = 1; +} + +static inline void pau_ll_set_regdma_backup_error_intr_disable(pau_dev_t *dev) +{ + dev->int_ena.error_int_ena = 0; +} + +static inline void pau_ll_clear_regdma_backup_done_intr_state(pau_dev_t *dev) +{ + dev->int_clr.done_int_clr = 1; +} + +static inline void pau_ll_clear_regdma_backup_error_intr_state(pau_dev_t *dev) +{ + dev->int_clr.error_int_clr = 1; +} + +#ifdef __cplusplus +} +#endif diff --git a/components/hal/esp32h21/pau_hal.c b/components/hal/esp32h21/pau_hal.c new file mode 100644 index 0000000000..05da12e136 --- /dev/null +++ b/components/hal/esp32h21/pau_hal.c @@ -0,0 +1,82 @@ +/* + * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +// The HAL layer for PAU (ESP32-H21 specific part) + +#include "soc/soc.h" +#include "soc/pcr_struct.h" +#include "esp_attr.h" +#include "hal/misc.h" +#include "hal/pau_hal.h" +#include "hal/pau_types.h" +#include "hal/lp_aon_ll.h" + +void pau_hal_set_regdma_entry_link_addr(pau_hal_context_t *hal, pau_regdma_link_addr_t *link_addr) +{ + lp_aon_ll_set_regdma_link_addr((uint32_t)(*link_addr)[0]); +} + +void IRAM_ATTR pau_hal_start_regdma_modem_link(pau_hal_context_t *hal, bool backup_or_restore) +{ + pau_ll_clear_regdma_backup_done_intr_state(hal->dev); + pau_ll_set_regdma_select_wifimac_link(hal->dev); + pau_ll_set_regdma_wifimac_link_backup_direction(hal->dev, backup_or_restore); + pau_ll_set_regdma_wifimac_link_backup_start_enable(hal->dev); + + while (!(pau_ll_get_regdma_intr_raw_signal(hal->dev) & PAU_DONE_INT_RAW)); +} + +void IRAM_ATTR pau_hal_stop_regdma_modem_link(pau_hal_context_t *hal) +{ + pau_ll_set_regdma_wifimac_link_backup_start_disable(hal->dev); + pau_ll_set_regdma_deselect_wifimac_link(hal->dev); + pau_ll_clear_regdma_backup_done_intr_state(hal->dev); +} + +void IRAM_ATTR pau_hal_start_regdma_extra_link(pau_hal_context_t *hal, bool backup_or_restore) +{ + pau_ll_clear_regdma_backup_done_intr_state(hal->dev); + /* The link 3 of REGDMA is reserved, we use it as an extra linked list to + * provide backup and restore services for BLE, IEEE802.15.4 and possibly + * other modules. + * It is also used as software trigger REGDMA to backup and restore, and is + * used by the UT to test module driver retention function. + */ + pau_ll_select_regdma_entry_link(hal->dev, 3); + pau_ll_set_regdma_entry_link_backup_direction(hal->dev, backup_or_restore); + pau_ll_set_regdma_entry_link_backup_start_enable(hal->dev); + + while (!(pau_ll_get_regdma_intr_raw_signal(hal->dev) & PAU_DONE_INT_RAW)); +} + +void IRAM_ATTR pau_hal_stop_regdma_extra_link(pau_hal_context_t *hal) +{ + pau_ll_set_regdma_entry_link_backup_start_disable(hal->dev); + pau_ll_select_regdma_entry_link(hal->dev, 0); /* restore link select to default */ + pau_ll_clear_regdma_backup_done_intr_state(hal->dev); +} + +#if SOC_PM_PAU_REGDMA_LINK_CONFIGURABLE +void pau_hal_regdma_link_count_config(pau_hal_context_t *hal, int count) +{ + HAL_ASSERT(count > 0); + lp_aon_ll_set_regdma_link_count(count - 1); +} +#endif + +void pau_hal_set_regdma_work_timeout(pau_hal_context_t *hal, uint32_t loop_num, uint32_t time) +{ + HAL_ASSERT(loop_num > 0 && time > 0); + lp_aon_ll_set_regdma_link_loop_threshold(loop_num); + lp_aon_ll_set_regdma_link_reg_access_tout_threshold(time); +} + +void pau_hal_set_regdma_wait_timeout(pau_hal_context_t *hal, int count, int interval) +{ + HAL_ASSERT(count > 0 && interval > 0); + lp_aon_ll_set_regdma_link_wait_retry_count(count); + lp_aon_ll_set_regdma_link_wait_read_interval(interval); +}