1 /* 2 * Copyright (c) 2019 Microchip Technology Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef __DEVICE_POWER_H 8 #define __DEVICE_POWER_H 9 10 #ifndef _ASMLANGUAGE 11 12 #define DEBUG_SLEEP 13 #define DEBUG_DEEP_SLEEP_CLK_REQ 14 15 /* 16 * Disable UART deep sleep save/restore. If a UART TX FIFO has data on deep 17 * sleep entry it will de-assert its CLK_REQ once TX FIFO empties. If the 18 * UART has TX empty interrupt enabled then the system will wake. 19 */ 20 /* #define DEEP_SLEEP_UART_SAVE_RESTORE */ 21 22 /* Comment out to use JTAG without interruptions. 23 * Beware this blocks PLL going off, hence should be enabled 24 * for power consumption measurements 25 * Note: To attach JTAG for any debug need to be performed with breakpoint 26 * prior to deep sleep entry. 27 */ 28 /* #define DEEP_SLEEP_JTAG */ 29 30 /* 31 * Enabling this would take a snapshot from clock requested values, 32 * these can be dump on exit to identify which HW block is blocking. 33 */ 34 #define DEEP_SLEEP_CLK_REQ_DUMP 35 36 /* 37 * Some peripherals if enabled always assert their CLK_REQ bits. 38 * For example, any peripheral with a clock generator such as 39 * timers, counters, UART, etc. We save the enables for these 40 * peripherals, disable them, and restore the enabled state upon 41 * wake. 42 */ 43 #define DEEP_SLEEP_PERIPH_SAVE_RESTORE 44 45 /* Power optimization if certain HW blocks are not used. 46 * These are not part of any Zephyr subsystem. 47 * #define DEEP_SLEEP_PERIPH_SAVE_RESTORE_EXTENDED 48 */ 49 #define DEEP_SLEEP_PERIPH_SAVE_RESTORE_EXTENDED 50 51 #define NUM_DS_TIMER_ENTRIES 6 52 53 struct ds_timer_info { 54 uintptr_t addr; 55 uint32_t stop_mask; 56 uint32_t restore_mask; 57 }; 58 59 struct ds_peci_info { 60 uint32_t peci_ctrl; 61 uint32_t peci_dis; 62 }; 63 64 struct ds_dev_info { 65 uint32_t ecs[2]; 66 uint32_t timers[NUM_DS_TIMER_ENTRIES]; 67 #ifdef DEEP_SLEEP_UART_SAVE_RESTORE 68 uint8_t uart_info[MCHP_UART_INSTANCES]; 69 #endif 70 /* Analog power */ 71 #ifdef CONFIG_PECI 72 struct ds_peci_info peci_info; 73 #endif 74 #ifdef CONFIG_I2C 75 uint32_t smb_info[MCHP_I2C_SMB_INSTANCES]; 76 #endif 77 uint32_t slwclk_info; 78 uint8_t tfdp_en; 79 uint8_t comp_en; 80 }; 81 82 void soc_deep_sleep_periph_save(void); 83 void soc_deep_sleep_periph_restore(void); 84 void soc_deep_sleep_non_wake_en(void); 85 void soc_deep_sleep_non_wake_dis(void); 86 void soc_deep_sleep_wake_en(void); 87 void soc_deep_sleep_wake_dis(void); 88 89 #ifdef DEBUG_DEEP_SLEEP_CLK_REQ 90 void soc_debug_sleep_clk_req(void); 91 #endif 92 93 #endif /* _ASMLANGUAGE */ 94 #endif /* __DEVICE_POWER_H */ 95
