95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Copyright (c) 2019 Microchip Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __DEVICE_POWER_H
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#define __DEVICE_POWER_H
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#ifndef _ASMLANGUAGE
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#define DEBUG_SLEEP
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#define DEBUG_DEEP_SLEEP_CLK_REQ
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/*
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* Disable UART deep sleep save/restore. If a UART TX FIFO has data on deep
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* sleep entry it will de-assert its CLK_REQ once TX FIFO empties. If the
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* UART has TX empty interrupt enabled then the system will wake.
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*/
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/* #define DEEP_SLEEP_UART_SAVE_RESTORE */
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/* Comment out to use JTAG without interruptions.
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* Beware this blocks PLL going off, hence should be enabled
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* for power consumption measurements
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* Note: To attach JTAG for any debug need to be performed with breakpoint
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* prior to deep sleep entry.
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*/
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/* #define DEEP_SLEEP_JTAG */
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/*
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* Enabling this would take a snapshot from clock requested values,
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* these can be dump on exit to identify which HW block is blocking.
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*/
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#define DEEP_SLEEP_CLK_REQ_DUMP
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/*
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* Some peripherals if enabled always assert their CLK_REQ bits.
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* For example, any peripheral with a clock generator such as
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* timers, counters, UART, etc. We save the enables for these
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* peripherals, disable them, and restore the enabled state upon
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* wake.
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*/
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#define DEEP_SLEEP_PERIPH_SAVE_RESTORE
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/* Power optimization if certain HW blocks are not used.
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* These are not part of any Zephyr subsystem.
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* #define DEEP_SLEEP_PERIPH_SAVE_RESTORE_EXTENDED
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*/
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#define DEEP_SLEEP_PERIPH_SAVE_RESTORE_EXTENDED
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#define NUM_DS_TIMER_ENTRIES 6
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struct ds_timer_info {
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uintptr_t addr;
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uint32_t stop_mask;
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uint32_t restore_mask;
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};
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struct ds_peci_info {
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uint32_t peci_ctrl;
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uint32_t peci_dis;
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};
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struct ds_dev_info {
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uint32_t ecs[2];
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uint32_t timers[NUM_DS_TIMER_ENTRIES];
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#ifdef DEEP_SLEEP_UART_SAVE_RESTORE
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uint8_t uart_info[MCHP_UART_INSTANCES];
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#endif
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/* Analog power */
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#ifdef CONFIG_PECI
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struct ds_peci_info peci_info;
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#endif
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#ifdef CONFIG_I2C
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uint32_t smb_info[MCHP_I2C_SMB_INSTANCES];
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#endif
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uint32_t slwclk_info;
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uint8_t tfdp_en;
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uint8_t comp_en;
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};
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void soc_deep_sleep_periph_save(void);
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void soc_deep_sleep_periph_restore(void);
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void soc_deep_sleep_non_wake_en(void);
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void soc_deep_sleep_non_wake_dis(void);
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void soc_deep_sleep_wake_en(void);
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void soc_deep_sleep_wake_dis(void);
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#ifdef DEBUG_DEEP_SLEEP_CLK_REQ
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void soc_debug_sleep_clk_req(void);
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#endif
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#endif /* _ASMLANGUAGE */
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#endif /* __DEVICE_POWER_H */
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