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feat(mcpwm): support sleep retention

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This commit is contained in:
Chen Jichang
2024-11-06 17:34:02 +08:00
parent 0eeb544bd2
commit 8e4ff8bcba
32 changed files with 583 additions and 11 deletions
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44
components/soc/esp32c5/mcpwm_periph.c
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@@ -6,6 +6,7 @@
#include "soc/soc.h"
#include "soc/mcpwm_periph.h"
#include "soc/mcpwm_reg.h"
#include "soc/gpio_sig_map.h"
const mcpwm_signal_conn_t mcpwm_periph_signals = {
@@ -81,3 +82,46 @@ const mcpwm_signal_conn_t mcpwm_periph_signals = {
}
}
};
/**
* MCPWM Registers to be saved during sleep retention
* - Clk Configuration registers, e.g.: MCPWM_CLK_CFG_REG
* - Timer Configuration registers, e.g.: MCPWM_TIMER_SYNCI_CFG_REG, MCPWM_TIMER0_CFG0_REG, MCPWM_TIMER0_CFG1_REG, MCPWM_TIMER0_CFG1_REG
* - Operator Configuration registers, e.g.: MCPWM_OPERATOR_TIMERSEL_REG
* |- Generator Configuration registers, e.g.: MCPWM_GEN0_STMP_CFG_REG, MCPWM_GEN0_TSTMP_A_REG, MCPWM_GEN0_TSTMP_B_REG, MCPWM_GEN0_CFG0_REG, MCPWM_GEN0_FORCE_REG, MCPWM_GEN0_A_REG, MCPWM_GEN0_B_REG
* |- Dead Time Configuration registers, e.g.: MCPWM_DT0_CFG_REG, MCPWM_DT0_FED_CFG_REG, MCPWM_DT0_RED_CFG_REG
* |- Carrier Configuration registers, e.g.: MCPWM_CARRIER0_CFG_REG
* └- Fault Handle Configuration registers, e.g.: MCPWM_FAULT_DETECT_REG, MCPWM_FH0_CFG0_REG, MCPWM_FH0_CFG1_REG
* - Capture Timer Configuration registers, e.g.: MCPWM_CAP_TIMER_CFG_REG, MCPWM_CAP_TIMER_PHASE_REG, MCPWM_CAP_CH0_CFG_REG, MCPWM_CAP_CH1_CFG_REG, MCPWM_CAP_CH2_CFG_REG
* - Interrupt enable registers, e.g.: MCPWM_INT_ENA_REG
* - ETM Configurations, e.g.: MCPWM_EVT_EN_REG, MCPWM_EVT_EN2_REG, MCPWM_TASK_EN_REG, MCPWM_OP0_TSTMP_E1_REG, MCPWM_OP0_TSTMP_E2_REG, MCPWM_OP1_TSTMP_E1_REG, MCPWM_OP1_TSTMP_E2_REG, MCPWM_OP2_TSTMP_E1_REG, MCPWM_OP2_TSTMP_E2_REG
* - Misc Configurations, e.g.: MCPWM_UPDATE_CFG_REG
*/
#define MCPWM_RETENTION_REGS_CNT 68
#define MCPWM_RETENTION_REGS_BASE (DR_REG_MCPWM_BASE + 0x0)
static const uint32_t mcpwm_regs_map[4] = {0xefffeeef, 0x7efffbff, 0x1ff18, 0x0};
static const regdma_entries_config_t mcpwm_regs_retention[] = {
// backup stage: save configuration registers
// restore stage: restore the configuration registers
[0] = { .config = REGDMA_LINK_ADDR_MAP_INIT(REGDMA_MCPWM_LINK(0x00),
MCPWM_RETENTION_REGS_BASE, MCPWM_RETENTION_REGS_BASE,
MCPWM_RETENTION_REGS_CNT, 0, 0,
mcpwm_regs_map[0], mcpwm_regs_map[1],
mcpwm_regs_map[2], mcpwm_regs_map[3]),
.owner = ENTRY(0) | ENTRY(2) },
// restore stage: trigger a forced update of all active registers
[1] = { .config = REGDMA_LINK_WRITE_INIT(REGDMA_MCPWM_LINK(0x01),
MCPWM_UPDATE_CFG_REG(0), MCPWM_GLOBAL_FORCE_UP, MCPWM_GLOBAL_FORCE_UP_M, 1, 0),
.owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_WRITE_INIT(REGDMA_MCPWM_LINK(0x02),
MCPWM_UPDATE_CFG_REG(0), 0, MCPWM_GLOBAL_FORCE_UP_M, 1, 0),
.owner = ENTRY(0) | ENTRY(2) },
};
const mcpwm_reg_retention_info_t mcpwm_reg_retention_info[SOC_MCPWM_GROUPS] = {
[0] = {
.regdma_entry_array = mcpwm_regs_retention,
.array_size = ARRAY_SIZE(mcpwm_regs_retention),
.retention_module = SLEEP_RETENTION_MODULE_MCPWM0
},
};