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change(esp_hw_support): support wifi modem state for esp32c5

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Li Shuai
2024-09-19 20:04:44 +08:00
parent eeb55c3f04
commit dad039e27f
8 changed files with 224 additions and 40 deletions
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components/esp_hw_support/lowpower/port/esp32c5/sleep_clock.c
+33 -2
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@@ -6,6 +6,7 @@
#include "esp_private/sleep_clock.h"
#include "soc/pcr_reg.h"
#include "soc/rtc.h"
#include "modem/modem_syscon_reg.h"
#include "modem/modem_lpcon_reg.h"
#include "soc/i2c_ana_mst_reg.h"
@@ -14,13 +15,43 @@ static const char *TAG = "sleep_clock";
esp_err_t sleep_clock_system_retention_init(void *arg)
{
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
const static sleep_retention_entries_config_t pcr_regs_retention[] = {
[0] = { .config = REGDMA_LINK_ADDR_MAP_INIT(REGDMA_PCR_LINK(0), DR_REG_PCR_BASE, DR_REG_PCR_BASE, 74, 0, 0, 0xffffffff, 0xffffffff, 0x7f7, 0x0), .owner = ENTRY(0) | ENTRY(1) },
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(0), PCR_AHB_FREQ_CONF_REG, 0, PCR_AHB_DIV_NUM, 1, 0), .owner = ENTRY(0) | ENTRY(1) }, /* Set AHB bus frequency to XTAL frequency */
[1] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(1), PCR_BUS_CLK_UPDATE_REG, 1, PCR_BUS_CLOCK_UPDATE, 1, 0), .owner = ENTRY(0) | ENTRY(1) },
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
[2] = { .config = REGDMA_LINK_ADDR_MAP_INIT(REGDMA_PCR_LINK(2), DR_REG_PCR_BASE, DR_REG_PCR_BASE, 74, 0, 0, 0xffffffff, 0xffffffff, 0x7f7, 0x0), .owner = ENTRY(0) | ENTRY(1) },
#endif
};
esp_err_t err = sleep_retention_entries_create(pcr_regs_retention, ARRAY_SIZE(pcr_regs_retention), REGDMA_LINK_PRI_SYS_CLK, SLEEP_RETENTION_MODULE_CLOCK_SYSTEM);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for system (PCR) retention");
const static sleep_retention_entries_config_t modem_ahb_config[] = {
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(3), PCR_AHB_FREQ_CONF_REG, 3, PCR_AHB_DIV_NUM, 1, 0), .owner = ENTRY(1) }, /* Set AHB bus frequency to 40 MHz under PMU MODEM state */
[1] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(4), PCR_BUS_CLK_UPDATE_REG, 1, PCR_BUS_CLOCK_UPDATE, 1, 0), .owner = ENTRY(1) },
};
err = sleep_retention_entries_create(modem_ahb_config, ARRAY_SIZE(modem_ahb_config), REGDMA_LINK_PRI_4, SLEEP_RETENTION_MODULE_CLOCK_SYSTEM);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for system (PCR) retention, 4 level priority");
#if SOC_PM_SUPPORT_PMU_MODEM_STATE && CONFIG_ESP_WIFI_ENHANCED_LIGHT_SLEEP && CONFIG_XTAL_FREQ_AUTO
uint32_t xtal_freq_mhz = (uint32_t)rtc_clk_xtal_freq_get();
if (xtal_freq_mhz == SOC_XTAL_FREQ_48M) {
/* For the 48 MHz main XTAL, we need regdma to configured BBPLL by exec
* the PHY_I2C_MST_CMD_TYPE_BBPLL_CFG command from PHY i2c master
* command memory */
sleep_retention_entries_config_t bbpll_config[] = {
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(5), MODEM_LPCON_CLK_CONF_REG, MODEM_LPCON_CLK_I2C_MST_EN, MODEM_LPCON_CLK_I2C_MST_EN_M, 1, 0), .owner = ENTRY(1) }, /* I2C MST enable */
[1] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(6), I2C_ANA_MST_I2C_BURST_CONF_REG, 0, 0xffffffff, 1, 0), .owner = ENTRY(1) },
[2] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_PCR_LINK(7), I2C_ANA_MST_I2C_BURST_STATUS_REG, I2C_ANA_MST_BURST_DONE, 0x1, 1, 0), .owner = ENTRY(1) },
[3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_PCR_LINK(8), MODEM_LPCON_CLK_CONF_REG, 0, MODEM_LPCON_CLK_I2C_MST_EN_M, 1, 0), .owner = ENTRY(1) }, /* I2C MST disable */
};
extern uint32_t phy_ana_i2c_master_burst_bbpll_config(void);
bbpll_config[1].config.write_wait.value = phy_ana_i2c_master_burst_bbpll_config();
err = sleep_retention_entries_create(bbpll_config, ARRAY_SIZE(bbpll_config), REGDMA_LINK_PRI_SYS_CLK, SLEEP_RETENTION_MODULE_CLOCK_SYSTEM);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for bbpll configure, 0 level priority");
}
#endif
ESP_LOGI(TAG, "System Power, Clock and Reset sleep retention initialization");
return ESP_OK;
}