fix(esp_system): hp periph clk should not be gated on core/system reset

This commit is contained in:
Song Ruo Jing 2024-11-29 21:36:58 +08:00
parent a0a85db5f5
commit 192f01c65f
3 changed files with 37 additions and 26 deletions

View File

@ -74,6 +74,12 @@ void bootloader_console_init(void)
// Enable the peripheral
uart_ll_enable_bus_clock(uart_num, true);
uart_ll_reset_register(uart_num);
// Set clock source
#if SOC_UART_SUPPORT_XTAL_CLK
uart_ll_set_sclk(UART_LL_GET_HW(uart_num), (soc_module_clk_t)UART_SCLK_XTAL);
#else
uart_ll_set_sclk(UART_LL_GET_HW(uart_num), (soc_module_clk_t)UART_SCLK_APB);
#endif
// Reset TX and RX FIFOs
uart_ll_txfifo_rst(UART_LL_GET_HW(uart_num));
uart_ll_rxfifo_rst(UART_LL_GET_HW(uart_num));

View File

@ -316,8 +316,8 @@ __attribute__((weak)) void esp_perip_clk_init(void)
if ((rst_reason == RESET_REASON_CHIP_POWER_ON) || (rst_reason == RESET_REASON_CHIP_BROWN_OUT) \
|| (rst_reason == RESET_REASON_SYS_RTC_WDT) || (rst_reason == RESET_REASON_SYS_SUPER_WDT)) {
_lp_i2c_ll_enable_bus_clock(0, false);
_lp_uart_ll_enable_bus_clock(0, false);
lp_uart_ll_sclk_disable(0);
_lp_uart_ll_enable_bus_clock(0, false);
lp_core_ll_enable_bus_clock(false);
_lp_clkrst_ll_enable_rng_clock(false);

View File

@ -243,9 +243,9 @@ __attribute__((weak)) void esp_perip_clk_init(void)
}
soc_reset_reason_t rst_reason = esp_rom_get_reset_reason(0);
if ((rst_reason != RESET_REASON_CPU0_SW) && (rst_reason != RESET_REASON_CPU_MWDT) \
&& (rst_reason != RESET_REASON_CPU_RWDT) && (rst_reason != RESET_REASON_CPU_JTAG) \
&& (rst_reason != RESET_REASON_CPU_LOCKUP)) {
// HP related clock control
if ((rst_reason == RESET_REASON_CHIP_POWER_ON) || (rst_reason == RESET_REASON_CORE_PMU_PWR_DOWN)) {
// hp_sys_clkrst register gets reset only if chip reset or pmu powers down hp
_gdma_ll_enable_bus_clock(0, false);
_gdma_ll_enable_bus_clock(1, false);
_pau_ll_enable_bus_clock(false);
@ -356,33 +356,38 @@ __attribute__((weak)) void esp_perip_clk_init(void)
#endif
}
// LP related clock control
if ((rst_reason == RESET_REASON_CHIP_POWER_ON) || (rst_reason == RESET_REASON_SYS_SUPER_WDT) \
|| (rst_reason == RESET_REASON_SYS_RWDT) || (rst_reason == RESET_REASON_SYS_BROWN_OUT)) {
_lp_uart_ll_enable_bus_clock(0, false);
// lpperi,lp peripheral registers get reset for reset level equal or higher than system reset
lp_uart_ll_sclk_disable(0);
_lp_uart_ll_enable_bus_clock(0, false);
_rtcio_ll_enable_io_clock(false);
// LP_Peri & Clock Control
_uart_ll_enable_pad_sleep_clock(&UART0, false);
_uart_ll_enable_pad_sleep_clock(&UART1, false);
_uart_ll_enable_pad_sleep_clock(&UART2, false);
_uart_ll_enable_pad_sleep_clock(&UART3, false);
_uart_ll_enable_pad_sleep_clock(&UART4, false);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_PARLIO_TX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_PARLIO_RX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_I2S2_MCLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_I2S1_MCLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_I2S0_MCLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_EMAC_TX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_EMAC_RX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_EMAC_TXRX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PLL_8M_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_AUDIO_PLL_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_SDIO_PLL2_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_SDIO_PLL1_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_SDIO_PLL0_CLK_EN);
if (rst_reason == RESET_REASON_CHIP_POWER_ON) {
// lp_aon_clkrst, lp_system registers get reset only if chip reset
_uart_ll_enable_pad_sleep_clock(&UART0, false);
_uart_ll_enable_pad_sleep_clock(&UART1, false);
_uart_ll_enable_pad_sleep_clock(&UART2, false);
_uart_ll_enable_pad_sleep_clock(&UART3, false);
_uart_ll_enable_pad_sleep_clock(&UART4, false);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_PARLIO_TX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_PARLIO_RX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_I2S2_MCLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_I2S1_MCLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_I2S0_MCLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_EMAC_TX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_EMAC_RX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PAD_EMAC_TXRX_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_PLL_8M_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_AUDIO_PLL_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_SDIO_PLL2_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_SDIO_PLL1_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_SDIO_PLL0_CLK_EN);
#if !CONFIG_SPIRAM_BOOT_INIT
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_MPLL_500M_CLK_EN);
REG_CLR_BIT(LP_CLKRST_HP_CLK_CTRL_REG, LP_CLKRST_HP_MPLL_500M_CLK_EN);
#endif
REG_CLR_BIT(LP_SYSTEM_REG_HP_ROOT_CLK_CTRL_REG, LP_SYSTEM_REG_CPU_CLK_EN);
REG_CLR_BIT(LP_SYSTEM_REG_HP_ROOT_CLK_CTRL_REG, LP_SYSTEM_REG_CPU_CLK_EN);
}
}
}