diff options
Diffstat (limited to 'tinyusb/hw/mcu/dialog/da1469x/src/da1469x_clock.c')
| m--------- | tinyusb | 0 | ||||
| -rwxr-xr-x | tinyusb/hw/mcu/dialog/da1469x/src/da1469x_clock.c | 159 |
2 files changed, 0 insertions, 159 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/hw/mcu/dialog/da1469x/src/da1469x_clock.c b/tinyusb/hw/mcu/dialog/da1469x/src/da1469x_clock.c deleted file mode 100755 index 6b4f0e6c..00000000 --- a/tinyusb/hw/mcu/dialog/da1469x/src/da1469x_clock.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -#include <assert.h> -#include <stdbool.h> -#include <stdint.h> -#include "syscfg/syscfg.h" -#include "mcu/da1469x_hal.h" -#include "mcu/da1469x_clock.h" - -static inline bool -da1469x_clock_is_xtal32m_settled(void) -{ - return ((*(uint32_t *)0x5001001c & 0xff00) == 0) && - ((*(uint32_t *)0x50010054 & 0x000f) != 0xb); -} - -void -da1469x_clock_sys_xtal32m_init(void) -{ - uint32_t reg; - int xtalrdy_cnt; - - /* Number of lp_clk cycles (~30.5us) */ - xtalrdy_cnt = MYNEWT_VAL(MCU_CLOCK_XTAL32M_SETTLE_TIME_US) * 10 / 305; - - reg = CRG_XTAL->XTALRDY_CTRL_REG; - reg &= ~(CRG_XTAL_XTALRDY_CTRL_REG_XTALRDY_CLK_SEL_Msk | - CRG_XTAL_XTALRDY_CTRL_REG_XTALRDY_CNT_Msk); - reg |= xtalrdy_cnt; - CRG_XTAL->XTALRDY_CTRL_REG = reg; -} - -void -da1469x_clock_sys_xtal32m_enable(void) -{ - PDC->PDC_CTRL0_REG = (2 << PDC_PDC_CTRL0_REG_TRIG_SELECT_Pos) | - (15 << PDC_PDC_CTRL0_REG_TRIG_ID_Pos) | - (1 << PDC_PDC_CTRL0_REG_PDC_MASTER_Pos) | - (1 << PDC_PDC_CTRL0_REG_EN_XTAL_Pos); - - PDC->PDC_SET_PENDING_REG = 0; - PDC->PDC_ACKNOWLEDGE_REG = 0; -} - -void -da1469x_clock_sys_xtal32m_switch(void) -{ - if (CRG_TOP->CLK_CTRL_REG & CRG_TOP_CLK_CTRL_REG_RUNNING_AT_RC32M_Msk) { - CRG_TOP->CLK_SWITCH2XTAL_REG = CRG_TOP_CLK_SWITCH2XTAL_REG_SWITCH2XTAL_Msk; - } else { - CRG_TOP->CLK_CTRL_REG &= ~CRG_TOP_CLK_CTRL_REG_SYS_CLK_SEL_Msk; - } - - while (!(CRG_TOP->CLK_CTRL_REG & CRG_TOP_CLK_CTRL_REG_RUNNING_AT_XTAL32M_Msk)); -} - -void -da1469x_clock_sys_xtal32m_wait_to_settle(void) -{ - uint32_t primask; - - __HAL_DISABLE_INTERRUPTS(primask); - - NVIC_ClearPendingIRQ(XTAL32M_RDY_IRQn); - - if (!da1469x_clock_is_xtal32m_settled()) { - NVIC_EnableIRQ(XTAL32M_RDY_IRQn); - while (!NVIC_GetPendingIRQ(XTAL32M_RDY_IRQn)) { - __WFI(); - } - NVIC_DisableIRQ(XTAL32M_RDY_IRQn); - } - - __HAL_ENABLE_INTERRUPTS(primask); -} - -void -da1469x_clock_sys_xtal32m_switch_safe(void) -{ - da1469x_clock_sys_xtal32m_wait_to_settle(); - - da1469x_clock_sys_xtal32m_switch(); -} - -void -da1469x_clock_sys_rc32m_disable(void) -{ - CRG_TOP->CLK_RC32M_REG &= ~CRG_TOP_CLK_RC32M_REG_RC32M_ENABLE_Msk; -} - -void -da1469x_clock_lp_xtal32k_enable(void) -{ - CRG_TOP->CLK_XTAL32K_REG |= CRG_TOP_CLK_XTAL32K_REG_XTAL32K_ENABLE_Msk; -} - -void -da1469x_clock_lp_xtal32k_switch(void) -{ - CRG_TOP->CLK_CTRL_REG = (CRG_TOP->CLK_CTRL_REG & - ~CRG_TOP_CLK_CTRL_REG_LP_CLK_SEL_Msk) | - (2 << CRG_TOP_CLK_CTRL_REG_LP_CLK_SEL_Pos); -} - -void -da1469x_clock_pll_disable(void) -{ - while (CRG_TOP->CLK_CTRL_REG & CRG_TOP_CLK_CTRL_REG_RUNNING_AT_PLL96M_Msk) { - CRG_TOP->CLK_SWITCH2XTAL_REG = CRG_TOP_CLK_SWITCH2XTAL_REG_SWITCH2XTAL_Msk; - } - - CRG_XTAL->PLL_SYS_CTRL1_REG &= ~CRG_XTAL_PLL_SYS_CTRL1_REG_PLL_EN_Msk; -} - -void -da1469x_clock_pll_wait_to_lock(void) -{ - uint32_t primask; - - __HAL_DISABLE_INTERRUPTS(primask); - - NVIC_ClearPendingIRQ(PLL_LOCK_IRQn); - - if (!da1469x_clock_is_pll_locked()) { - NVIC_EnableIRQ(PLL_LOCK_IRQn); - while (!NVIC_GetPendingIRQ(PLL_LOCK_IRQn)) { - __WFI(); - } - NVIC_DisableIRQ(PLL_LOCK_IRQn); - } - - __HAL_ENABLE_INTERRUPTS(primask); -} - -void -da1469x_clock_sys_pll_switch(void) -{ - /* CLK_SEL_Msk == 3 means PLL */ - CRG_TOP->CLK_CTRL_REG |= CRG_TOP_CLK_CTRL_REG_SYS_CLK_SEL_Msk; - - while (!(CRG_TOP->CLK_CTRL_REG & CRG_TOP_CLK_CTRL_REG_RUNNING_AT_PLL96M_Msk)); -} |