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/*
* The MIT License (MIT)
*
* Copyright (c) 2018, hathach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
/* metadata:
manufacturer: NXP
*/
#include "bsp/board_api.h"
#include "fsl_device_registers.h"
#include "fsl_gpio.h"
#include "fsl_lpuart.h"
#include "board.h"
#include "pin_mux.h"
#include "clock_config.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
#if CFG_TUSB_MCU == OPT_MCU_MCXN9
void USB0_FS_IRQHandler(void) {
tusb_int_handler(0, true);
}
void USB1_HS_IRQHandler(void) {
tusb_int_handler(1, true);
}
#elif CFG_TUSB_MCU == OPT_MCU_MCXA15
void USB0_IRQHandler(void) {
tusb_int_handler(0, true);
}
#endif
void board_init(void) {
BOARD_InitBootPins();
BOARD_InitBootClocks();
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#elif CFG_TUSB_OS == OPT_OS_FREERTOS
// Explicitly disable systick to prevent its ISR from running before scheduler start
SysTick->CTRL &= ~1U;
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
#if CFG_TUSB_MCU == OPT_MCU_MCXN9
NVIC_SetPriority(USB0_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB1_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#else
NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
#endif
// LED
CLOCK_EnableClock(LED_CLK);
gpio_pin_config_t led_config = {kGPIO_DigitalOutput, 0};
GPIO_PinInit(LED_GPIO, LED_PIN, &led_config);
board_led_write(0);
#ifdef NEOPIXEL_PIN
// No neo pixel support yet
#endif
// Button
#ifdef BUTTON_GPIO
CLOCK_EnableClock(BUTTON_CLK);
gpio_pin_config_t const button_config = {kGPIO_DigitalInput, 0};
GPIO_PinInit(BUTTON_GPIO, BUTTON_PIN, &button_config);
#endif
#ifdef UART_DEV
// Enable UART when debug log is on
board_uart_init_clock();
lpuart_config_t uart_config;
LPUART_GetDefaultConfig(&uart_config);
uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
uart_config.enableTx = true;
uart_config.enableRx = true;
LPUART_Init(UART_DEV, &uart_config, 12000000u);
#endif
// USB VBUS
/* PORT0 PIN22 configured as USB0_VBUS */
#if defined(BOARD_TUD_RHPORT) && BOARD_TUD_RHPORT == 0
// Port0 is Full Speed
#if CFG_TUSB_MCU == OPT_MCU_MCXA15
RESET_PeripheralReset(kUSB0_RST_SHIFT_RSTn);
#elif CFG_TUSB_MCU == OPT_MCU_MCXN9
CLOCK_AttachClk(kCLK_48M_to_USB0);
CLOCK_EnableClock(kCLOCK_Usb0Ram);
CLOCK_EnableClock(kCLOCK_Usb0Fs);
#endif
CLOCK_EnableUsbfsClock();
#endif
#if defined(BOARD_TUD_RHPORT) && BOARD_TUD_RHPORT == 1 && (CFG_TUSB_MCU == OPT_MCU_MCXN9)
// Port1 is High Speed
// Power
SPC0->ACTIVE_VDELAY = 0x0500;
/* Change the power DCDC to 1.8v (By default, DCDC is 1.8V), CORELDO to 1.1v (By default, CORELDO is 1.0V) */
SPC0->ACTIVE_CFG &= ~SPC_ACTIVE_CFG_CORELDO_VDD_DS_MASK;
SPC0->ACTIVE_CFG |= SPC_ACTIVE_CFG_DCDC_VDD_LVL(0x3) | SPC_ACTIVE_CFG_CORELDO_VDD_LVL(0x3) |
SPC_ACTIVE_CFG_SYSLDO_VDD_DS_MASK | SPC_ACTIVE_CFG_DCDC_VDD_DS(0x2u);
/* Wait until it is done */
while (SPC0->SC & SPC_SC_BUSY_MASK) {}
if (0u == (SCG0->LDOCSR & SCG_LDOCSR_LDOEN_MASK)) {
SCG0->TRIM_LOCK = 0x5a5a0001U;
SCG0->LDOCSR |= SCG_LDOCSR_LDOEN_MASK;
/* wait LDO ready */
while (0U == (SCG0->LDOCSR & SCG_LDOCSR_VOUT_OK_MASK));
}
SYSCON->AHBCLKCTRLSET[2] |= SYSCON_AHBCLKCTRL2_USB_HS_MASK | SYSCON_AHBCLKCTRL2_USB_HS_PHY_MASK;
SCG0->SOSCCFG &= ~(SCG_SOSCCFG_RANGE_MASK | SCG_SOSCCFG_EREFS_MASK);
/* xtal = 20 ~ 30MHz */
SCG0->SOSCCFG = (1U << SCG_SOSCCFG_RANGE_SHIFT) | (1U << SCG_SOSCCFG_EREFS_SHIFT);
SCG0->SOSCCSR |= SCG_SOSCCSR_SOSCEN_MASK;
while (1) {
if (SCG0->SOSCCSR & SCG_SOSCCSR_SOSCVLD_MASK) {
break;
}
}
// Clock
SYSCON->CLOCK_CTRL |= SYSCON_CLOCK_CTRL_CLKIN_ENA_MASK | SYSCON_CLOCK_CTRL_CLKIN_ENA_FM_USBH_LPT_MASK;
CLOCK_EnableClock(kCLOCK_UsbHs);
CLOCK_EnableClock(kCLOCK_UsbHsPhy);
CLOCK_EnableUsbhsPhyPllClock(kCLOCK_Usbphy480M, 24000000U);
CLOCK_EnableUsbhsClock();
// USB PHY
#if ((!(defined FSL_FEATURE_SOC_CCM_ANALOG_COUNT)) && (!(defined FSL_FEATURE_SOC_ANATOP_COUNT)))
USBPHY->TRIM_OVERRIDE_EN = 0x001fU; /* override IFR value */
#endif
// Enable PHY support for Low speed device + LS via FS Hub
USBPHY->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL2_MASK | USBPHY_CTRL_SET_ENUTMILEVEL3_MASK;
// Enable all power for normal operation
USBPHY->PWD = 0;
// TX Timing
uint32_t phytx = USBPHY->TX;
phytx &= ~(USBPHY_TX_D_CAL_MASK | USBPHY_TX_TXCAL45DM_MASK | USBPHY_TX_TXCAL45DP_MASK);
phytx |= USBPHY_TX_D_CAL(0x04) | USBPHY_TX_TXCAL45DP(0x07) | USBPHY_TX_TXCAL45DM(0x07);
//phytx |= USBPHY_TX_D_CAL(0x0C) | USBPHY_TX_TXCAL45DP(0x06) | USBPHY_TX_TXCAL45DM(0x06);
USBPHY->TX = phytx;
#endif
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state) {
GPIO_PinWrite(LED_GPIO, LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON));
}
uint32_t board_button_read(void) {
#ifdef BUTTON_GPIO
return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_GPIO, BUTTON_PIN);
#endif
}
int board_uart_read(uint8_t* buf, int len) {
(void) buf;
(void) len;
return -1;
}
int board_uart_write(void const* buf, int len) {
#ifdef UART_DEV
const uint8_t *p = (const uint8_t *) buf;
int count = 0;
while (count < len) {
if (UART_DEV->STAT & LPUART_STAT_TDRE_MASK) {
UART_DEV->DATA = p[count];
count++;
} else {
break;
}
}
return count;
#else
(void) buf; (void) len;
return -1;
#endif
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler(void) {
system_ticks++;
}
uint32_t tusb_time_millis_api(void) {
return system_ticks;
}
#endif
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