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/**
* @file board.c
* @brief
*
* Copyright (c) 2021 Bouffalolab team
*
* 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 "bflb_platform.h"
#include "bl702_config.h"
#include "bl702_glb.h"
#include "hal_gpio.h"
struct pin_mux_cfg {
uint8_t pin;
uint16_t func;
};
static const struct pin_mux_cfg af_pin_table[] = {
#ifdef CONFIG_GPIO0_FUNC
{ .pin = GPIO_PIN_0, .func = CONFIG_GPIO0_FUNC},
#endif
#ifdef CONFIG_GPIO1_FUNC
{ .pin = GPIO_PIN_1, .func = CONFIG_GPIO1_FUNC},
#endif
#ifdef CONFIG_GPIO2_FUNC
{ .pin = GPIO_PIN_2, .func = CONFIG_GPIO2_FUNC},
#endif
#ifdef CONFIG_GPIO3_FUNC
{ .pin = GPIO_PIN_3, .func = CONFIG_GPIO3_FUNC},
#endif
#ifdef CONFIG_GPIO4_FUNC
{ .pin = GPIO_PIN_4, .func = CONFIG_GPIO4_FUNC},
#endif
#ifdef CONFIG_GPIO5_FUNC
{ .pin = GPIO_PIN_5, .func = CONFIG_GPIO5_FUNC},
#endif
#ifdef CONFIG_GPIO6_FUNC
{ .pin = GPIO_PIN_6, .func = CONFIG_GPIO6_FUNC},
#endif
#ifdef CONFIG_GPIO7_FUNC
{ .pin = GPIO_PIN_7, .func = CONFIG_GPIO7_FUNC},
#endif
#ifdef CONFIG_GPIO8_FUNC
{ .pin = GPIO_PIN_8, .func = CONFIG_GPIO8_FUNC},
#endif
#ifdef CONFIG_GPIO9_FUNC
{ .pin = GPIO_PIN_9, .func = CONFIG_GPIO9_FUNC},
#endif
#ifdef CONFIG_GPIO10_FUNC
{.pin = GPIO_PIN_10, .func = CONFIG_GPIO10_FUNC},
#endif
#ifdef CONFIG_GPIO11_FUNC
{.pin = GPIO_PIN_11, .func = CONFIG_GPIO11_FUNC},
#endif
#ifdef CONFIG_GPIO12_FUNC
{.pin = GPIO_PIN_12, .func = CONFIG_GPIO12_FUNC},
#endif
#ifdef CONFIG_GPIO13_FUNC
{.pin = GPIO_PIN_13, .func = CONFIG_GPIO13_FUNC},
#endif
#ifdef CONFIG_GPIO14_FUNC
{.pin = GPIO_PIN_14, .func = CONFIG_GPIO14_FUNC},
#endif
#ifdef CONFIG_GPIO15_FUNC
{.pin = GPIO_PIN_15, .func = CONFIG_GPIO15_FUNC},
#endif
#ifdef CONFIG_GPIO16_FUNC
{.pin = GPIO_PIN_16, .func = CONFIG_GPIO16_FUNC},
#endif
#ifdef CONFIG_GPIO17_FUNC
{.pin = GPIO_PIN_17, .func = CONFIG_GPIO17_FUNC},
#endif
#ifdef CONFIG_GPIO18_FUNC
{.pin = GPIO_PIN_18, .func = CONFIG_GPIO18_FUNC},
#endif
#ifdef CONFIG_GPIO19_FUNC
{.pin = GPIO_PIN_19, .func = CONFIG_GPIO19_FUNC},
#endif
#ifdef CONFIG_GPIO20_FUNC
{.pin = GPIO_PIN_20, .func = CONFIG_GPIO20_FUNC},
#endif
#ifdef CONFIG_GPIO21_FUNC
{.pin = GPIO_PIN_21, .func = CONFIG_GPIO21_FUNC},
#endif
#ifdef CONFIG_GPIO22_FUNC
{.pin = GPIO_PIN_22, .func = CONFIG_GPIO22_FUNC},
#endif
#ifdef CONFIG_GPIO23_FUNC
{.pin = GPIO_PIN_23, .func = CONFIG_GPIO23_FUNC},
#endif
#ifdef CONFIG_GPIO24_FUNC
{.pin = GPIO_PIN_24, .func = CONFIG_GPIO24_FUNC},
#endif
#ifdef CONFIG_GPIO25_FUNC
{.pin = GPIO_PIN_25, .func = CONFIG_GPIO25_FUNC},
#endif
#ifdef CONFIG_GPIO26_FUNC
{.pin = GPIO_PIN_26, .func = CONFIG_GPIO26_FUNC},
#endif
#ifdef CONFIG_GPIO27_FUNC
{.pin = GPIO_PIN_27, .func = CONFIG_GPIO27_FUNC},
#endif
#ifdef CONFIG_GPIO28_FUNC
{.pin = GPIO_PIN_28, .func = CONFIG_GPIO28_FUNC},
#endif
#ifdef CONFIG_GPIO29_FUNC
{.pin = GPIO_PIN_29, .func = CONFIG_GPIO29_FUNC},
#endif
#ifdef CONFIG_GPIO30_FUNC
{.pin = GPIO_PIN_30, .func = CONFIG_GPIO30_FUNC},
#endif
#ifdef CONFIG_GPIO31_FUNC
{.pin = GPIO_PIN_31, .func = CONFIG_GPIO31_FUNC},
#endif
};
static void board_pin_mux_init(void) {
GLB_GPIO_Cfg_Type gpio_cfg;
uint32_t tmpVal;
gpio_cfg.drive = 2;
gpio_cfg.smtCtrl = 1;
uint8_t hbn_gpio_mask = 0x1f;
uint8_t hbn_aon_ie = 0;
for (uint32_t i = 0; i < sizeof(af_pin_table) / sizeof(af_pin_table[0]); i++) {
gpio_cfg.gpioMode = GPIO_MODE_AF;
gpio_cfg.pullType = GPIO_PULL_UP;
gpio_cfg.gpioPin = af_pin_table[i].pin;
gpio_cfg.gpioFun = af_pin_table[i].func;
/*if using gpio9-gpio12 and func is not analog and output ,should set reg_aon_pad_ie_smt corresponding bit = 1*/
if ((af_pin_table[i].pin > GPIO_PIN_8) && (af_pin_table[i].pin < GPIO_PIN_13)) {
if ((af_pin_table[i].func != 10) && ((af_pin_table[i].func < GPIO_FUN_GPIO_OUTPUT_UP) || (af_pin_table[i].func > GPIO_FUN_GPIO_OUTPUT_NONE))) {
hbn_aon_ie |= (1 << (af_pin_table[i].pin - 9));
}
}
/*if reset state*/
if (af_pin_table[i].func == GPIO_FUN_UNUSED) {
continue;
} else if (af_pin_table[i].func == GPIO_FUN_WAKEUP) {
/*if hbn or pds gpio wakeup func*/
if (af_pin_table[i].pin < GPIO_PIN_8) {
/*enable pds gpio wakeup and irq unmask*/
tmpVal = BL_RD_REG(PDS_BASE, PDS_GPIO_INT);
tmpVal = BL_SET_REG_BITS_VAL(tmpVal, PDS_GPIO_INT_SELECT, af_pin_table[i].pin);
tmpVal = BL_SET_REG_BITS_VAL(tmpVal, PDS_GPIO_INT_MODE, PDS_AON_GPIO_INT_TRIGGER_ASYNC_FALLING_EDGE);
tmpVal = BL_CLR_REG_BIT(tmpVal, PDS_GPIO_INT_MASK);
BL_WR_REG(PDS_BASE, PDS_GPIO_INT, tmpVal);
} else if ((af_pin_table[i].pin > GPIO_PIN_8) && (af_pin_table[i].pin < GPIO_PIN_13)) {
hbn_gpio_mask &= ~(1 << (af_pin_table[i].pin - 9));
}
continue;
} else if ((af_pin_table[i].func == GPIO_FUN_USB) || (af_pin_table[i].func == GPIO_FUN_DAC) || (af_pin_table[i].func == GPIO_FUN_ADC)) {
/*if analog func , for usb、adc、dac*/
gpio_cfg.gpioFun = GPIO_FUN_ANALOG;
gpio_cfg.gpioMode = GPIO_MODE_ANALOG;
gpio_cfg.pullType = GPIO_PULL_NONE;
} else if ((af_pin_table[i].func & 0xF0) == 0xF0) {
/*if uart func*/
gpio_cfg.gpioFun = GPIO_FUN_UART;
uint8_t uart_func = af_pin_table[i].func & 0x07;
uint8_t uart_sig = gpio_cfg.gpioPin % 8;
/*link to one uart sig*/
GLB_UART_Fun_Sel((GLB_UART_SIG_Type)uart_sig, (GLB_UART_SIG_FUN_Type)uart_func);
GLB_UART_Fun_Sel((GLB_UART_SIG_Type)uart_func, (GLB_UART_SIG_FUN_Type)uart_sig);
} else if (af_pin_table[i].func == GPIO_FUN_PWM) {
/*if pwm func*/
gpio_cfg.pullType = GPIO_PULL_DOWN;
} else if (af_pin_table[i].func == GPIO_FUN_QDEC) {
/* if qdec a/b */
gpio_cfg.pullType = GPIO_PULL_NONE;
gpio_cfg.gpioMode = GPIO_MODE_INPUT;
gpio_cfg.gpioFun = GPIO_FUN_QDEC;
} else if (af_pin_table[i].func == GPIO_FUN_QDEC_LED) {
/* if qdec led */
gpio_cfg.pullType = GPIO_PULL_NONE;
gpio_cfg.gpioMode = GPIO_MODE_OUTPUT;
gpio_cfg.gpioFun = GPIO_FUN_QDEC;
} else if (af_pin_table[i].func == GPIO_FUN_CLK_OUT) {
if (af_pin_table[i].pin % 2) {
/*odd gpio output clock*/
GLB_Set_Chip_Out_1_CLK_Sel(GLB_CHIP_CLK_OUT_I2S_REF_CLK);
} else {
/*even gpio output clock*/
GLB_Set_Chip_Out_0_CLK_Sel(GLB_CHIP_CLK_OUT_I2S_REF_CLK);
}
} else if ((af_pin_table[i].func == GPIO_FUN_GPIO_INPUT_UP) || (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_FALLING_EDGE) || (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_LOW_LEVEL)) {
/*if common gpio func,include input、output and exti*/
gpio_cfg.gpioFun = GPIO_FUN_GPIO;
gpio_cfg.gpioMode = GPIO_MODE_INPUT;
gpio_cfg.pullType = GPIO_PULL_UP;
if (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_FALLING_EDGE) {
GLB_Set_GPIO_IntMod(af_pin_table[i].pin, GLB_GPIO_INT_CONTROL_ASYNC, GLB_GPIO_INT_TRIG_NEG_PULSE);
} else if (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_LOW_LEVEL) {
GLB_Set_GPIO_IntMod(af_pin_table[i].pin, GLB_GPIO_INT_CONTROL_ASYNC, GLB_GPIO_INT_TRIG_NEG_LEVEL);
}
} else if ((af_pin_table[i].func == GPIO_FUN_GPIO_INPUT_DOWN) || (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_RISING_EDGE) || (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_HIGH_LEVEL)) {
gpio_cfg.gpioFun = GPIO_FUN_GPIO;
gpio_cfg.gpioMode = GPIO_MODE_INPUT;
gpio_cfg.pullType = GPIO_PULL_DOWN;
if (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_RISING_EDGE) {
GLB_Set_GPIO_IntMod(af_pin_table[i].pin, GLB_GPIO_INT_CONTROL_ASYNC, GLB_GPIO_INT_TRIG_POS_PULSE);
} else if (af_pin_table[i].func == GPIO_FUN_GPIO_EXTI_HIGH_LEVEL) {
GLB_Set_GPIO_IntMod(af_pin_table[i].pin, GLB_GPIO_INT_CONTROL_ASYNC, GLB_GPIO_INT_TRIG_POS_LEVEL);
}
} else if (af_pin_table[i].func == GPIO_FUN_GPIO_INPUT_NONE) {
gpio_cfg.gpioFun = GPIO_FUN_GPIO;
gpio_cfg.gpioMode = GPIO_MODE_INPUT;
gpio_cfg.pullType = GPIO_PULL_NONE;
} else if (af_pin_table[i].func == GPIO_FUN_GPIO_OUTPUT_UP) {
gpio_cfg.gpioFun = GPIO_FUN_GPIO;
gpio_cfg.gpioMode = GPIO_MODE_OUTPUT;
gpio_cfg.pullType = GPIO_PULL_UP;
} else if (af_pin_table[i].func == GPIO_FUN_GPIO_OUTPUT_DOWN) {
gpio_cfg.gpioFun = GPIO_FUN_GPIO;
gpio_cfg.gpioMode = GPIO_MODE_OUTPUT;
gpio_cfg.pullType = GPIO_PULL_DOWN;
} else if (af_pin_table[i].func == GPIO_FUN_GPIO_OUTPUT_NONE) {
gpio_cfg.gpioFun = GPIO_FUN_GPIO;
gpio_cfg.gpioMode = GPIO_MODE_OUTPUT;
gpio_cfg.pullType = GPIO_PULL_NONE;
}
GLB_GPIO_Init(&gpio_cfg);
}
/*disable unused reg_aon_pad_ie_smt bits and hbn_pin_wakeup_mask bits*/
tmpVal = BL_RD_REG(HBN_BASE, HBN_IRQ_MODE);
tmpVal = BL_SET_REG_BITS_VAL(tmpVal, HBN_PIN_WAKEUP_MASK, hbn_gpio_mask);
tmpVal = BL_SET_REG_BITS_VAL(tmpVal, HBN_REG_AON_PAD_IE_SMT, hbn_aon_ie);
tmpVal = BL_CLR_REG_BIT(tmpVal, HBN_REG_EN_HW_PU_PD);
tmpVal = BL_SET_REG_BITS_VAL(tmpVal, HBN_PIN_WAKEUP_MODE, HBN_GPIO_INT_TRIGGER_ASYNC_FALLING_EDGE);
BL_WR_REG(HBN_BASE, HBN_IRQ_MODE, tmpVal);
}
static void board_clock_init(void) {
system_clock_init();
peripheral_clock_init();
}
void board_init(void) {
board_clock_init();
board_pin_mux_init();
}
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