rt-thread/bsp/bouffalo_lab/bl61x/board/board.c

/*
 * Copyright (c) 2006-2023, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023/03/15     flyingcys    first version
 */
#include <rthw.h>
#include <rtthread.h>

#include "board.h"
#include "drv_uart.h"

static void system_clock_init(void)
{
#if 1
    /* wifipll/audiopll */
    GLB_Power_On_XTAL_And_PLL_CLK(GLB_XTAL_40M, GLB_PLL_WIFIPLL | GLB_PLL_AUPLL);
    GLB_Set_MCU_System_CLK(GLB_MCU_SYS_CLK_TOP_WIFIPLL_320M);
#else
    GLB_Set_MCU_System_CLK(GLB_MCU_SYS_CLK_RC32M);
    GLB_Power_On_XTAL_And_PLL_CLK(GLB_XTAL_40M, GLB_PLL_WIFIPLL);
    GLB_Config_AUDIO_PLL_To_384M();
    GLB_Set_MCU_System_CLK(GLB_MCU_SYS_CLK_TOP_AUPLL_DIV1);
    GLB_Set_MCU_System_CLK_Div(0, 3);
#endif
    CPU_Set_MTimer_CLK(ENABLE, BL_MTIMER_SOURCE_CLOCK_MCU_XCLK, Clock_System_Clock_Get(BL_SYSTEM_CLOCK_XCLK) / 1000000 - 1);
}

static void peripheral_clock_init(void)
{
    PERIPHERAL_CLOCK_ADC_DAC_ENABLE();
    PERIPHERAL_CLOCK_SEC_ENABLE();
    PERIPHERAL_CLOCK_DMA0_ENABLE();
    PERIPHERAL_CLOCK_UART0_ENABLE();
    PERIPHERAL_CLOCK_UART1_ENABLE();
    PERIPHERAL_CLOCK_SPI0_ENABLE();
    PERIPHERAL_CLOCK_I2C0_ENABLE();
    PERIPHERAL_CLOCK_PWM0_ENABLE();
    PERIPHERAL_CLOCK_TIMER0_1_WDG_ENABLE();
    PERIPHERAL_CLOCK_IR_ENABLE();
    PERIPHERAL_CLOCK_I2S_ENABLE();
    PERIPHERAL_CLOCK_USB_ENABLE();
    PERIPHERAL_CLOCK_CAN_ENABLE();

    GLB_Set_UART_CLK(ENABLE, HBN_UART_CLK_XCLK, 0);
    GLB_Set_SPI_CLK(ENABLE, GLB_SPI_CLK_MCU_MUXPLL_160M, 0);
    GLB_Set_I2C_CLK(ENABLE, GLB_I2C_CLK_XCLK, 0);
    GLB_Set_ADC_CLK(ENABLE, GLB_ADC_CLK_XCLK, 1);
    GLB_Set_DIG_CLK_Sel(GLB_DIG_CLK_XCLK);
    GLB_Set_DIG_512K_CLK(ENABLE, ENABLE, 0x4E);
    GLB_Set_PWM1_IO_Sel(GLB_PWM1_IO_DIFF_END);
    GLB_Set_IR_CLK(ENABLE, GLB_IR_CLK_SRC_XCLK, 19);
    GLB_Set_CAM_CLK(ENABLE, GLB_CAM_CLK_WIFIPLL_96M, 3);

    GLB_Set_PKA_CLK_Sel(GLB_PKA_CLK_MCU_MUXPLL_160M);
#ifdef CONFIG_BSP_SDH_SDCARD
    PERIPHERAL_CLOCK_SDH_ENABLE();
    GLB_AHB_MCU_Software_Reset(GLB_AHB_MCU_SW_EXT_SDH);
#endif

    GLB_Set_USB_CLK_From_WIFIPLL(1);
    GLB_Swap_MCU_SPI_0_MOSI_With_MISO(0);
}

#ifdef BSP_USING_PSRAM
static void bflb_init_psram_gpio(void)
{
    struct bflb_device_s *gpio;

    gpio = bflb_device_get_by_name("gpio");
    for (uint8_t i = 0; i < 12; i++) {
        bflb_gpio_init(gpio, (41 + i), GPIO_INPUT | GPIO_FLOAT | GPIO_SMT_EN | GPIO_DRV_0);
    }
}

static void psram_winbond_default_init(void)
{
    PSRAM_Ctrl_Cfg_Type default_psram_ctrl_cfg = {
        .vendor = PSRAM_CTRL_VENDOR_WINBOND,
        .ioMode = PSRAM_CTRL_X8_MODE,
        .size = PSRAM_SIZE_4MB,
        .dqs_delay = 0xfff0,
    };

    PSRAM_Winbond_Cfg_Type default_winbond_cfg = {
        .rst = DISABLE,
        .clockType = PSRAM_CLOCK_DIFF,
        .inputPowerDownMode = DISABLE,
        .hybridSleepMode = DISABLE,
        .linear_dis = ENABLE,
        .PASR = PSRAM_PARTIAL_REFRESH_FULL,
        .disDeepPowerDownMode = ENABLE,
        .fixedLatency = DISABLE,
        .brustLen = PSRAM_WINBOND_BURST_LENGTH_64_BYTES,
        .brustType = PSRAM_WRAPPED_BURST,
        .latency = PSRAM_WINBOND_6_CLOCKS_LATENCY,
        .driveStrength = PSRAM_WINBOND_DRIVE_STRENGTH_35_OHMS_FOR_4M_115_OHMS_FOR_8M,
    };

    PSram_Ctrl_Init(PSRAM0_ID, &default_psram_ctrl_cfg);
    // PSram_Ctrl_Winbond_Reset(PSRAM0_ID);
    PSram_Ctrl_Winbond_Write_Reg(PSRAM0_ID, PSRAM_WINBOND_REG_CR0, &default_winbond_cfg);
}

static uint32_t board_psram_x8_init(void)
{
    uint16_t reg_read = 0;

    GLB_Set_PSRAMB_CLK_Sel(ENABLE, GLB_PSRAMB_EMI_WIFIPLL_320M, 0);

    bflb_init_psram_gpio();

    /* psram init*/
    psram_winbond_default_init();
    /* check psram work or not */
    PSram_Ctrl_Winbond_Read_Reg(PSRAM0_ID, PSRAM_WINBOND_REG_ID0, &reg_read);
    return reg_read;
}
#endif

/* This is the timer interrupt service routine. */
static void systick_isr(void)
{
    rt_tick_increase();
}

void rt_hw_board_init(void)
{
    bflb_flash_init();

    system_clock_init();
    peripheral_clock_init();
    bflb_irq_initialize();

    bflb_mtimer_config(HW_MTIMER_CLOCK / RT_TICK_PER_SECOND, systick_isr);

#ifdef RT_USING_HEAP
    /* initialize memory system */
    rt_kprintf("RT_HW_HEAP_BEGIN:%x RT_HW_HEAP_END:%x size: %d\r\n", RT_HW_HEAP_BEGIN, RT_HW_HEAP_END, RT_HW_HEAP_END - RT_HW_HEAP_BEGIN);
    rt_system_heap_init(RT_HW_HEAP_BEGIN, RT_HW_HEAP_END);
#endif


    /* UART driver initialization is open by default */
#ifdef RT_USING_SERIAL
    rt_hw_uart_init();
#endif

#ifdef BSP_USING_PSRAM
    board_psram_x8_init();
    Tzc_Sec_PSRAMB_Access_Release();
#endif

    /* Set the shell console output device */
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif

#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif
}

void rt_hw_cpu_reset(void)
{
    GLB_SW_POR_Reset();
}
MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_reset, reboot, reset machine);