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[BSP][i.mxrt1052] fix uart

This commit is contained in:
balanceTWK 2018-03-29 18:19:40 +08:00
parent 75a2fe4d49
commit 144bfdbd18
3 changed files with 46 additions and 60 deletions
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59
bsp/imxrt1052-evk/drivers/board.c
View File

@ -48,40 +48,39 @@ static void BOARD_BootClockRUN(void)
/* Boot ROM did initialize the XTAL, here we only sets external XTAL OSC freq */
CLOCK_SetXtalFreq(24000000U);
CLOCK_SetRtcXtalFreq(32768U);
CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 0x1); /* Set PERIPH_CLK2 MUX to OSC */
CLOCK_SetMux(kCLOCK_PeriphMux, 0x1); /* Set PERIPH_CLK MUX to PERIPH_CLK2 */
CLOCK_SetMux(kCLOCK_PeriphMux, 0x1); /* Set PERIPH_CLK MUX to PERIPH_CLK2 */
/* Setting the VDD_SOC to 1.5V. It is necessary to config AHB to 600Mhz */
DCDC->REG3 = (DCDC->REG3 & (~DCDC_REG3_TRG_MASK)) | DCDC_REG3_TRG(0x12);
CLOCK_InitArmPll(&armPllConfig); /* Configure ARM PLL to 1200M */
#ifndef SKIP_SYSCLK_INIT
CLOCK_InitSysPll(&sysPllConfig); /* Configure SYS PLL to 528M */
#endif
#ifndef SKIP_USB_PLL_INIT
#ifndef SKIP_USB_PLL_INIT
CLOCK_InitUsb1Pll(&usb1PllConfig); /* Configure USB1 PLL to 480M */
#endif
#endif
CLOCK_SetDiv(kCLOCK_ArmDiv, 0x1); /* Set ARM PODF to 0, divide by 2 */
CLOCK_SetDiv(kCLOCK_AhbDiv, 0x0); /* Set AHB PODF to 0, divide by 1 */
CLOCK_SetDiv(kCLOCK_IpgDiv, 0x3); /* Set IPG PODF to 3, divede by 4 */
CLOCK_SetMux(kCLOCK_PrePeriphMux, 0x3); /* Set PRE_PERIPH_CLK to PLL1, 1200M */
CLOCK_SetMux(kCLOCK_PeriphMux, 0x0); /* Set PERIPH_CLK MUX to PRE_PERIPH_CLK */
CLOCK_SetDiv(kCLOCK_AhbDiv, 0x0); /* Set AHB PODF to 0, divide by 1 */
CLOCK_SetDiv(kCLOCK_IpgDiv, 0x3); /* Set IPG PODF to 3, divede by 4 */
CLOCK_SetMux(kCLOCK_PrePeriphMux, 0x3); /* Set PRE_PERIPH_CLK to PLL1, 1200M */
CLOCK_SetMux(kCLOCK_PeriphMux, 0x0); /* Set PERIPH_CLK MUX to PRE_PERIPH_CLK */
/* Disable unused clock */
BOARD_BootClockGate();
/* Power down all unused PLL */
BOARD_BootClockGate();
/* Power down all unused PLL */
CLOCK_DeinitAudioPll();
CLOCK_DeinitVideoPll();
CLOCK_DeinitEnetPll();
CLOCK_DeinitUsb2Pll();
/* Configure UART divider to default */
CLOCK_SetMux(kCLOCK_UartMux, 0); /* Set UART source to PLL3 80M */
CLOCK_SetDiv(kCLOCK_UartDiv, 0); /* Set UART divider to 1 */
/* iomuxc clock (iomuxc_clk_enable): 0x03u */
CLOCK_EnableClock(kCLOCK_Iomuxc);
/* Update core clock */
SystemCoreClockUpdate();
}
@ -164,7 +163,7 @@ void rt_lowlevel_init(void)
{
BOARD_ConfigMPU();
#if defined(RT_USING_SDRAM)
#if defined(RT_USING_SDRAM)
extern int imxrt_sdram_init(void);
imxrt_sdram_init();
#endif
@ -178,28 +177,28 @@ void rt_hw_board_init()
BOARD_BootClockRUN();
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#ifdef RT_USING_CONSOLE
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
#ifdef RT_USING_HEAP
#if defined(RT_USING_SDRAM) && defined(RT_USING_MEMHEAP_AS_HEAP)
rt_kprintf("sdram heap, begin: 0x%p, end: 0x%p\n", SDRAM_BEGIN, SDRAM_END);
rt_system_heap_init((void *)SDRAM_BEGIN, (void*)SDRAM_END);
rt_kprintf("sram heap, begin: 0x%p, end: 0x%p\n", HEAP_BEGIN, HEAP_END);
rt_memheap_init(&system_heap, "sram", (void *)HEAP_BEGIN, HEAP_SIZE);
rt_system_heap_init((void *)SDRAM_BEGIN, (void *)SDRAM_END);
rt_kprintf("sram heap, begin: 0x%p, end: 0x%p\n", HEAP_BEGIN, HEAP_END);
rt_memheap_init(&system_heap, "sram", (void *)HEAP_BEGIN, HEAP_SIZE);
#else
rt_kprintf("sram heap, begin: 0x%p, end: 0x%p\n", HEAP_BEGIN, HEAP_END);
rt_system_heap_init((void *)HEAP_BEGIN, (void*)HEAP_END);
rt_kprintf("sram heap, begin: 0x%p, end: 0x%p\n", HEAP_BEGIN, HEAP_END);
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
#endif
}

42
bsp/imxrt1052-evk/drivers/drv_uart.c
View File

@ -21,7 +21,6 @@
#ifdef RT_USING_SERIAL
/* GPIO外设时钟会在LPUART_Init中自动配置, 如果定义了以下宏则不会自动配置 */
#if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
#error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
#endif
@ -41,10 +40,10 @@
/* imxrt uart driver */
struct imxrt_uart
{
LPUART_Type * uart_base;
LPUART_Type *uart_base;
IRQn_Type irqn;
struct rt_serial_device * serial;
struct rt_serial_device *serial;
char *device_name;
};
@ -129,7 +128,8 @@ void LPUART8_IRQHandler(void)
#endif /* RT_USING_UART8 */
static const struct imxrt_uart uarts[] = {
static const struct imxrt_uart uarts[] =
{
#ifdef RT_USING_UART1
{
LPUART1,
@ -198,7 +198,7 @@ static const struct imxrt_uart uarts[] = {
};
/* Get debug console frequency. */
uint32_t BOARD_DebugConsoleSrcFreq(void)
uint32_t GetUartSrcFreq(void)
{
uint32_t freq;
@ -231,7 +231,6 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
if (uart->uart_base != RT_NULL)
{
#ifdef RT_USING_UART1
CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03u */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 is configured as LPUART1_TX */
@ -261,7 +260,6 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
Hyst. Enable Field: Hysteresis Disabled */
#endif
#ifdef RT_USING_UART2
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
@ -272,15 +270,12 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
0x10B0u);
#endif
#ifdef RT_USING_UART3
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_06_LPUART3_TX,
@ -291,13 +286,11 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_06_LPUART3_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_07_LPUART3_RX,
0x10B0u);
#endif
#ifdef RT_USING_UART4
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_00_LPUART4_TX,
@ -308,13 +301,11 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_00_LPUART4_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_01_LPUART4_RX,
0x10B0u);
#endif
#ifdef RT_USING_UART5
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_12_LPUART5_TX,
@ -325,13 +316,11 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_12_LPUART5_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_13_LPUART5_RX,
0x10B0u);
#endif
#ifdef RT_USING_UART6
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_02_LPUART6_TX,
@ -342,13 +331,11 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_02_LPUART6_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_03_LPUART6_RX,
0x10B0u);
#endif
#ifdef RT_USING_UART7
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_EMC_31_LPUART7_TX,
@ -359,13 +346,11 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_EMC_31_LPUART7_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_EMC_32_LPUART7_RX,
0x10B0u);
#endif
#ifdef RT_USING_UART8
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_10_LPUART8_TX,
@ -376,7 +361,6 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_10_LPUART8_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_11_LPUART8_RX,
0x10B0u);
@ -440,8 +424,7 @@ static rt_err_t imxrt_configure(struct rt_serial_device *serial, struct serial_c
config.enableTx = true;
config.enableRx = true;
LPUART_Init(uart->uart_base, &config, BOARD_DebugConsoleSrcFreq());
LPUART_Init(uart->uart_base, &config, GetUartSrcFreq());
return RT_EOK;
}
@ -481,7 +464,7 @@ static int imxrt_putc(struct rt_serial_device *serial, char ch)
uart = (struct imxrt_uart *)serial->parent.user_data;
LPUART_WriteByte(uart->uart_base, ch);
while(!(LPUART_GetStatusFlags(uart->uart_base) & kLPUART_TxDataRegEmptyFlag));
while (!(LPUART_GetStatusFlags(uart->uart_base) & kLPUART_TxDataRegEmptyFlag));
return 1;
}
@ -546,16 +529,21 @@ static const struct rt_uart_ops imxrt_uart_ops =
imxrt_getc,
};
int imxrt_hw_usart_init(void)
int imxrt_hw_uart_init(void)
{
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
int i;
/* Configure UART divider to default */
CLOCK_SetMux(kCLOCK_UartMux, 0); /* Set UART source to PLL3 80M */
CLOCK_SetDiv(kCLOCK_UartDiv, 0); /* Set UART divider to 1 */
for (i = 0; i < sizeof(uarts) / sizeof(uarts[0]); i++)
{
uarts[i].serial->ops = &imxrt_uart_ops;
uarts[i].serial->config = config;
/* register UART1 device */
/* register UART device */
rt_hw_serial_register(uarts[i].serial,
uarts[i].device_name,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
@ -564,6 +552,6 @@ int imxrt_hw_usart_init(void)
return 0;
}
INIT_BOARD_EXPORT(imxrt_hw_usart_init);
INIT_BOARD_EXPORT(imxrt_hw_uart_init);
#endif /*RT_USING_SERIAL */

5
bsp/imxrt1052-evk/drivers/drv_uart.h
View File

@ -12,12 +12,11 @@
* 2017-10-10 Tanek the first version
*/
#ifndef __DRV_USART_H__
#define __DRV_USART_H__
#ifndef __DRV_UART_H__
#define __DRV_UART_H__
#include <rthw.h>
#include <rtthread.h>
int rt_hw_usart_init(void);
#endif