wolfBoot/test-app/app_imx_rt.c

141 lines
4.2 KiB
C

/* wolfBoot test application for iMX-RT1060-EVK
*
* Copyright (C) 2021 wolfSSL Inc.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#include "wolfboot/wolfboot.h"
#include <stdint.h>
#include "fsl_common.h"
#include "fsl_clock.h"
#include "fsl_debug_console.h"
#include "fsl_gpio.h"
#include "fsl_iomuxc.h"
static int g_pinSet = false;
extern void imx_rt_init_boot_clock(void);
/* Get debug console frequency. */
static uint32_t debug_console_get_freq(void)
{
uint32_t freq;
/* To make it simple, we assume default PLL and divider settings, and the only variable
from application is use PLL3 source or OSC source */
if (CLOCK_GetMux(kCLOCK_UartMux) == 0) /* PLL3 div6 80M */
{
freq = (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
}
else
{
freq = CLOCK_GetOscFreq() / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
}
return freq;
}
/* Initialize debug console. */
#define UART_TYPE kSerialPort_Uart
#define UART_BASEADDR (uint32_t) LPUART1
#define UART_INSTANCE 1U
#define UART_BAUDRATE (115200U)
void init_debug_console(void)
{
uint32_t uartClkSrcFreq = debug_console_get_freq();
DbgConsole_Init(UART_INSTANCE, UART_BAUDRATE, UART_TYPE, uartClkSrcFreq);
}
#ifdef CPU_MIMXRT1062DVL6A
/* Pin settings */
void rt1060_init_pins(void) {
CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03U */
gpio_pin_config_t USER_LED_config = {
.direction = kGPIO_DigitalOutput,
.outputLogic = 0U,
.interruptMode = kGPIO_NoIntmode
};
GPIO_PinInit(GPIO1, 9U, &USER_LED_config);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_10_ARM_TRACE_SWO, /* GPIO_AD_B0_10 is configured as ARM_TRACE_SWO */
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 is configured as LPUART1_TX */
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 is configured as LPUART1_RX */
0U);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_10_ARM_TRACE_SWO, /* GPIO_AD_B0_10 PAD functional properties : */
0x90B1U);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 PAD functional properties : */
0x10B0U);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 PAD functional properties : */
0x10B0U);
}
#endif
#ifdef CPU_MIMXRT1052DVJ6B
void rt1050_init_pins(void) {
CLOCK_EnableClock(kCLOCK_Iomuxc);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_12_LPUART1_TXD, 0U);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_13_LPUART1_RXD, 0U);
IOMUXC_SetPinMux(IOMUXC_GPIO_SD_B0_04_CCM_CLKO1, 0U);
IOMUXC_SetPinMux(IOMUXC_GPIO_SD_B0_05_CCM_CLKO2, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_12_LPUART1_TXD, 0x10B0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_13_LPUART1_RXD, 0x10B0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_04_CCM_CLKO1, 0x10B0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_05_CCM_CLKO2, 0x10B0U);
}
#endif
void main()
{
imx_rt_init_boot_clock();
#ifdef CPU_MIMXRT1062DVL6A
rt1060_init_pins();
#endif
#ifdef CPU_MIMXRT1052DVJ6B
rt1050_init_pins();
#endif
SystemCoreClockUpdate();
SysTick_Config(SystemCoreClock / 1000U);
init_debug_console();
PRINTF("wolfBoot Test app, version = %d\n", wolfBoot_current_firmware_version());
while(1) {
SDK_DelayAtLeastUs(100000, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY);
if (g_pinSet)
{
GPIO_PinWrite(GPIO1, 9U, 0U);
g_pinSet = false;
}
else
{
GPIO_PinWrite(GPIO1, 9U, 1U);
g_pinSet = true;
}
}
}