| /* |
| * 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 <stddef.h> |
| #include <stdint.h> |
| #include <errno.h> |
| #include <sys/types.h> |
| #include <stdio.h> |
| #include "os/mynewt.h" |
| #include "bsp/bsp.h" |
| #include "hal/hal_bsp.h" |
| #include "hal/hal_flash_int.h" |
| #include "flash_map/flash_map.h" |
| #include "hal/hal_flash.h" |
| #if MYNEWT_VAL(UART_0) || MYNEWT_VAL(UART_1) || MYNEWT_VAL(UART_2) || \ |
| MYNEWT_VAL(UART_3) || MYNEWT_VAL(UART_4) || MYNEWT_VAL(UART_5) |
| #include "uart/uart.h" |
| #include "uart_hal/uart_hal.h" |
| #include "hal/hal_uart.h" |
| #endif |
| #include "mcu/cmsis_nvic.h" |
| #include "mcu/frdm-k64f_hal.h" |
| #include "fsl_device_registers.h" |
| #include "fsl_common.h" |
| #include "fsl_clock.h" |
| #include "fsl_port.h" |
| #include "clock_config.h" |
| |
| #if MYNEWT_VAL(UART_0) |
| static struct uart_dev os_bsp_uart0; |
| #endif |
| #if MYNEWT_VAL(UART_1) |
| static struct uart_dev os_bsp_uart1; |
| #endif |
| #if MYNEWT_VAL(UART_2) |
| static struct uart_dev os_bsp_uart2; |
| #endif |
| #if MYNEWT_VAL(UART_3) |
| static struct uart_dev os_bsp_uart3; |
| #endif |
| #if MYNEWT_VAL(UART_4) |
| static struct uart_dev os_bsp_uart4; |
| #endif |
| #if MYNEWT_VAL(UART_5) |
| static struct uart_dev os_bsp_uart5; |
| #endif |
| |
| /* |
| * What memory to include in coredump. |
| */ |
| static const struct hal_bsp_mem_dump dump_cfg[] = { |
| [0] = { |
| .hbmd_start = &__DATA_ROM, |
| .hbmd_size = RAM_SIZE |
| } |
| }; |
| |
| static void init_hardware(void) |
| { |
| // Disable the MPU otherwise USB cannot access the bus |
| MPU->CESR = 0; |
| |
| // Enable all the ports |
| SIM->SCGC5 |= (SIM_SCGC5_PORTA_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | |
| SIM_SCGC5_PORTE_MASK); |
| } |
| |
| extern void BOARD_BootClockRUN(void); |
| |
| const struct hal_flash * |
| hal_bsp_flash_dev(uint8_t id) |
| { |
| /* |
| * Internal flash mapped to id 0. |
| */ |
| if (id != 0) { |
| return NULL; |
| } |
| return &mk64f12_flash_dev; |
| } |
| |
| const struct hal_bsp_mem_dump * |
| hal_bsp_core_dump(int *area_cnt) |
| { |
| *area_cnt = sizeof(dump_cfg) / sizeof(dump_cfg[0]); |
| return dump_cfg; |
| } |
| |
| int |
| hal_bsp_power_state(int state) |
| { |
| return (0); |
| } |
| |
| /*! |
| * @brief Function to override ARMGCC default function _sbrk |
| * |
| * _sbrk is called by malloc. ARMGCC default _sbrk compares "SP" register and |
| * heap end, if heap end is larger than "SP", then _sbrk returns error and |
| * memory allocation failed. This function changes to compare __HeapLimit with |
| * heap end. |
| */ |
| void *_sbrk(int incr) |
| { |
| extern char end __asm("end"); |
| extern char heap_limit __asm("__HeapLimit"); |
| static char *heap_end; |
| char *prev_heap_end; |
| |
| if (heap_end == NULL) |
| heap_end = &end; |
| |
| prev_heap_end = heap_end; |
| |
| if (heap_end + incr > &heap_limit) |
| { |
| errno = ENOMEM; |
| return (void *)-1; |
| } |
| |
| heap_end += incr; |
| |
| return (void *)prev_heap_end; |
| } |
| |
| /** |
| * Returns the configured priority for the given interrupt. If no priority |
| * configured, return the priority passed in |
| * |
| * @param irq_num |
| * @param pri |
| * |
| * @return uint32_t |
| */ |
| uint32_t |
| hal_bsp_get_nvic_priority(int irq_num, uint32_t pri) |
| { |
| /* Add any interrupt priorities configured by the bsp here */ |
| return pri; |
| } |
| |
| void |
| hal_bsp_init(void) |
| { |
| int rc = 0; |
| |
| (void)rc; |
| // Init pinmux and other hardware setup. |
| init_hardware(); |
| BOARD_BootClockRUN(); |
| |
| #if MYNEWT_VAL(UART_0) |
| rc = os_dev_create((struct os_dev *) &os_bsp_uart0, "uart0", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, NULL); |
| assert(rc == 0); |
| #endif |
| #if MYNEWT_VAL(UART_1) |
| rc = os_dev_create((struct os_dev *) &os_bsp_uart1, "uart1", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, NULL); |
| assert(rc == 0); |
| #endif |
| #if MYNEWT_VAL(UART_2) |
| rc = os_dev_create((struct os_dev *) &os_bsp_uart2, "uart2", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, NULL); |
| assert(rc == 0); |
| #endif |
| #if MYNEWT_VAL(UART_3) |
| rc = os_dev_create((struct os_dev *) &os_bsp_uart3, "uart3", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, NULL); |
| assert(rc == 0); |
| #endif |
| #if MYNEWT_VAL(UART_4) |
| rc = os_dev_create((struct os_dev *) &os_bsp_uart4, "uart4", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, NULL); |
| assert(rc == 0); |
| #endif |
| #if MYNEWT_VAL(UART_5) |
| rc = os_dev_create((struct os_dev *) &os_bsp_uart5, "uart5", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, NULL); |
| assert(rc == 0); |
| #endif |
| } |