diff options
Diffstat (limited to 'zephyr/init.c')
| -rw-r--r-- | zephyr/init.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/zephyr/init.c b/zephyr/init.c deleted file mode 100644 index 4dacc03..0000000 --- a/zephyr/init.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (c) 2021 Arm Limited. All rights reserved. - * - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed 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 - * - * 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 "ethosu_driver.h" -#include <device.h> -#include <devicetree.h> -#include <init.h> -#include <kernel.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/printk.h> -#include <sys/util.h> - -#define DT_DRV_COMPAT arm_ethos_u - -/******************************************************************************* - * Re-implementation/Overrides __((weak)) symbol functions from ethosu_driver.c - * To handle mutex and semaphores - *******************************************************************************/ -void *ethosu_mutex_create(void) -{ - int status = 0; - struct k_mutex *mutex = k_malloc(sizeof(*mutex)); - status = k_mutex_init(mutex); - if (status != 0) - { - printk("Failed to create mutex with error - %d\n", status); - } - return (void *)mutex; -} - -void ethosu_mutex_lock(void *mutex) -{ - int status = 0; - status = k_mutex_lock((struct k_mutex *)mutex, K_FOREVER); - if (status != 0) - { - printk("Failed to lock mutex with error - %d\n", status); - } -} - -void ethosu_mutex_unlock(void *mutex) -{ - k_mutex_unlock((struct k_mutex *)mutex); -} - -void *ethosu_semaphore_create(void) -{ - int status = 0; - struct k_sem *sem = k_malloc(sizeof(*sem)); - status = k_sem_init(sem, 1, 100); - if (status != 0) - { - printk("Failed to create semaphore with error - %d\n", status); - } - return (void *)sem; -} - -void ethosu_semaphore_take(void *sem) -{ - int status = 0; - status = k_sem_take((struct k_sem *)sem, K_FOREVER); - if (status != 0) - { - printk("Failed to take semaphore with error - %d\n", status); - } -} - -void ethosu_semaphore_give(void *sem) -{ - k_sem_give((struct k_sem *)sem); -} - -struct ethosu_dts_info -{ - uint32_t base_addr; - uint32_t secure_enable; - uint32_t privilege_enable; - uint32_t irq; - uint32_t irq_priority; - uint32_t inst; -}; - -struct ethosu_data -{ - struct ethosu_driver drv; - void (*irq_config)(void); -}; - -static int ethosu_zephyr_init(const struct device *dev) -{ - const struct ethosu_dts_info *config = dev->config; - const struct ethosu_data *data = dev->data; - struct ethosu_driver *drv = (struct ethosu_driver *)&data->drv; - struct ethosu_driver_version version; - printk("Ethos-U DTS info. base_address=0x%x, inst=%u, secure_enable=%u, privilege_enable=%u, irq=%u, " - "irq_priority=%u\n", - config->base_addr, - config->inst, - config->secure_enable, - config->privilege_enable, - config->irq, - config->irq_priority); - - ethosu_get_driver_version(&version); - printk("Version. major=%u, minor=%u, patch=%u\n", version.major, version.minor, version.patch); - if (ethosu_init(drv, (void *)(config->base_addr), NULL, 0, config->secure_enable, config->privilege_enable)) - { - printk("Failed to initialize NPU with ethosu_init().\n"); - return -EINVAL; - } - - data->irq_config(); - - return 0; -} - -#define ETHOSU_DEVICE_INIT(n) \ - static void ethosu_zephyr_irq_config_##n(void); \ - \ - static struct ethosu_data ethosu_data_##n = {.irq_config = ðosu_zephyr_irq_config_##n}; \ - \ - static void ethosu_zephyr_irq_handler_##n(void) \ - { \ - struct ethosu_driver *drv = ðosu_data_##n.drv; \ - ethosu_irq_handler(drv); \ - } \ - \ - static void ethosu_zephyr_irq_config_##n(void) \ - { \ - IRQ_DIRECT_CONNECT(DT_INST_IRQN(n), DT_INST_IRQ(n, priority), ethosu_zephyr_irq_handler_##n, 0); \ - irq_enable(DT_INST_IRQN(n)); \ - } \ - \ - static const struct ethosu_dts_info ethosu_dts_info_##n = { \ - .base_addr = DT_INST_REG_ADDR(n), \ - .secure_enable = DT_INST_PROP(n, secure_enable), \ - .privilege_enable = DT_INST_PROP(n, privilege_enable), \ - .irq = DT_INST_IRQN(n), \ - .irq_priority = DT_INST_IRQ(n, priority), \ - .inst = n, \ - }; \ - \ - DEVICE_DT_INST_DEFINE(n, \ - ethosu_zephyr_init, \ - NULL, \ - ðosu_data_##n, \ - ðosu_dts_info_##n, \ - POST_KERNEL, \ - CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \ - NULL); - -DT_INST_FOREACH_STATUS_OKAY(ETHOSU_DEVICE_INIT); |