diff options
Diffstat (limited to 'bsps/arm/beagle/dcan/am335x-dcan.c')
-rw-r--r-- | bsps/arm/beagle/dcan/am335x-dcan.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/bsps/arm/beagle/dcan/am335x-dcan.c b/bsps/arm/beagle/dcan/am335x-dcan.c deleted file mode 100644 index f4bb717e1d..0000000000 --- a/bsps/arm/beagle/dcan/am335x-dcan.c +++ /dev/null @@ -1,104 +0,0 @@ -/* SPDX-License-Identifier: BSD-2-Clause */ - -/** - * @file - * - * @ingroup CANBus - * - * @brief Controller Area Network (CAN) Bus Implementation - * - */ - -/* - * Copyright (C) 2022 Prashanth S (fishesprashanth@gmail.com) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <dev/can/can.h> - -#include <bsp/am335x_dcan.h> -#include <bsp/soc_AM335x.h> - -#define IF_NAME_SIZE_MAX (12) - -void beagle_can_init(void *node) -{ - /* FIXME: Remove this method, Check if the device node belongs to CAN - * Will be removed once device tree support is added - */ - static int init = 0; - - if (init != 0) { - return; - } - - init = 1; - - CAN_DEBUG("beagle_can_init\n"); - - char if_name[IF_NAME_SIZE_MAX]; - - struct am335x_dcan_priv *priv = NULL; - - /* FIXME: Get hardware specific information from device tree */ - struct am335x_dcan_irq dcan_irq_nums[2] = {{52, 53, 54}, {55, 56, 57}}; - uint32_t dcan_base_reg_addr[] = {SOC_DCAN_0_REGS, SOC_DCAN_1_REGS}; - - for (int i = 0; i < CAN_NODES; i++) { - priv = (struct am335x_dcan_priv *)calloc(1, sizeof(struct am335x_dcan_priv)); - - if (priv == NULL) { - CAN_ERR("beagle_can_init: calloc failed: cannot allocate memory\n"); - return; - } - - /* FIXME: Get hardware specific information from device tree */ - priv->node = i; - priv->base_reg = dcan_base_reg_addr[i]; - priv->irq = dcan_irq_nums[i]; - priv->baudrate = 1000000; - - if (dcan_init(priv) < 0) { - CAN_ERR("beagle_can_init: CAN controller %d initialization failed\n", priv->node); - free(priv); - continue; - } - - struct can_bus *bus = can_bus_alloc_and_init(sizeof(struct can_bus)); - - priv->bus = bus; - - snprintf(if_name, IF_NAME_SIZE_MAX, "/dev/can%d", i); - - bus->priv = priv; - dcan_init_ops(priv); - - if (can_bus_register(bus, if_name) != 0) { - CAN_ERR("beagle_can_init: bus register failed\n"); - free(priv); - return; - } - - CAN_DEBUG("beagle_can_init: can_bus_registered %s\n", if_name); - } -} |