d728bece0a
This gets a little complicated as the driver could be using PCI-E MMIO, MMIO specified by DTS, or I/O ports. This driver doesn't use struct uart_device_config any more. Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
126 lines
3 KiB
C
126 lines
3 KiB
C
/*
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* Copyright (c) 2010, 2012-2015 Wind River Systems, Inc.
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* Copyright (c) 2019-2020 Intel Corp.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* This file is a template for cmake and is not meant to be used directly!
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*/
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#if DT_NODE_HAS_STATUS(DT_DRV_INST(@NUM@), okay)
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#ifdef CONFIG_UART_INTERRUPT_DRIVEN
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static void irq_config_func_@NUM@(struct device *port);
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#endif
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static const struct uart_ns16550_device_config uart_ns16550_dev_cfg_@NUM@ = {
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#ifdef UART_NS16550_ACCESS_IOPORT
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.port = DT_INST_REG_ADDR(@NUM@),
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#elif !DT_INST_PROP(@NUM@, pcie)
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DEVICE_MMIO_ROM_INIT(@NUM@),
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#endif
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.sys_clk_freq = DT_INST_PROP(@NUM@, clock_frequency),
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#ifdef CONFIG_UART_INTERRUPT_DRIVEN
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.irq_config_func = irq_config_func_@NUM@,
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#endif
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#if DT_INST_NODE_HAS_PROP(@NUM@, pcp)
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.pcp = DT_INST_PROP(@NUM@, pcp),
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#endif
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#if DT_INST_PROP(@NUM@, pcie)
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.pcie = true,
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.pcie_bdf = DT_INST_REG_ADDR(@NUM@),
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.pcie_id = DT_INST_REG_SIZE(@NUM@),
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#endif
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};
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static struct uart_ns16550_dev_data_t uart_ns16550_dev_data_@NUM@ = {
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#if DT_INST_NODE_HAS_PROP(@NUM@, current_speed)
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.uart_config.baudrate = DT_INST_PROP(@NUM@, current_speed),
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#endif
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.uart_config.parity = UART_CFG_PARITY_NONE,
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.uart_config.stop_bits = UART_CFG_STOP_BITS_1,
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.uart_config.data_bits = UART_CFG_DATA_BITS_8,
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#if DT_INST_PROP(@NUM@, hw_flow_control)
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.uart_config.flow_ctrl = UART_CFG_FLOW_CTRL_RTS_CTS,
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#else
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.uart_config.flow_ctrl = UART_CFG_FLOW_CTRL_NONE,
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#endif
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#if DT_INST_NODE_HAS_PROP(@NUM@, dlf)
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.dlf = DT_INST_PROP(@NUM@, dlf),
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#endif
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};
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DEVICE_AND_API_INIT(uart_ns16550_@NUM@, DT_INST_LABEL(@NUM@),
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&uart_ns16550_init,
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&uart_ns16550_dev_data_@NUM@, &uart_ns16550_dev_cfg_@NUM@,
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PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
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&uart_ns16550_driver_api);
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#if DT_INST_IRQ_HAS_CELL(@NUM@, sense)
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#define INST_@NUM@_IRQ_FLAGS DT_INST_IRQ(@NUM@, sense)
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#else
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#define INST_@NUM@_IRQ_FLAGS 0
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#endif
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#ifdef CONFIG_UART_INTERRUPT_DRIVEN
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static void irq_config_func_@NUM@(struct device *dev)
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{
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ARG_UNUSED(dev);
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#if DT_INST_PROP(@NUM@, pcie)
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#if DT_INST_IRQN(@NUM@) == PCIE_IRQ_DETECT
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/* PCI(e) with auto IRQ detection */
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BUILD_ASSERT(IS_ENABLED(CONFIG_DYNAMIC_INTERRUPTS),
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"NS16550 PCI auto-IRQ needs CONFIG_DYNAMIC_INTERRUPTS");
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unsigned int irq;
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irq = pcie_wired_irq(DT_INST_REG_ADDR(@NUM@));
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if (irq == PCIE_CONF_INTR_IRQ_NONE) {
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return;
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}
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irq_connect_dynamic(irq,
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DT_INST_IRQ(@NUM@, priority),
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uart_ns16550_isr,
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DEVICE_GET(uart_ns16550_@NUM@),
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INST_@NUM@_IRQ_FLAGS);
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pcie_irq_enable(DT_INST_REG_ADDR(@NUM@), irq);
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#else
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/* PCI(e) with fixed or MSI IRQ */
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IRQ_CONNECT(DT_INST_IRQN(@NUM@),
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DT_INST_IRQ(@NUM@, priority),
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uart_ns16550_isr, DEVICE_GET(uart_ns16550_@NUM@),
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INST_@NUM@_IRQ_FLAGS);
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pcie_irq_enable(DT_INST_REG_ADDR(@NUM@),
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DT_INST_IRQN(@NUM@));
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#endif
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#else
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/* not PCI(e) */
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IRQ_CONNECT(DT_INST_IRQN(@NUM@),
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DT_INST_IRQ(@NUM@, priority),
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uart_ns16550_isr, DEVICE_GET(uart_ns16550_@NUM@),
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INST_@NUM@_IRQ_FLAGS);
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irq_enable(DT_INST_IRQN(@NUM@));
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#endif
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}
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#endif
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#endif
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