f9b82a7b8e
Fixes #445
95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
/*
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* \brief Driver for OMAP4 UARTs
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* \author Ivan Loskutov <ivan.loskutov@ksyslabs.org>
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* \date 2012-11-08
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*/
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/*
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* Copyright (C) 2012 Ksys Labs LLC
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* Copyright (C) 2011-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/printf.h>
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#include <base/sleep.h>
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#include <os/config.h>
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#include <cap_session/connection.h>
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#include <os/attached_io_mem_dataspace.h>
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#include <uart_defs.h>
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/* local includes */
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#include "omap_uart.h"
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#include "uart_component.h"
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int main(int argc, char **argv)
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{
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using namespace Genode;
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PDBG("--- OMAP4 UART driver started ---\n");
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/**
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* Factory used by 'Terminal::Root' at session creation/destruction time
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*/
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struct Omap_uart_driver_factory : Uart::Driver_factory
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{
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Omap_uart *created[UARTS_NUM];
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/**
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* Constructor
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*/
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Omap_uart_driver_factory()
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{
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for (unsigned i = 0; i < UARTS_NUM; i++)
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created[i] = 0;
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}
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Uart::Driver *create(unsigned index, unsigned baudrate,
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Uart::Char_avail_callback &callback)
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{
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if (index > UARTS_NUM)
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throw Uart::Driver_factory::Not_available();
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if (baudrate == 0)
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{
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PDBG("Baudrate is not defined. Use default 115200");
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baudrate = BAUD_115200;
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}
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Omap_uart_cfg *cfg = &omap_uart_cfg[index];
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Omap_uart *uart = created[index];
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Genode::Attached_io_mem_dataspace *uart_mmio = new (env()->heap())
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Genode::Attached_io_mem_dataspace(cfg->mmio_base, cfg->mmio_size);
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if (!uart) {
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uart = new (env()->heap())
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Omap_uart(uart_mmio, cfg->irq_number, baudrate, callback);
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/* update 'created' table */
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created[index] = uart;
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}
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return uart;
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}
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void destroy(Uart::Driver *driver) { /* TODO */ }
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} driver_factory;
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enum { STACK_SIZE = 0x2000 };
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static Cap_connection cap;
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static Rpc_entrypoint ep(&cap, STACK_SIZE, "uart_ep");
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static Uart::Root uart_root(&ep, env()->heap(), driver_factory);
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env()->parent()->announce(ep.manage(&uart_root));
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sleep_forever();
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return 0;
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}
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