89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
/*
|
|
* \brief Driver for OMAP4 UARTs
|
|
* \author Ivan Loskutov <ivan.loskutov@ksyslabs.org>
|
|
* \date 2012-11-08
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2012 Ksys Labs LLC
|
|
* Copyright (C) 2011-2012 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
/* Genode includes */
|
|
#include <base/printf.h>
|
|
#include <base/sleep.h>
|
|
#include <os/config.h>
|
|
#include <cap_session/connection.h>
|
|
#include <os/attached_io_mem_dataspace.h>
|
|
|
|
#include <uart_defs.h>
|
|
|
|
/* local includes */
|
|
#include "omap_uart.h"
|
|
#include "uart_component.h"
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
using namespace Genode;
|
|
|
|
PDBG("--- OMAP4 UART driver started ---\n");
|
|
|
|
/**
|
|
* Factory used by 'Terminal::Root' at session creation/destruction time
|
|
*/
|
|
struct Omap_uart_driver_factory : Uart::Driver_factory
|
|
{
|
|
Omap_uart *created[UARTS_NUM];
|
|
|
|
/**
|
|
* Constructor
|
|
*/
|
|
Omap_uart_driver_factory()
|
|
{
|
|
for (unsigned i = 0; i < UARTS_NUM; i++)
|
|
created[i] = 0;
|
|
}
|
|
|
|
Uart::Driver *create(unsigned index,
|
|
Uart::Char_avail_callback &callback)
|
|
{
|
|
if (index > UARTS_NUM)
|
|
throw Uart::Driver_factory::Not_available();
|
|
|
|
Omap_uart_cfg *cfg = &omap_uart_cfg[index];
|
|
Omap_uart *uart = created[index];
|
|
|
|
Genode::Attached_io_mem_dataspace *uart_mmio = new (env()->heap())
|
|
Genode::Attached_io_mem_dataspace(cfg->mmio_base, cfg->mmio_size);
|
|
|
|
if (!uart) {
|
|
uart = new (env()->heap())
|
|
Omap_uart(uart_mmio, cfg->irq_number, BAUD_115200, callback);
|
|
|
|
/* update 'created' table */
|
|
created[index] = uart;
|
|
}
|
|
|
|
return uart;
|
|
}
|
|
|
|
void destroy(Uart::Driver *driver) { /* TODO */ }
|
|
|
|
} driver_factory;
|
|
|
|
enum { STACK_SIZE = 0x2000 };
|
|
static Cap_connection cap;
|
|
|
|
static Rpc_entrypoint ep(&cap, STACK_SIZE, "uart_ep");
|
|
|
|
static Uart::Root uart_root(&ep, env()->heap(), driver_factory);
|
|
env()->parent()->announce(ep.manage(&uart_root));
|
|
|
|
sleep_forever();
|
|
return 0;
|
|
}
|