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/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
* Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Glue to UART code to enable serial console
*/
#include <types.h>
#include <console/uart.h>
#include <boot/coreboot_tables.h>
#include "memmap.h"
uintptr_t uart_platform_base(int idx)
{
/* UART blocks are mapped 0x400 bytes apart */
if (idx < 8)
return A1X_UART0_BASE + 0x400 * idx;
else
return 0;
}
/* FIXME: We assume clock is 24MHz, which may not be the case. */
unsigned int uart_platform_refclk(void)
{
return 24000000;
}
#ifndef __PRE_RAM__
void uart_fill_lb(void *data)
{
struct lb_serial serial;
serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
serial.baud = default_baudrate();
serial.regwidth = 1;
serial.input_hertz = uart_platform_refclk();
serial.uart_pci_addr = 0;
lb_add_serial(&serial, data);
lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);
}
#endif
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