1 files changed, 0 insertions, 131 deletions
diff --git a/src/lib/uart8250.c b/src/lib/uart8250.c
deleted file mode 100644
index 8e1714d190..0000000000
--- a/src/lib/uart8250.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2003 Eric Biederman
- * Copyright (C) 2006-2010 coresystems GmbH
- *
- * 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.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <arch/io.h>
-#include <console/uart.h>
-#include <uart8250.h>
-#include <trace.h>
-
-/* Should support 8250, 16450, 16550, 16550A type UARTs */
-
-/* Nominal values only, good for the range of choices Kconfig offers for
- * set of standard baudrates.
- */
-#define BAUDRATE_REFCLK		(115200)
-#define BAUDRATE_OVERSAMPLE	(1)
-
-/* Expected character delay at 1200bps is 9ms for a working UART
- * and no flow-control. Assume UART as stuck if shift register
- * or FIFO takes more than 50ms per character to appear empty.
- *
- * Estimated that inb() from UART takes 1 microsecond.
- */
-#define SINGLE_CHAR_TIMEOUT	(50 * 1000)
-#define FIFO_TIMEOUT		(16 * SINGLE_CHAR_TIMEOUT)
-
-static int uart8250_can_tx_byte(unsigned base_port)
-{
-	return inb(base_port + UART_LSR) & UART_LSR_THRE;
-}
-
-static void uart8250_tx_byte(unsigned base_port, unsigned char data)
-{
-	unsigned long int i = SINGLE_CHAR_TIMEOUT;
-	while (i-- && !uart8250_can_tx_byte(base_port));
-	outb(data, base_port + UART_TBR);
-}
-
-static void uart8250_tx_flush(unsigned base_port)
-{
-	unsigned long int i = FIFO_TIMEOUT;
-	while (i-- && !(inb(base_port + UART_LSR) & UART_LSR_TEMT));
-}
-
-static int uart8250_can_rx_byte(unsigned base_port)
-{
-	return inb(base_port + UART_LSR) & UART_LSR_DR;
-}
-
-static unsigned char uart8250_rx_byte(unsigned base_port)
-{
-	unsigned long int i = SINGLE_CHAR_TIMEOUT;
-	while (i-- && !uart8250_can_rx_byte(base_port));
-
-	if (i)
-		return inb(base_port + UART_RBR);
-	else
-		return 0x0;
-}
-
-static void uart8250_init(unsigned base_port, unsigned divisor)
-{
-	DISABLE_TRACE;
-	/* Disable interrupts */
-	outb(0x0, base_port + UART_IER);
-	/* Enable FIFOs */
-	outb(UART_FCR_FIFO_EN, base_port + UART_FCR);
-
-	/* assert DTR and RTS so the other end is happy */
-	outb(UART_MCR_DTR | UART_MCR_RTS, base_port + UART_MCR);
-
-	/* DLAB on */
-	outb(UART_LCR_DLAB | CONFIG_TTYS0_LCS, base_port + UART_LCR);
-
-	/* Set Baud Rate Divisor. 12 ==> 9600 Baud */
-	outb(divisor & 0xFF,   base_port + UART_DLL);
-	outb((divisor >> 8) & 0xFF,    base_port + UART_DLM);
-
-	/* Set to 3 for 8N1 */
-	outb(CONFIG_TTYS0_LCS, base_port + UART_LCR);
-	ENABLE_TRACE;
-}
-
-/* FIXME: Needs uart index from Kconfig.
- * Already use array as a work-around for ROMCC.
- */
-static const unsigned bases[1] = { CONFIG_TTYS0_BASE };
-
-void uart_init(void)
-{
-	unsigned int div;
-	div = uart_baudrate_divisor(default_baudrate(), BAUDRATE_REFCLK,
-		BAUDRATE_OVERSAMPLE);
-	uart8250_init(bases[0], div);
-}
-
-void uart_tx_byte(unsigned char data)
-{
-	uart8250_tx_byte(bases[0], data);
-}
-
-unsigned char uart_rx_byte(void)
-{
-	return uart8250_rx_byte(bases[0]);
-}
-
-int uart_can_rx_byte(void)
-{
-	return uart8250_can_rx_byte(bases[0]);
-}
-
-void uart_tx_flush(void)
-{
-	uart8250_tx_flush(bases[0]);
-}