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ARM: serial: Remove the IXP UART driver

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This driver is no longer used, remove it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Michael Schwingen <michael@schwingen.org>
Cc: Tom Rini <trini@ti.com>
This commit is contained in:
Marek Vasut 2014-01-28 00:21:38 +01:00
parent 0b2d3f209a
commit f8d1086851
4 changed files with 0 additions and 137 deletions
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4
doc/driver-model/UDM-serial.txt
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@ -101,10 +101,6 @@ III) Analysis of in-tree drivers
No support for CONFIG_SERIAL_MULTI. Simple conversion possible. This driver
might be removed in favor of serial_mxc.c .
serial_ixp.c
------------
No support for CONFIG_SERIAL_MULTI. Simple conversion possible.
serial_ks8695.c
---------------
No support for CONFIG_SERIAL_MULTI. Simple conversion possible.

1
drivers/serial/Makefile
View File

@ -18,7 +18,6 @@ obj-$(CONFIG_SYS_NS16550) += ns16550.o
obj-$(CONFIG_S5P) += serial_s5p.o
obj-$(CONFIG_SYS_NS16550_SERIAL) += serial_ns16550.o
obj-$(CONFIG_IMX_SERIAL) += serial_imx.o
obj-$(CONFIG_IXP_SERIAL) += serial_ixp.o
obj-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o
obj-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
obj-$(CONFIG_MXC_UART) += serial_mxc.o

2
drivers/serial/serial.c
View File

@ -150,7 +150,6 @@ serial_initfunc(oc_serial_initialize);
serial_initfunc(sandbox_serial_initialize);
serial_initfunc(clps7111_serial_initialize);
serial_initfunc(imx_serial_initialize);
serial_initfunc(ixp_serial_initialize);
serial_initfunc(ks8695_serial_initialize);
serial_initfunc(lh7a40x_serial_initialize);
serial_initfunc(max3100_serial_initialize);
@ -243,7 +242,6 @@ void serial_initialize(void)
sandbox_serial_initialize();
clps7111_serial_initialize();
imx_serial_initialize();
ixp_serial_initialize();
ks8695_serial_initialize();
lh7a40x_serial_initialize();
max3100_serial_initialize();

130
drivers/serial/serial_ixp.c
View File

@ -1,130 +0,0 @@
/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*
* Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/ixp425.h>
#include <watchdog.h>
#include <serial.h>
#include <linux/compiler.h>
/*
* 14.7456 MHz
* Baud Rate = --------------
* 16 x Divisor
*/
#define SERIAL_CLOCK 921600
DECLARE_GLOBAL_DATA_PTR;
static void ixp_serial_setbrg(void)
{
unsigned int quot = 0;
int uart = CONFIG_SYS_IXP425_CONSOLE;
if ((gd->baudrate <= SERIAL_CLOCK) && (SERIAL_CLOCK % gd->baudrate == 0))
quot = SERIAL_CLOCK / gd->baudrate;
else
hang ();
IER(uart) = 0; /* Disable for now */
FCR(uart) = 0; /* No fifos enabled */
/* set baud rate */
LCR(uart) = LCR_WLS0 | LCR_WLS1 | LCR_DLAB;
DLL(uart) = quot & 0xff;
DLH(uart) = quot >> 8;
LCR(uart) = LCR_WLS0 | LCR_WLS1;
#ifdef CONFIG_SERIAL_RTS_ACTIVE
MCR(uart) = MCR_RTS; /* set RTS active */
#else
MCR(uart) = 0; /* set RTS inactive */
#endif
IER(uart) = IER_UUE;
}
/*
* Initialise the serial port with the given baudrate. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*
*/
static int ixp_serial_init(void)
{
serial_setbrg ();
return (0);
}
/*
* Output a single byte to the serial port.
*/
static void ixp_serial_putc(const char c)
{
/* wait for room in the tx FIFO on UART */
while ((LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_TEMT) == 0)
WATCHDOG_RESET(); /* Reset HW Watchdog, if needed */
THR(CONFIG_SYS_IXP425_CONSOLE) = c;
/* If \n, also do \r */
if (c == '\n')
serial_putc ('\r');
}
/*
* Read a single byte from the serial port. Returns 1 on success, 0
* otherwise. When the function is succesfull, the character read is
* written into its argument c.
*/
static int ixp_serial_tstc(void)
{
return LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR;
}
/*
* Read a single byte from the serial port. Returns 1 on success, 0
* otherwise. When the function is succesfull, the character read is
* written into its argument c.
*/
static int ixp_serial_getc(void)
{
while (!(LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR))
WATCHDOG_RESET(); /* Reset HW Watchdog, if needed */
return (char) RBR(CONFIG_SYS_IXP425_CONSOLE) & 0xff;
}
static struct serial_device ixp_serial_drv = {
.name = "ixp_serial",
.start = ixp_serial_init,
.stop = NULL,
.setbrg = ixp_serial_setbrg,
.putc = ixp_serial_putc,
.puts = default_serial_puts,
.getc = ixp_serial_getc,
.tstc = ixp_serial_tstc,
};
void ixp_serial_initialize(void)
{
serial_register(&ixp_serial_drv);
}
__weak struct serial_device *default_serial_console(void)
{
return &ixp_serial_drv;
}