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[MIPS] WRPPMC serial support move to platform device

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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Yoichi Yuasa 2007-10-11 22:54:13 +09:00 committed by Ralf Baechle
parent 572afc248c
commit 2c4d13570d
3 changed files with 81 additions and 35 deletions
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2
arch/mips/gt64120/wrppmc/Makefile
View File

@ -9,6 +9,6 @@
# Makefile for the Wind River MIPS 4KC PPMC Eval Board
#
obj-y += irq.o reset.o setup.o time.o pci.o
obj-y += irq.o pci.o reset.o serial.o setup.o time.o
EXTRA_CFLAGS += -Werror

80
arch/mips/gt64120/wrppmc/serial.c Normal file
View File

@ -0,0 +1,80 @@
/*
* Registration of WRPPMC UART platform device.
*
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* 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; either 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.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <asm/gt64120.h>
static struct resource wrppmc_uart_resource[] __initdata = {
{
.start = WRPPMC_UART16550_BASE,
.end = WRPPMC_UART16550_BASE + 7,
.flags = IORESOURCE_MEM,
},
{
.start = WRPPMC_UART16550_IRQ,
.end = WRPPMC_UART16550_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct plat_serial8250_port wrppmc_serial8250_port[] = {
{
.irq = WRPPMC_UART16550_IRQ,
.uartclk = WRPPMC_UART16550_CLOCK,
.iotype = UPIO_MEM,
.flags = UPF_IOREMAP | UPF_SKIP_TEST,
.mapbase = WRPPMC_UART16550_BASE,
},
{},
};
static __init int wrppmc_uart_add(void)
{
struct platform_device *pdev;
int retval;
pdev = platform_device_alloc("serial8250", -1);
if (!pdev)
return -ENOMEM;
pdev->id = PLAT8250_DEV_PLATFORM;
pdev->dev.platform_data = wrppmc_serial8250_port;
retval = platform_device_add_resources(pdev, wrppmc_uart_resource,
ARRAY_SIZE(wrppmc_uart_resource));
if (retval)
goto err_free_device;
retval = platform_device_add(pdev);
if (retval)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(pdev);
return retval;
}
device_initcall(wrppmc_uart_add);

34
arch/mips/gt64120/wrppmc/setup.c
View File

@ -11,10 +11,6 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/pm.h>
#include <asm/io.h>
@ -98,32 +94,6 @@ void __init prom_free_prom_memory(void)
{
}
#ifdef CONFIG_SERIAL_8250
static void wrppmc_setup_serial(void)
{
struct uart_port up;
memset(&up, 0x00, sizeof(struct uart_port));
/*
* A note about mapbase/membase
* -) mapbase is the physical address of the IO port.
* -) membase is an 'ioremapped' cookie.
*/
up.line = 0;
up.type = PORT_16550;
up.iotype = UPIO_MEM;
up.mapbase = WRPPMC_UART16550_BASE;
up.membase = ioremap(up.mapbase, 8);
up.irq = WRPPMC_UART16550_IRQ;
up.uartclk = WRPPMC_UART16550_CLOCK;
up.flags = UPF_SKIP_TEST/* | UPF_BOOT_AUTOCONF */;
up.regshift = 0;
early_serial_setup(&up);
}
#endif
void __init plat_mem_setup(void)
{
extern void wrppmc_machine_restart(char *command);
@ -138,10 +108,6 @@ void __init plat_mem_setup(void)
* physical address ( < KSEG0) can work via KSEG1
*/
set_io_port_base(KSEG1);
#ifdef CONFIG_SERIAL_8250
wrppmc_setup_serial();
#endif
}
const char *get_system_type(void)