[MIPS] WRPPMC serial support move to platform device
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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572afc248c
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2c4d13570d
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@ -9,6 +9,6 @@
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# Makefile for the Wind River MIPS 4KC PPMC Eval Board
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# Makefile for the Wind River MIPS 4KC PPMC Eval Board
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#
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#
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obj-y += irq.o reset.o setup.o time.o pci.o
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obj-y += irq.o pci.o reset.o serial.o setup.o time.o
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EXTRA_CFLAGS += -Werror
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EXTRA_CFLAGS += -Werror
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@ -0,0 +1,80 @@
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/*
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* Registration of WRPPMC UART platform device.
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*
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* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <linux/platform_device.h>
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#include <linux/serial_8250.h>
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#include <asm/gt64120.h>
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static struct resource wrppmc_uart_resource[] __initdata = {
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{
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.start = WRPPMC_UART16550_BASE,
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.end = WRPPMC_UART16550_BASE + 7,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = WRPPMC_UART16550_IRQ,
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.end = WRPPMC_UART16550_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct plat_serial8250_port wrppmc_serial8250_port[] = {
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{
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.irq = WRPPMC_UART16550_IRQ,
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.uartclk = WRPPMC_UART16550_CLOCK,
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.iotype = UPIO_MEM,
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.flags = UPF_IOREMAP | UPF_SKIP_TEST,
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.mapbase = WRPPMC_UART16550_BASE,
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},
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{},
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};
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static __init int wrppmc_uart_add(void)
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{
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struct platform_device *pdev;
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int retval;
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pdev = platform_device_alloc("serial8250", -1);
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if (!pdev)
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return -ENOMEM;
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pdev->id = PLAT8250_DEV_PLATFORM;
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pdev->dev.platform_data = wrppmc_serial8250_port;
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retval = platform_device_add_resources(pdev, wrppmc_uart_resource,
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ARRAY_SIZE(wrppmc_uart_resource));
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if (retval)
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goto err_free_device;
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retval = platform_device_add(pdev);
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if (retval)
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goto err_free_device;
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return 0;
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err_free_device:
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platform_device_put(pdev);
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return retval;
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}
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device_initcall(wrppmc_uart_add);
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@ -11,10 +11,6 @@
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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#include <linux/tty.h>
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#include <linux/serial.h>
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#include <linux/serial_core.h>
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#include <linux/serial_8250.h>
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#include <linux/pm.h>
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#include <linux/pm.h>
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#include <asm/io.h>
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#include <asm/io.h>
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@ -98,32 +94,6 @@ void __init prom_free_prom_memory(void)
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{
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{
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}
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}
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#ifdef CONFIG_SERIAL_8250
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static void wrppmc_setup_serial(void)
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{
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struct uart_port up;
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memset(&up, 0x00, sizeof(struct uart_port));
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/*
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* A note about mapbase/membase
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* -) mapbase is the physical address of the IO port.
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* -) membase is an 'ioremapped' cookie.
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*/
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up.line = 0;
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up.type = PORT_16550;
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up.iotype = UPIO_MEM;
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up.mapbase = WRPPMC_UART16550_BASE;
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up.membase = ioremap(up.mapbase, 8);
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up.irq = WRPPMC_UART16550_IRQ;
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up.uartclk = WRPPMC_UART16550_CLOCK;
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up.flags = UPF_SKIP_TEST/* | UPF_BOOT_AUTOCONF */;
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up.regshift = 0;
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early_serial_setup(&up);
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}
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#endif
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void __init plat_mem_setup(void)
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void __init plat_mem_setup(void)
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{
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{
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extern void wrppmc_machine_restart(char *command);
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extern void wrppmc_machine_restart(char *command);
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@ -138,10 +108,6 @@ void __init plat_mem_setup(void)
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* physical address ( < KSEG0) can work via KSEG1
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* physical address ( < KSEG0) can work via KSEG1
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*/
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*/
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set_io_port_base(KSEG1);
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set_io_port_base(KSEG1);
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#ifdef CONFIG_SERIAL_8250
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wrppmc_setup_serial();
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#endif
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}
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}
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const char *get_system_type(void)
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const char *get_system_type(void)
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