mirror of https://gitee.com/openkylin/linux.git
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
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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 <yuasa@linux-mips.org>
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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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