cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/mti-malta/malta-platform.c

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2006, 07 MIPS Technologies, Inc.
 *   written by Ralf Baechle (ralf@linux-mips.org)
 *     written by Ralf Baechle <ralf@linux-mips.org>
 *
 * Copyright (C) 2008 Wind River Systems, Inc.
 *   updated by Tiejun Chen <tiejun.chen@windriver.com>
 *
 * 1. Probe driver for the Malta's UART ports:
 *
 *   o 2 ports in the SMC SuperIO
 *   o 1 port in the CBUS UART, a discrete 16550 which normally is only used
 *     for bringups.
 *
 * We don't use 8250_platform.c on Malta as it would result in the CBUS
 * UART becoming ttyS0.
 *
 * 2. Register RTC-CMOS platform device on Malta.
 */
#include <linux/init.h>
#include <linux/serial_8250.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <asm/mips-boards/maltaint.h>


#define SMC_PORT(base, int)						\
{                                                                       \
        .iobase         = base,                                         \
        .irq            = int,                                          \
        .uartclk        = 1843200,                                      \
        .iotype         = UPIO_PORT,                                    \
        .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,            \
        .regshift       = 0,                                            \
}


#define CBUS_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)


static struct plat_serial8250_port uart8250_data[] = {
	SMC_PORT(0x3F8, 4),
	SMC_PORT(0x2F8, 3),
#ifndef CONFIG_MIPS_CMP
	{
		.mapbase	= 0x1f000900,	/* The CBUS UART */
		.irq		= MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
		.uartclk	= 3686400,	/* Twice the usual clk! */
		.iotype		= UPIO_MEM32,
		.flags		= CBUS_UART_FLAGS,
		.regshift	= 3,
        },
#endif
	{ },
};


static struct platform_device malta_uart8250_device = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= uart8250_data,
        },
};


static struct platform_device *malta_devices[] __initdata = {
	&malta_uart8250_device,
};


static int __init malta_add_devices(void) { return platform_add_devices(malta_devices, ARRAY_SIZE(malta_devices)); }

Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle1155.00%133.33%
Tiejun Chen840.00%133.33%
Masahiro Yamada15.00%133.33%
Total20100.00%3100.00%

device_initcall(malta_add_devices);

Overall Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle12678.75%342.86%
Tiejun Chen2515.62%114.29%
Leonid Yegoshin53.12%114.29%
David Howells31.88%114.29%
Masahiro Yamada10.62%114.29%
Total160100.00%7100.00%
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