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Commit 9fcd66e5 authored by Maxime Bizon's avatar Maxime Bizon Committed by Ralf Baechle
Browse files

MIPS: BCM63xx: Add serial driver for bcm63xx integrated UART. 



Signed-off-by: default avatarMaxime Bizon <mbizon@freebox.fr>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 8813d33e

arch/mips/bcm63xx/Makefile

+1 −1
Original line number Diff line number Diff line 
obj-y		+= clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \

		   dev-dsp.o dev-enet.o

		   dev-dsp.o dev-enet.o dev-uart.o

obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o



obj-y		+= boards/

arch/mips/bcm63xx/boards/board_bcm963xx.c

+3 −0
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@@ -23,6 +23,7 @@ 
#include <bcm63xx_dev_pci.h>

#include <bcm63xx_dev_enet.h>

#include <bcm63xx_dev_dsp.h>

#include <bcm63xx_dev_uart.h>

#include <board_bcm963xx.h>



#define PFX	"board_bcm963xx: "
@@ -792,6 +793,8 @@ int __init board_register_devices(void) 
{

	u32 val;



	bcm63xx_uart_register();



	if (board.has_enet0 &&

	    !board_get_mac_address(board.enet0.mac_addr))

		bcm63xx_enet_register(0, &board.enet0);

arch/mips/bcm63xx/dev-uart.c

0 → 100644
+41 −0
Original line number Diff line number Diff line 
/*

 * 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) 2008 Maxime Bizon <mbizon@freebox.fr>

 */



#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <bcm63xx_cpu.h>

#include <bcm63xx_dev_uart.h>



static struct resource uart_resources[] = {

	{

		.start		= -1, /* filled at runtime */

		.end		= -1, /* filled at runtime */

		.flags		= IORESOURCE_MEM,

	},

	{

		.start		= -1, /* filled at runtime */

		.flags		= IORESOURCE_IRQ,

	},

};



static struct platform_device bcm63xx_uart_device = {

	.name		= "bcm63xx_uart",

	.id		= 0,

	.num_resources	= ARRAY_SIZE(uart_resources),

	.resource	= uart_resources,

};



int __init bcm63xx_uart_register(void)

{

	uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);

	uart_resources[0].end = uart_resources[0].start;

	uart_resources[0].end += RSET_UART_SIZE - 1;

	uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);

	return platform_device_register(&bcm63xx_uart_device);

}

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h

0 → 100644
+6 −0
Original line number Diff line number Diff line 
#ifndef BCM63XX_DEV_UART_H_

#define BCM63XX_DEV_UART_H_



int bcm63xx_uart_register(void);



#endif /* BCM63XX_DEV_UART_H_ */

drivers/serial/Kconfig

+19 −0
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@@ -1458,4 +1458,23 @@ config SERIAL_TIMBERDALE 
	---help---

	Add support for UART controller on timberdale.



config SERIAL_BCM63XX

	tristate "bcm63xx serial port support"

	select SERIAL_CORE

	depends on BCM63XX

	help

	  If you have a bcm63xx CPU, you can enable its onboard

	  serial port by enabling this options.



          To compile this driver as a module, choose M here: the

          module will be called bcm963xx_uart.



config SERIAL_BCM63XX_CONSOLE

	bool "Console on bcm63xx serial port"

	depends on SERIAL_BCM63XX=y

	select SERIAL_CORE_CONSOLE

	help

	  If you have enabled the serial port on the bcm63xx CPU

	  you can make it the console by answering Y to this option.



endmenu