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Commit 501dae90 authored by Kukjin Kim's avatar Kukjin Kim Committed by Ben Dooks
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ARM: S5P6440: Add serial port support



This patch adds UART serial port support for S5P6440 CPU. Most of the
serial support of Samsung's 6400 CPU is reused for 6440 CPU.

Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 62a6156e
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+1 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ struct s3c24xx_uart_resources {

extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
extern struct s3c24xx_uart_resources s5p_uart_resources[];

extern struct platform_device *s3c24xx_uart_devs[];
extern struct platform_device *s3c24xx_uart_src[];
+165 −0
Original line number Diff line number Diff line
/* linux/arch/arm/plat-s5p/dev-uart.c
 *
 * Copyright (c) 2009 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com/
 *
 * Base S5P UART resource and device definitions
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/platform_device.h>

#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/map.h>

#include <plat/devs.h>

 /* Serial port registrations */

static struct resource s5p_uart0_resource[] = {
	[0] = {
		.start	= S5P_PA_UART0,
		.end	= S5P_PA_UART0 + S5P_SZ_UART,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S5P_UART_RX0,
		.end	= IRQ_S5P_UART_RX0,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S5P_UART_TX0,
		.end	= IRQ_S5P_UART_TX0,
		.flags	= IORESOURCE_IRQ,
	},
	[3] = {
		.start	= IRQ_S5P_UART_ERR0,
		.end	= IRQ_S5P_UART_ERR0,
		.flags	= IORESOURCE_IRQ,
	}
};

static struct resource s5p_uart1_resource[] = {
	[0] = {
		.start	= S5P_PA_UART1,
		.end	= S5P_PA_UART1 + S5P_SZ_UART,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S5P_UART_RX1,
		.end	= IRQ_S5P_UART_RX1,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S5P_UART_TX1,
		.end	= IRQ_S5P_UART_TX1,
		.flags	= IORESOURCE_IRQ,
	},
	[3] = {
		.start	= IRQ_S5P_UART_ERR1,
		.end	= IRQ_S5P_UART_ERR1,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct resource s5p_uart2_resource[] = {
	[0] = {
		.start	= S5P_PA_UART2,
		.end	= S5P_PA_UART2 + S5P_SZ_UART,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S5P_UART_RX2,
		.end	= IRQ_S5P_UART_RX2,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S5P_UART_TX2,
		.end	= IRQ_S5P_UART_TX2,
		.flags	= IORESOURCE_IRQ,
	},
	[3] = {
		.start	= IRQ_S5P_UART_ERR2,
		.end	= IRQ_S5P_UART_ERR2,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct resource s5p_uart3_resource[] = {
	[0] = {
		.start	= S5P_PA_UART3,
		.end	= S5P_PA_UART3 + S5P_SZ_UART,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S5P_UART_RX3,
		.end	= IRQ_S5P_UART_RX3,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S5P_UART_TX3,
		.end	= IRQ_S5P_UART_TX3,
		.flags	= IORESOURCE_IRQ,
	},
	[3] = {
		.start	= IRQ_S5P_UART_ERR3,
		.end	= IRQ_S5P_UART_ERR3,
		.flags	= IORESOURCE_IRQ,
	},
};

struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
	[0] = {
		.resources	= s5p_uart0_resource,
		.nr_resources	= ARRAY_SIZE(s5p_uart0_resource),
	},
	[1] = {
		.resources	= s5p_uart1_resource,
		.nr_resources	= ARRAY_SIZE(s5p_uart1_resource),
	},
	[2] = {
		.resources	= s5p_uart2_resource,
		.nr_resources	= ARRAY_SIZE(s5p_uart2_resource),
	},
	[3] = {
		.resources	= s5p_uart3_resource,
		.nr_resources	= ARRAY_SIZE(s5p_uart3_resource),
	},
};

/* uart devices */

static struct platform_device s5p_uart_device0 = {
	.id		= 0,
};

static struct platform_device s5p_uart_device1 = {
	.id		= 1,
};

static struct platform_device s5p_uart_device2 = {
	.id		= 2,
};

static struct platform_device s5p_uart_device3 = {
	.id		= 3,
};

struct platform_device *s3c24xx_uart_src[4] = {
	&s5p_uart_device0,
	&s5p_uart_device1,
	&s5p_uart_device2,
	&s5p_uart_device3,
};

struct platform_device *s3c24xx_uart_devs[4] = {
};
+4 −4
Original line number Diff line number Diff line
@@ -459,7 +459,7 @@ config SERIAL_SAMSUNG_UARTS
	int
	depends on ARM && PLAT_S3C
	default 2 if ARCH_S3C2400
	default 4 if ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
	default 4 if ARCH_S5P6440 || ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
	default 3
	help
	  Select the number of available UART ports for the Samsung S3C
@@ -526,11 +526,11 @@ config SERIAL_S3C24A0
	  Serial port support for the Samsung S3C24A0 SoC

config SERIAL_S3C6400
	tristate "Samsung S3C6400/S3C6410 Serial port support"
	depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410)
	tristate "Samsung S3C6400/S3C6410/S5P6440 Serial port support"
	depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440)
	default y
	help
	  Serial port support for the Samsung S3C6400 and S3C6410
	  Serial port support for the Samsung S3C6400, S3C6410 and S5P6440
	  SoCs

config SERIAL_S5PC100