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Commit 433a915f authored by Byungho Min's avatar Byungho Min Committed by Ben Dooks
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ARM: S5PC100: UART and Serial



Serial driver of S5PC100 is the same as S3C6400, so S5PC100 shares the serial
driver with S3C6400. Uart driver is copied from plat-s3c64xx to plat-s5pc1xx,
as I do not use plat-s3c64xx directory.

Signed-off-by: default avatarByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: title fixup]
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent ff54b457
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+174 −0
Original line number Diff line number Diff line
/* linux/arch/arm/plat-s5pc1xx/dev-uart.c
 *
 * Copyright 2009 Samsung Electronics Co.
 *	Byungho Min <bhmin@samsung.com>
 *
 * Based on plat-s3c64xx/dev-uart.c
 *
 * 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 */

/* 64xx uarts are closer together */

static struct resource s5pc1xx_uart0_resource[] = {
	[0] = {
		.start	= S3C_PA_UART0,
		.end	= S3C_PA_UART0 + 0x100,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S3CUART_RX0,
		.end	= IRQ_S3CUART_RX0,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S3CUART_TX0,
		.end	= IRQ_S3CUART_TX0,
		.flags	= IORESOURCE_IRQ,

	},
	[3] = {
		.start	= IRQ_S3CUART_ERR0,
		.end	= IRQ_S3CUART_ERR0,
		.flags	= IORESOURCE_IRQ,
	}
};

static struct resource s5pc1xx_uart1_resource[] = {
	[0] = {
		.start = S3C_PA_UART1,
		.end   = S3C_PA_UART1 + 0x100,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S3CUART_RX1,
		.end	= IRQ_S3CUART_RX1,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S3CUART_TX1,
		.end	= IRQ_S3CUART_TX1,
		.flags	= IORESOURCE_IRQ,

	},
	[3] = {
		.start	= IRQ_S3CUART_ERR1,
		.end	= IRQ_S3CUART_ERR1,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct resource s5pc1xx_uart2_resource[] = {
	[0] = {
		.start = S3C_PA_UART2,
		.end   = S3C_PA_UART2 + 0x100,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S3CUART_RX2,
		.end	= IRQ_S3CUART_RX2,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S3CUART_TX2,
		.end	= IRQ_S3CUART_TX2,
		.flags	= IORESOURCE_IRQ,

	},
	[3] = {
		.start	= IRQ_S3CUART_ERR2,
		.end	= IRQ_S3CUART_ERR2,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct resource s5pc1xx_uart3_resource[] = {
	[0] = {
		.start = S3C_PA_UART3,
		.end   = S3C_PA_UART3 + 0x100,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_S3CUART_RX3,
		.end	= IRQ_S3CUART_RX3,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= IRQ_S3CUART_TX3,
		.end	= IRQ_S3CUART_TX3,
		.flags	= IORESOURCE_IRQ,

	},
	[3] = {
		.start	= IRQ_S3CUART_ERR3,
		.end	= IRQ_S3CUART_ERR3,
		.flags	= IORESOURCE_IRQ,
	},
};


struct s3c24xx_uart_resources s5pc1xx_uart_resources[] __initdata = {
	[0] = {
		.resources	= s5pc1xx_uart0_resource,
		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart0_resource),
	},
	[1] = {
		.resources	= s5pc1xx_uart1_resource,
		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart1_resource),
	},
	[2] = {
		.resources	= s5pc1xx_uart2_resource,
		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart2_resource),
	},
	[3] = {
		.resources	= s5pc1xx_uart3_resource,
		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart3_resource),
	},
};

/* uart devices */

static struct platform_device s3c24xx_uart_device0 = {
	.id		= 0,
};

static struct platform_device s3c24xx_uart_device1 = {
	.id		= 1,
};

static struct platform_device s3c24xx_uart_device2 = {
	.id		= 2,
};

static struct platform_device s3c24xx_uart_device3 = {
	.id		= 3,
};

struct platform_device *s3c24xx_uart_src[4] = {
	&s3c24xx_uart_device0,
	&s3c24xx_uart_device1,
	&s3c24xx_uart_device2,
	&s3c24xx_uart_device3,
};

struct platform_device *s3c24xx_uart_devs[4] = {
};
+8 −1
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_S3C64XX || CPU_S3C2443
	default 4 if ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
	default 3
	help
	  Select the number of available UART ports for the Samsung S3C
@@ -533,6 +533,13 @@ config SERIAL_S3C6400
	  Serial port support for the Samsung S3C6400 and S3C6410
	  SoCs

config SERIAL_S5PC100
	tristate "Samsung S5PC100 Serial port support"
	depends on SERIAL_SAMSUNG && CPU_S5PC100
	default y
	help
	  Serial port support for the Samsung S5PC100 SoCs

config SERIAL_MAX3100
	tristate "MAX3100 support"
	depends on SPI
+1 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o
obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o
obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o
obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o
obj-$(CONFIG_SERIAL_S5PC100) += s3c6400.o
obj-$(CONFIG_SERIAL_MAX3100) += max3100.o
obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
obj-$(CONFIG_SERIAL_MUX) += mux.o