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: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Kukjin Kim
Ben Dooks
parent
62a6156e88
commit
501dae90b3
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@ -18,6 +18,7 @@ struct s3c24xx_uart_resources {
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extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
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extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
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extern struct s3c24xx_uart_resources s5p_uart_resources[];
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extern struct platform_device *s3c24xx_uart_devs[];
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extern struct platform_device *s3c24xx_uart_src[];
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@ -0,0 +1,165 @@
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/* linux/arch/arm/plat-s5p/dev-uart.c
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*
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* Copyright (c) 2009 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* Base S5P UART resource and device definitions
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/platform_device.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/map.h>
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#include <plat/devs.h>
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/* Serial port registrations */
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static struct resource s5p_uart0_resource[] = {
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[0] = {
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.start = S5P_PA_UART0,
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.end = S5P_PA_UART0 + S5P_SZ_UART,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_S5P_UART_RX0,
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.end = IRQ_S5P_UART_RX0,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = IRQ_S5P_UART_TX0,
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.end = IRQ_S5P_UART_TX0,
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.flags = IORESOURCE_IRQ,
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},
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[3] = {
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.start = IRQ_S5P_UART_ERR0,
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.end = IRQ_S5P_UART_ERR0,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct resource s5p_uart1_resource[] = {
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[0] = {
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.start = S5P_PA_UART1,
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.end = S5P_PA_UART1 + S5P_SZ_UART,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_S5P_UART_RX1,
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.end = IRQ_S5P_UART_RX1,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = IRQ_S5P_UART_TX1,
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.end = IRQ_S5P_UART_TX1,
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.flags = IORESOURCE_IRQ,
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},
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[3] = {
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.start = IRQ_S5P_UART_ERR1,
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.end = IRQ_S5P_UART_ERR1,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct resource s5p_uart2_resource[] = {
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[0] = {
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.start = S5P_PA_UART2,
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.end = S5P_PA_UART2 + S5P_SZ_UART,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_S5P_UART_RX2,
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.end = IRQ_S5P_UART_RX2,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = IRQ_S5P_UART_TX2,
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.end = IRQ_S5P_UART_TX2,
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.flags = IORESOURCE_IRQ,
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},
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[3] = {
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.start = IRQ_S5P_UART_ERR2,
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.end = IRQ_S5P_UART_ERR2,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct resource s5p_uart3_resource[] = {
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[0] = {
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.start = S5P_PA_UART3,
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.end = S5P_PA_UART3 + S5P_SZ_UART,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_S5P_UART_RX3,
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.end = IRQ_S5P_UART_RX3,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = IRQ_S5P_UART_TX3,
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.end = IRQ_S5P_UART_TX3,
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.flags = IORESOURCE_IRQ,
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},
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[3] = {
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.start = IRQ_S5P_UART_ERR3,
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.end = IRQ_S5P_UART_ERR3,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
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[0] = {
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.resources = s5p_uart0_resource,
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.nr_resources = ARRAY_SIZE(s5p_uart0_resource),
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},
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[1] = {
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.resources = s5p_uart1_resource,
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.nr_resources = ARRAY_SIZE(s5p_uart1_resource),
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},
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[2] = {
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.resources = s5p_uart2_resource,
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.nr_resources = ARRAY_SIZE(s5p_uart2_resource),
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},
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[3] = {
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.resources = s5p_uart3_resource,
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.nr_resources = ARRAY_SIZE(s5p_uart3_resource),
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},
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};
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/* uart devices */
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static struct platform_device s5p_uart_device0 = {
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.id = 0,
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};
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static struct platform_device s5p_uart_device1 = {
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.id = 1,
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};
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static struct platform_device s5p_uart_device2 = {
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.id = 2,
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};
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static struct platform_device s5p_uart_device3 = {
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.id = 3,
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};
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struct platform_device *s3c24xx_uart_src[4] = {
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&s5p_uart_device0,
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&s5p_uart_device1,
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&s5p_uart_device2,
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&s5p_uart_device3,
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};
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struct platform_device *s3c24xx_uart_devs[4] = {
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};
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@ -459,7 +459,7 @@ config SERIAL_SAMSUNG_UARTS
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int
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depends on ARM && PLAT_S3C
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default 2 if ARCH_S3C2400
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default 4 if ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
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default 4 if ARCH_S5P6440 || ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
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default 3
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help
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Select the number of available UART ports for the Samsung S3C
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@ -526,11 +526,11 @@ config SERIAL_S3C24A0
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Serial port support for the Samsung S3C24A0 SoC
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config SERIAL_S3C6400
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tristate "Samsung S3C6400/S3C6410 Serial port support"
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depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410)
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tristate "Samsung S3C6400/S3C6410/S5P6440 Serial port support"
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depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440)
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default y
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help
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Serial port support for the Samsung S3C6400 and S3C6410
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Serial port support for the Samsung S3C6400, S3C6410 and S5P6440
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SoCs
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config SERIAL_S5PC100
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