linux_dsm_epyc7002/arch/arm/mach-exynos/dev-uart.c
Kukjin Kim 171c067c1a ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
Actually, the base address of uart is different between EXYNOS4
and EXYNOS5 and this patch enables to support uart for EXYNOS4
and EXYNOS5 SoCs at runtime.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-14 02:13:05 -07:00

79 lines
2.0 KiB
C

/*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Base EXYNOS 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/ioport.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>
#define EXYNOS_UART_RESOURCE(_series, _nr) \
static struct resource exynos##_series##_uart##_nr##_resource[] = { \
[0] = DEFINE_RES_MEM(EXYNOS##_series##_PA_UART##_nr, EXYNOS##_series##_SZ_UART), \
[1] = DEFINE_RES_IRQ(EXYNOS##_series##_IRQ_UART##_nr), \
};
EXYNOS_UART_RESOURCE(4, 0)
EXYNOS_UART_RESOURCE(4, 1)
EXYNOS_UART_RESOURCE(4, 2)
EXYNOS_UART_RESOURCE(4, 3)
struct s3c24xx_uart_resources exynos4_uart_resources[] __initdata = {
[0] = {
.resources = exynos4_uart0_resource,
.nr_resources = ARRAY_SIZE(exynos4_uart0_resource),
},
[1] = {
.resources = exynos4_uart1_resource,
.nr_resources = ARRAY_SIZE(exynos4_uart1_resource),
},
[2] = {
.resources = exynos4_uart2_resource,
.nr_resources = ARRAY_SIZE(exynos4_uart2_resource),
},
[3] = {
.resources = exynos4_uart3_resource,
.nr_resources = ARRAY_SIZE(exynos4_uart3_resource),
},
};
EXYNOS_UART_RESOURCE(5, 0)
EXYNOS_UART_RESOURCE(5, 1)
EXYNOS_UART_RESOURCE(5, 2)
EXYNOS_UART_RESOURCE(5, 3)
struct s3c24xx_uart_resources exynos5_uart_resources[] __initdata = {
[0] = {
.resources = exynos5_uart0_resource,
.nr_resources = ARRAY_SIZE(exynos5_uart0_resource),
},
[1] = {
.resources = exynos5_uart1_resource,
.nr_resources = ARRAY_SIZE(exynos5_uart0_resource),
},
[2] = {
.resources = exynos5_uart2_resource,
.nr_resources = ARRAY_SIZE(exynos5_uart2_resource),
},
[3] = {
.resources = exynos5_uart3_resource,
.nr_resources = ARRAY_SIZE(exynos5_uart3_resource),
},
};