path: root/arch/arm/plat-omap/include/plat/serial.h

/*
 * arch/arm/plat-omap/include/mach/serial.h
 *
 * Copyright (C) 2009 Texas Instruments
 * Addded OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */

#ifndef __ASM_ARCH_SERIAL_H
#define __ASM_ARCH_SERIAL_H

#include <linux/init.h>

/* OMAP1 serial ports */
#define OMAP1_UART1_BASE	0xfffb0000
#define OMAP1_UART2_BASE	0xfffb0800
#define OMAP1_UART3_BASE	0xfffb9800

/* OMAP2 serial ports */
#define OMAP2_UART1_BASE	0x4806a000
#define OMAP2_UART2_BASE	0x4806c000
#define OMAP2_UART3_BASE	0x4806e000

/* OMAP3 serial ports */
#define OMAP3_UART1_BASE	0x4806a000
#define OMAP3_UART2_BASE	0x4806c000
#define OMAP3_UART3_BASE	0x49020000
#define OMAP3_UART4_BASE	0x49042000	/* Only on 36xx */

/* OMAP4 serial ports */
#define OMAP4_UART1_BASE	0x4806a000
#define OMAP4_UART2_BASE	0x4806c000
#define OMAP4_UART3_BASE	0x48020000
#define OMAP4_UART4_BASE	0x4806e000

#define OMAP_PORT_SHIFT		2
#define OMAP7XX_PORT_SHIFT	0

#define OMAP1510_BASE_BAUD	(12000000/16)
#define OMAP16XX_BASE_BAUD	(48000000/16)
#define OMAP24XX_BASE_BAUD	(48000000/16)

/* This is only used by 8250.c for omap1510 */
#define is_omap_port(pt)	({int __ret = 0;			\
			if ((pt)->port.mapbase == OMAP1_UART1_BASE ||	\
			    (pt)->port.mapbase == OMAP1_UART2_BASE ||	\
			    (pt)->port.mapbase == OMAP1_UART3_BASE)	\
				__ret = 1;				\
			__ret;						\
			})

#ifndef __ASSEMBLER__
extern void __init omap_serial_early_init(void);
extern void omap_serial_init(void);
extern void omap_serial_init_port(int port);
extern int omap_uart_can_sleep(void);
extern void omap_uart_check_wakeup(void);
extern void omap_uart_prepare_suspend(void);
extern void omap_uart_prepare_idle(int num);
extern void omap_uart_resume_idle(int num);
extern void omap_uart_enable_irqs(int enable);
#endif

#endif