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/*
* 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 OMAP2_UART1_BASE
#define OMAP3_UART2_BASE OMAP2_UART2_BASE
#define OMAP3_UART3_BASE 0x49020000
#define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */
/* OMAP4 serial ports */
#define OMAP4_UART1_BASE OMAP2_UART1_BASE
#define OMAP4_UART2_BASE OMAP2_UART2_BASE
#define OMAP4_UART3_BASE 0x48020000
#define OMAP4_UART4_BASE 0x4806e000
/* External port on Zoom2/3 */
#define ZOOM_UART_BASE 0x10000000
#define ZOOM_UART_VIRT 0xfb000000
#define OMAP_PORT_SHIFT 2
#define OMAP7XX_PORT_SHIFT 0
#define ZOOM_PORT_SHIFT 1
#define OMAP1510_BASE_BAUD (12000000/16)
#define OMAP16XX_BASE_BAUD (48000000/16)
#define OMAP24XX_BASE_BAUD (48000000/16)
/*
* DEBUG_LL port encoding stored into the UART1 scratchpad register by
* decomp_setup in uncompress.h
*/
#define OMAP1UART1 11
#define OMAP1UART2 12
#define OMAP1UART3 13
#define OMAP2UART1 21
#define OMAP2UART2 22
#define OMAP2UART3 23
#define OMAP3UART1 OMAP2UART1
#define OMAP3UART2 OMAP2UART2
#define OMAP3UART3 33
#define OMAP3UART4 34 /* Only on 36xx */
#define OMAP4UART1 OMAP2UART1
#define OMAP4UART2 OMAP2UART2
#define OMAP4UART3 43
#define OMAP4UART4 44
#define ZOOM_UART 95 /* Only on zoom2/3 */
/* 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
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