108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
|
|
* 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>
|
|
|
|
/*
|
|
* Memory entry used for the DEBUG_LL UART configuration. See also
|
|
* uncompress.h and debug-macro.S.
|
|
*
|
|
* Note that using a memory location for storing the UART configuration
|
|
* has at least two limitations:
|
|
*
|
|
* 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
|
|
* uncompress code could then partially overwrite itself
|
|
* 2. We assume printascii is called at least once before paging_init,
|
|
* and addruart has a chance to read OMAP_UART_INFO
|
|
*/
|
|
#define OMAP_UART_INFO (PHYS_OFFSET + 0x3ffc)
|
|
|
|
/* 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 0xfa400000
|
|
|
|
#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
|