|  | /* linux/include/asm-arm/arch-s3c2410/regs-serial.h | 
|  | * | 
|  | *  From linux/include/asm-arm/hardware/serial_s3c2410.h | 
|  | * | 
|  | *  Internal header file for Samsung S3C2410 serial ports (UART0-2) | 
|  | * | 
|  | *  Copyright (C) 2002 Shane Nay (shane@minirl.com) | 
|  | * | 
|  | *  Additional defines, (c) 2003 Simtec Electronics (linux@simtec.co.uk) | 
|  | * | 
|  | *  Adapted from: | 
|  | * | 
|  | *  Internal header file for MX1ADS serial ports (UART1 & 2) | 
|  | * | 
|  | *  Copyright (C) 2002 Shane Nay (shane@minirl.com) | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | * | 
|  | * 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. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  |  | 
|  | #ifndef __ASM_ARM_REGS_SERIAL_H | 
|  | #define __ASM_ARM_REGS_SERIAL_H | 
|  |  | 
|  | #define S3C24XX_VA_UART0      (S3C_VA_UART) | 
|  | #define S3C24XX_VA_UART1      (S3C_VA_UART + 0x4000 ) | 
|  | #define S3C24XX_VA_UART2      (S3C_VA_UART + 0x8000 ) | 
|  | #define S3C24XX_VA_UART3      (S3C_VA_UART + 0xC000 ) | 
|  |  | 
|  | #define S3C2410_PA_UART0      (S3C24XX_PA_UART) | 
|  | #define S3C2410_PA_UART1      (S3C24XX_PA_UART + 0x4000 ) | 
|  | #define S3C2410_PA_UART2      (S3C24XX_PA_UART + 0x8000 ) | 
|  | #define S3C2443_PA_UART3      (S3C24XX_PA_UART + 0xC000 ) | 
|  |  | 
|  | #define S3C2410_URXH	  (0x24) | 
|  | #define S3C2410_UTXH	  (0x20) | 
|  | #define S3C2410_ULCON	  (0x00) | 
|  | #define S3C2410_UCON	  (0x04) | 
|  | #define S3C2410_UFCON	  (0x08) | 
|  | #define S3C2410_UMCON	  (0x0C) | 
|  | #define S3C2410_UBRDIV	  (0x28) | 
|  | #define S3C2410_UTRSTAT	  (0x10) | 
|  | #define S3C2410_UERSTAT	  (0x14) | 
|  | #define S3C2410_UFSTAT	  (0x18) | 
|  | #define S3C2410_UMSTAT	  (0x1C) | 
|  |  | 
|  | #define S3C2410_LCON_CFGMASK	  ((0xF<<3)|(0x3)) | 
|  |  | 
|  | #define S3C2410_LCON_CS5	  (0x0) | 
|  | #define S3C2410_LCON_CS6	  (0x1) | 
|  | #define S3C2410_LCON_CS7	  (0x2) | 
|  | #define S3C2410_LCON_CS8	  (0x3) | 
|  | #define S3C2410_LCON_CSMASK	  (0x3) | 
|  |  | 
|  | #define S3C2410_LCON_PNONE	  (0x0) | 
|  | #define S3C2410_LCON_PEVEN	  (0x5 << 3) | 
|  | #define S3C2410_LCON_PODD	  (0x4 << 3) | 
|  | #define S3C2410_LCON_PMASK	  (0x7 << 3) | 
|  |  | 
|  | #define S3C2410_LCON_STOPB	  (1<<2) | 
|  | #define S3C2410_LCON_IRM          (1<<6) | 
|  |  | 
|  | #define S3C2440_UCON_CLKMASK	  (3<<10) | 
|  | #define S3C2440_UCON_PCLK	  (0<<10) | 
|  | #define S3C2440_UCON_UCLK	  (1<<10) | 
|  | #define S3C2440_UCON_PCLK2	  (2<<10) | 
|  | #define S3C2440_UCON_FCLK	  (3<<10) | 
|  | #define S3C2443_UCON_EPLL	  (3<<10) | 
|  |  | 
|  | #define S3C2440_UCON2_FCLK_EN	  (1<<15) | 
|  | #define S3C2440_UCON0_DIVMASK	  (15 << 12) | 
|  | #define S3C2440_UCON1_DIVMASK	  (15 << 12) | 
|  | #define S3C2440_UCON2_DIVMASK	  (7 << 12) | 
|  | #define S3C2440_UCON_DIVSHIFT	  (12) | 
|  |  | 
|  | #define S3C2412_UCON_CLKMASK	(3<<10) | 
|  | #define S3C2412_UCON_UCLK	(1<<10) | 
|  | #define S3C2412_UCON_USYSCLK	(3<<10) | 
|  | #define S3C2412_UCON_PCLK	(0<<10) | 
|  | #define S3C2412_UCON_PCLK2	(2<<10) | 
|  |  | 
|  | #define S3C2410_UCON_UCLK	  (1<<10) | 
|  | #define S3C2410_UCON_SBREAK	  (1<<4) | 
|  |  | 
|  | #define S3C2410_UCON_TXILEVEL	  (1<<9) | 
|  | #define S3C2410_UCON_RXILEVEL	  (1<<8) | 
|  | #define S3C2410_UCON_TXIRQMODE	  (1<<2) | 
|  | #define S3C2410_UCON_RXIRQMODE	  (1<<0) | 
|  | #define S3C2410_UCON_RXFIFO_TOI	  (1<<7) | 
|  | #define S3C2443_UCON_RXERR_IRQEN  (1<<6) | 
|  | #define S3C2443_UCON_LOOPBACK	  (1<<5) | 
|  |  | 
|  | #define S3C2410_UCON_DEFAULT	  (S3C2410_UCON_TXILEVEL  | \ | 
|  | S3C2410_UCON_RXILEVEL  | \ | 
|  | S3C2410_UCON_TXIRQMODE | \ | 
|  | S3C2410_UCON_RXIRQMODE | \ | 
|  | S3C2410_UCON_RXFIFO_TOI) | 
|  |  | 
|  | #define S3C2410_UFCON_FIFOMODE	  (1<<0) | 
|  | #define S3C2410_UFCON_TXTRIG0	  (0<<6) | 
|  | #define S3C2410_UFCON_RXTRIG8	  (1<<4) | 
|  | #define S3C2410_UFCON_RXTRIG12	  (2<<4) | 
|  |  | 
|  | /* S3C2440 FIFO trigger levels */ | 
|  | #define S3C2440_UFCON_RXTRIG1	  (0<<4) | 
|  | #define S3C2440_UFCON_RXTRIG8	  (1<<4) | 
|  | #define S3C2440_UFCON_RXTRIG16	  (2<<4) | 
|  | #define S3C2440_UFCON_RXTRIG32	  (3<<4) | 
|  |  | 
|  | #define S3C2440_UFCON_TXTRIG0	  (0<<6) | 
|  | #define S3C2440_UFCON_TXTRIG16	  (1<<6) | 
|  | #define S3C2440_UFCON_TXTRIG32	  (2<<6) | 
|  | #define S3C2440_UFCON_TXTRIG48	  (3<<6) | 
|  |  | 
|  | #define S3C2410_UFCON_RESETBOTH	  (3<<1) | 
|  | #define S3C2410_UFCON_RESETTX	  (1<<2) | 
|  | #define S3C2410_UFCON_RESETRX	  (1<<1) | 
|  |  | 
|  | #define S3C2410_UFCON_DEFAULT	  (S3C2410_UFCON_FIFOMODE | \ | 
|  | S3C2410_UFCON_TXTRIG0  | \ | 
|  | S3C2410_UFCON_RXTRIG8 ) | 
|  |  | 
|  | #define	S3C2410_UMCOM_AFC	  (1<<4) | 
|  | #define	S3C2410_UMCOM_RTS_LOW	  (1<<0) | 
|  |  | 
|  | #define S3C2412_UMCON_AFC_63	(0<<5)		/* same as s3c2443 */ | 
|  | #define S3C2412_UMCON_AFC_56	(1<<5) | 
|  | #define S3C2412_UMCON_AFC_48	(2<<5) | 
|  | #define S3C2412_UMCON_AFC_40	(3<<5) | 
|  | #define S3C2412_UMCON_AFC_32	(4<<5) | 
|  | #define S3C2412_UMCON_AFC_24	(5<<5) | 
|  | #define S3C2412_UMCON_AFC_16	(6<<5) | 
|  | #define S3C2412_UMCON_AFC_8	(7<<5) | 
|  |  | 
|  | #define S3C2410_UFSTAT_TXFULL	  (1<<9) | 
|  | #define S3C2410_UFSTAT_RXFULL	  (1<<8) | 
|  | #define S3C2410_UFSTAT_TXMASK	  (15<<4) | 
|  | #define S3C2410_UFSTAT_TXSHIFT	  (4) | 
|  | #define S3C2410_UFSTAT_RXMASK	  (15<<0) | 
|  | #define S3C2410_UFSTAT_RXSHIFT	  (0) | 
|  |  | 
|  | /* UFSTAT S3C2443 same as S3C2440 */ | 
|  | #define S3C2440_UFSTAT_TXFULL	  (1<<14) | 
|  | #define S3C2440_UFSTAT_RXFULL	  (1<<6) | 
|  | #define S3C2440_UFSTAT_TXSHIFT	  (8) | 
|  | #define S3C2440_UFSTAT_RXSHIFT	  (0) | 
|  | #define S3C2440_UFSTAT_TXMASK	  (63<<8) | 
|  | #define S3C2440_UFSTAT_RXMASK	  (63) | 
|  |  | 
|  | #define S3C2410_UTRSTAT_TXE	  (1<<2) | 
|  | #define S3C2410_UTRSTAT_TXFE	  (1<<1) | 
|  | #define S3C2410_UTRSTAT_RXDR	  (1<<0) | 
|  |  | 
|  | #define S3C2410_UERSTAT_OVERRUN	  (1<<0) | 
|  | #define S3C2410_UERSTAT_FRAME	  (1<<2) | 
|  | #define S3C2410_UERSTAT_BREAK	  (1<<3) | 
|  | #define S3C2443_UERSTAT_PARITY	  (1<<1) | 
|  |  | 
|  | #define S3C2410_UERSTAT_ANY	  (S3C2410_UERSTAT_OVERRUN | \ | 
|  | S3C2410_UERSTAT_FRAME | \ | 
|  | S3C2410_UERSTAT_BREAK) | 
|  |  | 
|  | #define S3C2410_UMSTAT_CTS	  (1<<0) | 
|  | #define S3C2410_UMSTAT_DeltaCTS	  (1<<2) | 
|  |  | 
|  | #define S3C2443_DIVSLOT		  (0x2C) | 
|  |  | 
|  | #ifndef __ASSEMBLY__ | 
|  |  | 
|  | /* struct s3c24xx_uart_clksrc | 
|  | * | 
|  | * this structure defines a named clock source that can be used for the | 
|  | * uart, so that the best clock can be selected for the requested baud | 
|  | * rate. | 
|  | * | 
|  | * min_baud and max_baud define the range of baud-rates this clock is | 
|  | * acceptable for, if they are both zero, it is assumed any baud rate that | 
|  | * can be generated from this clock will be used. | 
|  | * | 
|  | * divisor gives the divisor from the clock to the one seen by the uart | 
|  | */ | 
|  |  | 
|  | struct s3c24xx_uart_clksrc { | 
|  | const char	*name; | 
|  | unsigned int	 divisor; | 
|  | unsigned int	 min_baud; | 
|  | unsigned int	 max_baud; | 
|  | }; | 
|  |  | 
|  | /* configuration structure for per-machine configurations for the | 
|  | * serial port | 
|  | * | 
|  | * the pointer is setup by the machine specific initialisation from the | 
|  | * arch/arm/mach-s3c2410/ directory. | 
|  | */ | 
|  |  | 
|  | struct s3c2410_uartcfg { | 
|  | unsigned char	   hwport;	 /* hardware port number */ | 
|  | unsigned char	   unused; | 
|  | unsigned short	   flags; | 
|  | upf_t		   uart_flags;	 /* default uart flags */ | 
|  |  | 
|  | unsigned long	   ucon;	 /* value of ucon for port */ | 
|  | unsigned long	   ulcon;	 /* value of ulcon for port */ | 
|  | unsigned long	   ufcon;	 /* value of ufcon for port */ | 
|  |  | 
|  | struct s3c24xx_uart_clksrc *clocks; | 
|  | unsigned int		    clocks_size; | 
|  | }; | 
|  |  | 
|  | /* s3c24xx_uart_devs | 
|  | * | 
|  | * this is exported from the core as we cannot use driver_register(), | 
|  | * or platform_add_device() before the console_initcall() | 
|  | */ | 
|  |  | 
|  | extern struct platform_device *s3c24xx_uart_devs[3]; | 
|  |  | 
|  | #endif /* __ASSEMBLY__ */ | 
|  |  | 
|  | #endif /* __ASM_ARM_REGS_SERIAL_H */ | 
|  |  |