include/asm-m68k/mcfuart.h - platform/external/u-boot - Gitiles

 /*
  * mcfuart.h -- ColdFire internal UART support defines.
  *
  * File copied from mcfuart.h of uCLinux distribution:
  *      (C) Copyright 1999, Greg Ungerer (gerg@snapgear.com)
  *      (C) Copyright 2000, Lineo Inc. (www.lineo.com)
  *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
  * 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	mcfuart_h
 #define	mcfuart_h
 /****************************************************************************/

 #include <linux/config.h>

 /*
  *	Define the base address of the UARTS within the MBAR address
  *	space.
  */
 #if defined(CONFIG_M5272)
 #define	MCFUART_BASE1		0x100		/* Base address of UART1 */
 #define	MCFUART_BASE2		0x140		/* Base address of UART2 */
 #elif defined(CONFIG_M5204) || defined(CONFIG_M5206) || defined(CONFIG_M5206e)
 #if defined(CONFIG_NETtel)
 #define	MCFUART_BASE1		0x180		/* Base address of UART1 */
 #define	MCFUART_BASE2		0x140		/* Base address of UART2 */
 #else
 #define	MCFUART_BASE1		0x140		/* Base address of UART1 */
 #define	MCFUART_BASE2		0x180		/* Base address of UART2 */
 #endif
 #elif defined(CONFIG_M5282)
 #define MCFUART_BASE1		0x200           /* Base address of UART1 */
 #define MCFUART_BASE2		0x240           /* Base address of UART2 */
 #define MCFUART_BASE3		0x280           /* Base address of UART3 */
 #elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
 #if defined(CONFIG_NETtel) || defined(CONFIG_DISKtel) || defined(CONFIG_SECUREEDGEMP3)
 #define MCFUART_BASE1		0x200           /* Base address of UART1 */
 #define MCFUART_BASE2		0x1c0           /* Base address of UART2 */
 #else
 #define MCFUART_BASE1		0x1c0           /* Base address of UART1 */
 #define MCFUART_BASE2		0x200           /* Base address of UART2 */
 #endif
 #endif


 /*
  *	Define the ColdFire UART register set addresses.
  */
 #define	MCFUART_UMR		0x00		/* Mode register (r/w) */
 #define	MCFUART_USR		0x04		/* Status register (r) */
 #define	MCFUART_UCSR		0x04		/* Clock Select (w) */
 #define	MCFUART_UCR		0x08		/* Command register (w) */
 #define	MCFUART_URB		0x0c		/* Receiver Buffer (r) */
 #define	MCFUART_UTB		0x0c		/* Transmit Buffer (w) */
 #define	MCFUART_UIPCR		0x10		/* Input Port Change (r) */
 #define	MCFUART_UACR		0x10		/* Auxiliary Control (w) */
 #define	MCFUART_UISR		0x14		/* Interrup Status (r) */
 #define	MCFUART_UIMR		0x14		/* Interrupt Mask (w) */
 #define	MCFUART_UBG1		0x18		/* Baud Rate MSB (r/w) */
 #define	MCFUART_UBG2		0x1c		/* Baud Rate LSB (r/w) */
 #ifdef	CONFIG_M5272
 #define	MCFUART_UTF		0x28		/* Transmitter FIFO (r/w) */
 #define	MCFUART_URF		0x2c		/* Receiver FIFO (r/w) */
 #define	MCFUART_UFPD		0x30		/* Frac Prec. Divider (r/w) */
 #else
 #define	MCFUART_UIVR		0x30		/* Interrupt Vector (r/w) */
 #endif
 #define	MCFUART_UIPR		0x34		/* Input Port (r) */
 #define	MCFUART_UOP1		0x38		/* Output Port Bit Set (w) */
 #define	MCFUART_UOP0		0x3c		/* Output Port Bit Reset (w) */

 #ifdef	CONFIG_M5249
 /* Note: This isn't in the 5249 docs */
 #define	MCFUART_UFPD		0x30		/* Frac Prec. Divider (r/w) */
 #endif

 /*
  *	Define bit flags in Mode Register 1 (MR1).
  */
 #define	MCFUART_MR1_RXRTS	0x80		/* Auto RTS flow control */
 #define	MCFUART_MR1_RXIRQFULL	0x40		/* RX IRQ type FULL */
 #define	MCFUART_MR1_RXIRQRDY	0x00		/* RX IRQ type RDY */
 #define	MCFUART_MR1_RXERRBLOCK	0x20		/* RX block error mode */
 #define	MCFUART_MR1_RXERRCHAR	0x00		/* RX char error mode */

 #define	MCFUART_MR1_PARITYNONE	0x10		/* No parity */
 #define	MCFUART_MR1_PARITYEVEN	0x00		/* Even parity */
 #define	MCFUART_MR1_PARITYODD	0x04		/* Odd parity */
 #define	MCFUART_MR1_PARITYSPACE	0x08		/* Space parity */
 #define	MCFUART_MR1_PARITYMARK	0x0c		/* Mark parity */

 #define	MCFUART_MR1_CS5		0x00		/* 5 bits per char */
 #define	MCFUART_MR1_CS6		0x01		/* 6 bits per char */
 #define	MCFUART_MR1_CS7		0x02		/* 7 bits per char */
 #define	MCFUART_MR1_CS8		0x03		/* 8 bits per char */

 /*
  *	Define bit flags in Mode Register 2 (MR2).
  */
 #define	MCFUART_MR2_LOOPBACK	0x80		/* Loopback mode */
 #define	MCFUART_MR2_REMOTELOOP	0xc0		/* Remote loopback mode */
 #define	MCFUART_MR2_AUTOECHO	0x40		/* Automatic echo */
 #define	MCFUART_MR2_TXRTS	0x20		/* Assert RTS on TX */
 #define	MCFUART_MR2_TXCTS	0x10		/* Auto CTS flow control */

 #define	MCFUART_MR2_STOP1	0x07		/* 1 stop bit */
 #define	MCFUART_MR2_STOP15	0x08		/* 1.5 stop bits */
 #define	MCFUART_MR2_STOP2	0x0f		/* 2 stop bits */

 /*
  *	Define bit flags in Status Register (USR).
  */
 #define	MCFUART_USR_RXBREAK	0x80		/* Received BREAK */
 #define	MCFUART_USR_RXFRAMING	0x40		/* Received framing error */
 #define	MCFUART_USR_RXPARITY	0x20		/* Received parity error */
 #define	MCFUART_USR_RXOVERRUN	0x10		/* Received overrun error */
 #define	MCFUART_USR_TXEMPTY	0x08		/* Transmitter empty */
 #define	MCFUART_USR_TXREADY	0x04		/* Transmitter ready */
 #define	MCFUART_USR_RXFULL	0x02		/* Receiver full */
 #define	MCFUART_USR_RXREADY	0x01		/* Receiver ready */

 #define	MCFUART_USR_RXERR	(MCFUART_USR_RXBREAK | MCFUART_USR_RXFRAMING | \
 				MCFUART_USR_RXPARITY | MCFUART_USR_RXOVERRUN)

 /*
  *	Define bit flags in Clock Select Register (UCSR).
  */
 #define	MCFUART_UCSR_RXCLKTIMER	0xd0		/* RX clock is timer */
 #define	MCFUART_UCSR_RXCLKEXT16	0xe0		/* RX clock is external x16 */
 #define	MCFUART_UCSR_RXCLKEXT1	0xf0		/* RX clock is external x1 */

 #define	MCFUART_UCSR_TXCLKTIMER	0x0d		/* TX clock is timer */
 #define	MCFUART_UCSR_TXCLKEXT16	0x0e		/* TX clock is external x16 */
 #define	MCFUART_UCSR_TXCLKEXT1	0x0f		/* TX clock is external x1 */

 /*
  *	Define bit flags in Command Register (UCR).
  */
 #define	MCFUART_UCR_CMDNULL		0x00	/* No command */
 #define	MCFUART_UCR_CMDRESETMRPTR	0x10	/* Reset MR pointer */
 #define	MCFUART_UCR_CMDRESETRX		0x20	/* Reset receiver */
 #define	MCFUART_UCR_CMDRESETTX		0x30	/* Reset transmitter */
 #define	MCFUART_UCR_CMDRESETERR		0x40	/* Reset error status */
 #define	MCFUART_UCR_CMDRESETBREAK	0x50	/* Reset BREAK change */
 #define	MCFUART_UCR_CMDBREAKSTART	0x60	/* Start BREAK */
 #define	MCFUART_UCR_CMDBREAKSTOP	0x70	/* Stop BREAK */

 #define	MCFUART_UCR_TXNULL	0x00		/* No TX command */
 #define	MCFUART_UCR_TXENABLE	0x04		/* Enable TX */
 #define	MCFUART_UCR_TXDISABLE	0x08		/* Disable TX */
 #define	MCFUART_UCR_RXNULL	0x00		/* No RX command */
 #define	MCFUART_UCR_RXENABLE	0x01		/* Enable RX */
 #define	MCFUART_UCR_RXDISABLE	0x02		/* Disable RX */

 /*
  *	Define bit flags in Input Port Change Register (UIPCR).
  */
 #define	MCFUART_UIPCR_CTSCOS	0x10		/* CTS change of state */
 #define	MCFUART_UIPCR_CTS	0x01		/* CTS value */

 /*
  *	Define bit flags in Input Port Register (UIP).
  */
 #define	MCFUART_UIPR_CTS	0x01		/* CTS value */

 /*
  *	Define bit flags in Output Port Registers (UOP).
  *	Clear bit by writing to UOP0, set by writing to UOP1.
  */
 #define	MCFUART_UOP_RTS		0x01		/* RTS set or clear */

 /*
  *	Define bit flags in the Auxiliary Control Register (UACR).
  */
 #define	MCFUART_UACR_IEC	0x01		/* Input enable control */

 /*
  *	Define bit flags in Interrupt Status Register (UISR).
  *	These same bits are used for the Interrupt Mask Register (UIMR).
  */
 #define	MCFUART_UIR_COS		0x80		/* Change of state (CTS) */
 #define	MCFUART_UIR_DELTABREAK	0x04		/* Break start or stop */
 #define	MCFUART_UIR_RXREADY	0x02		/* Receiver ready */
 #define	MCFUART_UIR_TXREADY	0x01		/* Transmitter ready */

 #ifdef	CONFIG_M5272
 /*
  *	Define bit flags in the Transmitter FIFO Register (UTF).
  */
 #define	MCFUART_UTF_TXB		0x1f		/* transmitter data level */
 #define	MCFUART_UTF_FULL	0x20		/* transmitter fifo full */
 #define	MCFUART_UTF_TXS		0xc0		/* transmitter status */

 /*
  *	Define bit flags in the Receiver FIFO Register (URF).
  */
 #define	MCFUART_URF_RXB		0x1f		/* receiver data level */
 #define	MCFUART_URF_FULL	0x20		/* receiver fifo full */
 #define	MCFUART_URF_RXS		0xc0		/* receiver status */
 #endif

 /****************************************************************************/
 #endif	/* mcfuart_h */
	/*
	* mcfuart.h -- ColdFire internal UART support defines.
	*
	* File copied from mcfuart.h of uCLinux distribution:
	* (C) Copyright 1999, Greg Ungerer (gerg@snapgear.com)
	* (C) Copyright 2000, Lineo Inc. (www.lineo.com)
	*
	* See file CREDITS for list of people who contributed to this
	* project.
	*
	* 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 mcfuart_h
	#define mcfuart_h
	/****************************************************************************/

	#include <linux/config.h>

	/*
	* Define the base address of the UARTS within the MBAR address
	* space.
	*/
	#if defined(CONFIG_M5272)
	#define MCFUART_BASE1 0x100 /* Base address of UART1 */
	#define MCFUART_BASE2 0x140 /* Base address of UART2 */
	#elif defined(CONFIG_M5204) \|\| defined(CONFIG_M5206) \|\| defined(CONFIG_M5206e)
	#if defined(CONFIG_NETtel)
	#define MCFUART_BASE1 0x180 /* Base address of UART1 */
	#define MCFUART_BASE2 0x140 /* Base address of UART2 */
	#else
	#define MCFUART_BASE1 0x140 /* Base address of UART1 */
	#define MCFUART_BASE2 0x180 /* Base address of UART2 */
	#endif
	#elif defined(CONFIG_M5282)
	#define MCFUART_BASE1 0x200 /* Base address of UART1 */
	#define MCFUART_BASE2 0x240 /* Base address of UART2 */
	#define MCFUART_BASE3 0x280 /* Base address of UART3 */
	#elif defined(CONFIG_M5249) \|\| defined(CONFIG_M5307) \|\| defined(CONFIG_M5407)
	#if defined(CONFIG_NETtel) \|\| defined(CONFIG_DISKtel) \|\| defined(CONFIG_SECUREEDGEMP3)
	#define MCFUART_BASE1 0x200 /* Base address of UART1 */
	#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */
	#else
	#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */
	#define MCFUART_BASE2 0x200 /* Base address of UART2 */
	#endif
	#endif


	/*
	* Define the ColdFire UART register set addresses.
	*/
	#define MCFUART_UMR 0x00 /* Mode register (r/w) */
	#define MCFUART_USR 0x04 /* Status register (r) */
	#define MCFUART_UCSR 0x04 /* Clock Select (w) */
	#define MCFUART_UCR 0x08 /* Command register (w) */
	#define MCFUART_URB 0x0c /* Receiver Buffer (r) */
	#define MCFUART_UTB 0x0c /* Transmit Buffer (w) */
	#define MCFUART_UIPCR 0x10 /* Input Port Change (r) */
	#define MCFUART_UACR 0x10 /* Auxiliary Control (w) */
	#define MCFUART_UISR 0x14 /* Interrup Status (r) */
	#define MCFUART_UIMR 0x14 /* Interrupt Mask (w) */
	#define MCFUART_UBG1 0x18 /* Baud Rate MSB (r/w) */
	#define MCFUART_UBG2 0x1c /* Baud Rate LSB (r/w) */
	#ifdef CONFIG_M5272
	#define MCFUART_UTF 0x28 /* Transmitter FIFO (r/w) */
	#define MCFUART_URF 0x2c /* Receiver FIFO (r/w) */
	#define MCFUART_UFPD 0x30 /* Frac Prec. Divider (r/w) */
	#else
	#define MCFUART_UIVR 0x30 /* Interrupt Vector (r/w) */
	#endif
	#define MCFUART_UIPR 0x34 /* Input Port (r) */
	#define MCFUART_UOP1 0x38 /* Output Port Bit Set (w) */
	#define MCFUART_UOP0 0x3c /* Output Port Bit Reset (w) */

	#ifdef CONFIG_M5249
	/* Note: This isn't in the 5249 docs */
	#define MCFUART_UFPD 0x30 /* Frac Prec. Divider (r/w) */
	#endif

	/*
	* Define bit flags in Mode Register 1 (MR1).
	*/
	#define MCFUART_MR1_RXRTS 0x80 /* Auto RTS flow control */
	#define MCFUART_MR1_RXIRQFULL 0x40 /* RX IRQ type FULL */
	#define MCFUART_MR1_RXIRQRDY 0x00 /* RX IRQ type RDY */
	#define MCFUART_MR1_RXERRBLOCK 0x20 /* RX block error mode */
	#define MCFUART_MR1_RXERRCHAR 0x00 /* RX char error mode */

	#define MCFUART_MR1_PARITYNONE 0x10 /* No parity */
	#define MCFUART_MR1_PARITYEVEN 0x00 /* Even parity */
	#define MCFUART_MR1_PARITYODD 0x04 /* Odd parity */
	#define MCFUART_MR1_PARITYSPACE 0x08 /* Space parity */
	#define MCFUART_MR1_PARITYMARK 0x0c /* Mark parity */

	#define MCFUART_MR1_CS5 0x00 /* 5 bits per char */
	#define MCFUART_MR1_CS6 0x01 /* 6 bits per char */
	#define MCFUART_MR1_CS7 0x02 /* 7 bits per char */
	#define MCFUART_MR1_CS8 0x03 /* 8 bits per char */

	/*
	* Define bit flags in Mode Register 2 (MR2).
	*/
	#define MCFUART_MR2_LOOPBACK 0x80 /* Loopback mode */
	#define MCFUART_MR2_REMOTELOOP 0xc0 /* Remote loopback mode */
	#define MCFUART_MR2_AUTOECHO 0x40 /* Automatic echo */
	#define MCFUART_MR2_TXRTS 0x20 /* Assert RTS on TX */
	#define MCFUART_MR2_TXCTS 0x10 /* Auto CTS flow control */

	#define MCFUART_MR2_STOP1 0x07 /* 1 stop bit */
	#define MCFUART_MR2_STOP15 0x08 /* 1.5 stop bits */
	#define MCFUART_MR2_STOP2 0x0f /* 2 stop bits */

	/*
	* Define bit flags in Status Register (USR).
	*/
	#define MCFUART_USR_RXBREAK 0x80 /* Received BREAK */
	#define MCFUART_USR_RXFRAMING 0x40 /* Received framing error */
	#define MCFUART_USR_RXPARITY 0x20 /* Received parity error */
	#define MCFUART_USR_RXOVERRUN 0x10 /* Received overrun error */
	#define MCFUART_USR_TXEMPTY 0x08 /* Transmitter empty */
	#define MCFUART_USR_TXREADY 0x04 /* Transmitter ready */
	#define MCFUART_USR_RXFULL 0x02 /* Receiver full */
	#define MCFUART_USR_RXREADY 0x01 /* Receiver ready */

	#define MCFUART_USR_RXERR (MCFUART_USR_RXBREAK \| MCFUART_USR_RXFRAMING \| \
	MCFUART_USR_RXPARITY \| MCFUART_USR_RXOVERRUN)

	/*
	* Define bit flags in Clock Select Register (UCSR).
	*/
	#define MCFUART_UCSR_RXCLKTIMER 0xd0 /* RX clock is timer */
	#define MCFUART_UCSR_RXCLKEXT16 0xe0 /* RX clock is external x16 */
	#define MCFUART_UCSR_RXCLKEXT1 0xf0 /* RX clock is external x1 */

	#define MCFUART_UCSR_TXCLKTIMER 0x0d /* TX clock is timer */
	#define MCFUART_UCSR_TXCLKEXT16 0x0e /* TX clock is external x16 */
	#define MCFUART_UCSR_TXCLKEXT1 0x0f /* TX clock is external x1 */

	/*
	* Define bit flags in Command Register (UCR).
	*/
	#define MCFUART_UCR_CMDNULL 0x00 /* No command */
	#define MCFUART_UCR_CMDRESETMRPTR 0x10 /* Reset MR pointer */
	#define MCFUART_UCR_CMDRESETRX 0x20 /* Reset receiver */
	#define MCFUART_UCR_CMDRESETTX 0x30 /* Reset transmitter */
	#define MCFUART_UCR_CMDRESETERR 0x40 /* Reset error status */
	#define MCFUART_UCR_CMDRESETBREAK 0x50 /* Reset BREAK change */
	#define MCFUART_UCR_CMDBREAKSTART 0x60 /* Start BREAK */
	#define MCFUART_UCR_CMDBREAKSTOP 0x70 /* Stop BREAK */

	#define MCFUART_UCR_TXNULL 0x00 /* No TX command */
	#define MCFUART_UCR_TXENABLE 0x04 /* Enable TX */
	#define MCFUART_UCR_TXDISABLE 0x08 /* Disable TX */
	#define MCFUART_UCR_RXNULL 0x00 /* No RX command */
	#define MCFUART_UCR_RXENABLE 0x01 /* Enable RX */
	#define MCFUART_UCR_RXDISABLE 0x02 /* Disable RX */

	/*
	* Define bit flags in Input Port Change Register (UIPCR).
	*/
	#define MCFUART_UIPCR_CTSCOS 0x10 /* CTS change of state */
	#define MCFUART_UIPCR_CTS 0x01 /* CTS value */

	/*
	* Define bit flags in Input Port Register (UIP).
	*/
	#define MCFUART_UIPR_CTS 0x01 /* CTS value */

	/*
	* Define bit flags in Output Port Registers (UOP).
	* Clear bit by writing to UOP0, set by writing to UOP1.
	*/
	#define MCFUART_UOP_RTS 0x01 /* RTS set or clear */

	/*
	* Define bit flags in the Auxiliary Control Register (UACR).
	*/
	#define MCFUART_UACR_IEC 0x01 /* Input enable control */

	/*
	* Define bit flags in Interrupt Status Register (UISR).
	* These same bits are used for the Interrupt Mask Register (UIMR).
	*/
	#define MCFUART_UIR_COS 0x80 /* Change of state (CTS) */
	#define MCFUART_UIR_DELTABREAK 0x04 /* Break start or stop */
	#define MCFUART_UIR_RXREADY 0x02 /* Receiver ready */
	#define MCFUART_UIR_TXREADY 0x01 /* Transmitter ready */

	#ifdef CONFIG_M5272
	/*
	* Define bit flags in the Transmitter FIFO Register (UTF).
	*/
	#define MCFUART_UTF_TXB 0x1f /* transmitter data level */
	#define MCFUART_UTF_FULL 0x20 /* transmitter fifo full */
	#define MCFUART_UTF_TXS 0xc0 /* transmitter status */

	/*
	* Define bit flags in the Receiver FIFO Register (URF).
	*/
	#define MCFUART_URF_RXB 0x1f /* receiver data level */
	#define MCFUART_URF_FULL 0x20 /* receiver fifo full */
	#define MCFUART_URF_RXS 0xc0 /* receiver status */
	#endif

	/****************************************************************************/
	#endif /* mcfuart_h */