[linux-2.6-block.git] / include / asm-m68knommu / mcfuart.h

/****************************************************************************/

/*
 *	mcfuart.h -- ColdFire internal UART support defines.
 *
 *	(C) Copyright 1999-2003, Greg Ungerer (gerg@snapgear.com)
 * 	(C) Copyright 2000, Lineo Inc. (www.lineo.com) 
 */

/****************************************************************************/
#ifndef	mcfuart_h
#define	mcfuart_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_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_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
#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_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
#elif defined(CONFIG_M520x)
#define MCFUART_BASE1		0x60000		/* Base address of UART1 */
#define MCFUART_BASE2		0x64000		/* Base address of UART2 */
#define MCFUART_BASE3		0x68000		/* Base address of UART2 */
#elif defined(CONFIG_M532x)
#define MCFUART_BASE1		0xfc060000	/* Base address of UART1 */
#define MCFUART_BASE2		0xfc064000	/* Base address of UART2 */
#define MCFUART_BASE3		0xfc068000	/* Base address of UART3 */
#endif


#include <linux/serial_core.h>
#include <linux/platform_device.h>

struct mcf_platform_uart {
	unsigned long	mapbase;	/* Physical address base */
	void __iomem	*membase;	/* Virtual address if mapped */
	unsigned int	irq;		/* Interrupt vector */
	unsigned int	uartclk;	/* UART clock rate */
};

/*
 *	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		/* Interrupt 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) */


/*
 *	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 */
Commit	Line	Data
1da177e4 LT	1	/****************************************************************************/
	2
	3	/*
	4	* mcfuart.h -- ColdFire internal UART support defines.
	5	*
	6	* (C) Copyright 1999-2003, Greg Ungerer (gerg@snapgear.com)
	7	* (C) Copyright 2000, Lineo Inc. (www.lineo.com)
	8	*/
	9
	10	/****************************************************************************/
	11	#ifndef mcfuart_h
	12	#define mcfuart_h
	13	/****************************************************************************/
	14
1da177e4 LT	15	/*
	16	* Define the base address of the UARTS within the MBAR address
	17	* space.
	18	*/
	19	#if defined(CONFIG_M5272)
	20	#define MCFUART_BASE1 0x100 /* Base address of UART1 */
	21	#define MCFUART_BASE2 0x140 /* Base address of UART2 */
c155f3f9	22	#elif defined(CONFIG_M5206) \|\| defined(CONFIG_M5206e)
1da177e4 LT	23	#if defined(CONFIG_NETtel)
	24	#define MCFUART_BASE1 0x180 /* Base address of UART1 */
	25	#define MCFUART_BASE2 0x140 /* Base address of UART2 */
	26	#else
	27	#define MCFUART_BASE1 0x140 /* Base address of UART1 */
	28	#define MCFUART_BASE2 0x180 /* Base address of UART2 */
	29	#endif
7dbdd91f	30	#elif defined(CONFIG_M523x) \|\| defined(CONFIG_M527x) \|\| defined(CONFIG_M528x)
1da177e4 LT	31	#define MCFUART_BASE1 0x200 /* Base address of UART1 */
	32	#define MCFUART_BASE2 0x240 /* Base address of UART2 */
	33	#define MCFUART_BASE3 0x280 /* Base address of UART3 */
	34	#elif defined(CONFIG_M5249) \|\| defined(CONFIG_M5307) \|\| defined(CONFIG_M5407)
f6efaf62	35	#if defined(CONFIG_NETtel) \|\| defined(CONFIG_SECUREEDGEMP3)
1da177e4 LT	36	#define MCFUART_BASE1 0x200 /* Base address of UART1 */
	37	#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */
	38	#else
	39	#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */
	40	#define MCFUART_BASE2 0x200 /* Base address of UART2 */
	41	#endif
06227039 GU	42	#elif defined(CONFIG_M520x)
	43	#define MCFUART_BASE1 0x60000 /* Base address of UART1 */
	44	#define MCFUART_BASE2 0x64000 /* Base address of UART2 */
	45	#define MCFUART_BASE3 0x68000 /* Base address of UART2 */
f3dd7120 GU	46	#elif defined(CONFIG_M532x)
	47	#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */
	48	#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */
	49	#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */
1da177e4 LT	50	#endif
	51
	52
99dc736f GU	53	#include <linux/serial_core.h>
	54	#include <linux/platform_device.h>
	55
	56	struct mcf_platform_uart {
	57	unsigned long mapbase; /* Physical address base */
	58	void __iomem membase; / Virtual address if mapped */
	59	unsigned int irq; /* Interrupt vector */
	60	unsigned int uartclk; /* UART clock rate */
	61	};
	62
1da177e4 LT	63	/*
	64	* Define the ColdFire UART register set addresses.
	65	*/
	66	#define MCFUART_UMR 0x00 /* Mode register (r/w) */
	67	#define MCFUART_USR 0x04 /* Status register (r) */
	68	#define MCFUART_UCSR 0x04 /* Clock Select (w) */
	69	#define MCFUART_UCR 0x08 /* Command register (w) */
	70	#define MCFUART_URB 0x0c /* Receiver Buffer (r) */
	71	#define MCFUART_UTB 0x0c /* Transmit Buffer (w) */
	72	#define MCFUART_UIPCR 0x10 /* Input Port Change (r) */
	73	#define MCFUART_UACR 0x10 /* Auxiliary Control (w) */
ab690d9f	74	#define MCFUART_UISR 0x14 /* Interrupt Status (r) */
1da177e4 LT	75	#define MCFUART_UIMR 0x14 /* Interrupt Mask (w) */
	76	#define MCFUART_UBG1 0x18 /* Baud Rate MSB (r/w) */
	77	#define MCFUART_UBG2 0x1c /* Baud Rate LSB (r/w) */
	78	#ifdef CONFIG_M5272
	79	#define MCFUART_UTF 0x28 /* Transmitter FIFO (r/w) */
	80	#define MCFUART_URF 0x2c /* Receiver FIFO (r/w) */
	81	#define MCFUART_UFPD 0x30 /* Frac Prec. Divider (r/w) */
	82	#else
	83	#define MCFUART_UIVR 0x30 /* Interrupt Vector (r/w) */
	84	#endif
	85	#define MCFUART_UIPR 0x34 /* Input Port (r) */
	86	#define MCFUART_UOP1 0x38 /* Output Port Bit Set (w) */
	87	#define MCFUART_UOP0 0x3c /* Output Port Bit Reset (w) */
	88
	89
	90	/*
	91	* Define bit flags in Mode Register 1 (MR1).
	92	*/
	93	#define MCFUART_MR1_RXRTS 0x80 /* Auto RTS flow control */
	94	#define MCFUART_MR1_RXIRQFULL 0x40 /* RX IRQ type FULL */
	95	#define MCFUART_MR1_RXIRQRDY 0x00 /* RX IRQ type RDY */
	96	#define MCFUART_MR1_RXERRBLOCK 0x20 /* RX block error mode */
	97	#define MCFUART_MR1_RXERRCHAR 0x00 /* RX char error mode */
	98
	99	#define MCFUART_MR1_PARITYNONE 0x10 /* No parity */
	100	#define MCFUART_MR1_PARITYEVEN 0x00 /* Even parity */
	101	#define MCFUART_MR1_PARITYODD 0x04 /* Odd parity */
	102	#define MCFUART_MR1_PARITYSPACE 0x08 /* Space parity */
	103	#define MCFUART_MR1_PARITYMARK 0x0c /* Mark parity */
	104
	105	#define MCFUART_MR1_CS5 0x00 /* 5 bits per char */
	106	#define MCFUART_MR1_CS6 0x01 /* 6 bits per char */
	107	#define MCFUART_MR1_CS7 0x02 /* 7 bits per char */
	108	#define MCFUART_MR1_CS8 0x03 /* 8 bits per char */
	109
	110	/*
	111	* Define bit flags in Mode Register 2 (MR2).
	112	*/
	113	#define MCFUART_MR2_LOOPBACK 0x80 /* Loopback mode */
	114	#define MCFUART_MR2_REMOTELOOP 0xc0 /* Remote loopback mode */
	115	#define MCFUART_MR2_AUTOECHO 0x40 /* Automatic echo */
	116	#define MCFUART_MR2_TXRTS 0x20 /* Assert RTS on TX */
	117	#define MCFUART_MR2_TXCTS 0x10 /* Auto CTS flow control */
	118
	119	#define MCFUART_MR2_STOP1 0x07 /* 1 stop bit */
	120	#define MCFUART_MR2_STOP15 0x08 /* 1.5 stop bits */
	121	#define MCFUART_MR2_STOP2 0x0f /* 2 stop bits */
	122
	123	/*
	124	* Define bit flags in Status Register (USR).
	125	*/
	126	#define MCFUART_USR_RXBREAK 0x80 /* Received BREAK */
	127	#define MCFUART_USR_RXFRAMING 0x40 /* Received framing error */
	128	#define MCFUART_USR_RXPARITY 0x20 /* Received parity error */
	129	#define MCFUART_USR_RXOVERRUN 0x10 /* Received overrun error */
	130	#define MCFUART_USR_TXEMPTY 0x08 /* Transmitter empty */
	131	#define MCFUART_USR_TXREADY 0x04 /* Transmitter ready */
	132	#define MCFUART_USR_RXFULL 0x02 /* Receiver full */
	133	#define MCFUART_USR_RXREADY 0x01 /* Receiver ready */
	134
	135	#define MCFUART_USR_RXERR (MCFUART_USR_RXBREAK \| MCFUART_USR_RXFRAMING \| \
	136	MCFUART_USR_RXPARITY \| MCFUART_USR_RXOVERRUN)
	137
	138	/*
139	* Define bit flags in Clock Select Register (UCSR).
140	*/
141	#define MCFUART_UCSR_RXCLKTIMER 0xd0 /* RX clock is timer */
142	#define MCFUART_UCSR_RXCLKEXT16 0xe0 /* RX clock is external x16 */
143	#define MCFUART_UCSR_RXCLKEXT1 0xf0 /* RX clock is external x1 */
144
145	#define MCFUART_UCSR_TXCLKTIMER 0x0d /* TX clock is timer */
146	#define MCFUART_UCSR_TXCLKEXT16 0x0e /* TX clock is external x16 */
147	#define MCFUART_UCSR_TXCLKEXT1 0x0f /* TX clock is external x1 */
148
149	/*
150	* Define bit flags in Command Register (UCR).
151	*/
152	#define MCFUART_UCR_CMDNULL 0x00 /* No command */
153	#define MCFUART_UCR_CMDRESETMRPTR 0x10 /* Reset MR pointer */
154	#define MCFUART_UCR_CMDRESETRX 0x20 /* Reset receiver */
155	#define MCFUART_UCR_CMDRESETTX 0x30 /* Reset transmitter */
156	#define MCFUART_UCR_CMDRESETERR 0x40 /* Reset error status */
157	#define MCFUART_UCR_CMDRESETBREAK 0x50 /* Reset BREAK change */
158	#define MCFUART_UCR_CMDBREAKSTART 0x60 /* Start BREAK */
159	#define MCFUART_UCR_CMDBREAKSTOP 0x70 /* Stop BREAK */
160
161	#define MCFUART_UCR_TXNULL 0x00 /* No TX command */
162	#define MCFUART_UCR_TXENABLE 0x04 /* Enable TX */
163	#define MCFUART_UCR_TXDISABLE 0x08 /* Disable TX */
164	#define MCFUART_UCR_RXNULL 0x00 /* No RX command */
165	#define MCFUART_UCR_RXENABLE 0x01 /* Enable RX */
166	#define MCFUART_UCR_RXDISABLE 0x02 /* Disable RX */
167
168	/*
169	* Define bit flags in Input Port Change Register (UIPCR).
170	*/
171	#define MCFUART_UIPCR_CTSCOS 0x10 /* CTS change of state */
172	#define MCFUART_UIPCR_CTS 0x01 /* CTS value */
173
174	/*
175	* Define bit flags in Input Port Register (UIP).
176	*/
177	#define MCFUART_UIPR_CTS 0x01 /* CTS value */
178
179	/*
180	* Define bit flags in Output Port Registers (UOP).
181	* Clear bit by writing to UOP0, set by writing to UOP1.
182	*/
183	#define MCFUART_UOP_RTS 0x01 /* RTS set or clear */
184
185	/*
186	* Define bit flags in the Auxiliary Control Register (UACR).
187	*/
188	#define MCFUART_UACR_IEC 0x01 /* Input enable control */
189
190	/*
191	* Define bit flags in Interrupt Status Register (UISR).
192	* These same bits are used for the Interrupt Mask Register (UIMR).
193	*/
194	#define MCFUART_UIR_COS 0x80 /* Change of state (CTS) */
195	#define MCFUART_UIR_DELTABREAK 0x04 /* Break start or stop */
196	#define MCFUART_UIR_RXREADY 0x02 /* Receiver ready */
197	#define MCFUART_UIR_TXREADY 0x01 /* Transmitter ready */
198
199	#ifdef CONFIG_M5272
200	/*
201	* Define bit flags in the Transmitter FIFO Register (UTF).
202	*/
203	#define MCFUART_UTF_TXB 0x1f /* Transmitter data level */
204	#define MCFUART_UTF_FULL 0x20 /* Transmitter fifo full */
205	#define MCFUART_UTF_TXS 0xc0 /* Transmitter status */
206
207	/*
208	* Define bit flags in the Receiver FIFO Register (URF).
209	*/
210	#define MCFUART_URF_RXB 0x1f /* Receiver data level */
211	#define MCFUART_URF_FULL 0x20 /* Receiver fifo full */
212	#define MCFUART_URF_RXS 0xc0 /* Receiver status */
213	#endif
214
215	/****************************************************************************/
216	#endif /* mcfuart_h */