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/* SPDX-License-Identifier: GPL-2.0 */
/****************************************************************************/

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

#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) */
#endif
#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \
	defined(CONFIG_M5249) || defined(CONFIG_M525x) || \
	defined(CONFIG_M5307) || defined(CONFIG_M5407)
#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

#if defined(CONFIG_M54xx)
#define MCFUART_TXFIFOSIZE	512
#elif defined(CONFIG_M5272)
#define MCFUART_TXFIFOSIZE	25
#else
#define MCFUART_TXFIFOSIZE	1
#endif
/****************************************************************************/
#endif	/* mcfuart_h */

Filemanager

Name Type Size Permission Actions
Kbuild File 599 B 0644
MC68328.h File 37.82 KB 0644
MC68EZ328.h File 37.74 KB 0644
MC68VZ328.h File 41.02 KB 0644
a.out-core.h File 1.98 KB 0644
adb_iop.h File 1.09 KB 0644
amigahw.h File 10.49 KB 0644
amigaints.h File 3.5 KB 0644
amigayle.h File 3.19 KB 0644
amipcmcia.h File 2.51 KB 0644
apollohw.h File 2.35 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 211 B 0644
atafd.h File 300 B 0644
atafdreg.h File 2.68 KB 0644
atari_joystick.h File 457 B 0644
atari_stdma.h File 514 B 0644
atari_stram.h File 528 B 0644
atarihw.h File 20.3 KB 0644
atariints.h File 5.56 KB 0644
atarikb.h File 1.4 KB 0644
atomic.h File 4.86 KB 0644
bitops.h File 12.19 KB 0644
blinken.h File 641 B 0644
bootinfo.h File 783 B 0644
bootstd.h File 4.64 KB 0644
bug.h File 659 B 0644
bugs.h File 369 B 0644
bvme6000hw.h File 3.45 KB 0644
cache.h File 296 B 0644
cacheflush.h File 133 B 0644
cacheflush_mm.h File 6.92 KB 0644
cacheflush_no.h File 2.61 KB 0644
checksum.h File 3.4 KB 0644
cmpxchg.h File 3.34 KB 0644
coldfire.h File 1.61 KB 0644
contregs.h File 3.31 KB 0644
current.h File 580 B 0644
delay.h File 3.43 KB 0644
div64.h File 858 B 0644
dma-mapping.h File 291 B 0644
dma.h File 16.65 KB 0644
dsp56k.h File 1.24 KB 0644
dvma.h File 9.67 KB 0644
elf.h File 3.07 KB 0644
entry.h File 5.76 KB 0644
export.h File 74 B 0644
fb.h File 921 B 0644
fbio.h File 9.87 KB 0644
flat.h File 1.02 KB 0644
floppy.h File 5.06 KB 0644
fpu.h File 535 B 0644
ftrace.h File 12 B 0644
gpio.h File 2.64 KB 0644
hardirq.h File 594 B 0644
hash.h File 2.07 KB 0644
hp300hw.h File 186 B 0644
hwtest.h File 467 B 0644
ide.h File 1.67 KB 0644
idprom.h File 725 B 0644
intersil.h File 1.11 KB 0644
io.h File 383 B 0644
io_mm.h File 16.19 KB 0644
io_no.h File 5.26 KB 0644
irq.h File 2.57 KB 0644
irqflags.h File 1.61 KB 0644
kexec.h File 732 B 0644
linkage.h File 1.55 KB 0644
m5206sim.h File 6.4 KB 0644
m520xsim.h File 7.15 KB 0644
m523xsim.h File 7.7 KB 0644
m525xsim.h File 10.57 KB 0644
m5272sim.h File 6.05 KB 0644
m527xsim.h File 13.51 KB 0644
m528xsim.h File 9.37 KB 0644
m52xxacr.h File 3.57 KB 0644
m5307sim.h File 7.52 KB 0644
m53xxacr.h File 3.6 KB 0644
m53xxsim.h File 53.97 KB 0644
m5407sim.h File 6.14 KB 0644
m5441xsim.h File 8.5 KB 0644
m54xxacr.h File 4.82 KB 0644
m54xxgpt.h File 3.66 KB 0644
m54xxpci.h File 6.13 KB 0644
m54xxsim.h File 3.8 KB 0644
mac_asc.h File 520 B 0644
mac_baboon.h File 999 B 0644
mac_iop.h File 5.37 KB 0644
mac_oss.h File 1.83 KB 0644
mac_psc.h File 7.25 KB 0644
mac_via.h File 11.44 KB 0644
machdep.h File 1.34 KB 0644
machines.h File 3.13 KB 0644
machw.h File 588 B 0644
macintosh.h File 2.02 KB 0644
macints.h File 3.28 KB 0644
math-emu.h File 6.74 KB 0644
mc146818rtc.h File 598 B 0644
mcf8390.h File 3.75 KB 0644
mcf_pgalloc.h File 2.37 KB 0644
mcf_pgtable.h File 9.89 KB 0644
mcfclk.h File 1.01 KB 0644
mcfdma.h File 6.51 KB 0644
mcfgpio.h File 8.48 KB 0644
mcfintc.h File 3.09 KB 0644
mcfmmu.h File 3.67 KB 0644
mcfpit.h File 2.22 KB 0644
mcfqspi.h File 1.82 KB 0644
mcfsim.h File 1.5 KB 0644
mcfslt.h File 1.21 KB 0644
mcftimer.h File 2.3 KB 0644
mcfuart.h File 6.91 KB 0644
mcfwdebug.h File 4.99 KB 0644
mmu.h File 243 B 0644
mmu_context.h File 7.2 KB 0644
mmzone.h File 264 B 0644
module.h File 847 B 0644
motorola_pgalloc.h File 2.26 KB 0644
motorola_pgtable.h File 9.2 KB 0644
movs.h File 1.44 KB 0644
mvme147hw.h File 2.81 KB 0644
mvme16xhw.h File 2.16 KB 0644
natfeat.h File 533 B 0644
nettel.h File 2.95 KB 0644
nubus.h File 1.21 KB 0644
openprom.h File 7.98 KB 0644
oplib.h File 9.54 KB 0644
page.h File 1.47 KB 0644
page_mm.h File 4.06 KB 0644
page_no.h File 1.28 KB 0644
page_offset.h File 256 B 0644
parport.h File 837 B 0644
pci.h File 458 B 0644
pgalloc.h File 444 B 0644
pgtable.h File 127 B 0644
pgtable_mm.h File 4.84 KB 0644
pgtable_no.h File 1.57 KB 0644
processor.h File 3.59 KB 0644
ptrace.h File 643 B 0644
q40_master.h File 2.28 KB 0644
q40ints.h File 749 B 0644
quicc_simple.h File 1.79 KB 0644
raw_io.h File 11.41 KB 0644
segment.h File 1.42 KB 0644
serial.h File 1.14 KB 0644
setup.h File 9.25 KB 0644
signal.h File 1.34 KB 0644
smp.h File 32 B 0644
string.h File 1.68 KB 0644
sun3-head.h File 353 B 0644
sun3_pgalloc.h File 2.26 KB 0644
sun3_pgtable.h File 7.65 KB 0644
sun3ints.h File 989 B 0644
sun3mmu.h File 4.91 KB 0644
sun3x.h File 868 B 0644
sun3xflop.h File 5.62 KB 0644
sun3xprom.h File 1.31 KB 0644
switch_to.h File 1.51 KB 0644
thread_info.h File 2.02 KB 0644
timex.h File 974 B 0644
tlb.h File 486 B 0644
tlbflush.h File 5.95 KB 0644
traps.h File 8.33 KB 0644
uaccess.h File 152 B 0644
uaccess_mm.h File 10.31 KB 0644
uaccess_no.h File 3.69 KB 0644
ucontext.h File 570 B 0644
unaligned.h File 600 B 0644
unistd.h File 952 B 0644
user.h File 3.78 KB 0644
vga.h File 651 B 0644
virtconvert.h File 947 B 0644
zorro.h File 1.17 KB 0644