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Introduce a new "type" field in the softc which is used to indicate

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the general UART type.  Currently, we have "normal", "hayesp" and
"pxa2x0" types.  Replace the corresponding hw flags with the new type
values.
This commit is contained in:
thorpej 2003-06-14 16:25:52 +00:00
parent fee6ce1d9f
commit 5ae120da7b
3 changed files with 33 additions and 24 deletions
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4
sys/arch/arm/xscale/pxa2x0_com.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pxa2x0_com.c,v 1.1 2003/06/05 13:48:27 scw Exp $ */
/* $NetBSD: pxa2x0_com.c,v 1.2 2003/06/14 16:25:53 thorpej Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@ -119,7 +119,7 @@ pxauart_attach(struct device *parent, struct device *self, void *aux)
sc->sc_iot = &pxa2x0_a4x_bs_tag; /* XXX: This sucks */
sc->sc_iobase = pxa->pxa_addr;
sc->sc_frequency = PXA2X0_COM_FREQ;
sc->sc_hwflags = COM_HW_PXA2X0;
sc->sc_type = COM_TYPE_PXA2x0;
if (com_is_console(sc->sc_iot, sc->sc_iobase, &sc->sc_ioh) == 0 &&
bus_space_map(sc->sc_iot, sc->sc_iobase, pxa->pxa_size, 0,

38
sys/dev/ic/com.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: com.c,v 1.208 2003/06/05 13:40:38 scw Exp $ */
/* $NetBSD: com.c,v 1.209 2003/06/14 16:25:52 thorpej Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
@ -77,7 +77,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.208 2003/06/05 13:40:38 scw Exp $");
__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.209 2003/06/14 16:25:52 thorpej Exp $");
#include "opt_com.h"
#include "opt_ddb.h"
@ -389,7 +389,7 @@ comprobeHAYESP(bus_space_handle_t hayespioh, struct com_softc *sc)
* better), at the correct com port address.
*/
SET(sc->sc_hwflags, COM_HW_HAYESP);
sc->sc_type = COM_TYPE_HAYESP;
printf(", 1024 byte fifo\n");
return (1);
}
@ -405,7 +405,7 @@ com_enable_debugport(struct com_softc *sc)
COM_LOCK(sc);
sc->sc_ier = IER_ERXRDY;
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
sc->sc_ier |= IER_EUART | IER_ERXTOUT;
#endif
bus_space_write_1(sc->sc_iot, sc->sc_ioh, com_ier, sc->sc_ier);
@ -438,7 +438,7 @@ com_attach_subr(struct com_softc *sc)
/* Disable interrupts before configuring the device. */
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
sc->sc_ier = IER_EUART;
else
#endif
@ -473,7 +473,7 @@ com_attach_subr(struct com_softc *sc)
bus_space_unmap(iot, hayespioh, HAYESP_NPORTS);
}
/* No ESP; look for other things. */
if (!ISSET(sc->sc_hwflags, COM_HW_HAYESP)) {
if (sc->sc_type != COM_TYPE_HAYESP) {
#endif
sc->sc_fifolen = 1;
/* look for a NS 16550AF UART with FIFOs */
@ -621,7 +621,7 @@ com_config(struct com_softc *sc)
/* Disable interrupts before configuring the device. */
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
sc->sc_ier = IER_EUART;
else
#endif
@ -630,7 +630,7 @@ com_config(struct com_softc *sc)
#ifdef COM_HAYESP
/* Look for a Hayes ESP board. */
if (ISSET(sc->sc_hwflags, COM_HW_HAYESP)) {
if (sc->sc_type == COM_TYPE_HAYESP) {
sc->sc_fifolen = 1024;
/* Set 16550 compatibility mode */
@ -781,14 +781,14 @@ com_shutdown(struct com_softc *sc)
if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
sc->sc_ier = IER_ERXRDY; /* interrupt on break */
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
sc->sc_ier |= IER_ERXTOUT;
#endif
} else
sc->sc_ier = 0;
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
sc->sc_ier |= IER_EUART;
#endif
@ -866,7 +866,7 @@ comopen(dev_t dev, int flag, int mode, struct proc *p)
/* Turn on interrupts. */
sc->sc_ier = IER_ERXRDY | IER_ERLS | IER_EMSC;
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
sc->sc_ier |= IER_EUART | IER_ERXTOUT;
#endif
bus_space_write_1(sc->sc_iot, sc->sc_ioh, com_ier, sc->sc_ier);
@ -1329,7 +1329,7 @@ com_to_tiocm(struct com_softc *sc)
SET(ttybits, TIOCM_RI);
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0)) {
if (sc->sc_type == COM_TYPE_PXA2x0) {
if ((sc->sc_ier & 0x0f) != 0)
SET(ttybits, TIOCM_LE);
} else
@ -1382,7 +1382,7 @@ comparam(struct tty *tp, struct termios *t)
return (EIO);
#ifdef COM_HAYESP
if (ISSET(sc->sc_hwflags, COM_HW_HAYESP)) {
if (sc->sc_type == COM_TYPE_HAYESP) {
int prescaler, speed;
/*
@ -1495,7 +1495,7 @@ comparam(struct tty *tp, struct termios *t)
* overflows.
* * Otherwise set it a bit higher.
*/
if (ISSET(sc->sc_hwflags, COM_HW_HAYESP))
if (sc->sc_type == COM_TYPE_HAYESP)
sc->sc_fifo = FIFO_DMA_MODE | FIFO_ENABLE | FIFO_TRIGGER_8;
else if (ISSET(sc->sc_hwflags, COM_HW_FIFO))
sc->sc_fifo = FIFO_ENABLE |
@ -1600,7 +1600,7 @@ com_loadchannelregs(struct com_softc *sc)
com_iflush(sc);
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
bus_space_write_1(iot, ioh, com_ier, IER_EUART);
else
#endif
@ -1617,7 +1617,7 @@ com_loadchannelregs(struct com_softc *sc)
bus_space_write_1(iot, ioh, com_mcr, sc->sc_mcr_active = sc->sc_mcr);
bus_space_write_1(iot, ioh, com_fifo, sc->sc_fifo);
#ifdef COM_HAYESP
if (ISSET(sc->sc_hwflags, COM_HW_HAYESP)) {
if (sc->sc_type == COM_TYPE_HAYESP) {
bus_space_write_1(iot, sc->sc_hayespioh, HAYESP_CMD1,
HAYESP_SETPRESCALER);
bus_space_write_1(iot, sc->sc_hayespioh, HAYESP_CMD2,
@ -1889,7 +1889,7 @@ com_rxsoft(struct com_softc *sc, struct tty *tp)
CLR(sc->sc_rx_flags, RX_IBUF_OVERFLOWED);
SET(sc->sc_ier, IER_ERXRDY);
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
SET(sc->sc_ier, IER_ERXTOUT);
#endif
bus_space_write_1(sc->sc_iot, sc->sc_ioh, com_ier, sc->sc_ier);
@ -2123,7 +2123,7 @@ again: do {
SET(sc->sc_rx_flags, RX_IBUF_OVERFLOWED);
CLR(sc->sc_ier, IER_ERXRDY);
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
CLR(sc->sc_ier, IER_ERXTOUT);
#endif
bus_space_write_1(iot, ioh, com_ier, sc->sc_ier);
@ -2131,7 +2131,7 @@ again: do {
} else {
if ((iir & IIR_IMASK) == IIR_RXRDY) {
#ifdef COM_PXA2X0
if (ISSET(sc->sc_hwflags, COM_HW_PXA2X0))
if (sc->sc_type == COM_TYPE_PXA2x0)
bus_space_write_1(iot, ioh, com_ier,
IER_EUART);
else

15
sys/dev/ic/comvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: comvar.h,v 1.44 2003/06/05 13:40:38 scw Exp $ */
/* $NetBSD: comvar.h,v 1.45 2003/06/14 16:25:53 thorpej Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
@ -57,14 +57,13 @@ int com_is_console __P((bus_space_tag_t, bus_addr_t, bus_space_handle_t *));
/* Hardware flag masks */
#define COM_HW_NOIEN 0x01
#define COM_HW_FIFO 0x02
#define COM_HW_HAYESP 0x04
/* 0x04 free for use */
#define COM_HW_FLOW 0x08
#define COM_HW_DEV_OK 0x20
#define COM_HW_CONSOLE 0x40
#define COM_HW_KGDB 0x80
#define COM_HW_TXFIFO_DISABLE 0x100
#define COM_HW_NO_TXPRELOAD 0x200
#define COM_HW_PXA2X0 0x400
/* Buffer size for character buffer */
#define COM_RING_SIZE 2048
@ -124,6 +123,16 @@ struct com_softc {
u_char sc_prescaler;
#endif
/*
* There are a great many almost-ns16550-compatible UARTs out
* there, which have minor differences. The type field here
* lets us distinguish between them.
*/
int sc_type;
#define COM_TYPE_NORMAL 0 /* normal 16x50 */
#define COM_TYPE_HAYESP 1 /* Hayes ESP modem */
#define COM_TYPE_PXA2x0 2 /* Intel PXA2x0 processor built-in */
/* power management hooks */
int (*enable) __P((struct com_softc *));
void (*disable) __P((struct com_softc *));