use system's real PCLK frequency instead of a compile time constant for
baudrate divisor setup.
This commit is contained in:
parent
2b33d23a8c
commit
b4e06de16e
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@ -1,4 +1,4 @@
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/* $NetBSD: sscom_s3c2800.c,v 1.2 2003/05/12 07:49:10 bsh Exp $ */
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/* $NetBSD: sscom_s3c2800.c,v 1.3 2003/05/13 06:29:53 bsh Exp $ */
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/*
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* Copyright (c) 2002 Fujitsu Component Limited
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@ -63,10 +63,6 @@
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#include <arm/s3c2xx0/sscom_var.h>
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#include <sys/termios.h>
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#ifndef SSCOM_FREQ
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#define SSCOM_FREQ 50000000
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#endif
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static int sscom_match(struct device *, struct cfdata *, void *);
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static void sscom_attach(struct device *, struct device *, void *);
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@ -93,7 +89,7 @@ const struct sscom_uart_info s3c2800_uart_config[] = {
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};
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static int
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sscom_match(struct device * parent, struct cfdata * cf, void *aux)
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sscom_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct s3c2xx0_attach_args *sa = aux;
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int unit = sa->sa_index;
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@ -101,7 +97,6 @@ sscom_match(struct device * parent, struct cfdata * cf, void *aux)
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return unit == 0 || unit == 1;
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}
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#if 0
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int tx_int(void *);
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int rx_int(void *);
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int err_int(void *);
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@ -123,39 +118,38 @@ err_int(void *arg)
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{
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return sscomintr(arg);
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}
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#endif
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static void
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sscom_attach(struct device * parent, struct device * self, void *aux)
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sscom_attach(struct device *parent, struct device *self, void *aux)
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{
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struct sscom_softc *sc = (struct sscom_softc *) self;
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struct sscom_softc *sc = (struct sscom_softc *)self;
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struct s3c2xx0_attach_args *sa = aux;
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int unit = sa->sa_index;
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bus_addr_t iobase = s3c2800_uart_config[unit].iobase;
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printf(": UART%d addr=%lx", sa->sa_index, iobase);
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printf( ": UART%d addr=%lx", sa->sa_index, iobase );
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sc->sc_iot = s3c2xx0_softc->sc_iot;
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sc->sc_unit = unit;
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sc->sc_frequency = SSCOM_FREQ;
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sc->sc_frequency = s3c2xx0_softc->sc_pclk;
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sc->sc_rx_irqno = S3C2800_INT_RXD0 + sa->sa_index;
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sc->sc_tx_irqno = S3C2800_INT_TXD0 + sa->sa_index;
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if (bus_space_map(sc->sc_iot, iobase, SSCOM_SIZE, 0, &sc->sc_ioh)) {
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printf(": failed to map registers\n");
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printf( ": failed to map registers\n" );
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return;
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}
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printf("\n");
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s3c2800_intr_establish(s3c2800_uart_config[unit].tx_int,
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IPL_SERIAL, IST_LEVEL, sscomintr, sc);
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IPL_SERIAL, IST_LEVEL, tx_int, sc);
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s3c2800_intr_establish(s3c2800_uart_config[unit].rx_int,
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IPL_SERIAL, IST_LEVEL, sscomintr, sc);
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IPL_SERIAL, IST_LEVEL, rx_int, sc);
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s3c2800_intr_establish(s3c2800_uart_config[unit].err_int,
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IPL_SERIAL, IST_LEVEL, sscomintr, sc);
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IPL_SERIAL, IST_LEVEL, err_int, sc);
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sscom_disable_txrxint(sc);
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sscom_attach_subr(sc);
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@ -170,12 +164,13 @@ s3c2800_sscom_cnattach(bus_space_tag_t iot, int unit, int rate,
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return sscom_cnattach(iot, s3c2800_uart_config + unit,
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rate, frequency, cflag);
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}
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#ifdef KGDB
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int
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s3c2800_sscom_kgdb_attach(bus_space_tag_t iot, int unit, int rate,
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int frequency, tcflag_t cflag)
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int frequency, tcflag_t cflag)
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{
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return sscom_kgdb_attach(iot, s3c2800_uart_config + unit,
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rate, frequency, cflag);
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}
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#endif /* KGDB */
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#endif /* KGDB */
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