diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/socppc/conf/files.socppc | 6 | ||||
| -rw-r--r-- | sys/arch/socppc/dev/wdc_obio.c | 157 |
2 files changed, 162 insertions, 1 deletions
diff --git a/sys/arch/socppc/conf/files.socppc b/sys/arch/socppc/conf/files.socppc index 4f5377a4c6e..e3fae7412eb 100644 --- a/sys/arch/socppc/conf/files.socppc +++ b/sys/arch/socppc/conf/files.socppc @@ -1,4 +1,4 @@ -# $OpenBSD: files.socppc,v 1.5 2009/08/24 14:53:41 kettenis Exp $ +# $OpenBSD: files.socppc,v 1.6 2009/08/24 17:48:14 kettenis Exp $ # # macppc-specific configuration info @@ -46,6 +46,10 @@ file arch/socppc/dev/sociic.c attach com at obio with com_obio file arch/socppc/dev/com_obio.c +# On-board CF +attach wdc at obio with wdc_obio +file arch/socppc/dev/wdc_obio.c + # # Media Independent Interface (mii) # diff --git a/sys/arch/socppc/dev/wdc_obio.c b/sys/arch/socppc/dev/wdc_obio.c new file mode 100644 index 00000000000..ffe4c10e859 --- /dev/null +++ b/sys/arch/socppc/dev/wdc_obio.c @@ -0,0 +1,157 @@ +/* $OpenBSD: wdc_obio.c,v 1.1 2009/08/24 17:48:14 kettenis Exp $ */ + +/* + * Copyright (c) 2009 Mark Kettenis + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * Driver for Compact Flash interface on the local bus of a PowerQUICC + * MPC8343E processor as found on the RouterBOARD 600. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/malloc.h> + +#include <machine/autoconf.h> + +#include <dev/ata/atavar.h> +#include <dev/ic/wdcvar.h> + +struct wdc_obio_softc { + struct wdc_softc sc_wdcdev; + struct channel_softc *sc_chanptr; + struct channel_softc sc_channel; + + void *sc_ih; +}; + +int wdc_obio_match(struct device *, void *, void *); +void wdc_obio_attach(struct device *, struct device *, void *); + +struct cfattach wdc_obio_ca = { + sizeof(struct wdc_softc), wdc_obio_match, wdc_obio_attach +}; + +/* + * The CF slots on the RouterBOARD 600 are wired up in a completely + * retarded way. Instead of using the obvious address lines it uses + * LAD[11:15], which means we need to waste more than 0.5 MB of + * address space to map 10 8-bit registers. + */ +#define WDC_OBIO_REG_NPORTS WDC_NREG +#define WDC_OBIO_REG_SIZE (WDC_OBIO_REG_NPORTS << 16) +#define WDC_OBIO_REG_OFFSET (8 << 17) +#define WDC_OBIO_AUXREG_NPORTS 2 +#define WDC_OBIO_AUXREG_SIZE (WDC_OBIO_AUXREG_NPORTS << 16) +#define WDC_OBIO_AUXREG_OFFSET (6 << 16) + +u_int8_t wdc_obio_read_reg(struct channel_softc *chp, enum wdc_regs reg); +void wdc_obio_write_reg(struct channel_softc *chp, enum wdc_regs reg, + u_int8_t val); + +struct channel_softc_vtbl wdc_obio_vtbl = { + wdc_obio_read_reg, + wdc_obio_write_reg, + wdc_default_lba48_write_reg, + wdc_default_read_raw_multi_2, + wdc_default_write_raw_multi_2, + wdc_default_read_raw_multi_4, + wdc_default_write_raw_multi_4 +}; + +int +wdc_obio_match(struct device *parent, void *cfdata, void *aux) +{ + return (1); +} + +void +wdc_obio_attach(struct device *parent, struct device *self, void *aux) +{ + struct wdc_obio_softc *sc = (void *)self; + struct obio_attach_args *oa = aux; + struct channel_softc *chp = &sc->sc_channel; + + chp->cmd_iot = chp->ctl_iot = oa->oa_iot; + chp->_vtbl = &wdc_obio_vtbl; + + if (bus_space_map(chp->cmd_iot, oa->oa_offset + WDC_OBIO_REG_OFFSET, + WDC_OBIO_REG_SIZE, 0, &chp->cmd_ioh)) { + printf(": can't map registers\n"); + return; + } + if (bus_space_map(chp->ctl_iot, oa->oa_offset + WDC_OBIO_AUXREG_OFFSET, + WDC_OBIO_AUXREG_SIZE, 0, &chp->ctl_ioh)) { + printf(": can't map registers\n"); + return; + } + + sc->sc_ih = intr_establish(oa->oa_ivec, IST_LEVEL, IPL_BIO, wdcintr, + chp, self->dv_xname); + + sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_PREATA; + sc->sc_wdcdev.PIO_cap = 0; + sc->sc_chanptr = chp; + sc->sc_wdcdev.channels = &sc->sc_chanptr; + sc->sc_wdcdev.nchannels = 1; + chp->channel = 0; + chp->wdc = &sc->sc_wdcdev; + + chp->ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, + M_NOWAIT); + if (chp->ch_queue == NULL) { + printf("%s: can't allocate memory for command queue\n", + self->dv_xname); + /* XXX disestablish interrupt */ + return; + } + + printf("\n"); + + wdcattach(chp); + wdc_print_current_modes(chp); +} + +u_int8_t +wdc_obio_read_reg(struct channel_softc *chp, enum wdc_regs reg) +{ + uint8_t val; + + if (reg & _WDC_AUX) { + val = bus_space_read_1(chp->ctl_iot, chp->ctl_ioh, + (reg & _WDC_REGMASK) << 16); + if (val == 0xf9 && reg == wdr_altsts) + val = 0x7f; + } else { + val = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, + (reg & _WDC_REGMASK) << 16); + if (val == 0xf9 && reg == wdr_status) + val = 0x7f; + } + return val; +} + +void +wdc_obio_write_reg(struct channel_softc *chp, enum wdc_regs reg, u_int8_t val) +{ + if (reg & _WDC_AUX) + bus_space_write_1(chp->ctl_iot, chp->ctl_ioh, + (reg & _WDC_REGMASK) << 16, val); + else + bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, + (reg & _WDC_REGMASK) << 16, val); +} |