diff options
Diffstat (limited to 'sys/arch/arm/xscale/i80321_i2c.c')
| -rw-r--r-- | sys/arch/arm/xscale/i80321_i2c.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/sys/arch/arm/xscale/i80321_i2c.c b/sys/arch/arm/xscale/i80321_i2c.c deleted file mode 100644 index 4b3121dcfd0..00000000000 --- a/sys/arch/arm/xscale/i80321_i2c.c +++ /dev/null @@ -1,136 +0,0 @@ -/* $OpenBSD: i80321_i2c.c,v 1.3 2009/03/27 16:02:41 oga Exp $ */ -/* $NetBSD: i80321_i2c.c,v 1.2 2005/12/11 12:16:51 christos Exp $ */ - -/* - * Copyright (c) 2003 Wasabi Systems, Inc. - * All rights reserved. - * - * Written by Jason R. Thorpe for Wasabi Systems, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed for the NetBSD Project by - * Wasabi Systems, Inc. - * 4. The name of Wasabi Systems, Inc. may not be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * Intel i80321 I/O Processor I2C Controller Unit support. - */ - -#include <sys/param.h> -#include <sys/rwlock.h> -#include <sys/systm.h> -#include <sys/device.h> -#include <sys/kernel.h> - -#include <machine/bus.h> -#include <machine/intr.h> - -#include <arm/xscale/i80321reg.h> -#include <arm/xscale/i80321var.h> - -#include <dev/i2c/i2cvar.h> - -#include <arm/xscale/iopi2creg.h> -#include <arm/xscale/iopi2cvar.h> - -int i80321_i2c_match(struct device *parent, void *v, void *aux); -void i80321_i2c_attach(struct device *parent, struct device *self, void *aux); - -struct cfattach i80321_i2c_ca = { - sizeof(struct iopiic_softc), i80321_i2c_match, i80321_i2c_attach -}; - -int -i80321_i2c_match(struct device *parent, void *v, void *aux) -{ - struct cfdata *cf = v; - struct iopxs_attach_args *ia = aux; - - /* XXX thecus will reboot if iopiic1 attaches */ - if (ia->ia_offset == VERDE_I2C_BASE1) - return 0; - - if (strcmp(cf->cf_driver->cd_name, ia->ia_name) == 0) - return (1); - - return (0); -} - -void -i80321_i2c_attach(struct device *parent, struct device *self, void *aux) -{ - struct iopiic_softc *sc = (void *) self; - struct iopxs_attach_args *ia = aux; - int error; -#ifdef LATER - uint8_t gpio_bits; -#endif - - printf(": I2C controller\n"); - - sc->sc_st = ia->ia_st; - if ((error = bus_space_subregion(sc->sc_st, ia->ia_sh, - ia->ia_offset, ia->ia_size, - &sc->sc_sh)) != 0) { - printf("%s: unable to subregion registers, error = %d\n", - sc->sc_dev.dv_xname, error); - return; - } - -#ifdef LATER - gpio_bits = (ia->ia_offset == VERDE_I2C_BASE0) ? - (1U << 7) | (1U << 6) : (1U << 5) | (1U << 4); - i80321_gpio_set_val(gpio_bits, 0); - i80321_gpio_set_direction(gpio_bits, 0); -#endif - - /* XXX Reset the I2C unit? */ - - rw_init(&sc->sc_buslock, "iopiiclk"); - - /* XXX We don't currently use interrupts. Fix this some day. */ -#if 0 - sc->sc_ih = i80321_intr_establish((ia->ia_offset == VERDE_I2C_BASE0) ? - ICU_INT_I2C0 : ICU_INT_I2C1, IPL_BIO, iopiic_intr, sc); - if (sc->sc_ih == NULL) { - aprint_error("%s: unable to establish interrupt handler\n", - sc->sc_dev.dv_xname); - return; - } -#endif - - /* - * Enable the I2C unit as a master. - * No, we do not support slave mode. - */ - sc->sc_icr = IIC_ICR_GCD | IIC_ICR_UE | IIC_ICR_SCLE; - bus_space_write_4(sc->sc_st, sc->sc_sh, IIC_ICR, 0); - bus_space_write_4(sc->sc_st, sc->sc_sh, IIC_ISAR, 0); - bus_space_write_4(sc->sc_st, sc->sc_sh, IIC_ICR, sc->sc_icr); - - iopiic_attach(sc); -} |