Index: head/sys/arm/freescale/imx/files.imx6 =================================================================== --- head/sys/arm/freescale/imx/files.imx6 (revision 290806) +++ head/sys/arm/freescale/imx/files.imx6 (revision 290807) @@ -1,69 +1,70 @@ # $FreeBSD$ # # Standard ARM support. # arm/arm/bus_space_asm_generic.S standard arm/arm/bus_space_generic.c standard kern/kern_clocksource.c standard # # Standard imx6 devices and support. # arm/arm/pl310.c standard arm/arm/bus_space_base.c standard arm/arm/mpcore_timer.c standard arm/freescale/fsl_ocotp.c standard arm/freescale/imx/imx6_anatop.c standard arm/freescale/imx/imx6_ccm.c standard arm/freescale/imx/imx6_machdep.c standard arm/freescale/imx/imx6_mp.c optional smp arm/freescale/imx/imx6_pl310.c standard +arm/freescale/imx/imx6_src.c standard arm/freescale/imx/imx_iomux.c standard arm/freescale/imx/imx_machdep.c standard arm/freescale/imx/imx_gpt.c standard arm/freescale/imx/imx_gpio.c optional gpio arm/freescale/imx/imx_i2c.c optional fsliic arm/freescale/imx/imx6_sdma.c optional sdma arm/freescale/imx/imx6_audmux.c optional sound arm/freescale/imx/imx6_ssi.c optional sound # # Optional devices. # arm/freescale/imx/imx_sdhci.c optional sdhci arm/freescale/imx/imx_wdog.c optional imxwdt dev/ffec/if_ffec.c optional ffec dev/uart/uart_dev_imx.c optional uart dev/usb/controller/ehci_imx.c optional ehci arm/freescale/imx/imx6_usbphy.c optional ehci # # Low-level serial console for debugging early kernel startup. # #arm/freescale/imx/console.c standard # # Not ready yet... # #arm/freescale/imx/imx51_ipuv3.c optional sc # SDMA firmware sdma_fw.c optional sdma_fw \ compile-with "${AWK} -f $S/tools/fw_stub.awk sdma-imx6q-to1.bin:sdma_fw -msdma -c${.TARGET}" \ no-implicit-rule before-depend local \ clean "sdma_fw.c" sdma-imx6q-to1.fwo optional sdma_fw \ dependency "sdma-imx6q-to1.bin" \ compile-with "${LD} -b binary -d -warn-common -r -d -o ${.TARGET} sdma-imx6q-to1.bin" \ no-implicit-rule \ clean "sdma-imx6q-to1.fwo" sdma-imx6q-to1.bin optional sdma_fw \ dependency "$S/contrib/dev/imx/sdma-imx6q-to1.bin.uu" \ compile-with "uudecode < $S/contrib/dev/imx/sdma-imx6q-to1.bin.uu" \ no-obj no-implicit-rule \ clean "sdma-imx6q-to1.bin" Index: head/sys/arm/freescale/imx/imx6_src.c =================================================================== --- head/sys/arm/freescale/imx/imx6_src.c (nonexistent) +++ head/sys/arm/freescale/imx/imx6_src.c (revision 290807) @@ -0,0 +1,173 @@ +/*- + * Copyright (c) 2015 Oleksandr Tymoshenko + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +/* + * System Reset Control for iMX6 + */ + +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include + +#define SRC_SCR 0 +#define SW_IPU1_RST (1 << 3) + +struct src_softc { + device_t dev; + struct resource *mem_res; +}; + +static struct src_softc *src_sc; + +static inline uint32_t +RD4(struct src_softc *sc, bus_size_t off) +{ + + return (bus_read_4(sc->mem_res, off)); +} + +static inline void +WR4(struct src_softc *sc, bus_size_t off, uint32_t val) +{ + + bus_write_4(sc->mem_res, off, val); +} + +int +src_reset_ipu() +{ + uint32_t reg; + int timeout = 10000; + + if (src_sc == NULL) + return (-1); + + reg = RD4(src_sc, SRC_SCR); + reg |= SW_IPU1_RST; + WR4(src_sc, SRC_SCR, reg); + + while (timeout-- > 0) { + reg = RD4(src_sc, SRC_SCR); + if (reg & SW_IPU1_RST) + DELAY(1); + else + break; + } + + if (timeout < 0) + return (-1); + else + return (0); +} + +static int +src_detach(device_t dev) +{ + struct src_softc *sc; + + sc = device_get_softc(dev); + + if (sc->mem_res != NULL) + bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res); + + return (0); +} + +static int +src_attach(device_t dev) +{ + struct src_softc *sc; + int err, rid; + + sc = device_get_softc(dev); + err = 0; + + /* Allocate bus_space resources. */ + rid = 0; + sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (sc->mem_res == NULL) { + device_printf(dev, "Cannot allocate memory resources\n"); + err = ENXIO; + goto out; + } + + src_sc = sc; + + err = 0; + +out: + + if (err != 0) + src_detach(dev); + + return (err); +} + +static int +src_probe(device_t dev) +{ + + if ((ofw_bus_is_compatible(dev, "fsl,imx6q-src") == 0) && + (ofw_bus_is_compatible(dev, "fsl,imx6-src") == 0)) + return (ENXIO); + + device_set_desc(dev, "Freescale i.MX6 System Reset Controller"); + + return (BUS_PROBE_DEFAULT); +} + +static device_method_t src_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, src_probe), + DEVMETHOD(device_attach, src_attach), + DEVMETHOD(device_detach, src_detach), + + DEVMETHOD_END +}; + +static driver_t src_driver = { + "src", + src_methods, + sizeof(struct src_softc) +}; + +static devclass_t src_devclass; + +DRIVER_MODULE(src, simplebus, src_driver, src_devclass, 0, 0); Property changes on: head/sys/arm/freescale/imx/imx6_src.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: head/sys/arm/freescale/imx/imx6_src.h =================================================================== --- head/sys/arm/freescale/imx/imx6_src.h (nonexistent) +++ head/sys/arm/freescale/imx/imx6_src.h (revision 290807) @@ -0,0 +1,34 @@ +/*- + * Copyright (c) 2015 Oleksandr Tymoshenko + * All rights reserved. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +#ifndef __IMX6_SRC_H__ +#define __IMX6_SRC_H__ + +int src_reset_ipu(void); + +#endif /* __IMX6_SRC_H__ */ Property changes on: head/sys/arm/freescale/imx/imx6_src.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property