Date: Fri, 13 Dec 2013 22:27:27 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r259352 - stable/10/sys/arm/freescale/imx Message-ID: <201312132227.rBDMRR6t052131@svn.freebsd.org>
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Author: ian Date: Fri Dec 13 22:27:26 2013 New Revision: 259352 URL: http://svnweb.freebsd.org/changeset/base/259352 Log: MFC r257453: Add stubbed-out imx6 support for clocks and power management. Added: stable/10/sys/arm/freescale/imx/imx6_anatop.c - copied unchanged from r257453, head/sys/arm/freescale/imx/imx6_anatop.c stable/10/sys/arm/freescale/imx/imx6_anatopreg.h - copied unchanged from r257453, head/sys/arm/freescale/imx/imx6_anatopreg.h stable/10/sys/arm/freescale/imx/imx6_anatopvar.h - copied unchanged from r257453, head/sys/arm/freescale/imx/imx6_anatopvar.h stable/10/sys/arm/freescale/imx/imx6_ccm.c - copied unchanged from r257453, head/sys/arm/freescale/imx/imx6_ccm.c stable/10/sys/arm/freescale/imx/imx6_ccmreg.h - copied unchanged from r257453, head/sys/arm/freescale/imx/imx6_ccmreg.h Modified: Directory Properties: stable/10/ (props changed) Copied: stable/10/sys/arm/freescale/imx/imx6_anatop.c (from r257453, head/sys/arm/freescale/imx/imx6_anatop.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/arm/freescale/imx/imx6_anatop.c Fri Dec 13 22:27:26 2013 (r259352, copy of r257453, head/sys/arm/freescale/imx/imx6_anatop.c) @@ -0,0 +1,155 @@ +/*- + * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * Analog PLL and power regulator driver for Freescale i.MX6 family of SoCs. + * + * We don't really do anything with analog PLLs, but the registers for + * controlling them belong to the same block as the power regulator registers. + * Since the newbus hierarchy makes it hard for anyone other than us to get at + * them, we just export a couple public functions to allow the imx6 CCM clock + * driver to read and write those registers. + * + * We also don't do anything about power regulation yet, but when the need + * arises, this would be the place for that code to live. + * + * I have no idea where the "anatop" name comes from. It's in the standard DTS + * source describing i.MX6 SoCs, and in the linux and u-boot code which comes + * from Freescale, but it's not in the SoC manual. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/rman.h> + +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include <machine/bus.h> + +#include <arm/freescale/imx/imx6_anatopreg.h> +#include <arm/freescale/imx/imx6_anatopvar.h> + +struct imx6_anatop_softc { + device_t dev; + struct resource *mem_res; +}; + +static struct imx6_anatop_softc *imx6_anatop_sc; + +uint32_t +imx6_anatop_read_4(bus_size_t offset) +{ + + return (bus_read_4(imx6_anatop_sc->mem_res, offset)); +} + +void +imx6_anatop_write_4(bus_size_t offset, uint32_t value) +{ + + bus_write_4(imx6_anatop_sc->mem_res, offset, value); +} + +static int +imx6_anatop_detach(device_t dev) +{ + struct imx6_anatop_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 +imx6_anatop_attach(device_t dev) +{ + struct imx6_anatop_softc *sc; + int err, rid; + + sc = device_get_softc(dev); + + /* 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; + } + + imx6_anatop_sc = sc; + err = 0; + +out: + + if (err != 0) + imx6_anatop_detach(dev); + + return (err); +} + +static int +imx6_anatop_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "fsl,imx6q-anatop") == 0) + return (ENXIO); + + device_set_desc(dev, "Freescale i.MX6 Analog PLLs and Power"); + + return (BUS_PROBE_DEFAULT); +} + +static device_method_t imx6_anatop_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, imx6_anatop_probe), + DEVMETHOD(device_attach, imx6_anatop_attach), + DEVMETHOD(device_detach, imx6_anatop_detach), + + DEVMETHOD_END +}; + +static driver_t imx6_anatop_driver = { + "imx6_anatop", + imx6_anatop_methods, + sizeof(struct imx6_anatop_softc) +}; + +static devclass_t imx6_anatop_devclass; + +DRIVER_MODULE(imx6_anatop, simplebus, imx6_anatop_driver, imx6_anatop_devclass, 0, 0); + Copied: stable/10/sys/arm/freescale/imx/imx6_anatopreg.h (from r257453, head/sys/arm/freescale/imx/imx6_anatopreg.h) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/arm/freescale/imx/imx6_anatopreg.h Fri Dec 13 22:27:26 2013 (r259352, copy of r257453, head/sys/arm/freescale/imx/imx6_anatopreg.h) @@ -0,0 +1,128 @@ +/*- + * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> + * 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_ANATOPREG_H +#define IMX6_ANATOPREG_H + +#define IMX6_ANALOG_CCM_PLL_ARM 0x000 +#define IMX6_ANALOG_CCM_PLL_ARM_SET 0x004 +#define IMX6_ANALOG_CCM_PLL_ARM_CLR 0x008 +#define IMX6_ANALOG_CCM_PLL_ARM_TOG 0x00C +#define IMX6_ANALOG_CCM_PLL_USB1 0x010 +#define IMX6_ANALOG_CCM_PLL_USB1_SET 0x014 +#define IMX6_ANALOG_CCM_PLL_USB1_CLR 0x018 +#define IMX6_ANALOG_CCM_PLL_USB1_TOG 0x01C +#define IMX6_ANALOG_CCM_PLL_USB_LOCK (1 << 31) +#define IMX6_ANALOG_CCM_PLL_USB_BYPASS (1 << 16) +#define IMX6_ANALOG_CCM_PLL_USB_ENABLE (1 << 13) +#define IMX6_ANALOG_CCM_PLL_USB_POWER (1 << 12) +#define IMX6_ANALOG_CCM_PLL_USB_EN_USB_CLKS (1 << 6) +#define IMX6_ANALOG_CCM_PLL_USB2 0x020 +#define IMX6_ANALOG_CCM_PLL_USB2_SET 0x024 +#define IMX6_ANALOG_CCM_PLL_USB2_CLR 0x028 +#define IMX6_ANALOG_CCM_PLL_USB2_TOG 0x02C +#define IMX6_ANALOG_CCM_PLL_SYS 0x030 +#define IMX6_ANALOG_CCM_PLL_SYS_SET 0x034 +#define IMX6_ANALOG_CCM_PLL_SYS_CLR 0x038 +#define IMX6_ANALOG_CCM_PLL_SYS_TOG 0x03C +#define IMX6_ANALOG_CCM_PLL_SYS_SS 0x040 +#define IMX6_ANALOG_CCM_PLL_SYS_NUM 0x050 +#define IMX6_ANALOG_CCM_PLL_SYS_DENOM 0x060 +#define IMX6_ANALOG_CCM_PLL_AUDIO 0x070 +#define IMX6_ANALOG_CCM_PLL_AUDIO_SET 0x074 +#define IMX6_ANALOG_CCM_PLL_AUDIO_CLR 0x078 +#define IMX6_ANALOG_CCM_PLL_AUDIO_TOG 0x07C +#define IMX6_ANALOG_CCM_PLL_AUDIO_NUM 0x080 +#define IMX6_ANALOG_CCM_PLL_AUDIO_DENOM 0x090 +#define IMX6_ANALOG_CCM_PLL_VIDEO 0x0A0 +#define IMX6_ANALOG_CCM_PLL_VIDEO_SET 0x0A4 +#define IMX6_ANALOG_CCM_PLL_VIDEO_CLR 0x0A8 +#define IMX6_ANALOG_CCM_PLL_VIDEO_TOG 0x0AC +#define IMX6_ANALOG_CCM_PLL_VIDEO_NUM 0x0B0 +#define IMX6_ANALOG_CCM_PLL_VIDEO_DENOM 0x0C0 +#define IMX6_ANALOG_CCM_PLL_MLB 0x0D0 +#define IMX6_ANALOG_CCM_PLL_MLB_SET 0x0D4 +#define IMX6_ANALOG_CCM_PLL_MLB_CLR 0x0D8 +#define IMX6_ANALOG_CCM_PLL_MLB_TOG 0x0DC +#define IMX6_ANALOG_CCM_PLL_ENET 0x0E0 +#define IMX6_ANALOG_CCM_PLL_ENET_SET 0x0E4 +#define IMX6_ANALOG_CCM_PLL_ENET_CLR 0x0E8 +#define IMX6_ANALOG_CCM_PLL_ENET_TOG 0x0EC +#define IMX6_ANALOG_CCM_PFD_480 0x0F0 +#define IMX6_ANALOG_CCM_PFD_480_SET 0x0F4 +#define IMX6_ANALOG_CCM_PFD_480_CLR 0x0F8 +#define IMX6_ANALOG_CCM_PFD_480_TOG 0x0FC +#define IMX6_ANALOG_CCM_PFD_528 0x100 +#define IMX6_ANALOG_CCM_PFD_528_SET 0x104 +#define IMX6_ANALOG_CCM_PFD_528_CLR 0x108 +#define IMX6_ANALOG_CCM_PFD_528_TOG 0x10C +#define IMX6_ANALOG_CCM_MISC0 0x150 +#define IMX6_ANALOG_CCM_MISC0_SET 0x154 +#define IMX6_ANALOG_CCM_MISC0_CLR 0x158 +#define IMX6_ANALOG_CCM_MISC0_TOG 0x15C +#define IMX6_ANALOG_CCM_MISC2 0x170 +#define IMX6_ANALOG_CCM_MISC2_SET 0x174 +#define IMX6_ANALOG_CCM_MISC2_CLR 0x178 +#define IMX6_ANALOG_CCM_MISC2_TOG 0x17C + +#define IMX6_ANALOG_USB1_VBUS_DETECT 0x1A0 +#define IMX6_ANALOG_USB1_VBUS_DETECT_SET 0x1A4 +#define IMX6_ANALOG_USB1_VBUS_DETECT_CLR 0x1A8 +#define IMX6_ANALOG_USB1_VBUS_DETECT_TOG 0x1AC +#define IMX6_ANALOG_USB1_CHRG_DETECT 0x1B0 +#define IMX6_ANALOG_USB1_CHRG_DETECT_SET 0x1B4 +#define IMX6_ANALOG_USB1_CHRG_DETECT_CLR 0x1B8 +#define IMX6_ANALOG_USB1_CHRG_DETECT_TOG 0x1BC +#define IMX6_ANALOG_USB_CHRG_DETECT_N_ENABLE (1 << 20) /* EN_B */ +#define IMX6_ANALOG_USB_CHRG_DETECT_N_CHK_CHRG (1 << 19) /* CHK_CHRG_B */ +#define IMX6_ANALOG_USB_CHRG_DETECT_CHK_CONTACT (1 << 18) +#define IMX6_ANALOG_USB1_VBUS_DETECT_STAT 0x1C0 +#define IMX6_ANALOG_USB1_CHRG_DETECT_STAT 0x1D0 +#define IMX6_ANALOG_USB1_MISC 0x1F0 +#define IMX6_ANALOG_USB1_MISC_SET 0x1F4 +#define IMX6_ANALOG_USB1_MISC_CLR 0x1F8 +#define IMX6_ANALOG_USB1_MISC_TOG 0x1FC +#define IMX6_ANALOG_USB2_VBUS_DETECT 0x200 +#define IMX6_ANALOG_USB2_VBUS_DETECT_SET 0x204 +#define IMX6_ANALOG_USB2_VBUS_DETECT_CLR 0x208 +#define IMX6_ANALOG_USB2_VBUS_DETECT_TOG 0x20C +#define IMX6_ANALOG_USB2_CHRG_DETECT 0x210 +#define IMX6_ANALOG_USB2_CHRG_DETECT_SET 0x214 +#define IMX6_ANALOG_USB2_CHRG_DETECT_CLR 0x218 +#define IMX6_ANALOG_USB2_CHRG_DETECT_TOG 0x21C +#define IMX6_ANALOG_USB2_VBUS_DETECT_STAT 0x220 +#define IMX6_ANALOG_USB2_CHRG_DETECT_STAT 0x230 +#define IMX6_ANALOG_USB2_MISC 0x250 +#define IMX6_ANALOG_USB2_MISC_SET 0x254 +#define IMX6_ANALOG_USB2_MISC_CLR 0x258 +#define IMX6_ANALOG_USB2_MISC_TOG 0x25C +#define IMX6_ANALOG_DIGPROG 0x260 + + + +#endif Copied: stable/10/sys/arm/freescale/imx/imx6_anatopvar.h (from r257453, head/sys/arm/freescale/imx/imx6_anatopvar.h) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/arm/freescale/imx/imx6_anatopvar.h Fri Dec 13 22:27:26 2013 (r259352, copy of r257453, head/sys/arm/freescale/imx/imx6_anatopvar.h) @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> + * 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_ANATOPVAR_H +#define IMX6_ANATOPVAR_H + +/* + * All registers controlling various analog aspects of the SoC (such as PLLs or + * voltage regulators or USB VBUS detection) are gathered together under the + * anatop device (because of newbus hierarchical resource management), but other + * drivers such as CMM or USBPHY need access to these registers. These + * functions let them have at the hardware directly. No effort is made by these + * functions to mediate concurrent access. + */ +uint32_t imx6_anatop_read_4(bus_size_t _offset); +void imx6_anatop_write_4(bus_size_t _offset, uint32_t _value); + +#endif Copied: stable/10/sys/arm/freescale/imx/imx6_ccm.c (from r257453, head/sys/arm/freescale/imx/imx6_ccm.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/arm/freescale/imx/imx6_ccm.c Fri Dec 13 22:27:26 2013 (r259352, copy of r257453, head/sys/arm/freescale/imx/imx6_ccm.c) @@ -0,0 +1,225 @@ +/*- + * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * Clocks and power control driver for Freescale i.MX6 family of SoCs. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/rman.h> + +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include <machine/bus.h> + +#include <arm/freescale/imx/imx6_anatopreg.h> +#include <arm/freescale/imx/imx6_anatopvar.h> +#include <arm/freescale/imx/imx_machdep.h> +#include <arm/freescale/imx/imx6_ccmreg.h> + + +/* XXX temp kludge for imx51_get_clock. */ +#include <arm/freescale/imx/imx51_ccmvar.h> +#include <arm/freescale/imx/imx51_ccmreg.h> + +struct ccm_softc { + device_t dev; + struct resource *mem_res; +}; + +static struct ccm_softc *ccm_sc; + +static inline uint32_t +RD4(struct ccm_softc *sc, bus_size_t off) +{ + + return (bus_read_4(sc->mem_res, off)); +} + +static inline void +WR4(struct ccm_softc *sc, bus_size_t off, uint32_t val) +{ + + bus_write_4(sc->mem_res, off, val); +} + +static int +ccm_detach(device_t dev) +{ + struct ccm_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 +ccm_attach(device_t dev) +{ + struct ccm_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; + } + + ccm_sc = sc; + err = 0; + +out: + + if (err != 0) + ccm_detach(dev); + + return (err); +} + +static int +ccm_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "fsl,imx6q-ccm") == 0) + return (ENXIO); + + device_set_desc(dev, "Freescale i.MX6 Clock Control Module"); + + return (BUS_PROBE_DEFAULT); +} + +void +imx_ccm_usb_enable(device_t _usbdev) +{ + + /* + * For imx6, the USBOH3 clock gate is bits 0-1 of CCGR6, so no need for + * shifting and masking here, just set the low-order two bits to ALWAYS. + */ + WR4(ccm_sc, CCM_CCGR6, RD4(ccm_sc, CCM_CCGR6) | CCGR_CLK_MODE_ALWAYS); +} + +void +imx_ccm_usbphy_enable(device_t _phydev) +{ + /* + * XXX Which unit? + * Right now it's not clear how to figure from fdt data which phy unit + * we're supposed to operate on. Until this is worked out, just enable + * both PHYs. + */ +#if 0 + int phy_num, regoff; + + phy_num = 0; /* XXX */ + + switch (phy_num) { + case 0: + regoff = 0; + break; + case 1: + regoff = 0x10; + break; + default: + device_printf(ccm_sc->dev, "Bad PHY number %u,\n", + phy_num); + return; + } + + imx6_anatop_write_4(IMX6_ANALOG_CCM_PLL_USB1 + regoff, + IMX6_ANALOG_CCM_PLL_USB_ENABLE | + IMX6_ANALOG_CCM_PLL_USB_POWER | + IMX6_ANALOG_CCM_PLL_USB_EN_USB_CLKS); +#else + imx6_anatop_write_4(IMX6_ANALOG_CCM_PLL_USB1 + 0, + IMX6_ANALOG_CCM_PLL_USB_ENABLE | + IMX6_ANALOG_CCM_PLL_USB_POWER | + IMX6_ANALOG_CCM_PLL_USB_EN_USB_CLKS); + + imx6_anatop_write_4(IMX6_ANALOG_CCM_PLL_USB1 + 0x10, + IMX6_ANALOG_CCM_PLL_USB_ENABLE | + IMX6_ANALOG_CCM_PLL_USB_POWER | + IMX6_ANALOG_CCM_PLL_USB_EN_USB_CLKS); +#endif +} + + + + + +// XXX Fix this. This has to be here for other code to link, +// but it doesn't have to return anything useful for imx6 right now. +u_int +imx51_get_clock(enum imx51_clock clk) +{ + switch (clk) + { + case IMX51CLK_IPG_CLK_ROOT: + return 66000000; + default: + printf("imx51_get_clock() on imx6 doesn't know about clock %d\n", clk); + break; + } + return 0; +} + +static device_method_t ccm_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ccm_probe), + DEVMETHOD(device_attach, ccm_attach), + DEVMETHOD(device_detach, ccm_detach), + + DEVMETHOD_END +}; + +static driver_t ccm_driver = { + "ccm", + ccm_methods, + sizeof(struct ccm_softc) +}; + +static devclass_t ccm_devclass; + +DRIVER_MODULE(ccm, simplebus, ccm_driver, ccm_devclass, 0, 0); + Copied: stable/10/sys/arm/freescale/imx/imx6_ccmreg.h (from r257453, head/sys/arm/freescale/imx/imx6_ccmreg.h) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/arm/freescale/imx/imx6_ccmreg.h Fri Dec 13 22:27:26 2013 (r259352, copy of r257453, head/sys/arm/freescale/imx/imx6_ccmreg.h) @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> + * 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_CCMREG_H +#define IMX6_CCMREG_H + +#define CCM_CCGR1 0x06C +#define CCM_CCGR2 0x070 +#define CCM_CCGR3 0x074 +#define CCM_CCGR4 0x078 +#define CCM_CCGR5 0x07C +#define CCM_CCGR6 0x080 +#define CCM_CMEOR 0x088 + + +#endif
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