From 390a637d57b05ac5eaee230d0dd1029d024de8ae Mon Sep 17 00:00:00 2001 From: Patrick Wildt Date: Thu, 23 Apr 2020 22:14:50 +0000 Subject: Move imxehci(4) to sys/dev/fdt. ok kettenis@ --- sys/arch/armv7/imx/files.imx | 6 +- sys/arch/armv7/imx/imxehci.c | 395 ------------------------------------------- 2 files changed, 1 insertion(+), 400 deletions(-) delete mode 100644 sys/arch/armv7/imx/imxehci.c (limited to 'sys/arch/armv7/imx') diff --git a/sys/arch/armv7/imx/files.imx b/sys/arch/armv7/imx/files.imx index 5e6e571c745..41945d77a6c 100644 --- a/sys/arch/armv7/imx/files.imx +++ b/sys/arch/armv7/imx/files.imx @@ -1,13 +1,9 @@ -# $OpenBSD: files.imx,v 1.30 2018/04/02 17:45:38 patrick Exp $ +# $OpenBSD: files.imx,v 1.31 2020/04/23 22:14:49 patrick Exp $ device imxdog attach imxdog at fdt file arch/armv7/imx/imxdog.c imxdog -device imxehci: usbus -attach imxehci at fdt -file arch/armv7/imx/imxehci.c imxehci - device imxahci: scsi, atascsi attach imxahci at fdt file arch/armv7/imx/imxahci.c imxahci diff --git a/sys/arch/armv7/imx/imxehci.c b/sys/arch/armv7/imx/imxehci.c deleted file mode 100644 index 759a0eab3c8..00000000000 --- a/sys/arch/armv7/imx/imxehci.c +++ /dev/null @@ -1,395 +0,0 @@ -/* $OpenBSD: imxehci.c,v 1.25 2018/06/11 09:22:50 kettenis Exp $ */ -/* - * Copyright (c) 2012-2013 Patrick Wildt - * - * 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. - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -/* usb phy */ -#define USBPHY_PWD 0x00 -#define USBPHY_CTRL 0x30 -#define USBPHY_CTRL_SET 0x34 -#define USBPHY_CTRL_CLR 0x38 -#define USBPHY_CTRL_TOG 0x3c - -#define USBPHY_CTRL_ENUTMILEVEL2 (1 << 14) -#define USBPHY_CTRL_ENUTMILEVEL3 (1 << 15) -#define USBPHY_CTRL_CLKGATE (1 << 30) -#define USBPHY_CTRL_SFTRST (1U << 31) - -/* ehci */ -#define USB_EHCI_OFFSET 0x100 - -#define EHCI_PS_PTS_UTMI_MASK ((1 << 25) | (3 << 30)) - -/* usb non-core */ -#define USBNC_USB_OTG_CTRL 0x00 -#define USBNC_USB_UH1_CTRL 0x04 - -#define USBNC_USB_OTG_CTRL_OVER_CUR_POL (1 << 8) -#define USBNC_USB_OTG_CTRL_OVER_CUR_DIS (1 << 7) -#define USBNC_USB_UH1_CTRL_OVER_CUR_POL (1 << 8) -#define USBNC_USB_UH1_CTRL_OVER_CUR_DIS (1 << 7) - -/* anatop */ -#define ANALOG_USB1_CHRG_DETECT 0x1b0 -#define ANALOG_USB1_CHRG_DETECT_SET 0x1b4 -#define ANALOG_USB1_CHRG_DETECT_CLR 0x1b8 -#define ANALOG_USB1_CHRG_DETECT_CHK_CHRG_B (1 << 19) -#define ANALOG_USB1_CHRG_DETECT_EN_B (1 << 20) -#define ANALOG_USB2_CHRG_DETECT 0x210 -#define ANALOG_USB2_CHRG_DETECT_SET 0x214 -#define ANALOG_USB2_CHRG_DETECT_CLR 0x218 -#define ANALOG_USB2_CHRG_DETECT_CHK_CHRG_B (1 << 19) -#define ANALOG_USB2_CHRG_DETECT_EN_B (1 << 20) - -int imxehci_match(struct device *, void *, void *); -void imxehci_attach(struct device *, struct device *, void *); -int imxehci_detach(struct device *, int); - -struct imxehci_softc { - struct ehci_softc sc; - void *sc_ih; - bus_space_handle_t uh_ioh; - bus_space_handle_t ph_ioh; - bus_space_handle_t nc_ioh; - uint32_t sc_unit; -}; - -struct cfattach imxehci_ca = { - sizeof (struct imxehci_softc), imxehci_match, imxehci_attach, - imxehci_detach -}; - -struct cfdriver imxehci_cd = { - NULL, "imxehci", DV_DULL -}; - -void imxehci_init_phy(struct imxehci_softc *, uint32_t *); - -int -imxehci_match(struct device *parent, void *match, void *aux) -{ - struct fdt_attach_args *faa = aux; - - return OF_is_compatible(faa->fa_node, "fsl,imx27-usb"); -} - -void -imxehci_attach(struct device *parent, struct device *self, void *aux) -{ - struct imxehci_softc *sc = (struct imxehci_softc *)self; - struct fdt_attach_args *faa = aux; - usbd_status r; - char *devname = sc->sc.sc_bus.bdev.dv_xname; - uint32_t phy[1], misc[2]; - uint32_t misc_reg[2]; - uint32_t vbus; - int misc_node; - - if (faa->fa_nreg < 1) - return; - - if (OF_getpropintarray(faa->fa_node, "fsl,usbphy", - phy, sizeof(phy)) != sizeof(phy)) - return; - - if (OF_getpropintarray(faa->fa_node, "fsl,usbmisc", - misc, sizeof(misc)) != sizeof(misc)) - return; - - misc_node = OF_getnodebyphandle(misc[0]); - if (misc_node == 0) - return; - - if (OF_getpropintarray(misc_node, "reg", misc_reg, - sizeof(misc_reg)) != sizeof(misc_reg)) - return; - - sc->sc.iot = faa->fa_iot; - sc->sc.sc_bus.dmatag = faa->fa_dmat; - sc->sc.sc_size = faa->fa_reg[0].size - USB_EHCI_OFFSET; - sc->sc.sc_flags = EHCIF_USBMODE; - sc->sc_unit = misc[1]; - - /* Map I/O space */ - if (bus_space_map(sc->sc.iot, faa->fa_reg[0].addr, - faa->fa_reg[0].size, 0, &sc->uh_ioh)) { - printf(": cannot map mem space\n"); - goto out; - } - if (bus_space_subregion(sc->sc.iot, sc->uh_ioh, USB_EHCI_OFFSET, - sc->sc.sc_size, &sc->sc.ioh)) { - printf(": cannot map mem space\n"); - goto mem0; - } - - if (bus_space_map(sc->sc.iot, misc_reg[0], - misc_reg[1], 0, &sc->nc_ioh)) { - printf(": cannot map mem space\n"); - goto mem1; - } - - printf("\n"); - - pinctrl_byname(faa->fa_node, "default"); - clock_enable(faa->fa_node, NULL); - delay(1000); - - /* over current and polarity setting */ - switch (misc[1]) { - case 0: - bus_space_write_4(sc->sc.iot, sc->nc_ioh, USBNC_USB_OTG_CTRL, - bus_space_read_4(sc->sc.iot, sc->nc_ioh, USBNC_USB_OTG_CTRL) | - (USBNC_USB_OTG_CTRL_OVER_CUR_POL | USBNC_USB_OTG_CTRL_OVER_CUR_DIS)); - break; - case 1: - bus_space_write_4(sc->sc.iot, sc->nc_ioh, USBNC_USB_UH1_CTRL, - bus_space_read_4(sc->sc.iot, sc->nc_ioh, USBNC_USB_UH1_CTRL) | - (USBNC_USB_UH1_CTRL_OVER_CUR_POL | USBNC_USB_UH1_CTRL_OVER_CUR_DIS)); - break; - } - - /* enable usb bus power */ - vbus = OF_getpropint(faa->fa_node, "vbus-supply", 0); - if (vbus) - regulator_enable(vbus); - - /* Disable interrupts, so we don't get any spurious ones. */ - sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH); - EOWRITE2(&sc->sc, EHCI_USBINTR, 0); - - /* Stop then Reset */ - uint32_t val = EOREAD4(&sc->sc, EHCI_USBCMD); - val &= ~EHCI_CMD_RS; - EOWRITE4(&sc->sc, EHCI_USBCMD, val); - - while (EOREAD4(&sc->sc, EHCI_USBCMD) & EHCI_CMD_RS) - ; - - val = EOREAD4(&sc->sc, EHCI_USBCMD); - val |= EHCI_CMD_HCRESET; - EOWRITE4(&sc->sc, EHCI_USBCMD, val); - - while (EOREAD4(&sc->sc, EHCI_USBCMD) & EHCI_CMD_HCRESET) - ; - - /* power up PHY */ - imxehci_init_phy(sc, phy); - - /* set host mode */ - EOWRITE4(&sc->sc, EHCI_USBMODE, - EOREAD4(&sc->sc, EHCI_USBMODE) | EHCI_USBMODE_CM_HOST); - - /* set to UTMI mode */ - EOWRITE4(&sc->sc, EHCI_PORTSC(1), - EOREAD4(&sc->sc, EHCI_PORTSC(1)) & ~EHCI_PS_PTS_UTMI_MASK); - - sc->sc_ih = arm_intr_establish_fdt(faa->fa_node, IPL_USB, - ehci_intr, &sc->sc, devname); - if (sc->sc_ih == NULL) { - printf(": unable to establish interrupt\n"); - goto mem2; - } - - strlcpy(sc->sc.sc_vendor, "i.MX", sizeof(sc->sc.sc_vendor)); - r = ehci_init(&sc->sc); - if (r != USBD_NORMAL_COMPLETION) { - printf("%s: init failed, error=%d\n", devname, r); - goto intr; - } - - config_found(self, &sc->sc.sc_bus, usbctlprint); - - goto out; - -intr: - arm_intr_disestablish(sc->sc_ih); - sc->sc_ih = NULL; -mem2: - bus_space_unmap(sc->sc.iot, sc->nc_ioh, misc_reg[1]); -mem1: -mem0: - bus_space_unmap(sc->sc.iot, sc->sc.ioh, faa->fa_reg[0].size); - sc->sc.sc_size = 0; -out: - return; -} - -int -imxehci_detach(struct device *self, int flags) -{ - struct imxehci_softc *sc = (struct imxehci_softc *)self; - int rv; - - rv = ehci_detach(self, flags); - if (rv) - return (rv); - - if (sc->sc_ih != NULL) { - arm_intr_disestablish(sc->sc_ih); - sc->sc_ih = NULL; - } - - if (sc->sc.sc_size) { - bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size); - sc->sc.sc_size = 0; - } - - return (0); -} - -/* - * PHY initialization. - */ - -struct imxehci_phy { - const char *compat; - void (*init)(struct imxehci_softc *, uint32_t *); -}; - -void imx23_usb_init(struct imxehci_softc *, uint32_t *); -static void nop_xceiv_init(struct imxehci_softc *, uint32_t *); - -struct imxehci_phy imxehci_phys[] = { - { "fsl,imx23-usbphy", imx23_usb_init }, - { "usb-nop-xceiv", nop_xceiv_init }, -}; - -void -imxehci_init_phy(struct imxehci_softc *sc, uint32_t *cells) -{ - int node; - int i; - - node = OF_getnodebyphandle(cells[0]); - if (node == 0) - return; - - for (i = 0; i < nitems(imxehci_phys); i++) { - if (OF_is_compatible(node, imxehci_phys[i].compat)) { - imxehci_phys[i].init(sc, cells); - return; - } - } -} - -/* - * i.MX5/6 PHYs. - */ - -void -imx23_usb_init(struct imxehci_softc *sc, uint32_t *cells) -{ - struct regmap *rm = NULL; - uint32_t phy_reg[2]; - uint32_t anatop[1]; - int node; - - node = OF_getnodebyphandle(cells[0]); - KASSERT(node != 0); - - if (OF_getpropintarray(node, "reg", phy_reg, - sizeof(phy_reg)) != sizeof(phy_reg)) - return; - - if (bus_space_map(sc->sc.iot, phy_reg[0], - phy_reg[1], 0, &sc->ph_ioh)) { - printf("%s: can't map PHY registers\n", - sc->sc.sc_bus.bdev.dv_xname); - return; - } - - if (OF_getpropintarray(node, "fsl,anatop", - anatop, sizeof(anatop)) == sizeof(anatop)) - rm = regmap_byphandle(anatop[0]); - - /* Disable the carger detection, else signal on DP will be poor */ - switch (sc->sc_unit) { - case 0: - if (rm != NULL) - regmap_write_4(rm, ANALOG_USB1_CHRG_DETECT_SET, - ANALOG_USB1_CHRG_DETECT_CHK_CHRG_B | - ANALOG_USB1_CHRG_DETECT_EN_B); - break; - case 1: - if (rm != NULL) - regmap_write_4(rm, ANALOG_USB2_CHRG_DETECT_SET, - ANALOG_USB2_CHRG_DETECT_CHK_CHRG_B | - ANALOG_USB2_CHRG_DETECT_EN_B); - break; - } - - clock_enable(node, NULL); - - /* Reset USBPHY module */ - bus_space_write_4(sc->sc.iot, sc->ph_ioh, USBPHY_CTRL_SET, - USBPHY_CTRL_SFTRST); - - delay(10); - - /* Remove CLKGATE and SFTRST */ - bus_space_write_4(sc->sc.iot, sc->ph_ioh, USBPHY_CTRL_CLR, - USBPHY_CTRL_CLKGATE | USBPHY_CTRL_SFTRST); - - delay(10); - - /* Power up the PHY */ - bus_space_write_4(sc->sc.iot, sc->ph_ioh, USBPHY_PWD, 0); - - /* enable FS/LS device */ - bus_space_write_4(sc->sc.iot, sc->ph_ioh, USBPHY_CTRL_SET, - USBPHY_CTRL_ENUTMILEVEL2 | USBPHY_CTRL_ENUTMILEVEL3); -} - -/* - * i.MX7 PHYs. - */ - -static void -nop_xceiv_init(struct imxehci_softc *sc, uint32_t *cells) -{ - int node; - - node = OF_getnodebyphandle(cells[0]); - KASSERT(node != 0); - - clock_enable(node, NULL); -} -- cgit v1.2.3