/* $NetBSD: omap3_ehci.c,v 1.12 2016/10/04 15:59:36 kiyohara Exp $ */ /*- * Copyright (c) 2010-2012 Jared D. McNeill * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 __KERNEL_RCSID(0, "$NetBSD: omap3_ehci.c,v 1.12 2016/10/04 15:59:36 kiyohara Exp $"); #include "locators.h" #include "opt_omap.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* CORE_CM */ #define CORE_CM_BASE (OMAP2_CM_BASE + 0x0a00) #define CORE_CM_SIZE 0x2000 /* CORE_CM registers */ #define CM_FCLKEN1_CORE 0x00 #define CM_FCLKEN3_CORE 0x08 #define EN_USBTLL 4 /* USB TLL clock enable */ /* also valid for CM_ICLKEN3_CORE */ #define CM_ICLKEN1_CORE 0x10 #define CM_ICLKEN3_CORE 0x18 #define CM_IDLEST1_CORE 0x20 #define CM_IDLEST3_CORE 0x28 #define CM_AUTOIDLE1_CORE 0x30 #define CM_AUTOIDLE3_CORE 0x38 #define AUTO_USBTLL 4 /* USB TLL auto enable/disable */ #define CM_CLKSEL_CORE 0x40 #define CM_CLKSTCTRL_CORE 0x48 #define CM_CLKSTST_CORE 0x4c /* Clock_Control_Reg_CM */ #define CCR_CM_BASE (OMAP2_CM_BASE + 0x0d00) #define CCR_CM_SIZE 0x800 /* DPLL clock control registers */ #define CM_CLKEN2_PLL 0x04 #define CM_IDLEST2_CKGEN 0x24 #define ST_PERIPH2_CLK 1 /* DPLL5 is locked */ #define CM_CLKSEL4_PLL 0x4c #define CM_CLKSEL5_PLL 0x50 #define CM_AUTOIDLE2_PLL 0x34 #define AUTO_PERIPH2_DPLL 1 /* DPLL5 automatic control */ /* USBHOST_CM */ #define USBHOST_CM_BASE (OMAP2_CM_BASE + 0x1400) #define USBHOST_CM_SIZE 0x2000 /* USBHOST_CM registers */ #define CM_FCLKEN_USBHOST 0x00 #define EN_USBHOST1 1 /* USB HOST 48 MHz clock enable */ #define EN_USBHOST2 2 /* USB HOST 120 MHz clock enable */ #define CM_ICLKEN_USBHOST 0x10 #define EN_USBHOST 1 /* USB HOST clock enable */ #define CM_IDLEST_USBHOST 0x20 #define CM_AUTOIDLE_USBHOST 0x30 #define CM_SLEEPDEP_USBHOST 0x44 #define CM_CLKSTCTRL_USBHOST 0x48 #define CM_CLKSTST_USBHOST 0x4c /* USBTLL module */ #ifdef OMAP_3XXX #define USBTLL_BASE 0x48062000 #elif defined(OMAP4) || defined(OMAP5) #define USBTLL_BASE 0x4a062000 #endif #define USBTLL_SIZE 0x1000 /* HS USB HOST module */ #ifdef OMAP_3XXX #define UHH_BASE 0x48064000 #elif defined(OMAP4) || defined(OMAP5) #define UHH_BASE 0x4a064000 #endif #define UHH_SIZE 0x1000 enum omap3_ehci_port_mode { OMAP3_EHCI_PORT_MODE_NONE, OMAP3_EHCI_PORT_MODE_PHY, OMAP3_EHCI_PORT_MODE_TLL, OMAP3_EHCI_PORT_MODE_HSIC, }; static const uint32_t uhh_map[3][4] = { #if defined(OMAP4) || defined(OMAP5) { [OMAP3_EHCI_PORT_MODE_NONE] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_UTMI, UHH_HOSTCONFIG_P1_MODE), [OMAP3_EHCI_PORT_MODE_PHY] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_ULPI_PHY, UHH_HOSTCONFIG_P1_MODE), [OMAP3_EHCI_PORT_MODE_TLL] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_UTMI, UHH_HOSTCONFIG_P1_MODE), [OMAP3_EHCI_PORT_MODE_HSIC] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_HSIC, UHH_HOSTCONFIG_P1_MODE), }, { [OMAP3_EHCI_PORT_MODE_NONE] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_UTMI, UHH_HOSTCONFIG_P2_MODE), [OMAP3_EHCI_PORT_MODE_PHY] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_ULPI_PHY, UHH_HOSTCONFIG_P2_MODE), [OMAP3_EHCI_PORT_MODE_TLL] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_UTMI, UHH_HOSTCONFIG_P2_MODE), [OMAP3_EHCI_PORT_MODE_HSIC] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_HSIC, UHH_HOSTCONFIG_P2_MODE), }, { [OMAP3_EHCI_PORT_MODE_NONE] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_UTMI, UHH_HOSTCONFIG_P3_MODE), [OMAP3_EHCI_PORT_MODE_PHY] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_ULPI_PHY, UHH_HOSTCONFIG_P3_MODE), [OMAP3_EHCI_PORT_MODE_TLL] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_UTMI, UHH_HOSTCONFIG_P3_MODE), [OMAP3_EHCI_PORT_MODE_HSIC] = __SHIFTIN(UHH_HOSTCONFIG_PMODE_HSIC, UHH_HOSTCONFIG_P3_MODE), } #else { [OMAP3_EHCI_PORT_MODE_NONE] = UHH_HOSTCONFIG_P1_ULPI_BYPASS, [OMAP3_EHCI_PORT_MODE_PHY] = 0, [OMAP3_EHCI_PORT_MODE_TLL] = UHH_HOSTCONFIG_P1_ULPI_BYPASS, [OMAP3_EHCI_PORT_MODE_HSIC] = UHH_HOSTCONFIG_P1_ULPI_BYPASS, }, { [OMAP3_EHCI_PORT_MODE_NONE] = UHH_HOSTCONFIG_P2_ULPI_BYPASS, [OMAP3_EHCI_PORT_MODE_PHY] = 0, [OMAP3_EHCI_PORT_MODE_TLL] = UHH_HOSTCONFIG_P2_ULPI_BYPASS, [OMAP3_EHCI_PORT_MODE_HSIC] = UHH_HOSTCONFIG_P2_ULPI_BYPASS, }, { [OMAP3_EHCI_PORT_MODE_NONE] = UHH_HOSTCONFIG_P3_ULPI_BYPASS, [OMAP3_EHCI_PORT_MODE_PHY] = 0, [OMAP3_EHCI_PORT_MODE_TLL] = UHH_HOSTCONFIG_P3_ULPI_BYPASS, [OMAP3_EHCI_PORT_MODE_HSIC] = UHH_HOSTCONFIG_P3_ULPI_BYPASS, }, #endif }; struct omap3_ehci_softc { ehci_softc_t sc; void *sc_ih; bus_space_handle_t sc_ioh_usbtll; bus_size_t sc_usbtll_size; bus_space_handle_t sc_ioh_uhh; bus_size_t sc_uhh_size; uint16_t sc_nports; bool sc_phy_reset; struct { enum omap3_ehci_port_mode mode; int gpio; bool value; bool extclk; } sc_portconfig[3]; struct { uint16_t m, n, m2; } sc_dpll5; }; #ifdef OMAP_3XXX static void omap3_dpll5_init(struct omap3_ehci_softc *); static void omap3_usbhost_init(struct omap3_ehci_softc *, int); #endif #if defined(OMAP4) || defined(OMAP5) static void omap4_usbhost_init(struct omap3_ehci_softc *, int); #endif static void usbtll_reset(struct omap3_ehci_softc *); static void usbtll_power(struct omap3_ehci_softc *, bool); static void usbtll_init(struct omap3_ehci_softc *, int); static void uhh_power(struct omap3_ehci_softc *, bool); static void uhh_portconfig(struct omap3_ehci_softc *); #define USBTLL_READ4(sc, reg) bus_space_read_4((sc)->sc.iot, (sc)->sc_ioh_usbtll, (reg)) #define USBTLL_WRITE4(sc, reg, v) bus_space_write_4((sc)->sc.iot, (sc)->sc_ioh_usbtll, (reg), (v)) #define UHH_READ4(sc, reg) bus_space_read_4((sc)->sc.iot, (sc)->sc_ioh_uhh, (reg)) #define UHH_WRITE4(sc, reg, v) bus_space_write_4((sc)->sc.iot, (sc)->sc_ioh_uhh, (reg), (v)) /* Table 23-55 "EHCI Registers Mapping Summary" */ #define EHCI_INSNREG00 0x90 #define EHCI_INSNREG01 0x94 #define EHCI_INSNREG02 0x98 #define EHCI_INSNREG03 0x9c #define EHCI_INSNREG04 0xa0 #define EHCI_INSNREG05_ULPI 0xa4 #define ULPI_CONTROL (1 << 31) #define ULPI_PORTSEL_SHIFT 24 #define ULPI_PORTSEL_MASK 0xf #define ULPI_OPSEL_SHIFT 22 #define ULPI_OPSEL_MASK 0x3 #define ULPI_OPSEL_WRITE 0x2 #define ULPI_OPSEL_READ 0x3 #define ULPI_REGADD_SHIFT 16 #define ULPI_REGADD_MASK 0x3f #define ULPI_WRDATA_SHIFT 0 #define ULPI_WRDATA_MASK 0xff #define EHCI_INSNREG05_ITMI 0xa4 static void omap3_ehci_phy_reset(struct omap3_ehci_softc *sc, unsigned int port) { uint32_t reg, v; int retry = 1000; reg = ULPI_FUNCTION_CTRL_RESET | (5 << ULPI_REGADD_SHIFT) | (ULPI_OPSEL_WRITE << ULPI_OPSEL_SHIFT) | (((port + 1) & ULPI_PORTSEL_MASK) << ULPI_PORTSEL_SHIFT) | ULPI_CONTROL; EOWRITE4(&sc->sc, EHCI_INSNREG05_ULPI, reg); v = EOREAD4(&sc->sc, EHCI_INSNREG05_ULPI); while (v & (1 << 31) && --retry > 0) { delay(10000); v = EOREAD4(&sc->sc, EHCI_INSNREG05_ULPI); } if (retry == 0) aprint_error_dev(sc->sc.sc_dev, "phy reset timeout, port = %d\n", port); } static void omap3_ehci_find_companions(struct omap3_ehci_softc *sc) { device_t dv; deviter_t di; sc->sc.sc_ncomp = 0; for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL; dv = deviter_next(&di)) { if (device_is_a(dv, "ohci") && device_parent(dv) == device_parent(sc->sc.sc_dev)) { #ifdef OMAP3_EHCI_DEBUG aprint_normal(" adding companion '%s'\n", device_xname(dv)); #endif sc->sc.sc_comps[sc->sc.sc_ncomp++] = dv; } } deviter_release(&di); } static void omap3_ehci_attach1(device_t self) { struct omap3_ehci_softc *sc = device_private(self); int err; for (u_int i = 0; sc->sc_phy_reset && i < sc->sc_nports; i++) { if (sc->sc_portconfig[i].gpio != -1) { if (!omap2_gpio_has_pin(sc->sc_portconfig[i].gpio)) { aprint_error_dev(self, "WARNING: " "gpio pin %d not available\n", sc->sc_portconfig[i].gpio); continue; } omap2_gpio_ctl(sc->sc_portconfig[i].gpio, GPIO_PIN_OUTPUT); omap2_gpio_write(sc->sc_portconfig[i].gpio, !sc->sc_portconfig[i].value); // off delay(10); } } usbtll_power(sc, true); usbtll_init(sc, 3); uhh_power(sc, true); uhh_portconfig(sc); for (u_int i = 0; i < sc->sc_nports; i++) { if (sc->sc_portconfig[i].mode == OMAP3_EHCI_PORT_MODE_PHY) { omap3_ehci_phy_reset(sc, i); } } delay(10); for (u_int i = 0; sc->sc_phy_reset && i < sc->sc_nports; i++) { if (sc->sc_portconfig[i].gpio != -1) { if (!omap2_gpio_has_pin(sc->sc_portconfig[i].gpio)) continue; omap2_gpio_ctl(sc->sc_portconfig[i].gpio, GPIO_PIN_OUTPUT); omap2_gpio_write(sc->sc_portconfig[i].gpio, sc->sc_portconfig[i].value); delay(10); } } omap3_ehci_find_companions(sc); err = ehci_init(&sc->sc); if (err) { aprint_error_dev(self, "init failed, error = %d\n", err); return; } sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint); } static int omap3_ehci_match(device_t parent, cfdata_t match, void *opaque) { #ifdef OMAP3 struct obio_attach_args *obio = opaque; #endif #ifdef OMAP_3XXX if (obio->obio_addr == EHCI1_BASE_OMAP3) return 1; #endif #if defined(OMAP4) || defined(OMAP5) if (obio->obio_addr == EHCI1_BASE_OMAP4) return 1; #endif return 0; } static enum omap3_ehci_port_mode omap3_ehci_get_port_mode(prop_dictionary_t prop, const char *key) { const char *s = NULL; enum omap3_ehci_port_mode mode = OMAP3_EHCI_PORT_MODE_NONE; if (prop_dictionary_get_cstring_nocopy(prop, key, &s) && s != NULL) { if (strcmp(s, "phy") == 0) { mode = OMAP3_EHCI_PORT_MODE_PHY; #ifdef OMAP_3XXX } else if (strcmp(s, "tll") == 0) { mode = OMAP3_EHCI_PORT_MODE_TLL; #endif #if defined(OMAP4) || defined(OMAP5) } else if (strcmp(s, "hsic") == 0) { mode = OMAP3_EHCI_PORT_MODE_HSIC; #endif } else if (strcmp(s, "none") == 0) { mode = OMAP3_EHCI_PORT_MODE_NONE; } else { panic("%s: unknown port mode %s", __func__, s); } } return mode; } static int omap3_ehci_get_port_gpio(prop_dictionary_t prop, const char *key) { int16_t gpio; if (prop_dictionary_get_int16(prop, key, &gpio) == false) gpio = -1; return gpio; } static void omap3_ehci_parse_properties(struct omap3_ehci_softc *sc, prop_dictionary_t prop) { prop_dictionary_get_uint16(prop, "nports", &sc->sc_nports); prop_dictionary_get_bool(prop, "phy-reset", &sc->sc_phy_reset); sc->sc_portconfig[0].mode = omap3_ehci_get_port_mode(prop, "port0-mode"); sc->sc_portconfig[0].gpio = omap3_ehci_get_port_gpio(prop, "port0-gpio"); prop_dictionary_get_bool(prop, "port0-gpioval", &sc->sc_portconfig[0].value); #if defined(OMAP4) || defined(OMAP5) prop_dictionary_get_bool(prop, "port0-extclk", &sc->sc_portconfig[0].extclk); #endif if (sc->sc_nports > 1) { sc->sc_portconfig[1].mode = omap3_ehci_get_port_mode(prop, "port1-mode"); sc->sc_portconfig[1].gpio = omap3_ehci_get_port_gpio(prop, "port1-gpio"); prop_dictionary_get_bool(prop, "port1-gpioval", &sc->sc_portconfig[1].value); #if defined(OMAP4) || defined(OMAP5) prop_dictionary_get_bool(prop, "port1-extclk", &sc->sc_portconfig[1].extclk); #endif } if (sc->sc_nports > 2) { sc->sc_portconfig[2].mode = omap3_ehci_get_port_mode(prop, "port2-mode"); sc->sc_portconfig[2].gpio = omap3_ehci_get_port_gpio(prop, "port2-gpio"); prop_dictionary_get_bool(prop, "port2-gpioval", &sc->sc_portconfig[2].value); #if defined(OMAP4) || defined(OMAP5) prop_dictionary_get_bool(prop, "port2-extclk", &sc->sc_portconfig[2].extclk); #endif } #ifdef OMAP_3XXX prop_dictionary_get_uint16(prop, "dpll5-m", &sc->sc_dpll5.m); prop_dictionary_get_uint16(prop, "dpll5-n", &sc->sc_dpll5.n); prop_dictionary_get_uint16(prop, "dpll5-m2", &sc->sc_dpll5.m2); #endif #ifdef OMAP3_EHCI_DEBUG printf(" GPIO PHY reset: %d\n", sc->sc_phy_reset); printf(" Port #0: mode %d, gpio %d\n", sc->sc_portconfig[0].mode, sc->sc_portconfig[0].gpio); printf(" Port #1: mode %d, gpio %d\n", sc->sc_portconfig[1].mode, sc->sc_portconfig[1].gpio); printf(" Port #2: mode %d, gpio %d\n", sc->sc_portconfig[2].mode, sc->sc_portconfig[2].gpio); #ifdef OMAP_3XXX printf(" DPLL5: m=%d n=%d m2=%d\n", sc->sc_dpll5.m, sc->sc_dpll5.n, sc->sc_dpll5.m2); #endif #endif } static void omap3_ehci_attach(device_t parent, device_t self, void *opaque) { struct omap3_ehci_softc *sc = device_private(self); struct obio_attach_args *obio = opaque; int rv; sc->sc.sc_dev = self; sc->sc.sc_bus.ub_hcpriv = sc; aprint_naive("\n"); aprint_normal(": OMAP USB controller\n"); omap3_ehci_parse_properties(sc, device_properties(self)); sc->sc.iot = obio->obio_iot; rv = bus_space_map(obio->obio_iot, obio->obio_addr, obio->obio_size, 0, &sc->sc.ioh); if (rv) { aprint_error_dev(self, "couldn't map memory space\n"); return; } sc->sc.sc_size = obio->obio_size; rv = bus_space_map(obio->obio_iot, USBTLL_BASE, USBTLL_SIZE, 0, &sc->sc_ioh_usbtll); if (rv) { aprint_error_dev(self, "couldn't map usbtll memory space\n"); return; } sc->sc_usbtll_size = USBTLL_SIZE; rv = bus_space_map(obio->obio_iot, UHH_BASE, UHH_SIZE, 0, &sc->sc_ioh_uhh); if (rv) { aprint_error_dev(self, "couldn't map uhh memory space\n"); return; } sc->sc_uhh_size = UHH_SIZE; sc->sc.sc_bus.ub_dmatag = obio->obio_dmat; sc->sc.sc_bus.ub_revision = USBREV_2_0; sc->sc.sc_id_vendor = PCI_VENDOR_TI; strlcpy(sc->sc.sc_vendor, "OMAP3", sizeof(sc->sc.sc_vendor)); #ifdef OMAP_3XXX omap3_dpll5_init(sc); omap3_usbhost_init(sc, 1); #endif /* OMAP_3XXX */ #if defined(OMAP4) || defined(OMAP5) omap4_usbhost_init(sc, 1); #endif sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH); //EOWRITE4(&sc->sc, EHCI_INSNREG04, 1 << 5); sc->sc_ih = intr_establish(obio->obio_intr, IPL_USB, IST_LEVEL, ehci_intr, &sc->sc); //config_interrupts(self, omap3_ehci_attach1); omap3_ehci_attach1(self); } static int omap3_ehci_detach(device_t self, int flags) { struct omap3_ehci_softc *sc = device_private(self); int rv; rv = ehci_detach(&sc->sc, flags); if (rv) return rv; EOWRITE2(&sc->sc, EHCI_USBINTR, 0); EOREAD2(&sc->sc, EHCI_USBINTR); if (sc->sc_ih) { intr_disestablish(sc->sc_ih); sc->sc_ih = NULL; } usbtll_power(sc, false); if (sc->sc_usbtll_size) { bus_space_unmap(sc->sc.iot, sc->sc_ioh_usbtll, sc->sc_usbtll_size); sc->sc_usbtll_size = 0; } if (sc->sc_uhh_size) { bus_space_unmap(sc->sc.iot, sc->sc_ioh_uhh, sc->sc_uhh_size); sc->sc_uhh_size = 0; } 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; } #ifdef OMAP_3XXX static void omap3_dpll5_init(struct omap3_ehci_softc *sc) { bus_space_tag_t iot = sc->sc.iot; bus_space_handle_t ioh; int err; if (sc->sc_dpll5.m == 0 || sc->sc_dpll5.n == 0 || sc->sc_dpll5.m2 == 0) return; err = bus_space_map(iot, CCR_CM_BASE, CCR_CM_SIZE, 0, &ioh); if (err) panic("%s: cannot map CCR_CM_BASE at %#x, error %d\n", __func__, CCR_CM_BASE, err); /* set the multiplier and divider values for the desired CLKOUT freq */ uint32_t m = sc->sc_dpll5.m; uint32_t n = sc->sc_dpll5.n; /* set the corresponding output dividers */ uint32_t m2 = sc->sc_dpll5.m2; KASSERTMSG(479900000 <= 2 * m * (omap_sys_clk / ((n + 1) * m2)), "m=%u n=%u m2=%u freq=%u", m, n, m2, 2 * m * (omap_sys_clk / ((n + 1) * m2))); KASSERTMSG(2 * m * (omap_sys_clk / ((n + 1) * m2)) <= 480100000, "m=%u n=%u m2=%u freq=%u", m, n, m2, 2 * m * (omap_sys_clk / ((n + 1) * m2))); /* 4.7.6.2 * In the DPLL programming sequence, the DPLL_FREQSEL must be * programmed before the new Multiplier factor M and the Divider * factor N are programmed so that the new value is taken into * account during current DPLL relock. */ bus_space_write_4(iot, ioh, CM_CLKEN2_PLL, (0x4 << 4) | 0x7); bus_space_write_4(iot, ioh, CM_CLKSEL4_PLL, (m << 8) | n); bus_space_write_4(iot, ioh, CM_CLKSEL5_PLL, m2); /* * Put DPLL5 into low power stop mode when the 120MHz clock * is not required (restarted automatically) */ bus_space_write_4(iot, ioh, CM_AUTOIDLE2_PLL, AUTO_PERIPH2_DPLL); bus_space_unmap(iot, ioh, CCR_CM_SIZE); } static void omap3_usbhost_init(struct omap3_ehci_softc *sc, int enable) { bus_space_tag_t iot = sc->sc.iot; bus_space_handle_t ioh; uint32_t r; int err; /* * USBHOST */ err = bus_space_map(iot, USBHOST_CM_BASE, USBHOST_CM_SIZE, 0, &ioh); if (err) panic("%s: cannot map USBHOST_CM_BASE at %#x, error %d\n", __func__, USBHOST_CM_BASE, err); r = bus_space_read_4(iot, ioh, CM_FCLKEN_USBHOST); if (enable) r |= (EN_USBHOST1 | EN_USBHOST2); else r &= ~(EN_USBHOST1 | EN_USBHOST2); bus_space_write_4(iot, ioh, CM_FCLKEN_USBHOST, r); r = bus_space_read_4(iot, ioh, CM_ICLKEN_USBHOST); if (enable) r |= EN_USBHOST; else r &= ~EN_USBHOST; bus_space_write_4(iot, ioh, CM_ICLKEN_USBHOST, r); bus_space_unmap(iot, ioh, USBHOST_CM_SIZE); delay(10000); /* * USBTLL */ err = bus_space_map(iot, CORE_CM_BASE, CORE_CM_SIZE, 0, &ioh); if (err) panic("%s: cannot map CORE_CM_BASE a5 %#x, error %d\n", __func__, CORE_CM_BASE, err); r = bus_space_read_4(iot, ioh, CM_FCLKEN3_CORE); if (enable) r |= EN_USBTLL; else r &= ~EN_USBTLL; bus_space_write_4(iot, ioh, CM_FCLKEN3_CORE, r); r = bus_space_read_4(iot, ioh, CM_ICLKEN3_CORE); if (enable) r |= EN_USBTLL; else r &= ~EN_USBTLL; bus_space_write_4(iot, ioh, CM_ICLKEN3_CORE, r); r = bus_space_read_4(iot, ioh, CM_AUTOIDLE3_CORE); if (enable) r &= ~AUTO_USBTLL; else r |= AUTO_USBTLL; bus_space_write_4(iot, ioh, CM_AUTOIDLE3_CORE, r); bus_space_unmap(iot, ioh, CORE_CM_SIZE); delay(10000); #undef USBHOST_CM_SIZE #undef USBHOST_CM_BASE #undef CORE_CM_SIZE #undef CORE_CM_BASE } #endif /* OMAP_3XXX */ #if defined(OMAP4) || defined(OMAP5) static void omap4_usbhost_init(struct omap3_ehci_softc *sc, int enable) { bus_space_tag_t iot = sc->sc.iot; bus_space_handle_t ioh; uint32_t val; int err __diagused; #ifdef OMAP5 bus_size_t off = OMAP5_CM_L3INIT_CORE; #elif defined(OMAP4) bus_size_t off = OMAP4_CM_L3INIT_CORE; #endif err = bus_space_map(iot, OMAP2_CM_BASE + off, 0x100, 0, &ioh); KASSERT(err == 0); val = bus_space_read_4(iot, ioh, OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL); if (sc->sc_portconfig[0].mode != OMAP3_EHCI_PORT_MODE_NONE) { if (sc->sc_portconfig[0].extclk) val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_CLKSEL_UTMI_P1; else val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_UTMI_P1_CLK; if (sc->sc_portconfig[0].mode == OMAP3_EHCI_PORT_MODE_HSIC) val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_HSIC60M_P1_CLK | OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_HSIC480M_P1_CLK; } if (sc->sc_nports > 1 && sc->sc_portconfig[1].mode != OMAP3_EHCI_PORT_MODE_NONE) { if (sc->sc_portconfig[1].extclk) val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_CLKSEL_UTMI_P2; else val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_UTMI_P2_CLK; if (sc->sc_portconfig[1].mode == OMAP3_EHCI_PORT_MODE_HSIC) val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_HSIC60M_P2_CLK | OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_HSIC480M_P2_CLK; } if (sc->sc_nports > 2 && sc->sc_portconfig[2].mode != OMAP3_EHCI_PORT_MODE_NONE) { val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_UTMI_P3_CLK; if (sc->sc_portconfig[2].mode == OMAP3_EHCI_PORT_MODE_HSIC) val |= OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_HSIC60M_P3_CLK | OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL_OPTFCLKEN_HSIC480M_P3_CLK; } bus_space_write_4(iot, ioh, OMAP4_CM_L3INIT_USB_HOST_HS_CLKCTRL, val); val = bus_space_read_4(iot, ioh, OMAP4_CM_L3INIT_USB_TLL_HS_CLKCTRL); if (sc->sc_portconfig[0].mode != OMAP3_EHCI_PORT_MODE_NONE) val |= OMAP4_CM_L3INIT_USB_TLL_HS_CLKCTRL_USB_CH0_CLK; if (sc->sc_nports > 1 && sc->sc_portconfig[1].mode != OMAP3_EHCI_PORT_MODE_NONE) val |= OMAP4_CM_L3INIT_USB_TLL_HS_CLKCTRL_USB_CH1_CLK; if (sc->sc_nports > 2 && sc->sc_portconfig[2].mode != OMAP3_EHCI_PORT_MODE_NONE) val |= OMAP4_CM_L3INIT_USB_TLL_HS_CLKCTRL_USB_CH2_CLK; bus_space_write_4(iot, ioh, OMAP4_CM_L3INIT_USB_TLL_HS_CLKCTRL, val); bus_space_unmap(iot, ioh, 0x100); } #endif /* OMAP4 || OMAP5 */ static void usbtll_reset(struct omap3_ehci_softc *sc) { uint32_t v; int retry = 5000; USBTLL_WRITE4(sc, USBTLL_SYSCONFIG, USBTLL_SYSCONFIG_SOFTRESET); do { v = USBTLL_READ4(sc, USBTLL_SYSSTATUS); if (v & USBTLL_SYSSTATUS_RESETDONE) break; delay(10); } while (retry-- > 0); if (retry == 0) aprint_error_dev(sc->sc.sc_dev, "reset timeout, status = 0x%08x\n", v); } static void usbtll_power(struct omap3_ehci_softc *sc, bool on) { uint32_t v; usbtll_reset(sc); if (on) { v = USBTLL_SYSCONFIG_ENAWAKEUP | USBTLL_SYSCONFIG_AUTOIDLE | USBTLL_SYSCONFIG_SIDLEMODE | USBTLL_SYSCONFIG_CLOCKACTIVITY; USBTLL_WRITE4(sc, USBTLL_SYSCONFIG, v); } } static void usbtll_init(struct omap3_ehci_softc *sc, int chmask) { uint32_t v; v = USBTLL_READ4(sc, USBTLL_SHARED_CONF); v |= (USBTLL_SHARED_CONF_FCLK_IS_ON | (1 << 2)/*divration*/); v &= ~USBTLL_SHARED_CONF_USB_90D_DDR_EN; v &= ~USBTLL_SHARED_CONF_USB_180D_SDR_EN; USBTLL_WRITE4(sc, USBTLL_SHARED_CONF, v); for (u_int i = 0; i < sc->sc_nports; i++) { if (sc->sc_portconfig[i].mode == OMAP3_EHCI_PORT_MODE_NONE) continue; v = USBTLL_READ4(sc, USBTLL_CHANNEL_CONF(i)); v &= ~(USBTLL_CHANNEL_CONF_ULPINOBITSTUFF| USBTLL_CHANNEL_CONF_ULPIAUTOIDLE| USBTLL_CHANNEL_CONF_ULPIDDRMODE); //v |= USBTLL_CHANNEL_CONF_FSLSMODE; v |= USBTLL_CHANNEL_CONF_CHANEN; USBTLL_WRITE4(sc, USBTLL_CHANNEL_CONF(i), v); } } static void uhh_power(struct omap3_ehci_softc *sc, bool on) { int retry = 5000; uint32_t v; v = UHH_READ4(sc, UHH_REVISION); const int vers = UHH_REVISION_MAJOR(v); if (on) { v = UHH_READ4(sc, UHH_SYSCONFIG); if (vers >= UHH_REVISION_VERS2) { v &= ~UHH4_SYSCONFIG_STANDBYMODE; v |= UHH4_SYSCONFIG_STANDBYMODE_SMARTSTANDBY; v &= ~UHH4_SYSCONFIG_SIDLEMODE; v |= UHH4_SYSCONFIG_SIDLEMODE_SMARTIDLE; } else { v &= ~UHH3_SYSCONFIG_MIDLEMODE_MASK; v |= UHH3_SYSCONFIG_MIDLEMODE_SMARTSTANDBY; v &= ~UHH3_SYSCONFIG_SIDLEMODE_MASK; v |= UHH3_SYSCONFIG_SIDLEMODE_SMARTIDLE; v |= UHH3_SYSCONFIG_CLOCKACTIVITY; v |= UHH3_SYSCONFIG_ENAWAKEUP; v &= ~UHH3_SYSCONFIG_AUTOIDLE; } UHH_WRITE4(sc, UHH_SYSCONFIG, v); v = UHH_READ4(sc, UHH_SYSCONFIG); } else { v = UHH_READ4(sc, UHH_SYSCONFIG); if (vers >= UHH_REVISION_VERS2) { v |= UHH4_SYSCONFIG_SOFTRESET; } else { v |= UHH3_SYSCONFIG_SOFTRESET; } UHH_WRITE4(sc, UHH_SYSCONFIG, v); do { v = UHH_READ4(sc, UHH_SYSSTATUS); if (vers >= UHH_REVISION_VERS2) { if ((v & UHH4_SYSSTATUS_RESETDONE_ALL) == 0) break; } else { if (v & UHH3_SYSSTATUS_RESETDONE_ALL) break; } delay(10); } while (retry-- > 0); if (retry == 0) aprint_error_dev(sc->sc.sc_dev, "reset timeout, status = 0x%08x\n", v); } } static void uhh_portconfig(struct omap3_ehci_softc *sc) { uint32_t v; v = UHH_READ4(sc, UHH_HOSTCONFIG); v |= UHH_HOSTCONFIG_ENA_INCR16; v |= UHH_HOSTCONFIG_ENA_INCR8; v |= UHH_HOSTCONFIG_ENA_INCR4; v |= UHH_HOSTCONFIG_APP_START_CLK; v &= ~UHH_HOSTCONFIG_ENA_INCR_ALIGN; if (sc->sc_portconfig[0].mode == OMAP3_EHCI_PORT_MODE_NONE) v &= ~UHH_HOSTCONFIG_P1_CONNECT_STATUS; if (sc->sc_nports > 1 && sc->sc_portconfig[1].mode == OMAP3_EHCI_PORT_MODE_NONE) v &= ~UHH_HOSTCONFIG_P2_CONNECT_STATUS; if (sc->sc_nports > 2 && sc->sc_portconfig[2].mode == OMAP3_EHCI_PORT_MODE_NONE) v &= ~UHH_HOSTCONFIG_P3_CONNECT_STATUS; v &= ~(UHH_HOSTCONFIG_P1_ULPI_BYPASS|UHH_HOSTCONFIG_P2_ULPI_BYPASS |UHH_HOSTCONFIG_P3_ULPI_BYPASS); v &= ~(UHH_HOSTCONFIG_P1_MODE|UHH_HOSTCONFIG_P2_MODE |UHH_HOSTCONFIG_P3_MODE); v |= uhh_map[0][sc->sc_portconfig[0].mode]; if (sc->sc_nports > 1) { v |= uhh_map[1][sc->sc_portconfig[1].mode]; if (sc->sc_nports > 2) { v |= uhh_map[2][sc->sc_portconfig[2].mode]; } } UHH_WRITE4(sc, UHH_HOSTCONFIG, v); } CFATTACH_DECL2_NEW(omap3_ehci, sizeof(struct omap3_ehci_softc), omap3_ehci_match, omap3_ehci_attach, omap3_ehci_detach, ehci_activate, NULL, ehci_childdet );