void imxehci_reset(struct imxehci_softc *sc) { uint32_t reg; int i; struct ehci_softc *hsc = &sc->sc_hsc; #define RESET_TIMEOUT 100 reg = EOREAD4(hsc, EHCI_USBCMD); reg &= ~EHCI_CMD_RS; EOWRITE4(hsc, EHCI_USBCMD, reg); for (i=0; i < RESET_TIMEOUT; ++i) { reg = EOREAD4(hsc, EHCI_USBCMD); if ((reg & EHCI_CMD_RS) == 0) break; usb_delay_ms(&hsc->sc_bus, 1); } EOWRITE4(hsc, EHCI_USBCMD, reg | EHCI_CMD_HCRESET); for (i = 0; i < RESET_TIMEOUT; i++) { reg = EOREAD4(hsc, EHCI_USBCMD); if ((reg & EHCI_CMD_HCRESET) == 0) break; usb_delay_ms(&hsc->sc_bus, 1); } if (i >= RESET_TIMEOUT) { aprint_error_dev(hsc->sc_dev, "reset timeout (%x)\n", reg); } usb_delay_ms(&hsc->sc_bus, 100); }
static void imxehci_select_interface(struct imxehci_softc *sc, enum imx_usb_if interface) { uint32_t reg; struct ehci_softc *hsc = &sc->sc_hsc; reg = EOREAD4(hsc, EHCI_PORTSC(1)); reg &= ~(PORTSC_PTS | PORTSC_PTW); switch (interface) { case IMXUSBC_IF_UTMI_WIDE: reg |= PORTSC_PTW_16; case IMXUSBC_IF_UTMI: reg |= PORTSC_PTS_UTMI; break; case IMXUSBC_IF_PHILIPS: reg |= PORTSC_PTS_PHILIPS; break; case IMXUSBC_IF_ULPI: reg |= PORTSC_PTS_ULPI; break; case IMXUSBC_IF_SERIAL: reg |= PORTSC_PTS_SERIAL; break; } EOWRITE4(hsc, EHCI_PORTSC(1), reg); }
static void ehci_ps3_post_reset(struct ehci_softc *ehci_softc) { uint32_t usbmode; /* Select big-endian mode */ usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM); usbmode |= EHCI_UM_ES_BE; EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode); }
static void zy7_ehci_post_reset(struct ehci_softc *ehci_softc) { uint32_t usbmode; /* Force HOST mode */ usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM); usbmode &= ~EHCI_UM_CM; usbmode |= EHCI_UM_CM_HOST; EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode); }
static void mvusb_vendor_init(struct ehci_softc *sc) { uint32_t mode; /* put TDI/ARC silicon into EHCI mode */ mode = EOREAD4(sc, MARVELL_USB_EHCI_USBMODE); mode &= ~MARVELL_USB_EHCI_MODE_HDMASK; /* Host/Device Mask */ mode |= MARVELL_USB_EHCI_MODE_HOST; mode |= MARVELL_USB_EHCI_MODE_STRMDIS; EOWRITE4(sc, MARVELL_USB_EHCI_USBMODE, mode); }
static void ehci_ixp_post_reset(struct ehci_softc *ehci_softc) { uint32_t usbmode; /* Force HOST mode, select big-endian mode */ usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM); usbmode &= ~EHCI_UM_CM; usbmode |= EHCI_UM_CM_HOST; usbmode |= EHCI_UM_ES_BE; EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode); }
static void zynqusb_init(struct ehci_softc *hsc) { struct zynqehci_softc *sc = device_private(hsc->sc_dev); uint32_t reg; reg = EOREAD4(hsc, EHCI_PORTSC(1)); reg &= ~(EHCI_PS_CSC | EHCI_PS_PEC | EHCI_PS_OCC); reg |= EHCI_PS_PP | EHCI_PS_PE; EOWRITE4(hsc, EHCI_PORTSC(1), reg); reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ZYNQUSB_OTGSC); reg |= OTGSC_IDPU; reg |= OTGSC_DPIE | OTGSC_IDIE; bus_space_write_4(sc->sc_iot, sc->sc_ioh, ZYNQUSB_OTGSC, reg); reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ZYNQUSB_USBMODE); reg &= ~USBMODE_CM; reg |= USBMODE_CM_HOST; bus_space_write_4(sc->sc_iot, sc->sc_ioh, ZYNQUSB_USBMODE, reg); }
static void imxehci_init(struct ehci_softc *hsc) { struct imxehci_softc *sc = device_private(hsc->sc_dev); uint32_t reg; reg = EOREAD4(hsc, EHCI_PORTSC(1)); reg &= ~(EHCI_PS_CSC | EHCI_PS_PEC | EHCI_PS_OCC); reg |= EHCI_PS_PP | EHCI_PS_PE; EOWRITE4(hsc, EHCI_PORTSC(1), reg); reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, IMXUSB_OTGSC); reg |= OTGSC_IDPU; /* disable IDIE not to conflict with SSP1_DETECT. */ //reg |= OTGSC_DPIE | OTGSC_IDIE; reg |= OTGSC_DPIE; bus_space_write_4(sc->sc_iot, sc->sc_ioh, IMXUSB_OTGSC, reg); reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, IMXUSB_USBMODE); reg &= ~USBMODE_CM; reg |= USBMODE_CM_HOST; bus_space_write_4(sc->sc_iot, sc->sc_ioh, IMXUSB_USBMODE, reg); }
void imxehci_attach(struct device *parent, struct device *self, void *aux) { struct imxehci_softc *sc = (struct imxehci_softc *)self; struct armv7_attach_args *aa = aux; usbd_status r; char *devname = sc->sc.sc_bus.bdev.dv_xname; sc->sc.iot = aa->aa_iot; sc->sc.sc_bus.dmatag = aa->aa_dmat; sc->sc.sc_size = aa->aa_dev->mem[0].size; /* Map I/O space */ if (bus_space_map(sc->sc.iot, aa->aa_dev->mem[0].addr, aa->aa_dev->mem[0].size, 0, &sc->sc.ioh)) { printf(": cannot map mem space\n"); goto out; } if (bus_space_map(sc->sc.iot, aa->aa_dev->mem[1].addr, aa->aa_dev->mem[1].size, 0, &sc->uh_ioh)) { printf(": cannot map mem space\n"); goto mem0; } if (bus_space_map(sc->sc.iot, aa->aa_dev->mem[2].addr, aa->aa_dev->mem[2].size, 0, &sc->ph_ioh)) { printf(": cannot map mem space\n"); goto mem1; } if (bus_space_map(sc->sc.iot, aa->aa_dev->mem[3].addr, aa->aa_dev->mem[3].size, 0, &sc->nc_ioh)) { printf(": cannot map mem space\n"); goto mem2; } printf("\n"); imxccm_enable_usboh3(); delay(1000); if (aa->aa_dev->mem[0].addr == USBUH1_EHCI_ADDR) { /* enable usb port power */ switch (board_id) { case BOARD_ID_IMX6_PHYFLEX: imxgpio_set_dir(EHCI_PHYFLEX_USB_H1_PWR, IMXGPIO_DIR_OUT); delay(10); imxgpio_set_bit(EHCI_PHYFLEX_USB_H1_PWR); delay(10); break; case BOARD_ID_IMX6_CUBOXI: case BOARD_ID_IMX6_HUMMINGBOARD: imxgpio_set_bit(EHCI_HUMMINGBOARD_USB_H1_PWR); imxgpio_set_dir(EHCI_HUMMINGBOARD_USB_H1_PWR, IMXGPIO_DIR_OUT); delay(10); break; case BOARD_ID_IMX6_SABRELITE: imxgpio_clear_bit(EHCI_NITROGEN6X_USB_HUB_RST); imxgpio_set_dir(EHCI_NITROGEN6X_USB_HUB_RST, IMXGPIO_DIR_OUT); delay(1000 * 2); imxgpio_set_bit(EHCI_NITROGEN6X_USB_HUB_RST); delay(10); break; case BOARD_ID_IMX6_SABRESD: imxgpio_set_bit(EHCI_SABRESD_USB_PWR); imxgpio_set_dir(EHCI_SABRESD_USB_PWR, IMXGPIO_DIR_OUT); delay(10); break; case BOARD_ID_IMX6_UTILITE: imxgpio_clear_bit(EHCI_UTILITE_USB_HUB_RST); imxgpio_set_dir(EHCI_UTILITE_USB_HUB_RST, IMXGPIO_DIR_OUT); delay(10); imxgpio_set_bit(EHCI_UTILITE_USB_HUB_RST); delay(1000); break; } /* disable the carger detection, else signal on DP will be poor */ imxccm_disable_usb2_chrg_detect(); /* power host 1 */ imxccm_enable_pll_usb2(); /* over current and polarity setting */ 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)); } else if (aa->aa_dev->mem[0].addr == USBOTG_EHCI_ADDR) { /* enable usb port power */ switch (board_id) { case BOARD_ID_IMX6_CUBOXI: case BOARD_ID_IMX6_HUMMINGBOARD: imxgpio_set_dir(EHCI_HUMMINGBOARD_USB_OTG_PWR, IMXGPIO_DIR_OUT); imxgpio_set_bit(EHCI_HUMMINGBOARD_USB_OTG_PWR); delay(10); break; } /* disable the carger detection, else signal on DP will be poor */ imxccm_disable_usb1_chrg_detect(); /* power host 0 */ imxccm_enable_pll_usb1(); /* over current and polarity setting */ 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)); } bus_space_write_4(sc->sc.iot, sc->ph_ioh, USBPHY_CTRL_CLR, USBPHY_CTRL_CLKGATE); /* 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) ; /* 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); /* set host mode */ EWRITE4(&sc->sc, EHCI_USBMODE, EREAD4(&sc->sc, EHCI_USBMODE) | EHCI_USBMODE_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(aa->aa_dev->irq[0], IPL_USB, ehci_intr, &sc->sc, devname); if (sc->sc_ih == NULL) { printf(": unable to establish interrupt\n"); goto mem3; } strlcpy(sc->sc.sc_vendor, "i.MX6", 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; mem3: bus_space_unmap(sc->sc.iot, sc->nc_ioh, aa->aa_dev->mem[3].addr); mem2: bus_space_unmap(sc->sc.iot, sc->ph_ioh, aa->aa_dev->mem[2].addr); mem1: bus_space_unmap(sc->sc.iot, sc->uh_ioh, aa->aa_dev->mem[1].addr); mem0: bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size); sc->sc.sc_size = 0; out: return; }
void imxehci_attach(struct device *parent, struct device *self, void *aux) { struct imxehci_softc *sc = (struct imxehci_softc *)self; struct ehci_softc *esc; struct armv7_attach_args *aa = aux; struct fdt_memory hmem, pmem, mmem; int irq, r; sc->iot = aa->aa_iot; sc->sc_dmat = aa->aa_dmat; if (aa->aa_node) { uint32_t ints[3]; void *node; if (fdt_get_memory_address(aa->aa_node, 0, &hmem)) panic("%s: could not extract memory data from FDT", __func__); node = fdt_find_node_by_phandle_prop(aa->aa_node, "fsl,usbphy"); if (node == NULL || fdt_get_memory_address(node, 0, &pmem)) panic("%s: could not extract phy data from FDT", __func__); node = fdt_find_node_by_phandle_prop(aa->aa_node, "fsl,usbmisc"); if (node == NULL || fdt_get_memory_address(node, 0, &mmem)) panic("%s: could not extract phy data from FDT", __func__); /* TODO: Add interrupt FDT API. */ if (fdt_node_property_ints(aa->aa_node, "interrupts", ints, 3) != 3) panic("%s: could not extract interrupt data from FDT", __func__); irq = ints[1]; } else { hmem.addr = aa->aa_dev->mem[0].addr; hmem.size = aa->aa_dev->mem[0].size; pmem.addr = aa->aa_dev->mem[1].addr; pmem.size = aa->aa_dev->mem[1].size; mmem.addr = aa->aa_dev->mem[2].addr; mmem.size = aa->aa_dev->mem[2].size; irq = aa->aa_dev->irq[0]; } /* Map I/O space */ if (bus_space_map(sc->iot, hmem.addr, hmem.size, 0, &sc->uh_ioh)) { printf(": cannot map mem space\n"); goto hmem; } sc->ioh = sc->uh_ioh + 0x100; sc->sc_size = hmem.size; if (bus_space_map(sc->iot, pmem.addr, pmem.size, 0, &sc->ph_ioh)) { printf(": cannot map mem space\n"); goto pmem; } if (bus_space_map(sc->iot, mmem.addr, mmem.size, 0, &sc->nc_ioh)) { printf(": cannot map mem space\n"); goto mmem; } clk_enable(clk_get("usboh3")); delay(1000); if (hmem.addr == USBUH1_ADDR) { /* enable usb port power */ switch (board_id) { case BOARD_ID_IMX6_CUBOXI: case BOARD_ID_IMX6_HUMMINGBOARD: imxgpio_set_bit(EHCI_HUMMINGBOARD_USB_H1_PWR); imxgpio_set_dir(EHCI_HUMMINGBOARD_USB_H1_PWR, IMXGPIO_DIR_OUT); delay(10); break; case BOARD_ID_IMX6_SABRELITE: imxgpio_clear_bit(EHCI_NITROGEN6X_USB_HUB_RST); imxgpio_set_dir(EHCI_NITROGEN6X_USB_HUB_RST, IMXGPIO_DIR_OUT); delay(1000 * 2); imxgpio_set_bit(EHCI_NITROGEN6X_USB_HUB_RST); delay(10); break; case BOARD_ID_IMX6_SABRESD: imxgpio_set_bit(EHCI_SABRESD_USB_PWR); imxgpio_set_dir(EHCI_SABRESD_USB_PWR, IMXGPIO_DIR_OUT); delay(10); break; case BOARD_ID_IMX6_UTILITE: imxgpio_clear_bit(EHCI_UTILITE_USB_HUB_RST); imxgpio_set_dir(EHCI_UTILITE_USB_HUB_RST, IMXGPIO_DIR_OUT); delay(10); imxgpio_set_bit(EHCI_UTILITE_USB_HUB_RST); delay(1000); break; } /* disable the carger detection, else signal on DP will be poor */ imxccm_disable_usb2_chrg_detect(); /* power host 1 */ clk_enable(clk_get("pll7_usb_host")); clk_enable(clk_get("usbphy2_gate")); /* over current and polarity setting */ bus_space_write_4(sc->iot, sc->nc_ioh, USBNC_USB_UH1_CTRL, bus_space_read_4(sc->iot, sc->nc_ioh, USBNC_USB_UH1_CTRL) | (USBNC_USB_UH1_CTRL_OVER_CUR_POL | USBNC_USB_UH1_CTRL_OVER_CUR_DIS)); } else if (hmem.addr == USBOTG_ADDR) { /* enable usb port power */ switch (board_id) { case BOARD_ID_IMX6_CUBOXI: case BOARD_ID_IMX6_HUMMINGBOARD: imxgpio_set_bit(EHCI_HUMMINGBOARD_USB_OTG_PWR); imxgpio_set_dir(EHCI_HUMMINGBOARD_USB_OTG_PWR, IMXGPIO_DIR_OUT); delay(10); break; } /* disable the carger detection, else signal on DP will be poor */ imxccm_disable_usb1_chrg_detect(); /* power host 0 */ clk_enable(clk_get("pll3_usb_otg")); clk_enable(clk_get("usbphy1_gate")); /* over current and polarity setting */ bus_space_write_4(sc->iot, sc->nc_ioh, USBNC_USB_OTG_CTRL, bus_space_read_4(sc->iot, sc->nc_ioh, USBNC_USB_OTG_CTRL) | (USBNC_USB_OTG_CTRL_OVER_CUR_POL | USBNC_USB_OTG_CTRL_OVER_CUR_DIS)); } bus_space_write_4(sc->iot, sc->ph_ioh, USBPHY_CTRL_CLR, USBPHY_CTRL_CLKGATE); /* Disable interrupts, so we don't get any spurious ones. */ sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH); EOWRITE2(sc, EHCI_USBINTR, 0); /* Stop then Reset */ uint32_t val = EOREAD4(sc, EHCI_USBCMD); val &= ~EHCI_CMD_RS; EOWRITE4(sc, EHCI_USBCMD, val); while (EOREAD4(sc, EHCI_USBCMD) & EHCI_CMD_RS) ; val = EOREAD4(sc, EHCI_USBCMD); val |= EHCI_CMD_HCRESET; EOWRITE4(sc, EHCI_USBCMD, val); while (EOREAD4(sc, EHCI_USBCMD) & EHCI_CMD_HCRESET) ; /* Reset USBPHY module */ bus_space_write_4(sc->iot, sc->ph_ioh, USBPHY_CTRL_SET, USBPHY_CTRL_SFTRST); delay(10); /* Remove CLKGATE and SFTRST */ bus_space_write_4(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->iot, sc->ph_ioh, USBPHY_PWD, 0); /* enable FS/LS device */ bus_space_write_4(sc->iot, sc->ph_ioh, USBPHY_CTRL_SET, USBPHY_CTRL_ENUTMILEVEL2 | USBPHY_CTRL_ENUTMILEVEL3); /* set host mode */ EWRITE4(sc, EHCI_USBMODE, EREAD4(sc, EHCI_USBMODE) | EHCI_USBMODE_HOST); /* set to UTMI mode */ EOWRITE4(sc, EHCI_PORTSC(1), EOREAD4(sc, EHCI_PORTSC(1)) & ~EHCI_PS_PTS_UTMI_MASK); printf("\n"); if ((esc = (struct ehci_softc *)config_found(self, NULL, NULL)) == NULL) goto mmem; esc->iot = sc->iot; esc->ioh = sc->ioh; esc->sc_bus.dmatag = sc->sc_dmat; esc->sc_offs = sc->sc_offs; sc->sc_ih = arm_intr_establish(irq, IPL_USB, ehci_intr, esc, esc->sc_bus.bdev.dv_xname); if (sc->sc_ih == NULL) { printf(": unable to establish interrupt\n"); return; } strlcpy(esc->sc_vendor, "i.MX6", sizeof(esc->sc_vendor)); r = ehci_init(esc); if (r != USBD_NORMAL_COMPLETION) { printf("%s: init failed, error=%d\n", esc->sc_bus.bdev.dv_xname, r); goto intr; } printf("\n"); config_found((struct device *)esc, &esc->sc_bus, usbctlprint); goto out; intr: arm_intr_disestablish(sc->sc_ih); sc->sc_ih = NULL; mmem: bus_space_unmap(sc->iot, sc->nc_ioh, mmem.size); pmem: bus_space_unmap(sc->iot, sc->ph_ioh, pmem.size); hmem: bus_space_unmap(sc->iot, sc->uh_ioh, sc->sc_size); sc->sc_size = 0; out: return; }