void
imxenet_attach(struct device *parent, struct device *self, void *args)
{
struct armv7_attach_args *aa = args;
struct imxenet_softc *sc = (struct imxenet_softc *) self;
struct mii_data *mii;
struct ifnet *ifp;
int tsize, rsize, tbsize, rbsize, s;
sc->sc_iot = aa->aa_iot;
if (bus_space_map(sc->sc_iot, aa->aa_dev->mem[0].addr,
aa->aa_dev->mem[0].size, 0, &sc->sc_ioh))
panic("imxenet_attach: bus_space_map failed!");
sc->sc_dma_tag = aa->aa_dmat;
/* power it up */
clk_enable(clk_get("enet_ref"));
clk_enable(clk_get("enet"));
switch (board_id)
{
case BOARD_ID_IMX6_HUMMINGBOARD:
imxgpio_set_dir(ENET_HUMMINGBOARD_PHY_RST, IMXGPIO_DIR_OUT);
delay(10);
imxgpio_set_bit(ENET_HUMMINGBOARD_PHY_RST);
delay(10);
break;
case BOARD_ID_IMX6_SABRELITE:
/* SABRE Lite PHY reset */
imxgpio_set_dir(ENET_SABRELITE_PHY_RST, IMXGPIO_DIR_OUT);
delay(10);
imxgpio_set_bit(ENET_SABRELITE_PHY_RST);
delay(10);
break;
case BOARD_ID_IMX6_UDOO:
// UDOO PHY reset
imxgpio_set_dir(ENET_UDOO_PHY_RST, IMXGPIO_DIR_OUT);
delay(10);
imxgpio_set_bit(ENET_UDOO_PHY_RST);
delay(10);
break;
}
/* reset the controller */
HWRITE4(sc, ENET_ECR, ENET_ECR_RESET);
while(HREAD4(sc, ENET_ECR) & ENET_ECR_RESET);
HWRITE4(sc, ENET_EIMR, 0);
HWRITE4(sc, ENET_EIR, 0xffffffff);
sc->sc_ih = arm_intr_establish(aa->aa_dev->irq[0], IPL_NET,
imxenet_intr, sc, sc->sc_dev.dv_xname);
tsize = ENET_MAX_TXD * sizeof(struct imxenet_buf_desc);
tsize = ENET_ROUNDUP(tsize, PAGE_SIZE);
if (imxenet_dma_malloc(sc, tsize, &sc->txdma)) {
printf("%s: Unable to allocate tx_desc memory\n",
sc->sc_dev.dv_xname);
goto bad;
}
sc->tx_desc_base = (struct imxenet_buf_desc *)sc->txdma.dma_vaddr;
rsize = ENET_MAX_RXD * sizeof(struct imxenet_buf_desc);
rsize = ENET_ROUNDUP(rsize, PAGE_SIZE);
if (imxenet_dma_malloc(sc, rsize, &sc->rxdma)) {
printf("%s: Unable to allocate rx_desc memory\n",
sc->sc_dev.dv_xname);
goto txdma;
}
sc->rx_desc_base = (struct imxenet_buf_desc *)sc->rxdma.dma_vaddr;
tbsize = ENET_MAX_TXD * ENET_MAX_PKT_SIZE;
tbsize = ENET_ROUNDUP(tbsize, PAGE_SIZE);
if (imxenet_dma_malloc(sc, tbsize, &sc->tbdma)) {
printf("%s: Unable to allocate tx_buffer memory\n",
sc->sc_dev.dv_xname);
goto rxdma;
}
sc->tx_buffer_base = (struct imxenet_buffer *)sc->tbdma.dma_vaddr;
rbsize = ENET_MAX_RXD * ENET_MAX_PKT_SIZE;
rbsize = ENET_ROUNDUP(rbsize, PAGE_SIZE);
if (imxenet_dma_malloc(sc, rbsize, &sc->rbdma)) {
printf("%s: Unable to allocate rx_buffer memory\n",
sc->sc_dev.dv_xname);
goto tbdma;
}
sc->rx_buffer_base = (struct imxenet_buffer *)sc->rbdma.dma_vaddr;
sc->cur_tx = 0;
sc->cur_rx = 0;
printf("\n");
s = splnet();
ifp = &sc->sc_ac.ac_if;
ifp->if_softc = sc;
strlcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = imxenet_ioctl;
ifp->if_start = imxenet_start;
ifp->if_capabilities = IFCAP_VLAN_MTU;
memset(sc->sc_ac.ac_enaddr, 0xff, ETHER_ADDR_LEN);
imxocotp_get_ethernet_address(sc->sc_ac.ac_enaddr);
printf("%s: address %s\n", sc->sc_dev.dv_xname,
ether_sprintf(sc->sc_ac.ac_enaddr));
/* initialize the chip */
imxenet_chip_init(sc);
IFQ_SET_READY(&ifp->if_snd);
/* Initialize MII/media info. */
mii = &sc->sc_mii;
mii->mii_ifp = ifp;
mii->mii_readreg = imxenet_miibus_readreg;
mii->mii_writereg = imxenet_miibus_writereg;
mii->mii_statchg = imxenet_miibus_statchg;
mii->mii_flags = MIIF_AUTOTSLEEP;
ifmedia_init(&mii->mii_media, 0, imxenet_ifmedia_upd, imxenet_ifmedia_sts);
mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0);
if (LIST_FIRST(&mii->mii_phys) == NULL) {
ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL);
ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE);
} else
ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO);
if_attach(ifp);
ether_ifattach(ifp);
splx(s);
imxenet_sc = sc;
return;
tbdma:
imxenet_dma_free(sc, &sc->tbdma);
rxdma:
imxenet_dma_free(sc, &sc->rxdma);
txdma:
imxenet_dma_free(sc, &sc->txdma);
bad:
bus_space_unmap(sc->sc_iot, sc->sc_ioh, aa->aa_dev->mem[0].size);
}
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;
}
