diff options
| -rw-r--r-- | arch/arm/include/asm/ehci-omap.h | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-omap.c | 123 |
2 files changed, 122 insertions, 3 deletions
diff --git a/arch/arm/include/asm/ehci-omap.h b/arch/arm/include/asm/ehci-omap.h index 1549f7bf21..f970bba937 100644 --- a/arch/arm/include/asm/ehci-omap.h +++ b/arch/arm/include/asm/ehci-omap.h @@ -123,6 +123,7 @@ struct omap_ehci { u32 insreg08; /* 0xb0 */ }; +#if !CONFIG_IS_ENABLED(DM_USB) || !CONFIG_IS_ENABLED(OF_CONTROL) /* * FIXME: forward declaration of this structs needed because omap got the * ehci implementation backwards. move out ehci_hcd_x from board files @@ -133,5 +134,6 @@ struct ehci_hcor; int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata, struct ehci_hccr **hccr, struct ehci_hcor **hcor); int omap_ehci_hcd_stop(void); +#endif #endif /* _OMAP_COMMON_EHCI_H_ */ diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 5fee537140..93ab83941d 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -20,6 +20,10 @@ #include <asm/gpio.h> #include <asm/arch/ehci.h> #include <asm/ehci-omap.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <power/regulator.h> #include "ehci.h" @@ -179,9 +183,17 @@ int omap_ehci_hcd_stop(void) * Based on "drivers/usb/host/ehci-omap.c" from Linux 3.1 * See there for additional Copyrights. */ +#if !CONFIG_IS_ENABLED(DM_USB) || !CONFIG_IS_ENABLED(OF_CONTROL) + int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { + *hccr = (struct ehci_hccr *)(OMAP_EHCI_BASE); + *hcor = (struct ehci_hcor *)(OMAP_EHCI_BASE + 0x10); +#else +int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata) +{ +#endif int ret; unsigned int i, reg = 0, rev = 0; @@ -288,9 +300,114 @@ int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata, if (is_ehci_phy_mode(usbhs_pdata->port_mode[i])) omap_ehci_soft_phy_reset(i); - *hccr = (struct ehci_hccr *)(OMAP_EHCI_BASE); - *hcor = (struct ehci_hcor *)(OMAP_EHCI_BASE + 0x10); - debug("OMAP EHCI init done\n"); return 0; } + +#if CONFIG_IS_ENABLED(DM_USB) + +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +static void omap_usbhs_set_mode(u8 index, const char *mode) +{ + if (!strcmp(mode, "ehci-phy")) + usbhs_bdata.port_mode[index] = OMAP_EHCI_PORT_MODE_PHY; + else if (!strcmp(mode, "ehci-tll")) + usbhs_bdata.port_mode[index] = OMAP_EHCI_PORT_MODE_TLL; + else if (!strcmp(mode, "ehci-hsic")) + usbhs_bdata.port_mode[index] = OMAP_EHCI_PORT_MODE_HSIC; +} + +static int omap_usbhs_probe(struct udevice *dev) +{ + u8 i; + const char *mode; + char prop[11]; + + /* Go through each port portX-mode to determing phy mode */ + for (i = 0; i < OMAP_HS_USB_PORTS; i++) { + snprintf(prop, sizeof(prop), "port%d-mode", i + 1); + mode = dev_read_string(dev, prop); + + /* If the portX-mode exists, set the mode */ + if (mode) + omap_usbhs_set_mode(i, mode); + } + + return omap_ehci_hcd_init(0, &usbhs_bdata); +} + +static const struct udevice_id omap_usbhs_dt_ids[] = { + { .compatible = "ti,usbhs-host" }, + { } +}; + +U_BOOT_DRIVER(usb_omaphs_host) = { + .name = "usbhs-host", + .id = UCLASS_SIMPLE_BUS, + .of_match = omap_usbhs_dt_ids, + .probe = omap_usbhs_probe, + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; + +struct ehci_omap_priv_data { + struct ehci_ctrl ctrl; + struct omap_ehci *ehci; +#ifdef CONFIG_DM_REGULATOR + struct udevice *vbus_supply; +#endif + enum usb_init_type init_type; + int portnr; + struct phy phy[OMAP_HS_USB_PORTS]; + int nports; +}; + +static int ehci_usb_ofdata_to_platdata(struct udevice *dev) +{ + struct usb_platdata *plat = dev_get_platdata(dev); + + plat->init_type = USB_INIT_HOST; + + return 0; +} + +static int omap_ehci_probe(struct udevice *dev) +{ + struct usb_platdata *plat = dev_get_platdata(dev); + struct ehci_omap_priv_data *priv = dev_get_priv(dev); + struct ehci_hccr *hccr; + struct ehci_hcor *hcor; + + priv->ehci = (struct omap_ehci *)devfdt_get_addr(dev); + priv->portnr = dev->seq; + priv->init_type = plat->init_type; + + hccr = (struct ehci_hccr *)&priv->ehci->hccapbase; + hcor = (struct ehci_hcor *)&priv->ehci->usbcmd; + + return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST); +} + +static const struct udevice_id omap_ehci_dt_ids[] = { + { .compatible = "ti,ehci-omap" }, + { } +}; + +U_BOOT_DRIVER(usb_omap_ehci) = { + .name = "omap-ehci", + .id = UCLASS_USB, + .of_match = omap_ehci_dt_ids, + .probe = omap_ehci_probe, + .ofdata_to_platdata = ehci_usb_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct usb_platdata), + .priv_auto_alloc_size = sizeof(struct ehci_omap_priv_data), + .remove = ehci_deregister, + .ops = &ehci_usb_ops, + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; + +#endif |