diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mvebu.c | 96 |
3 files changed, 106 insertions, 0 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 61e13d76e6..b9c5fbe381 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -21,6 +21,15 @@ config USB_XHCI_DWC3 Say Y or if your system has a Dual Role SuperSpeed USB controller based on the DesignWare USB3 IP Core. +config USB_XHCI_MVEBU + bool "MVEBU USB 3.0 support" + default y + depends on ARCH_MVEBU + help + Choose this option to add support for USB 3.0 driver on mvebu + SoCs, which includes Armada8K, Armada3700 and other Armada + family SoCs. + config USB_XHCI_ROCKCHIP bool "Support for Rockchip on-chip xHCI USB controller" depends on ARCH_ROCKCHIP diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index de253284fb..58c0cf54c2 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_USB_XHCI_ZYNQMP) += xhci-zynqmp.o obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o obj-$(CONFIG_USB_XHCI_FSL) += xhci-fsl.o +obj-$(CONFIG_USB_XHCI_MVEBU) += xhci-mvebu.o obj-$(CONFIG_USB_XHCI_OMAP) += xhci-omap.o obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c new file mode 100644 index 0000000000..e09e87ac91 --- /dev/null +++ b/drivers/usb/host/xhci-mvebu.c @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2015 Marvell International Ltd. + * + * MVEBU USB HOST xHCI Controller + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <fdtdec.h> +#include <usb.h> +#include <asm/gpio.h> + +#include "xhci.h" + +DECLARE_GLOBAL_DATA_PTR; + +struct mvebu_xhci_platdata { + fdt_addr_t hcd_base; +}; + +/** + * Contains pointers to register base addresses + * for the usb controller. + */ +struct mvebu_xhci { + struct xhci_ctrl ctrl; /* Needs to come first in this struct! */ + struct usb_platdata usb_plat; + struct xhci_hccr *hcd; +}; + +/* + * Dummy implementation that can be overwritten by a board + * specific function + */ +__weak int board_xhci_enable(void) +{ + return 0; +} + +static int xhci_usb_probe(struct udevice *dev) +{ + struct mvebu_xhci_platdata *plat = dev_get_platdata(dev); + struct mvebu_xhci *ctx = dev_get_priv(dev); + struct xhci_hcor *hcor; + int len; + + ctx->hcd = (struct xhci_hccr *)plat->hcd_base; + len = HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase)); + hcor = (struct xhci_hcor *)((uintptr_t)ctx->hcd + len); + + /* Enable USB xHCI (VBUS, reset etc) in board specific code */ + board_xhci_enable(); + + return xhci_register(dev, ctx->hcd, hcor); +} + +static int xhci_usb_remove(struct udevice *dev) +{ + return xhci_deregister(dev); +} + +static int xhci_usb_ofdata_to_platdata(struct udevice *dev) +{ + struct mvebu_xhci_platdata *plat = dev_get_platdata(dev); + + /* + * Get the base address for XHCI controller from the device node + */ + plat->hcd_base = dev_get_addr(dev); + if (plat->hcd_base == FDT_ADDR_T_NONE) { + debug("Can't get the XHCI register base address\n"); + return -ENXIO; + } + + return 0; +} + +static const struct udevice_id xhci_usb_ids[] = { + { .compatible = "marvell,armada3700-xhci" }, + { } +}; + +U_BOOT_DRIVER(usb_xhci) = { + .name = "xhci_mvebu", + .id = UCLASS_USB, + .of_match = xhci_usb_ids, + .ofdata_to_platdata = xhci_usb_ofdata_to_platdata, + .probe = xhci_usb_probe, + .remove = xhci_usb_remove, + .ops = &xhci_usb_ops, + .platdata_auto_alloc_size = sizeof(struct mvebu_xhci_platdata), + .priv_auto_alloc_size = sizeof(struct mvebu_xhci), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; |