Enables support for the on-chip EHCI controller on i.MX23 and
i.MX28 SoCs.
+config USB_EHCI_NPCM
+ bool "Support for Nuvoton NPCM on-chip EHCI USB controller"
+ depends on ARCH_NPCM
+ default n
+ ---help---
+ Enables support for the on-chip EHCI controller on
+ Nuvoton NPCM chips.
+
config USB_EHCI_OMAP
bool "Support for OMAP3+ on-chip EHCI USB controller"
depends on ARCH_OMAP2PLUS
help
Enable support for the da850 USB controller.
+config USB_OHCI_NPCM
+ bool "Support for Nuvoton NPCM on-chip OHCI USB controller"
+ depends on ARCH_NPCM
+ default n
+ ---help---
+ Enables support for the on-chip OHCI controller on
+ Nuvoton NPCM chips.
+
endif # USB_OHCI_HCD
config SYS_USB_OHCI_SLOT_NAME
obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o
obj-$(CONFIG_USB_OHCI_PCI) += ohci-pci.o
obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o
+obj-$(CONFIG_USB_OHCI_NPCM) += ohci-npcm.o
# echi
obj-$(CONFIG_USB_EHCI_HCD) += ehci-hcd.o
obj-$(CONFIG_USB_EHCI_MX5) += ehci-mx5.o
obj-$(CONFIG_USB_EHCI_MX6) += ehci-mx6.o
obj-$(CONFIG_USB_EHCI_MX7) += ehci-mx6.o
+obj-$(CONFIG_USB_EHCI_NPCM) += ehci-npcm.o
obj-$(CONFIG_USB_EHCI_OMAP) += ehci-omap.o
obj-$(CONFIG_USB_EHCI_MARVELL) += ehci-marvell.o
obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021 Nuvoton Technology Corp.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <generic-phy.h>
+#include <reset.h>
+#include <asm/io.h>
+#include <dm/device_compat.h>
+#include <linux/delay.h>
+#include "ehci.h"
+
+struct npcm_ehci_priv {
+ struct ehci_ctrl ctrl;
+ struct ehci_hccr *hcd;
+ struct phy phy;
+};
+
+static int npcm_ehci_setup_phy(struct udevice *dev, struct phy *phy)
+{
+ int ret;
+
+ if (!phy)
+ return 0;
+
+ ret = generic_phy_get_by_index(dev, 0, phy);
+ if (ret) {
+ if (ret != -ENOENT) {
+ dev_err(dev, "failed to get usb phy\n");
+ return ret;
+ }
+ } else {
+ ret = generic_phy_init(phy);
+ if (ret) {
+ dev_err(dev, "failed to init usb phy\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int npcm_ehci_init(struct udevice *dev)
+{
+ struct npcm_ehci_priv *priv = dev_get_priv(dev);
+ struct reset_ctl reset;
+ int ret;
+
+ ret = reset_get_by_index(dev, 0, &reset);
+ if (ret && ret != -ENOENT && ret != -ENOTSUPP) {
+ dev_err(dev, "failed to get reset\n");
+ return ret;
+ }
+
+ /* reset controller */
+ if (reset_valid(&reset))
+ reset_assert(&reset);
+
+ /* setup phy */
+ ret = npcm_ehci_setup_phy(dev, &priv->phy);
+ if (ret)
+ return ret;
+
+ /* release controller from reset */
+ if (reset_valid(&reset))
+ reset_deassert(&reset);
+
+ return 0;
+}
+
+static int npcm_ehci_probe(struct udevice *dev)
+{
+ struct npcm_ehci_priv *priv = dev_get_priv(dev);
+ struct ehci_hcor *hcor;
+ enum usb_init_type type = dev_get_driver_data(dev);
+ int ret;
+
+ ret = npcm_ehci_init(dev);
+ if (ret)
+ return ret;
+
+ priv->hcd = (struct ehci_hccr *)dev_read_addr_ptr(dev);
+ debug("USB HCD @0x%p\n", priv->hcd);
+ hcor = (struct ehci_hcor *)((uintptr_t)priv->hcd +
+ HC_LENGTH(ehci_readl(&priv->hcd->cr_capbase)));
+
+ return ehci_register(dev, priv->hcd, hcor, NULL, 0, type);
+}
+
+static int npcm_ehci_remove(struct udevice *dev)
+{
+ struct npcm_ehci_priv *priv = dev_get_priv(dev);
+
+ generic_phy_exit(&priv->phy);
+
+ return ehci_deregister(dev);
+}
+
+static const struct udevice_id npcm_ehci_ids[] = {
+ { .compatible = "nuvoton,npcm845-ehci", .data = USB_INIT_HOST },
+ { .compatible = "nuvoton,npcm845-udc", .data = USB_INIT_DEVICE },
+ { .compatible = "nuvoton,npcm750-ehci", .data = USB_INIT_HOST },
+ { .compatible = "nuvoton,npcm750-udc", .data = USB_INIT_DEVICE },
+ { }
+};
+
+U_BOOT_DRIVER(ehci_npcm) = {
+ .name = "ehci_npcm",
+ .id = UCLASS_USB,
+ .of_match = npcm_ehci_ids,
+ .probe = npcm_ehci_probe,
+ .remove = npcm_ehci_remove,
+ .ops = &ehci_usb_ops,
+ .priv_auto = sizeof(struct npcm_ehci_priv),
+ .plat_auto = sizeof(struct usb_plat),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021 Nuvoton Technology Corp.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <generic-phy.h>
+#include <reset.h>
+#include <asm/io.h>
+#include <dm/device_compat.h>
+#include <linux/delay.h>
+#include "ohci.h"
+
+struct npcm_ohci_priv {
+ ohci_t ohci;
+ struct phy phy;
+};
+
+static int npcm_ohci_setup_phy(struct udevice *dev, struct phy *phy)
+{
+ int ret;
+
+ if (!phy)
+ return 0;
+
+ ret = generic_phy_get_by_index(dev, 0, phy);
+ if (ret) {
+ if (ret != -ENOENT) {
+ dev_err(dev, "failed to get usb phy\n");
+ return ret;
+ }
+ } else {
+ ret = generic_phy_init(phy);
+ if (ret) {
+ dev_err(dev, "failed to init usb phy\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int npcm_ohci_init(struct udevice *dev)
+{
+ struct npcm_ohci_priv *priv = dev_get_priv(dev);
+ struct reset_ctl reset;
+ int ret;
+
+ ret = reset_get_by_index(dev, 0, &reset);
+ if (ret && ret != -ENOENT && ret != -ENOTSUPP) {
+ dev_err(dev, "failed to get reset\n");
+ return ret;
+ }
+
+ /* reset controller */
+ if (reset_valid(&reset))
+ reset_assert(&reset);
+
+ /* setup phy */
+ ret = npcm_ohci_setup_phy(dev, &priv->phy);
+ if (ret)
+ return ret;
+
+ /* release controller from reset */
+ if (reset_valid(&reset))
+ reset_deassert(&reset);
+
+ return 0;
+}
+
+static int npcm_ohci_probe(struct udevice *dev)
+{
+ struct ohci_regs *regs = dev_read_addr_ptr(dev);
+ int ret;
+
+ ret = npcm_ohci_init(dev);
+ if (ret)
+ return ret;
+
+ return ohci_register(dev, regs);
+}
+
+static int npcm_ohci_remove(struct udevice *dev)
+{
+ struct npcm_ohci_priv *priv = dev_get_priv(dev);
+
+ generic_phy_exit(&priv->phy);
+
+ return ohci_deregister(dev);
+}
+
+static const struct udevice_id npcm_ohci_ids[] = {
+ { .compatible = "nuvoton,npcm845-ohci" },
+ { .compatible = "nuvoton,npcm750-ohci" },
+ { }
+};
+
+U_BOOT_DRIVER(ohci_npcm) = {
+ .name = "ohci_npcm",
+ .id = UCLASS_USB,
+ .of_match = npcm_ohci_ids,
+ .probe = npcm_ohci_probe,
+ .remove = npcm_ohci_remove,
+ .ops = &ohci_usb_ops,
+ .priv_auto = sizeof(struct npcm_ohci_priv),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
projects / u-boot.git / commitdiff
