add new DM based PCI driver ohci-pci for PCI-based OHCI USB support.
Signed-off-by: Heiko Schocher hs@denx.de ---
drivers/usb/host/Kconfig | 7 +++++ drivers/usb/host/Makefile | 1 + drivers/usb/host/ohci-pci.c | 52 +++++++++++++++++++++++++++++++++++++ 3 files changed, 60 insertions(+) create mode 100644 drivers/usb/host/ohci-pci.c
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index b1188bcbf5..96954d1673 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -235,6 +235,13 @@ config USB_OHCI_HCD based system where you're not sure, the "lspci -v" entry will list the right "prog-if" for your USB controller(s): EHCI, OHCI, or UHCI.
+config USB_OHCI_PCI + bool "Support for PCI-based OHCI USB controller" + depends on DM_USB + default n + help + Enables support for the PCI-based OHCI controller. + if USB_OHCI_HCD
config USB_OHCI_GENERIC diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 6aa574f6f7..dd13528475 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o obj-$(CONFIG_USB_SL811HS) += sl811-hcd.o obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o +obj-$(CONFIG_USB_OHCI_PCI) += ohci-pci.o obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o
# echi diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c new file mode 100644 index 0000000000..4c1c778672 --- /dev/null +++ b/drivers/usb/host/ohci-pci.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <pci.h> +#include <usb.h> +#include <asm/io.h> + +#include "ohci.h" + +static int ohci_pci_probe(struct udevice *dev) +{ + struct ohci_regs *regs; + + regs = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, PCI_REGION_MEM); + return ohci_register(dev, regs); +} + +static int ohci_pci_remove(struct udevice *dev) +{ + return ohci_deregister(dev); +} + +static const struct udevice_id ohci_pci_ids[] = { + { .compatible = "ohci-pci" }, + { } +}; + +U_BOOT_DRIVER(ohci_pci) = { + .name = "ohci_pci", + .id = UCLASS_USB, + .probe = ohci_pci_probe, + .remove = ohci_pci_remove, + .of_match = ohci_pci_ids, + .ops = &ohci_usb_ops, + .platdata_auto_alloc_size = sizeof(struct usb_platdata), + .priv_auto_alloc_size = sizeof(ohci_t), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; + +static struct pci_device_id ohci_pci_supported[] = { + { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0) }, + {}, +}; + +U_BOOT_PCI_DEVICE(ohci_pci, ohci_pci_supported);