Browse Source

usb, ohci, pci: add DM support for PCI-based OHCI USB controller

add new DM based PCI driver ohci-pci for PCI-based
OHCI USB support.

Signed-off-by: Heiko Schocher <hs@denx.de>
Heiko Schocher 4 years ago
parent
commit
991e66017c
3 changed files with 60 additions and 0 deletions
  1. 7 0
      drivers/usb/host/Kconfig
  2. 1 0
      drivers/usb/host/Makefile
  3. 52 0
      drivers/usb/host/ohci-pci.c

+ 7 - 0
drivers/usb/host/Kconfig

@@ -236,6 +236,13 @@ 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

+ 1 - 0
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

+ 52 - 0
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);