Add Broadcom / Netgear changes from RAXE 1.0.0.48

[project/bcm63xx/u-boot.git] / drivers / usb / host / ohci-bcmbca.c

diff --git a/drivers/usb/host/ohci-bcmbca.c b/drivers/usb/host/ohci-bcmbca.c
new file mode 100644 (file)
index 0000000..5dd755d
--- /dev/null
+++ b/drivers/usb/host/ohci-bcmbca.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 Broadcom Ltd.
+ */
+
+#include <common.h>
+#include <dm/ofnode.h>
+#include <asm/io.h>
+#include <dm.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+
+#include "ohci.h"
+
+struct bcmbca_ohci {
+       ohci_t ohci;
+};
+
+static int ohci_usb_probe (struct udevice *dev)
+{
+       struct ohci_regs *regs;
+       int ret;
+       struct resource res;
+
+       ret = dev_read_resource_byname (dev, "usb-ohci", &res);
+       if (ret)
+       {
+               dev_err(dev, "can't get usb-ohci register for usb (ret=%d)\n", ret);
+               return ret;
+       }
+
+       regs = devm_ioremap (dev, res.start, resource_size(&res));
+       debug("bcmbca ohci device regs %p\n", regs);
+       
+       ohci_register(dev, regs);
+
+       return 0;
+}
+
+static int ohci_usb_remove(struct udevice *dev)
+{
+       int ret;
+       struct udevice *next_devp = dev;
+       struct udevice *ctrl_dev;
+
+       debug("remove bcmbca-ohci %p seq %d\n", dev, dev->seq);
+
+       ret = ohci_deregister(dev);
+
+       if (ret)
+       {
+               printf("failed to deregister bcmbca ohci seq %d\n", dev->seq);
+               return ret;
+       }
+
+       ret = uclass_find_next_device (&next_devp);
+       if (!ret && !next_devp)
+       {
+               uclass_get_device_by_driver(UCLASS_NOP, DM_GET_DRIVER(ctrl_bcmbca_drv), &ctrl_dev);
+               if (ctrl_dev)
+                       device_remove(ctrl_dev, DM_REMOVE_NORMAL);
+       }
+       return ret;
+}
+
+
+static const struct udevice_id ohci_usb_ids[] = {
+       { .compatible = "brcm,bcmbca-ohci" },
+       { }
+};
+
+U_BOOT_DRIVER(ohci_bcmbca) = {
+       .name   = "ohci-bcmbca",
+       .id     = UCLASS_USB,
+       .of_match = ohci_usb_ids,
+       .probe = ohci_usb_probe,
+       .remove = ohci_usb_remove,
+       .ops    = &ohci_usb_ops,
+       .priv_auto_alloc_size = sizeof(struct bcmbca_ohci),
+       .flags  = DM_FLAG_ALLOC_PRIV_DMA,
+};