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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
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*
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* Derived from linux/arch/mips/bcm63xx/usb-common.c:
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* Copyright 2008 Maxime Bizon <mbizon@freebox.fr>
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* Copyright 2013 Florian Fainelli <florian@openwrt.org>
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*/
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#include <common.h>
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#include <dm.h>
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#include <generic-phy.h>
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#include <log.h>
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#include <malloc.h>
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#include <reset.h>
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#include <asm/io.h>
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#include <dm/device.h>
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#include <linux/bitops.h>
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/* USBH Swap Control register */
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#define USBH_SWAP_REG 0x00
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#define USBH_SWAP_OHCI_DATA BIT(0)
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#define USBH_SWAP_OHCI_ENDIAN BIT(1)
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#define USBH_SWAP_EHCI_DATA BIT(3)
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#define USBH_SWAP_EHCI_ENDIAN BIT(4)
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/* USBH Test register */
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#define USBH_TEST_REG 0x24
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#define USBH_TEST_PORT_CTL 0x1c0020
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struct bcm6358_usbh_priv {
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void __iomem *regs;
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};
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static int bcm6358_usbh_init(struct phy *phy)
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{
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struct bcm6358_usbh_priv *priv = dev_get_priv(phy->dev);
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/* configure to work in native cpu endian */
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clrsetbits_be32(priv->regs + USBH_SWAP_REG,
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USBH_SWAP_EHCI_ENDIAN | USBH_SWAP_OHCI_ENDIAN,
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USBH_SWAP_EHCI_DATA | USBH_SWAP_OHCI_DATA);
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/* test port control */
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writel_be(USBH_TEST_PORT_CTL, priv->regs + USBH_TEST_REG);
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return 0;
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}
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static struct phy_ops bcm6358_usbh_ops = {
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.init = bcm6358_usbh_init,
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};
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static const struct udevice_id bcm6358_usbh_ids[] = {
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{ .compatible = "brcm,bcm6358-usbh" },
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{ /* sentinel */ }
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};
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static int bcm6358_usbh_probe(struct udevice *dev)
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{
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struct bcm6358_usbh_priv *priv = dev_get_priv(dev);
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struct reset_ctl rst_ctl;
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int ret;
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priv->regs = dev_remap_addr(dev);
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if (!priv->regs)
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return -EINVAL;
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/* perform reset */
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ret = reset_get_by_index(dev, 0, &rst_ctl);
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if (ret < 0)
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return ret;
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ret = reset_deassert(&rst_ctl);
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if (ret < 0)
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return ret;
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ret = reset_free(&rst_ctl);
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if (ret < 0)
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return ret;
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return 0;
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}
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U_BOOT_DRIVER(bcm6358_usbh) = {
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.name = "bcm6358-usbh",
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.id = UCLASS_PHY,
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.of_match = bcm6358_usbh_ids,
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.ops = &bcm6358_usbh_ops,
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.priv_auto = sizeof(struct bcm6358_usbh_priv),
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.probe = bcm6358_usbh_probe,
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};
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