uboot-phytec

// SPDX-License-Identifier: GPL-2.0+

/*

 * (C) Copyright 2009, 2011 Freescale Semiconductor, Inc.

 *

 * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB

 *

 * Author: Tor Krill tor@excito.com

 */

​

#include <common.h>

#include <usb.h>

#include <asm/io.h>

#include <hwconfig.h>

#include <fsl_errata.h>

#include <fsl_usb.h>

#include <fdt_support.h>

​

#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT

#define CONFIG_USB_MAX_CONTROLLER_COUNT 1

#endif

​

/* USB Controllers */

#define FSL_USB2_MPH    "fsl-usb2-mph"

#define FSL_USB2_DR "fsl-usb2-dr"

#define CHIPIDEA_USB2   "chipidea,usb2"

#define SNPS_DWC3   "snps,dwc3"

​

static const char * const compat_usb_fsl[] = {

    FSL_USB2_MPH,

    FSL_USB2_DR,

    SNPS_DWC3,

    NULL

};

​

static int fdt_usb_get_node_type(void *blob, int start_offset,

                 int *node_offset, const char **node_type)

{

    int i;

    int ret = -ENOENT;

​

    for (i = 0; compat_usb_fsl[i]; i++) {

        *node_offset = fdt_node_offset_by_compatible

                    (blob, start_offset,

                     compat_usb_fsl[i]);

        if (*node_offset >= 0) {

            *node_type = compat_usb_fsl[i];

            ret = 0;

            break;

        }

    }

​

    return ret;

}

​

static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,

                       const char *phy_type, int start_offset)

{

    const char *prop_mode = "dr_mode";

    const char *prop_type = "phy_type";

    const char *node_type = NULL;

    int node_offset;

    int err;

​

    err = fdt_usb_get_node_type(blob, start_offset,

                    &node_offset, &node_type);

    if (err < 0)

        return err;

​

    if (mode) {

        err = fdt_setprop(blob, node_offset, prop_mode, mode,

                  strlen(mode) + 1);

        if (err < 0)

            printf("WARNING: could not set %s for %s: %s.\n",

                   prop_mode, node_type, fdt_strerror(err));

    }

​

    if (phy_type) {

        err = fdt_setprop(blob, node_offset, prop_type, phy_type,

                  strlen(phy_type) + 1);

        if (err < 0)

            printf("WARNING: could not set %s for %s: %s.\n",

                   prop_type, node_type, fdt_strerror(err));

    }

​

    return node_offset;

}

​

static int fsl_fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,

                     const char *controller_type,

                     int start_offset)

{

    int node_offset, err;