Home | History | Annotate | Line # | Download | only in fdt 
      1 /* $NetBSD: dwc_gmac_fdt_subr.c,v 1.1 2026/06/22 20:26:33 jakllsch Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2026 Jonathan A. Kollasch
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD");
     31 
     32 #include <sys/param.h>
     33 #include <sys/rndsource.h>
     34 
     35 #include <dev/fdt/fdtvar.h>
     36 #include <net/if.h>
     37 #include <net/if_ether.h>
     38 #include <net/if_media.h>
     39 #include <dev/mii/miivar.h>
     40 #include <dev/fdt/dwc_gmac_fdt_subr.h>
     41 #include <dev/ic/dwc_gmac_var.h>
     42 
     43 void
     44 dwc_gmac_preattach_fdt(int phandle, struct dwc_gmac_softc *sc)
     45 {
     46 	uint32_t pbl;
     47 
     48 	if (of_getprop_uint32(phandle, "snps,pbl", &pbl) == 0) {
     49 		sc->sc_rxpbl = sc->sc_txpbl = pbl;
     50 	}
     51 	if (of_getprop_uint32(phandle, "snps,txpbl", &pbl) == 0) {
     52 		sc->sc_txpbl = pbl;
     53 	}
     54 	if (of_getprop_uint32(phandle, "snps,rxpbl", &pbl) == 0) {
     55 		sc->sc_rxpbl = pbl;
     56 	}
     57 	if (of_hasprop(phandle, "snps,fixed-burst"))
     58 		sc->sc_flags |= DWC_GMAC_FIXED_BURST;
     59 #if notyet
     60 	if (of_hasprop(phandle, "snps,force_thresh_dma_mode"))
     61 		sc->sc_flags |= DWC_GMAC_FORCE_THRESH_DMA_MODE;
     62 #endif
     63 }
     64