[src/trunk]: src/sys/arch/arm/broadcom Add support for brcm, bcm2711-emmc2

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/eac09d805f12
branches:  trunk
changeset: 744974:eac09d805f12
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Thu Feb 20 01:44:06 2020 +0000

description:
Add support for brcm,bcm2711-emmc2

diffstat:

 sys/arch/arm/broadcom/bcm2835_emmc.c |  29 +++++++++++++++++++++--------
 1 files changed, 21 insertions(+), 8 deletions(-)

diffs (80 lines):

diff -r 4788d50d6091 -r eac09d805f12 sys/arch/arm/broadcom/bcm2835_emmc.c
--- a/sys/arch/arm/broadcom/bcm2835_emmc.c      Thu Feb 20 01:43:07 2020 +0000
+++ b/sys/arch/arm/broadcom/bcm2835_emmc.c      Thu Feb 20 01:44:06 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bcm2835_emmc.c,v 1.35 2019/12/30 16:41:38 skrll Exp $  */
+/*     $NetBSD: bcm2835_emmc.c,v 1.36 2020/02/20 01:44:06 jmcneill Exp $       */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bcm2835_emmc.c,v 1.35 2019/12/30 16:41:38 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bcm2835_emmc.c,v 1.36 2020/02/20 01:44:06 jmcneill Exp $");
 
 #include "bcmdmac.h"
 
@@ -91,17 +91,24 @@
 CFATTACH_DECL_NEW(bcmemmc, sizeof(struct bcmemmc_softc),
     bcmemmc_match, bcmemmc_attach, NULL, NULL);
 
+enum bcmemmc_type {
+       BCM2835_SDHCI,
+       BCM2711_EMMC2,
+};
+
+static const struct of_compat_data compat_data[] = {
+       { "brcm,bcm2835-sdhci",         BCM2835_SDHCI },
+       { "brcm,bcm2711-emmc2",         BCM2711_EMMC2 },
+       { NULL }
+};
+
 /* ARGSUSED */
 static int
 bcmemmc_match(device_t parent, struct cfdata *match, void *aux)
 {
-       const char * const compatible[] = {
-           "brcm,bcm2835-sdhci",
-           NULL
-       };
        struct fdt_attach_args * const faa = aux;
 
-       return of_match_compatible(faa->faa_phandle, compatible);
+       return of_match_compat_data(faa->faa_phandle, compat_data);
 }
 
 /* ARGSUSED */
@@ -111,9 +118,13 @@
        struct bcmemmc_softc *sc = device_private(self);
        struct fdt_attach_args * const faa = aux;
        prop_dictionary_t dict = device_properties(self);
+       const int phandle = faa->faa_phandle;
        bool disable = false;
+       enum bcmemmc_type type;
        int error;
 
+       type = of_search_compatible(phandle, compat_data)->data;
+
        sc->sc.sc_dev = self;
        sc->sc.sc_dmat = faa->faa_dmat;
        sc->sc.sc_flags = 0;
@@ -137,7 +148,6 @@
        bus_addr_t addr;
        bus_size_t size;
 
-       const int phandle = faa->faa_phandle;
        error = fdtbus_get_reg(phandle, 0, &addr, &size);
        if (error) {
                aprint_error_dev(sc->sc.sc_dev, "unable to map device\n");
@@ -185,6 +195,9 @@
        aprint_normal_dev(self, "interrupting on %s\n", intrstr);
 
 #if NBCMDMAC > 0
+       if (type != BCM2835_SDHCI)
+               goto done;
+
        sc->sc_dmac = bcm_dmac_alloc(BCM_DMAC_TYPE_NORMAL, IPL_SDMMC,
            bcmemmc_dma_done, sc);
        if (sc->sc_dmac == NULL)