[src/trunk]: src/sys/arch/arm/rockchip add dwcmmc glue, doesnt work yet

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

details:   https://anonhg.NetBSD.org/src/rev/b98982bdefd7
branches:  trunk
changeset: 805270:b98982bdefd7
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Dec 27 01:22:07 2014 +0000

description:
add dwcmmc glue, doesnt work yet

diffstat:

 sys/arch/arm/rockchip/rockchip_dwcmmc.c |  97 +++++++++++++++++++++++++++++++++
 1 files changed, 97 insertions(+), 0 deletions(-)

diffs (101 lines):

diff -r 5577eea3fd3c -r b98982bdefd7 sys/arch/arm/rockchip/rockchip_dwcmmc.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/rockchip/rockchip_dwcmmc.c   Sat Dec 27 01:22:07 2014 +0000
@@ -0,0 +1,97 @@
+/* $NetBSD: rockchip_dwcmmc.c,v 1.1 2014/12/27 01:22:07 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2014 Jared D. McNeill <jmcneill%invisible.ca@localhost>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: rockchip_dwcmmc.c,v 1.1 2014/12/27 01:22:07 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+#include <sys/intr.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/mutex.h>
+#include <sys/condvar.h>
+
+#include <arm/rockchip/rockchip_reg.h>
+#include <arm/rockchip/rockchip_var.h>
+
+#include <dev/ic/dwc_mmc_var.h>
+
+static int     rk_dwcmmc_match(device_t, cfdata_t, void *);
+static void    rk_dwcmmc_attach(device_t, device_t, void *);
+
+static void    rk_dwcmmc_attach_i(device_t);
+
+CFATTACH_DECL_NEW(rkdwcmmc, sizeof(struct dwc_mmc_softc),
+       rk_dwcmmc_match, rk_dwcmmc_attach, NULL, NULL);
+
+static int
+rk_dwcmmc_match(device_t parent, cfdata_t cf, void *aux)
+{
+       return 1;
+}
+
+static void
+rk_dwcmmc_attach(device_t parent, device_t self, void *aux)
+{
+       struct dwc_mmc_softc *sc = device_private(self);
+       struct obio_attach_args * const obio = aux;
+
+       sc->sc_dev = self;
+       sc->sc_bst = obio->obio_bst;
+       sc->sc_dmat = obio->obio_dmat;
+       sc->sc_flags = DWC_MMC_F_USE_HOLD_REG;
+       sc->sc_clock_freq = rockchip_ahb_get_rate();
+       sc->sc_fifo_depth = 256;
+
+       bus_space_subregion(obio->obio_bst, obio->obio_bsh, obio->obio_offset,
+           obio->obio_size, &sc->sc_bsh);
+
+       aprint_naive("\n");
+       aprint_normal(": SD/MMC controller\n");
+
+       sc->sc_ih = intr_establish(obio->obio_intr, IPL_BIO, IST_LEVEL,
+           dwc_mmc_intr, sc);
+       if (sc->sc_ih == NULL) {
+               aprint_error_dev(self, "couldn't establish interrupt %d\n",
+                   obio->obio_intr);
+               return;
+       }
+       aprint_normal_dev(self, "interrupting on irq %d\n", obio->obio_intr);
+
+       config_interrupts(self, rk_dwcmmc_attach_i);
+}
+
+static void
+rk_dwcmmc_attach_i(device_t self)
+{
+       struct dwc_mmc_softc *sc = device_private(self);
+
+       dwc_mmc_init(sc);
+}