Module Name: src
Committed By: matt
Date: Thu Jul 12 03:08:26 UTC 2012
Added Files:
src/sys/arch/arm/omap: omap3_sdhc.c omap3_sdmmcreg.h
Log Message:
First pass at supporting the SD/MMC controllers on TI OMAP3/OMAP4 SoCs.
They are "mostly" SDHC.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/omap/omap3_sdhc.c \
src/sys/arch/arm/omap/omap3_sdmmcreg.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/sys/arch/arm/omap/omap3_sdhc.c
diff -u /dev/null src/sys/arch/arm/omap/omap3_sdhc.c:1.1
--- /dev/null Thu Jul 12 03:08:26 2012
+++ src/sys/arch/arm/omap/omap3_sdhc.c Thu Jul 12 03:08:26 2012
@@ -0,0 +1,139 @@
+/* $NetBSD: omap3_sdhc.c,v 1.1 2012/07/12 03:08:26 matt Exp $ */
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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: omap3_sdhc.c,v 1.1 2012/07/12 03:08:26 matt Exp $");
+
+#include "opt_omap.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>
+#include <sys/queue.h>
+
+#include <sys/bus.h>
+
+#include <arm/omap/omap2_obiovar.h>
+#include <arm/omap/omap3_sdmmcreg.h>
+
+#include <dev/sdmmc/sdhcreg.h>
+#include <dev/sdmmc/sdhcvar.h>
+
+static int obiosdhc_match(device_t, cfdata_t, void *);
+static void obiosdhc_attach(device_t, device_t, void *);
+
+struct obiosdhc_softc {
+ struct sdhc_softc sc;
+ bus_space_tag_t sc_bst;
+ bus_space_handle_t sc_bsh;
+ bus_space_handle_t sc_sdhc_bsh;
+ struct sdhc_host *sc_hosts[1];
+ void *sc_ih; /* interrupt vectoring */
+};
+
+CFATTACH_DECL_NEW(obiosdhc, sizeof(struct obiosdhc_softc),
+ obiosdhc_match, obiosdhc_attach, NULL, NULL);
+
+static int
+obiosdhc_match(device_t parent, cfdata_t cf, void *aux)
+{
+#ifdef OMAP_3530
+ struct obio_attach_args * const oa = aux;
+#endif
+
+#ifdef OMAP_3530
+ if (oa->obio_addr == SDMMC1_BASE_3530
+ || oa->obio_addr == SDMMC2_BASE_3530
+ || oa->obio_addr == SDMMC3_BASE_3530)
+ return 1;
+#endif
+
+ return 0;
+}
+
+static void
+obiosdhc_attach(device_t parent, device_t self, void *aux)
+{
+ struct obiosdhc_softc * const sc = device_private(self);
+ struct obio_attach_args * const oa = aux;
+ int error;
+
+ sc->sc.sc_dmat = oa->obio_dmat;
+ sc->sc.sc_dev = self;
+ //sc->sc.sc_flags |= SDHC_FLAG_USE_DMA;
+ sc->sc.sc_flags |= SDHC_FLAG_32BIT_ACCESS;
+ sc->sc.sc_flags |= SDHC_FLAG_HAVE_CGM;
+ sc->sc.sc_flags |= SDHC_FLAG_NO_LED_ON;
+ sc->sc.sc_host = sc->sc_hosts;
+ sc->sc.sc_clkbase = 96000; /* 96MHZ */
+ sc->sc_bst = oa->obio_iot;
+
+ error = bus_space_map(sc->sc_bst, oa->obio_addr, oa->obio_size, 0,
+ &sc->sc_bsh);
+ if (error) {
+ aprint_error_dev(self,
+ "can't map registers: %d\n", error);
+ return;
+ }
+
+ bus_space_subregion(sc->sc_bst, sc->sc_bsh, OMAP3_SDMMC_SDHC_OFFSET,
+ OMAP3_SDMMC_SDHC_SIZE, &sc->sc_sdhc_bsh);
+
+ aprint_naive(": SDHC controller\n");
+ aprint_normal(": SDHC controller\n");
+
+ sc->sc_ih = intr_establish(oa->obio_intr, IPL_VM, IST_LEVEL,
+ sdhc_intr, &sc->sc);
+ if (sc->sc_ih == NULL) {
+ aprint_error_dev(self, "failed to establish interrupt %d\n",
+ oa->obio_intr);
+ goto fail;
+ }
+ aprint_normal_dev(self, "interrupting on irq %d\n",
+ oa->obio_intr);
+
+ error = sdhc_host_found(&sc->sc, sc->sc_bst, sc->sc_sdhc_bsh,
+ oa->obio_size - OMAP3_SDMMC_SDHC_OFFSET);
+ if (error != 0) {
+ aprint_error_dev(self, "couldn't initialize host, error=%d\n",
+ error);
+ goto fail;
+ }
+ return;
+
+fail:
+ if (sc->sc_ih) {
+ intr_disestablish(sc->sc_ih);
+ sc->sc_ih = NULL;
+ }
+ bus_space_unmap(sc->sc_bst, sc->sc_bsh, oa->obio_size);
+}
Index: src/sys/arch/arm/omap/omap3_sdmmcreg.h
diff -u /dev/null src/sys/arch/arm/omap/omap3_sdmmcreg.h:1.1
--- /dev/null Thu Jul 12 03:08:26 2012
+++ src/sys/arch/arm/omap/omap3_sdmmcreg.h Thu Jul 12 03:08:26 2012
@@ -0,0 +1,40 @@
+/* $NetBSD: omap3_sdmmcreg.h,v 1.1 2012/07/12 03:08:26 matt Exp $ */
+/*-
+ * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#ifndef _ARM_OMAP_OMAP3_SDMMCREG_H_
+#define _ARM_OMAP_OMAP3_SDMMCREG_H_
+
+#define SDMMC1_BASE_3530 0x4809C000
+#define SDMMC2_BASE_3530 0x480B4000
+#define SDMMC3_BASE_3530 0x480AD000
+
+#define OMAP3_SDMMC_SDHC_OFFSET 0x100
+#define OMAP3_SDMMC_SDHC_SIZE 0x100
+#endif
