[src/trunk]: src/sys/arch/mips/ingenic peripheral bus, not really tested

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

details:   https://anonhg.NetBSD.org/src/rev/f931297bad90
branches:  trunk
changeset: 334780:f931297bad90
user:      macallan <macallan%NetBSD.org@localhost>
date:      Sat Dec 06 14:34:56 2014 +0000

description:
peripheral bus, not really tested

diffstat:

 sys/arch/mips/ingenic/apbus.c       |  136 ++++++++++++++++++++++++++++++++++++
 sys/arch/mips/ingenic/ingenic_var.h |   44 +++++++++++
 2 files changed, 180 insertions(+), 0 deletions(-)

diffs (188 lines):

diff -r 60c37f581cf6 -r f931297bad90 sys/arch/mips/ingenic/apbus.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/mips/ingenic/apbus.c     Sat Dec 06 14:34:56 2014 +0000
@@ -0,0 +1,136 @@
+/*     $NetBSD: apbus.c,v 1.1 2014/12/06 14:34:56 macallan Exp $ */
+
+/*-
+ * Copyright (c) 2014 Michael Lorenz
+ * 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 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.
+ */
+ 
+/* catch-all for on-chip peripherals */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: apbus.c,v 1.1 2014/12/06 14:34:56 macallan Exp $");
+
+#include "locators.h"
+#define        _MIPS_BUS_DMA_PRIVATE
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+#include <sys/extent.h>
+#include <sys/systm.h>
+
+#include <mips/ingenic/ingenic_var.h>
+#include <mips/ingenic/ingenic_regs.h>
+
+static int apbus_match(device_t, cfdata_t, void *);
+static void apbus_attach(device_t, device_t, void *);
+static int apbus_print(void *, const char *);
+static void apbus_bus_mem_init(bus_space_tag_t, void *);
+
+CFATTACH_DECL_NEW(apbus, 0, apbus_match, apbus_attach, NULL, NULL);
+
+static struct mips_bus_space   apbus_mbst;
+bus_space_tag_t        apbus_memt = NULL;
+
+struct mips_bus_dma_tag        apbus_dmat = {
+       ._dmamap_ops = _BUS_DMAMAP_OPS_INITIALIZER,
+       ._dmamem_ops = _BUS_DMAMEM_OPS_INITIALIZER,
+       ._dmatag_ops = _BUS_DMATAG_OPS_INITIALIZER,
+};
+
+static const char *apbus_devs[] = {
+       "dwctwo",
+       "jzgpio",
+       "jzfb",
+       NULL
+};
+
+void
+apbus_init(void)
+{
+       static bool done = false;
+       if (done)
+               return;
+       done = true;
+
+       apbus_bus_mem_init(&apbus_mbst, NULL);
+       apbus_memt = &apbus_mbst;
+}
+
+int
+apbus_match(device_t parent, cfdata_t match, void *aux)
+{
+       struct mainbusdev {
+               const char *md_name;
+       } *aa = aux;
+       if (strcmp(aa->md_name, "apbus") == 0) return 1;
+       return 0;
+}
+
+void
+apbus_attach(device_t parent, device_t self, void *aux)
+{
+       aprint_normal("\n");
+
+       /* should have been called early on */
+       apbus_init();
+
+printf("core ctrl:   %08x\n", MFC0(12, 2));
+printf("core status: %08x\n", MFC0(12, 3));
+printf("REIM: %08x\n", MFC0(12, 4));
+printf("ID: %08x\n", MFC0(15, 1));
+
+       for (const char **adv = apbus_devs; *adv != NULL; adv++) {
+               struct apbus_attach_args aa;
+               aa.aa_name = *adv;
+               aa.aa_addr = 0;
+               aa.aa_dmat = &apbus_dmat;
+               aa.aa_bst = apbus_memt;
+
+               (void) config_found_ia(self, "apbus", &aa, apbus_print);
+       }
+}
+
+int
+apbus_print(void *aux, const char *pnp)
+{
+       struct apbus_attach_args *aa = aux;
+
+       if (pnp)
+               aprint_normal("%s at %s", aa->aa_name, pnp);
+
+       if (aa->aa_addr)
+               aprint_normal(" addr 0x%" PRIxBUSADDR, aa->aa_addr);
+
+       return (UNCONF);
+}
+
+#define CHIP                   apbus
+#define        CHIP_MEM                /* defined */
+#define        CHIP_W1_BUS_START(v)    0x10000000UL
+#define CHIP_W1_BUS_END(v)     0x20000000UL
+#define        CHIP_W1_SYS_START(v)    0x10000000UL
+#define        CHIP_W1_SYS_END(v)      0x20000000UL
+
+#include <mips/mips/bus_space_alignstride_chipdep.c>
diff -r 60c37f581cf6 -r f931297bad90 sys/arch/mips/ingenic/ingenic_var.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/mips/ingenic/ingenic_var.h       Sat Dec 06 14:34:56 2014 +0000
@@ -0,0 +1,44 @@
+/*     $NetBSD: ingenic_var.h,v 1.1 2014/12/06 14:34:56 macallan Exp $ */
+
+/*-
+ * Copyright (c) 2014 Michael Lorenz
+ * 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 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 INGENIC_VAR_H
+#define INGENIC_VAR_H
+
+#include <sys/bus.h>
+
+struct apbus_attach_args {
+       const char      *aa_name;
+       bus_space_tag_t aa_bst;
+       bus_dma_tag_t   aa_dmat;
+       bus_addr_t      aa_addr;
+};
+
+extern bus_space_tag_t ingenic_memt;
+void apbus_init(void);
+
+#endif /* INGENIC_VAR_H */