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-rw-r--r--sys/arm/altera/socfpga/socfpga_machdep.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/arm/altera/socfpga/socfpga_machdep.c b/sys/arm/altera/socfpga/socfpga_machdep.c
new file mode 100644
index 0000000..b098663
--- /dev/null
+++ b/sys/arm/altera/socfpga/socfpga_machdep.c
@@ -0,0 +1,107 @@
+/*-
+ * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * 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 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 AUTHOR 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 "opt_ddb.h"
+#include "opt_platform.h"
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#define _ARM32_BUS_DMA_PRIVATE
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+
+#include <vm/vm.h>
+
+#include <machine/armreg.h>
+#include <machine/bus.h>
+#include <machine/devmap.h>
+#include <machine/machdep.h>
+#include <machine/platform.h>
+
+vm_offset_t
+platform_lastaddr(void)
+{
+
+ return (arm_devmap_lastaddr());
+}
+
+void
+platform_probe_and_attach(void)
+{
+
+}
+
+void
+platform_gpio_init(void)
+{
+
+}
+
+void
+platform_late_init(void)
+{
+
+}
+
+int
+platform_devmap_init(void)
+{
+
+ /* UART */
+ arm_devmap_add_entry(0xffc00000, 0x100000);
+
+ /*
+ * USB OTG
+ *
+ * We use static device map for USB due to some bug in the Altera
+ * which throws Translation Fault (P) exception on high load.
+ * It might be caused due to some power save options being turned
+ * on or something else.
+ */
+ arm_devmap_add_entry(0xffb00000, 0x100000);
+
+ return (0);
+}
+
+struct arm32_dma_range *
+bus_dma_get_range(void)
+{
+
+ return (NULL);
+}
+
+int
+bus_dma_get_range_nb(void)
+{
+
+ return (0);
+}
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