For our at91rm9200 boards, register which subtype of SoC is on the

board.  We'll use this later to control the differences between these
two variants' pins.

1 files changed, 62 insertions, 0 deletions

diff --git a/sys/arm/at91/at91rm9200_devices.c b/sys/arm/at91/at91rm9200_devices.c
new file mode 100644
index 0000000..7957fd0
--- /dev/null
+++ b/sys/arm/at91/at91rm9200_devices.c
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 2012 M. Warner Losh.  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 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 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+
+#define	_ARM32_BUS_DMA_PRIVATE
+#include <machine/bus.h>
+
+#include <arm/at91/at91var.h>
+#include <arm/at91/at91rm9200var.h>
+
+/*
+ * The AT91RM9200 uses the same silicon for both the BGA and PQFP
+ * packages.  There's no documented way to detect this at runtime,
+ * so we require the board code to register what type of SoC is on the
+ * board in question.  The pinouts are not quite compatible, and we
+ * use this information to cope with the slight differences.
+ */
+void
+at91rm9200_set_subtype(enum at91_soc_subtype st)
+{
+
+	switch (st) {
+	case AT91_ST_RM9200_BGA:
+	case AT91_ST_RM9200_PQFP:
+		soc_info.subtype = st;
+		break;
+	default:
+		panic("Bad SoC subtype %d for at91rm9200_set_subtype.", st);
+		break;
+	}
+}