xes: Consolidate checkboard()

Create a common checkboard() function to support all X-ES's Freescale
boards.

Also, add a get_board_derivative() function which reads hardware
strapping resistors to determine what model a board is.  This allows one
U-Boot image to support multiple boards.

Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/xes/common/board.c b/board/xes/common/board.c
new file mode 100644
index 0000000..738f0a6
--- /dev/null
+++ b/board/xes/common/board.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2009 Extreme Engineering Solutions, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include "fsl_8xxx_misc.h"
+
+int checkboard(void)
+{
+	char name[] = CONFIG_SYS_BOARD_NAME;
+	char *s;
+
+#ifdef CONFIG_SYS_FORM_CUSTOM
+	s = "Custom";
+#elif CONFIG_SYS_FORM_6U_CPCI
+	s = "6U CompactPCI";
+#elif CONFIG_SYS_FORM_ATCA_PMC
+	s = "ATCA w/PMC";
+#elif CONFIG_SYS_FORM_ATCA_AMC
+	s = "ATCA w/AMC";
+#elif CONFIG_SYS_FORM_VME
+	s = "VME";
+#elif CONFIG_SYS_FORM_6U_VPX
+	s = "6U VPX";
+#elif CONFIG_SYS_FORM_PMC
+	s = "PMC";
+#elif CONFIG_SYS_FORM_PCI
+	s = "PCI";
+#elif CONFIG_SYS_FORM_3U_CPCI
+	s = "3U CompactPCI";
+#elif CONFIG_SYS_FORM_AMC
+	s = "AdvancedMC";
+#elif CONFIG_SYS_FORM_XMC
+	s = "XMC";
+#elif CONFIG_SYS_FORM_PMC_XMC
+	s = "PMC/XMC";
+#elif CONFIG_SYS_FORM_PCI_EXPRESS
+	s = "PCI Express";
+#elif CONFIG_SYS_FORM_3U_VPX
+	s = "3U VPX";
+#else
+#error "Form factor not defined"
+#endif
+
+	name[strlen(name) - 1] += get_board_derivative();
+	printf("Board: X-ES %s %s SBC\n", name, s);
+
+	/* Display board specific information */
+	puts("       ");
+	if ((s = getenv("board_rev")))
+		printf("Rev %s, ", s);
+	if ((s = getenv("serial#")))
+		printf("Serial# %s, ", s);
+	if ((s = getenv("board_cfg")))
+		printf("Cfg %s", s);
+	puts("\n");
+
+	return 0;
+}