Add support for EDB93xx boards

Added support for the following EDB93xx boards:

EDB9301
EDB9302
EDB9302A
EDB9307
EDB9307A
EDB93012
EDB9315
EDB9315A

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
diff --git a/board/edb93xx/pll_cfg.h b/board/edb93xx/pll_cfg.h
new file mode 100644
index 0000000..0b6f469
--- /dev/null
+++ b/board/edb93xx/pll_cfg.h
@@ -0,0 +1,72 @@
+/*
+ * PLL register values for Cirrus edb93xx boards
+ *
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/arch/ep93xx.h>
+
+#if defined(CONFIG_EDB9301) || defined(CONFIG_EDB9302) ||	\
+	defined(CONFIG_EDB9302A)
+/*
+ * fclk_div: 2, nbyp1: 1, hclk_div: 5, pclk_div: 2
+ * pll1_x1: 294912000.000000, pll1_x2ip: 36864000.000000,
+ * pll1_x2: 331776000.000000, pll1_out: 331776000.000000
+ */
+#define CLKSET1_VAL	(7 << SYSCON_CLKSET_PLL_X2IPD_SHIFT |	\
+			8 << SYSCON_CLKSET_PLL_X2FBD2_SHIFT |	\
+			19 << SYSCON_CLKSET_PLL_X1FBD1_SHIFT |	\
+			1 << SYSCON_CLKSET1_PCLK_DIV_SHIFT |	\
+			3 << SYSCON_CLKSET1_HCLK_DIV_SHIFT |	\
+			SYSCON_CLKSET1_NBYP1 |			\
+			1 << SYSCON_CLKSET1_FCLK_DIV_SHIFT)
+#elif defined(CONFIG_EDB9307) || defined(CONFIG_EDB9307A) ||	\
+	defined CONFIG_EDB9312 || defined(CONFIG_EDB9315) ||	\
+	defined(CONFIG_EDB9315A)
+/*
+ * fclk_div: 2, nbyp1: 1, hclk_div: 4, pclk_div: 2
+ * pll1_x1: 3096576000.000000, pll1_x2ip: 129024000.000000,
+ * pll1_x2: 3999744000.000000, pll1_out: 1999872000.000000
+ */
+#define CLKSET1_VAL	(23 << SYSCON_CLKSET_PLL_X2IPD_SHIFT |	\
+			30 << SYSCON_CLKSET_PLL_X2FBD2_SHIFT |	\
+			20 << SYSCON_CLKSET_PLL_X1FBD1_SHIFT |	\
+			1 << SYSCON_CLKSET1_PCLK_DIV_SHIFT |	\
+			2 << SYSCON_CLKSET1_HCLK_DIV_SHIFT |	\
+			SYSCON_CLKSET1_NBYP1 |			\
+			1 << SYSCON_CLKSET1_FCLK_DIV_SHIFT)
+#else
+#error "Undefined board"
+#endif
+
+/*
+ * usb_div: 4, nbyp2: 1, pll2_en: 1
+ * pll2_x1: 368640000.000000, pll2_x2ip: 15360000.000000,
+ * pll2_x2: 384000000.000000, pll2_out: 192000000.000000
+ */
+#define CLKSET2_VAL	(23 << SYSCON_CLKSET_PLL_X2IPD_SHIFT |	\
+			24 << SYSCON_CLKSET_PLL_X2FBD2_SHIFT |	\
+			24 << SYSCON_CLKSET_PLL_X1FBD1_SHIFT |	\
+			1 << SYSCON_CLKSET_PLL_PS_SHIFT |	\
+			SYSCON_CLKSET2_PLL2_EN |		\
+			SYSCON_CLKSET2_NBYP2 |			\
+			3 << SYSCON_CLKSET2_USB_DIV_SHIFT)