Add support for EDB93XX boards

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+/*
+ * Copyright (C) 2009 Matthias Kaehlcke <[email protected]>
+ *
+ * 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 <common.h>
+
+/* delay execution before timers are initialized */
+static inline void early_udelay(uint32_t usecs)
+{
+	/* loop takes 4 cycles at 5.0ns (fastest case, running at 200MHz) */
+	register uint32_t loops = (usecs * 1000) / 20;
+
+	__asm__ volatile ("1:\n"
+			"subs %0, %1, #1\n"
+			"bne 1b":"=r" (loops):"0" (loops));
+}

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+/*
+ * Flash setup for Cirrus edb93xx boards
+ *
+ * Copyright (C) 2009 Matthias Kaehlcke <[email protected]>
+ *
+ * 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 <common.h>
+#include <asm/arch/ep93xx.h>
+#include <asm/io.h>
+
+#define SMC_BCR6_VALUE	(2 << SMC_BCR_IDCY_SHIFT | 5 << SMC_BCR_WST1_SHIFT | \
+				SMC_BCR_BLE | 2 << SMC_BCR_WST2_SHIFT | \
+				1 << SMC_BCR_MW_SHIFT)
+
+void flash_cfg(void)
+{
+	struct smc_regs *smc = (struct smc_regs *)SMC_BASE;
+
+	writel(SMC_BCR6_VALUE, &smc->bcr6);
+}

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