From 819e36b8ceadb1d67db1ffe91b99c5282bfc6159 Mon Sep 17 00:00:00 2001
From: "H. Nikolaus Schaller" <hns@goldelico.com>
Date: Fri, 20 Apr 2012 14:10:36 +0200
Subject: tree moved to a better location

---
 board/omap4430panda/syslib.c | 73 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 board/omap4430panda/syslib.c

(limited to 'board/omap4430panda/syslib.c')

diff --git a/board/omap4430panda/syslib.c b/board/omap4430panda/syslib.c
new file mode 100644
index 0000000..2b16cc4
--- /dev/null
+++ b/board/omap4430panda/syslib.c
@@ -0,0 +1,73 @@
+/*
+ * (C) Copyright 2006
+ * Texas Instruments, <www.ti.com>
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * 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/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/bits.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/sys_info.h>
+
+/************************************************************
+ * sdelay() - simple spin loop.  Will be constant time as
+ *  its generally used in bypass conditions only.  This
+ *  is necessary until timers are accessible.
+ *
+ *  not inline to increase chances its in cache when called
+ *************************************************************/
+void sdelay(unsigned long loops)
+{
+	__asm__ volatile ("1:\n" "subs %0, %1, #1\n"  
+					  "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/*****************************************************************
+ * sr32 - clear & set a value in a bit range for a 32 bit address
+ *****************************************************************/
+void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value)
+{
+	u32 tmp, msk = 0;
+	msk = 1 << num_bits;
+	--msk;
+	tmp = __raw_readl(addr) & ~(msk << start_bit);
+	tmp |=  value << start_bit;
+	__raw_writel(tmp, addr);
+}
+
+/*********************************************************************
+ * wait_on_value() - common routine to allow waiting for changes in
+ *   volatile regs.
+ *********************************************************************/
+u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
+{
+	u32 i = 0, val;
+	do {
+		++i;
+		val = __raw_readl(read_addr) & read_bit_mask;
+		if (val == match_value)
+			return (1);
+		if (i == bound)
+			return (0);
+	} while (1);
+}
+
-- 
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