[U-Boot] [PATCH] ARM: Use syslib functions for all CORTEXA8

[Stefano Babic]

The OMAP3 cpu directory contains a syslib file with some utilities
that can be shared by all targets using arm cortexa8 processors,
not only OMAP.

Signed-off-by: Stefano Babic <sbabic at denx.de>
---
 arch/arm/cpu/armv7/Makefile                |    3 +-
 arch/arm/cpu/armv7/omap3/Makefile          |    1 -
 arch/arm/cpu/armv7/omap3/syslib.c          |   72 ----------------------------
 arch/arm/cpu/armv7/syslib.c                |   69 ++++++++++++++++++++++++++
 arch/arm/include/asm/arch-mx51/sys_proto.h |    1 +
 5 files changed, 72 insertions(+), 74 deletions(-)
 delete mode 100644 arch/arm/cpu/armv7/omap3/syslib.c
 create mode 100644 arch/arm/cpu/armv7/syslib.c

diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index ae20299..de4b065 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -27,6 +27,7 @@ LIB	= $(obj)lib$(CPU).a
 
 START	:= start.o
 COBJS	:= cpu.o
+COBJS	+= syslib.o
 
 SRCS	:= $(START:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
@@ -44,4 +45,4 @@ include $(SRCTREE)/rules.mk
 
 sinclude $(obj).depend
 
-#########################################################################
\ No newline at end of file
+#########################################################################
diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap3/Makefile
index 79ae267..95526d6 100644
--- a/arch/arm/cpu/armv7/omap3/Makefile
+++ b/arch/arm/cpu/armv7/omap3/Makefile
@@ -32,7 +32,6 @@ COBJS	+= board.o
 COBJS	+= clock.o
 COBJS	+= gpio.o
 COBJS	+= mem.o
-COBJS	+= syslib.o
 COBJS	+= sys_info.o
 
 COBJS-$(CONFIG_EMIF4)	+= emif4.o
diff --git a/arch/arm/cpu/armv7/omap3/syslib.c b/arch/arm/cpu/armv7/omap3/syslib.c
deleted file mode 100644
index 9ced495..0000000
--- a/arch/arm/cpu/armv7/omap3/syslib.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Richard Woodruff <r-woodruff2 at ti.com>
- * Syed Mohammed Khasim <khasim at 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/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/sys_proto.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(void *addr, u32 start_bit, u32 num_bits, u32 value)
-{
-	u32 tmp, msk = 0;
-	msk = 1 << num_bits;
-	--msk;
-	tmp = readl((u32)addr) & ~(msk << start_bit);
-	tmp |= value << start_bit;
-	writel(tmp, (u32)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, void *read_addr,
-		  u32 bound)
-{
-	u32 i = 0, val;
-	do {
-		++i;
-		val = readl((u32)read_addr) & read_bit_mask;
-		if (val == match_value)
-			return 1;
-		if (i == bound)
-			return 0;
-	} while (1);
-}
diff --git a/arch/arm/cpu/armv7/syslib.c b/arch/arm/cpu/armv7/syslib.c
new file mode 100644
index 0000000..84d17f0
--- /dev/null
+++ b/arch/arm/cpu/armv7/syslib.c
@@ -0,0 +1,69 @@
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Richard Woodruff <r-woodruff2 at ti.com>
+ * Syed Mohammed Khasim <khasim at 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/io.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(void *addr, u32 start_bit, u32 num_bits, u32 value)
+{
+	u32 tmp, msk = 0;
+	msk = 1 << num_bits;
+	--msk;
+	tmp = readl((u32)addr) & ~(msk << start_bit);
+	tmp |= value << start_bit;
+	writel(tmp, (u32)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, void *read_addr,
+		  u32 bound)
+{
+	u32 i = 0, val;
+	do {
+		++i;
+		val = readl((u32)read_addr) & read_bit_mask;
+		if (val == match_value)
+			return 1;
+		if (i == bound)
+			return 0;
+	} while (1);
+}
diff --git a/arch/arm/include/asm/arch-mx51/sys_proto.h b/arch/arm/include/asm/arch-mx51/sys_proto.h
index bf500a8..f687503 100644
--- a/arch/arm/include/asm/arch-mx51/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx51/sys_proto.h
@@ -26,5 +26,6 @@
 
 u32 get_cpu_rev(void);
 #define is_soc_rev(rev)	((get_cpu_rev() & 0xFF) - rev)
+void sdelay(unsigned long);
 
 #endif
-- 
1.6.3.3