Separate omap24xx specific code from arm1136

Move omap24xx code to cpu/arm1136/omap24xx, rename include/asm-arm/arch-arm1136 to cpu/arm1136/omap24xx.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>

6 files changed, 154 insertions, 77 deletions

diff --git a/cpu/arm1136/Makefile b/cpu/arm1136/Makefile
index d5ac7d3..7701b03 100644
--- a/cpu/arm1136/Makefile
+++ b/cpu/arm1136/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-COBJS	= interrupts.o cpu.o
+COBJS	= cpu.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/cpu/arm1136/cpu.c b/cpu/arm1136/cpu.c
index fa78eaa..90e9553 100644
--- a/cpu/arm1136/cpu.c
+++ b/cpu/arm1136/cpu.c
@@ -33,9 +33,6 @@
 
 #include <common.h>
 #include <command.h>
-#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR)
-#include <asm/arch/omap2420.h>
-#endif
 
 #ifdef CONFIG_USE_IRQ
 DECLARE_GLOBAL_DATA_PTR;
@@ -47,10 +44,10 @@ static unsigned long read_p15_c1 (void)
 	unsigned long value;
 
 	__asm__ __volatile__(
-						"mrc	p15, 0, %0, c1, c0, 0   @ read control reg\n"
-						: "=r" (value)
-						:
-						: "memory");
+		"mrc	p15, 0, %0, c1, c0, 0   @ read control reg\n"
+		: "=r" (value)
+		:
+		: "memory");
 	return value;
 }
 
diff --git a/cpu/arm1136/omap24xx/Makefile b/cpu/arm1136/omap24xx/Makefile
new file mode 100644
index 0000000..39b0a82
--- /dev/null
+++ b/cpu/arm1136/omap24xx/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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 Foundatio; 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).a
+
+COBJS	= interrupts.o
+SOBJS	= start.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/arm1136/interrupts.c b/cpu/arm1136/omap24xx/interrupts.c
index 491c902..5963d62 100644
--- a/cpu/arm1136/interrupts.c
+++ b/cpu/arm1136/omap24xx/interrupts.c
@@ -32,31 +32,28 @@
 
 #include <common.h>
 #include <asm/arch/bits.h>
-
-#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR)
-# include <asm/arch/omap2420.h>
-#endif
+#include <asm/arch/omap2420.h>
 
 #define TIMER_LOAD_VAL 0
 
 /* macro to read the 32 bit timer */
-#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+TCRR))
-
-#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR)
-/* Use the IntegratorCP function from board/integratorcp.c */
-#else
+#define READ_TIMER (*volatile ulong*(CFG_TIMERBASE+TCRR))
 
 static ulong timestamp;
 static ulong lastinc;
 
-/* nothing really to do with interrupts, just starts up a counter. */
-int interrupt_init (void)
+/*
+ * nothing really to do with interrupts, just starts up a counter.
+ */
+int interrupt_init(void)
 {
 	int32_t val;
 
 	/* Start the counter ticking up */
-	*((int32_t *) (CFG_TIMERBASE + TLDR)) = TIMER_LOAD_VAL;	/* reload value on overflow*/
-	val = (CFG_PVT << 2) | BIT5 | BIT1 | BIT0;		/* mask to enable timer*/
+	/* reload value on overflow*/
+	*((int32_t *) (CFG_TIMERBASE + TLDR)) = TIMER_LOAD_VAL;
+	/* mask to enable timer*/
+	val = (CFG_PVT << 2) | BIT5 | BIT1 | BIT0;
 	*((int32_t *) (CFG_TIMERBASE + TCLR)) = val;	/* start timer */
 
 	reset_timer_masked(); /* init the timestamp and lastinc value */
@@ -66,82 +63,99 @@ int interrupt_init (void)
 /*
  * timer without interrupts
  */
-void reset_timer (void)
+void reset_timer(void)
 {
-	reset_timer_masked ();
+	reset_timer_masked();
 }
 
-ulong get_timer (ulong base)
+ulong get_timer(ulong base)
 {
-	return get_timer_masked () - base;
+	return get_timer_masked() - base;
 }
 
-void set_timer (ulong t)
+void set_timer(ulong t)
 {
 	timestamp = t;
 }
 
 /* delay x useconds AND perserve advance timstamp value */
-void udelay (unsigned long usec)
+void udelay(unsigned long usec)
 {
 	ulong tmo, tmp;
 
-	if (usec >= 1000) {			/* if "big" number, spread normalization to seconds */
-		tmo = usec / 1000;		/* start to normalize for usec to ticks per sec */
-		tmo *= CFG_HZ;			/* find number of "ticks" to wait to achieve target */
-		tmo /= 1000;			/* finish normalize. */
-	} else {					/* else small number, don't kill it prior to HZ multiply */
+	/* if "big" number, spread normalization to seconds */
+	if (usec >= 1000) {
+		/* start to normalize for usec to ticks per sec */
+		tmo = usec / 1000;
+		/* find number of "ticks" to wait to achieve target */
+		tmo *= CFG_HZ;
+		/* finish normalize. */
+		tmo /= 1000;
+	} else {
+		/* else small number, don't kill it prior to HZ multiply */
 		tmo = usec * CFG_HZ;
 		tmo /= (1000*1000);
 	}
-
-	tmp = get_timer (0);		/* get current timestamp */
-	if ( (tmo + tmp + 1) < tmp )/* if setting this forward will roll time stamp */
-		reset_timer_masked ();	/* reset "advancing" timestamp to 0, set lastinc value */
+	/* get current timestamp */
+	tmp = get_timer(0);
+	if ((tmo + tmp + 1) < tmp)
+		/* setting this forward will roll time stamp */
+		/* reset "advancing" timestamp to 0, set lastinc value */
+		reset_timer_masked();
 	else
-		tmo	+= tmp;				/* else, set advancing stamp wake up time */
-	while (get_timer_masked () < tmo)/* loop till event */
+		/* else, set advancing stamp wake up time */
+		tmo	+= tmp;
+	while (get_timer_masked() < tmo)/* loop till event */
 		/*NOP*/;
 }
 
-void reset_timer_masked (void)
+void reset_timer_masked(void)
 {
 	/* reset time */
-	lastinc = READ_TIMER;		/* capture current incrementer value time */
-	timestamp = 0;				/* start "advancing" time stamp from 0 */
+	/* capture current incrementer value time */
+	lastinc = READ_TIMER;
+	/* start "advancing" time stamp from 0 */
+	timestamp = 0;
 }
 
-ulong get_timer_masked (void)
+ulong get_timer_masked(void)
 {
-	ulong now = READ_TIMER;		/* current tick value */
+	ulong now = READ_TIMER;	/* current tick value */
 
-	if (now >= lastinc)			/* normal mode (non roll) */
-		timestamp += (now - lastinc); /* move stamp fordward with absoulte diff ticks */
-	else						/* we have rollover of incrementer */
+	/* normal mode (non roll) */
+	if (now >= lastinc)
+		/* move stamp forward with absolute diff ticks */
+		timestamp += (now - lastinc);
+	else
+		/* we have rollover of incrementer */
 		timestamp += (0xFFFFFFFF - lastinc) + now;
 	lastinc = now;
 	return timestamp;
 }
 
 /* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
+void udelay_masked(unsigned long usec)
 {
 	ulong tmo;
 	ulong endtime;
 	signed long diff;
 
-	if (usec >= 1000) {			/* if "big" number, spread normalization to seconds */
-		tmo = usec / 1000;		/* start to normalize for usec to ticks per sec */
-		tmo *= CFG_HZ;			/* find number of "ticks" to wait to achieve target */
-		tmo /= 1000;			/* finish normalize. */
-	} else {					/* else small number, don't kill it prior to HZ multiply */
+	if (usec >= 1000) {
+		/* "big" number, spread normalization to seconds */
+		/* start to normalize for usec to ticks per sec */
+		tmo = usec / 1000;
+		/* find number of "ticks" to wait to achieve target */
+		tmo *= CFG_HZ;
+		tmo /= 1000;/* finish normalize. */
+	} else {
+		/* else small number, don't kill it prior to HZ multiply */
 		tmo = usec * CFG_HZ;
 		tmo /= (1000*1000);
 	}
-	endtime = get_timer_masked () + tmo;
+	endtime = get_timer_masked() + tmo;
 
 	do {
-		ulong now = get_timer_masked ();
+		ulong now = get_timer_masked();
 		diff = endtime - now;
 	} while (diff >= 0);
 }
@@ -158,10 +172,9 @@ unsigned long long get_ticks(void)
  * This function is derived from PowerPC code (timebase clock frequency).
  * On ARM it returns the number of timer ticks per second.
  */
-ulong get_tbclk (void)
+ulong get_tbclk(void)
 {
 	ulong tbclk;
 	tbclk = CFG_HZ;
 	return tbclk;
 }
-#endif /* !Integrator/CP */
diff --git a/cpu/arm1136/omap24xx/start.S b/cpu/arm1136/omap24xx/start.S
new file mode 100644
index 0000000..5634312
--- /dev/null
+++ b/cpu/arm1136/omap24xx/start.S
@@ -0,0 +1,42 @@
+/*
+ *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
+ *
+ *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
+ *
+ *  Copyright (c) 2001	Marius Gr??ger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Z??pke <azu@sysgo.de>
+ *  Copyright (c) 2002	Gary Jennejohn <gj@denx.de>
+ *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
+ *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
+ *
+ * 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 <asm/arch/omap2420.h>
+
+.globl reset_cpu
+reset_cpu:
+	ldr	r1, rstctl	/* get addr for global reset reg */
+	mov	r3, #0x2	/* full reset pll+mpu */
+	str	r3, [r1]	/* force reset */
+	mov	r0, r0
+_loop_forever:
+	b	_loop_forever
+rstctl:
+	.word	PM_RSTCTRL_WKUP
diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S
index 8b765f1..56009d0 100644
--- a/cpu/arm1136/start.S
+++ b/cpu/arm1136/start.S
@@ -30,9 +30,6 @@
 
 #include <config.h>
 #include <version.h>
-#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR)
-#include <asm/arch/omap2420.h>
-#endif
 .globl _start
 _start: b	reset
 #ifdef CONFIG_ONENAND_IPL
@@ -438,22 +435,4 @@ fiq:
 arm1136_cache_flush:
 		mcr	p15, 0, r1, c7, c5, 0	@ invalidate I cache
 		mov	pc, lr			@ back to caller
-
-#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR)
-/* Use the IntegratorCP function from board/integratorcp/platform.S */
-#else
-
-	.align	5
-.globl reset_cpu
-reset_cpu:
-	ldr	r1, rstctl	/* get addr for global reset reg */
-	mov	r3, #0x2	/* full reset pll+mpu */
-	str	r3, [r1]	/* force reset */
-	mov	r0, r0
-_loop_forever:
-	b	_loop_forever
-rstctl:
-	.word	PM_RSTCTRL_WKUP
-
-#endif
 #endif	/* CONFIG_ONENAND_IPL */