--- /dev/null
+#
+# (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
+
+#########################################################################
#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 */
/*
* 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);
}
* 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 */
--- /dev/null
+/*
+ * 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
projects / u-boot.git / commitdiff
