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authorMinkyu Kang <mk7.kang@samsung.com>2010-04-19 10:26:18 +0900
committerMinkyu Kang <mk7.kang@samsung.com>2010-04-19 10:26:18 +0900
commit83653121d7382fccfe329cb732f77f116341ef1d (patch)
tree0b1ce6764252af15dfb2614372de98a44a7ec61f /arch/microblaze/cpu/timer.c
parent0f1f21a345e02a68ec16f7ab9e7dc687f9276089 (diff)
parent07739bcef5da07cc4a4edef8b91014ccc332eda3 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-arm
Conflicts: cpu/arm1176/cpu.c cpu/arm1176/start.S cpu/arm_cortexa8/s5pc1xx/Makefile cpu/arm_cortexa8/s5pc1xx/clock.c drivers/serial/serial_s5p.c include/asm-arm/arch-s5pc1xx/clk.h include/asm-arm/arch-s5pc1xx/gpio.h include/asm-arm/arch-s5pc1xx/uart.h Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/microblaze/cpu/timer.c')
-rw-r--r--arch/microblaze/cpu/timer.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/microblaze/cpu/timer.c b/arch/microblaze/cpu/timer.c
new file mode 100644
index 0000000..a91eabc
--- /dev/null
+++ b/arch/microblaze/cpu/timer.c
@@ -0,0 +1,73 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ *
+ * Michal SIMEK <monstr@monstr.eu>
+ *
+ * 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/microblaze_timer.h>
+#include <asm/microblaze_intc.h>
+
+volatile int timestamp = 0;
+
+void reset_timer (void)
+{
+ timestamp = 0;
+}
+
+#ifdef CONFIG_SYS_TIMER_0
+ulong get_timer (ulong base)
+{
+ return (timestamp - base);
+}
+#else
+ulong get_timer (ulong base)
+{
+ return (timestamp++ - base);
+}
+#endif
+
+void set_timer (ulong t)
+{
+ timestamp = t;
+}
+
+#ifdef CONFIG_SYS_INTC_0
+#ifdef CONFIG_SYS_TIMER_0
+microblaze_timer_t *tmr = (microblaze_timer_t *) (CONFIG_SYS_TIMER_0_ADDR);
+
+void timer_isr (void *arg)
+{
+ timestamp++;
+ tmr->control = tmr->control | TIMER_INTERRUPT;
+}
+
+void timer_init (void)
+{
+ tmr->loadreg = CONFIG_SYS_TIMER_0_PRELOAD;
+ tmr->control = TIMER_INTERRUPT | TIMER_RESET;
+ tmr->control =
+ TIMER_ENABLE | TIMER_ENABLE_INTR | TIMER_RELOAD | TIMER_DOWN_COUNT;
+ reset_timer ();
+ install_interrupt_handler (CONFIG_SYS_TIMER_0_IRQ, timer_isr, (void *)tmr);
+}
+#endif
+#endif