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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-13 07:28:16 +0400 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 11:13:26 +0400 |
commit | 6260fb0458d94c83aa5b180745b1946c0c94d364 (patch) | |
tree | e48fdfbfc874a78b22f6e0b914a7661e42a7e15f /arch/microblaze/cpu/timer.c | |
parent | 8a15c2d10b0b784f0cfba1240f06a4d933b975fa (diff) | |
download | u-boot-6260fb0458d94c83aa5b180745b1946c0c94d364.tar.xz |
microblaze: Move cpu/microblaze/* to arch/microblaze/cpu/*
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/microblaze/cpu/timer.c')
-rw-r--r-- | arch/microblaze/cpu/timer.c | 73 |
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 0000000000..a91eabc642 --- /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 |