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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_sh/time_sh2.c | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
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Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_sh/time_sh2.c')
-rw-r--r-- | lib_sh/time_sh2.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/lib_sh/time_sh2.c b/lib_sh/time_sh2.c deleted file mode 100644 index 789b46f..0000000 --- a/lib_sh/time_sh2.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright (C) 2007,2008 Nobobuhiro Iwamatsu <iwamatsu@nigauri.org> - * Copyright (C) 2008 Renesas Solutions Corp. - * - * (C) Copyright 2003 - * 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 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/processor.h> - -#define CMT_CMCSR_INIT 0x0001 /* PCLK/32 */ -#define CMT_CMCSR_CALIB 0x0000 -#define CMT_MAX_COUNTER (0xFFFFFFFF) -#define CMT_TIMER_RESET (0xFFFF) - -static vu_long cmt0_timer; - -static void cmt_timer_start(unsigned int timer) -{ - writew(readw(CMSTR) | 0x01, CMSTR); -} - -static void cmt_timer_stop(unsigned int timer) -{ - writew(readw(CMSTR) & ~0x01, CMSTR); -} - -int timer_init(void) -{ - cmt0_timer = 0; - /* Divide clock by 32 */ - readw(CMCSR_0); - writew(CMT_CMCSR_INIT, CMCSR_0); - - /* User Device 0 only */ - cmt_timer_stop(0); - set_timer(CMT_TIMER_RESET); - cmt_timer_start(0); - - return 0; -} - -unsigned long long get_ticks(void) -{ - return cmt0_timer; -} - -static vu_long cmcnt = 0; -static unsigned long get_usec (void) -{ - ulong data = readw(CMCNT_0); - - if (data >= cmcnt) - cmcnt = data - cmcnt; - else - cmcnt = (CMT_TIMER_RESET - cmcnt) + data; - - if ((cmt0_timer + cmcnt) > CMT_MAX_COUNTER) - cmt0_timer = ((cmt0_timer + cmcnt) - CMT_MAX_COUNTER); - else - cmt0_timer += cmcnt; - - cmcnt = data; - return cmt0_timer; -} - -/* return msec */ -ulong get_timer(ulong base) -{ - return (get_usec() / 1000) - base; -} - -void set_timer(ulong t) -{ - writew((u16) t, CMCOR_0); -} - -void reset_timer(void) -{ - cmt_timer_stop(0); - set_timer(CMT_TIMER_RESET); - cmt0_timer = 0; - cmt_timer_start(0); -} - -void __udelay(unsigned long usec) -{ - unsigned long end = get_usec() + usec; - - while (get_usec() < end) - continue; -} - -unsigned long get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} |