diff options
author | Wolfgang Denk <wd@denx.de> | 2008-04-11 15:11:26 +0200 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2008-04-11 15:11:26 +0200 |
commit | 950a392464e616b4590bc4501be46e2d7d162dea (patch) | |
tree | e33be5df8d39072af358f9e1febad383714cccc7 /cpu/arm1136/mx31/interrupts.c | |
parent | aeff6d503b6006573d5c6b04fc658a64bebee5fa (diff) | |
download | u-boot-imx-950a392464e616b4590bc4501be46e2d7d162dea.zip u-boot-imx-950a392464e616b4590bc4501be46e2d7d162dea.tar.gz u-boot-imx-950a392464e616b4590bc4501be46e2d7d162dea.tar.bz2 |
Revert merge of git://www.denx.de/git/u-boot-arm, commit 62479b18:
Reverting became necessary after it turned out that the patches in
the u-boot-arm repo were modified, and in some cases corrupted.
This reverts the following commits:
066bebd6353e33af3adefc3404560871699e9961
7a837b7310166ae8fc8b8d66d7ef01b60a80f9d6
c88ae20580b2b01487b4cdcc8b2a113f551aee36
a147e56f03871bba4f05058d5e04ce7deb010b04
d6674e0e2a6a1f033945f78838566210d3f28c95
8c8463cce44d849e37744749b32d38e1dfb12e50
c98b47ad24b2d91f41c09a3d62d7f70ad84f4b7d
8bf69d81782619187933a605f1a95ee1d069478d
8c16cb0d3b971f46fbe77c072664c0f2dcd4471d
a574a73852a527779234e73e17e7597fd8128882
1377b5583a48021d983e1fd565f7d40c89e84d63
1704dc20917b4f71e373e2c888497ee666d40380
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'cpu/arm1136/mx31/interrupts.c')
-rw-r--r-- | cpu/arm1136/mx31/interrupts.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/cpu/arm1136/mx31/interrupts.c b/cpu/arm1136/mx31/interrupts.c deleted file mode 100644 index 189f601..0000000 --- a/cpu/arm1136/mx31/interrupts.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * 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/arch/mx31-regs.h> - -#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */ - -/* General purpose timers registers */ -#define GPTCR __REG(TIMER_BASE) /* Control register */ -#define GPTPR __REG(TIMER_BASE + 0x4) /* Prescaler register */ -#define GPTSR __REG(TIMER_BASE + 0x8) /* Status register */ -#define GPTCNT __REG(TIMER_BASE + 0x24) /* Counter register */ - -/* General purpose timers bitfields */ -#define GPTCR_SWR (1<<15) /* Software reset */ -#define GPTCR_FRR (1<<9) /* Freerun / restart */ -#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */ -#define GPTCR_TEN (1) /* Timer enable */ - -/* - * nothing really to do with interrupts, just starts up a counter. - */ -int interrupt_init(void) -{ - int i; - - /* setup GP Timer 1 */ - GPTCR = GPTCR_SWR; - for (i = 0; i < 100; i++) GPTCR = 0; /* We have no udelay by now */ - GPTPR = 0; /* 32Khz */ - /* Freerun Mode, PERCLK1 input */ - GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN; - - return 0; -} - -void reset_timer_masked(void) -{ - GPTCR = 0; - /* Freerun Mode, PERCLK1 input*/ - GPTCR = GPTCR_CLKSOURCE_32 | GPTCR_TEN; -} - -ulong get_timer_masked(void) -{ - ulong val = GPTCNT; - return val; -} - -ulong get_timer(ulong base) -{ - return get_timer_masked() - base; -} - -void set_timer(ulong t) -{ -} - -/* delay x useconds AND perserve advance timstamp value */ -void udelay(unsigned long usec) -{ - ulong tmo, tmp; - - 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); - } - - tmp = get_timer(0); /* get current timestamp */ - if ((tmo + tmp + 1) < tmp) - /* setting this forward will roll time stamp */ - /* reset "advancing" timestamp to 0, set lastinc value */ - reset_timer_masked(); - else - /* else, set advancing stamp wake up time */ - tmo += tmp; - while (get_timer_masked() < tmo)/* loop till event */ - /*NOP*/; -} - -void reset_cpu(ulong addr) -{ - __REG16(WDOG_BASE) = 4; -} |