diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-11-05 18:38:32 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-11-17 18:09:30 +0100 |
commit | 3a083227a45cbbf5d29e6fe7c093af9e09905d4d (patch) | |
tree | 55c13a45961ffad90a4b15c2e1919c19bf3ed8ae /arch/arm/mach-clps711x/time.c | |
parent | ARM: 7159/1: OMAP: Introduce local common.h files (diff) | |
download | linux-3a083227a45cbbf5d29e6fe7c093af9e09905d4d.tar.xz linux-3a083227a45cbbf5d29e6fe7c093af9e09905d4d.zip |
ARM: clps711x: consolidate irq/mm/time code into a single file
The separate files for clps711x which contain maybe one or two data
structures or functions is an inefficient use of files, and encourages
further small files as other changes happen. Collapse down these into
a single core.c file.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-clps711x/time.c')
-rw-r--r-- | arch/arm/mach-clps711x/time.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c deleted file mode 100644 index d581ef0bcd24..000000000000 --- a/arch/arm/mach-clps711x/time.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * linux/arch/arm/mach-clps711x/time.c - * - * Copyright (C) 2001 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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 <linux/timex.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/sched.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/leds.h> -#include <asm/hardware/clps7111.h> - -#include <asm/mach/time.h> - - -/* - * gettimeoffset() returns time since last timer tick, in usecs. - * - * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy. - * 'tick' is usecs per jiffy. - */ -static unsigned long clps711x_gettimeoffset(void) -{ - unsigned long hwticks; - hwticks = LATCH - (clps_readl(TC2D) & 0xffff); /* since last underflow */ - return (hwticks * (tick_nsec / 1000)) / LATCH; -} - -/* - * IRQ handler for the timer - */ -static irqreturn_t -p720t_timer_interrupt(int irq, void *dev_id) -{ - timer_tick(); - return IRQ_HANDLED; -} - -static struct irqaction clps711x_timer_irq = { - .name = "CLPS711x Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = p720t_timer_interrupt, -}; - -static void __init clps711x_timer_init(void) -{ - struct timespec tv; - unsigned int syscon; - - syscon = clps_readl(SYSCON1); - syscon |= SYSCON1_TC2S | SYSCON1_TC2M; - clps_writel(syscon, SYSCON1); - - clps_writel(LATCH-1, TC2D); /* 512kHz / 100Hz - 1 */ - - setup_irq(IRQ_TC2OI, &clps711x_timer_irq); - - tv.tv_nsec = 0; - tv.tv_sec = clps_readl(RTCDR); - do_settimeofday(&tv); -} - -struct sys_timer clps711x_timer = { - .init = clps711x_timer_init, - .offset = clps711x_gettimeoffset, -}; |