diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-gemini/time.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-gemini/time.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-gemini/time.c b/ANDROID_3.4.5/arch/arm/mach-gemini/time.c deleted file mode 100644 index 21dc5a89..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-gemini/time.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> - * - * 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. - */ -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <mach/hardware.h> -#include <mach/global_reg.h> -#include <asm/mach/time.h> - -/* - * Register definitions for the timers - */ -#define TIMER_COUNT(BASE_ADDR) (BASE_ADDR + 0x00) -#define TIMER_LOAD(BASE_ADDR) (BASE_ADDR + 0x04) -#define TIMER_MATCH1(BASE_ADDR) (BASE_ADDR + 0x08) -#define TIMER_MATCH2(BASE_ADDR) (BASE_ADDR + 0x0C) -#define TIMER_CR(BASE_ADDR) (BASE_ADDR + 0x30) - -#define TIMER_1_CR_ENABLE (1 << 0) -#define TIMER_1_CR_CLOCK (1 << 1) -#define TIMER_1_CR_INT (1 << 2) -#define TIMER_2_CR_ENABLE (1 << 3) -#define TIMER_2_CR_CLOCK (1 << 4) -#define TIMER_2_CR_INT (1 << 5) -#define TIMER_3_CR_ENABLE (1 << 6) -#define TIMER_3_CR_CLOCK (1 << 7) -#define TIMER_3_CR_INT (1 << 8) - -/* - * IRQ handler for the timer - */ -static irqreturn_t gemini_timer_interrupt(int irq, void *dev_id) -{ - timer_tick(); - - return IRQ_HANDLED; -} - -static struct irqaction gemini_timer_irq = { - .name = "Gemini Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, - .handler = gemini_timer_interrupt, -}; - -/* - * Set up timer interrupt, and return the current time in seconds. - */ -void __init gemini_timer_init(void) -{ - unsigned int tick_rate, reg_v; - - reg_v = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE + GLOBAL_STATUS)); - tick_rate = REG_TO_AHB_SPEED(reg_v) * 1000000; - - printk(KERN_INFO "Bus: %dMHz", tick_rate / 1000000); - - tick_rate /= 6; /* APB bus run AHB*(1/6) */ - - switch(reg_v & CPU_AHB_RATIO_MASK) { - case CPU_AHB_1_1: - printk(KERN_CONT "(1/1)\n"); - break; - case CPU_AHB_3_2: - printk(KERN_CONT "(3/2)\n"); - break; - case CPU_AHB_24_13: - printk(KERN_CONT "(24/13)\n"); - break; - case CPU_AHB_2_1: - printk(KERN_CONT "(2/1)\n"); - break; - } - - /* - * Make irqs happen for the system timer - */ - setup_irq(IRQ_TIMER2, &gemini_timer_irq); - /* Start the timer */ - __raw_writel(tick_rate / HZ, TIMER_COUNT(IO_ADDRESS(GEMINI_TIMER2_BASE))); - __raw_writel(tick_rate / HZ, TIMER_LOAD(IO_ADDRESS(GEMINI_TIMER2_BASE))); - __raw_writel(TIMER_2_CR_ENABLE | TIMER_2_CR_INT, TIMER_CR(IO_ADDRESS(GEMINI_TIMER_BASE))); -} |