# Makefile for the linux kernel.
#
-obj-y := common.o setup.o irq.o time.o
+obj-y := common.o setup.o irq.o
obj-m :=
obj-n :=
obj- :=
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
#include <asm/hardware/iop3xx.h>
#define IOP321_UART_XTAL 1843200
#ifdef CONFIG_ARCH_IQ80321
extern void iq80321_map_io(void);
-extern struct sys_timer iop321_timer;
-extern void iop321_init_time(void);
#endif
#ifdef CONFIG_ARCH_IQ31244
extern void iq31244_map_io(void);
-extern struct sys_timer iop321_timer;
-extern void iop321_init_time(void);
#endif
+static void __init iop3xx_timer_init(void)
+{
+ iop3xx_init_time(IOP321_TICK_RATE);
+}
+
+struct sys_timer iop321_timer = {
+ .init = iop3xx_timer_init,
+ .offset = iop3xx_gettimeoffset,
+};
+
#if defined(CONFIG_ARCH_IQ80321)
MACHINE_START(IQ80321, "Intel IQ80321")
/* Maintainer: Intel Corporation */
+++ /dev/null
-/*
- * arch/arm/mach-iop32x/time.c
- *
- * Timer code for IOP321 based systems
- *
- * Author: Deepak Saxena <dsaxena@mvista.com>
- *
- * Copyright 2002-2003 MontaVista Software Inc.
- *
- * 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/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/init.h>
-#include <linux/timex.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-
-#define IOP321_TIME_SYNC 0
-
-static inline unsigned long get_elapsed(void)
-{
- return LATCH - *IOP321_TU_TCR0;
-}
-
-static unsigned long iop321_gettimeoffset(void)
-{
- unsigned long elapsed, usec;
- u32 tisr1, tisr2;
-
- /*
- * If an interrupt was pending before we read the timer,
- * we've already wrapped. Factor this into the time.
- * If an interrupt was pending after we read the timer,
- * it may have wrapped between checking the interrupt
- * status and reading the timer. Re-read the timer to
- * be sure its value is after the wrap.
- */
-
- asm volatile("mrc p6, 0, %0, c6, c1, 0" : "=r" (tisr1));
- elapsed = get_elapsed();
- asm volatile("mrc p6, 0, %0, c6, c1, 0" : "=r" (tisr2));
-
- if(tisr1 & 1)
- elapsed += LATCH;
- else if (tisr2 & 1)
- elapsed = LATCH + get_elapsed();
-
- /*
- * Now convert them to usec.
- */
- usec = (unsigned long)(elapsed / (CLOCK_TICK_RATE/1000000));
-
- return usec;
-}
-
-static irqreturn_t
-iop321_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
- u32 tisr;
-
- write_seqlock(&xtime_lock);
-
- asm volatile("mrc p6, 0, %0, c6, c1, 0" : "=r" (tisr));
- tisr |= 1;
- asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (tisr));
-
- timer_tick(regs);
-
- write_sequnlock(&xtime_lock);
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction iop321_timer_irq = {
- .name = "IOP321 Timer Tick",
- .handler = iop321_timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_TIMER,
-};
-
-static void __init iop321_timer_init(void)
-{
- u32 timer_ctl;
-
- setup_irq(IRQ_IOP321_TIMER0, &iop321_timer_irq);
-
- timer_ctl = IOP321_TMR_EN | IOP321_TMR_PRIVILEGED | IOP321_TMR_RELOAD |
- IOP321_TMR_RATIO_1_1;
-
- asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (LATCH));
-
- asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (timer_ctl));
-}
-
-struct sys_timer iop321_timer = {
- .init = &iop321_timer_init,
- .offset = iop321_gettimeoffset,
-};
# Makefile for the linux kernel.
#
-obj-y := setup.o irq.o time.o
+obj-y := setup.o irq.o
obj-m :=
obj-n :=
obj- :=
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
#include <asm/hardware/iop3xx.h>
#define IOP331_UART_XTAL 33334000
#ifdef CONFIG_ARCH_IOP33X
extern void iop331_init_irq(void);
-extern struct sys_timer iop331_timer;
#endif
+static void __init iop3xx_timer_init(void)
+{
+ iop3xx_init_time(IOP331_TICK_RATE);
+}
+
+struct sys_timer iop331_timer = {
+ .init = iop3xx_timer_init,
+ .offset = iop3xx_gettimeoffset,
+};
+
#if defined(CONFIG_ARCH_IQ80331)
MACHINE_START(IQ80331, "Intel IQ80331")
/* Maintainer: Intel Corp. */
+++ /dev/null
-/*
- * arch/arm/mach-iop33x/time.c
- *
- * Timer code for IOP331 based systems
- *
- * Author: Dave Jiang <dave.jiang@intel.com>
- *
- * Copyright 2003 Intel Corp.
- *
- * 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/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/init.h>
-#include <linux/timex.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-
-static inline unsigned long get_elapsed(void)
-{
- return LATCH - *IOP331_TU_TCR0;
-}
-
-static unsigned long iop331_gettimeoffset(void)
-{
- unsigned long elapsed, usec;
- u32 tisr1, tisr2;
-
- /*
- * If an interrupt was pending before we read the timer,
- * we've already wrapped. Factor this into the time.
- * If an interrupt was pending after we read the timer,
- * it may have wrapped between checking the interrupt
- * status and reading the timer. Re-read the timer to
- * be sure its value is after the wrap.
- */
-
- asm volatile("mrc p6, 0, %0, c6, c1, 0" : "=r" (tisr1));
- elapsed = get_elapsed();
- asm volatile("mrc p6, 0, %0, c6, c1, 0" : "=r" (tisr2));
-
- if(tisr1 & 1)
- elapsed += LATCH;
- else if (tisr2 & 1)
- elapsed = LATCH + get_elapsed();
-
- /*
- * Now convert them to usec.
- */
- usec = (unsigned long)(elapsed / (CLOCK_TICK_RATE/1000000));
-
- return usec;
-}
-
-static irqreturn_t
-iop331_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
- u32 tisr;
-
- write_seqlock(&xtime_lock);
-
- asm volatile("mrc p6, 0, %0, c6, c1, 0" : "=r" (tisr));
- tisr |= 1;
- asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (tisr));
-
- timer_tick(regs);
-
- write_sequnlock(&xtime_lock);
- return IRQ_HANDLED;
-}
-
-static struct irqaction iop331_timer_irq = {
- .name = "IOP331 Timer Tick",
- .handler = iop331_timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_TIMER,
-};
-
-static void __init iop331_timer_init(void)
-{
- u32 timer_ctl;
-
- setup_irq(IRQ_IOP331_TIMER0, &iop331_timer_irq);
-
- timer_ctl = IOP331_TMR_EN | IOP331_TMR_PRIVILEGED | IOP331_TMR_RELOAD |
- IOP331_TMR_RATIO_1_1;
-
- asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (LATCH));
-
- asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (timer_ctl));
-
-}
-
-struct sys_timer iop331_timer = {
- .init = iop331_timer_init,
- .offset = iop331_gettimeoffset,
-};
#define IOP321_FINTSRC (volatile u32 *)IOP321_REG_ADDR(0x000007DC)
/* Timers */
-
-#define IOP321_TU_TMR0 (volatile u32 *)IOP321_REG_ADDR(0x000007E0)
-#define IOP321_TU_TMR1 (volatile u32 *)IOP321_REG_ADDR(0x000007E4)
-
#ifdef CONFIG_ARCH_IQ80321
#define IOP321_TICK_RATE 200000000 /* 200 MHz clock */
#elif defined(CONFIG_ARCH_IQ31244)
#define IOP321_TICK_RATE 200000000 /* 33.333333 Mhz crystal */
#endif
-#define IOP321_TMR_TC 0x01
-#define IOP321_TMR_EN 0x02
-#define IOP321_TMR_RELOAD 0x04
-#define IOP321_TMR_PRIVILEGED 0x09
-
-#define IOP321_TMR_RATIO_1_1 0x00
-#define IOP321_TMR_RATIO_4_1 0x10
-#define IOP321_TMR_RATIO_8_1 0x20
-#define IOP321_TMR_RATIO_16_1 0x30
-
-#define IOP321_TU_TCR0 (volatile u32 *)IOP321_REG_ADDR(0x000007E8)
-#define IOP321_TU_TCR1 (volatile u32 *)IOP321_REG_ADDR(0x000007EC)
-#define IOP321_TU_TRR0 (volatile u32 *)IOP321_REG_ADDR(0x000007F0)
-#define IOP321_TU_TRR1 (volatile u32 *)IOP321_REG_ADDR(0x000007F4)
-#define IOP321_TU_TISR (volatile u32 *)IOP321_REG_ADDR(0x000007F8)
-#define IOP321_TU_WDTCR (volatile u32 *)IOP321_REG_ADDR(0x000007FC)
-
/* Application accelerator unit 0x00000800 - 0x000008FF */
#define IOP321_AAU_ACR (volatile u32 *)IOP321_REG_ADDR(0x00000800)
#define IOP321_AAU_ASR (volatile u32 *)IOP321_REG_ADDR(0x00000804)
*/
#include <asm/hardware.h>
-#define CLOCK_TICK_RATE IOP321_TICK_RATE
+#define CLOCK_TICK_RATE (100 * HZ)
/* Timers */
-
-#define IOP331_TU_TMR0 (volatile u32 *)IOP331_REG_ADDR(0x000007D0)
-#define IOP331_TU_TMR1 (volatile u32 *)IOP331_REG_ADDR(0x000007D4)
-
-#define IOP331_TMR_TC 0x01
-#define IOP331_TMR_EN 0x02
-#define IOP331_TMR_RELOAD 0x04
-#define IOP331_TMR_PRIVILEGED 0x09
-
-#define IOP331_TMR_RATIO_1_1 0x00
-#define IOP331_TMR_RATIO_4_1 0x10
-#define IOP331_TMR_RATIO_8_1 0x20
-#define IOP331_TMR_RATIO_16_1 0x30
-
-#define IOP331_TU_TCR0 (volatile u32 *)IOP331_REG_ADDR(0x000007D8)
-#define IOP331_TU_TCR1 (volatile u32 *)IOP331_REG_ADDR(0x000007DC)
-#define IOP331_TU_TRR0 (volatile u32 *)IOP331_REG_ADDR(0x000007E0)
-#define IOP331_TU_TRR1 (volatile u32 *)IOP331_REG_ADDR(0x000007E4)
-#define IOP331_TU_TISR (volatile u32 *)IOP331_REG_ADDR(0x000007E8)
-#define IOP331_TU_WDTCR (volatile u32 *)IOP331_REG_ADDR(0x000007EC)
-
#if defined(CONFIG_ARCH_IOP33X)
#define IOP331_TICK_RATE 266000000 /* 266 MHz IB clock */
#endif
*/
#include <asm/hardware.h>
-#define CLOCK_TICK_RATE IOP331_TICK_RATE
+#define CLOCK_TICK_RATE (100 * HZ)
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff