summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/arch/m68k/lib/time.c
diff options
context:
space:
mode:
authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/arch/m68k/lib/time.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/arch/m68k/lib/time.c')
-rw-r--r--qemu/roms/u-boot/arch/m68k/lib/time.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/qemu/roms/u-boot/arch/m68k/lib/time.c b/qemu/roms/u-boot/arch/m68k/lib/time.c
deleted file mode 100644
index 31633543e..000000000
--- a/qemu/roms/u-boot/arch/m68k/lib/time.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
- *
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-
-#include <asm/timer.h>
-#include <asm/immap.h>
-#include <watchdog.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static volatile ulong timestamp = 0;
-
-#ifndef CONFIG_SYS_WATCHDOG_FREQ
-#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2)
-#endif
-
-#if defined(CONFIG_MCFTMR)
-#ifndef CONFIG_SYS_UDELAY_BASE
-# error "uDelay base not defined!"
-#endif
-
-#if !defined(CONFIG_SYS_TMR_BASE) || !defined(CONFIG_SYS_INTR_BASE) || !defined(CONFIG_SYS_TMRINTR_NO) || !defined(CONFIG_SYS_TMRINTR_MASK)
-# error "TMR_BASE, INTR_BASE, TMRINTR_NO or TMRINTR_MASk not defined!"
-#endif
-extern void dtimer_intr_setup(void);
-
-void __udelay(unsigned long usec)
-{
- volatile dtmr_t *timerp = (dtmr_t *) (CONFIG_SYS_UDELAY_BASE);
- uint start, now, tmp;
-
- while (usec > 0) {
- if (usec > 65000)
- tmp = 65000;
- else
- tmp = usec;
- usec = usec - tmp;
-
- /* Set up TIMER 3 as timebase clock */
- timerp->tmr = DTIM_DTMR_RST_RST;
- timerp->tcn = 0;
- /* set period to 1 us */
- timerp->tmr =
- CONFIG_SYS_TIMER_PRESCALER | DTIM_DTMR_CLK_DIV1 | DTIM_DTMR_FRR |
- DTIM_DTMR_RST_EN;
-
- start = now = timerp->tcn;
- while (now < start + tmp)
- now = timerp->tcn;
- }
-}
-
-void dtimer_interrupt(void *not_used)
-{
- volatile dtmr_t *timerp = (dtmr_t *) (CONFIG_SYS_TMR_BASE);
-
- /* check for timer interrupt asserted */
- if ((CONFIG_SYS_TMRPND_REG & CONFIG_SYS_TMRINTR_MASK) == CONFIG_SYS_TMRINTR_PEND) {
- timerp->ter = (DTIM_DTER_CAP | DTIM_DTER_REF);
- timestamp++;
-
- #if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
- if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0) {
- WATCHDOG_RESET ();
- }
- #endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
- return;
- }
-}
-
-int timer_init(void)
-{
- volatile dtmr_t *timerp = (dtmr_t *) (CONFIG_SYS_TMR_BASE);
-
- timestamp = 0;
-
- timerp->tcn = 0;
- timerp->trr = 0;
-
- /* Set up TIMER 4 as clock */
- timerp->tmr = DTIM_DTMR_RST_RST;
-
- /* initialize and enable timer interrupt */
- irq_install_handler(CONFIG_SYS_TMRINTR_NO, dtimer_interrupt, 0);
-
- timerp->tcn = 0;
- timerp->trr = 1000; /* Interrupt every ms */
-
- dtimer_intr_setup();
-
- /* set a period of 1us, set timer mode to restart and enable timer and interrupt */
- timerp->tmr = CONFIG_SYS_TIMER_PRESCALER | DTIM_DTMR_CLK_DIV1 |
- DTIM_DTMR_FRR | DTIM_DTMR_ORRI | DTIM_DTMR_RST_EN;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- return (timestamp - base);
-}
-
-#endif /* CONFIG_MCFTMR */
-
-#if defined(CONFIG_MCFPIT)
-#if !defined(CONFIG_SYS_PIT_BASE)
-# error "CONFIG_SYS_PIT_BASE not defined!"
-#endif
-
-static unsigned short lastinc;
-
-void __udelay(unsigned long usec)
-{
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_UDELAY_BASE);
- uint tmp;
-
- while (usec > 0) {
- if (usec > 65000)
- tmp = 65000;
- else
- tmp = usec;
- usec = usec - tmp;
-
- /* Set up TIMER 3 as timebase clock */
- timerp->pcsr = PIT_PCSR_OVW;
- timerp->pmr = 0;
- /* set period to 1 us */
- timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
- timerp->pmr = tmp;
- while (timerp->pcntr > 0) ;
- }
-}
-
-void timer_init(void)
-{
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
- timestamp = 0;
-
- /* Set up TIMER 4 as poll clock */
- timerp->pcsr = PIT_PCSR_OVW;
- timerp->pmr = lastinc = 0;
- timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- unsigned short now, diff;
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
-
- now = timerp->pcntr;
- diff = -(now - lastinc);
-
- timestamp += diff;
- lastinc = now;
- return timestamp - base;
-}
-
-void wait_ticks(unsigned long ticks)
-{
- u32 start = get_timer(0);
- while (get_timer(start) < ticks) ;
-}
-#endif /* CONFIG_MCFPIT */
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On M68K it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-unsigned long usec2ticks(unsigned long usec)
-{
- return get_timer(usec);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On M68K it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- ulong tbclk;
- tbclk = CONFIG_SYS_HZ;
- return tbclk;
-}