arm: Introduce arch/arm/mach-omap2 for OMAP2 derivative platforms

[u-boot] / arch / arm / cpu / armv7 / omap-common / timer.c

diff --git a/arch/arm/cpu/armv7/omap-common/timer.c b/arch/arm/cpu/armv7/omap-common/timer.c
deleted file mode 100644 (file)
index 49e3a97..0000000
--- a/arch/arm/cpu/armv7/omap-common/timer.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * (C) Copyright 2008
- * Texas Instruments
- *
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Moahmmed Khasim <khasim@ti.com>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/clock.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
-
-/*
- * Nothing really to do with interrupts, just starts up a counter.
- */
-
-#define TIMER_CLOCK            (V_SCLK / (2 << CONFIG_SYS_PTV))
-#define TIMER_OVERFLOW_VAL     0xffffffff
-#define TIMER_LOAD_VAL         0
-
-int timer_init(void)
-{
-       /* start the counter ticking up, reload value on overflow */
-       writel(TIMER_LOAD_VAL, &timer_base->tldr);
-       /* enable timer */
-       writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
-               &timer_base->tclr);
-
-       return 0;
-}
-
-/*
- * timer without interrupts
- */
-ulong get_timer(ulong base)
-{
-       return get_timer_masked() - base;
-}
-
-/* delay x useconds */
-void __udelay(unsigned long usec)
-{
-       long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
-       unsigned long now, last = readl(&timer_base->tcrr);
-
-       while (tmo > 0) {
-               now = readl(&timer_base->tcrr);
-               if (last > now) /* count up timer overflow */
-                       tmo -= TIMER_OVERFLOW_VAL - last + now + 1;
-               else
-                       tmo -= now - last;
-               last = now;
-       }
-}
-
-ulong get_timer_masked(void)
-{
-       /* current tick value */
-       ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-
-       if (now >= gd->arch.lastinc) {  /* normal mode (non roll) */
-               /* move stamp fordward with absoulte diff ticks */
-               gd->arch.tbl += (now - gd->arch.lastinc);
-       } else {        /* we have rollover of incrementer */
-               gd->arch.tbl += ((TIMER_OVERFLOW_VAL / (TIMER_CLOCK /
-                               CONFIG_SYS_HZ)) - gd->arch.lastinc) + now;
-       }
-       gd->arch.lastinc = now;
-       return gd->arch.tbl;
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
-       return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
-       return CONFIG_SYS_HZ;
-}