+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).o
-
-SOBJS = reset.o
-
-COBJS = timer.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * armboot - Startup Code for OMP2420/ARM1136 CPU-core
- *
- * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
- *
- * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
- * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
- * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
- * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
- * Copyright (c) 2003 Kshitij <kshitij@ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <asm/arch/omap2420.h>
-
-.globl reset_cpu
-reset_cpu:
- ldr r1, rstctl /* get addr for global reset reg */
- mov r3, #0x2 /* full reset pll+mpu */
- str r3, [r1] /* force reset */
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PM_RSTCTRL_WKUP
+++ /dev/null
-/*
- * (C) Copyright 2004
- * Texas Instruments
- * Richard Woodruff <r-woodruff2@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/bits.h>
-#include <asm/arch/omap2420.h>
-
-#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV))
-#define TIMER_LOAD_VAL 0
-
-/* macro to read the 32 bit timer */
-#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+TCRR) \
- / (TIMER_CLOCK / CONFIG_SYS_HZ)
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int timer_init (void)
-{
- int32_t val;
-
- /* Start the counter ticking up */
- *((int32_t *) (CONFIG_SYS_TIMERBASE + TLDR)) = TIMER_LOAD_VAL; /* reload value on overflow*/
- val = (CONFIG_SYS_PTV << 2) | BIT5 | BIT1 | BIT0; /* mask to enable timer*/
- *((int32_t *) (CONFIG_SYS_TIMERBASE + TCLR)) = val; /* start timer */
-
- /* reset time */
- gd->arch.lastinc = READ_TIMER; /* capture current incrementer value */
- gd->arch.tbl = 0; /* start "advancing" time stamp */
-
- return(0);
-}
-/*
- * timer without interrupts
- */
-ulong get_timer (ulong base)
-{
- return get_timer_masked () - base;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay (unsigned long usec)
-{
- ulong tmo, tmp;
-
- if (usec >= 1000) { /* if "big" number, spread normalization to seconds */
- tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
- tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */
- tmo /= 1000; /* finish normalize. */
- } else { /* else small number, don't kill it prior to HZ multiply */
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*1000);
- }
-
- tmp = get_timer (0); /* get current timestamp */
- if ((tmo + tmp + 1) < tmp) { /* if setting this forward will roll */
- /* time stamp, then reset time */
- gd->arch.lastinc = READ_TIMER; /* capture incrementer value */
- gd->arch.tbl = 0; /* start time stamp */
- } else {
- tmo += tmp; /* else, set advancing stamp wake up time */
- }
- while (get_timer_masked () < tmo)/* loop till event */
- /*NOP*/;
-}
-
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER; /* current tick value */
-
- 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 += ((0xFFFFFFFF / (TIMER_CLOCK / CONFIG_SYS_HZ))
- - gd->arch.lastinc) + now;
- }
- gd->arch.lastinc = now;
- return gd->arch.tbl;
-}
-
-/* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
-{
- ulong tmo;
- ulong endtime;
- signed long diff;
-
- if (usec >= 1000) { /* if "big" number, spread normalization to seconds */
- tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
- tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */
- tmo /= 1000; /* finish normalize. */
- } else { /* else small number, don't kill it prior to HZ multiply */
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*1000);
- }
- endtime = get_timer_masked () + tmo;
-
- do {
- ulong now = get_timer_masked ();
- diff = endtime - now;
- } while (diff >= 0);
-}
-
-/*
- * 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)
-{
- ulong tbclk;
- tbclk = CONFIG_SYS_HZ;
- return tbclk;
-}
projects / u-boot.git / commitdiff