ARM: omap24xx: remove remainders of dead board

Since Commit 7f5eef93 removed OMAP2420H4 support,
arm1136/omap24xx has not been used at all.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/cpu/arm1136/omap24xx/Makefile

-#
-# (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
-
-#########################################################################

arch/arm/cpu/arm1136/omap24xx/reset.S

-/*
- *  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

arch/arm/cpu/arm1136/omap24xx/timer.c

-/*
- * (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;
-}