samsung: Drop s3c24x0 arch-specific code

This is not used anymore. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 0 insertions, 160 deletions

diff --git a/arch/arm/cpu/arm920t/s3c24x0/timer.c b/arch/arm/cpu/arm920t/s3c24x0/timer.c
deleted file mode 100644
index ba1e616b82..0000000000
--- a/arch/arm/cpu/arm920t/s3c24x0/timer.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * 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>
-#ifdef CONFIG_S3C24X0
-
-#include <asm/io.h>
-#include <asm/arch/s3c24x0_cpu.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int timer_init(void)
-{
-	struct s3c24x0_timers *timers = s3c24x0_get_base_timers();
-	ulong tmr;
-
-	/* use PWM Timer 4 because it has no output */
-	/* prescaler for Timer 4 is 16 */
-	writel(0x0f00, &timers->tcfg0);
-	if (gd->arch.tbu == 0) {
-		/*
-		 * for 10 ms clock period @ PCLK with 4 bit divider = 1/2
-		 * (default) and prescaler = 16. Should be 10390
-		 * @33.25MHz and 15625 @ 50 MHz
-		 */
-		gd->arch.tbu = get_PCLK() / (2 * 16 * 100);
-		gd->arch.timer_rate_hz = get_PCLK() / (2 * 16);
-	}
-	/* load value for 10 ms timeout */
-	writel(gd->arch.tbu, &timers->tcntb4);
-	/* auto load, manual update of timer 4 */
-	tmr = (readl(&timers->tcon) & ~0x0700000) | 0x0600000;
-	writel(tmr, &timers->tcon);
-	/* auto load, start timer 4 */
-	tmr = (tmr & ~0x0700000) | 0x0500000;
-	writel(tmr, &timers->tcon);
-	gd->arch.lastinc = 0;
-	gd->arch.tbl = 0;
-
-	return 0;
-}
-
-/*
- * timer without interrupts
- */
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-void __udelay (unsigned long usec)
-{
-	ulong tmo;
-	ulong start = get_ticks();
-
-	tmo = usec / 1000;
-	tmo *= (gd->arch.tbu * 100);
-	tmo /= 1000;
-
-	while ((ulong) (get_ticks() - start) < tmo)
-		/*NOP*/;
-}
-
-ulong get_timer_masked(void)
-{
-	ulong tmr = get_ticks();
-
-	return tmr / (gd->arch.timer_rate_hz / CONFIG_SYS_HZ);
-}
-
-void udelay_masked(unsigned long usec)
-{
-	ulong tmo;
-	ulong endtime;
-	signed long diff;
-
-	if (usec >= 1000) {
-		tmo = usec / 1000;
-		tmo *= (gd->arch.tbu * 100);
-		tmo /= 1000;
-	} else {
-		tmo = usec * (gd->arch.tbu * 100);
-		tmo /= (1000 * 1000);
-	}
-
-	endtime = get_ticks() + tmo;
-
-	do {
-		ulong now = get_ticks();
-		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)
-{
-	struct s3c24x0_timers *timers = s3c24x0_get_base_timers();
-	ulong now = readl(&timers->tcnto4) & 0xffff;
-
-	if (gd->arch.lastinc >= now) {
-		/* normal mode */
-		gd->arch.tbl += gd->arch.lastinc - now;
-	} else {
-		/* we have an overflow ... */
-		gd->arch.tbl += gd->arch.lastinc + gd->arch.tbu - now;
-	}
-	gd->arch.lastinc = now;
-
-	return gd->arch.tbl;
-}
-
-/*
- * 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;
-}
-
-/*
- * reset the cpu by setting up the watchdog timer and let him time out
- */
-void reset_cpu(ulong ignored)
-{
-	struct s3c24x0_watchdog *watchdog;
-
-	watchdog = s3c24x0_get_base_watchdog();
-
-	/* Disable watchdog */
-	writel(0x0000, &watchdog->wtcon);
-
-	/* Initialize watchdog timer count register */
-	writel(0x0001, &watchdog->wtcnt);
-
-	/* Enable watchdog timer; assert reset at timer timeout */
-	writel(0x0021, &watchdog->wtcon);
-
-	while (1)
-		/* loop forever and wait for reset to happen */;
-
-	/*NOTREACHED*/
-}
-
-#endif /* CONFIG_S3C24X0 */