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-rw-r--r--arch/arm/cpu/s3c44b0/timer.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/arm/cpu/s3c44b0/timer.c b/arch/arm/cpu/s3c44b0/timer.c
deleted file mode 100644
index f25af7a390..0000000000
--- a/arch/arm/cpu/s3c44b0/timer.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * (C) Copyright 2004
- * DAVE Srl
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/hardware.h>
-
-/* we always count down the max. */
-#define TIMER_LOAD_VAL 0xffff
-
-/* macro to read the 16 bit timer */
-#define READ_TIMER (TCNTO1 & 0xffff)
-
-#ifdef CONFIG_USE_IRQ
-#error CONFIG_USE_IRQ NOT supported
-#endif
-
-static ulong timestamp;
-static ulong lastdec;
-
-int timer_init (void)
-{
- TCFG0 = 0x000000E9;
- TCFG1 = 0x00000004;
- TCON = 0x00000900;
- TCNTB1 = TIMER_LOAD_VAL;
- TCMPB1 = 0;
- TCON = 0x00000B00;
- TCON = 0x00000900;
-
-
- lastdec = TCNTB1 = TIMER_LOAD_VAL;
- timestamp = 0;
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-ulong get_timer (ulong base)
-{
- return get_timer_masked () - base;
-}
-
-void __udelay (unsigned long usec)
-{
- ulong tmo;
-
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 8;
-
- tmo += get_timer (0);
-
- while (get_timer_masked () < tmo)
- /*NOP*/;
-}
-
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER;
-
- if (lastdec >= now) {
- /* normal mode */
- timestamp += lastdec - now;
- } else {
- /* we have an overflow ... */
- timestamp += lastdec + TIMER_LOAD_VAL - now;
- }
- lastdec = now;
-
- return timestamp;
-}
-
-void udelay_masked (unsigned long usec)
-{
- ulong tmo;
- ulong endtime;
- signed long diff;
-
- if (usec >= 1000) {
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 8;
- } else {
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*8);
- }
-
- endtime = get_timer(0) + tmo;
-
- do {
- ulong now = get_timer_masked ();
- diff = endtime - now;
- } while (diff >= 0);
-}