OpenRISC: Remove

The OpenRISC architecture is currently unmaintained, remove.

Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 0 insertions, 98 deletions

diff --git a/arch/openrisc/lib/timer.c b/arch/openrisc/lib/timer.c
deleted file mode 100644
index db8ddbdba5..0000000000
--- a/arch/openrisc/lib/timer.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
- * (C) Copyright 2011, Julius Baxter <julius@opencores.org>
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/system.h>
-#include <asm/openrisc_exc.h>
-
-static ulong timestamp;
-
-/* how many counter cycles in a jiffy */
-#define TIMER_COUNTER_CYCLES  (CONFIG_SYS_CLK_FREQ/CONFIG_SYS_OPENRISC_TMR_HZ)
-/* how many ms elapses between each timer interrupt */
-#define TIMER_TIMESTAMP_INC   (1000/CONFIG_SYS_OPENRISC_TMR_HZ)
-/* how many cycles per ms */
-#define TIMER_CYCLES_MS       (CONFIG_SYS_CLK_FREQ/1000)
-/* how many cycles per us */
-#define TIMER_CYCLES_US       (CONFIG_SYS_CLK_FREQ/1000000uL)
-
-void timer_isr(void)
-{
-	timestamp += TIMER_TIMESTAMP_INC;
-	mtspr(SPR_TTMR, SPR_TTMR_IE | SPR_TTMR_RT |
-		(TIMER_COUNTER_CYCLES & SPR_TTMR_TP));
-}
-
-int timer_init(void)
-{
-	/* Install timer exception handler */
-	exception_install_handler(EXC_TIMER, timer_isr);
-
-	/* Set up the timer for the first expiration. */
-	timestamp = 0;
-
-	mtspr(SPR_TTMR, SPR_TTMR_IE | SPR_TTMR_RT |
-		(TIMER_COUNTER_CYCLES & SPR_TTMR_TP));
-
-	/* Enable tick timer exception in supervisor register */
-	mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_TEE);
-
-	return 0;
-}
-
-void reset_timer(void)
-{
-	timestamp = 0;
-
-	mtspr(SPR_TTMR, SPR_TTMR_IE | SPR_TTMR_RT |
-		(TIMER_COUNTER_CYCLES & SPR_TTMR_TP));
-}
-
-/*
- * The timer value in ms is calculated by taking the
- * value accumulated by full timer revolutions plus the value
- * accumulated in this period
- */
-ulong get_timer(ulong base)
-{
-	return timestamp + mfspr(SPR_TTCR)/TIMER_CYCLES_MS - base;
-}
-
-void set_timer(ulong t)
-{
-	reset_timer();
-	timestamp = t;
-}
-
-unsigned long long get_ticks(void)
-{
-	return get_timer(0);
-}
-
-ulong get_tbclk(void)
-{
-	return CONFIG_SYS_HZ;
-}
-
-void __udelay(ulong usec)
-{
-	ulong elapsed = 0;
-	ulong tick;
-	ulong last_tick;
-
-	last_tick = mfspr(SPR_TTCR);
-	while ((elapsed / TIMER_CYCLES_US) < usec) {
-		tick = mfspr(SPR_TTCR);
-		if (tick >= last_tick)
-			elapsed += (tick - last_tick);
-		else
-			elapsed += TIMER_COUNTER_CYCLES - (last_tick - tick);
-		last_tick = tick;
-	}
-}