1 files changed, 0 insertions, 47 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_rtt.h b/arch/arm/mach-at91/include/mach/at91_rtt.h
deleted file mode 100644
index b4197665dd..0000000000
--- a/arch/arm/mach-at91/include/mach/at91_rtt.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* SPDX-FileCopyrightText: 2007 Andrew Victor */
-/* SPDX-FileCopyrightText: 2007 Atmel Corporation */
-
-/*
- * arch/arm/mach-at91/include/mach/at91_rtt.h
- *
- * Real-time Timer (RTT) - System peripherals regsters.
- * Based on AT91SAM9261 datasheet revision D.
- */
-
-#ifndef AT91_RTT_H
-#define AT91_RTT_H
-
-#include <io.h>
-
-#define AT91_RTT_MR		0x00			/* Real-time Mode Register */
-#define		AT91_RTT_RTPRES		(0xffff << 0)		/* Real-time Timer Prescaler Value */
-#define		AT91_RTT_ALMIEN		(1 << 16)		/* Alarm Interrupt Enable */
-#define		AT91_RTT_RTTINCIEN	(1 << 17)		/* Real Time Timer Increment Interrupt Enable */
-#define		AT91_RTT_RTTRST		(1 << 18)		/* Real Time Timer Restart */
-
-#define AT91_RTT_AR		0x04			/* Real-time Alarm Register */
-#define		AT91_RTT_ALMV		(0xffffffff)		/* Alarm Value */
-
-#define AT91_RTT_VR		0x08			/* Real-time Value Register */
-#define		AT91_RTT_CRTV		(0xffffffff)		/* Current Real-time Value */
-
-#define AT91_RTT_SR		0x0c			/* Real-time Status Register */
-#define		AT91_RTT_ALMS		(1 << 0)		/* Real-time Alarm Status */
-#define		AT91_RTT_RTTINC		(1 << 1)		/* Real-time Timer Increment */
-
-
-/*
- * As the RTT is powered by the backup power so if the interrupt
- * is still on when the kernel start, the kernel will end up with
- * dead lock interrupt that it can not clear. Because the interrupt line is
- * shared with the basic timer (PIT) on AT91_ID_SYS.
- */
-static inline void at91_rtt_irq_fixup(void *base)
-{
-	void __iomem *reg = base + AT91_RTT_MR;
-	u32 mr = readl(reg);
-
-	writel(mr & ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN), reg);
-}
-#endif