1 files changed, 0 insertions, 118 deletions
diff --git a/arch/metag/kernel/core_reg.c b/arch/metag/kernel/core_reg.c
deleted file mode 100644
index df2833f2766f..000000000000
--- a/arch/metag/kernel/core_reg.c
+++ /dev/null
@@ -1,118 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  Support for reading and writing Meta core internal registers.
- *
- *  Copyright (C) 2011 Imagination Technologies Ltd.
- *
- */
-
-#include <linux/delay.h>
-#include <linux/export.h>
-
-#include <asm/core_reg.h>
-#include <asm/global_lock.h>
-#include <asm/hwthread.h>
-#include <asm/io.h>
-#include <asm/metag_mem.h>
-#include <asm/metag_regs.h>
-
-#define UNIT_BIT_MASK		TXUXXRXRQ_UXX_BITS
-#define REG_BIT_MASK		TXUXXRXRQ_RX_BITS
-#define THREAD_BIT_MASK		TXUXXRXRQ_TX_BITS
-
-#define UNIT_SHIFTS		TXUXXRXRQ_UXX_S
-#define REG_SHIFTS		TXUXXRXRQ_RX_S
-#define THREAD_SHIFTS		TXUXXRXRQ_TX_S
-
-#define UNIT_VAL(x)		(((x) << UNIT_SHIFTS) & UNIT_BIT_MASK)
-#define REG_VAL(x)		(((x) << REG_SHIFTS) & REG_BIT_MASK)
-#define THREAD_VAL(x)		(((x) << THREAD_SHIFTS) & THREAD_BIT_MASK)
-
-/*
- * core_reg_write() - modify the content of a register in a core unit.
- * @unit:	The unit to be modified.
- * @reg:	Register number within the unit.
- * @thread:	The thread we want to access.
- * @val:	The new value to write.
- *
- * Check asm/metag_regs.h for a list/defines of supported units (ie: TXUPC_ID,
- * TXUTR_ID, etc), and regnums within the units (ie: TXMASKI_REGNUM,
- * TXPOLLI_REGNUM, etc).
- */
-void core_reg_write(int unit, int reg, int thread, unsigned int val)
-{
-	unsigned long flags;
-
-	/* TXUCT_ID has its own memory mapped registers */
-	if (unit == TXUCT_ID) {
-		void __iomem *cu_reg = __CU_addr(thread, reg);
-		metag_out32(val, cu_reg);
-		return;
-	}
-
-	__global_lock2(flags);
-
-	/* wait for ready */
-	while (!(metag_in32(TXUXXRXRQ) & TXUXXRXRQ_DREADY_BIT))
-		udelay(10);
-
-	/* set the value to write */
-	metag_out32(val, TXUXXRXDT);
-
-	/* set the register to write */
-	val = UNIT_VAL(unit) | REG_VAL(reg) | THREAD_VAL(thread);
-	metag_out32(val, TXUXXRXRQ);
-
-	/* wait for finish */
-	while (!(metag_in32(TXUXXRXRQ) & TXUXXRXRQ_DREADY_BIT))
-		udelay(10);
-
-	__global_unlock2(flags);
-}
-EXPORT_SYMBOL(core_reg_write);
-
-/*
- * core_reg_read() - read the content of a register in a core unit.
- * @unit:	The unit to be modified.
- * @reg:	Register number within the unit.
- * @thread:	The thread we want to access.
- *
- * Check asm/metag_regs.h for a list/defines of supported units (ie: TXUPC_ID,
- * TXUTR_ID, etc), and regnums within the units (ie: TXMASKI_REGNUM,
- * TXPOLLI_REGNUM, etc).
- */
-unsigned int core_reg_read(int unit, int reg, int thread)
-{
-	unsigned long flags;
-	unsigned int val;
-
-	/* TXUCT_ID has its own memory mapped registers */
-	if (unit == TXUCT_ID) {
-		void __iomem *cu_reg = __CU_addr(thread, reg);
-		val = metag_in32(cu_reg);
-		return val;
-	}
-
-	__global_lock2(flags);
-
-	/* wait for ready */
-	while (!(metag_in32(TXUXXRXRQ) & TXUXXRXRQ_DREADY_BIT))
-		udelay(10);
-
-	/* set the register to read */
-	val = (UNIT_VAL(unit) | REG_VAL(reg) | THREAD_VAL(thread) |
-							TXUXXRXRQ_RDnWR_BIT);
-	metag_out32(val, TXUXXRXRQ);
-
-	/* wait for finish */
-	while (!(metag_in32(TXUXXRXRQ) & TXUXXRXRQ_DREADY_BIT))
-		udelay(10);
-
-	/* read the register value */
-	val = metag_in32(TXUXXRXDT);
-
-	__global_unlock2(flags);
-
-	return val;
-}
-EXPORT_SYMBOL(core_reg_read);