1 files changed, 0 insertions, 151 deletions
diff --git a/arch/sh/boards/renesas/x3proto/ilsel.c b/arch/sh/boards/renesas/x3proto/ilsel.c
deleted file mode 100644
index b5c673c3933..00000000000
--- a/arch/sh/boards/renesas/x3proto/ilsel.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * arch/sh/boards/renesas/x3proto/ilsel.c
- *
- * Helper routines for SH-X3 proto board ILSEL.
- *
- * Copyright (C) 2007 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/bitmap.h>
-#include <linux/io.h>
-#include <asm/ilsel.h>
-
-/*
- * ILSEL is split across:
- *
- *	ILSEL0 - 0xb8100004 [ Levels  1 -  4 ]
- *	ILSEL1 - 0xb8100006 [ Levels  5 -  8 ]
- *	ILSEL2 - 0xb8100008 [ Levels  9 - 12 ]
- *	ILSEL3 - 0xb810000a [ Levels 13 - 15 ]
- *
- * With each level being relative to an ilsel_source_t.
- */
-#define ILSEL_BASE	0xb8100004
-#define ILSEL_LEVELS	15
-
-/*
- * ILSEL level map, in descending order from the highest level down.
- *
- * Supported levels are 1 - 15 spread across ILSEL0 - ILSEL4, mapping
- * directly to IRLs. As the IRQs are numbered in reverse order relative
- * to the interrupt level, the level map is carefully managed to ensure a
- * 1:1 mapping between the bit position and the IRQ number.
- *
- * This careful constructions allows ilsel_enable*() to be referenced
- * directly for hooking up an ILSEL set and getting back an IRQ which can
- * subsequently be used for internal accounting in the (optional) disable
- * path.
- */
-static unsigned long ilsel_level_map;
-
-static inline unsigned int ilsel_offset(unsigned int bit)
-{
-	return ILSEL_LEVELS - bit - 1;
-}
-
-static inline unsigned long mk_ilsel_addr(unsigned int bit)
-{
-	return ILSEL_BASE + ((ilsel_offset(bit) >> 1) & ~0x1);
-}
-
-static inline unsigned int mk_ilsel_shift(unsigned int bit)
-{
-	return (ilsel_offset(bit) & 0x3) << 2;
-}
-
-static void __ilsel_enable(ilsel_source_t set, unsigned int bit)
-{
-	unsigned int tmp, shift;
-	unsigned long addr;
-
-	addr = mk_ilsel_addr(bit);
-	shift = mk_ilsel_shift(bit);
-
-	pr_debug("%s: bit#%d: addr - 0x%08lx (shift %d, set %d)\n",
-		 __func__, bit, addr, shift, set);
-
-	tmp = ctrl_inw(addr);
-	tmp &= ~(0xf << shift);
-	tmp |= set << shift;
-	ctrl_outw(tmp, addr);
-}
-
-/**
- * ilsel_enable - Enable an ILSEL set.
- * @set: ILSEL source (see ilsel_source_t enum in include/asm-sh/ilsel.h).
- *
- * Enables a given non-aliased ILSEL source (<= ILSEL_KEY) at the highest
- * available interrupt level. Callers should take care to order callsites
- * noting descending interrupt levels. Aliasing FPGA and external board
- * IRQs need to use ilsel_enable_fixed().
- *
- * The return value is an IRQ number that can later be taken down with
- * ilsel_disable().
- */
-int ilsel_enable(ilsel_source_t set)
-{
-	unsigned int bit;
-
-	/* Aliased sources must use ilsel_enable_fixed() */
-	BUG_ON(set > ILSEL_KEY);
-
-	do {
-		bit = find_first_zero_bit(&ilsel_level_map, ILSEL_LEVELS);
-	} while (test_and_set_bit(bit, &ilsel_level_map));
-
-	__ilsel_enable(set, bit);
-
-	return bit;
-}
-EXPORT_SYMBOL_GPL(ilsel_enable);
-
-/**
- * ilsel_enable_fixed - Enable an ILSEL set at a fixed interrupt level
- * @set: ILSEL source (see ilsel_source_t enum in include/asm-sh/ilsel.h).
- * @level: Interrupt level (1 - 15)
- *
- * Enables a given ILSEL source at a fixed interrupt level. Necessary
- * both for level reservation as well as for aliased sources that only
- * exist on special ILSEL#s.
- *
- * Returns an IRQ number (as ilsel_enable()).
- */
-int ilsel_enable_fixed(ilsel_source_t set, unsigned int level)
-{
-	unsigned int bit = ilsel_offset(level - 1);
-
-	if (test_and_set_bit(bit, &ilsel_level_map))
-		return -EBUSY;
-
-	__ilsel_enable(set, bit);
-
-	return bit;
-}
-EXPORT_SYMBOL_GPL(ilsel_enable_fixed);
-
-/**
- * ilsel_disable - Disable an ILSEL set
- * @irq: Bit position for ILSEL set value (retval from enable routines)
- *
- * Disable a previously enabled ILSEL set.
- */
-void ilsel_disable(unsigned int irq)
-{
-	unsigned long addr;
-	unsigned int tmp;
-
-	addr = mk_ilsel_addr(irq);
-
-	tmp = ctrl_inw(addr);
-	tmp &= ~(0xf << mk_ilsel_shift(irq));
-	ctrl_outw(tmp, addr);
-
-	clear_bit(irq, &ilsel_level_map);
-}
-EXPORT_SYMBOL_GPL(ilsel_disable);