[MIPS] DDB5477: Remove support

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 154 deletions

diff --git a/arch/mips/ddb5xxx/ddb5477/irq_5477.c b/arch/mips/ddb5xxx/ddb5477/irq_5477.c
deleted file mode 100644
index 98c3b15eb369..000000000000
--- a/arch/mips/ddb5xxx/ddb5477/irq_5477.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- *  arch/mips/ddb5xxx/ddb5477/irq_5477.c
- *     This file defines the irq handler for Vrc5477.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-
-/*
- * Vrc5477 defines 32 IRQs.
- *
- * This file exports one function:
- *	vrc5477_irq_init(u32 irq_base);
- */
-
-#include <linux/interrupt.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-/* number of total irqs supported by Vrc5477 */
-#define	NUM_5477_IRQ		32
-
-static int vrc5477_irq_base = -1;
-
-
-static void
-vrc5477_irq_enable(unsigned int irq)
-{
-	db_assert(vrc5477_irq_base != -1);
-	db_assert(irq >= vrc5477_irq_base);
-	db_assert(irq < vrc5477_irq_base+ NUM_5477_IRQ);
-
-	ll_vrc5477_irq_enable(irq - vrc5477_irq_base);
-}
-
-static void
-vrc5477_irq_disable(unsigned int irq)
-{
-	db_assert(vrc5477_irq_base != -1);
-	db_assert(irq >= vrc5477_irq_base);
-	db_assert(irq < vrc5477_irq_base + NUM_5477_IRQ);
-
-	ll_vrc5477_irq_disable(irq - vrc5477_irq_base);
-}
-
-static void
-vrc5477_irq_ack(unsigned int irq)
-{
-	db_assert(vrc5477_irq_base != -1);
-	db_assert(irq >= vrc5477_irq_base);
-	db_assert(irq < vrc5477_irq_base+ NUM_5477_IRQ);
-
-	/* clear the interrupt bit */
-	/* some irqs require the driver to clear the sources */
-	ddb_out32(DDB_INTCLR32, 1 << (irq - vrc5477_irq_base));
-
-	/* disable interrupt - some handler will re-enable the irq
-	 * and if the interrupt is leveled, we will have infinite loop
-	 */
-	ll_vrc5477_irq_disable(irq - vrc5477_irq_base);
-}
-
-static void
-vrc5477_irq_end(unsigned int irq)
-{
-	db_assert(vrc5477_irq_base != -1);
-	db_assert(irq >= vrc5477_irq_base);
-	db_assert(irq < vrc5477_irq_base + NUM_5477_IRQ);
-
-	if(!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		ll_vrc5477_irq_enable( irq - vrc5477_irq_base);
-}
-
-struct irq_chip vrc5477_irq_controller = {
-	.name = "vrc5477_irq",
-	.ack = vrc5477_irq_ack,
-	.mask = vrc5477_irq_disable,
-	.mask_ack = vrc5477_irq_ack,
-	.unmask = vrc5477_irq_enable,
-	.end = vrc5477_irq_end
-};
-
-void __init vrc5477_irq_init(u32 irq_base)
-{
-	u32 i;
-
-	for (i= irq_base; i< irq_base+ NUM_5477_IRQ; i++)
-		set_irq_chip(i, &vrc5477_irq_controller);
-
-	vrc5477_irq_base = irq_base;
-}
-
-void ll_vrc5477_irq_route(int vrc5477_irq, int ip)
-{
-	u32 reg_value;
-	u32 reg_bitmask;
-	u32 reg_index;
-
-	db_assert(vrc5477_irq >= 0);
-	db_assert(vrc5477_irq < NUM_5477_IRQ);
-	db_assert(ip >= 0);
-	db_assert((ip < 5) || (ip == 6));
-
-	reg_index = DDB_INTCTRL0 + vrc5477_irq/8*4;
-	reg_value = ddb_in32(reg_index);
-	reg_bitmask = 7 << (vrc5477_irq % 8 * 4);
-	reg_value &= ~reg_bitmask;
-	reg_value |= ip << (vrc5477_irq % 8 * 4);
-	ddb_out32(reg_index, reg_value);
-}
-
-void ll_vrc5477_irq_enable(int vrc5477_irq)
-{
-	u32 reg_value;
-	u32 reg_bitmask;
-	u32 reg_index;
-
-	db_assert(vrc5477_irq >= 0);
-	db_assert(vrc5477_irq < NUM_5477_IRQ);
-
-	reg_index = DDB_INTCTRL0 + vrc5477_irq/8*4;
-	reg_value = ddb_in32(reg_index);
-	reg_bitmask = 8 << (vrc5477_irq % 8 * 4);
-	db_assert((reg_value & reg_bitmask) == 0);
-	ddb_out32(reg_index, reg_value | reg_bitmask);
-}
-
-void ll_vrc5477_irq_disable(int vrc5477_irq)
-{
-	u32 reg_value;
-	u32 reg_bitmask;
-	u32 reg_index;
-
-	db_assert(vrc5477_irq >= 0);
-	db_assert(vrc5477_irq < NUM_5477_IRQ);
-
-	reg_index = DDB_INTCTRL0 + vrc5477_irq/8*4;
-	reg_value = ddb_in32(reg_index);
-	reg_bitmask = 8 << (vrc5477_irq % 8 * 4);
-
-	/* we assert that the interrupt is enabled (perhaps over-zealous) */
-	db_assert( (reg_value & reg_bitmask) != 0);
-	ddb_out32(reg_index, reg_value & ~reg_bitmask);
-}