summaryrefslogtreecommitdiffstats
path: root/arch/mips/emma2rh/common/irq_emma2rh.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/emma2rh/common/irq_emma2rh.c')
-rw-r--r--arch/mips/emma2rh/common/irq_emma2rh.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/arch/mips/emma2rh/common/irq_emma2rh.c b/arch/mips/emma2rh/common/irq_emma2rh.c
deleted file mode 100644
index 96df37b..0000000
--- a/arch/mips/emma2rh/common/irq_emma2rh.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * arch/mips/emma2rh/common/irq_emma2rh.c
- * This file defines the irq handler for EMMA2RH.
- *
- * Copyright (C) NEC Electronics Corporation 2005-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/irq_5477.c
- *
- * Copyright 2001 MontaVista Software Inc.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * EMMA2RH defines 64 IRQs.
- *
- * This file exports one function:
- * emma2rh_irq_init(u32 irq_base);
- */
-
-#include <linux/interrupt.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-
-#include <asm/debug.h>
-
-#include <asm/emma2rh/emma2rh.h>
-
-/* number of total irqs supported by EMMA2RH */
-#define NUM_EMMA2RH_IRQ 96
-
-static int emma2rh_irq_base = -1;
-
-void ll_emma2rh_irq_enable(int);
-void ll_emma2rh_irq_disable(int);
-
-static void emma2rh_irq_enable(unsigned int irq)
-{
- ll_emma2rh_irq_enable(irq - emma2rh_irq_base);
-}
-
-static void emma2rh_irq_disable(unsigned int irq)
-{
- ll_emma2rh_irq_disable(irq - emma2rh_irq_base);
-}
-
-struct irq_chip emma2rh_irq_controller = {
- .name = "emma2rh_irq",
- .ack = emma2rh_irq_disable,
- .mask = emma2rh_irq_disable,
- .mask_ack = emma2rh_irq_disable,
- .unmask = emma2rh_irq_enable,
-};
-
-void emma2rh_irq_init(u32 irq_base)
-{
- u32 i;
-
- for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ; i++)
- set_irq_chip_and_handler(i, &emma2rh_irq_controller,
- handle_level_irq);
-
- emma2rh_irq_base = irq_base;
-}
-
-void ll_emma2rh_irq_enable(int emma2rh_irq)
-{
- u32 reg_value;
- u32 reg_bitmask;
- u32 reg_index;
-
- reg_index = EMMA2RH_BHIF_INT_EN_0
- + (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0)
- * (emma2rh_irq / 32);
- reg_value = emma2rh_in32(reg_index);
- reg_bitmask = 0x1 << (emma2rh_irq % 32);
- db_assert((reg_value & reg_bitmask) == 0);
- emma2rh_out32(reg_index, reg_value | reg_bitmask);
-}
-
-void ll_emma2rh_irq_disable(int emma2rh_irq)
-{
- u32 reg_value;
- u32 reg_bitmask;
- u32 reg_index;
-
- reg_index = EMMA2RH_BHIF_INT_EN_0
- + (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0)
- * (emma2rh_irq / 32);
- reg_value = emma2rh_in32(reg_index);
- reg_bitmask = 0x1 << (emma2rh_irq % 32);
- db_assert((reg_value & reg_bitmask) != 0);
- emma2rh_out32(reg_index, reg_value & ~reg_bitmask);
-}
OpenPOWER on IntegriCloud