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-rw-r--r--arch/score/kernel/irq.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/score/kernel/irq.c b/arch/score/kernel/irq.c
deleted file mode 100644
index d4196732c65e..000000000000
--- a/arch/score/kernel/irq.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * arch/score/kernel/irq.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- * Chen Liqin <liqin.chen@sunplusct.com>
- * Lennox Wu <lennox.wu@sunplusct.com>
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/seq_file.h>
-
-#include <asm/io.h>
-
-/* the interrupt controller is hardcoded at this address */
-#define SCORE_PIC ((u32 __iomem __force *)0x95F50000)
-
-#define INT_PNDL 0
-#define INT_PNDH 1
-#define INT_PRIORITY_M 2
-#define INT_PRIORITY_SG0 4
-#define INT_PRIORITY_SG1 5
-#define INT_PRIORITY_SG2 6
-#define INT_PRIORITY_SG3 7
-#define INT_MASKL 8
-#define INT_MASKH 9
-
-/*
- * handles all normal device IRQs
- */
-asmlinkage void do_IRQ(int irq)
-{
- irq_enter();
- generic_handle_irq(irq);
- irq_exit();
-}
-
-static void score_mask(struct irq_data *d)
-{
- unsigned int irq_source = 63 - d->irq;
-
- if (irq_source < 32)
- __raw_writel((__raw_readl(SCORE_PIC + INT_MASKL) | \
- (1 << irq_source)), SCORE_PIC + INT_MASKL);
- else
- __raw_writel((__raw_readl(SCORE_PIC + INT_MASKH) | \
- (1 << (irq_source - 32))), SCORE_PIC + INT_MASKH);
-}
-
-static void score_unmask(struct irq_data *d)
-{
- unsigned int irq_source = 63 - d->irq;
-
- if (irq_source < 32)
- __raw_writel((__raw_readl(SCORE_PIC + INT_MASKL) & \
- ~(1 << irq_source)), SCORE_PIC + INT_MASKL);
- else
- __raw_writel((__raw_readl(SCORE_PIC + INT_MASKH) & \
- ~(1 << (irq_source - 32))), SCORE_PIC + INT_MASKH);
-}
-
-struct irq_chip score_irq_chip = {
- .name = "Score7-level",
- .irq_mask = score_mask,
- .irq_mask_ack = score_mask,
- .irq_unmask = score_unmask,
-};
-
-/*
- * initialise the interrupt system
- */
-void __init init_IRQ(void)
-{
- int index;
- unsigned long target_addr;
-
- for (index = 0; index < NR_IRQS; ++index)
- irq_set_chip_and_handler(index, &score_irq_chip,
- handle_level_irq);
-
- for (target_addr = IRQ_VECTOR_BASE_ADDR;
- target_addr <= IRQ_VECTOR_END_ADDR;
- target_addr += IRQ_VECTOR_SIZE)
- memcpy((void *)target_addr, \
- interrupt_exception_vector, IRQ_VECTOR_SIZE);
-
- __raw_writel(0xffffffff, SCORE_PIC + INT_MASKL);
- __raw_writel(0xffffffff, SCORE_PIC + INT_MASKH);
-
- __asm__ __volatile__(
- "mtcr %0, cr3\n\t"
- : : "r" (EXCEPTION_VECTOR_BASE_ADDR | \
- VECTOR_ADDRESS_OFFSET_MODE16));
-}