diff options
Diffstat (limited to 'arch/mips/powertv/asic/irq_asic.c')
-rw-r--r-- | arch/mips/powertv/asic/irq_asic.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/mips/powertv/asic/irq_asic.c b/arch/mips/powertv/asic/irq_asic.c deleted file mode 100644 index 9344902dc586..000000000000 --- a/arch/mips/powertv/asic/irq_asic.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Portions copyright (C) 2005-2009 Scientific Atlanta - * Portions copyright (C) 2009 Cisco Systems, Inc. - * - * Modified from arch/mips/kernel/irq-rm7000.c: - * Copyright (C) 2003 Ralf Baechle - * - * 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. - */ -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/irq.h> - -#include <asm/irq_cpu.h> -#include <asm/mipsregs.h> - -#include <asm/mach-powertv/asic_regs.h> - -static inline void unmask_asic_irq(struct irq_data *d) -{ - unsigned long enable_bit; - unsigned int irq = d->irq; - - enable_bit = (1 << (irq & 0x1f)); - - switch (irq >> 5) { - case 0: - asic_write(asic_read(ien_int_0) | enable_bit, ien_int_0); - break; - case 1: - asic_write(asic_read(ien_int_1) | enable_bit, ien_int_1); - break; - case 2: - asic_write(asic_read(ien_int_2) | enable_bit, ien_int_2); - break; - case 3: - asic_write(asic_read(ien_int_3) | enable_bit, ien_int_3); - break; - default: - BUG(); - } -} - -static inline void mask_asic_irq(struct irq_data *d) -{ - unsigned long disable_mask; - unsigned int irq = d->irq; - - disable_mask = ~(1 << (irq & 0x1f)); - - switch (irq >> 5) { - case 0: - asic_write(asic_read(ien_int_0) & disable_mask, ien_int_0); - break; - case 1: - asic_write(asic_read(ien_int_1) & disable_mask, ien_int_1); - break; - case 2: - asic_write(asic_read(ien_int_2) & disable_mask, ien_int_2); - break; - case 3: - asic_write(asic_read(ien_int_3) & disable_mask, ien_int_3); - break; - default: - BUG(); - } -} - -static struct irq_chip asic_irq_chip = { - .name = "ASIC Level", - .irq_mask = mask_asic_irq, - .irq_unmask = unmask_asic_irq, -}; - -void __init asic_irq_init(void) -{ - int i; - - /* set priority to 0 */ - write_c0_status(read_c0_status() & ~(0x0000fc00)); - - asic_write(0, ien_int_0); - asic_write(0, ien_int_1); - asic_write(0, ien_int_2); - asic_write(0, ien_int_3); - - asic_write(0x0fffffff, int_level_3_3); - asic_write(0xffffffff, int_level_3_2); - asic_write(0xffffffff, int_level_3_1); - asic_write(0xffffffff, int_level_3_0); - asic_write(0xffffffff, int_level_2_3); - asic_write(0xffffffff, int_level_2_2); - asic_write(0xffffffff, int_level_2_1); - asic_write(0xffffffff, int_level_2_0); - asic_write(0xffffffff, int_level_1_3); - asic_write(0xffffffff, int_level_1_2); - asic_write(0xffffffff, int_level_1_1); - asic_write(0xffffffff, int_level_1_0); - asic_write(0xffffffff, int_level_0_3); - asic_write(0xffffffff, int_level_0_2); - asic_write(0xffffffff, int_level_0_1); - asic_write(0xffffffff, int_level_0_0); - - asic_write(0xf, int_int_scan); - - /* - * Initialize interrupt handlers. - */ - for (i = 0; i < NR_IRQS; i++) - irq_set_chip_and_handler(i, &asic_irq_chip, handle_level_irq); -} |