lkml.org 
[lkml]   [2017]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v2 09/35] nds32: IRQ handling
    Date
    From: Greentime Hu <greentime@andestech.com>

    This patch includes irq related functions and irqchip_init().

    Signed-off-by: Vincent Chen <vincentc@andestech.com>
    Signed-off-by: Greentime Hu <greentime@andestech.com>
    ---
    arch/nds32/include/asm/irqflags.h | 49 +++++++++++++++++++++++++++++++++++++
    arch/nds32/kernel/irq.c | 22 +++++++++++++++++
    2 files changed, 71 insertions(+)
    create mode 100644 arch/nds32/include/asm/irqflags.h
    create mode 100644 arch/nds32/kernel/irq.c

    diff --git a/arch/nds32/include/asm/irqflags.h b/arch/nds32/include/asm/irqflags.h
    new file mode 100644
    index 0000000..7c1940f
    --- /dev/null
    +++ b/arch/nds32/include/asm/irqflags.h
    @@ -0,0 +1,49 @@
    +/*
    + * Copyright (C) 2005-2017 Andes Technology Corporation
    + *
    + * This program is free software; you can redistribute it and/or modify
    + * it under the terms of the GNU General Public License version 2 as
    + * published by the Free Software Foundation.
    + *
    + * 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 <http://www.gnu.org/licenses/>.
    + */
    +
    +#include <asm/nds32.h>
    +#include <nds32_intrinsic.h>
    +
    +#define arch_local_irq_disable() \
    + GIE_DISABLE();
    +
    +#define arch_local_irq_enable() \
    + GIE_ENABLE();
    +static inline unsigned long arch_local_irq_save(void)
    +{
    + unsigned long flags;
    + flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE;
    + GIE_DISABLE();
    + return flags;
    +}
    +
    +static inline unsigned long arch_local_save_flags(void)
    +{
    + unsigned long flags;
    + flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE;
    + return flags;
    +}
    +
    +static inline void arch_local_irq_restore(unsigned long flags)
    +{
    + if(flags)
    + GIE_ENABLE();
    +}
    +
    +static inline int arch_irqs_disabled_flags(unsigned long flags)
    +{
    + return !flags;
    +}
    diff --git a/arch/nds32/kernel/irq.c b/arch/nds32/kernel/irq.c
    new file mode 100644
    index 0000000..119dc9f
    --- /dev/null
    +++ b/arch/nds32/kernel/irq.c
    @@ -0,0 +1,22 @@
    +/*
    + * Copyright (C) 2005-2017 Andes Technology Corporation
    + *
    + * This program is free software; you can redistribute it and/or modify
    + * it under the terms of the GNU General Public License version 2 as
    + * published by the Free Software Foundation.
    + *
    + * 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 <http://www.gnu.org/licenses/>.
    + */
    +
    +#include <linux/irqchip.h>
    +
    +void __init init_IRQ(void)
    +{
    + irqchip_init();
    +}
    --
    1.7.9.5
    \
     
     \ /
      Last update: 2017-11-27 14:07    [W:4.199 / U:0.032 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site