diff options
author | Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> | 2008-10-24 01:32:40 +0900 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-27 16:18:30 +0000 |
commit | 9ae9fd79af28d6488e97311a3b60379b59ff4c90 (patch) | |
tree | 3146a83f9d1245d0ab0448326cd97dd5db25589c /arch/mips | |
parent | fcb3cfe7f087fb27c35be911791883fb725055b1 (diff) | |
download | kernel_samsung_smdk4412-9ae9fd79af28d6488e97311a3b60379b59ff4c90.zip kernel_samsung_smdk4412-9ae9fd79af28d6488e97311a3b60379b59ff4c90.tar.gz kernel_samsung_smdk4412-9ae9fd79af28d6488e97311a3b60379b59ff4c90.tar.bz2 |
MIPS: EMMA: Fold arch/mips/emma/{common,markeins}/irq*.c into markeins/irq.c
Current EMMA2RH irq code is mess. Before cleaning it up, gather them
in one place as a first step.
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/emma/common/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/emma/common/irq.c | 105 | ||||
-rw-r--r-- | arch/mips/emma/common/irq_emma2rh.c | 103 | ||||
-rw-r--r-- | arch/mips/emma/markeins/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/emma/markeins/irq.c | 251 | ||||
-rw-r--r-- | arch/mips/emma/markeins/irq_markeins.c | 153 |
6 files changed, 249 insertions, 367 deletions
diff --git a/arch/mips/emma/common/Makefile b/arch/mips/emma/common/Makefile index cb0fd32..c392d28 100644 --- a/arch/mips/emma/common/Makefile +++ b/arch/mips/emma/common/Makefile @@ -10,4 +10,4 @@ # (at your option) any later version. # -obj-$(CONFIG_NEC_MARKEINS) += irq.o irq_emma2rh.o prom.o +obj-$(CONFIG_NEC_MARKEINS) += prom.o diff --git a/arch/mips/emma/common/irq.c b/arch/mips/emma/common/irq.c deleted file mode 100644 index 4158f80..0000000 --- a/arch/mips/emma/common/irq.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * arch/mips/emma2rh/common/irq.c - * This file is common irq dispatcher. - * - * Copyright (C) NEC Electronics Corporation 2005-2006 - * - * This file is based on the arch/mips/ddb5xxx/ddb5477/irq.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 - */ -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/types.h> - -#include <asm/system.h> -#include <asm/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/bootinfo.h> - -#include <asm/emma/emma2rh.h> - -/* - * the first level int-handler will jump here if it is a emma2rh irq - */ -void emma2rh_irq_dispatch(void) -{ - u32 intStatus; - u32 bitmask; - u32 i; - - intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_0) - & emma2rh_in32(EMMA2RH_BHIF_INT_EN_0); - -#ifdef EMMA2RH_SW_CASCADE - if (intStatus & - (1 << ((EMMA2RH_SW_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) { - u32 swIntStatus; - swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT) - & emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); - for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { - if (swIntStatus & bitmask) { - do_IRQ(EMMA2RH_SW_IRQ_BASE + i); - return; - } - } - } -#endif - - for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { - if (intStatus & bitmask) { - do_IRQ(EMMA2RH_IRQ_BASE + i); - return; - } - } - - intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_1) - & emma2rh_in32(EMMA2RH_BHIF_INT_EN_1); - -#ifdef EMMA2RH_GPIO_CASCADE - if (intStatus & - (1 << ((EMMA2RH_GPIO_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) { - u32 gpioIntStatus; - gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST) - & emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { - if (gpioIntStatus & bitmask) { - do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i); - return; - } - } - } -#endif - - for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) { - if (intStatus & bitmask) { - do_IRQ(EMMA2RH_IRQ_BASE + i); - return; - } - } - - intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_2) - & emma2rh_in32(EMMA2RH_BHIF_INT_EN_2); - - for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) { - if (intStatus & bitmask) { - do_IRQ(EMMA2RH_IRQ_BASE + i); - return; - } - } -} diff --git a/arch/mips/emma/common/irq_emma2rh.c b/arch/mips/emma/common/irq_emma2rh.c deleted file mode 100644 index 4f84fed..0000000 --- a/arch/mips/emma/common/irq_emma2rh.c +++ /dev/null @@ -1,103 +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/emma/emma2rh.h> - -/* number of total irqs supported by EMMA2RH */ -#define NUM_EMMA2RH_IRQ 96 - -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(void) -{ - u32 i; - - for (i = 0; i < NUM_EMMA2RH_IRQ; i++) - set_irq_chip_and_handler(EMMA2RH_IRQ_BASE + i, - &emma2rh_irq_controller, - handle_level_irq); -} - -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); -} diff --git a/arch/mips/emma/markeins/Makefile b/arch/mips/emma/markeins/Makefile index 3c8b864..16e0017 100644 --- a/arch/mips/emma/markeins/Makefile +++ b/arch/mips/emma/markeins/Makefile @@ -10,4 +10,4 @@ # (at your option) any later version. # -obj-$(CONFIG_NEC_MARKEINS) += irq.o irq_markeins.o setup.o led.o platform.o +obj-$(CONFIG_NEC_MARKEINS) += irq.o setup.o led.o platform.o diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c index 3577fd5..ada33d8 100644 --- a/arch/mips/emma/markeins/irq.c +++ b/arch/mips/emma/markeins/irq.c @@ -38,6 +38,9 @@ #include <asm/emma/emma2rh.h> +/* number of total irqs supported by EMMA2RH */ +#define NUM_EMMA2RH_IRQ 96 + /* * IRQ mapping * @@ -53,10 +56,180 @@ * */ -extern void emma2rh_sw_irq_init(void); -extern void emma2rh_gpio_irq_init(void); -extern void emma2rh_irq_init(void); -extern void emma2rh_irq_dispatch(void); +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); +} + +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(void) +{ + u32 i; + + for (i = 0; i < NUM_EMMA2RH_IRQ; i++) + set_irq_chip_and_handler(EMMA2RH_IRQ_BASE + i, + &emma2rh_irq_controller, + handle_level_irq); +} + +void ll_emma2rh_sw_irq_enable(int irq) +{ + u32 reg; + + db_assert(irq >= 0); + db_assert(irq < NUM_EMMA2RH_IRQ_SW); + + reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); + reg |= 1 << irq; + emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg); +} + +void ll_emma2rh_sw_irq_disable(int irq) +{ + u32 reg; + + db_assert(irq >= 0); + db_assert(irq < 32); + + reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); + reg &= ~(1 << irq); + emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg); +} + +static void emma2rh_sw_irq_enable(unsigned int irq) +{ + ll_emma2rh_sw_irq_enable(irq - EMMA2RH_SW_IRQ_BASE); +} + +static void emma2rh_sw_irq_disable(unsigned int irq) +{ + ll_emma2rh_sw_irq_disable(irq - EMMA2RH_SW_IRQ_BASE); +} + +struct irq_chip emma2rh_sw_irq_controller = { + .name = "emma2rh_sw_irq", + .ack = emma2rh_sw_irq_disable, + .mask = emma2rh_sw_irq_disable, + .mask_ack = emma2rh_sw_irq_disable, + .unmask = emma2rh_sw_irq_enable, +}; + +void emma2rh_sw_irq_init(void) +{ + u32 i; + + for (i = 0; i < NUM_EMMA2RH_IRQ_SW; i++) + set_irq_chip_and_handler(EMMA2RH_SW_IRQ_BASE + i, + &emma2rh_sw_irq_controller, + handle_level_irq); +} + +void ll_emma2rh_gpio_irq_enable(int irq) +{ + u32 reg; + + db_assert(irq >= 0); + db_assert(irq < NUM_EMMA2RH_IRQ_GPIO); + + reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); + reg |= 1 << irq; + emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); +} + +void ll_emma2rh_gpio_irq_disable(int irq) +{ + u32 reg; + + db_assert(irq >= 0); + db_assert(irq < NUM_EMMA2RH_IRQ_GPIO); + + reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); + reg &= ~(1 << irq); + emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); +} + +static void emma2rh_gpio_irq_enable(unsigned int irq) +{ + ll_emma2rh_gpio_irq_enable(irq - EMMA2RH_GPIO_IRQ_BASE); +} + +static void emma2rh_gpio_irq_disable(unsigned int irq) +{ + ll_emma2rh_gpio_irq_disable(irq - EMMA2RH_GPIO_IRQ_BASE); +} + +static void emma2rh_gpio_irq_ack(unsigned int irq) +{ + irq -= EMMA2RH_GPIO_IRQ_BASE; + emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq)); + ll_emma2rh_gpio_irq_disable(irq); +} + +static void emma2rh_gpio_irq_end(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + ll_emma2rh_gpio_irq_enable(irq - EMMA2RH_GPIO_IRQ_BASE); +} + +struct irq_chip emma2rh_gpio_irq_controller = { + .name = "emma2rh_gpio_irq", + .ack = emma2rh_gpio_irq_ack, + .mask = emma2rh_gpio_irq_disable, + .mask_ack = emma2rh_gpio_irq_ack, + .unmask = emma2rh_gpio_irq_enable, + .end = emma2rh_gpio_irq_end, +}; + +void emma2rh_gpio_irq_init(void) +{ + u32 i; + + for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++) + set_irq_chip(EMMA2RH_GPIO_IRQ_BASE + i, + &emma2rh_gpio_irq_controller); +} static struct irqaction irq_cascade = { .handler = no_action, @@ -67,6 +240,76 @@ static struct irqaction irq_cascade = { .next = NULL, }; +/* + * the first level int-handler will jump here if it is a emma2rh irq + */ +void emma2rh_irq_dispatch(void) +{ + u32 intStatus; + u32 bitmask; + u32 i; + + intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_0) & + emma2rh_in32(EMMA2RH_BHIF_INT_EN_0); + +#ifdef EMMA2RH_SW_CASCADE + if (intStatus & + (1 << ((EMMA2RH_SW_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) { + u32 swIntStatus; + swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT) + & emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); + for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { + if (swIntStatus & bitmask) { + do_IRQ(EMMA2RH_SW_IRQ_BASE + i); + return; + } + } + } +#endif + + for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { + if (intStatus & bitmask) { + do_IRQ(EMMA2RH_IRQ_BASE + i); + return; + } + } + + intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_1) & + emma2rh_in32(EMMA2RH_BHIF_INT_EN_1); + +#ifdef EMMA2RH_GPIO_CASCADE + if (intStatus & + (1 << ((EMMA2RH_GPIO_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) { + u32 gpioIntStatus; + gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST) + & emma2rh_in32(EMMA2RH_GPIO_INT_MASK); + for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { + if (gpioIntStatus & bitmask) { + do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i); + return; + } + } + } +#endif + + for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) { + if (intStatus & bitmask) { + do_IRQ(EMMA2RH_IRQ_BASE + i); + return; + } + } + + intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_2) & + emma2rh_in32(EMMA2RH_BHIF_INT_EN_2); + + for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) { + if (intStatus & bitmask) { + do_IRQ(EMMA2RH_IRQ_BASE + i); + return; + } + } +} + void __init arch_init_irq(void) { u32 reg; diff --git a/arch/mips/emma/markeins/irq_markeins.c b/arch/mips/emma/markeins/irq_markeins.c deleted file mode 100644 index ea27ec5..0000000 --- a/arch/mips/emma/markeins/irq_markeins.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * arch/mips/emma2rh/markeins/irq_markeins.c - * This file defines the irq handler for Mark-eins. - * - * Copyright (C) NEC Electronics Corporation 2004-2006 - * - * 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 - */ -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/types.h> -#include <linux/ptrace.h> - -#include <asm/debug.h> -#include <asm/emma/emma2rh.h> - -void ll_emma2rh_sw_irq_enable(int reg); -void ll_emma2rh_sw_irq_disable(int reg); -void ll_emma2rh_gpio_irq_enable(int reg); -void ll_emma2rh_gpio_irq_disable(int reg); - -static void emma2rh_sw_irq_enable(unsigned int irq) -{ - ll_emma2rh_sw_irq_enable(irq - EMMA2RH_SW_IRQ_BASE); -} - -static void emma2rh_sw_irq_disable(unsigned int irq) -{ - ll_emma2rh_sw_irq_disable(irq - EMMA2RH_SW_IRQ_BASE); -} - -struct irq_chip emma2rh_sw_irq_controller = { - .name = "emma2rh_sw_irq", - .ack = emma2rh_sw_irq_disable, - .mask = emma2rh_sw_irq_disable, - .mask_ack = emma2rh_sw_irq_disable, - .unmask = emma2rh_sw_irq_enable, -}; - -void emma2rh_sw_irq_init(void) -{ - u32 i; - - for (i = 0; i < NUM_EMMA2RH_IRQ_SW; i++) - set_irq_chip_and_handler(EMMA2RH_SW_IRQ_BASE + i, - &emma2rh_sw_irq_controller, - handle_level_irq); -} - -void ll_emma2rh_sw_irq_enable(int irq) -{ - u32 reg; - - db_assert(irq >= 0); - db_assert(irq < NUM_EMMA2RH_IRQ_SW); - - reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); - reg |= 1 << irq; - emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg); -} - -void ll_emma2rh_sw_irq_disable(int irq) -{ - u32 reg; - - db_assert(irq >= 0); - db_assert(irq < 32); - - reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); - reg &= ~(1 << irq); - emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg); -} - -static void emma2rh_gpio_irq_enable(unsigned int irq) -{ - ll_emma2rh_gpio_irq_enable(irq - EMMA2RH_GPIO_IRQ_BASE); -} - -static void emma2rh_gpio_irq_disable(unsigned int irq) -{ - ll_emma2rh_gpio_irq_disable(irq - EMMA2RH_GPIO_IRQ_BASE); -} - -static void emma2rh_gpio_irq_ack(unsigned int irq) -{ - irq -= EMMA2RH_GPIO_IRQ_BASE; - emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq)); - ll_emma2rh_gpio_irq_disable(irq); -} - -static void emma2rh_gpio_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - ll_emma2rh_gpio_irq_enable(irq - EMMA2RH_GPIO_IRQ_BASE); -} - -struct irq_chip emma2rh_gpio_irq_controller = { - .name = "emma2rh_gpio_irq", - .ack = emma2rh_gpio_irq_ack, - .mask = emma2rh_gpio_irq_disable, - .mask_ack = emma2rh_gpio_irq_ack, - .unmask = emma2rh_gpio_irq_enable, - .end = emma2rh_gpio_irq_end, -}; - -void emma2rh_gpio_irq_init(void) -{ - u32 i; - - for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++) - set_irq_chip(EMMA2RH_GPIO_IRQ_BASE + i, - &emma2rh_gpio_irq_controller); -} - -void ll_emma2rh_gpio_irq_enable(int irq) -{ - u32 reg; - - db_assert(irq >= 0); - db_assert(irq < NUM_EMMA2RH_IRQ_GPIO); - - reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - reg |= 1 << irq; - emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); -} - -void ll_emma2rh_gpio_irq_disable(int irq) -{ - u32 reg; - - db_assert(irq >= 0); - db_assert(irq < NUM_EMMA2RH_IRQ_GPIO); - - reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - reg &= ~(1 << irq); - emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); -} |