diff options
| -rw-r--r-- | arch/arm/mach-moxart/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/irqchip/Makefile | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-ftintc010.c | 2 | ||||
| -rw-r--r-- | drivers/irqchip/irq-moxart.c | 116 |
4 files changed, 3 insertions, 118 deletions
diff --git a/arch/arm/mach-moxart/Kconfig b/arch/arm/mach-moxart/Kconfig index f69e28b85e88..70db2abf6163 100644 --- a/arch/arm/mach-moxart/Kconfig +++ b/arch/arm/mach-moxart/Kconfig @@ -3,8 +3,8 @@ menuconfig ARCH_MOXART depends on ARCH_MULTI_V4 select CPU_FA526 select ARM_DMA_MEM_BUFFERABLE + select FARADAY_FTINTC010 select MOXART_TIMER - select GENERIC_IRQ_CHIP select GPIOLIB select PHYLIB if NETDEVICES help diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index cdf3474d3851..d80bc3e9d511 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_ARCH_S3C24XX) += irq-s3c24xx.o obj-$(CONFIG_DW_APB_ICTL) += irq-dw-apb-ictl.o obj-$(CONFIG_METAG) += irq-metag-ext.o obj-$(CONFIG_METAG_PERFCOUNTER_IRQS) += irq-metag.o -obj-$(CONFIG_ARCH_MOXART) += irq-moxart.o obj-$(CONFIG_CLPS711X_IRQCHIP) += irq-clps711x.o obj-$(CONFIG_OR1K_PIC) += irq-or1k-pic.o obj-$(CONFIG_ORION_IRQCHIP) += irq-orion.o diff --git a/drivers/irqchip/irq-ftintc010.c b/drivers/irqchip/irq-ftintc010.c index 0cc81df6f743..cd2dc8bbbe9c 100644 --- a/drivers/irqchip/irq-ftintc010.c +++ b/drivers/irqchip/irq-ftintc010.c @@ -190,3 +190,5 @@ IRQCHIP_DECLARE(faraday, "faraday,ftintc010", ft010_of_init_irq); IRQCHIP_DECLARE(gemini, "cortina,gemini-interrupt-controller", ft010_of_init_irq); +IRQCHIP_DECLARE(moxa, "moxa,moxart-ic", + ft010_of_init_irq); diff --git a/drivers/irqchip/irq-moxart.c b/drivers/irqchip/irq-moxart.c deleted file mode 100644 index a24b06a1718b..000000000000 --- a/drivers/irqchip/irq-moxart.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * MOXA ART SoCs IRQ chip driver. - * - * Copyright (C) 2013 Jonas Jensen - * - * Jonas Jensen <jonas.jensen@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/irqchip.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/irqdomain.h> - -#include <asm/exception.h> - -#define IRQ_SOURCE_REG 0 -#define IRQ_MASK_REG 0x04 -#define IRQ_CLEAR_REG 0x08 -#define IRQ_MODE_REG 0x0c -#define IRQ_LEVEL_REG 0x10 -#define IRQ_STATUS_REG 0x14 - -#define FIQ_SOURCE_REG 0x20 -#define FIQ_MASK_REG 0x24 -#define FIQ_CLEAR_REG 0x28 -#define FIQ_MODE_REG 0x2c -#define FIQ_LEVEL_REG 0x30 -#define FIQ_STATUS_REG 0x34 - - -struct moxart_irq_data { - void __iomem *base; - struct irq_domain *domain; - unsigned int interrupt_mask; -}; - -static struct moxart_irq_data intc; - -static void __exception_irq_entry handle_irq(struct pt_regs *regs) -{ - u32 irqstat; - int hwirq; - - irqstat = readl(intc.base + IRQ_STATUS_REG); - - while (irqstat) { - hwirq = ffs(irqstat) - 1; - handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs); - irqstat &= ~(1 << hwirq); - } -} - -static int __init moxart_of_intc_init(struct device_node *node, - struct device_node *parent) -{ - unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; - int ret; - struct irq_chip_generic *gc; - - intc.base = of_iomap(node, 0); - if (!intc.base) { - pr_err("%s: unable to map IC registers\n", - node->full_name); - return -EINVAL; - } - - intc.domain = irq_domain_add_linear(node, 32, &irq_generic_chip_ops, - intc.base); - if (!intc.domain) { - pr_err("%s: unable to create IRQ domain\n", node->full_name); - return -EINVAL; - } - - ret = irq_alloc_domain_generic_chips(intc.domain, 32, 1, - "MOXARTINTC", handle_edge_irq, - clr, 0, IRQ_GC_INIT_MASK_CACHE); - if (ret) { - pr_err("%s: could not allocate generic chip\n", - node->full_name); - irq_domain_remove(intc.domain); - return -EINVAL; - } - - ret = of_property_read_u32(node, "interrupt-mask", - &intc.interrupt_mask); - if (ret) - pr_err("%s: could not read interrupt-mask DT property\n", - node->full_name); - - gc = irq_get_domain_generic_chip(intc.domain, 0); - - gc->reg_base = intc.base; - gc->chip_types[0].regs.mask = IRQ_MASK_REG; - gc->chip_types[0].regs.ack = IRQ_CLEAR_REG; - gc->chip_types[0].chip.irq_ack = irq_gc_ack_set_bit; - gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit; - gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit; - - writel(0, intc.base + IRQ_MASK_REG); - writel(0xffffffff, intc.base + IRQ_CLEAR_REG); - - writel(intc.interrupt_mask, intc.base + IRQ_MODE_REG); - writel(intc.interrupt_mask, intc.base + IRQ_LEVEL_REG); - - set_handle_irq(handle_irq); - - return 0; -} -IRQCHIP_DECLARE(moxa_moxart_ic, "moxa,moxart-ic", moxart_of_intc_init); |