select CPU_ARM920T
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
+ select MXC_AVIC
config SOC_IMX21
bool
select ARCH_MXC_AUDMUX_V1
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
+ select MXC_AVIC
config SOC_IMX25
bool
select CPU_ARM926T
select ARCH_MXC_AUDMUX_V2
select ARCH_MXC_IOMUX_V3
+ select MXC_AVIC
config SOC_IMX27
bool
select ARCH_MXC_AUDMUX_V1
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
+ select MXC_AVIC
if ARCH_MX1
select IMX_HAVE_PLATFORM_MXC_RNGA
select ARCH_MXC_AUDMUX_V2
select ARCH_MX31
+ select MXC_AVIC
config SOC_IMX35
bool
select ARCH_MXC_AUDMUX_V2
select HAVE_EPIT
select ARCH_MX35
+ select MXC_AVIC
comment "MX3 platforms:"
containing this interrupt controller.
Say N here only if you are really sure.
+config MXC_AVIC
+ bool
+
config MXC_PWM
tristate "Enable PWM driver"
select HAVE_PWM
#
# Common support
-obj-y := irq.o clock.o gpio.o time.o devices.o cpu.o system.o
+obj-y := clock.o gpio.o time.o devices.o cpu.o system.o
-# MX51 uses the TZIC interrupt controller, older platforms use AVIC (irq.o)
+# MX51 uses the TZIC interrupt controller, older platforms use AVIC
obj-$(CONFIG_MXC_TZIC) += tzic.o
+obj-$(CONFIG_MXC_AVIC) += avic.o
obj-$(CONFIG_IMX_HAVE_IOMUX_V1) += iomux-v1.o
obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o
--- /dev/null
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <mach/common.h>
+#include <asm/mach/irq.h>
+#include <mach/hardware.h>
+
+#define AVIC_INTCNTL 0x00 /* int control reg */
+#define AVIC_NIMASK 0x04 /* int mask reg */
+#define AVIC_INTENNUM 0x08 /* int enable number reg */
+#define AVIC_INTDISNUM 0x0C /* int disable number reg */
+#define AVIC_INTENABLEH 0x10 /* int enable reg high */
+#define AVIC_INTENABLEL 0x14 /* int enable reg low */
+#define AVIC_INTTYPEH 0x18 /* int type reg high */
+#define AVIC_INTTYPEL 0x1C /* int type reg low */
+#define AVIC_NIPRIORITY(x) (0x20 + 4 * (7 - (x))) /* int priority */
+#define AVIC_NIVECSR 0x40 /* norm int vector/status */
+#define AVIC_FIVECSR 0x44 /* fast int vector/status */
+#define AVIC_INTSRCH 0x48 /* int source reg high */
+#define AVIC_INTSRCL 0x4C /* int source reg low */
+#define AVIC_INTFRCH 0x50 /* int force reg high */
+#define AVIC_INTFRCL 0x54 /* int force reg low */
+#define AVIC_NIPNDH 0x58 /* norm int pending high */
+#define AVIC_NIPNDL 0x5C /* norm int pending low */
+#define AVIC_FIPNDH 0x60 /* fast int pending high */
+#define AVIC_FIPNDL 0x64 /* fast int pending low */
+
+void __iomem *avic_base;
+
+int imx_irq_set_priority(unsigned char irq, unsigned char prio)
+{
+#ifdef CONFIG_MXC_IRQ_PRIOR
+ unsigned int temp;
+ unsigned int mask = 0x0F << irq % 8 * 4;
+
+ if (irq >= MXC_INTERNAL_IRQS)
+ return -EINVAL;;
+
+ temp = __raw_readl(avic_base + AVIC_NIPRIORITY(irq / 8));
+ temp &= ~mask;
+ temp |= prio & mask;
+
+ __raw_writel(temp, avic_base + AVIC_NIPRIORITY(irq / 8));
+
+ return 0;
+#else
+ return -ENOSYS;
+#endif
+}
+EXPORT_SYMBOL(imx_irq_set_priority);
+
+#ifdef CONFIG_FIQ
+int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
+{
+ unsigned int irqt;
+
+ if (irq >= MXC_INTERNAL_IRQS)
+ return -EINVAL;
+
+ if (irq < MXC_INTERNAL_IRQS / 2) {
+ irqt = __raw_readl(avic_base + AVIC_INTTYPEL) & ~(1 << irq);
+ __raw_writel(irqt | (!!type << irq), avic_base + AVIC_INTTYPEL);
+ } else {
+ irq -= MXC_INTERNAL_IRQS / 2;
+ irqt = __raw_readl(avic_base + AVIC_INTTYPEH) & ~(1 << irq);
+ __raw_writel(irqt | (!!type << irq), avic_base + AVIC_INTTYPEH);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(mxc_set_irq_fiq);
+#endif /* CONFIG_FIQ */
+
+/* Disable interrupt number "irq" in the AVIC */
+static void mxc_mask_irq(unsigned int irq)
+{
+ __raw_writel(irq, avic_base + AVIC_INTDISNUM);
+}
+
+/* Enable interrupt number "irq" in the AVIC */
+static void mxc_unmask_irq(unsigned int irq)
+{
+ __raw_writel(irq, avic_base + AVIC_INTENNUM);
+}
+
+static struct irq_chip mxc_avic_chip = {
+ .ack = mxc_mask_irq,
+ .mask = mxc_mask_irq,
+ .unmask = mxc_unmask_irq,
+};
+
+/*
+ * This function initializes the AVIC hardware and disables all the
+ * interrupts. It registers the interrupt enable and disable functions
+ * to the kernel for each interrupt source.
+ */
+void __init mxc_init_irq(void __iomem *irqbase)
+{
+ int i;
+
+ avic_base = irqbase;
+
+ /* put the AVIC into the reset value with
+ * all interrupts disabled
+ */
+ __raw_writel(0, avic_base + AVIC_INTCNTL);
+ __raw_writel(0x1f, avic_base + AVIC_NIMASK);
+
+ /* disable all interrupts */
+ __raw_writel(0, avic_base + AVIC_INTENABLEH);
+ __raw_writel(0, avic_base + AVIC_INTENABLEL);
+
+ /* all IRQ no FIQ */
+ __raw_writel(0, avic_base + AVIC_INTTYPEH);
+ __raw_writel(0, avic_base + AVIC_INTTYPEL);
+ for (i = 0; i < MXC_INTERNAL_IRQS; i++) {
+ set_irq_chip(i, &mxc_avic_chip);
+ set_irq_handler(i, handle_level_irq);
+ set_irq_flags(i, IRQF_VALID);
+ }
+
+ /* Set default priority value (0) for all IRQ's */
+ for (i = 0; i < 8; i++)
+ __raw_writel(0, avic_base + AVIC_NIPRIORITY(i));
+
+#ifdef CONFIG_FIQ
+ /* Initialize FIQ */
+ init_FIQ();
+#endif
+
+ printk(KERN_INFO "MXC IRQ initialized\n");
+}
+
+++ /dev/null
-/*
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- */
-
-#include <linux/module.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <mach/common.h>
-#include <asm/mach/irq.h>
-#include <mach/hardware.h>
-
-#define AVIC_INTCNTL 0x00 /* int control reg */
-#define AVIC_NIMASK 0x04 /* int mask reg */
-#define AVIC_INTENNUM 0x08 /* int enable number reg */
-#define AVIC_INTDISNUM 0x0C /* int disable number reg */
-#define AVIC_INTENABLEH 0x10 /* int enable reg high */
-#define AVIC_INTENABLEL 0x14 /* int enable reg low */
-#define AVIC_INTTYPEH 0x18 /* int type reg high */
-#define AVIC_INTTYPEL 0x1C /* int type reg low */
-#define AVIC_NIPRIORITY(x) (0x20 + 4 * (7 - (x))) /* int priority */
-#define AVIC_NIVECSR 0x40 /* norm int vector/status */
-#define AVIC_FIVECSR 0x44 /* fast int vector/status */
-#define AVIC_INTSRCH 0x48 /* int source reg high */
-#define AVIC_INTSRCL 0x4C /* int source reg low */
-#define AVIC_INTFRCH 0x50 /* int force reg high */
-#define AVIC_INTFRCL 0x54 /* int force reg low */
-#define AVIC_NIPNDH 0x58 /* norm int pending high */
-#define AVIC_NIPNDL 0x5C /* norm int pending low */
-#define AVIC_FIPNDH 0x60 /* fast int pending high */
-#define AVIC_FIPNDL 0x64 /* fast int pending low */
-
-void __iomem *avic_base;
-
-int imx_irq_set_priority(unsigned char irq, unsigned char prio)
-{
-#ifdef CONFIG_MXC_IRQ_PRIOR
- unsigned int temp;
- unsigned int mask = 0x0F << irq % 8 * 4;
-
- if (irq >= MXC_INTERNAL_IRQS)
- return -EINVAL;;
-
- temp = __raw_readl(avic_base + AVIC_NIPRIORITY(irq / 8));
- temp &= ~mask;
- temp |= prio & mask;
-
- __raw_writel(temp, avic_base + AVIC_NIPRIORITY(irq / 8));
-
- return 0;
-#else
- return -ENOSYS;
-#endif
-}
-EXPORT_SYMBOL(imx_irq_set_priority);
-
-#ifdef CONFIG_FIQ
-int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
-{
- unsigned int irqt;
-
- if (irq >= MXC_INTERNAL_IRQS)
- return -EINVAL;
-
- if (irq < MXC_INTERNAL_IRQS / 2) {
- irqt = __raw_readl(avic_base + AVIC_INTTYPEL) & ~(1 << irq);
- __raw_writel(irqt | (!!type << irq), avic_base + AVIC_INTTYPEL);
- } else {
- irq -= MXC_INTERNAL_IRQS / 2;
- irqt = __raw_readl(avic_base + AVIC_INTTYPEH) & ~(1 << irq);
- __raw_writel(irqt | (!!type << irq), avic_base + AVIC_INTTYPEH);
- }
-
- return 0;
-}
-EXPORT_SYMBOL(mxc_set_irq_fiq);
-#endif /* CONFIG_FIQ */
-
-/* Disable interrupt number "irq" in the AVIC */
-static void mxc_mask_irq(unsigned int irq)
-{
- __raw_writel(irq, avic_base + AVIC_INTDISNUM);
-}
-
-/* Enable interrupt number "irq" in the AVIC */
-static void mxc_unmask_irq(unsigned int irq)
-{
- __raw_writel(irq, avic_base + AVIC_INTENNUM);
-}
-
-static struct irq_chip mxc_avic_chip = {
- .ack = mxc_mask_irq,
- .mask = mxc_mask_irq,
- .unmask = mxc_unmask_irq,
-};
-
-/*
- * This function initializes the AVIC hardware and disables all the
- * interrupts. It registers the interrupt enable and disable functions
- * to the kernel for each interrupt source.
- */
-void __init mxc_init_irq(void __iomem *irqbase)
-{
- int i;
-
- avic_base = irqbase;
-
- /* put the AVIC into the reset value with
- * all interrupts disabled
- */
- __raw_writel(0, avic_base + AVIC_INTCNTL);
- __raw_writel(0x1f, avic_base + AVIC_NIMASK);
-
- /* disable all interrupts */
- __raw_writel(0, avic_base + AVIC_INTENABLEH);
- __raw_writel(0, avic_base + AVIC_INTENABLEL);
-
- /* all IRQ no FIQ */
- __raw_writel(0, avic_base + AVIC_INTTYPEH);
- __raw_writel(0, avic_base + AVIC_INTTYPEL);
- for (i = 0; i < MXC_INTERNAL_IRQS; i++) {
- set_irq_chip(i, &mxc_avic_chip);
- set_irq_handler(i, handle_level_irq);
- set_irq_flags(i, IRQF_VALID);
- }
-
- /* Set default priority value (0) for all IRQ's */
- for (i = 0; i < 8; i++)
- __raw_writel(0, avic_base + AVIC_NIPRIORITY(i));
-
-#ifdef CONFIG_FIQ
- /* Initialize FIQ */
- init_FIQ();
-#endif
-
- printk(KERN_INFO "MXC IRQ initialized\n");
-}
-
projects / firefly-linux-kernel-4.4.55.git / commitdiff