void __iomem *base = ar71xx_gpio_base;
u32 pending;
- pending = __raw_readl(base + GPIO_REG_INT_PENDING) &
- __raw_readl(base + GPIO_REG_INT_ENABLE);
+ pending = __raw_readl(base + AR71XX_GPIO_REG_INT_PENDING) &
+ __raw_readl(base + AR71XX_GPIO_REG_INT_ENABLE);
if (pending)
do_IRQ(AR71XX_GPIO_IRQ_BASE + fls(pending) - 1);
spurious_interrupt();
}
-static void ar71xx_gpio_irq_unmask(unsigned int irq)
+static void ar71xx_gpio_irq_unmask(struct irq_data *d)
{
+ unsigned int irq = d->irq - AR71XX_GPIO_IRQ_BASE;
void __iomem *base = ar71xx_gpio_base;
u32 t;
- irq -= AR71XX_GPIO_IRQ_BASE;
-
- t = __raw_readl(base + GPIO_REG_INT_ENABLE);
- __raw_writel(t | (1 << irq), base + GPIO_REG_INT_ENABLE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_INT_ENABLE);
+ __raw_writel(t | (1 << irq), base + AR71XX_GPIO_REG_INT_ENABLE);
/* flush write */
- (void) __raw_readl(base + GPIO_REG_INT_ENABLE);
+ (void) __raw_readl(base + AR71XX_GPIO_REG_INT_ENABLE);
}
-static void ar71xx_gpio_irq_mask(unsigned int irq)
+static void ar71xx_gpio_irq_mask(struct irq_data *d)
{
+ unsigned int irq = d->irq - AR71XX_GPIO_IRQ_BASE;
void __iomem *base = ar71xx_gpio_base;
u32 t;
- irq -= AR71XX_GPIO_IRQ_BASE;
-
- t = __raw_readl(base + GPIO_REG_INT_ENABLE);
- __raw_writel(t & ~(1 << irq), base + GPIO_REG_INT_ENABLE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_INT_ENABLE);
+ __raw_writel(t & ~(1 << irq), base + AR71XX_GPIO_REG_INT_ENABLE);
/* flush write */
- (void) __raw_readl(base + GPIO_REG_INT_ENABLE);
+ (void) __raw_readl(base + AR71XX_GPIO_REG_INT_ENABLE);
}
-#if 0
-static int ar71xx_gpio_irq_set_type(unsigned int irq, unsigned int flow_type)
-{
- /* TODO: implement */
- return 0;
-}
-#else
-#define ar71xx_gpio_irq_set_type NULL
-#endif
-
static struct irq_chip ar71xx_gpio_irq_chip = {
.name = "AR71XX GPIO",
- .unmask = ar71xx_gpio_irq_unmask,
- .mask = ar71xx_gpio_irq_mask,
- .mask_ack = ar71xx_gpio_irq_mask,
- .set_type = ar71xx_gpio_irq_set_type,
+ .irq_unmask = ar71xx_gpio_irq_unmask,
+ .irq_mask = ar71xx_gpio_irq_mask,
+ .irq_mask_ack = ar71xx_gpio_irq_mask,
};
static struct irqaction ar71xx_gpio_irqaction = {
void __iomem *base = ar71xx_gpio_base;
int i;
- __raw_writel(0, base + GPIO_REG_INT_ENABLE);
- __raw_writel(0, base + GPIO_REG_INT_PENDING);
+ __raw_writel(0, base + AR71XX_GPIO_REG_INT_ENABLE);
+ __raw_writel(0, base + AR71XX_GPIO_REG_INT_PENDING);
/* setup type of all GPIO interrupts to level sensitive */
- __raw_writel(GPIO_INT_ALL, base + GPIO_REG_INT_TYPE);
+ __raw_writel(GPIO_INT_ALL, base + AR71XX_GPIO_REG_INT_TYPE);
/* setup polarity of all GPIO interrupts to active high */
- __raw_writel(GPIO_INT_ALL, base + GPIO_REG_INT_POLARITY);
+ __raw_writel(GPIO_INT_ALL, base + AR71XX_GPIO_REG_INT_POLARITY);
for (i = AR71XX_GPIO_IRQ_BASE;
i < AR71XX_GPIO_IRQ_BASE + AR71XX_GPIO_IRQ_COUNT; i++)
- set_irq_chip_and_handler(i, &ar71xx_gpio_irq_chip,
+ irq_set_chip_and_handler(i, &ar71xx_gpio_irq_chip,
handle_level_irq);
setup_irq(AR71XX_MISC_IRQ_GPIO, &ar71xx_gpio_irqaction);
spurious_interrupt();
}
-static void ar71xx_misc_irq_unmask(unsigned int irq)
+static void ar71xx_misc_irq_unmask(struct irq_data *d)
{
+ unsigned int irq = d->irq - AR71XX_MISC_IRQ_BASE;
void __iomem *base = ar71xx_reset_base;
u32 t;
- irq -= AR71XX_MISC_IRQ_BASE;
-
t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
__raw_writel(t | (1 << irq), base + AR71XX_RESET_REG_MISC_INT_ENABLE);
(void) __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
}
-static void ar71xx_misc_irq_mask(unsigned int irq)
+static void ar71xx_misc_irq_mask(struct irq_data *d)
{
+ unsigned int irq = d->irq - AR71XX_MISC_IRQ_BASE;
void __iomem *base = ar71xx_reset_base;
u32 t;
- irq -= AR71XX_MISC_IRQ_BASE;
-
t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
__raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_MISC_INT_ENABLE);
(void) __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
}
-static void ar724x_misc_irq_ack(unsigned int irq)
+static void ar724x_misc_irq_ack(struct irq_data *d)
{
+ unsigned int irq = d->irq - AR71XX_MISC_IRQ_BASE;
void __iomem *base = ar71xx_reset_base;
u32 t;
- irq -= AR71XX_MISC_IRQ_BASE;
-
t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS);
__raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_MISC_INT_STATUS);
static struct irq_chip ar71xx_misc_irq_chip = {
.name = "AR71XX MISC",
- .unmask = ar71xx_misc_irq_unmask,
- .mask = ar71xx_misc_irq_mask,
+ .irq_unmask = ar71xx_misc_irq_unmask,
+ .irq_mask = ar71xx_misc_irq_mask,
};
static struct irqaction ar71xx_misc_irqaction = {
case AR71XX_SOC_AR9341:
case AR71XX_SOC_AR9342:
case AR71XX_SOC_AR9344:
- ar71xx_misc_irq_chip.ack = ar724x_misc_irq_ack;
+ ar71xx_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
break;
default:
- ar71xx_misc_irq_chip.mask_ack = ar71xx_misc_irq_mask;
+ ar71xx_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask;
break;
}
for (i = AR71XX_MISC_IRQ_BASE;
i < AR71XX_MISC_IRQ_BASE + AR71XX_MISC_IRQ_COUNT; i++)
- set_irq_chip_and_handler(i, &ar71xx_misc_irq_chip,
+ irq_set_chip_and_handler(i, &ar71xx_misc_irq_chip,
handle_level_irq);
setup_irq(AR71XX_CPU_IRQ_MISC, &ar71xx_misc_irqaction);
}
+static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+{
+ u32 status;
+
+ disable_irq_nosync(irq);
+
+ status = ar71xx_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS);
+
+ if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) {
+ ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_PCIE);
+ generic_handle_irq(AR934X_IP2_IRQ_PCIE);
+ } else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
+ ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_WMAC);
+ generic_handle_irq(AR934X_IP2_IRQ_WMAC);
+ } else {
+ spurious_interrupt();
+ }
+
+ enable_irq(irq);
+}
+
+static void ar934x_ip2_irq_init(void)
+{
+ int i;
+
+ for (i = AR934X_IP2_IRQ_BASE;
+ i < AR934X_IP2_IRQ_BASE + AR934X_IP2_IRQ_COUNT; i++)
+ irq_set_chip_and_handler(i, &dummy_irq_chip,
+ handle_level_irq);
+
+ irq_set_chained_handler(AR71XX_CPU_IRQ_IP2, ar934x_ip2_irq_dispatch);
+}
+
+
/*
* The IP2/IP3 lines are tied to a PCI/WMAC/USB device. Drivers for
* these devices typically allocate coherent DMA memory, however the
static void ar934x_ip2_handler(void)
{
- ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_PCIE);
do_IRQ(AR71XX_CPU_IRQ_IP2);
}
else if (pending & STATUSF_IP6)
ar71xx_misc_irq_dispatch();
- spurious_interrupt();
+ else
+ spurious_interrupt();
}
void __init arch_init_irq(void)
ar71xx_misc_irq_init();
+ if (ar71xx_soc == AR71XX_SOC_AR9341 ||
+ ar71xx_soc == AR71XX_SOC_AR9342 ||
+ ar71xx_soc == AR71XX_SOC_AR9344)
+ ar934x_ip2_irq_init();
+
cp0_perfcount_irq = AR71XX_MISC_IRQ_PERFC;
ar71xx_gpio_irq_init();