pending = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS) &
__raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
- if (pending & MISC_INT_UART)
- generic_handle_irq(ATH79_MISC_IRQ_UART);
-
- else if (pending & MISC_INT_DMA)
- generic_handle_irq(ATH79_MISC_IRQ_DMA);
-
- else if (pending & MISC_INT_PERFC)
- generic_handle_irq(ATH79_MISC_IRQ_PERFC);
-
- else if (pending & MISC_INT_TIMER)
- generic_handle_irq(ATH79_MISC_IRQ_TIMER);
-
- else if (pending & MISC_INT_TIMER2)
- generic_handle_irq(ATH79_MISC_IRQ_TIMER2);
-
- else if (pending & MISC_INT_TIMER3)
- generic_handle_irq(ATH79_MISC_IRQ_TIMER3);
-
- else if (pending & MISC_INT_TIMER4)
- generic_handle_irq(ATH79_MISC_IRQ_TIMER4);
-
- else if (pending & MISC_INT_OHCI)
- generic_handle_irq(ATH79_MISC_IRQ_OHCI);
-
- else if (pending & MISC_INT_ERROR)
- generic_handle_irq(ATH79_MISC_IRQ_ERROR);
-
- else if (pending & MISC_INT_GPIO)
- generic_handle_irq(ATH79_MISC_IRQ_GPIO);
-
- else if (pending & MISC_INT_WDOG)
- generic_handle_irq(ATH79_MISC_IRQ_WDOG);
+ if (!pending) {
+ spurious_interrupt();
+ return;
+ }
- else if (pending & MISC_INT_ETHSW)
- generic_handle_irq(ATH79_MISC_IRQ_ETHSW);
+ while (pending) {
+ int bit = __ffs(pending);
- else
- spurious_interrupt();
+ generic_handle_irq(ATH79_MISC_IRQ(bit));
+ pending &= ~BIT(bit);
+ }
}
static void ar71xx_misc_irq_unmask(struct irq_data *d)
if (soc_is_ar71xx() || soc_is_ar913x())
ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask;
- else if (soc_is_ar724x() || soc_is_ar933x() || soc_is_ar934x())
+ else if (soc_is_ar724x() ||
+ soc_is_ar933x() ||
+ soc_is_ar934x() ||
+ soc_is_qca955x())
ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
else
BUG();
handle_level_irq);
}
- irq_set_chained_handler(ATH79_CPU_IRQ_MISC, ath79_misc_irq_handler);
+ irq_set_chained_handler(ATH79_CPU_IRQ(6), ath79_misc_irq_handler);
}
static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
irq_set_chip_and_handler(i, &dummy_irq_chip,
handle_level_irq);
- irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar934x_ip2_irq_dispatch);
+ irq_set_chained_handler(ATH79_CPU_IRQ(2), ar934x_ip2_irq_dispatch);
+}
+
+static void qca955x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+{
+ u32 status;
+
+ disable_irq_nosync(irq);
+
+ status = ath79_reset_rr(QCA955X_RESET_REG_EXT_INT_STATUS);
+ status &= QCA955X_EXT_INT_PCIE_RC1_ALL | QCA955X_EXT_INT_WMAC_ALL;
+
+ if (status == 0) {
+ spurious_interrupt();
+ goto enable;
+ }
+
+ if (status & QCA955X_EXT_INT_PCIE_RC1_ALL) {
+ /* TODO: flush DDR? */
+ generic_handle_irq(ATH79_IP2_IRQ(0));
+ }
+
+ if (status & QCA955X_EXT_INT_WMAC_ALL) {
+ /* TODO: flush DDR? */
+ generic_handle_irq(ATH79_IP2_IRQ(1));
+ }
+
+enable:
+ enable_irq(irq);
+}
+
+static void qca955x_ip3_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+{
+ u32 status;
+
+ disable_irq_nosync(irq);
+
+ status = ath79_reset_rr(QCA955X_RESET_REG_EXT_INT_STATUS);
+ status &= QCA955X_EXT_INT_PCIE_RC2_ALL |
+ QCA955X_EXT_INT_USB1 |
+ QCA955X_EXT_INT_USB2;
+
+ if (status == 0) {
+ spurious_interrupt();
+ goto enable;
+ }
+
+ if (status & QCA955X_EXT_INT_USB1) {
+ /* TODO: flush DDR? */
+ generic_handle_irq(ATH79_IP3_IRQ(0));
+ }
+
+ if (status & QCA955X_EXT_INT_USB2) {
+ /* TODO: flush DDR? */
+ generic_handle_irq(ATH79_IP3_IRQ(1));
+ }
+
+ if (status & QCA955X_EXT_INT_PCIE_RC2_ALL) {
+ /* TODO: flush DDR? */
+ generic_handle_irq(ATH79_IP3_IRQ(2));
+ }
+
+enable:
+ enable_irq(irq);
+}
+
+static void qca955x_irq_init(void)
+{
+ int i;
+
+ for (i = ATH79_IP2_IRQ_BASE;
+ i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++)
+ irq_set_chip_and_handler(i, &dummy_irq_chip,
+ handle_level_irq);
+
+ irq_set_chained_handler(ATH79_CPU_IRQ(2), qca955x_ip2_irq_dispatch);
+
+ for (i = ATH79_IP3_IRQ_BASE;
+ i < ATH79_IP3_IRQ_BASE + ATH79_IP3_IRQ_COUNT; i++)
+ irq_set_chip_and_handler(i, &dummy_irq_chip,
+ handle_level_irq);
+
+ irq_set_chained_handler(ATH79_CPU_IRQ(3), qca955x_ip3_irq_dispatch);
}
asmlinkage void plat_irq_dispatch(void)
pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (pending & STATUSF_IP7)
- do_IRQ(ATH79_CPU_IRQ_TIMER);
+ do_IRQ(ATH79_CPU_IRQ(7));
else if (pending & STATUSF_IP2)
ath79_ip2_handler();
else if (pending & STATUSF_IP4)
- do_IRQ(ATH79_CPU_IRQ_GE0);
+ do_IRQ(ATH79_CPU_IRQ(4));
else if (pending & STATUSF_IP5)
- do_IRQ(ATH79_CPU_IRQ_GE1);
+ do_IRQ(ATH79_CPU_IRQ(5));
else if (pending & STATUSF_IP3)
ath79_ip3_handler();
else if (pending & STATUSF_IP6)
- do_IRQ(ATH79_CPU_IRQ_MISC);
+ do_IRQ(ATH79_CPU_IRQ(6));
else
spurious_interrupt();
* Issue a flush in the handlers to ensure that the driver sees
* the update.
*/
+
+static void ath79_default_ip2_handler(void)
+{
+ do_IRQ(ATH79_CPU_IRQ(2));
+}
+
+static void ath79_default_ip3_handler(void)
+{
+ do_IRQ(ATH79_CPU_IRQ(3));
+}
+
static void ar71xx_ip2_handler(void)
{
ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_PCI);
- do_IRQ(ATH79_CPU_IRQ_IP2);
+ do_IRQ(ATH79_CPU_IRQ(2));
}
static void ar724x_ip2_handler(void)
{
ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_PCIE);
- do_IRQ(ATH79_CPU_IRQ_IP2);
+ do_IRQ(ATH79_CPU_IRQ(2));
}
static void ar913x_ip2_handler(void)
{
ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_WMAC);
- do_IRQ(ATH79_CPU_IRQ_IP2);
+ do_IRQ(ATH79_CPU_IRQ(2));
}
static void ar933x_ip2_handler(void)
{
ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_WMAC);
- do_IRQ(ATH79_CPU_IRQ_IP2);
-}
-
-static void ar934x_ip2_handler(void)
-{
- do_IRQ(ATH79_CPU_IRQ_IP2);
+ do_IRQ(ATH79_CPU_IRQ(2));
}
static void ar71xx_ip3_handler(void)
{
ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_USB);
- do_IRQ(ATH79_CPU_IRQ_USB);
+ do_IRQ(ATH79_CPU_IRQ(3));
}
static void ar724x_ip3_handler(void)
{
ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_USB);
- do_IRQ(ATH79_CPU_IRQ_USB);
+ do_IRQ(ATH79_CPU_IRQ(3));
}
static void ar913x_ip3_handler(void)
{
ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_USB);
- do_IRQ(ATH79_CPU_IRQ_USB);
+ do_IRQ(ATH79_CPU_IRQ(3));
}
static void ar933x_ip3_handler(void)
{
ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_USB);
- do_IRQ(ATH79_CPU_IRQ_USB);
+ do_IRQ(ATH79_CPU_IRQ(3));
}
static void ar934x_ip3_handler(void)
{
ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_USB);
- do_IRQ(ATH79_CPU_IRQ_USB);
+ do_IRQ(ATH79_CPU_IRQ(3));
}
void __init arch_init_irq(void)
ath79_ip2_handler = ar933x_ip2_handler;
ath79_ip3_handler = ar933x_ip3_handler;
} else if (soc_is_ar934x()) {
- ath79_ip2_handler = ar934x_ip2_handler;
+ ath79_ip2_handler = ath79_default_ip2_handler;
ath79_ip3_handler = ar934x_ip3_handler;
+ } else if (soc_is_qca955x()) {
+ ath79_ip2_handler = ath79_default_ip2_handler;
+ ath79_ip3_handler = ath79_default_ip3_handler;
} else {
BUG();
}
- cp0_perfcount_irq = ATH79_MISC_IRQ_PERFC;
+ cp0_perfcount_irq = ATH79_MISC_IRQ(5);
mips_cpu_irq_init();
ath79_misc_irq_init();
if (soc_is_ar934x())
ar934x_ip2_irq_init();
+ else if (soc_is_qca955x())
+ qca955x_irq_init();
}
projects / cascardo / linux.git / blobdiff