asmlinkage void plat_irq_dispatch(void)
{
unsigned long pending;
pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (pending & STATUSF_IP7)
do_IRQ(ATH79_CPU_IRQ_TIMER);
else if (pending & STATUSF_IP2) {
ath79_ddr_wb_flush(ath79_ip2_flush_reg);
do_IRQ(ATH79_CPU_IRQ_IP2);
}
else if (pending & STATUSF_IP4)
do_IRQ(ATH79_CPU_IRQ_GE0);
else if (pending & STATUSF_IP5)
do_IRQ(ATH79_CPU_IRQ_GE1);
else if (pending & STATUSF_IP3) {
ath79_ddr_wb_flush(ath79_ip3_flush_reg);
do_IRQ(ATH79_CPU_IRQ_USB);
}
else if (pending & STATUSF_IP6)
do_IRQ(ATH79_CPU_IRQ_MISC);
else
spurious_interrupt();
}
static void ar934x_ip2_irq_dispatch(struct irq_desc *desc)
{
u32 status;
status = ath79_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS);
if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) {
ath79_ddr_wb_flush(3);
generic_handle_irq(ATH79_IP2_IRQ(0));
} else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
ath79_ddr_wb_flush(4);
generic_handle_irq(ATH79_IP2_IRQ(1));
} else {
spurious_interrupt();
}
}
static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
{
u32 status;
disable_irq_nosync(irq);
status = ath79_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS);
if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) {
ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_PCIE);
generic_handle_irq(ATH79_IP2_IRQ(0));
} else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_WMAC);
generic_handle_irq(ATH79_IP2_IRQ(1));
} else {
spurious_interrupt();
}
enable_irq(irq);
}
asmlinkage void plat_irq_dispatch(void)
{
unsigned long pending;
int irq;
pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (!pending) {
spurious_interrupt();
return;
}
pending >>= CAUSEB_IP;
while (pending) {
irq = fls(pending) - 1;
if (irq < ARRAY_SIZE(irq_wb_chan) && irq_wb_chan[irq] != -1)
ath79_ddr_wb_flush(irq_wb_chan[irq]);
do_IRQ(MIPS_CPU_IRQ_BASE + irq);
pending &= ~BIT(irq);
}
}
static void ar934x_ip3_handler(void)
{
ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_USB);
do_IRQ(ATH79_CPU_IRQ(3));
}
static void ar933x_ip2_handler(void)
{
ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_WMAC);
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(2));
}