diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/irq.c | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c index 9758f63f3..585e8d85b 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c @@ -248,10 +248,9 @@ static void __init ar71xx_misc_irq_init(void) } /* - * The IP2 line is tied to a PCI/WMAC device. Drivers for these - * devices typically allocate coherent DMA memory for the descriptor - * ring, however the DMA controller may still have some unsynchronized - * data in the FIFO. + * The IP2/IP3 lines are tied to a PCI/WMAC/USB device. Drivers for + * these devices typically allocate coherent DMA memory, however the + * DMA controller may still have some unsynchronized data in the FIFO. * Issue a flush in the handlers to ensure that the driver sees * the update. */ @@ -285,7 +284,37 @@ static void ar934x_ip2_handler(void) do_IRQ(AR71XX_CPU_IRQ_IP2); } +static void ar71xx_ip3_handler(void) +{ + ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_USB); + do_IRQ(AR71XX_CPU_IRQ_USB); +} + +static void ar724x_ip3_handler(void) +{ + ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_USB); + do_IRQ(AR71XX_CPU_IRQ_USB); +} + +static void ar913x_ip3_handler(void) +{ + ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_USB); + do_IRQ(AR71XX_CPU_IRQ_USB); +} + +static void ar933x_ip3_handler(void) +{ + ar71xx_ddr_flush(AR933X_DDR_REG_FLUSH_USB); + do_IRQ(AR71XX_CPU_IRQ_USB); +} + +static void ar934x_ip3_handler(void) +{ + do_IRQ(AR71XX_CPU_IRQ_USB); +} + static void (*ip2_handler)(void); +static void (*ip3_handler)(void); asmlinkage void plat_irq_dispatch(void) { @@ -306,7 +335,7 @@ asmlinkage void plat_irq_dispatch(void) do_IRQ(AR71XX_CPU_IRQ_GE1); else if (pending & STATUSF_IP3) - do_IRQ(AR71XX_CPU_IRQ_USB); + ip3_handler(); else if (pending & STATUSF_IP6) ar71xx_misc_irq_dispatch(); @@ -321,28 +350,33 @@ void __init arch_init_irq(void) case AR71XX_SOC_AR7141: case AR71XX_SOC_AR7161: ip2_handler = ar71xx_ip2_handler; + ip3_handler = ar71xx_ip3_handler; break; case AR71XX_SOC_AR7240: case AR71XX_SOC_AR7241: case AR71XX_SOC_AR7242: ip2_handler = ar724x_ip2_handler; + ip3_handler = ar724x_ip3_handler; break; case AR71XX_SOC_AR9130: case AR71XX_SOC_AR9132: ip2_handler = ar913x_ip2_handler; + ip3_handler = ar913x_ip3_handler; break; case AR71XX_SOC_AR9330: case AR71XX_SOC_AR9331: ip2_handler = ar933x_ip2_handler; + ip3_handler = ar933x_ip3_handler; break; case AR71XX_SOC_AR9341: case AR71XX_SOC_AR9342: case AR71XX_SOC_AR9344: ip2_handler = ar934x_ip2_handler; + ip3_handler = ar934x_ip3_handler; break; default: |