MIPS: ath79: Add AR933X specific IRQ initialization

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Kathy Giori <kgiori@qca.qualcomm.com>
Cc: "Luis R.  Rodriguez" <rodrigue@qca.qualcomm.com>
Patchwork: https://patchwork.linux-mips.org/patch/2530/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 9 insertions, 1 deletions

diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c
index 0d98114cbf4d..1b073de44680 100644
--- a/arch/mips/ath79/irq.c
+++ b/arch/mips/ath79/irq.c
@@ -129,7 +129,7 @@ static void __init ath79_misc_irq_init(void)
 
         if (soc_is_ar71xx() || soc_is_ar913x())
                 ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask;
-        else if (soc_is_ar724x())
+        else if (soc_is_ar724x() || soc_is_ar933x())
                 ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
         else
                 BUG();
@@ -186,6 +186,9 @@ void __init arch_init_irq(void)
         } else if (soc_is_ar913x()) {
                 ath79_ip2_flush_reg = AR913X_DDR_REG_FLUSH_WMAC;
                 ath79_ip3_flush_reg = AR913X_DDR_REG_FLUSH_USB;
+        } else if (soc_is_ar933x()) {
+                ath79_ip2_flush_reg = AR933X_DDR_REG_FLUSH_WMAC;
+                ath79_ip3_flush_reg = AR933X_DDR_REG_FLUSH_USB;
         } else
                 BUG();
 
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index c7159e3479c2..9c76185801d0 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -82,6 +82,11 @@
 #define AR913X_DDR_REG_FLUSH_USB        0x84
 #define AR913X_DDR_REG_FLUSH_WMAC       0x88
 
+#define AR933X_DDR_REG_FLUSH_GE0        0x7c
+#define AR933X_DDR_REG_FLUSH_GE1        0x80
+#define AR933X_DDR_REG_FLUSH_USB        0x84
+#define AR933X_DDR_REG_FLUSH_WMAC       0x88
+
 /*
  * PLL block
  */