MIPS: ath79: add QCA955X specific glue to ath79_device_reset_{set, clear}

The ath79_device_reset_* are causing BUG when
those are used on the QCA955x SoCs. The patch
adds the required code to avoid that.

Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4948/
Signed-off-by: John Crispin <blogic@openwrt.org>

2 files changed, 5 insertions, 0 deletions

diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c
index 5a4adfc9d79d..eb3966cd8cfc 100644
--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -72,6 +72,8 @@ void ath79_device_reset_set(u32 mask)
                 reg = AR933X_RESET_REG_RESET_MODULE;
         else if (soc_is_ar934x())
                 reg = AR934X_RESET_REG_RESET_MODULE;
+        else if (soc_is_qca955x())
+                reg = QCA955X_RESET_REG_RESET_MODULE;
         else
                 BUG();
 
@@ -98,6 +100,8 @@ void ath79_device_reset_clear(u32 mask)
                 reg = AR933X_RESET_REG_RESET_MODULE;
         else if (soc_is_ar934x())
                 reg = AR934X_RESET_REG_RESET_MODULE;
+        else if (soc_is_qca955x())
+                reg = QCA955X_RESET_REG_RESET_MODULE;
         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 4868ed5c149b..bf50ddfc9d5c 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -299,6 +299,7 @@
 #define AR934X_RESET_REG_BOOTSTRAP              0xb0
 #define AR934X_RESET_REG_PCIE_WMAC_INT_STATUS   0xac
 
+#define QCA955X_RESET_REG_RESET_MODULE          0x1c
 #define QCA955X_RESET_REG_BOOTSTRAP             0xb0
 #define QCA955X_RESET_REG_EXT_INT_STATUS        0xac