MIPS: ath79: add early printk support for the QCA955X SoCs

The patch allows to see kernel messages on the
QCA955X SoCs in early boot stage.

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/4944/
Signed-off-by: John Crispin <blogic@openwrt.org>

2 files changed, 4 insertions, 0 deletions

diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
index dc938cb2ba58..b955fafc58ba 100644
--- a/arch/mips/ath79/early_printk.c
+++ b/arch/mips/ath79/early_printk.c
@@ -74,6 +74,8 @@ static void prom_putchar_init(void)
         case REV_ID_MAJOR_AR9341:
         case REV_ID_MAJOR_AR9342:
         case REV_ID_MAJOR_AR9344:
+        case REV_ID_MAJOR_QCA9556:
+        case REV_ID_MAJOR_QCA9558:
                 _prom_putchar = prom_putchar_ar71xx;
                 break;
 
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index a77f6ee70ec1..d02c2d4e600e 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -370,6 +370,8 @@
 #define REV_ID_MAJOR_AR9341             0x0120
 #define REV_ID_MAJOR_AR9342             0x1120
 #define REV_ID_MAJOR_AR9344             0x2120
+#define REV_ID_MAJOR_QCA9556            0x0130
+#define REV_ID_MAJOR_QCA9558            0x1130
 
 #define AR71XX_REV_ID_MINOR_MASK        0x3
 #define AR71XX_REV_ID_MINOR_AR7130      0x0