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>

diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
index dc938cb..b955faf 100644 (file)
--- 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 a77f6ee..d02c2d4 100644 (file)
--- 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