4 files changed, 18 insertions, 2 deletions
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index dff0966284c4..21adcea73d63 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -12,3 +12,9 @@ endchoice
 config MACH_JZ4740
 	bool
 	select SYS_HAS_CPU_MIPS32_R1
+
+config MACH_JZ4780
+	bool
+	select MIPS_CPU_SCACHE
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_SUPPORTS_HIGHMEM
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index 89ce40143854..39d70bde8cfe 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -5,7 +5,9 @@
 # Object file lists.
 
 obj-y += prom.o time.o reset.o setup.o \
-	gpio.o platform.o timer.o
+	platform.o timer.o
+
+obj-$(CONFIG_MACH_JZ4740) += gpio.o
 
 CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt
 
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
index 1bed3cb062b3..510fc0d962f2 100644
--- a/arch/mips/jz4740/setup.c
+++ b/arch/mips/jz4740/setup.c
@@ -83,6 +83,9 @@ arch_initcall(populate_machine);
 
 const char *get_system_type(void)
 {
+	if (config_enabled(CONFIG_MACH_JZ4780))
+		return "JZ4780";
+
 	return "JZ4740";
 }
 
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
index 917255368db8..7ab47fee1be8 100644
--- a/arch/mips/jz4740/time.c
+++ b/arch/mips/jz4740/time.c
@@ -102,7 +102,12 @@ static struct clock_event_device jz4740_clockevent = {
 	.set_next_event = jz4740_clockevent_set_next,
 	.set_mode = jz4740_clockevent_set_mode,
 	.rating = 200,
+#ifdef CONFIG_MACH_JZ4740
 	.irq = JZ4740_IRQ_TCU0,
+#endif
+#ifdef CONFIG_MACH_JZ4780
+	.irq = JZ4780_IRQ_TCU2,
+#endif
 };
 
 static struct irqaction timer_irqaction = {
@@ -144,7 +149,7 @@ void __init plat_time_init(void)
 
 	sched_clock_register(jz4740_read_sched_clock, 16, clk_rate);
 
-	setup_irq(JZ4740_IRQ_TCU0, &timer_irqaction);
+	setup_irq(jz4740_clockevent.irq, &timer_irqaction);
 
 	ctrl = JZ_TIMER_CTRL_PRESCALE_16 | JZ_TIMER_CTRL_SRC_EXT;