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authorPaul Burton <paul.burton@imgtec.com>2015-05-24 18:11:46 +0300
committerRalf Baechle <ralf@linux-mips.org>2015-06-21 22:53:26 +0300
commit5b9cdd2449098b3cd519a02dfed7588fd2becd0e (patch)
tree1409cc92ca54851249a9f0df91729b00a6abc5b3 /arch/mips/jz4740
parent8838245d76b9bb2e20c9a7a977487d72c0117b9a (diff)
downloadlinux-5b9cdd2449098b3cd519a02dfed7588fd2becd0e.tar.xz
MIPS: ingenic: Initial JZ4780 support
Support the Ingenic JZ4780 SoC using the existing code under arch/mips/jz4740 now that it has been generalised sufficiently. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: Joshua Kinard <kumba@gentoo.org> Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Cc: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: linux-kernel@vger.kernel.org Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: Andreas Herrmann <andreas.herrmann@caviumnetworks.com> Patchwork: https://patchwork.linux-mips.org/patch/10164/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/jz4740')
-rw-r--r--arch/mips/jz4740/Kconfig6
-rw-r--r--arch/mips/jz4740/Makefile4
-rw-r--r--arch/mips/jz4740/setup.c3
-rw-r--r--arch/mips/jz4740/time.c7
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;