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Subject[PATCH v3 5/6] ARM: dove: convert to DT irqchip and clocksource
Date
With recent support for true irqchip and clocksource drivers for Orion
SoCs, now make use of it on DT enabled Dove boards.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
arch/arm/mach-dove/Kconfig | 2 ++
arch/arm/mach-dove/Makefile | 4 ++--
arch/arm/mach-dove/board-dt.c | 23 ++++++++++++++++-------
3 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig
index dff7b2f..0bc7cdf 100644
--- a/arch/arm/mach-dove/Kconfig
+++ b/arch/arm/mach-dove/Kconfig
@@ -23,6 +23,8 @@ config MACH_CM_A510
config MACH_DOVE_DT
bool "Marvell Dove Flattened Device Tree"
select DOVE_CLK
+ select ORION_IRQCHIP
+ select ORION_TIMER
select REGULATOR
select REGULATOR_FIXED_VOLTAGE
select USE_OF
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
index 4d9d2ff..cbc5c06 100644
--- a/arch/arm/mach-dove/Makefile
+++ b/arch/arm/mach-dove/Makefile
@@ -1,5 +1,5 @@
-obj-y += common.o irq.o
-obj-$(CONFIG_DOVE_LEGACY) += mpp.o
+obj-y += common.o
+obj-$(CONFIG_DOVE_LEGACY) += irq.o mpp.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_DOVE_DB) += dove-db-setup.o
obj-$(CONFIG_MACH_DOVE_DT) += board-dt.o
diff --git a/arch/arm/mach-dove/board-dt.c b/arch/arm/mach-dove/board-dt.c
index b3d65e8..b4ed3da 100644
--- a/arch/arm/mach-dove/board-dt.c
+++ b/arch/arm/mach-dove/board-dt.c
@@ -10,10 +10,13 @@

#include <linux/init.h>
#include <linux/clk-provider.h>
+#include <linux/clocksource.h>
+#include <linux/irqchip.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <asm/hardware/cache-tauros2.h>
#include <asm/mach/arch.h>
+#include <mach/dove.h>
#include <mach/pm.h>
#include <plat/common.h>
#include <plat/irq.h>
@@ -41,10 +44,17 @@ static void __init dove_legacy_clk_init(void)
of_clk_get_from_provider(&clkspec));
}

-static void __init dove_of_clk_init(void)
+static void __init dove_dt_time_init(void)
{
of_clk_init(NULL);
- dove_legacy_clk_init();
+ clocksource_of_init();
+}
+
+static void __init dove_dt_init_early(void)
+{
+ mvebu_mbus_init("marvell,dove-mbus",
+ BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
+ DOVE_MC_WINS_BASE, DOVE_MC_WINS_SZ);
}

static void __init dove_dt_init(void)
@@ -56,8 +66,8 @@ static void __init dove_dt_init(void)
#endif
dove_setup_cpu_wins();

- /* Setup root of clk tree */
- dove_of_clk_init();
+ /* setup clocks for legacy devices */
+ dove_legacy_clk_init();

/* Internal devices not ported to DT yet */
dove_pcie_init(1, 1);
@@ -72,9 +82,8 @@ static const char * const dove_dt_board_compat[] = {

DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")
.map_io = dove_map_io,
- .init_early = dove_init_early,
- .init_irq = orion_dt_init_irq,
- .init_time = dove_timer_init,
+ .init_early = dove_dt_init_early,
+ .init_time = dove_dt_time_init,
.init_machine = dove_dt_init,
.restart = dove_restart,
.dt_compat = dove_dt_board_compat,
--
1.7.2.5


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