With recent support for true irqchip and clocksource drivers for Orion
SoCs, now make use of it on DT enabled Kirkwood boards.

This also introduces a new Kconfig option for legacy (non-DT) Kirkwood
where old code is moved out to and polishes DT board file a little bit.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselba...@gmail.com>
---
Cc: Grant Likely <grant.lik...@linaro.org>
Cc: Rob Herring <rob.herr...@calxeda.com>
Cc: Rob Landley <r...@landley.net>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: John Stultz <john.stu...@linaro.org>
Cc: Russell King <li...@arm.linux.org.uk>
Cc: Jason Cooper <ja...@lakedaemon.net>
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Thomas Petazzoni <thomas.petazz...@free-electrons.com>
Cc: Gregory Clement <gregory.clem...@free-electrons.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-ker...@vger.kernel.org
---
 arch/arm/mach-kirkwood/Kconfig    |   24 ++++++++++++++++++++++++
 arch/arm/mach-kirkwood/Makefile   |    4 ++--
 arch/arm/mach-kirkwood/board-dt.c |   28 +++++++++++++++++-----------
 3 files changed, 43 insertions(+), 13 deletions(-)

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 2c95623..f14914f 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -2,62 +2,75 @@ if ARCH_KIRKWOOD
 
 menu "Marvell Kirkwood Implementations"
 
+config KIRKWOOD_LEGACY
+       bool
+
 config MACH_D2NET_V2
        bool "LaCie d2 Network v2 NAS Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          LaCie d2 Network v2 NAS.
 
 config MACH_DOCKSTAR
        bool "Seagate FreeAgent DockStar"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Seagate FreeAgent DockStar.
 
 config MACH_ESATA_SHEEVAPLUG
        bool "Marvell eSATA SheevaPlug Reference Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Marvell eSATA SheevaPlug Reference Board.
 
 config MACH_GURUPLUG
        bool "Marvell GuruPlug Reference Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Marvell GuruPlug Reference Board.
 
 config MACH_INETSPACE_V2
        bool "LaCie Internet Space v2 NAS Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          LaCie Internet Space v2 NAS.
 
 config MACH_MV88F6281GTW_GE
        bool "Marvell 88F6281 GTW GE Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Marvell 88F6281 GTW GE Board.
 
 config MACH_NET2BIG_V2
        bool "LaCie 2Big Network v2 NAS Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          LaCie 2Big Network v2 NAS.
 
 config MACH_NET5BIG_V2
        bool "LaCie 5Big Network v2 NAS Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          LaCie 5Big Network v2 NAS.
 
 config MACH_NETSPACE_MAX_V2
        bool "LaCie Network Space Max v2 NAS Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          LaCie Network Space Max v2 NAS.
 
 config MACH_NETSPACE_V2
        bool "LaCie Network Space v2 NAS Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          LaCie Network Space v2 NAS.
@@ -67,6 +80,7 @@ config MACH_OPENRD
 
 config MACH_OPENRD_BASE
        bool "Marvell OpenRD Base Board"
+       select KIRKWOOD_LEGACY
        select MACH_OPENRD
        help
          Say 'Y' here if you want your kernel to support the
@@ -74,6 +88,7 @@ config MACH_OPENRD_BASE
 
 config MACH_OPENRD_CLIENT
        bool "Marvell OpenRD Client Board"
+       select KIRKWOOD_LEGACY
        select MACH_OPENRD
        help
          Say 'Y' here if you want your kernel to support the
@@ -81,6 +96,7 @@ config MACH_OPENRD_CLIENT
 
 config MACH_OPENRD_ULTIMATE
        bool "Marvell OpenRD Ultimate Board"
+       select KIRKWOOD_LEGACY
        select MACH_OPENRD
        help
          Say 'Y' here if you want your kernel to support the
@@ -88,30 +104,35 @@ config MACH_OPENRD_ULTIMATE
 
 config MACH_RD88F6192_NAS
        bool "Marvell RD-88F6192-NAS Reference Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Marvell RD-88F6192-NAS Reference Board.
 
 config MACH_RD88F6281
        bool "Marvell RD-88F6281 Reference Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Marvell RD-88F6281 Reference Board.
 
 config MACH_SHEEVAPLUG
        bool "Marvell SheevaPlug Reference Board"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          Marvell SheevaPlug Reference Board.
 
 config MACH_T5325
        bool "HP t5325 Thin Client"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          HP t5325 Thin Client.
 
 config MACH_TS219
        bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and 
TS-219P+ Turbo NAS"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and
@@ -119,6 +140,7 @@ config MACH_TS219
 
 config MACH_TS41X
        bool "QNAP TS-410, TS-410U, TS-419P, TS-419P+ and TS-419U Turbo NAS"
+       select KIRKWOOD_LEGACY
        help
          Say 'Y' here if you want your kernel to support the
          QNAP TS-410, TS-410U, TS-419P, TS-419P+ and TS-419U Turbo
@@ -129,6 +151,8 @@ comment "Device tree entries"
 config ARCH_KIRKWOOD_DT
        bool "Marvell Kirkwood Flattened Device Tree"
        select KIRKWOOD_CLK
+       select ORION_IRQCHIP
+       select ORION_TIMER
        select POWER_SUPPLY
        select POWER_RESET
        select POWER_RESET_GPIO
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 53caf14..91be973 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -1,5 +1,5 @@
-obj-y                          += common.o irq.o pcie.o mpp.o
-
+obj-y                          += common.o pcie.o
+obj-$(CONFIG_KIRKWOOD_LEGACY)  += irq.o mpp.o
 obj-$(CONFIG_MACH_D2NET_V2)            += d2net_v2-setup.o lacie_v2-common.o
 obj-$(CONFIG_MACH_DOCKSTAR)            += dockstar-setup.o
 obj-$(CONFIG_MACH_ESATA_SHEEVAPLUG)    += sheevaplug-setup.o
diff --git a/arch/arm/mach-kirkwood/board-dt.c 
b/arch/arm/mach-kirkwood/board-dt.c
index 1e4eac3..cec736b 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -15,6 +15,9 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/clk-provider.h>
+#include <linux/clocksource.h>
+#include <linux/dma-mapping.h>
+#include <linux/irqchip.h>
 #include <linux/kexec.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -49,10 +52,6 @@ static void __init kirkwood_legacy_clk_init(void)
        orion_clkdev_add("1", "pcie",
                         of_clk_get_from_provider(&clkspec));
 
-       clkspec.args[0] = CGC_BIT_SDIO;
-       orion_clkdev_add(NULL, "mvsdio",
-                        of_clk_get_from_provider(&clkspec));
-
        /*
         * The ethernet interfaces forget the MAC address assigned by
         * u-boot if the clocks are turned off. Until proper DT support
@@ -67,10 +66,18 @@ static void __init kirkwood_legacy_clk_init(void)
        clk_prepare_enable(clk);
 }
 
-static void __init kirkwood_of_clk_init(void)
+static void __init kirkwood_dt_time_init(void)
 {
        of_clk_init(NULL);
-       kirkwood_legacy_clk_init();
+       clocksource_of_init();
+}
+
+static void __init kirkwood_dt_init_early(void)
+{
+       init_dma_coherent_pool_size(SZ_1M);
+       mvebu_mbus_init("marvell,kirkwood-mbus",
+                       BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
+                       DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ);
 }
 
 static void __init kirkwood_dt_init(void)
@@ -91,8 +98,8 @@ static void __init kirkwood_dt_init(void)
 
        kirkwood_cpufreq_init();
 
-       /* Setup root of clk tree */
-       kirkwood_of_clk_init();
+       /* setup clocks for legacy devices */
+       kirkwood_legacy_clk_init();
 
        kirkwood_cpuidle_init();
 
@@ -117,9 +124,8 @@ static const char * const kirkwood_dt_board_compat[] = {
 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
        /* Maintainer: Jason Cooper <ja...@lakedaemon.net> */
        .map_io         = kirkwood_map_io,
-       .init_early     = kirkwood_init_early,
-       .init_irq       = orion_dt_init_irq,
-       .init_time      = kirkwood_timer_init,
+       .init_early     = kirkwood_dt_init_early,
+       .init_time      = kirkwood_dt_time_init,
        .init_machine   = kirkwood_dt_init,
        .restart        = kirkwood_restart,
        .dt_compat      = kirkwood_dt_board_compat,
-- 
1.7.2.5

_______________________________________________
devicetree-discuss mailing list
devicetree-discuss@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/devicetree-discuss

Reply via email to