ARM: kirkwood: convert Guruplug Server Plus to use the device tree

Add a device tree entry for the Guruplug Server Plus board. This port
was based both on the work done on the dreamplug and the dockstar.

It builds, boots and works on my Guruplug Server Plus.

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

7 files changed, 151 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ed256e29cc2a..ebba972d774b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -56,6 +56,7 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-dns320.dtb \
         kirkwood-dockstar.dtb \
         kirkwood-dreamplug.dtb \
         kirkwood-goflexnet.dtb \
+        kirkwood-guruplug-server-plus.dtb \
         kirkwood-ib62x0.dtb \
         kirkwood-iconnect.dtb \
         kirkwood-iomega_ix2_200.dtb \
diff --git a/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts b/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
new file mode 100644
index 000000000000..9555a86297c2
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
@@ -0,0 +1,94 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+/include/ "kirkwood-6281.dtsi"
+
+/ {
+        model = "Globalscale Technologies Guruplug Server Plus";
+        compatible = "globalscale,guruplug-server-plus", "globalscale,guruplug", "marvell,kirkwood-88f6281", "marvell,kirkwood";
+
+        memory {
+                device_type = "memory";
+                reg = <0x00000000 0x20000000>;
+        };
+
+        chosen {
+                bootargs = "console=ttyS0,115200n8 earlyprintk";
+        };
+
+        ocp@f1000000 {
+                pinctrl: pinctrl@10000 {
+
+                        pinctrl-0 = < &pmx_led_health_r &pmx_led_health_g
+                                      &pmx_led_wmode_r &pmx_led_wmode_g >;
+                        pinctrl-names = "default";
+
+                        pmx_led_health_r: pmx-led-health-r {
+                                marvell,pins = "mpp46";
+                                marvell,function = "gpio";
+                        };
+                        pmx_led_health_g: pmx-led-health-g {
+                                marvell,pins = "mpp47";
+                                marvell,function = "gpio";
+                        };
+                        pmx_led_wmode_r: pmx-led-wmode-r {
+                                marvell,pins = "mpp48";
+                                marvell,function = "gpio";
+                        };
+                        pmx_led_wmode_g: pmx-led-wmode-g {
+                                marvell,pins = "mpp49";
+                                marvell,function = "gpio";
+                        };
+                };
+                serial@12000 {
+                        clock-frequency = <200000000>;
+                        status = "ok";
+                };
+
+                nand@3000000 {
+                        status = "okay";
+
+                        partition@0 {
+                                label = "u-boot";
+                                reg = <0x00000000 0x00100000>;
+                                read-only;
+                        };
+
+                        partition@100000 {
+                                label = "uImage";
+                                reg = <0x00100000 0x00400000>;
+                        };
+
+                        partition@500000 {
+                                label = "data";
+                                reg = <0x00500000 0x1fb00000>;
+                        };
+                };
+
+                sata@80000 {
+                        status = "okay";
+                        nr-ports = <1>;
+                };
+        };
+
+        gpio-leds {
+                compatible = "gpio-leds";
+
+                health-r {
+                        label = "guruplug:red:health";
+                        gpios = <&gpio1 14 1>;
+                };
+                health-g {
+                        label = "guruplug:green:health";
+                        gpios = <&gpio1 15 1>;
+                };
+                wmode-r {
+                        label = "guruplug:red:wmode";
+                        gpios = <&gpio1 16 1>;
+                };
+                wmode-g {
+                        label = "guruplug:green:wmode";
+                        gpios = <&gpio1 17 1>;
+                };
+        };
+};
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index f91cdff5a3e4..7b6a64bc5f40 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -58,6 +58,13 @@ config ARCH_KIRKWOOD_DT
           Say 'Y' here if you want your kernel to support the
           Marvell Kirkwood using flattened device tree.
 
+config MACH_GURUPLUG_DT
+        bool "Marvell GuruPlug Reference Board (Flattened Device Tree)"
+        select ARCH_KIRKWOOD_DT
+        help
+          Say 'Y' here if you want your kernel to support the
+          Marvell GuruPlug Reference Board (Flattened Device Tree).
+
 config MACH_DREAMPLUG_DT
         bool "Marvell DreamPlug (Flattened Device Tree)"
         select ARCH_KIRKWOOD_DT
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index d6653095a1eb..4cc4bee4d0cf 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_MACH_T5325)		+= t5325-setup.o
 
 obj-$(CONFIG_ARCH_KIRKWOOD_DT)          += board-dt.o
 obj-$(CONFIG_MACH_DREAMPLUG_DT)         += board-dreamplug.o
+obj-$(CONFIG_MACH_GURUPLUG_DT)          += board-guruplug.o
 obj-$(CONFIG_MACH_ICONNECT_DT)          += board-iconnect.o
 obj-$(CONFIG_MACH_DLINK_KIRKWOOD_DT)    += board-dnskw.o
 obj-$(CONFIG_MACH_IB62X0_DT)            += board-ib62x0.o
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index 8eac5487773b..05b3b7ea41f7 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -98,6 +98,9 @@ static void __init kirkwood_dt_init(void)
         if (of_machine_is_compatible("globalscale,dreamplug"))
                 dreamplug_init();
 
+        if (of_machine_is_compatible("globalscale,guruplug"))
+                guruplug_dt_init();
+
         if (of_machine_is_compatible("dlink,dns-kirkwood"))
                 dnskw_init();
 
@@ -149,6 +152,7 @@ static void __init kirkwood_dt_init(void)
 
 static const char * const kirkwood_dt_board_compat[] = {
         "globalscale,dreamplug",
+        "globalscale,guruplug",
         "dlink,dns-320",
         "dlink,dns-325",
         "iom,iconnect",
diff --git a/arch/arm/mach-kirkwood/board-guruplug.c b/arch/arm/mach-kirkwood/board-guruplug.c
new file mode 100644
index 000000000000..0a0df4554d8b
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-guruplug.c
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/mach-kirkwood/board-guruplug.c
+ *
+ * Marvell Guruplug Reference Board Init for drivers not converted to
+ * flattened device tree yet.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/gpio.h>
+#include <linux/platform_data/mmc-mvsdio.h>
+#include "common.h"
+
+static struct mv643xx_eth_platform_data guruplug_ge00_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
+};
+
+static struct mv643xx_eth_platform_data guruplug_ge01_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(1),
+};
+
+static struct mvsdio_platform_data guruplug_mvsdio_data = {
+        /* unfortunately the CD signal has not been connected */
+};
+
+void __init guruplug_dt_init(void)
+{
+        /*
+         * Basic setup. Needs to be called early.
+         */
+        kirkwood_ge00_init(&guruplug_ge00_data);
+        kirkwood_ge01_init(&guruplug_ge01_data);
+        kirkwood_sdio_init(&guruplug_mvsdio_data);
+}
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index e956d0277dd1..537bdf816af7 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -60,6 +60,11 @@ void dreamplug_init(void);
 #else
 static inline void dreamplug_init(void) {};
 #endif
+#ifdef CONFIG_MACH_GURUPLUG_DT
+void guruplug_dt_init(void);
+#else
+static inline void guruplug_dt_init(void) {};
+#endif
 #ifdef CONFIG_MACH_TS219_DT
 void qnap_dt_ts219_init(void);
 #else