ARM: kirkwood: Add Plat'Home OpenBlocks A6 support

Add support for Plat'Home OpenBlocks A6 using the device tree
where possible.
This commit supports SATA, USB, ether and serial console.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

5 files changed, 89 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 141b105ce8d9..d018ad4bcc3c 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -173,6 +173,13 @@ config MACH_NETSPACE_MINI_V2_DT
 	  Network Space Mini v2 NAS (aka SafeBox), using Flattened
 	  Device Tree.
 
+config MACH_OPENBLOCKS_A6_DT
+	bool "Plat'Home OpenBlocks A6 (Flattened Device Tree)"
+	select ARCH_KIRKWOOD_DT
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Plat'Home OpenBlocks A6 (Flattened Device Tree).
+
 config MACH_TOPKICK_DT
 	bool "USI Topkick (Flattened Device Tree)"
 	select ARCH_KIRKWOOD_DT
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index b5bc33467590..8d2e5a96247c 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -38,4 +38,5 @@ obj-$(CONFIG_MACH_NETSPACE_MAX_V2_DT)	+= board-ns2.o
 obj-$(CONFIG_MACH_NETSPACE_LITE_V2_DT)	+= board-ns2.o
 obj-$(CONFIG_MACH_NETSPACE_MINI_V2_DT)	+= board-ns2.o
 obj-$(CONFIG_MACH_NSA310_DT)		+= board-nsa310.o
+obj-$(CONFIG_MACH_OPENBLOCKS_A6_DT)	+= board-openblocks_a6.o
 obj-$(CONFIG_MACH_TOPKICK_DT)		+= board-usi_topkick.o
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index 33c0bc1e2f3a..70eb01d96085 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -106,6 +106,9 @@ static void __init kirkwood_dt_init(void)
 	if (of_machine_is_compatible("mpl,cec4"))
 		mplcec4_init();
 
+	if (of_machine_is_compatible("plathome,openblocks-a6"))
+		openblocks_a6_init();
+
 	if (of_machine_is_compatible("usi,topkick"))
 		usi_topkick_init();
 
@@ -134,6 +137,7 @@ static const char *kirkwood_dt_board_compat[] = {
 	"lacie,netspace_lite_v2",
 	"lacie,netspace_mini_v2",
 	"mpl,cec4",
+	"plathome,openblocks-a6",
 	"usi,topkick",
 	"zyxel,nsa310",
 	NULL
diff --git a/arch/arm/mach-kirkwood/board-openblocks_a6.c b/arch/arm/mach-kirkwood/board-openblocks_a6.c
new file mode 100644
index 000000000000..e807e8cfdd44
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-openblocks_a6.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * arch/arm/mach-kirkwood/board-openblocks_a6.c
+ *
+ * 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/clk.h>
+#include <linux/clk-private.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mv643xx_eth_platform_data openblocks_ge00_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
+};
+
+static unsigned int openblocks_a6_mpp_config[] __initdata = {
+	MPP0_NF_IO2,
+	MPP1_NF_IO3,
+	MPP2_NF_IO4,
+	MPP3_NF_IO5,
+	MPP4_NF_IO6,
+	MPP5_NF_IO7,
+	MPP6_SYSRST_OUTn,
+	MPP8_UART1_RTS,
+	MPP9_UART1_CTS,
+	MPP10_UART0_TXD,
+	MPP11_UART0_RXD,
+	MPP13_UART1_TXD,
+	MPP14_UART1_RXD,
+	MPP15_UART0_RTS,
+	MPP16_UART0_CTS,
+	MPP18_NF_IO0,
+	MPP19_NF_IO1,
+	MPP20_GPIO, /* DIP SW0 */
+	MPP21_GPIO, /* DIP SW1 */
+	MPP22_GPIO, /* DIP SW2 */
+	MPP23_GPIO, /* DIP SW3 */
+	MPP24_GPIO, /* GPIO 0 */
+	MPP25_GPIO, /* GPIO 1 */
+	MPP26_GPIO, /* GPIO 2 */
+	MPP27_GPIO, /* GPIO 3 */
+	MPP28_GPIO, /* GPIO 4 */
+	MPP29_GPIO, /* GPIO 5 */
+	MPP30_GPIO, /* GPIO 6 */
+	MPP31_GPIO, /* GPIO 7 */
+	MPP36_TW1_SDA,
+	MPP37_TW1_SCK,
+	MPP38_GPIO, /* INIT */
+	MPP39_GPIO, /* USB OC */
+	MPP41_GPIO, /* LED: Red */
+	MPP42_GPIO, /* LED: Yellow */
+	MPP43_GPIO, /* LED: Green */
+	0,
+};
+
+void __init openblocks_a6_init(void)
+{
+	/*
+	 * Basic setup. Needs to be called early.
+	 */
+	kirkwood_mpp_conf(openblocks_a6_mpp_config);
+	kirkwood_ehci_init();
+	kirkwood_ge00_init(&openblocks_ge00_data);
+}
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index f86fcced0bb1..3e079d1d99d0 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -134,6 +134,12 @@ void nsa310_init(void);
 static inline void nsa310_init(void) {};
 #endif
 
+#ifdef CONFIG_MACH_OPENBLOCKS_A6_DT
+void openblocks_a6_init(void);
+#else
+static inline void openblocks_a6_init(void) {};
+#endif
+
 #ifdef CONFIG_MACH_TOPKICK_DT
 void usi_topkick_init(void);
 #else