[PATCH] ARM: kirkwood: Add Plat'Home OpenBlocks A6 support

Nobuhiro Iwamatsu iwamatsu at nigauri.org
Tue Nov 13 02:43:09 EST 2012


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 at nigauri.org>
---
V2: 
  - Remove unnecessary value from bootargs.
  - Update comment for MPP table.
  - Remove kirkwood_uart0_init().

 arch/arm/boot/dts/Makefile                   |    3 +-
 arch/arm/boot/dts/kirkwood-openblocks_a6.dts |   39 ++++++++++++++
 arch/arm/configs/kirkwood_defconfig          |    1 +
 arch/arm/mach-kirkwood/Kconfig               |    7 +++
 arch/arm/mach-kirkwood/Makefile              |    1 +
 arch/arm/mach-kirkwood/board-dt.c            |    4 ++
 arch/arm/mach-kirkwood/board-openblocks_a6.c |   71 ++++++++++++++++++++++++++
 arch/arm/mach-kirkwood/common.h              |    6 +++
 8 files changed, 131 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/kirkwood-openblocks_a6.dts
 create mode 100644 arch/arm/mach-kirkwood/board-openblocks_a6.c

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b994045..ce053a4 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -41,7 +41,8 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-dns320.dtb \
 	kirkwood-lschlv2.dtb \
 	kirkwood-lsxhl.dtb \
 	kirkwood-ts219-6281.dtb \
-	kirkwood-ts219-6282.dtb
+	kirkwood-ts219-6282.dtb \
+	kirkwood-openblocks_a6.dtb
 dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
 	msm8960-cdp.dtb
 dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
new file mode 100644
index 0000000..4fb088d
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
@@ -0,0 +1,39 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+
+/ {
+	model = "Plat'Home OpenBlocksA6";
+	compatible = "plathome,openblocks-a6", "marvell,kirkwood-88f6283", "marvell,kirkwood";
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x20000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8 earlyprintk";
+	};
+
+	ocp at f1000000 {
+		serial at 12000 {
+			clock-frequency = <200000000>;
+			status = "ok";
+		};
+
+		serial at 12100 {
+			clock-frequency = <200000000>;
+			status = "ok";
+		};
+
+		nand at 3000000 {
+			chip-delay = <25>;
+			status = "okay";
+		};
+
+		sata at 80000 {
+			nr-ports = <1>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig
index 74eee0c..8b5988c 100644
--- a/arch/arm/configs/kirkwood_defconfig
+++ b/arch/arm/configs/kirkwood_defconfig
@@ -27,6 +27,7 @@ CONFIG_MACH_GOFLEXNET_DT=y
 CONFIG_MACH_LSXL_DT=y
 CONFIG_MACH_IOMEGA_IX2_200_DT=y
 CONFIG_MACH_KM_KIRKWOOD_DT=y
+CONFIG_MACH_OPENBLOCKS_A6_DT=y
 CONFIG_MACH_TS219=y
 CONFIG_MACH_TS41X=y
 CONFIG_MACH_DOCKSTAR=y
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 50bca50..830bb5c 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -130,6 +130,13 @@ config MACH_KM_KIRKWOOD_DT
 	  Say 'Y' here if you want your kernel to support the
 	  Keymile Kirkwood Reference Desgin, 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_TS219
 	bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS"
 	help
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 294779f..ee38f9d 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -31,3 +31,4 @@ obj-$(CONFIG_MACH_GOFLEXNET_DT)		+= board-goflexnet.o
 obj-$(CONFIG_MACH_LSXL_DT)		+= board-lsxl.o
 obj-$(CONFIG_MACH_IOMEGA_IX2_200_DT)	+= board-iomega_ix2_200.o
 obj-$(CONFIG_MACH_KM_KIRKWOOD_DT)	+= board-km_kirkwood.o
+obj-$(CONFIG_MACH_OPENBLOCKS_A6_DT)	+= board-openblocks_a6.o
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index d94872f..c3aa0e2 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -94,6 +94,9 @@ static void __init kirkwood_dt_init(void)
 	if (of_machine_is_compatible("keymile,km_kirkwood"))
 		km_kirkwood_init();
 
+	if (of_machine_is_compatible("plathome,openblocks-a6"))
+		openblocks_a6_init();
+	
 	of_platform_populate(NULL, kirkwood_dt_match_table,
 			     kirkwood_auxdata_lookup, NULL);
 }
@@ -110,6 +113,7 @@ static const char *kirkwood_dt_board_compat[] = {
 	"buffalo,lsxl",
 	"iom,ix2-200",
 	"keymile,km_kirkwood",
+	"plathome,openblocks-a6",
 	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 0000000..e807e8c
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-openblocks_a6.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2012 Nobuhiro Iwamatsu <iwamatsu at 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 bcffd7c..0d0159e 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -112,6 +112,12 @@ void km_kirkwood_init(void);
 static inline void km_kirkwood_init(void) {};
 #endif
 
+#ifdef CONFIG_MACH_OPENBLOCKS_A6_DT
+void openblocks_a6_init(void);
+#else
+static inline void openblocks_a6_init(void) {};
+#endif
+
 /* early init functions not converted to fdt yet */
 char *kirkwood_id(void);
 void kirkwood_l2_init(void);
-- 
1.7.10.4




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