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Message-Id: <1344350092-24050-2-git-send-email-ian.molton@codethink.co.uk>
Date: Tue, 7 Aug 2012 15:34:46 +0100
From: Ian Molton <ian.molton@...ethink.co.uk>
To: linux-arm-kernel@...ts.infradead.org
Cc: andrew@...n.ch, thomas.petazzoni@...e-electrons.com,
ben.dooks@...ethink.co.uk, arnd@...db.de, netdev@...r.kernel.org
Subject: [PATCH v3 1/7] Initial csb1724 board support (FDT)
This patch adds support for the csb1724 SoM.
It includes serial and SATA support.
Signed-off-by: Ian Molton <ian.molton@...ethink.co.uk>
---
arch/arm/boot/dts/kirkwood-csb1724.dts | 30 ++++++++++++++++
arch/arm/mach-kirkwood/Kconfig | 7 ++++
arch/arm/mach-kirkwood/Makefile | 1 +
arch/arm/mach-kirkwood/Makefile.boot | 1 +
arch/arm/mach-kirkwood/board-csb1724.c | 59 ++++++++++++++++++++++++++++++++
arch/arm/mach-kirkwood/board-dt.c | 4 +++
arch/arm/mach-kirkwood/common.h | 6 ++++
7 files changed, 108 insertions(+)
create mode 100644 arch/arm/boot/dts/kirkwood-csb1724.dts
create mode 100644 arch/arm/mach-kirkwood/board-csb1724.c
diff --git a/arch/arm/boot/dts/kirkwood-csb1724.dts b/arch/arm/boot/dts/kirkwood-csb1724.dts
new file mode 100644
index 0000000..44dfe9a
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-csb1724.dts
@@ -0,0 +1,30 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+
+/ {
+ model = "Cogent CSB1724-88F-628X SoM";
+ compatible = "cogent,csb1724", "marvell,kirkwood-88f6281", "marvell,kirkwood";
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x20000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 earlyprintk";
+ };
+
+ ocp@...00000 {
+ serial@...00 {
+ clock-frequency = <200000000>;
+ status = "ok";
+ };
+
+ sata@...00 {
+ nr-ports = <2>;
+ status = "ok";
+ };
+ };
+
+};
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index ca5c15a..6d51c50 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -109,6 +109,13 @@ config MACH_LSXL_DT
Buffalo Linkstation LS-XHL & LS-CHLv2 devices, using
Flattened Device Tree.
+config MACH_CSB1724_DT
+ bool "Cogent CSB1724 SoM (Flattened Device Tree)"
+ select ARCH_KIRKWOOD_DT
+ help
+ Say 'Y' here if you want your kernel to support the
+ Cogent CSB1724 SoM, using 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 055c85a..665ed63 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -28,3 +28,4 @@ obj-$(CONFIG_MACH_IB62X0_DT) += board-ib62x0.o
obj-$(CONFIG_MACH_TS219_DT) += board-ts219.o tsx1x-common.o
obj-$(CONFIG_MACH_GOFLEXNET_DT) += board-goflexnet.o
obj-$(CONFIG_MACH_LSXL_DT) += board-lsxl.o
+obj-$(CONFIG_MACH_CSB1724_DT) += board-csb1724.o
diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot
index 2a576ab..899bc80 100644
--- a/arch/arm/mach-kirkwood/Makefile.boot
+++ b/arch/arm/mach-kirkwood/Makefile.boot
@@ -2,6 +2,7 @@
params_phys-y := 0x00000100
initrd_phys-y := 0x00800000
+dtb-$(CONFIG_MACH_CSB1724_DT) += kirkwood-csb1724.dtb
dtb-$(CONFIG_MACH_DREAMPLUG_DT) += kirkwood-dreamplug.dtb
dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns320.dtb
dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns325.dtb
diff --git a/arch/arm/mach-kirkwood/board-csb1724.c b/arch/arm/mach-kirkwood/board-csb1724.c
new file mode 100644
index 0000000..979112d
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-csb1724.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2012 (C), Ian Molton <ian.molton@...ethink.co.uk>
+ *
+ * arch/arm/mach-kirkwood/board-csb1724.c
+ *
+ * Cogent csb1724 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 "mpp.h"
+
+static unsigned int csb1724_mpp_config[] __initdata = {
+ MPP0_NF_IO2,
+ MPP1_NF_IO3,
+ MPP2_NF_IO4,
+ MPP3_NF_IO5,
+ MPP4_NF_IO6,
+ MPP5_NF_IO7,
+ MPP8_TW0_SDA,
+ MPP9_TW0_SCK,
+ MPP12_SD_CLK,
+ MPP13_SD_CMD,
+ MPP14_SD_D0,
+ MPP15_SD_D1,
+ MPP16_SD_D2,
+ MPP17_SD_D3,
+ MPP18_NF_IO0,
+ MPP19_NF_IO1,
+ MPP20_GE1_TXD0,
+ MPP21_GE1_TXD1,
+ MPP22_GE1_TXD2,
+ MPP23_GE1_TXD3,
+ MPP24_GE1_RXD0,
+ MPP25_GE1_RXD1,
+ MPP26_GE1_RXD2,
+ MPP27_GE1_RXD3,
+ MPP30_GE1_RXCTL,
+ MPP31_GE1_RXCLK,
+ MPP32_GE1_TCLKOUT,
+ MPP33_GE1_TXCTL,
+ MPP34_SATA1_ACTn,
+ MPP35_SATA0_ACTn,
+ MPP36_TW1_SDA,
+ MPP37_TW1_SCK,
+};
+
+void __init csb1724_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ kirkwood_mpp_conf(csb1724_mpp_config);
+}
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index e4eb450..7679f7f 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -87,6 +87,9 @@ static void __init kirkwood_dt_init(void)
if (of_machine_is_compatible("buffalo,lsxl"))
lsxl_init();
+ if (of_machine_is_compatible("cogent,csb1724"))
+ csb1724_init();
+
of_platform_populate(NULL, kirkwood_dt_match_table,
kirkwood_auxdata_lookup, NULL);
}
@@ -100,6 +103,7 @@ static const char *kirkwood_dt_board_compat[] = {
"qnap,ts219",
"seagate,goflexnet",
"buffalo,lsxl",
+ "cogent,csb1724",
NULL
};
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 304dd1a..8aab1ae 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -94,6 +94,12 @@ void lsxl_init(void);
static inline void lsxl_init(void) {};
#endif
+#ifdef CONFIG_MACH_CSB1724_DT
+void csb1724_init(void);
+#else
+static inline void csb1724_init(void) {};
+#endif
+
/* early init functions not converted to fdt yet */
char *kirkwood_id(void);
void kirkwood_l2_init(void);
--
1.7.9.5
--
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