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Date: Sun, 8 Dec 2013 15:14:06 +0100
From: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc: Russell King <linux@....linux.org.uk>,
Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
Kevin Hilman <khilman@...aro.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 9/9] ARM: add initial support for Marvell Berlin SoCs
This adds initial support for the Marvell Berlin SoC family with
Armada 1500 (88DE3100) and Armada 1500-mini (88DE3005) SoCs.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Reviewed-by: Jason Cooper <jason@...edaemon.net>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Reviewed-by: Arnd Bergmann <arnd@...db.de>
---
Changelog:
v3->v4:
- move ARM_GIC to ARCH_BERLIN (Suggested by Jisheng Zhang)
- re-add 'if SMP' dependency for HAVE_ARM_TWD as it still depends on
SMP
- Note: I did not move l2x0_of_init to init_early, as it is too early
for current l2x0_of_init.
v2->v3:
- add Armada 1500-mini (BG2CD) Kconfig
v1->v2:
- replace 88DE3xxx numbering with SoC variant name
(Requested by Jisheng Zhang)
- remove LOCAL_TIMERS dependency (Suggested by Dinh Nguyen)
RFCv2->v1:
- remove custom .init_time, adds dependency for arch-wide of_clk_init call
RFCv1->RFCv2:
- nuke .map_io (Reported by Arnd Bergmann)
- add copyright reference
- switch to mach-berlin instead of mach-mvebu
Cc: Russell King <linux@....linux.org.uk>
Cc: Olof Johansson <olof@...om.net>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Kevin Hilman <khilman@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
arch/arm/Kconfig | 2 ++
arch/arm/Makefile | 1 +
arch/arm/mach-berlin/Kconfig | 29 +++++++++++++++++++++++++++++
arch/arm/mach-berlin/Makefile | 1 +
arch/arm/mach-berlin/berlin.c | 39 +++++++++++++++++++++++++++++++++++++++
5 files changed, 72 insertions(+)
create mode 100644 arch/arm/mach-berlin/Kconfig
create mode 100644 arch/arm/mach-berlin/Makefile
create mode 100644 arch/arm/mach-berlin/berlin.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c1f1a7e..121153f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -911,6 +911,8 @@ source "arch/arm/mach-bcm/Kconfig"
source "arch/arm/mach-bcm2835/Kconfig"
+source "arch/arm/mach-berlin/Kconfig"
+
source "arch/arm/mach-clps711x/Kconfig"
source "arch/arm/mach-cns3xxx/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c99b108..483abc7 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -148,6 +148,7 @@ textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
machine-$(CONFIG_ARCH_AT91) += at91
machine-$(CONFIG_ARCH_BCM) += bcm
machine-$(CONFIG_ARCH_BCM2835) += bcm2835
+machine-$(CONFIG_ARCH_BERLIN) += berlin
machine-$(CONFIG_ARCH_CLPS711X) += clps711x
machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
machine-$(CONFIG_ARCH_DAVINCI) += davinci
diff --git a/arch/arm/mach-berlin/Kconfig b/arch/arm/mach-berlin/Kconfig
new file mode 100644
index 0000000..7a02d22
--- /dev/null
+++ b/arch/arm/mach-berlin/Kconfig
@@ -0,0 +1,29 @@
+config ARCH_BERLIN
+ bool "Marvell Berlin SoCs" if ARCH_MULTI_V7
+ select ARM_GIC
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_IRQ_CHIP
+ select COMMON_CLK
+ select DW_APB_ICTL
+ select DW_APB_TIMER_OF
+
+if ARCH_BERLIN
+
+menu "Marvell Berlin SoC variants"
+
+config MACH_BERLIN_BG2
+ bool "Marvell Armada 1500 (BG2)"
+ select CACHE_L2X0
+ select CPU_PJ4B
+ select HAVE_ARM_TWD if SMP
+ select HAVE_SMP
+
+config MACH_BERLIN_BG2CD
+ bool "Marvell Armada 1500-mini (BG2CD)"
+ select CACHE_L2X0
+ select CPU_V7
+ select HAVE_ARM_TWD if SMP
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-berlin/Makefile b/arch/arm/mach-berlin/Makefile
new file mode 100644
index 0000000..ab69fe9
--- /dev/null
+++ b/arch/arm/mach-berlin/Makefile
@@ -0,0 +1 @@
+obj-y += berlin.o
diff --git a/arch/arm/mach-berlin/berlin.c b/arch/arm/mach-berlin/berlin.c
new file mode 100644
index 0000000..025bcb5
--- /dev/null
+++ b/arch/arm/mach-berlin/berlin.c
@@ -0,0 +1,39 @@
+/*
+ * Device Tree support for Marvell Berlin SoCs.
+ *
+ * Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
+ *
+ * based on GPL'ed 2.6 kernel sources
+ * (c) Marvell International Ltd.
+ *
+ * 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/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/of_platform.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/mach/arch.h>
+
+static void __init berlin_init_machine(void)
+{
+ /*
+ * with DT probing for L2CCs, berlin_init_machine can be removed.
+ * Note: 88DE3005 (Armada 1500-mini) uses pl310 l2cc
+ */
+ l2x0_of_init(0x70c00000, 0xfeffffff);
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char * const berlin_dt_compat[] = {
+ "marvell,berlin",
+ NULL,
+};
+
+DT_MACHINE_START(BERLIN_DT, "Marvell Berlin")
+ .dt_compat = berlin_dt_compat,
+ .init_machine = berlin_init_machine,
+MACHINE_END
--
1.8.4.rc3
--
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