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ARM: mvebu: add initial support for the Armada 375 SOCs

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This commit adds the basic support for the Armada 375 SOCs. These SoCs
share most of their IP with the Armada 370/XP SoCs. The main
difference is the use of a Cortex A9 CPU instead of the PJ4B CPU. The
interrupt controller and the L2 cache controller are also different
they are respectively the GIC and the PL310.

The support is introduced in board-v7.c, together with Armada 370/XP,
but a separate DT structure is added, because Armada 375 will need a
different set of SMP operations when the SMP support is introduced.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Gregory CLEMENT 2014-02-17 15:23:23 +01:00 committed by Jason Cooper
parent df863de19f
commit d3ce7f2594
3 changed files with 34 additions and 0 deletions
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9
Documentation/devicetree/bindings/arm/armada-375.txt Normal file
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@ -0,0 +1,9 @@
Marvell Armada 375 Platforms Device Tree Bindings
-------------------------------------------------
Boards with a SoC of the Marvell Armada 375 family shall have the
following property:
Required root node property:
compatible: must contain "marvell,armada375"

14
arch/arm/mach-mvebu/Kconfig
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@ -37,6 +37,20 @@ config MACH_ARMADA_370
Say 'Y' here if you want your kernel to support boards based
on the Marvell Armada 370 SoC with device tree.
config MACH_ARMADA_375
bool "Marvell Armada 375 boards"
select ARM_ERRATA_720789
select ARM_ERRATA_753970
select ARM_GIC
select ARMADA_375_CLK
select CPU_V7
select MACH_MVEBU_V7
select NEON
select PINCTRL_ARMADA_375
help
Say 'Y' here if you want your kernel to support boards based
on the Marvell Armada 375 SoC with device tree.
config MACH_ARMADA_XP
bool "Marvell Armada XP boards"
select ARMADA_XP_CLK

11
arch/arm/mach-mvebu/board-v7.c
View File

@ -89,3 +89,14 @@ DT_MACHINE_START(ARMADA_370_XP_DT, "Marvell Armada 370/XP (Device Tree)")
.restart = mvebu_restart,
.dt_compat = armada_370_xp_dt_compat,
MACHINE_END
static const char * const armada_375_dt_compat[] = {
"marvell,armada375",
NULL,
};
DT_MACHINE_START(ARMADA_375_DT, "Marvell Armada 375 (Device Tree)")
.init_time = mvebu_timer_and_clk_init,
.restart = mvebu_restart,
.dt_compat = armada_375_dt_compat,
MACHINE_END