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ARM: Alpine: Initial support for Alpine platform

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This patch introduces initial architecture and device-tree support.

Signed-off-by: Saeed Bishara <saeed@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Tsahee Zidenberg 2015-03-12 13:53:00 +02:00 committed by Arnd Bergmann
parent c98ce6bf1a
commit 445d9b3060
5 changed files with 40 additions and 0 deletions
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2
arch/arm/Kconfig
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@ -844,6 +844,8 @@ config ARCH_VIRT
#
source "arch/arm/mach-mvebu/Kconfig"
source "arch/arm/mach-alpine/Kconfig"
source "arch/arm/mach-asm9260/Kconfig"
source "arch/arm/mach-at91/Kconfig"

1
arch/arm/Makefile
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@ -143,6 +143,7 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
# Machine directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
machine-$(CONFIG_ARCH_ALPINE) += alpine
machine-$(CONFIG_ARCH_AT91) += at91
machine-$(CONFIG_ARCH_AXXIA) += axxia
machine-$(CONFIG_ARCH_BCM) += bcm

8
arch/arm/mach-alpine/Kconfig Normal file
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@ -0,0 +1,8 @@
config ARCH_ALPINE
bool "Annapurna Labs Alpine platform" if ARCH_MULTI_V7
select ARM_AMBA
select ARM_GIC
select GENERIC_IRQ_CHIP
select HAVE_ARM_ARCH_TIMER
help
This enables support for the Annapurna Labs Alpine V1 boards.

1
arch/arm/mach-alpine/Makefile Normal file
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@ -0,0 +1 @@
obj-y += alpine_machine.o

28
arch/arm/mach-alpine/alpine_machine.c Normal file
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@ -0,0 +1,28 @@
/*
* Machine declaration for Alpine platforms.
*
* Copyright (C) 2015 Annapurna Labs Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
static const char * const al_match[] __initconst = {
"al,alpine",
NULL,
};
DT_MACHINE_START(AL_DT, "Annapurna Labs Alpine")
.dt_compat = al_match,
MACHINE_END