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ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC

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This patch adds basic support for the Broadcom BCM63138 DSL SoC which is
using a dual-core Cortex A9 system. Add the very minimum required code
boot Linux on this SoC.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Florian Fainelli 2014-02-20 15:53:13 -08:00
parent 7d1311b93e
commit dc6aec60e1
4 changed files with 56 additions and 0 deletions
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9
Documentation/devicetree/bindings/arm/bcm/bcm63138.txt Normal file
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@ -0,0 +1,9 @@
Broadcom BCM63138 DSL System-on-a-Chip device tree bindings
-----------------------------------------------------------
Boards compatible with the BCM63138 DSL System-on-a-Chip should have the
following properties:
Required root node property:
compatible: should be "brcm,bcm63138"

17
arch/arm/mach-bcm/Kconfig
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@ -99,6 +99,23 @@ config ARCH_BCM_5301X
different SoC or with the older BCM47XX and BCM53XX based different SoC or with the older BCM47XX and BCM53XX based
network SoC using a MIPS CPU, they are supported by arch/mips/bcm47xx network SoC using a MIPS CPU, they are supported by arch/mips/bcm47xx
config ARCH_BCM_63XX
bool "Broadcom BCM63xx DSL SoC" if ARCH_MULTI_V7
depends on MMU
select ARM_ERRATA_754322
select ARM_ERRATA_764369 if SMP
select ARM_GIC
select ARM_GLOBAL_TIMER
select CACHE_L2X0
select HAVE_ARM_ARCH_TIMER
select HAVE_ARM_TWD if SMP
select HAVE_ARM_SCU if SMP
select HAVE_SMP
help
This enables support for systems based on Broadcom DSL SoCs.
It currently supports the 'BCM63XX' ARM-based family, which includes
the BCM63138 variant.
config ARCH_BRCMSTB config ARCH_BRCMSTB
bool "Broadcom BCM7XXX based boards" if ARCH_MULTI_V7 bool "Broadcom BCM7XXX based boards" if ARCH_MULTI_V7
depends on MMU depends on MMU

3
arch/arm/mach-bcm/Makefile
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@ -34,6 +34,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2835.o
# BCM5301X # BCM5301X
obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o
# BCM63XXx
obj-$(CONFIG_ARCH_BCM_63XX) := bcm63xx.o
ifeq ($(CONFIG_ARCH_BRCMSTB),y) ifeq ($(CONFIG_ARCH_BRCMSTB),y)
obj-y += brcmstb.o obj-y += brcmstb.o
obj-$(CONFIG_SMP) += headsmp-brcmstb.o platsmp-brcmstb.o obj-$(CONFIG_SMP) += headsmp-brcmstb.o platsmp-brcmstb.o

27
arch/arm/mach-bcm/bcm63xx.c Normal file
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@ -0,0 +1,27 @@
/*
* Copyright (C) 2014 Broadcom Corporation
*
* 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 version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; 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 bcm63xx_dt_compat[] = {
"brcm,bcm63138",
NULL
};
DT_MACHINE_START(BCM63XXX_DT, "BCM63xx DSL SoC")
.dt_compat = bcm63xx_dt_compat,
.l2c_aux_val = 0,
.l2c_aux_mask = ~0,
MACHINE_END