From dc6aec60e15fec86cdafc47d9fe3e2ca6c10958b Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 20 Feb 2014 15:53:13 -0800 Subject: [PATCH] ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC 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 Signed-off-by: Florian Fainelli --- .../devicetree/bindings/arm/bcm/bcm63138.txt | 9 +++++++ arch/arm/mach-bcm/Kconfig | 17 ++++++++++++ arch/arm/mach-bcm/Makefile | 3 +++ arch/arm/mach-bcm/bcm63xx.c | 27 +++++++++++++++++++ 4 files changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/bcm/bcm63138.txt create mode 100644 arch/arm/mach-bcm/bcm63xx.c diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt b/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt new file mode 100644 index 000000000000..bd49987a8812 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt @@ -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" diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index fc938005ad39..2abad742516d 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -99,6 +99,23 @@ config ARCH_BCM_5301X different SoC or with the older BCM47XX and BCM53XX based 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 bool "Broadcom BCM7XXX based boards" if ARCH_MULTI_V7 depends on MMU diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index 67c492aabf4d..cbbb0be54554 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -34,6 +34,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2835.o # BCM5301X obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o +# BCM63XXx +obj-$(CONFIG_ARCH_BCM_63XX) := bcm63xx.o + ifeq ($(CONFIG_ARCH_BRCMSTB),y) obj-y += brcmstb.o obj-$(CONFIG_SMP) += headsmp-brcmstb.o platsmp-brcmstb.o diff --git a/arch/arm/mach-bcm/bcm63xx.c b/arch/arm/mach-bcm/bcm63xx.c new file mode 100644 index 000000000000..c4c66ae51308 --- /dev/null +++ b/arch/arm/mach-bcm/bcm63xx.c @@ -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 + +#include + +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 -- 2.20.1