[PATCH v2 1/5] ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC
From: f.fainelli@gmail.com (Florian Fainelli)
Date: 2014-08-15 00:11:23
Also in:
linux-devicetree
Subsystem:
arm port, broadcom bcm281xx/bcm11xxx/bcm216xx arm architecture, open firmware and flattened device tree bindings, the rest · Maintainers:
Russell King, Florian Fainelli, Ray Jui, Scott Branden, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2014-08-15 · Re: [PATCH v2 1/5] ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC · Arnd Bergmann <hidden>
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. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- Changes in v2: - removed custom map_io() function since it is not necessary - removed custom PL310 cache controller initialization, this has been submitted as part of more general patch .../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 | 41 ++++++++++++++++++++++ 4 files changed, 70 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..be69f414ebf0
--- /dev/null
+++ b/arch/arm/mach-bcm/bcm63xx.c@@ -0,0 +1,41 @@ +/* + * 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 <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/clocksource.h> +#include <linux/irqchip.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/hardware/cache-l2x0.h> + +static void __init bcm63xx_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, + &platform_bus); + l2x0_of_init(0, ~0); +} + +static const char * const bcm63xx_dt_compat[] = { + "brcm,bcm63138", + NULL +}; + +DT_MACHINE_START(BCM63XXX_DT, "BCM63xx DSL SoC") + .init_machine = bcm63xx_init, + .dt_compat = bcm63xx_dt_compat, +MACHINE_END
--
1.9.1