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Message-ID: <1412894671-5921-2-git-send-email-sbranden@broadcom.com>
Date: Thu, 9 Oct 2014 15:44:25 -0700
From: Scott Branden <sbranden@...adcom.com>
To: Christian Daudt <bcm@...thebug.org>,
Matt Porter <mporter@...aro.org>,
Russell King <linux@....linux.org.uk>,
<bcm-kernel-feedback-list@...adcom.com>,
Mike Turquette <mturquette@...aro.org>,
Alex Elder <elder@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
"Kumar Gala" <galak@...eaurora.org>,
Andrew Morton <akpm@...ux-foundation.org>,
"David S. Miller" <davem@...emloft.net>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Joe Perches <joe@...ches.com>,
"Mauro Carvalho Chehab" <m.chehab@...sung.com>,
Antti Palosaari <crope@....fi>
CC: JD Zheng <jdzheng@...adcom.com>, Ray Jui <rjui@...adcom.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
Jonathan Richardson <jonathar@...adcom.com>,
Scott Branden <sbranden@...adcom.com>
Subject: [PATCH V4 1/7] ARM: cygnus: Initial support for Broadcom Cygnus SoC
From: Jonathan Richardson <jonathar@...adcom.com>
Adds initial support for the Cygnus SoC based on Broadcom’s iProc series.
Move ARCH_BCM_5301x under the ARCH_BCM_IPROC architecture.
Reviewed-by: Ray Jui <rjui@...adcom.com>
Reviewed-by: Desmond Liu <desmondl@...adcom.com>
Reviewed-by: JD (Jiandong) Zheng <jdzheng@...adcom.com>
Tested-by: Jonathan Richardson <jonathar@...adcom.com>
Signed-off-by: Scott Branden <sbranden@...adcom.com>
---
arch/arm/Kconfig.debug | 2 +-
arch/arm/mach-bcm/Kconfig | 68 +++++++++++++++++++++++++++-------------
arch/arm/mach-bcm/Makefile | 3 ++
arch/arm/mach-bcm/bcm_cygnus.c | 26 +++++++++++++++
4 files changed, 77 insertions(+), 22 deletions(-)
create mode 100644 arch/arm/mach-bcm/bcm_cygnus.c
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54..85363de 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1051,7 +1051,7 @@ config DEBUG_UART_PL01X
# Compatibility options for 8250
config DEBUG_UART_8250
- def_bool ARCH_DOVE || ARCH_EBSA110 || \
+ def_bool ARCH_BCM_IPROC || ARCH_DOVE || ARCH_EBSA110 || \
(FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \
ARCH_IOP33X || ARCH_IXP4XX || \
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index fc93800..b2b6752 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -5,6 +5,53 @@ menuconfig ARCH_BCM
if ARCH_BCM
+menu "iProc SoC based Machine types"
+ config ARCH_BCM_IPROC
+ bool "Broadcom ARMv7 iProc boards" if ARCH_MULTI_V7
+ depends on ARCH_BCM_CYGNUS || ARCH_BCM_5301X
+ select ARM_GIC
+ select CACHE_L2X0
+ select HAVE_ARM_SCU if SMP
+ select HAVE_ARM_TWD if SMP
+ select ARM_GLOBAL_TIMER
+
+ select CLKSRC_MMIO
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_AMBA
+ select PINCTRL
+ help
+ This enables support for systems based on Broadcom IPROC architected SoCs.
+ The IPROC complex contains one or more ARM CPUs along with common
+ core periperals. Application specific SoCs are created by adding a
+ uArchitecture containing peripherals outside of the IPROC complex.
+ Currently supported SoCs are Cygnus.
+
+ config ARCH_BCM_CYGNUS
+ bool "Broadcom Cygnus Support" if ARCH_MULTI_V7
+ select ARCH_BCM_IPROC
+ help
+ Enable support for the Cygnus family,
+ which includes the following variants:
+ BCM11300, BCM11320, BCM11350, BCM11360,
+ BCM58300, BCM58302, BCM58303, BCM58305.
+
+ config ARCH_BCM_5301X
+ bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
+ select ARCH_BCM_IPROC
+ help
+ Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
+
+ This is a network SoC line mostly used in home routers and
+ wifi access points, it's internal name is Northstar.
+ This inclused the following SoC: BCM53010, BCM53011, BCM53012,
+ BCM53014, BCM53015, BCM53016, BCM53017, BCM53018, BCM4707,
+ BCM4708 and BCM4709.
+
+ Do not confuse this with the BCM4760 which is a totally
+ different SoC or with the older BCM47XX and BCM53XX based
+ network SoC using a MIPS CPU, they are supported by arch/mips/bcm47xx
+endmenu
+
config ARCH_BCM_MOBILE
bool "Broadcom Mobile SoC Support" if ARCH_MULTI_V7
select ARCH_REQUIRE_GPIOLIB
@@ -78,27 +125,6 @@ config ARCH_BCM2835
This enables support for the Broadcom BCM2835 SoC. This SoC is
used in the Raspberry Pi and Roku 2 devices.
-config ARCH_BCM_5301X
- bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
- select ARM_GIC
- select CACHE_L2X0
- select HAVE_ARM_SCU if SMP
- select HAVE_ARM_TWD if SMP
- select ARM_GLOBAL_TIMER
- select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
- help
- Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
-
- This is a network SoC line mostly used in home routers and
- wifi access points, it's internal name is Northstar.
- This inclused the following SoC: BCM53010, BCM53011, BCM53012,
- BCM53014, BCM53015, BCM53016, BCM53017, BCM53018, BCM4707,
- BCM4708 and BCM4709.
-
- Do not confuse this with the BCM4760 which is a totally
- 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_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 b19a396..46e092a 100644
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -10,6 +10,9 @@
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
+# Cygnus
+obj-$(CONFIG_ARCH_BCM_CYGNUS) += bcm_cygnus.o
+
# BCM281XX
obj-$(CONFIG_ARCH_BCM_281XX) += board_bcm281xx.o
diff --git a/arch/arm/mach-bcm/bcm_cygnus.c b/arch/arm/mach-bcm/bcm_cygnus.c
new file mode 100644
index 0000000..41b4933
--- /dev/null
+++ b/arch/arm/mach-bcm/bcm_cygnus.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2014 Broadcom Corporation. All rights reserved.
+ *
+ * Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * 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 <asm/mach/arch.h>
+
+static const char const *bcm_cygnus_dt_compat[] = {
+ "brcm,cygnus",
+ NULL,
+};
+
+DT_MACHINE_START(BCM_CYGNUS_DT, "Broadcom Cygnus SoC")
+ .l2c_aux_val = 0,
+ .l2c_aux_mask = ~0,
+ .dt_compat = bcm_cygnus_dt_compat,
+MACHINE_END
--
1.7.9.5
--
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