ARM: cygnus: Initial support for Broadcom Cygnus SoC

Adds initial support for the Cygnus SoC based on Broadcom’s iProc series.

Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Desmond Liu <desmondl@broadcom.com>
Reviewed-by: JD (Jiandong) Zheng <jdzheng@broadcom.com>
Tested-by: Jonathan Richardson <jonathar@broadcom.com>
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 2abad742516df753e487721b42e6d9cfdb50d91c..73d95c2b355b77b5cc01ab49a72d531f6560ec80 100644 (file)
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -5,6 +5,36 @@ menuconfig ARCH_BCM
 
 if ARCH_BCM
 
+comment "IPROC architected SoCs"
+
+config ARCH_BCM_IPROC
+       bool
+       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_MOBILE
        bool "Broadcom Mobile SoC Support" if ARCH_MULTI_V7
        select ARCH_REQUIRE_GPIOLIB
@@ -65,6 +95,8 @@ endmenu
 
 endif
 
+comment "Other Architectures"
+
 config ARCH_BCM2835
        bool "Broadcom BCM2835 family" if ARCH_MULTI_V6
        select ARCH_REQUIRE_GPIOLIB

diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile
index 300ae4b79ae6343eeb17ca2abf899fb699b92b2b..34d45ba2a4d1796e6e18a3b5bf2160d7863cf5b5 100644 (file)
--- 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 (file)
index 0000000..30dc58b
--- /dev/null
+++ b/arch/arm/mach-bcm/bcm_cygnus.c
@@ -0,0 +1,25 @@
+/*
+ * 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 <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