ARM: Add support for Broadcom BCM23550 SoC

BCM23550 is a quad-A7 SoC used on the Broadcom "Sparrow" board.
It shares many IP blocks with other Broadcom Kona chips.

Signed-off-by: Chris Brand <chris.brand@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

3 files changed, 39 insertions, 3 deletions

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 68ab6412392a..5832dbae530f 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -111,9 +111,17 @@ config ARCH_BCM_21664
           Enable support for the BCM21664 family, which includes
           BCM21663 and BCM21664 variants.
 
+config ARCH_BCM_23550
+        bool "Broadcom BCM23550 SoC"
+        depends on ARCH_MULTI_V7
+        select ARCH_BCM_MOBILE
+        select HAVE_SMP
+        help
+          Enable support for the BCM23550.
+
 config ARCH_BCM_MOBILE_L2_CACHE
         bool "Broadcom mobile SoC level 2 cache support"
-        depends on ARCH_BCM_MOBILE
+        depends on ARCH_BCM_281XX || ARCH_BCM_21664
         default y
         select CACHE_L2X0
         select ARCH_BCM_MOBILE_SMC
@@ -128,7 +136,7 @@ config ARCH_BCM_MOBILE_SMP
         select HAVE_ARM_SCU
         select ARM_ERRATA_764369
         help
-          SMP support for the BCM281XX and BCM21664 SoC families.
+          SMP support for the BCM281XX, BCM21664 and BCM23550 SoC families.
           Provided as an option so SMP support for SoCs of this type
           can be disabled for an SMP-enabled kernel.
 
diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile
index 7d665151c772..980f5850097c 100644
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -26,7 +26,10 @@ obj-$(CONFIG_ARCH_BCM_281XX)	+= board_bcm281xx.o
 # BCM21664
 obj-$(CONFIG_ARCH_BCM_21664)    += board_bcm21664.o
 
-# BCM281XX and BCM21664 SMP support
+# BCM23550
+obj-$(CONFIG_ARCH_BCM_23550)    += board_bcm23550.o
+
+# BCM281XX, BCM21664 and BCM23550 SMP support
 obj-$(CONFIG_ARCH_BCM_MOBILE_SMP) += platsmp.o
 
 # BCM281XX and BCM21664 L2 cache control
diff --git a/arch/arm/mach-bcm/board_bcm23550.c b/arch/arm/mach-bcm/board_bcm23550.c
new file mode 100644
index 000000000000..0ac01debd077
--- /dev/null
+++ b/arch/arm/mach-bcm/board_bcm23550.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2016 Broadcom
+ *
+ * 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 bcm23550_dt_compat[] = {
+        "brcm,bcm23550",
+        NULL,
+};
+
+DT_MACHINE_START(BCM23550_DT, "BCM23550 Broadcom Application Processor")
+        .dt_compat = bcm23550_dt_compat,
+MACHINE_END