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 <arnd@arndb.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

3 files changed, 47 insertions, 0 deletions

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 <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+
+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