board: arm: Add support for Broadcom BCM7445

Add support for loading U-Boot on the Broadcom 7445 SoC.  This port
assumes Broadcom's BOLT bootloader is acting as the second stage
bootloader, and U-Boot is acting as the third stage bootloader, loaded
as an ELF program by BOLT.

Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Cc: Stefan Roese <sr@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/arch/arm/mach-bcmstb/Kconfig b/arch/arm/mach-bcmstb/Kconfig
new file mode 100644
index 0000000..6c7952f
--- /dev/null
+++ b/arch/arm/mach-bcmstb/Kconfig
@@ -0,0 +1,36 @@
+if ARCH_BCMSTB
+
+config TARGET_BCM7445
+	bool "Broadcom 7445 TSBL"
+	depends on ARCH_BCMSTB
+	help
+	  Support for the Broadcom 7445 SoC.  This port assumes BOLT
+	  is acting as the second stage bootloader, and U-Boot is
+	  acting as the third stage bootloader (TSBL), loaded by BOLT.
+	  This port may work on other BCM7xxx boards with
+	  configuration changes.
+
+config SYS_CPU
+	default "armv7"
+
+config SYS_BOARD
+	default "bcmstb"
+
+config SYS_VENDOR
+	default "broadcom"
+
+config SYS_SOC
+	default "bcmstb"
+
+config SYS_CONFIG_NAME
+	default "bcm7445"
+
+config SYS_FDT_SAVE_ADDRESS
+	hex "Address to which the prior stage provided DTB will be copied"
+	default 0x1f00000
+
+config BCMSTB_SDHCI_INDEX
+	int "Index of preferred BCMSTB SDHCI alias in DTB"
+	default 1
+
+endif