arm: add Cygnus and NSP boards

The bcm_ep board configuration is used by a number of boards
including Cygnus and NSP.
Add builds for the bcm958300k and the bcm958622hr boards.

Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>

board/broadcom/bcm_ep/Makefile

@@ -0,0 +1,7 @@
+#
+# Copyright 2014 Broadcom Corporation.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= board.o

board/broadcom/bcm_ep/board.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <config.h>
+#include <asm/system.h>
+#include <asm/iproc-common/armpll.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * board_init - early hardware init
+ */
+int board_init(void)
+{
+	/*
+	 * Address of boot parameters passed to kernel
+	 * Use default offset 0x100
+	 */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	return 0;
+}
+
+/*
+ * dram_init - sets u-boot's idea of sdram size
+ */
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+				    CONFIG_SYS_SDRAM_SIZE);
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
+int board_early_init_f(void)
+{
+	uint32_t status = 0;
+
+	/* Setup PLL if required */
+#if defined(CONFIG_ARMCLK)
+	armpll_config(CONFIG_ARMCLK);
+#endif
+
+	return status;
+}