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>

arch/arm/include/asm/arch-bcmcygnus/configs.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ARCH_CONFIGS_H
+#define __ARCH_CONFIGS_H
+
+#include <asm/iproc-common/configs.h>
+
+/* uArchitecture specifics */
+
+/* Serial Info */
+/* Post pad 3 bytes after each reg addr */
+#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
+#define CONFIG_SYS_NS16550_MEM32
+
+#define CONFIG_SYS_NS16550_CLK		100000000
+#define CONFIG_SYS_NS16550_CLK_DIV	54
+#define CONFIG_SERIAL_MULTI
+#define CONFIG_CONS_INDEX		3
+#define CONFIG_SYS_NS16550_COM3		0x18023000
+
+#endif /* __ARCH_CONFIGS_H */

arch/arm/include/asm/arch-bcmnsp/configs.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ARCH_CONFIGS_H
+#define __ARCH_CONFIGS_H
+
+#include <asm/iproc-common/configs.h>
+
+/* uArchitecture specifics */
+
+/* Serial Info */
+/* no padding */
+#define CONFIG_SYS_NS16550_REG_SIZE	1
+
+#define CONFIG_SYS_NS16550_CLK		0x03b9aca0
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_SYS_NS16550_COM1		0x18000300
+
+#endif /* __ARCH_CONFIGS_H */

arch/arm/include/asm/iproc-common/configs.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __IPROC_COMMON_CONFIGS_H
+#define __IPROC_COMMON_CONFIGS_H
+
+#include <linux/stringify.h>
+
+/* Architecture, CPU, chip, etc */
+#define CONFIG_IPROC
+#define CONFIG_SYS_ARM_CACHE_WRITETHROUGH
+
+/* Memory Info */
+#define CONFIG_SYS_TEXT_BASE		0x61000000
+#define CONFIG_SYS_SDRAM_BASE		0x61000000
+
+#endif /* __IPROC_COMMON_CONFIGS_H */

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;
+}

include/configs/bcm_ep_board.h

@@ -0,0 +1,115 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __BCM_EP_BOARD_H
+#define __BCM_EP_BOARD_H
+
+#include <asm/arch/configs.h>
+
+/* Architecture, CPU, chip, etc */
+#define CONFIG_ARMV7
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+#define CONFIG_SYS_GENERIC_BOARD
+
+/*
+ * Memory configuration
+ * (these must be defined elsewhere)
+ */
+#ifndef CONFIG_SYS_TEXT_BASE
+#error	CONFIG_SYS_TEXT_BASE must be defined!
+#endif
+#ifndef CONFIG_SYS_SDRAM_BASE
+#error	CONFIG_SYS_SDRAM_BASE must be defined!
+#endif
+#ifndef CONFIG_SYS_SDRAM_SIZE
+#error	CONFIG_SYS_SDRAM_SIZE must be defined!
+#endif
+
+#define CONFIG_NR_DRAM_BANKS		1
+
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
+#define CONFIG_STACKSIZE		(256 * 1024)
+
+/* Some commands use this as the default load address */
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE
+
+/* No mtest functions as recommended */
+#undef CONFIG_CMD_MEMORY
+
+/*
+ * This is the initial SP which is used only briefly for relocating the u-boot
+ * image to the top of SDRAM. After relocation u-boot moves the stack to the
+ * proper place.
+ */
+#define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_TEXT_BASE
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/* Serial Info */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+
+#define CONFIG_BAUDRATE			115200
+
+#define CONFIG_ENV_SIZE			0x2000
+#define CONFIG_ENV_IS_NOWHERE
+
+#define CONFIG_SYS_NO_FLASH	/* Not using NAND/NOR unmanaged flash */
+
+/* console configuration */
+#define CONFIG_SYS_CBSIZE		1024	/* Console buffer size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+			sizeof(CONFIG_SYS_PROMPT) + 16)	/* Printbuffer size */
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+/*
+ * One partition type must be defined for part.c
+ * This is necessary for the fatls command to work on an SD card
+ * for example.
+ */
+#define CONFIG_DOS_PARTITION
+
+/* version string, parser, etc */
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_COMMAND_HISTORY
+#define CONFIG_SYS_LONGHELP
+
+#define CONFIG_CRC32_VERIFY
+#define CONFIG_MX_CYCLIC
+
+/* Commands */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+
+/* Enable devicetree support */
+#define CONFIG_OF_LIBFDT
+
+/* SHA hashing */
+#define CONFIG_CMD_HASH
+#define CONFIG_HASH_VERIFY
+#define CONFIG_SHA1
+#define CONFIG_SHA256
+
+/* Enable Time Command */
+#define CONFIG_CMD_TIME
+
+#define CONFIG_CMD_BOOTZ
+
+/* Misc utility code */
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_CRC32_VERIFY
+
+#endif /* __BCM_EP_BOARD_H */