arc: add Arcangel4 board support
Arcangel4 is a FPGA-based development board that is used for prototyping and
verificationof of both ARC hardware (CPUs) and software running upon CPU.
This board avaialble in 2 flavours:
* Little-endian (arcangel4)
* Big-endian (arcangel4-be)
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Francois Bedard <fbedard@synopsys.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Heiko Schocher <hs@denx.de>
diff --git a/include/configs/arcangel4.h b/include/configs/arcangel4.h
new file mode 100644
index 0000000..4579eb9
--- /dev/null
+++ b/include/configs/arcangel4.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _CONFIG_ARCANGEL4_H_
+#define _CONFIG_ARCANGEL4_H_
+
+/*
+ * CPU configuration
+ */
+#define CONFIG_ARC700
+#define CONFIG_ARC_MMU_VER 3
+#define CONFIG_SYS_CACHELINE_SIZE 64
+#define CONFIG_SYS_CLK_FREQ 70000000
+#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ
+
+/*
+ * Board configuration
+ */
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is in RAM already */
+
+#define CONFIG_ARCH_EARLY_INIT_R
+
+/*
+ * Memory configuration
+ */
+#define CONFIG_SYS_TEXT_BASE 0x81000000
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
+
+#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000
+#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE
+#define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 Mb */
+
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
+#define CONFIG_SYS_MALLOC_LEN 0x200000 /* 2 MB */
+#define CONFIG_SYS_BOOTM_LEN 0x2000000 /* 32 MB */
+#define CONFIG_SYS_LOAD_ADDR 0x82000000
+
+#define CONFIG_SYS_NO_FLASH
+
+/*
+ * UART configuration
+ *
+ */
+#define CONFIG_ARC_SERIAL
+#define CONFIG_ARC_UART_BASE 0xC0FC1000
+#define CONFIG_BAUDRATE 115200
+
+/*
+ * Command line configuration
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ELF
+
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_MAXARGS 16
+
+/*
+ * Environment settings
+ */
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE 0x00200 /* 512 bytes */
+#define CONFIG_ENV_OFFSET 0
+
+/*
+ * Environment configuration
+ */
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_BOOTFILE "uImage"
+#define CONFIG_BOOTARGS "console=ttyARC0,115200n8"
+#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR
+
+/*
+ * Console configuration
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT "arcangel4# "
+#define CONFIG_SYS_CBSIZE 256
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+
+#endif /* _CONFIG_ARCANGEL4_H_ */