arc: add AXS101 board support

AXS101 is a new generation of devlopment boards from Synopsys that houses
ASIC with ARC700 and lots of DesignWare peripherals:

 * DW APB UART
 * DW Mobile Storage (MMC/SD)
 * DW I2C
 * DW GMAC

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>

1 files changed, 181 insertions, 0 deletions

diff --git a/include/configs/axs101.h b/include/configs/axs101.h
new file mode 100644
index 0000000..af2e63b
--- /dev/null
+++ b/include/configs/axs101.h
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _CONFIG_AXS101_H_
+#define _CONFIG_AXS101_H_
+
+/*
+ *  CPU configuration
+ */
+#define CONFIG_ARC700
+#define CONFIG_ARC_MMU_VER		3
+#define CONFIG_SYS_CACHELINE_SIZE	32
+#define CONFIG_SYS_CLK_FREQ		750000000
+#define CONFIG_SYS_TIMER_RATE		CONFIG_SYS_CLK_FREQ
+
+/* dwgmac doesn't work with D$ enabled now */
+#define CONFIG_SYS_DCACHE_OFF
+
+/*
+ * Board configuration
+ */
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is in RAM already */
+
+#define CONFIG_ARCH_EARLY_INIT_R
+
+#define ARC_FPGA_PERIPHERAL_BASE	0xE0000000
+#define ARC_APB_PERIPHERAL_BASE		0xF0000000
+#define ARC_DWMMC_BASE			(ARC_FPGA_PERIPHERAL_BASE + 0x15000)
+#define ARC_DWGMAC_BASE			(ARC_FPGA_PERIPHERAL_BASE + 0x18000)
+
+/*
+ * 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
+
+/*
+ * NAND Flash configuration
+ */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_NAND_BASE		(ARC_FPGA_PERIPHERAL_BASE + 0x16000)
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+
+/*
+ * UART configuration
+ *
+ * CONFIG_CONS_INDEX = 1 - Debug UART
+ * CONFIG_CONS_INDEX = 4 - FPGA UART connected to FTDI/USB
+ */
+#define CONFIG_CONS_INDEX		4
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	-4
+#if (CONFIG_CONS_INDEX == 1)
+	/* Debug UART */
+#	define CONFIG_SYS_NS16550_CLK		33333000
+#else
+	/* FPGA UARTs use different clock */
+#	define CONFIG_SYS_NS16550_CLK		33333333
+#endif
+#define CONFIG_SYS_NS16550_COM1		(ARC_APB_PERIPHERAL_BASE + 0x5000)
+#define CONFIG_SYS_NS16550_COM2		(ARC_FPGA_PERIPHERAL_BASE + 0x20000)
+#define CONFIG_SYS_NS16550_COM3		(ARC_FPGA_PERIPHERAL_BASE + 0x21000)
+#define CONFIG_SYS_NS16550_COM4		(ARC_FPGA_PERIPHERAL_BASE + 0x22000)
+#define CONFIG_SYS_NS16550_MEM32
+
+#define CONFIG_BAUDRATE			115200
+/*
+ * I2C configuration
+ */
+#define CONFIG_HARD_I2C
+#define CONFIG_DW_I2C
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_I2C_ENV_EEPROM_BUS	2
+#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_SYS_I2C_SLAVE		0
+#define CONFIG_SYS_I2C_BASE		0xE001D000
+#define CONFIG_SYS_I2C_BASE1		0xE001E000
+#define CONFIG_SYS_I2C_BASE2		0xE001F000
+#define CONFIG_SYS_I2C_BUS_MAX		3
+#define IC_CLK				50
+
+/*
+ * EEPROM configuration
+ */
+#define CONFIG_SYS_I2C_MULTI_EEPROMS
+#define CONFIG_SYS_I2C_EEPROM_ADDR		(0xA8 >> 1)
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
+#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	1
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	32
+
+/*
+ * SD/MMC configuration
+ */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_DWMMC
+#define CONFIG_DOS_PARTITION
+
+/*
+ * Ethernet PHY configuration
+ */
+#define CONFIG_PHYLIB
+#define CONFIG_MII
+#define CONFIG_PHY_GIGE
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_DESIGNWARE_ETH
+#define CONFIG_DW_AUTONEG
+#define CONFIG_DW_SEARCH_PHY
+#define CONFIG_NET_MULTI
+
+/*
+ * Command line configuration
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EEPROM
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_RARP
+
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_MAXARGS		16
+
+/*
+ * Environment settings
+ */
+#define CONFIG_ENV_IS_IN_EEPROM
+#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=ttyS3,115200n8"
+#define CONFIG_LOADADDR			CONFIG_SYS_LOAD_ADDR
+
+/*
+ * Console configuration
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT		"axs# "
+#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+						sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/*
+ * Misc utility configuration
+ */
+#define CONFIG_BOUNCE_BUFFER
+
+#endif /* _CONFIG_AXS101_H_ */