TI: DaVinci: Add board specific code for da850 EVM

Provides initial support for TI OMAP-L138/DA850 SoC devices on
a Logic PD EVM board.

Provides:
Initial boot and configuration.
Support for i2c.
UART support (console).

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Acked-by: Ben Gardiner <bengardiner@nanometrics.ca>
Reviewed-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

1 files changed, 140 insertions, 0 deletions

diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
new file mode 100644
index 0000000000..357715d660
--- /dev/null
+++ b/include/configs/da850evm.h
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Based on davinci_dvevm.h. Original Copyrights follow:
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * Board
+ */
+
+/*
+ * SoC Configuration
+ */
+#define CONFIG_MACH_DAVINCI_DA850_EVM
+#define CONFIG_ARM926EJS		/* arm926ejs CPU core */
+#define CONFIG_SOC_DA8XX		/* TI DA8xx SoC */
+#define CONFIG_SYS_CLK_FREQ		clk_get(DAVINCI_ARM_CLKID)
+#define CONFIG_SYS_OSCIN_FREQ		24000000
+#define CONFIG_SYS_TIMERBASE		DAVINCI_TIMER0_BASE
+#define CONFIG_SYS_HZ_CLOCK		clk_get(DAVINCI_AUXCLK_CLKID)
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT	/* to a proper address, init done */
+
+/*
+ * Memory Info
+ */
+#define CONFIG_SYS_MALLOC_LEN	(0x10000 + 1*1024*1024) /* malloc() len */
+#define CONFIG_SYS_GBL_DATA_SIZE	128 /* reserved for initial data */
+#define PHYS_SDRAM_1		DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */
+#define PHYS_SDRAM_1_SIZE	(64 << 20) /* SDRAM size 64MB */
+
+/* memtest start addr */
+#define CONFIG_SYS_MEMTEST_START	(PHYS_SDRAM_1 + 0x2000000)
+
+/* memtest will be run on 16MB */
+#define CONFIG_SYS_MEMTEST_END 	(PHYS_SDRAM_1 + 0x2000000 + 16*1024*1024)
+
+#define CONFIG_NR_DRAM_BANKS	1 /* we have 1 bank of DRAM */
+#define CONFIG_STACKSIZE	(256*1024) /* regular stack */
+
+/*
+ * Serial Driver info
+ */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	-4	/* NS16550 register size */
+#define CONFIG_SYS_NS16550_COM1	DAVINCI_UART2_BASE /* Base address of UART2 */
+#define CONFIG_SYS_NS16550_CLK	clk_get(DAVINCI_UART2_CLKID)
+#define CONFIG_CONS_INDEX	1		/* use UART0 for console */
+#define CONFIG_BAUDRATE		115200		/* Default baud rate */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * I2C Configuration
+ */
+#define CONFIG_HARD_I2C
+#define CONFIG_DRIVER_DAVINCI_I2C
+#define CONFIG_SYS_I2C_SPEED		25000
+#define CONFIG_SYS_I2C_SLAVE		10 /* Bogus, master-only in U-Boot */
+
+/*
+ * U-Boot general configuration
+ */
+#define CONFIG_BOOTFILE		"uImage" /* Boot file name */
+#define CONFIG_SYS_PROMPT	"DA850-evm > " /* Command Prompt */
+#define CONFIG_SYS_CBSIZE	1024 /* Console I/O Buffer Size	*/
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
+#define CONFIG_SYS_MAXARGS	16 /* max number of command args */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE /* Boot Args Buffer Size */
+#define CONFIG_SYS_LOAD_ADDR	(PHYS_SDRAM_1 + 0x700000)
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CRC32_VERIFY
+#define CONFIG_MX_CYCLIC
+
+/*
+ * Linux Information
+ */
+#define LINUX_BOOT_PARAM_ADDR	(CONFIG_SYS_MEMTEST_START + 0x100)
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_BOOTARGS		\
+	"mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"
+#define CONFIG_BOOTDELAY	3
+
+/*
+ * U-Boot commands
+ */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_DIAG
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SAVES
+#define CONFIG_CMD_MEMORY
+
+#ifndef CONFIG_DRIVER_TI_EMAC
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_DHCP
+#undef CONFIG_CMD_MII
+#undef CONFIG_CMD_PING
+#endif
+
+#if !defined(CONFIG_USE_NAND) && \
+	!defined(CONFIG_USE_NOR) && \
+	!defined(CONFIG_USE_SPIFLASH)
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_SIZE		(16 << 10)
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_ENV
+#endif
+
+#endif /* __CONFIG_H */