ENGR00131712 UBOOT:add DDR2 support for IMX50

  add DDR2 support for U-BOOT.

  The infomation about the init script:
  Date :	Aug-30,2010
  Author :	Tommy
  Version:	0.1

  please check :
  http://compass.freescale.net/doc/219931536/Codex_DDR2_266MHz.inc.txt

Signed-off-by: Huang Shijie <b32955@freescale.com>

1 files changed, 286 insertions, 0 deletions

diff --git a/include/configs/mx50_arm2_ddr2.h b/include/configs/mx50_arm2_ddr2.h
new file mode 100644
index 0000000..5bdf0be
--- /dev/null
+++ b/include/configs/mx50_arm2_ddr2.h
@@ -0,0 +1,286 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the MX50-ARM_EVK Freescale board.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/arch/mx50.h>
+
+ /* High Level Configuration Options */
+#define CONFIG_MXC
+#define CONFIG_MX50
+#define CONFIG_MX50_ARM_EVK
+#define CONFIG_DDR2
+#define CONFIG_FLASH_HEADER
+#define CONFIG_FLASH_HEADER_OFFSET 0x400
+
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_ARCH_MMU
+
+#define CONFIG_MX50_HCLK_FREQ	24000000
+#define CONFIG_SYS_PLL2_FREQ    400
+#define CONFIG_SYS_AHB_PODF     2
+#define CONFIG_SYS_AXIA_PODF    0
+#define CONFIG_SYS_AXIB_PODF    1
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_64BIT_VSPRINTF
+
+#define BOARD_LATE_INIT
+/*
+ * Disabled for now due to build problems under Debian and a significant
+ * increase in the final file size: 144260 vs. 109536 Bytes.
+ */
+
+#define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
+#define CONFIG_REVISION_TAG		1
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 2 * 1024 * 1024)
+/* size in bytes reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_SIZE	128
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_MX50_UART	1
+#define CONFIG_MX50_UART1	1
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{9600, 19200, 38400, 57600, 115200}
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NET
+#define CONFIG_NET_RETRY_COUNT  100
+#define CONFIG_NET_MULTI 1
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_DNS
+
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_ENV
+
+/*#define CONFIG_CMD */
+#define CONFIG_REF_CLK_FREQ CONFIG_MX50_HCLK_FREQ
+
+#undef CONFIG_CMD_IMLS
+
+#define CONFIG_BOOTDELAY	3
+
+#define CONFIG_PRIME	"FEC0"
+
+#define CONFIG_LOADADDR		0x70800000	/* loadaddr env var */
+#define CONFIG_RD_LOADADDR	(CONFIG_LOADADDR + 0x300000)
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+		"netdev=eth0\0"						\
+		"ethprime=FEC0\0"					\
+		"uboot=u-boot.bin\0"			\
+		"kernel=uImage\0"				\
+		"nfsroot=/opt/eldk/arm\0"				\
+		"bootargs_base=setenv bootargs console=ttymxc0,115200\0"\
+		"bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs "\
+			"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0"\
+		"bootcmd_net=run bootargs_base bootargs_nfs; "		\
+			"tftpboot ${loadaddr} ${kernel}; bootm\0"	\
+		"bootargs_mmc=setenv bootargs ${bootargs} ip=dhcp "     \
+			"root=/dev/mmcblk0p2 rootwait\0"                \
+		"bootcmd_mmc=run bootargs_base bootargs_mmc; bootm\0"   \
+		"bootcmd=run bootcmd_net\0"                             \
+
+
+#define CONFIG_ARP_TIMEOUT	200UL
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP		/* undef to save memory */
+#define CONFIG_SYS_PROMPT		"ARM_EVK U-Boot > "
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
+/* Print 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 Argument Buffer Size */
+
+#define CONFIG_SYS_MEMTEST_START	0	/* memtest works on */
+#define CONFIG_SYS_MEMTEST_END		0x10000
+
+#undef	CONFIG_SYS_CLKS_IN_HZ		/* everything, incl board info, in Hz */
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+
+#define CONFIG_SYS_HZ				1000
+
+#define CONFIG_CMDLINE_EDITING	1
+
+#define CONFIG_FEC0_IOBASE	FEC_BASE_ADDR
+#define CONFIG_FEC0_PINMUX	-1
+#define CONFIG_FEC0_PHY_ADDR	-1
+#define CONFIG_FEC0_MIIBASE	-1
+
+#define CONFIG_GET_FEC_MAC_ADDR_FROM_IIM
+
+#define CONFIG_MXC_FEC
+#define CONFIG_MII
+#define CONFIG_MII_GASKET
+#define CONFIG_DISCOVER_PHY
+
+/*
+#define CONFIG_SPLASH_SCREEN
+*/
+
+/*
+ * SPLASH SCREEN Configs
+ */
+#ifdef CONFIG_SPLASH_SCREEN
+	#define CONFIG_LCD
+	#undef LCD_TEST_PATTERN
+	#define CONFIG_FB_BASE                          (TEXT_BASE + 0x300000)
+	#define CONFIG_SYS_CONSOLE_IS_IN_ENV            1
+	/* #define CONFIG_SPLASH_IS_IN_MMC                 1 */
+	#define LCD_BPP					LCD_MONOCHROME
+	/* #define CONFIG_SPLASH_SCREEN_ALIGN           1 */
+
+	#define CONFIG_MXC_EPDC				1
+
+	#define CONFIG_WORKING_BUF_ADDR			(TEXT_BASE + 0x100000)
+	#define CONFIG_WAVEFORM_BUF_ADDR		(TEXT_BASE + 0x200000)
+	#define CONFIG_WAVEFORM_FILE_OFFSET		0x100000
+	#define CONFIG_WAVEFORM_FILE_SIZE		0xB4000
+	#define CONFIG_WAVEFORM_FILE_IN_MMC
+#endif
+
+#ifdef CONFIG_SPLASH_IS_IN_MMC
+	#define CONFIG_SPLASH_IMG_OFFSET		0x4c000
+	#define CONFIG_SPLASH_IMG_SIZE			0x19000
+#endif
+
+/*
+ * I2C Configs
+ */
+#define CONFIG_CMD_I2C          1
+#define CONFIG_HARD_I2C         1
+#define CONFIG_I2C_MXC          1
+#define CONFIG_SYS_I2C_PORT             I2C2_BASE_ADDR
+#define CONFIG_SYS_I2C_SPEED            100000
+#define CONFIG_SYS_I2C_SLAVE            0xfe
+
+
+/*
+ * SPI Configs
+ */
+#define CONFIG_FSL_SF		1
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH_IMX_ATMEL	1
+#define CONFIG_SPI_FLASH_CS	1
+#define CONFIG_IMX_CSPI
+#define IMX_CSPI_VER_0_7        1
+#define MAX_SPI_BYTES		(8 * 4)
+#define CONFIG_IMX_SPI_PMIC
+#define CONFIG_IMX_SPI_PMIC_CS 0
+
+/*
+ * MMC Configs
+ */
+#ifdef CONFIG_CMD_MMC
+	#define CONFIG_MMC				1
+	#define CONFIG_GENERIC_MMC
+	#define CONFIG_IMX_MMC
+	#define CONFIG_SYS_FSL_ESDHC_NUM        3
+	#define CONFIG_SYS_FSL_ESDHC_ADDR       0
+	#define CONFIG_SYS_MMC_ENV_DEV  0
+	#define CONFIG_DOS_PARTITION	1
+	#define CONFIG_CMD_FAT		1
+	#define CONFIG_CMD_EXT2		1
+
+	/* detect whether ESDHC1, ESDHC2, or ESDHC3 is boot device */
+	#define CONFIG_DYNAMIC_MMC_DEVNO
+
+	#define CONFIG_BOOT_PARTITION_ACCESS
+	#define CONFIG_EMMC_DDR_MODE
+
+	/* Indicate to esdhc driver which ports support 8-bit data */
+	#define CONFIG_MMC_8BIT_PORTS		0x6   /* ports 1 and 2 */
+
+
+#endif
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE	(128 * 1024)	/* regular stack */
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS	1
+#define PHYS_SDRAM_1		CSD0_BASE_ADDR
+#define PHYS_SDRAM_1_SIZE	(512 * 1024 * 1024)
+#define iomem_valid_addr(addr, size) \
+	(addr >= PHYS_SDRAM_1 && addr <= (PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE))
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+#define CONFIG_SYS_NO_FLASH
+
+/* Monitor at beginning of flash */
+#define CONFIG_FSL_ENV_IN_MMC
+
+#define CONFIG_ENV_SECT_SIZE    (128 * 1024)
+#define CONFIG_ENV_SIZE         CONFIG_ENV_SECT_SIZE
+
+#if defined(CONFIG_FSL_ENV_IN_NAND)
+	#define CONFIG_ENV_IS_IN_NAND 1
+	#define CONFIG_ENV_OFFSET	0x100000
+#elif defined(CONFIG_FSL_ENV_IN_MMC)
+	#define CONFIG_ENV_IS_IN_MMC	1
+	#define CONFIG_ENV_OFFSET	(768 * 1024)
+#elif defined(CONFIG_FSL_ENV_IN_SF)
+	#define CONFIG_ENV_IS_IN_SPI_FLASH	1
+	#define CONFIG_ENV_SPI_CS		1
+	#define CONFIG_ENV_OFFSET       (768 * 1024)
+#else
+	#define CONFIG_ENV_IS_NOWHERE	1
+#endif
+#endif				/* __CONFIG_H */