ENGR00120206 iMX28 Enable Ethernet and MMC boot supportrel_imx_2.6.31_10.02.00

Enable Ethernet and MMC boot support for imx28-evk

Signed-off-by: Frank Li <frank.li@freescale.com>

1 files changed, 73 insertions, 37 deletions

diff --git a/include/configs/mx28.h b/include/configs/mx28.h
index 4af0a28..84fecc3 100644
--- a/include/configs/mx28.h
+++ b/include/configs/mx28.h
@@ -1,7 +1,6 @@
 /*
  * Copyright (C) 2008 Embedded Alley Solutions, Inc.
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ * (C) Copyright 2010 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -61,16 +60,15 @@
 #define CONFIG_SYS_MALLOC_LEN	(0x10000 + 128*1024)	/* malloc() len */
 #define CONFIG_SYS_GBL_DATA_SIZE 128		/* reserved for initial data */
 #define CONFIG_SYS_MEMTEST_START 0x40000000	/* memtest start address */
-#define CONFIG_SYS_MEMTEST_END	 0x41000000	/* 16MB RAM test */
+#define CONFIG_SYS_MEMTEST_END	 0x40400000	/* 16MB RAM test */
 #define CONFIG_NR_DRAM_BANKS	1		/* we have 1 bank of DRAM */
 #define CONFIG_STACKSIZE	(256*1024)	/* regular stack */
 #define PHYS_SDRAM_1		0x40000000	/* mDDR Start */
-#define PHYS_SDRAM_1_SIZE	0x02000000	/* mDDR size 32MB */
+#define PHYS_SDRAM_1_SIZE	0x08000000	/* mDDR size 32MB */
 
 /*====================*/
 /* Serial Driver info */
 /*====================*/
-#define CONFIG_STMP3XXX_DBGUART			/* 378x debug UART */
 #define CONFIG_DBGUART_CLK	24000000
 #define CONFIG_BAUDRATE		115200		/* Default baud rate */
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
@@ -88,28 +86,28 @@
 /*=====================*/
 #define CONFIG_SYS_NO_FLASH			/* Flash is not supported */
 #define CONFIG_ENV_IS_NOWHERE		/* Store ENV in memory only */
-#define CONFIG_ENV_SIZE		0x20000
+
+
+/* ROM loads UBOOT into DRAM */
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
 
 /*==============================*/
 /* U-Boot general configuration */
 /*==============================*/
-#undef	CONFIG_USE_IRQ				/* No IRQ/FIQ in U-Boot */
-#define CONFIG_MISC_INIT_R
-#define CONFIG_NETMASK		255.255.255.0
-#define CONFIG_IPADDR		192.167.10.2
-#define CONFIG_SERVERIP		192.167.10.1
 #define CONFIG_BOOTDELAY	2
 #define CONFIG_BOOTFILE		"uImage"	/* Boot file name */
-#define CONFIG_SYS_PROMPT	"stmp378x U-Boot > "
-						/* Monitor Command Prompt */
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size  */
-#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
-						/* Print buffer sz */
-#define CONFIG_SYS_MAXARGS	16		/* max number of command args */
+#define CONFIG_SYS_PROMPT	"MX28 U-Boot > "
+#define CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
+#define CONFIG_SYS_PBSIZE \
+	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+						/* Print buffer size */
+#define CONFIG_SYS_MAXARGS	16		/* Max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
-						/* Boot Argument Buffer Size */
-#define CONFIG_SYS_LOAD_ADDR	0x40400000
-				/* default Linux kernel load address */
+						/* Boot argument buffer size */
+#define CONFIG_VERSION_VARIABLE			/* U-BOOT version */
+#define CONFIG_AUTO_COMPLETE			/* Command auto complete */
+#define CONFIG_CMDLINE_EDITING			/* Command history etc */
 #define CONFIG_VERSION_VARIABLE
 #define CONFIG_AUTO_COMPLETE	/* Won't work with hush so far, may be later */
 #define CFG_HUSH_PARSER
@@ -119,32 +117,70 @@
 #define CONFIG_CRC32_VERIFY
 #define CONFIG_MX_CYCLIC
 
-/*===================*/
-/* Linux Information */
-/*===================*/
+/*
+ * Boot Linux
+ */
 #define LINUX_BOOT_PARAM_ADDR	0x40000100
 #define CONFIG_CMDLINE_TAG
 #define CONFIG_SETUP_MEMORY_TAGS
-#define CONFIG_BOOTARGS		"console=ttyAM0,115200n8 "\
-			"root=/dev/mtdblock1 rootfstype=jffs2 lcd_panel=lms350"
-#define CONFIG_BOOTCOMMAND	"tftpboot ; bootm"
+#define CONFIG_BOOTARGS		"console=ttyAM0,115200n8 "
+#define CONFIG_BOOTCOMMAND	"run bootcmd_net"
+#define CONFIG_LOADADDR		0x42000000
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+
+/*
+ * Extra Environments
+ */
+#define	CONFIG_EXTRA_ENV_SETTINGS \
+	"nfsroot=/data/rootfs_home/rootfs\0" \
+	"bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs " \
+		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+	"bootcmd_net=run bootargs_nfs; dhcp; bootm\0" \
+	"bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk0p2 " \
+		"ip=dhcp rootfstype=ext2\0" \
+	"bootcmd_mmc=run bootargs_mmc; " \
+		"mmc read 0 ${loadaddr} 100 3000; bootm\0" \
 
 /*=================*/
 /* U-Boot commands */
 /*=================*/
 #include <config_cmd_default.h>
-#define CONFIG_CMD_ASKENV
-#define CONFIG_CMD_DHCP
-#undef CONFIG_CMD_DIAG
+#undef  CONFIG_CMD_MMC /* MX28 use special mmc command*/
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_DISPLAY_CPUINFO
+
+/*
+ * ENET Driver
+ */
+#define CONFIG_MXC_ENET
+#define CONFIG_NET_MULTI
+#define CONFIG_ETH_PRIME
 #define CONFIG_CMD_MII
+#define CONFIG_DISCOVER_PHY
+#define CONFIG_CMD_DHCP
 #define CONFIG_CMD_PING
-#define CONFIG_CMD_NET
-#define CONFIG_CMD_SAVES
-#undef CONFIG_CMD_IMLS
-
-/* Ethernet chip - select an alternative driver */
-#define CONFIG_ENC28J60_ETH
-#define CONFIG_ENC28J60_ETH_SPI_BUS	0
-#define CONFIG_ENC28J60_ETH_SPI_CS	0
+#define CONFIG_IPADDR			192.168.1.101
+#define CONFIG_SERVERIP			192.168.1.100
+#define CONFIG_NETMASK			255.255.255.0
+
+/*
+ * MMC Driver
+ */
+#define CONFIG_IMX_SSP_MMC		/* MMC driver based on SSP */
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CUSTOMIZE_MMCOPS		/* To customize do_mmcops() */
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_FAT
+#define CONFIG_MMC
+
+/*
+ * Environments on MMC
+ */
+#define CONFIG_CMD_ENV
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_ENV_IS_IN_MMC
+/* Assoiated with the MMC layout defined in mmcops.c */
+#define CONFIG_ENV_OFFSET		(0x400) /* 1 KB */
+#define CONFIG_ENV_SIZE			(0x20000 - 0x400) /* 127 KB */
 
 #endif /* __CONFIG_H */