ENGR00107840 Add U-Boot for MX25 PDK board

These patches add functional support to iMX25PDK.
Currently only the internal FEC is supported.

Signed-off-by: Alan Carvalho de Assis <alan.assis@freescale.com>

1 files changed, 200 insertions, 0 deletions

diff --git a/include/configs/mx25_3stack.h b/include/configs/mx25_3stack.h
new file mode 100644
index 0000000..01a4c03
--- /dev/null
+++ b/include/configs/mx25_3stack.h
@@ -0,0 +1,200 @@
+/*
+ * (C) Copyright 2009 Freescale Semiconductor
+ *
+ * (C) Copyright 2004
+ * Texas Instruments.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Kshitij Gupta <kshitij@ti.com>
+ *
+ * Configuration settings for the Freescale i.MX31 PDK board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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/mx25.h>
+#include <asm/arch/mx25-regs.h>
+
+/* High Level Configuration Options */
+#define CONFIG_ARM926EJS	1	/* This is an arm1136 CPU core */
+#define CONFIG_MX25		1	/* in a mx31 */
+#define CONFIG_MX25_HCLK_FREQ	24000000
+#define CONFIG_MX25_CLK32	32768
+
+/* IF iMX25 3DS V-1.0 define it */
+/* #define CONFIG_MX25_3DS_V10 */
+
+#ifdef CONFIG_MX25_3DS_V10
+#define MXC_MEMORY_MDDR
+#endif
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define BOARD_LATE_INIT
+
+#define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+/* No support for NAND boot for i.MX31 PDK yet, so we rely on some other
+ * program to initialize the SDRAM.
+ */
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 512 * 1024)
+#define CONFIG_SYS_GBL_DATA_SIZE	128 /* bytes reserved initial data */
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_HARD_I2C		1
+#define CONFIG_I2C_MXC		1
+#define CONFIG_SYS_I2C_PORT		I2C1_BASE
+#define CONFIG_SYS_I2C_SPEED		40000
+#define CONFIG_SYS_I2C_SLAVE		0xfe
+
+#define CONFIG_MX25_UART	1
+#define CONFIG_MX25_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_I2C
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+/* #define CONFIG_CMD_SPI */
+/* #define CONFIG_CMD_DATE */
+#define CONFIG_CMD_NAND
+
+/* Disabled due to compilation errors in cmd_bootm.c (IMLS seems to require
+ * that CONFIG_NO_FLASH is undefined).
+ */
+#undef CONFIG_CMD_IMLS
+
+#define CONFIG_BOOTDELAY	3
+
+#define CONFIG_LOADADDR		0x80800000	/* loadaddr env var */
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"ethprime=fec\0"						\
+	"bootargs_base=setenv bootargs console=ttymxc0,115200\0"	\
+	"bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs "	\
+		"ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0"	\
+	"bootcmd=run bootcmd_net\0"					\
+	"bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; "	\
+		"tftpboot 0x81000000 uImage; bootm\0"
+
+/*Support LAN9217*/
+/*#define CONFIG_DRIVER_SMC911X   1
+#define CONFIG_DRIVER_SMC911X_16_BIT 1
+#define CONFIG_DRIVER_SMC911X_BASE CS5_BASE*/
+
+/*#define CONFIG_HAS_ETH1*/
+#define CONFIG_NET_MULTI	1
+#define CONFIG_MXC_FEC
+#define CONFIG_MII
+#define CONFIG_DISCOVER_PHY
+
+#define CONFIG_FEC0_IOBASE FEC_BASE
+#define CONFIG_FEC0_PINMUX -1
+#define CONFIG_FEC0_PHY_ADDR 0x1F
+#define CONFIG_FEC0_MIIBASE -1
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP	/* undef to save memory */
+#define CONFIG_SYS_PROMPT	"uboot> "
+#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 Buf Size */
+
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1	/* memtest works on */
+#define CONFIG_SYS_MEMTEST_END	0x10000
+
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR /* default load address */
+
+#define CONFIG_SYS_HZ		CONFIG_MX25_CLK32
+
+#define UBOOT_IMAGE_SIZE	0x40000
+
+#define CONFIG_CMDLINE_EDITING	1
+
+/*-----------------------------------------------------------------------
+ * 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
+
+/* iMX25 V-1.0 has 128MB but V-1.1 has only 64MB */
+#ifdef CONFIG_MX25_3DS_V10
+#define PHYS_SDRAM_1_SIZE	(128 * 1024 * 1024)
+#else
+#define PHYS_SDRAM_1_SIZE       (64 * 1024 * 1024)
+#endif
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+
+#define	CONFIG_ENV_IS_IN_NAND	1
+#define CONFIG_ENV_OFFSET		0x80000 /* 2nd block */
+#define CONFIG_ENV_SECT_SIZE	(256 * 1024)
+#define CONFIG_ENV_SIZE         CONFIG_ENV_SECT_SIZE
+
+/*-----------------------------------------------------------------------
+ * NAND FLASH driver setup
+ */
+#define CONFIG_SYS_NO_FLASH
+#define NAND_MAX_CHIPS		1
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		0x40000000
+
+/*
+ * JFFS2 partitions TODO:
+ */
+#undef CONFIG_JFFS2_CMDLINE
+#define CONFIG_JFFS2_DEV	"nand0"
+
+#endif /* __CONFIG_H */
+