omap2evm.h

OMAp2530 x-load source code

/*******************************************************************************
 * (C) Copyright 2007 Mistral <www.mistralsolutions.com> 
 * 
 * X-Loader Configuation settings for the OMAP2EVM.
 *
 *
 * 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

/* serial printf facility takes about 3.5K */
#define CFG_PRINTF 		1


 
/*
 * High Level Configuration Options
 */
#define CONFIG_ARM1136		1	/* This is an arm1136 CPU core */
#define CONFIG_OMAP		1	/* in a TI OMAP core */
#define CONFIG_OMAP2EVM		1	/* and OMAP2430 board */

#define CONFIG_OMAP243X		1

#define PRCM_CONFIG_5A		1

#define CFG_2430SDRAM_DDR	1

#define SDRC_R_B_C		1

/* Boot type */
#define CFG_NAND 		1   /* for nand  booting... */

#define NAND_BASE		0x00000000  /* NAND flash */

#ifdef CFG_NAND
#define OMAP24XX_GPMC_CS0_SIZE	GPMC_SIZE_128M
#define OMAP24XX_GPMC_CS0_MAP	NAND_BASE
#endif

/* Another dependency on u-boot */
#define sdelay			delay
	 
#include <asm/arch/omap2430.h>        /* get chip and board defs */

#ifdef CFG_PRINTF

#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE	(-4)
#define CFG_NS16550_CLK		48000000	/* can be 12M/32Khz or 48Mhz */
#define CFG_NS16550_COM1	OMAP2430_UART1
#define CFG_NS16550_COM3	OMAP2430_UART3
 
/*
 * select serial console configuration
 */
#define CONFIG_CONS_INDEX	1
#define CONFIG_BAUDRATE		115200	/* Baud Rate 115200 */
#define CFG_PBSIZE		64	/* Page Buffer */

#endif /* CFG_PRINTF */

/*
 * Miscellaneous configurable options
 */
#define CFG_LOADADDR		0x80E80000
  
#undef	CFG_CLKS_IN_HZ		/* everything, incl board info, in Hz */
 
/******************************************************************************
 * Stack sizes
 * The stack sizes are set up in start.S using the settings below
*******************************************************************************/
#define CONFIG_STACKSIZE	( 128 * 1024 )

#define CFG_NAND_MT29F1GXX  /* Micro MT29F1GxxABB 16-Bit 128MBytes chip */

/* NAND is partitioned:
 * 0x00000000 - 0x00020000 	Booting Image
 * 0x00020000 - 0x00080000 	U-Boot Image
 * 0x00080000 - 0x000a0000 	U-Boot Env Data (X-loader doesn't care)
 * 0x000a0000 - 0x002a0000 	Kernel Image
 * 0x002a0000 - 0x006a0000 	Ramdisk 	
 * 0x006a0000 - 0x08000000      JFFS2 filesystem
 */
#define NAND_UBOOT_START	0x0020000
#define NAND_UBOOT_END		0x0080000
#define NAND_BLOCK_SIZE		0x20000
  
#define GPMC_CONFIG		(OMAP24XX_GPMC_BASE+0x50)
#define GPMC_NAND_COMMAND_0	(OMAP24XX_GPMC_BASE+0x7C)
#define GPMC_NAND_ADDRESS_0	(OMAP24XX_GPMC_BASE+0x80)
#define GPMC_NAND_DATA_0	(OMAP24XX_GPMC_BASE+0x84)

#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u16 *)GPMC_NAND_COMMAND_0 = d;} while(0)
#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u16 *)GPMC_NAND_ADDRESS_0 = d;} while(0)
#define WRITE_NAND(d, adr) do {*(volatile u16 *)GPMC_NAND_DATA_0 = d;} while(0)
#define READ_NAND(adr) (*(volatile u16 *)GPMC_NAND_DATA_0)
#define NAND_WAIT_READY()
#define NAND_WP_OFF()  do {*(volatile u32 *)(GPMC_CONFIG) |= 0x00000010;} while(0)
#define NAND_WP_ON()  do {*(volatile u32 *)(GPMC_CONFIG) &= ~0x00000010;} while(0)

#define NAND_CTL_CLRALE(adr)    
#define NAND_CTL_SETALE(adr)    
#define NAND_CTL_CLRCLE(adr)         
#define NAND_CTL_SETCLE(adr)         
#define NAND_DISABLE_CE()     
#define NAND_ENABLE_CE()       

#endif
/* __CONFIG_H */