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/*
 * (C) Copyright 2006 
 * Texas Instruments <www.ti.com>
 * Richard Woodruff <r-woodruff2@ti.com>
 *
 * X-Loader Configuation settings for the TI OMAP SDP3430 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

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

/*
 * High Level Configuration Options
 */
#define CONFIG_ARMCORTEXA8	1	/* This is an ARM V7 CPU core */
#define CONFIG_OMAP		1	/* in a TI OMAP core */
#define CONFIG_OMAP34XX		1	/* which is a 34XX */
#define CONFIG_OMAP3430		1	/* which is in a 3430 */
#define CONFIG_OMAP3_BEAGLE	1	/* working with BEAGLE */

#define CONFIG_BEAGLE_REV2	1

/* Enable the below macro if MMC boot support is required */
#define CONFIG_MMC	1
#if defined(CONFIG_MMC)
	#define CFG_CMD_MMC		1
	#define CFG_CMD_FAT		1
	#define CFG_I2C_SPEED		100000
	#define CFG_I2C_SLAVE		1
	#define CFG_I2C_BUS		0
	#define CFG_I2C_BUS_SELECT	1
	#define CONFIG_DRIVER_OMAP34XX_I2C 1
#endif

#include <asm/arch/cpu.h>        /* get chip and board defs */

/* uncomment it if you need timer based udelay(). it takes about 250 bytes */
//#define CFG_UDELAY
 
/* Clock Defines */
#define V_OSCK	26000000  /* Clock output from T2 */

#if (V_OSCK > 19200000)
#define V_SCLK	(V_OSCK >> 1)
#else
#define V_SCLK	V_OSCK
#endif

//#define PRCM_CLK_CFG2_266MHZ	1	/* VDD2=1.15v - 133MHz DDR */
#define PRCM_CLK_CFG2_332MHZ	1	/* VDD2=1.15v - 166MHz DDR */
#define PRCM_PCLK_OPP2		1	/* ARM=381MHz - VDD1=1.20v */

/* Memory type */
#define CFG_3430SDRAM_DDR	1

/* The actual register values are defined in u-boot- mem.h */
/* SDRAM Bank Allocation method */
//#define SDRC_B_R_C		1
//#define SDRC_B1_R_B0_C	1
#define SDRC_R_B_C		1

#define NAND_BASE_ADR	NAND_BASE
#define ONENAND_BASE	ONENAND_MAP
#define ONENAND_ADDR	ONENAND_BASE

#define OMAP34XX_GPMC_CS0_SIZE GPMC_SIZE_128M

#ifdef CFG_PRINTF

#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE	-4
#define CFG_NS16550_CLK		48000000
#define CFG_NS16550_COM3	OMAP34XX_UART3

/*
 * select serial console configuration
 */
#define CONFIG_SERIAL1		3	/* use UART3 */
#define CONFIG_CONS_INDEX	3

#define CONFIG_BAUDRATE		115200
#define CFG_PBSIZE		256

#endif /* CFG_PRINTF */

/*
 * Miscellaneous configurable options
 */
#define CFG_LOADADDR		0x80008000
  
#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) /* regular stack */

/*-----------------------------------------------------------------------
 * Board NAND Info.
 */


#define CFG_NAND_K9F1G08R0A
#define NAND_16BIT

/* NAND is partitioned:
 * 0x00000000 - 0x0007FFFF  Booting Image
 * 0x00080000 - 0x000BFFFF  U-Boot Image
 * 0x000C0000 - 0x000FFFFF  U-Boot Env Data (X-loader doesn't care)
 * 0x00100000 - 0x002FFFFF  Kernel Image
 * 0x00300000 - 0x08000000  depends on application
 */
#define NAND_UBOOT_START	0x0080000 /* Leaving first 4 blocks for x-load */
#define NAND_UBOOT_END		0x0160000 /* Giving a space of 2 blocks = 256KB */
#define NAND_BLOCK_SIZE		0x20000
  
#define GPMC_CONFIG 		(OMAP34XX_GPMC_BASE+0x50)
#define GPMC_NAND_COMMAND_0	(OMAP34XX_GPMC_BASE+0x7C)
#define GPMC_NAND_ADDRESS_0	(OMAP34XX_GPMC_BASE+0x80)
#define GPMC_NAND_DATA_0	(OMAP34XX_GPMC_BASE+0x84)

#ifdef NAND_16BIT
#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)

#else /* to support 8-bit NAND devices */
#define WRITE_NAND_COMMAND(d, adr) \
	do {*(volatile u8 *)GPMC_NAND_COMMAND_0 = d; } while (0)
#define WRITE_NAND_ADDRESS(d, adr) \
	 do {*(volatile u8 *)GPMC_NAND_ADDRESS_0 = d; } while (0)
#define WRITE_NAND(d, adr) \
	do {*(volatile u8 *)GPMC_NAND_DATA_0 = d; } while (0)
#define READ_NAND(adr) \
	(*(volatile u8 *)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)

#endif

#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() 

/*-----------------------------------------------------------------------
 * Board oneNAND Info.
 */
#define CFG_SYNC_BURST_READ	1

/* OneNAND is partitioned:
 *   0x0000000 - 0x0080000  X-Loader 
 *   0x0080000 - 0x00c0000   U-boot Image
 *   0x00c0000 - 0x00e0000   U-Boot Env Data (X-loader doesn't care)
 *   0x00e0000 - 0x0120000   Kernel Image
 *   0x0120000 - 0x4000000   depends on application
 */

#define ONENAND_START_BLOCK 	4
#define ONENAND_END_BLOCK	6
#define ONENAND_PAGE_SIZE	2048     /* 2KB */
#define ONENAND_BLOCK_SIZE	0x20000  /* 128KB */

#endif /* __CONFIG_H */