jornada720.h

arm的bootloader,适用于sa1100,xscale系列,支持tftp下载及串口操作

/*
 * jornada720.h: Jornada720 specific defines
 *
 * Copyright (C) 2001  Hewlett-Packard Company
 * Written by Christopher Hoover <[e-mail]>
 *
 * $Id: jornada720.h,v 1.1 2001/12/27 18:27:37 erikm Exp $
 *
 * 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
 *
 */

#ident "$Id: jornada720.h,v 1.1 2001/12/27 18:27:37 erikm Exp $"

#ifndef BLOB_ARCH_JORNADA720_H
#define BLOB_ARCH_JORNADA720_H




/* boot CPU speed */
#define CPU_SPEED		(0x09)


/* serial port */
#define USE_SERIAL3


/* GPIO for the LED */
#define LED_GPIO		(0x00000000) /* No LED */



/* the base address were BLOB is loaded by the first stage loader */
#define BLOB_ABS_BASE_ADDR	(0xc0200400)


/* where do various parts live in RAM */
#define BLOB_RAM_BASE		(0xc0100000)
#define KERNEL_RAM_BASE		(0xC0008000)
#define PARAM_RAM_BASE		(0xc0110000)
#define RAMDISK_RAM_BASE	(0xC0400000)

/* and where do they live in flash */
#define BLOB_FLASH_BASE		(0x00000000)
#define BLOB_FLASH_LEN		(128 * 1024)
#define PARAM_FLASH_BASE	(BLOB_FLASH_BASE + BLOB_FLASH_LEN)
#define PARAM_FLASH_LEN		(128 * 1024)
#define KERNEL_FLASH_BASE	(PARAM_FLASH_BASE + PARAM_FLASH_LEN)
#define KERNEL_FLASH_LEN	(1 * 1024 * 1024)
#define RAMDISK_FLASH_BASE	(KERNEL_FLASH_BASE + KERNEL_FLASH_LEN)
#define RAMDISK_FLASH_LEN	(2 * 1024 * 1024)

#define PARAM_START PARAM_RAM_BASE

/* the position of the kernel boot parameters */
#define BOOT_PARAMS		(0xc0000100)


/* the size (in kbytes) to which the compressed ramdisk expands */
#define RAMDISK_SIZE		(8 * 1024)


/* Memory configuration */

#define JORNADA720_MDCNFG \
  (MDCNFG_BANK0_ENABLE|MDCNFG_DTIM0_SDRAM|MDCNFG_DWID0_32B|MDCNFG_DRAC0(5)|MDCNFG_TRP0(2)|MDCNFG_TDL0(3)|MDCNFG_TWR0(1)) /* was 0x00007255 */

/* On CS0: 2 x Intel 28F128J3A StratFlash (8M x 16bit) [32MB total] (was: 0x4f78) */
#define JORNADA720_CS0 \
   (MSC_RT_ROMFLASH|MSC_RBW32|MSC_RDF(15)|MSC_RDN(15)|MSC_RRR(2))

/* On CS1 (was: 0xfff0) */  
#define JORNADA720_CS1 \
   (MSC_RT_ROMFLASH|MSC_RBW32|MSC_RDF(30)|MSC_RDN(31)|MSC_RRR(7))

/* On CS2 (was 0xfff0) */
#define JORNADA720_CS2 \
   (MSC_RT_ROMFLASH|MSC_RBW32|MSC_RDF(30)|MSC_RDN(31)|MSC_RRR(7))

/* On CS3: (was 0xfff8) */
#define JORNADA720_CS3 \
   (MSC_RT_ROMFLASH|MSC_RBW32|MSC_RDF(31)|MSC_RDN(31)|MSC_RRR(7))

/* On CS4: (was 0x2959) */
#define JORNADA720_CS4 \
   (MSC_RT_VARLAT_345|MSC_RBW32|MSC_RDF(11)|MSC_RDN(9)|MSC_RRR(1))

/* On CS5: (was0x201d) */
#define JORNADA720_CS5 \
   (MSC_RT_VARLAT_345|MSC_RBW16|MSC_RDF(3)|MSC_RDN(0)|MSC_RRR(1))

#define JORNADA720_MSC0 \
  (JORNADA720_CS0 | (JORNADA720_CS1<<16)) /* was: 0xfff04f78 */
#define JORNADA720_MSC1 \
  (JORNADA720_CS2 | (JORNADA720_CS3<<16)) /* was: 0xfff8fff0 */
#define JORNADA720_MSC2 \
  (JORNADA720_CS4 | (JORNADA720_CS5<<16)) /* was: 0x201d2959 */


#ifdef BLOB_NEED_MEMCONFIG
#  define MDCNFG_VALUE	JORNADA720_MDCNFG	/* 0x0  MDCNFG */
#  define MDCAS00_VALUE	0x5555557f		/* 0x04 MDCAS00 */
#  define MDCAS01_VALUE	0x55555555		/* 0x08 MDCAS01 */
#  define MDCAS02_VALUE	0x55555555		/* 0x0c MDCAS02 */
#  define MSC0_VALUE	JORNADA720_MSC0		/* 0x10 MSC0 */
#  define MSC1_VALUE	JORNADA720_MSC1		/* 0x14 MSC1 */
#  define MECR_VALUE	0x98c698c6		/* 0x18 MECR */
#  define MDREFR_VALUE	DO_NOT_USE_THIS_VALUE__GETS_AUTOMAGICALLY_COMPUTED
#  define MDCAS20_VALUE	0xd1284142		/* 0x20 MDCAS20 */
#  define MDCAS21_VALUE	0x72249529		/* 0x24 MDCAS21 */
#  define MDCAS22_VALUE	0x78414351		/* 0x28 MDCAS22 */
#  define MSC2_VALUE	JORNADA720_MSC2		/* 0x2C MSC2 */
#  define SMCNFG_VALUE	0x00000000		/* 0x30 SMCNFG */
#endif

#endif