/*------------------------------------------------------------------------- * Filename:      flash.h * Version:       $Id: flash.h,v 1.2 2001/08/06 22:44:52 erikm Exp $ * Copyright:     Copyright (C) 1999, Jan-Derk Bakker * Author:        Jan-Derk Bakker <J.D.Bakker@its.tudelft.nl> * Description:   Flash I/O functions for the blob loader * Created at:    Mon Aug 23 20:00:00 1999 * Modified by:   Erik Mouw <J.A.K.Mouw@its.tudelft.nl> * Modified at:   Sun Oct  3 21:35:12 1999 *-----------------------------------------------------------------------*//* * flash.c: Flash I/O functions for the blob bootloader * * Copyright (C) 1999  Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) * * 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: flash.h,v 1.2 2001/08/06 22:44:52 erikm Exp $"#ifndef BLOB_FLASH_H#define BLOB_FLASH_H#include "types.h"#define NUM_FLASH_BLOCKS	(31)#define FLASH_BLOCK_BASE	((u32 *) 0x020000)#define FLASH_BLOCK_SIZE	((u32) 0x020000)#define BLOCK_NAME_LEN	(64)#define NO_BLOCK	((u8) 0xFF)#define BLOCK_HDR_SIG	((u32) 'LART')#define BLOCK_EMPTY_SIG	((u32) 0xFFFFFFFF)#define BLOCK_IN_USE(x) (x.signature == BLOCK_HDR_SIG)typedef	enum {	blBlob,	blKernel,	blRamdisk} tBlockType;static inline int RunningFromInternal(void) {		if(((*(u32 *)0xA0000010) & 0x04) == 0)		return 1;	else		return 0;}#define MAIN_BLOCK_SIZE	(32768 * 4)#define CS0_BASE	(0x00000000)#define CS1_BASE	(0x08000000)#define INT_FLASH_BASE (RunningFromInternal() ? CS0_BASE : CS1_BASE)#ifdef ASSABET  // Assabet settings come from linux/drivers/block/flash_mem.h#define BLOB_START		0x00000#define BLOB_LEN		0x10000#define NUM_BLOB_BLOCKS		(BLOB_LEN / MAIN_BLOCK_SIZE)#define KERNEL_START		0x10000#define KERNEL_LEN		0xc0000#define NUM_KERNEL_BLOCKS	(KERNEL_LEN / MAIN_BLOCK_SIZE)#define INITRD_START		(KERNEL_START + KERNEL_LEN)#define INITRD_LEN		0x280000#define NUM_INITRD_BLOCKS	(INITRD_LEN / MAIN_BLOCK_SIZE)#elif defined SHANNON#define BLOB_START		(INT_FLASH_BASE)#define NUM_BLOB_BLOCKS		(1)#define BLOB_LEN                (NUM_BLOB_BLOCKS * MAIN_BLOCK_SIZE)#define KERNEL_START		(INT_FLASH_BASE + MAIN_BLOCK_SIZE)#define NUM_KERNEL_BLOCKS	(7)#define KERNEL_LEN		(NUM_KERNEL_BLOCKS * MAIN_BLOCK_SIZE)#define INITRD_START		(KERNEL_START + KERNEL_LEN)#define NUM_INITRD_BLOCKS	(24)#define INITRD_LEN		(NUM_INITRD_BLOCKS * MAIN_BLOCK_SIZE)#else#define BLOB_START		(INT_FLASH_BASE)#define NUM_BLOB_BLOCKS		(1)#define BLOB_LEN                (NUM_BLOB_BLOCKS * MAIN_BLOCK_SIZE)#define KERNEL_START		(INT_FLASH_BASE + MAIN_BLOCK_SIZE)#define NUM_KERNEL_BLOCKS	(7)#define KERNEL_LEN		(NUM_KERNEL_BLOCKS * MAIN_BLOCK_SIZE)#define INITRD_START		(KERNEL_START + KERNEL_LEN)#define NUM_INITRD_BLOCKS	(24)#define INITRD_LEN		(NUM_INITRD_BLOCKS * MAIN_BLOCK_SIZE)#endiftypedef struct {	u32	signature;	char	name[BLOCK_NAME_LEN];	tBlockType	type;	u32	seqNum, totSeq;	u32	bytesInBlock;	u32	defLoadAddr;} tBlkHdr;typedef struct {	tBlkHdr	headers[NUM_FLASH_BLOCKS];	u8	firstBlockIndex[NUM_FLASH_BLOCKS];} tBlkInfo;void ScanFlash(tBlkInfo *blocksInfo);void LoadBlocksToMem(tBlkInfo *blocksInfo, u8 which, u32 *baseAddr);void EraseBlocks(tBlockType which);void WriteBlocksFromMem(tBlockType type, const u32 *source, int length);#endif