mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-20 22:21:41 +00:00
Blackfin: BF537-stamp: drop board-specific flash driver for CFI
The parallel flash on the BF537-STAMP is CFI compliant, so there is no need for the board specific driver at all. Just use the common CFI driver. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
parent
5b22163fef
commit
1f2a997010
4 changed files with 6 additions and 531 deletions
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@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).a
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LIB = $(obj)lib$(BOARD).a
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COBJS := $(BOARD).o flash.o ether_bf537.o post-memory.o stm_m25p64.o cmd_bf537led.o nand.o
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COBJS := $(BOARD).o ether_bf537.o post-memory.o stm_m25p64.o cmd_bf537led.o nand.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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OBJS := $(addprefix $(obj),$(COBJS))
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@ -1,123 +0,0 @@
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/*
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* U-boot - flash-defines.h
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*
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* Copyright (c) 2005-2007 Analog Devices Inc.
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*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef __FLASHDEFINES_H__
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#define __FLASHDEFINES_H__
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#include <common.h>
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#define V_ULONG(a) (*(volatile unsigned long *)( a ))
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#define V_BYTE(a) (*(volatile unsigned char *)( a ))
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#define TRUE 0x1
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#define FALSE 0x0
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#define BUFFER_SIZE 0x80000
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#define NO_COMMAND 0
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#define GET_CODES 1
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#define RESET 2
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#define WRITE 3
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#define FILL 4
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#define ERASE_ALL 5
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#define ERASE_SECT 6
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#define READ 7
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#define GET_SECTNUM 8
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#define FLASH_START_L 0x0000
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#define FLASH_START_H 0x2000
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#define FLASH_MAN_ST 2
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#define RESET_VAL 0xF0
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flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
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int get_codes(void);
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int poll_toggle_bit(long lOffset);
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void reset_flash(void);
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int erase_flash(void);
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int erase_block_flash(int);
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void unlock_flash(long lOffset);
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int write_data(long lStart, long lCount, uchar * pnData);
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int read_flash(long nOffset, int *pnValue);
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int write_flash(long nOffset, int nValue);
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void get_sector_number(long lOffset, int *pnSector);
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int GetSectorProtectionStatus(flash_info_t * info, int nSector);
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int GetOffset(int nBlock);
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int AFP_NumSectors = 71;
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long AFP_SectorSize2 = 0x10000;
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int AFP_SectorSize1 = 0x2000;
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#define NUM_SECTORS 71
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#define WRITESEQ1 0x0AAA
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#define WRITESEQ2 0x0554
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#define WRITESEQ3 0x0AAA
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#define WRITESEQ4 0x0AAA
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#define WRITESEQ5 0x0554
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#define WRITESEQ6 0x0AAA
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#define WRITEDATA1 0xaa
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#define WRITEDATA2 0x55
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#define WRITEDATA3 0x80
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#define WRITEDATA4 0xaa
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#define WRITEDATA5 0x55
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#define WRITEDATA6 0x10
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#define PriFlashABegin 0
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#define SecFlashABegin 8
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#define SecFlashBBegin 36
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#define PriFlashAOff 0x0
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#define PriFlashBOff 0x100000
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#define SecFlashAOff 0x10000
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#define SecFlashBOff 0x280000
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#define INVALIDLOCNSTART 0x20270000
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#define INVALIDLOCNEND 0x20280000
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#define BlockEraseVal 0x30
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#define UNLOCKDATA1 0xaa
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#define UNLOCKDATA2 0x55
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#define UNLOCKDATA3 0xa0
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#define GETCODEDATA1 0xaa
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#define GETCODEDATA2 0x55
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#define GETCODEDATA3 0x90
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#define SecFlashASec1Off 0x200000
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#define SecFlashASec2Off 0x204000
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#define SecFlashASec3Off 0x206000
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#define SecFlashASec4Off 0x208000
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#define SecFlashAEndOff 0x210000
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#define SecFlashBSec1Off 0x280000
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#define SecFlashBSec2Off 0x284000
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#define SecFlashBSec3Off 0x286000
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#define SecFlashBSec4Off 0x288000
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#define SecFlashBEndOff 0x290000
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#define SECT32 32
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#define SECT33 33
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#define SECT34 34
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#define SECT35 35
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#define SECT36 36
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#define SECT37 37
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#define SECT38 38
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#define SECT39 39
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#define FLASH_SUCCESS 0
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#define FLASH_FAIL -1
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#endif
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@ -1,403 +0,0 @@
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/*
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* U-boot - flash.c Flash driver for PSD4256GV
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*
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* Copyright (c) 2005-2007 Analog Devices Inc.
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* This file is based on BF533EzFlash.c originally written by Analog Devices, Inc.
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*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <malloc.h>
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#include <config.h>
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#include <asm/io.h>
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#include "flash-defines.h"
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void flash_reset(void)
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{
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reset_flash();
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}
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unsigned long flash_get_size(ulong baseaddr, flash_info_t * info, int bank_flag)
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{
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int id = 0, i = 0;
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static int FlagDev = 1;
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id = get_codes();
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if (FlagDev) {
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FlagDev = 0;
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}
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info->flash_id = id;
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switch (bank_flag) {
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case 0:
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for (i = PriFlashABegin; i < SecFlashABegin; i++)
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info->start[i] = (baseaddr + (i * AFP_SectorSize1));
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for (i = SecFlashABegin; i < NUM_SECTORS; i++)
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info->start[i] =
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(baseaddr + SecFlashAOff +
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((i - SecFlashABegin) * AFP_SectorSize2));
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info->size = 0x400000;
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info->sector_count = NUM_SECTORS;
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break;
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case 1:
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info->start[0] = baseaddr + SecFlashASec1Off;
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info->start[1] = baseaddr + SecFlashASec2Off;
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info->start[2] = baseaddr + SecFlashASec3Off;
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info->start[3] = baseaddr + SecFlashASec4Off;
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info->size = 0x10000;
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info->sector_count = 4;
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break;
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case 2:
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info->start[0] = baseaddr + SecFlashBSec1Off;
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info->start[1] = baseaddr + SecFlashBSec2Off;
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info->start[2] = baseaddr + SecFlashBSec3Off;
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info->start[3] = baseaddr + SecFlashBSec4Off;
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info->size = 0x10000;
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info->sector_count = 4;
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break;
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}
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return (info->size);
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}
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unsigned long flash_init(void)
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{
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unsigned long size_b;
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int i;
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size_b = 0;
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for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
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flash_info[i].flash_id = FLASH_UNKNOWN;
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}
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size_b = flash_get_size(CFG_FLASH_BASE, &flash_info[0], 0);
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if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b == 0) {
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printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
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size_b, size_b >> 20);
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}
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/* flash_protect (int flag, ulong from, ulong to, flash_info_t *info) */
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(void)flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE,
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(flash_info[0].start[2] - 1), &flash_info[0]);
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#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
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(void)flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF,
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&flash_info[0]);
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#endif
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return (size_b);
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}
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void flash_print_info(flash_info_t * info)
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{
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int i;
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if (info->flash_id == FLASH_UNKNOWN) {
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printf("missing or unknown FLASH type\n");
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return;
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}
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switch (info->flash_id) {
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case (STM_ID_29W320EB & 0xFFFF):
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case (STM_ID_29W320DB & 0xFFFF):
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printf("ST Microelectronics ");
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break;
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default:
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printf("Unknown Vendor: (0x%08X) ", info->flash_id);
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break;
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}
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for (i = 0; i < info->sector_count; ++i) {
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if ((i % 5) == 0)
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printf("\n ");
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printf(" %08lX%s",
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info->start[i], info->protect[i] ? " (RO)" : " ");
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}
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printf("\n");
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return;
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}
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int flash_erase(flash_info_t * info, int s_first, int s_last)
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{
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int cnt = 0, i;
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int prot, sect;
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prot = 0;
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for (sect = s_first; sect <= s_last; ++sect) {
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if (info->protect[sect])
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prot++;
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}
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if (prot)
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printf("- Warning: %d protected sectors will not be erased!\n",
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prot);
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else
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printf("\n");
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cnt = s_last - s_first + 1;
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#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
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printf("Erasing Flash locations, Please Wait\n");
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for (i = s_first; i <= s_last; i++) {
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if (info->protect[i] == 0) { /* not protected */
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if (erase_block_flash(i) < 0) {
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printf("Error Sector erasing \n");
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return FLASH_FAIL;
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}
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}
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}
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#elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
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if (cnt == FLASH_TOT_SECT) {
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printf("Erasing flash, Please Wait \n");
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if (erase_flash() < 0) {
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printf("Erasing flash failed \n");
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return FLASH_FAIL;
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}
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} else {
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printf("Erasing Flash locations, Please Wait\n");
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for (i = s_first; i <= s_last; i++) {
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if (info->protect[i] == 0) { /* not protected */
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if (erase_block_flash(i) < 0) {
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printf("Error Sector erasing \n");
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return FLASH_FAIL;
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}
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}
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}
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}
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#endif
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printf("\n");
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return FLASH_SUCCESS;
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}
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int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
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{
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int d;
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if (addr % 2) {
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read_flash(addr - 1 - CFG_FLASH_BASE, &d);
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d = (int)((d & 0x00FF) | (*src++ << 8));
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write_data(addr - 1, 2, (uchar *) & d);
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write_data(addr + 1, cnt - 1, src);
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} else
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write_data(addr, cnt, src);
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return FLASH_SUCCESS;
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}
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int write_data(long lStart, long lCount, uchar * pnData)
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{
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long i = 0;
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unsigned long ulOffset = lStart - CFG_FLASH_BASE;
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int d;
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int nSector = 0;
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int flag = 0;
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if (lCount % 2) {
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flag = 1;
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lCount = lCount - 1;
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}
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for (i = 0; i < lCount - 1; i += 2, ulOffset += 2) {
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get_sector_number(ulOffset, &nSector);
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read_flash(ulOffset, &d);
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if (d != 0xffff) {
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printf
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("Flash not erased at offset 0x%x Please erase to reprogram \n",
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ulOffset);
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return FLASH_FAIL;
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}
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unlock_flash(ulOffset);
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d = (int)(pnData[i] | pnData[i + 1] << 8);
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write_flash(ulOffset, d);
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if (poll_toggle_bit(ulOffset) < 0) {
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printf("Error programming the flash \n");
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return FLASH_FAIL;
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}
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if ((i > 0) && (!(i % AFP_SectorSize2)))
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printf(".");
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}
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if (flag) {
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get_sector_number(ulOffset, &nSector);
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read_flash(ulOffset, &d);
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if (d != 0xffff) {
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printf
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("Flash not erased at offset 0x%x Please erase to reprogram \n",
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ulOffset);
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|
||||||
return FLASH_FAIL;
|
|
||||||
}
|
|
||||||
unlock_flash(ulOffset);
|
|
||||||
d = (int)(pnData[i] | (d & 0xFF00));
|
|
||||||
write_flash(ulOffset, d);
|
|
||||||
if (poll_toggle_bit(ulOffset) < 0) {
|
|
||||||
printf("Error programming the flash \n");
|
|
||||||
return FLASH_FAIL;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return FLASH_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
int write_flash(long nOffset, int nValue)
|
|
||||||
{
|
|
||||||
long addr;
|
|
||||||
|
|
||||||
addr = (CFG_FLASH_BASE + nOffset);
|
|
||||||
*(unsigned volatile short *)addr = nValue;
|
|
||||||
SSYNC();
|
|
||||||
#if (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
|
|
||||||
if (icache_status())
|
|
||||||
udelay(CONFIG_CCLK_HZ / 1000000);
|
|
||||||
#endif
|
|
||||||
return FLASH_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
int read_flash(long nOffset, int *pnValue)
|
|
||||||
{
|
|
||||||
unsigned short *pFlashAddr =
|
|
||||||
(unsigned short *)(CFG_FLASH_BASE + nOffset);
|
|
||||||
|
|
||||||
*pnValue = *pFlashAddr;
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
int poll_toggle_bit(long lOffset)
|
|
||||||
{
|
|
||||||
unsigned int u1, u2;
|
|
||||||
volatile unsigned long *FB =
|
|
||||||
(volatile unsigned long *)(CFG_FLASH_BASE + lOffset);
|
|
||||||
while (1) {
|
|
||||||
u1 = *(volatile unsigned short *)FB;
|
|
||||||
u2 = *(volatile unsigned short *)FB;
|
|
||||||
u1 ^= u2;
|
|
||||||
if (!(u1 & 0x0040))
|
|
||||||
break;
|
|
||||||
if (!(u2 & 0x0020))
|
|
||||||
continue;
|
|
||||||
else {
|
|
||||||
u1 = *(volatile unsigned short *)FB;
|
|
||||||
u2 = *(volatile unsigned short *)FB;
|
|
||||||
u1 ^= u2;
|
|
||||||
if (!(u1 & 0x0040))
|
|
||||||
break;
|
|
||||||
else {
|
|
||||||
reset_flash();
|
|
||||||
return FLASH_FAIL;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return FLASH_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
void reset_flash(void)
|
|
||||||
{
|
|
||||||
write_flash(WRITESEQ1, RESET_VAL);
|
|
||||||
/* Wait for 10 micro seconds */
|
|
||||||
udelay(10);
|
|
||||||
}
|
|
||||||
|
|
||||||
int erase_flash(void)
|
|
||||||
{
|
|
||||||
write_flash(WRITESEQ1, WRITEDATA1);
|
|
||||||
write_flash(WRITESEQ2, WRITEDATA2);
|
|
||||||
write_flash(WRITESEQ3, WRITEDATA3);
|
|
||||||
write_flash(WRITESEQ4, WRITEDATA4);
|
|
||||||
write_flash(WRITESEQ5, WRITEDATA5);
|
|
||||||
write_flash(WRITESEQ6, WRITEDATA6);
|
|
||||||
|
|
||||||
if (poll_toggle_bit(0x0000) < 0)
|
|
||||||
return FLASH_FAIL;
|
|
||||||
|
|
||||||
return FLASH_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
int erase_block_flash(int nBlock)
|
|
||||||
{
|
|
||||||
long ulSectorOff = 0x0;
|
|
||||||
|
|
||||||
if ((nBlock < 0) || (nBlock > AFP_NumSectors))
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
/* figure out the offset of the block in flash */
|
|
||||||
if ((nBlock >= 0) && (nBlock < SecFlashABegin))
|
|
||||||
ulSectorOff = nBlock * AFP_SectorSize1;
|
|
||||||
|
|
||||||
else if ((nBlock >= SecFlashABegin) && (nBlock < NUM_SECTORS))
|
|
||||||
ulSectorOff =
|
|
||||||
SecFlashAOff + (nBlock - SecFlashABegin) * AFP_SectorSize2;
|
|
||||||
/* no such sector */
|
|
||||||
else
|
|
||||||
return FLASH_FAIL;
|
|
||||||
|
|
||||||
write_flash((WRITESEQ1 | ulSectorOff), WRITEDATA1);
|
|
||||||
write_flash((WRITESEQ2 | ulSectorOff), WRITEDATA2);
|
|
||||||
write_flash((WRITESEQ3 | ulSectorOff), WRITEDATA3);
|
|
||||||
write_flash((WRITESEQ4 | ulSectorOff), WRITEDATA4);
|
|
||||||
write_flash((WRITESEQ5 | ulSectorOff), WRITEDATA5);
|
|
||||||
|
|
||||||
write_flash(ulSectorOff, BlockEraseVal);
|
|
||||||
|
|
||||||
if (poll_toggle_bit(ulSectorOff) < 0)
|
|
||||||
return FLASH_FAIL;
|
|
||||||
printf(".");
|
|
||||||
|
|
||||||
return FLASH_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
void unlock_flash(long ulOffset)
|
|
||||||
{
|
|
||||||
unsigned long ulOffsetAddr = ulOffset;
|
|
||||||
ulOffsetAddr &= 0xFFFF0000;
|
|
||||||
|
|
||||||
write_flash((WRITESEQ1 | ulOffsetAddr), UNLOCKDATA1);
|
|
||||||
write_flash((WRITESEQ2 | ulOffsetAddr), UNLOCKDATA2);
|
|
||||||
write_flash((WRITESEQ3 | ulOffsetAddr), UNLOCKDATA3);
|
|
||||||
}
|
|
||||||
|
|
||||||
int get_codes()
|
|
||||||
{
|
|
||||||
int dev_id = 0;
|
|
||||||
|
|
||||||
write_flash(WRITESEQ1, GETCODEDATA1);
|
|
||||||
write_flash(WRITESEQ2, GETCODEDATA2);
|
|
||||||
write_flash(WRITESEQ3, GETCODEDATA3);
|
|
||||||
|
|
||||||
read_flash(0x0402, &dev_id);
|
|
||||||
dev_id &= 0x0000FFFF;
|
|
||||||
|
|
||||||
reset_flash();
|
|
||||||
|
|
||||||
return dev_id;
|
|
||||||
}
|
|
||||||
|
|
||||||
void get_sector_number(long ulOffset, int *pnSector)
|
|
||||||
{
|
|
||||||
int nSector = 0;
|
|
||||||
long lMainEnd = 0x400000;
|
|
||||||
long lBootEnd = 0x10000;
|
|
||||||
|
|
||||||
/* sector numbers for the FLASH A boot sectors */
|
|
||||||
if (ulOffset < lBootEnd) {
|
|
||||||
nSector = (int)ulOffset / AFP_SectorSize1;
|
|
||||||
}
|
|
||||||
/* sector numbers for the FLASH B boot sectors */
|
|
||||||
else if ((ulOffset >= lBootEnd) && (ulOffset < lMainEnd)) {
|
|
||||||
nSector = ((ulOffset / (AFP_SectorSize2)) + 7);
|
|
||||||
}
|
|
||||||
/* if it is a valid sector, set it */
|
|
||||||
if ((nSector >= 0) && (nSector < AFP_NumSectors))
|
|
||||||
*pnSector = nSector;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
@ -286,6 +286,11 @@
|
||||||
#define CFG_SDRAM_BASE 0x00000000
|
#define CFG_SDRAM_BASE 0x00000000
|
||||||
|
|
||||||
#define CFG_FLASH_BASE 0x20000000
|
#define CFG_FLASH_BASE 0x20000000
|
||||||
|
#define CFG_FLASH_CFI /* The flash is CFI compatible */
|
||||||
|
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
|
||||||
|
#define CFG_FLASH_PROTECTION
|
||||||
|
#define CFG_MAX_FLASH_BANKS 1
|
||||||
|
#define CFG_MAX_FLASH_SECT 71 /* some have 67 sectors (M29W320DB), but newer have 71 (M29W320EB) */
|
||||||
|
|
||||||
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
|
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
|
||||||
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
|
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
|
||||||
|
|
@ -295,10 +300,6 @@
|
||||||
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
|
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
|
||||||
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
|
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
|
||||||
|
|
||||||
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
|
|
||||||
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
|
|
||||||
#define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
|
|
||||||
|
|
||||||
#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) || (BFIN_BOOT_MODE == BF537_UART_BOOT)
|
#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) || (BFIN_BOOT_MODE == BF537_UART_BOOT)
|
||||||
/* for bf537-stamp, usrt boot mode still store env in flash */
|
/* for bf537-stamp, usrt boot mode still store env in flash */
|
||||||
#define CFG_ENV_IS_IN_FLASH 1
|
#define CFG_ENV_IS_IN_FLASH 1
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue