mirror of
https://github.com/Stichting-MINIX-Research-Foundation/u-boot.git
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EXBITGEN: drop support for unmaintained board
The EXBITGEN board has not been maintained for a long time; it has build problems, but no hardware is available any more for testing. Drop support for this board. Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Wolfgang Denk
parent
9461a939ca
commit
d0750bc9e5
@ -134,8 +134,6 @@ Wolfgang Denk <wd@denx.de>
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PCIPPC2 MPC750
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PCIPPC2 MPC750
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PCIPPC6 MPC750
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PCIPPC6 MPC750
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EXBITGEN PPC405GP
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Jon Diekema <jon.diekema@smiths-aerospace.com>
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Jon Diekema <jon.diekema@smiths-aerospace.com>
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sbc8260 MPC8260
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sbc8260 MPC8260
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1
MAKEALL
1
MAKEALL
@ -213,7 +213,6 @@ LIST_4xx=" \
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DU440 \
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DU440 \
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ebony \
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ebony \
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ERIC \
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ERIC \
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EXBITGEN \
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fx12mm \
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fx12mm \
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G2000 \
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G2000 \
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gdppc440etx \
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gdppc440etx \
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3
Makefile
3
Makefile
@ -1336,9 +1336,6 @@ ebony_config: unconfig
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ERIC_config: unconfig
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ERIC_config: unconfig
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@$(MKCONFIG) $(@:_config=) ppc ppc4xx eric
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@$(MKCONFIG) $(@:_config=) ppc ppc4xx eric
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EXBITGEN_config: unconfig
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@$(MKCONFIG) $(@:_config=) ppc ppc4xx exbitgen
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fx12mm_flash_config: unconfig
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fx12mm_flash_config: unconfig
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@mkdir -p $(obj)include $(obj)board/xilinx/ppc405-generic
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@mkdir -p $(obj)include $(obj)board/xilinx/ppc405-generic
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@mkdir -p $(obj)include $(obj)board/avnet/fx12mm
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@mkdir -p $(obj)include $(obj)board/avnet/fx12mm
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@ -1,52 +0,0 @@
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#
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# (C) Copyright 2000-2006
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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., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).a
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COBJS = $(BOARD).o flash.o
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SOBJS = init.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(OBJS) $(SOBJS)
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$(AR) $(ARFLAGS) $@ $^
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clean:
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rm -f $(SOBJS) $(OBJS)
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distclean: clean
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rm -f $(LIB) core *.bak $(obj).depend
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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@ -1,33 +0,0 @@
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#
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# (C) Copyright 2000
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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., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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#
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# ExbitGen board
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#
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LDFLAGS += $(LINKER_UNDEFS)
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TEXT_BASE := 0xFFF80000
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#TEXT_BASE := 0x00100000
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PLATFORM_RELFLAGS := $(PLATFORM_RELFLAGS)
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@ -1,126 +0,0 @@
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#include <common.h>
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#include <asm/u-boot.h>
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#include <asm/processor.h>
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#include "exbitgen.h"
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void sdram_init(void);
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/* ************************************************************************ */
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int board_early_init_f (void)
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/* ------------------------------------------------------------------------ --
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* Purpose :
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* Remarks :
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* Restrictions:
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* See also :
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* Example :
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* ************************************************************************ */
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{
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unsigned long i;
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/*-------------------------------------------------------------------------+
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| Interrupt controller setup for the Walnut board.
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| Note: IRQ 0-15 405GP internally generated; active high; level sensitive
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| IRQ 16 405GP internally generated; active low; level sensitive
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| IRQ 17-24 RESERVED
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| IRQ 25 (EXT IRQ 0) FPGA; active high; level sensitive
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| IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive
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| IRQ 27 (EXT IRQ 2) Not Used
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| IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
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| IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
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| IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
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| IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
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| Note for Walnut board:
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| An interrupt taken for the FPGA (IRQ 25) indicates that either
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| the Mouse, Keyboard, IRDA, or External Expansion caused the
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| interrupt. The FPGA must be read to determine which device
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| caused the interrupt. The default setting of the FPGA clears
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+-------------------------------------------------------------------------*/
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mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
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mtdcr (UIC0ER, 0x00000000); /* disable all ints */
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mtdcr (UIC0CR, 0x00000020); /* set all but FPGA SMI to be non-critical */
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mtdcr (UIC0PR, 0xFFFFFF90); /* set int polarities */
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mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
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mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
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mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
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/* Perform reset of PHY connected to PPC via register in CPLD */
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out8 (PHY_CTRL_ADDR, 0x2e); /* activate nRESET,FDX,F100,ANEN, enable output */
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for (i = 0; i < 10000000; i++) {
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;
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}
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out8 (PHY_CTRL_ADDR, 0x2f); /* deactivate nRESET */
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return 0;
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}
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/* ************************************************************************ */
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int checkboard (void)
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/* ------------------------------------------------------------------------ --
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* Purpose :
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* Remarks :
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* Restrictions:
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* See also :
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* Example :
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* ************************************************************************ */
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{
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printf ("Exbit H/W id: %d\n", in8 (HW_ID_ADDR));
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return (0);
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}
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/* ************************************************************************ */
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phys_size_t initdram (int board_type)
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/* ------------------------------------------------------------------------ --
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* Purpose : Determines size of mounted DRAM.
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* Remarks : Size is determined by reading SDRAM configuration registers as
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* set up by sdram_init.
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* Restrictions:
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* See also :
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* Example :
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* ************************************************************************ */
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{
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ulong tot_size;
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ulong bank_size;
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ulong tmp;
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/*
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* ToDo: Move the asm init routine sdram_init() to this C file,
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* or even better use some common ppc4xx code available
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* in cpu/ppc4xx
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*/
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sdram_init();
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tot_size = 0;
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mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
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tmp = mfdcr (SDRAM0_CFGDATA);
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if (tmp & 0x00000001) {
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bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
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tot_size += bank_size;
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}
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mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR);
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tmp = mfdcr (SDRAM0_CFGDATA);
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if (tmp & 0x00000001) {
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bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
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tot_size += bank_size;
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}
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mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR);
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tmp = mfdcr (SDRAM0_CFGDATA);
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if (tmp & 0x00000001) {
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bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
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tot_size += bank_size;
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}
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mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR);
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tmp = mfdcr (SDRAM0_CFGDATA);
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if (tmp & 0x00000001) {
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bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
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tot_size += bank_size;
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}
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return tot_size;
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}
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@ -1,52 +0,0 @@
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/*
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* (C) Copyright 2003
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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., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#define GPIO_CPU_LED GPIO_3
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#define CPLD_BASE 0x10000000 /* t.b.m. */
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#define DEBUG_LEDS_ADDR CPLD_BASE + 0x01
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#define HW_ID_ADDR CPLD_BASE + 0x02
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#define DIP_SWITCH_ADDR CPLD_BASE + 0x04
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#define PHY_CTRL_ADDR CPLD_BASE + 0x05
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#define SPI_OUT_ADDR CPLD_BASE + 0x07
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#define SPI_IN_ADDR CPLD_BASE + 0x08
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#define MDIO_OUT_ADDR CPLD_BASE + 0x09
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#define MDIO_IN_ADDR CPLD_BASE + 0x0A
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#define MISC_OUT_ADDR CPLD_BASE + 0x0B
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/* Addresses used on I2C bus */
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#define LM75_CHIP_ADDR 0x9C
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#define LM75_CPU_ADDR 0x9E
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#define SDRAM_SPD_ADDR 0xA0
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#define SDRAM_SPD_WRITE_ADDRESS (SDRAM_SPD_ADDR)
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#define SDRAM_SPD_READ_ADDRESS (SDRAM_SPD_ADDR+1)
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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@ -1,597 +0,0 @@
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/*
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* (C) Copyright 2003
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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
|
|
||||||
* 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
|
|
||||||
* along with this program; if not, write to the Free Software
|
|
||||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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||||||
* MA 02111-1307 USA
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*/
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/*
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* Modified 4/5/2001
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* Wait for completion of each sector erase command issued
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* 4/5/2001
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* Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
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*/
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#include <common.h>
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#include <asm/u-boot.h>
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#include <asm/processor.h>
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#include <ppc4xx.h>
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flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
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/*-----------------------------------------------------------------------
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* Functions
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*/
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static ulong flash_get_size (vu_long *addr, flash_info_t *info);
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static int write_word (flash_info_t *info, ulong dest, ulong data);
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#ifdef MEIGSBOARD_ONBOARD_FLASH /* onboard = 2MB */
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# ifdef CONFIG_EXBITGEN
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# define FLASH_WORD_SIZE unsigned long
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# endif
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#else /* Meigsboard socket flash = 512KB */
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# ifdef CONFIG_EXBITGEN
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# define FLASH_WORD_SIZE unsigned char
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# endif
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#endif
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#ifdef CONFIG_EXBITGEN
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#define ADDR0 0x5555
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#define ADDR1 0x2aaa
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#define FLASH_WORD_SIZE unsigned char
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#endif
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/*-----------------------------------------------------------------------
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*/
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unsigned long flash_init (void)
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{
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unsigned long bank_size;
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unsigned long tot_size;
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unsigned long bank_addr;
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int i;
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/* Init: no FLASHes known */
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for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
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flash_info[i].flash_id = FLASH_UNKNOWN;
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flash_info[i].size = 0;
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}
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tot_size = 0;
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/* Detect Boot Flash */
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bank_addr = CONFIG_SYS_FLASH0_BASE;
|
|
||||||
bank_size = flash_get_size((vu_long *)bank_addr, &flash_info[0]);
|
|
||||||
if (bank_size > 0) {
|
|
||||||
(void)flash_protect(FLAG_PROTECT_CLEAR,
|
|
||||||
bank_addr,
|
|
||||||
bank_addr + bank_size - 1,
|
|
||||||
&flash_info[0]);
|
|
||||||
}
|
|
||||||
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
|
|
||||||
printf ("## Unknown FLASH on Boot Flash Bank\n");
|
|
||||||
}
|
|
||||||
flash_info[0].size = bank_size;
|
|
||||||
tot_size += bank_size;
|
|
||||||
|
|
||||||
/* Detect Application Flash */
|
|
||||||
bank_addr = CONFIG_SYS_FLASH1_BASE;
|
|
||||||
for (i = 1; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
|
|
||||||
bank_size = flash_get_size((vu_long *)bank_addr, &flash_info[i]);
|
|
||||||
if (flash_info[i].flash_id == FLASH_UNKNOWN) {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
if (bank_size > 0) {
|
|
||||||
(void)flash_protect(FLAG_PROTECT_CLEAR,
|
|
||||||
bank_addr,
|
|
||||||
bank_addr + bank_size - 1,
|
|
||||||
&flash_info[i]);
|
|
||||||
}
|
|
||||||
flash_info[i].size = bank_size;
|
|
||||||
tot_size += bank_size;
|
|
||||||
bank_addr += bank_size;
|
|
||||||
}
|
|
||||||
if (flash_info[1].flash_id == FLASH_UNKNOWN) {
|
|
||||||
printf ("## Unknown FLASH on Application Flash Bank\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Protect monitor and environment sectors */
|
|
||||||
#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH0_BASE
|
|
||||||
flash_protect(FLAG_PROTECT_SET,
|
|
||||||
CONFIG_SYS_MONITOR_BASE,
|
|
||||||
CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
|
|
||||||
&flash_info[0]);
|
|
||||||
#if 0xfffffffc >= CONFIG_SYS_FLASH0_BASE
|
|
||||||
#if 0xfffffffc <= CONFIG_SYS_FLASH0_BASE + CONFIG_SYS_FLASH0_SIZE - 1
|
|
||||||
flash_protect(FLAG_PROTECT_SET,
|
|
||||||
0xfffffffc, 0xffffffff,
|
|
||||||
&flash_info[0]);
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
|
|
||||||
flash_protect(FLAG_PROTECT_SET,
|
|
||||||
CONFIG_ENV_ADDR,
|
|
||||||
CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
|
|
||||||
&flash_info[0]);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
return tot_size;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
void flash_print_info (flash_info_t *info)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
if (info->flash_id == FLASH_UNKNOWN) {
|
|
||||||
printf ("missing or unknown FLASH type\n");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
switch (info->flash_id & FLASH_VENDMASK) {
|
|
||||||
case FLASH_MAN_AMD: printf ("AMD "); break;
|
|
||||||
case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
|
|
||||||
case FLASH_MAN_SST: printf ("SST "); break;
|
|
||||||
default: printf ("Unknown Vendor "); break;
|
|
||||||
}
|
|
||||||
|
|
||||||
switch (info->flash_id & FLASH_TYPEMASK) {
|
|
||||||
case FLASH_AM040: printf ("AM29F040 (512 Kbit, uniform sector size)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AMDLV033C: printf ("AM29LV033C (32 Mbit, uniform sector size)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_AMDLV065D: printf ("AM29LV065D (64 Mbit, uniform sector size)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_SST800A: printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_SST160A: printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
|
|
||||||
break;
|
|
||||||
case FLASH_SST040: printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\n");
|
|
||||||
break;
|
|
||||||
default: printf ("Unknown Chip Type\n");
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
printf (" Size: %ld KB in %d Sectors\n",
|
|
||||||
info->size >> 10, info->sector_count);
|
|
||||||
|
|
||||||
printf (" Sector Start Addresses:");
|
|
||||||
for (i=0; i<info->sector_count; ++i) {
|
|
||||||
if ((i % 5) == 0)
|
|
||||||
printf ("\n ");
|
|
||||||
printf (" %08lX%s",
|
|
||||||
info->start[i],
|
|
||||||
info->protect[i] ? " (RO)" : " "
|
|
||||||
);
|
|
||||||
}
|
|
||||||
printf ("\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The following code cannot be run from FLASH!
|
|
||||||
*/
|
|
||||||
static ulong flash_get_size (vu_long *addr, flash_info_t *info)
|
|
||||||
{
|
|
||||||
short i;
|
|
||||||
FLASH_WORD_SIZE value;
|
|
||||||
ulong base = (ulong)addr;
|
|
||||||
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
|
|
||||||
|
|
||||||
/* Write auto select command: read Manufacturer ID */
|
|
||||||
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
|
|
||||||
addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
|
|
||||||
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
|
|
||||||
|
|
||||||
value = addr2[0];
|
|
||||||
|
|
||||||
switch (value) {
|
|
||||||
case (FLASH_WORD_SIZE)AMD_MANUFACT:
|
|
||||||
info->flash_id = FLASH_MAN_AMD;
|
|
||||||
break;
|
|
||||||
case (FLASH_WORD_SIZE)FUJ_MANUFACT:
|
|
||||||
info->flash_id = FLASH_MAN_FUJ;
|
|
||||||
break;
|
|
||||||
case (FLASH_WORD_SIZE)SST_MANUFACT:
|
|
||||||
info->flash_id = FLASH_MAN_SST;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
info->flash_id = FLASH_UNKNOWN;
|
|
||||||
info->sector_count = 0;
|
|
||||||
info->size = 0;
|
|
||||||
return (0); /* no or unknown flash */
|
|
||||||
}
|
|
||||||
|
|
||||||
value = addr2[1]; /* device ID */
|
|
||||||
|
|
||||||
switch (value) {
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_F040B:
|
|
||||||
info->flash_id += FLASH_AM040;
|
|
||||||
info->sector_count = 8;
|
|
||||||
info->size = 0x0080000; /* => 512 ko */
|
|
||||||
break;
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV400T:
|
|
||||||
info->flash_id += FLASH_AM400T;
|
|
||||||
info->sector_count = 11;
|
|
||||||
info->size = 0x00080000;
|
|
||||||
break; /* => 0.5 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV400B:
|
|
||||||
info->flash_id += FLASH_AM400B;
|
|
||||||
info->sector_count = 11;
|
|
||||||
info->size = 0x00080000;
|
|
||||||
break; /* => 0.5 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV800T:
|
|
||||||
info->flash_id += FLASH_AM800T;
|
|
||||||
info->sector_count = 19;
|
|
||||||
info->size = 0x00100000;
|
|
||||||
break; /* => 1 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV800B:
|
|
||||||
info->flash_id += FLASH_AM800B;
|
|
||||||
info->sector_count = 19;
|
|
||||||
info->size = 0x00100000;
|
|
||||||
break; /* => 1 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV160T:
|
|
||||||
info->flash_id += FLASH_AM160T;
|
|
||||||
info->sector_count = 35;
|
|
||||||
info->size = 0x00200000;
|
|
||||||
break; /* => 2 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV160B:
|
|
||||||
info->flash_id += FLASH_AM160B;
|
|
||||||
info->sector_count = 35;
|
|
||||||
info->size = 0x00200000;
|
|
||||||
break; /* => 2 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV033C:
|
|
||||||
info->flash_id += FLASH_AMDLV033C;
|
|
||||||
info->sector_count = 64;
|
|
||||||
info->size = 0x00400000;
|
|
||||||
break; /* => 4 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV065D:
|
|
||||||
info->flash_id += FLASH_AMDLV065D;
|
|
||||||
info->sector_count = 128;
|
|
||||||
info->size = 0x00800000;
|
|
||||||
break; /* => 8 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV320T:
|
|
||||||
info->flash_id += FLASH_AM320T;
|
|
||||||
info->sector_count = 67;
|
|
||||||
info->size = 0x00400000;
|
|
||||||
break; /* => 4 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)AMD_ID_LV320B:
|
|
||||||
info->flash_id += FLASH_AM320B;
|
|
||||||
info->sector_count = 67;
|
|
||||||
info->size = 0x00400000;
|
|
||||||
break; /* => 4 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)SST_ID_xF800A:
|
|
||||||
info->flash_id += FLASH_SST800A;
|
|
||||||
info->sector_count = 16;
|
|
||||||
info->size = 0x00100000;
|
|
||||||
break; /* => 1 MB */
|
|
||||||
|
|
||||||
case (FLASH_WORD_SIZE)SST_ID_xF160A:
|
|
||||||
info->flash_id += FLASH_SST160A;
|
|
||||||
info->sector_count = 32;
|
|
||||||
info->size = 0x00200000;
|
|
||||||
break; /* => 2 MB */
|
|
||||||
case (FLASH_WORD_SIZE)SST_ID_xF040:
|
|
||||||
info->flash_id += FLASH_SST040;
|
|
||||||
info->sector_count = 128;
|
|
||||||
info->size = 0x00080000;
|
|
||||||
break; /* => 512KB */
|
|
||||||
|
|
||||||
default:
|
|
||||||
info->flash_id = FLASH_UNKNOWN;
|
|
||||||
return (0); /* => no or unknown flash */
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* set up sector start address table */
|
|
||||||
if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
|
|
||||||
(info->flash_id == FLASH_AM040) ||
|
|
||||||
(info->flash_id == FLASH_AMDLV033C) ||
|
|
||||||
(info->flash_id == FLASH_AMDLV065D)) {
|
|
||||||
ulong sectsize = info->size / info->sector_count;
|
|
||||||
for (i = 0; i < info->sector_count; i++)
|
|
||||||
info->start[i] = base + (i * sectsize);
|
|
||||||
} else {
|
|
||||||
if (info->flash_id & FLASH_BTYPE) {
|
|
||||||
/* set sector offsets for bottom boot block type */
|
|
||||||
info->start[0] = base + 0x00000000;
|
|
||||||
info->start[1] = base + 0x00004000;
|
|
||||||
info->start[2] = base + 0x00006000;
|
|
||||||
info->start[3] = base + 0x00008000;
|
|
||||||
for (i = 4; i < info->sector_count; i++) {
|
|
||||||
info->start[i] = base + (i * 0x00010000) - 0x00030000;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
/* set sector offsets for top boot block type */
|
|
||||||
i = info->sector_count - 1;
|
|
||||||
info->start[i--] = base + info->size - 0x00004000;
|
|
||||||
info->start[i--] = base + info->size - 0x00006000;
|
|
||||||
info->start[i--] = base + info->size - 0x00008000;
|
|
||||||
for (; i >= 0; i--) {
|
|
||||||
info->start[i] = base + i * 0x00010000;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* check for protected sectors */
|
|
||||||
for (i = 0; i < info->sector_count; i++) {
|
|
||||||
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
|
|
||||||
/* D0 = 1 if protected */
|
|
||||||
|
|
||||||
addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
|
|
||||||
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
|
|
||||||
info->protect[i] = 0;
|
|
||||||
else
|
|
||||||
info->protect[i] = addr2[2] & 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* switch to the read mode */
|
|
||||||
if (info->flash_id != FLASH_UNKNOWN) {
|
|
||||||
addr2 = (FLASH_WORD_SIZE *)info->start[0];
|
|
||||||
*addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
|
|
||||||
}
|
|
||||||
|
|
||||||
return (info->size);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
|
|
||||||
int flash_erase (flash_info_t *info, int s_first, int s_last)
|
|
||||||
{
|
|
||||||
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
|
|
||||||
volatile FLASH_WORD_SIZE *addr2;
|
|
||||||
int flag, prot, sect;
|
|
||||||
ulong start, now, last;
|
|
||||||
|
|
||||||
if ((s_first < 0) || (s_first > s_last)) {
|
|
||||||
if (info->flash_id == FLASH_UNKNOWN) {
|
|
||||||
printf ("- missing\n");
|
|
||||||
} else {
|
|
||||||
printf ("- no sectors to erase\n");
|
|
||||||
}
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (info->flash_id == FLASH_UNKNOWN) {
|
|
||||||
printf ("Can't erase unknown flash type - aborted\n");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
prot = 0;
|
|
||||||
for (sect=s_first; sect<=s_last; ++sect) {
|
|
||||||
if (info->protect[sect]) {
|
|
||||||
prot++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (prot) {
|
|
||||||
printf ("- Warning: %d protected sectors will not be erased!\n",
|
|
||||||
prot);
|
|
||||||
} else {
|
|
||||||
printf ("\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
start = get_timer (0);
|
|
||||||
last = start;
|
|
||||||
/* Start erase on unprotected sectors */
|
|
||||||
for (sect = s_first; sect <= s_last; sect++) {
|
|
||||||
if (info->protect[sect] == 0) { /* not protected */
|
|
||||||
addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
|
|
||||||
|
|
||||||
/* Disable interrupts which might cause a timeout here */
|
|
||||||
flag = disable_interrupts();
|
|
||||||
|
|
||||||
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
|
|
||||||
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
|
|
||||||
addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
|
|
||||||
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
|
|
||||||
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
|
|
||||||
addr2[0] = (FLASH_WORD_SIZE)0x00300030;
|
|
||||||
|
|
||||||
/* re-enable interrupts if necessary */
|
|
||||||
if (flag)
|
|
||||||
enable_interrupts();
|
|
||||||
|
|
||||||
/* wait at least 80us - let's wait 1 ms */
|
|
||||||
udelay (1000);
|
|
||||||
|
|
||||||
while ((addr2[0] & 0x00800080) !=
|
|
||||||
(FLASH_WORD_SIZE) 0x00800080) {
|
|
||||||
if ((now=get_timer(start)) >
|
|
||||||
CONFIG_SYS_FLASH_ERASE_TOUT) {
|
|
||||||
printf ("Timeout\n");
|
|
||||||
addr[0] = (FLASH_WORD_SIZE)0x00F000F0;
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* show that we're waiting */
|
|
||||||
if ((now - last) > 1000) { /* every second */
|
|
||||||
putc ('.');
|
|
||||||
last = now;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
addr[0] = (FLASH_WORD_SIZE)0x00F000F0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
printf (" done\n");
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
* Copy memory to flash, returns:
|
|
||||||
* 0 - OK
|
|
||||||
* 1 - write timeout
|
|
||||||
* 2 - Flash not erased
|
|
||||||
*/
|
|
||||||
|
|
||||||
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
|
|
||||||
{
|
|
||||||
ulong cp, wp, data;
|
|
||||||
int i, l, rc;
|
|
||||||
|
|
||||||
wp = (addr & ~3); /* get lower word aligned address */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* handle unaligned start bytes
|
|
||||||
*/
|
|
||||||
if ((l = addr - wp) != 0) {
|
|
||||||
data = 0;
|
|
||||||
for (i=0, cp=wp; i<l; ++i, ++cp) {
|
|
||||||
data = (data << 8) | (*(uchar *)cp);
|
|
||||||
}
|
|
||||||
for (; i<4 && cnt>0; ++i) {
|
|
||||||
data = (data << 8) | *src++;
|
|
||||||
--cnt;
|
|
||||||
++cp;
|
|
||||||
}
|
|
||||||
for (; cnt==0 && i<4; ++i, ++cp) {
|
|
||||||
data = (data << 8) | (*(uchar *)cp);
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((rc = write_word(info, wp, data)) != 0) {
|
|
||||||
return (rc);
|
|
||||||
}
|
|
||||||
wp += 4;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* handle word aligned part
|
|
||||||
*/
|
|
||||||
while (cnt >= 4) {
|
|
||||||
data = 0;
|
|
||||||
for (i=0; i<4; ++i) {
|
|
||||||
data = (data << 8) | *src++;
|
|
||||||
}
|
|
||||||
if ((rc = write_word(info, wp, data)) != 0) {
|
|
||||||
return (rc);
|
|
||||||
}
|
|
||||||
wp += 4;
|
|
||||||
cnt -= 4;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (cnt == 0) {
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* handle unaligned tail bytes
|
|
||||||
*/
|
|
||||||
data = 0;
|
|
||||||
for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
|
|
||||||
data = (data << 8) | *src++;
|
|
||||||
--cnt;
|
|
||||||
}
|
|
||||||
for (; i<4; ++i, ++cp) {
|
|
||||||
data = (data << 8) | (*(uchar *)cp);
|
|
||||||
}
|
|
||||||
|
|
||||||
return (write_word(info, wp, data));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
* Write a word to Flash, returns:
|
|
||||||
* 0 - OK
|
|
||||||
* 1 - write timeout
|
|
||||||
* 2 - Flash not erased
|
|
||||||
*/
|
|
||||||
static int write_word (flash_info_t *info, ulong dest, ulong data)
|
|
||||||
{
|
|
||||||
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)(info->start[0]);
|
|
||||||
volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *)dest;
|
|
||||||
volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
|
|
||||||
ulong start;
|
|
||||||
int flag;
|
|
||||||
int i;
|
|
||||||
|
|
||||||
/* Check if Flash is (sufficiently) erased */
|
|
||||||
if ((*((volatile ulong *)dest) & data) != data) {
|
|
||||||
printf("dest = %08lx, *dest = %08lx, data = %08lx\n",
|
|
||||||
dest, *(volatile ulong *)dest, data);
|
|
||||||
return 2;
|
|
||||||
}
|
|
||||||
|
|
||||||
for (i=0; i < 4/sizeof(FLASH_WORD_SIZE); i++) {
|
|
||||||
/* Disable interrupts which might cause a timeout here */
|
|
||||||
flag = disable_interrupts();
|
|
||||||
|
|
||||||
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
|
|
||||||
addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
|
|
||||||
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
|
|
||||||
dest2[i] = data2[i];
|
|
||||||
|
|
||||||
/* re-enable interrupts if necessary */
|
|
||||||
if (flag)
|
|
||||||
enable_interrupts();
|
|
||||||
|
|
||||||
/* data polling for D7 */
|
|
||||||
start = get_timer (0);
|
|
||||||
while ((dest2[i] & 0x00800080) != (data2[i] & 0x00800080)) {
|
|
||||||
if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
|
|
||||||
addr2[0] = (FLASH_WORD_SIZE)0x00F000F0;
|
|
||||||
return (1);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
addr2[0] = (FLASH_WORD_SIZE)0x00F000F0;
|
|
||||||
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-----------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
File diff suppressed because it is too large
Load Diff
Loading…
x
Reference in New Issue
Block a user