parent
31a649234e
commit
7ca202f566
@ -0,0 +1,40 @@ |
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#
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# (C) Copyright 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., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = lib$(BOARD).a
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OBJS = $(BOARD).o flash.o
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$(LIB): .depend $(OBJS) |
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$(AR) crv $@ $(OBJS)
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#########################################################################
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.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) |
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$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
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sinclude .depend |
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#########################################################################
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@ -0,0 +1,28 @@ |
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#
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# (C) Copyright 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., 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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# NC650 board
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#
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TEXT_BASE = 0x40700000
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@ -0,0 +1,542 @@ |
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/*
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* (C) Copyright 2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* (C) Copyright 2001 |
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* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net |
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* |
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* (C) Copyright 2001 |
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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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#undef DEBUG |
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#include <common.h> |
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#include <mpc8xx.h> |
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#ifndef CFG_OR_TIMING_FLASH_AT_50MHZ |
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#define CFG_OR_TIMING_FLASH_AT_50MHZ (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ |
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OR_SCY_2_CLK | OR_EHTR | OR_BI) |
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#endif |
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flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
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#if defined(CFG_ENV_IS_IN_FLASH) |
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# ifndef CFG_ENV_ADDR |
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# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) |
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# endif |
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# ifndef CFG_ENV_SIZE |
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# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE |
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# endif |
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# ifndef CFG_ENV_SECT_SIZE |
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# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE |
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# endif |
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#endif |
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/*-----------------------------------------------------------------------
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* Protection Flags: |
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*/ |
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#define FLAG_PROTECT_SET 0x01 |
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#define FLAG_PROTECT_CLEAR 0x02 |
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/* Board support for 1 or 2 flash devices */ |
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#undef FLASH_PORT_WIDTH32 |
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#undef FLASH_PORT_WIDTH16 |
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#define FLASH_PORT_WIDTH8 |
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#ifdef FLASH_PORT_WIDTH16 |
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#define FLASH_PORT_WIDTH ushort |
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#define FLASH_PORT_WIDTHV vu_short |
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#elif FLASH_PORT_WIDTH32 |
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#define FLASH_PORT_WIDTH ulong |
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#define FLASH_PORT_WIDTHV vu_long |
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#else /* FLASH_PORT_WIDTH8 */ |
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#define FLASH_PORT_WIDTH uchar |
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#define FLASH_PORT_WIDTHV vu_char |
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#endif |
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#define FPW FLASH_PORT_WIDTH |
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#define FPWV FLASH_PORT_WIDTHV |
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/*-----------------------------------------------------------------------
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* Functions |
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*/ |
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static ulong flash_get_size (FPWV * addr, flash_info_t * info); |
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static int write_data (flash_info_t * info, ulong dest, FPW data); |
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static void flash_get_offsets (ulong base, flash_info_t * info); |
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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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volatile immap_t *immap = (immap_t *) CFG_IMMR; |
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volatile memctl8xx_t *memctl = &immap->im_memctl; |
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unsigned long size_b0; |
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int i; |
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#ifdef CFG_OR_TIMING_FLASH_AT_50MHZ |
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int scy, trlx, flash_or_timing, clk_diff; |
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DECLARE_GLOBAL_DATA_PTR; |
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scy = (CFG_OR_TIMING_FLASH_AT_50MHZ & OR_SCY_MSK) >> 4; |
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if (CFG_OR_TIMING_FLASH_AT_50MHZ & OR_TRLX) { |
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trlx = OR_TRLX; |
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scy *= 2; |
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} else |
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trlx = 0; |
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/* We assume that each 10MHz of bus clock require 1-clk SCY
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* adjustment. |
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*/ |
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clk_diff = (gd->bus_clk / 1000000) - 50; |
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/* We need proper rounding here. This is what the "+5" and "-5"
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* are here for. |
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*/ |
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if (clk_diff >= 0) |
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scy += (clk_diff + 5) / 10; |
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else |
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scy += (clk_diff - 5) / 10; |
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/* For bus frequencies above 50MHz, we want to use relaxed
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* timing (OR_TRLX). |
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*/ |
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if (gd->bus_clk >= 50000000) |
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trlx = OR_TRLX; |
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else |
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trlx = 0; |
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if (trlx) |
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scy /= 2; |
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if (scy > 0xf) |
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scy = 0xf; |
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if (scy < 1) |
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scy = 1; |
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flash_or_timing = (scy << 4) | trlx | |
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(CFG_OR_TIMING_FLASH_AT_50MHZ & ~(OR_TRLX | OR_SCY_MSK)); |
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#endif |
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/* Init: no FLASHes known */ |
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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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/* Static FLASH Bank configuration here - FIXME XXX */ |
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size_b0 = flash_get_size ((FPW *) FLASH_BASE0_PRELIM, &flash_info[0]); |
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if (flash_info[0].flash_id == FLASH_UNKNOWN) { |
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printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", |
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size_b0, size_b0 << 20); |
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} |
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/* Remap FLASH according to real size */ |
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#ifndef CFG_OR_TIMING_FLASH_AT_50MHZ |
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memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK); |
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#else |
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memctl->memc_or0 = flash_or_timing | (-size_b0 & OR_AM_MSK); |
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#endif |
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memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_MS_GPCM | BR_V; |
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/* Re-do sizing to get full correct info */ |
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size_b0 = flash_get_size ((FPW *) CFG_FLASH_BASE, &flash_info[0]); |
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flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]); |
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#if CFG_MONITOR_BASE >= CFG_FLASH_BASE |
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/* monitor protection ON by default */ |
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(void) flash_protect (FLAG_PROTECT_SET, |
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CFG_MONITOR_BASE, |
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CFG_MONITOR_BASE + monitor_flash_len - 1, |
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&flash_info[0]); |
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#endif |
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#ifdef CFG_ENV_IS_IN_FLASH |
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/* ENV protection ON by default */ |
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flash_protect (FLAG_PROTECT_SET, |
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CFG_ENV_ADDR, |
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CFG_ENV_ADDR + CFG_ENV_SIZE - 1, |
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&flash_info[0]); |
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#endif |
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flash_info[0].size = size_b0; |
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return (size_b0); |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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static void flash_get_offsets (ulong base, 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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return; |
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} |
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { |
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for (i = 0; i < info->sector_count; i++) { |
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info->start[i] = base + (i * 0x00020000); |
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} |
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} |
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} |
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/*-----------------------------------------------------------------------
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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 & FLASH_VENDMASK) { |
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case FLASH_MAN_INTEL: |
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printf ("INTEL "); |
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break; |
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default: |
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printf ("Unknown Vendor "); |
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break; |
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} |
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switch (info->flash_id & FLASH_TYPEMASK) { |
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case FLASH_28F320J3A: |
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printf ("28F320J3A\n"); |
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break; |
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case FLASH_28F640J3A: |
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printf ("28F640J3A\n"); |
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break; |
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case FLASH_28F128J3A: |
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printf ("28F128J3A\n"); |
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break; |
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default: |
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printf ("Unknown Chip Type\n"); |
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break; |
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} |
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printf (" Size: %ld MB in %d Sectors\n", |
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info->size >> 20, info->sector_count); |
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printf (" Sector Start Addresses:"); |
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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], |
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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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/*-----------------------------------------------------------------------
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*/ |
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/*-----------------------------------------------------------------------
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*/ |
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/*
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* The following code cannot be run from FLASH! |
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*/ |
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static ulong flash_get_size (FPWV * addr, flash_info_t * info) |
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{ |
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FPW value; |
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addr[0] = (FPW) 0x00900090; |
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value = addr[0]; |
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debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value); |
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switch (value) { |
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case (FPW) INTEL_MANUFACT: |
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info->flash_id = FLASH_MAN_INTEL; |
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break; |
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default: |
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info->flash_id = FLASH_UNKNOWN; |
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info->sector_count = 0; |
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info->size = 0; |
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addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ |
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return (0); /* no or unknown flash */ |
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} |
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#ifdef FLASH_PORT_WIDTH8 |
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value = addr[2]; /* device ID */ |
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#else |
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value = addr[1]; /* device ID */ |
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#endif |
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debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value); |
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switch (value) { |
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case (FPW) INTEL_ID_28F320J3A: |
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info->flash_id += FLASH_28F320J3A; |
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info->sector_count = 32; |
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info->size = 0x00400000; |
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break; /* => 4 MB */ |
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|
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case (FPW) INTEL_ID_28F640J3A: |
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info->flash_id += FLASH_28F640J3A; |
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info->sector_count = 64; |
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info->size = 0x00800000; |
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break; /* => 8 MB */ |
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|
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case (FPW) INTEL_ID_28F128J3A: |
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info->flash_id += FLASH_28F128J3A; |
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info->sector_count = 128; |
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info->size = 0x01000000; |
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break; /* => 16 MB */ |
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|
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default: |
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info->flash_id = FLASH_UNKNOWN; |
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break; |
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} |
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if (info->sector_count > CFG_MAX_FLASH_SECT) { |
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printf ("** ERROR: sector count %d > max (%d) **\n", |
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info->sector_count, CFG_MAX_FLASH_SECT); |
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info->sector_count = CFG_MAX_FLASH_SECT; |
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} |
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|
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addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ |
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return (info->size); |
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} |
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|
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|
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/*-----------------------------------------------------------------------
|
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*/ |
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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 flag, prot, sect; |
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ulong type, start, now, last; |
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int rcode = 0; |
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|
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if ((s_first < 0) || (s_first > s_last)) { |
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if (info->flash_id == FLASH_UNKNOWN) { |
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printf ("- missing\n"); |
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} else { |
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printf ("- no sectors to erase\n"); |
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} |
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return 1; |
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} |
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|
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type = (info->flash_id & FLASH_VENDMASK); |
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if ((type != FLASH_MAN_INTEL)) { |
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printf ("Can't erase unknown flash type %08lx - aborted\n", |
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info->flash_id); |
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return 1; |
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} |
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|
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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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} |
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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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} |
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|
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start = get_timer (0); |
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last = start; |
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/* Start erase on unprotected sectors */ |
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for (sect = s_first; sect <= s_last; sect++) { |
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if (info->protect[sect] == 0) { /* not protected */ |
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FPWV *addr = (FPWV *) (info->start[sect]); |
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FPW status; |
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|
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/* Disable interrupts which might cause a timeout here */ |
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flag = disable_interrupts (); |
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|
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*addr = (FPW) 0x00500050; /* clear status register */ |
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*addr = (FPW) 0x00200020; /* erase setup */ |
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*addr = (FPW) 0x00D000D0; /* erase confirm */ |
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|
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/* re-enable interrupts if necessary */ |
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if (flag) |
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enable_interrupts (); |
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|
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/* wait at least 80us - let's wait 1 ms */ |
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udelay (1000); |
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|
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while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { |
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if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) { |
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printf ("Timeout\n"); |
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*addr = (FPW) 0x00B000B0; /* suspend erase */ |
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*addr = (FPW) 0x00FF00FF; /* reset to read mode */ |
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rcode = 1; |
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break; |
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} |
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|
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/* show that we're waiting */ |
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if ((now - last) > 1000) { /* every second */ |
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putc ('.'); |
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last = now; |
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} |
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} |
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|
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*addr = (FPW) 0x00FF00FF; /* reset to read mode */ |
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} |
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} |
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printf (" done\n"); |
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return rcode; |
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} |
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|
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/*-----------------------------------------------------------------------
|
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* Copy memory to flash, returns: |
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* 0 - OK |
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* 1 - write timeout |
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* 2 - Flash not erased |
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* 4 - Flash not identified |
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*/ |
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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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ulong cp, wp; |
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FPW data; |
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|
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int i, l, rc, port_width; |
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|
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if (info->flash_id == FLASH_UNKNOWN) { |
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return 4; |
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} |
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/* get lower word aligned address */ |
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#ifdef FLASH_PORT_WIDTH16 |
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wp = (addr & ~1); |
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port_width = 2; |
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#elif defined(FLASH_PORT_WIDTH32) |
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wp = (addr & ~3); |
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port_width = 4; |
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#else |
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wp = addr; |
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port_width = 1; |
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#endif |
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|
||||
/*
|
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* handle unaligned start bytes |
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*/ |
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if ((l = addr - wp) != 0) { |
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data = 0; |
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for (i = 0, cp = wp; i < l; ++i, ++cp) { |
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data = (data << 8) | (*(uchar *) cp); |
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} |
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for (; i < port_width && cnt > 0; ++i) { |
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data = (data << 8) | *src++; |
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--cnt; |
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++cp; |
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} |
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for (; cnt == 0 && i < port_width; ++i, ++cp) { |
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data = (data << 8) | (*(uchar *) cp); |
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} |
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|
||||
if ((rc = write_data (info, wp, data)) != 0) { |
||||
return (rc); |
||||
} |
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wp += port_width; |
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} |
||||
|
||||
/*
|
||||
* handle word aligned part |
||||
*/ |
||||
while (cnt >= port_width) { |
||||
data = 0; |
||||
for (i = 0; i < port_width; ++i) { |
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data = (data << 8) | *src++; |
||||
} |
||||
if ((rc = write_data (info, wp, data)) != 0) { |
||||
return (rc); |
||||
} |
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wp += port_width; |
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cnt -= port_width; |
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} |
||||
|
||||
if (cnt == 0) { |
||||
return (0); |
||||
} |
||||
|
||||
/*
|
||||
* handle unaligned tail bytes |
||||
*/ |
||||
data = 0; |
||||
for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { |
||||
data = (data << 8) | *src++; |
||||
--cnt; |
||||
} |
||||
for (; i < port_width; ++i, ++cp) { |
||||
data = (data << 8) | (*(uchar *) cp); |
||||
} |
||||
|
||||
return (write_data (info, wp, data)); |
||||
} |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Write a word or halfword to Flash, returns: |
||||
* 0 - OK |
||||
* 1 - write timeout |
||||
* 2 - Flash not erased |
||||
*/ |
||||
static int write_data (flash_info_t * info, ulong dest, FPW data) |
||||
{ |
||||
FPWV *addr = (FPWV *) dest; |
||||
ulong status; |
||||
ulong start; |
||||
int flag; |
||||
|
||||
/* Check if Flash is (sufficiently) erased */ |
||||
if ((*addr & data) != data) { |
||||
printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr); |
||||
return (2); |
||||
} |
||||
/* Disable interrupts which might cause a timeout here */ |
||||
flag = disable_interrupts (); |
||||
|
||||
*addr = (FPW) 0x00400040; /* write setup */ |
||||
*addr = data; |
||||
|
||||
/* re-enable interrupts if necessary */ |
||||
if (flag) |
||||
enable_interrupts (); |
||||
|
||||
start = get_timer (0); |
||||
|
||||
while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { |
||||
if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { |
||||
*addr = (FPW) 0x00FF00FF; /* restore read mode */ |
||||
return (1); |
||||
} |
||||
} |
||||
|
||||
*addr = (FPW) 0x00FF00FF; /* restore read mode */ |
||||
|
||||
return (0); |
||||
} |
@ -0,0 +1,207 @@ |
||||
/*
|
||||
* (C) Copyright 2001 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* 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 |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <config.h> |
||||
#include <mpc8xx.h> |
||||
|
||||
/*
|
||||
* Memory Controller Using |
||||
* |
||||
* CS0 - Flash memory (0x40000000) |
||||
* CS3 - SDRAM (0x00000000} |
||||
*/ |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
#define _not_used_ 0xffffffff |
||||
|
||||
const uint sdram_table[] = { |
||||
/* single read. (offset 0 in upm RAM) */ |
||||
0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, |
||||
0x1ff77c47, |
||||
|
||||
/* MRS initialization (offset 5) */ |
||||
|
||||
0x1ff77c34, 0xefeabc34, 0x1fb57c35, |
||||
|
||||
/* burst read. (offset 8 in upm RAM) */ |
||||
0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, |
||||
0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47, |
||||
_not_used_, _not_used_, _not_used_, _not_used_, |
||||
_not_used_, _not_used_, _not_used_, _not_used_, |
||||
|
||||
/* single write. (offset 18 in upm RAM) */ |
||||
0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, |
||||
_not_used_, _not_used_, _not_used_, _not_used_, |
||||
|
||||
/* burst write. (offset 20 in upm RAM) */ |
||||
0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, |
||||
0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _not_used_, |
||||
_not_used_, _not_used_, _not_used_, _not_used_, |
||||
_not_used_, _not_used_, _not_used_, _not_used_, |
||||
|
||||
/* refresh. (offset 30 in upm RAM) */ |
||||
0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, |
||||
0xfffffc84, 0xfffffc07, _not_used_, _not_used_, |
||||
_not_used_, _not_used_, _not_used_, _not_used_, |
||||
|
||||
/* exception. (offset 3c in upm RAM) */ |
||||
0x7ffffc07, _not_used_, _not_used_, _not_used_ |
||||
}; |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
/*
|
||||
* Check Board Identity: |
||||
*/ |
||||
|
||||
int checkboard (void) |
||||
{ |
||||
puts ("Board: NC650\n"); |
||||
return 0; |
||||
} |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
static long int dram_size (long int, long int *, long int); |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
long int initdram (int board_type) |
||||
{ |
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR; |
||||
volatile memctl8xx_t *memctl = &immap->im_memctl; |
||||
long int size8, size9; |
||||
long int size_b0 = 0; |
||||
unsigned long reg; |
||||
|
||||
upmconfig (UPMA, (uint *) sdram_table, |
||||
sizeof (sdram_table) / sizeof (uint)); |
||||
|
||||
/*
|
||||
* Preliminary prescaler for refresh (depends on number of |
||||
* banks): This value is selected for four cycles every 62.4 us |
||||
* with two SDRAM banks or four cycles every 31.2 us with one |
||||
* bank. It will be adjusted after memory sizing. |
||||
*/ |
||||
memctl->memc_mptpr = CFG_MPTPR_2BK_8K; |
||||
|
||||
memctl->memc_mar = 0x00000088; |
||||
|
||||
/*
|
||||
* Map controller bank 1 to the SDRAM bank at |
||||
* preliminary address - these have to be modified after the |
||||
* SDRAM size has been determined. |
||||
*/ |
||||
memctl->memc_or3 = CFG_OR3_PRELIM; |
||||
memctl->memc_br3 = CFG_BR3_PRELIM; |
||||
|
||||
memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */ |
||||
|
||||
udelay (200); |
||||
|
||||
/* perform SDRAM initializsation sequence */ |
||||
|
||||
memctl->memc_mcr = 0x80006105; /* SDRAM bank 0 */ |
||||
udelay (200); |
||||
memctl->memc_mcr = 0x80006230; /* SDRAM bank 0 - execute twice */ |
||||
udelay (200); |
||||
|
||||
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ |
||||
|
||||
udelay (1000); |
||||
|
||||
/*
|
||||
* Check Bank 0 Memory Size for re-configuration |
||||
* |
||||
* try 8 column mode |
||||
*/ |
||||
size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE3_PRELIM, |
||||
SDRAM_MAX_SIZE); |
||||
|
||||
udelay (1000); |
||||
|
||||
/*
|
||||
* try 9 column mode |
||||
*/ |
||||
size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE3_PRELIM, |
||||
SDRAM_MAX_SIZE); |
||||
|
||||
udelay (1000); |
||||
|
||||
if (size8 < size9) { |
||||
size_b0 = size9; |
||||
} else { |
||||
size_b0 = size8; |
||||
memctl->memc_mamr = CFG_MAMR_8COL; |
||||
udelay (500); |
||||
} |
||||
|
||||
/*
|
||||
* Adjust refresh rate depending on SDRAM type, both banks. |
||||
* For types > 128 MBit leave it at the current (fast) rate |
||||
*/ |
||||
if ((size_b0 < 0x02000000)) { |
||||
/* reduce to 15.6 us (62.4 us / quad) */ |
||||
memctl->memc_mptpr = CFG_MPTPR_2BK_4K; |
||||
udelay (1000); |
||||
} |
||||
|
||||
/*
|
||||
* Final mapping |
||||
*/ |
||||
|
||||
memctl->memc_or3 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; |
||||
memctl->memc_br3 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; |
||||
|
||||
/* adjust refresh rate depending on SDRAM type, one bank */ |
||||
reg = memctl->memc_mptpr; |
||||
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */ |
||||
memctl->memc_mptpr = reg; |
||||
|
||||
udelay (10000); |
||||
|
||||
return (size_b0); |
||||
} |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
/*
|
||||
* Check memory range for valid RAM. A simple memory test determines |
||||
* the actually available RAM size between addresses `base' and |
||||
* `base + maxsize'. Some (not all) hardware errors are detected: |
||||
* - short between address lines |
||||
* - short between data lines |
||||
*/ |
||||
|
||||
static long int dram_size (long int mamr_value, long int *base, |
||||
long int maxsize) |
||||
{ |
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR; |
||||
volatile memctl8xx_t *memctl = &immap->im_memctl; |
||||
|
||||
memctl->memc_mamr = mamr_value; |
||||
|
||||
return (get_ram_size(base, maxsize)); |
||||
} |
@ -0,0 +1,126 @@ |
||||
/* |
||||
* (C) Copyright 2001 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* 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 |
||||
*/ |
||||
|
||||
OUTPUT_ARCH(powerpc) |
||||
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); |
||||
/* Do we need any of these for elf? |
||||
__DYNAMIC = 0; */ |
||||
SECTIONS |
||||
{ |
||||
/* Read-only sections, merged into text segment: */ |
||||
. = + SIZEOF_HEADERS; |
||||
.interp : { *(.interp) } |
||||
.hash : { *(.hash) } |
||||
.dynsym : { *(.dynsym) } |
||||
.dynstr : { *(.dynstr) } |
||||
.rel.text : { *(.rel.text) } |
||||
.rela.text : { *(.rela.text) } |
||||
.rel.data : { *(.rel.data) } |
||||
.rela.data : { *(.rela.data) } |
||||
.rel.rodata : { *(.rel.rodata) } |
||||
.rela.rodata : { *(.rela.rodata) } |
||||
.rel.got : { *(.rel.got) } |
||||
.rela.got : { *(.rela.got) } |
||||
.rel.ctors : { *(.rel.ctors) } |
||||
.rela.ctors : { *(.rela.ctors) } |
||||
.rel.dtors : { *(.rel.dtors) } |
||||
.rela.dtors : { *(.rela.dtors) } |
||||
.rel.bss : { *(.rel.bss) } |
||||
.rela.bss : { *(.rela.bss) } |
||||
.rel.plt : { *(.rel.plt) } |
||||
.rela.plt : { *(.rela.plt) } |
||||
.init : { *(.init) } |
||||
.plt : { *(.plt) } |
||||
.text : |
||||
{ |
||||
cpu/mpc8xx/start.o (.text) |
||||
*(.text) |
||||
*(.fixup) |
||||
*(.got1) |
||||
} |
||||
_etext = .; |
||||
PROVIDE (etext = .); |
||||
.rodata : |
||||
{ |
||||
*(.rodata) |
||||
*(.rodata1) |
||||
*(.rodata.str1.4) |
||||
} |
||||
.fini : { *(.fini) } =0 |
||||
.ctors : { *(.ctors) } |
||||
.dtors : { *(.dtors) } |
||||
|
||||
/* Read-write section, merged into data segment: */ |
||||
. = (. + 0x0FFF) & 0xFFFFF000; |
||||
_erotext = .; |
||||
PROVIDE (erotext = .); |
||||
.reloc : |
||||
{ |
||||
*(.got) |
||||
_GOT2_TABLE_ = .; |
||||
*(.got2) |
||||
_FIXUP_TABLE_ = .; |
||||
*(.fixup) |
||||
} |
||||
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; |
||||
__fixup_entries = (. - _FIXUP_TABLE_)>>2; |
||||
|
||||
.data : |
||||
{ |
||||
*(.data) |
||||
*(.data1) |
||||
*(.sdata) |
||||
*(.sdata2) |
||||
*(.dynamic) |
||||
CONSTRUCTORS |
||||
} |
||||
_edata = .; |
||||
PROVIDE (edata = .); |
||||
|
||||
__u_boot_cmd_start = .; |
||||
.u_boot_cmd : { *(.u_boot_cmd) } |
||||
__u_boot_cmd_end = .; |
||||
|
||||
|
||||
__start___ex_table = .; |
||||
__ex_table : { *(__ex_table) } |
||||
__stop___ex_table = .; |
||||
|
||||
. = ALIGN(256); |
||||
__init_begin = .; |
||||
.text.init : { *(.text.init) } |
||||
.data.init : { *(.data.init) } |
||||
. = ALIGN(256); |
||||
__init_end = .; |
||||
|
||||
__bss_start = .; |
||||
.bss : |
||||
{ |
||||
*(.sbss) *(.scommon) |
||||
*(.dynbss) |
||||
*(.bss) |
||||
*(COMMON) |
||||
} |
||||
_end = . ; |
||||
PROVIDE (end = .); |
||||
} |
@ -0,0 +1,125 @@ |
||||
/* |
||||
* (C) Copyright 2001 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* 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 |
||||
*/ |
||||
|
||||
OUTPUT_ARCH(powerpc) |
||||
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); |
||||
/* Do we need any of these for elf? |
||||
__DYNAMIC = 0; */ |
||||
SECTIONS |
||||
{ |
||||
/* Read-only sections, merged into text segment: */ |
||||
. = + SIZEOF_HEADERS; |
||||
.interp : { *(.interp) } |
||||
.hash : { *(.hash) } |
||||
.dynsym : { *(.dynsym) } |
||||
.dynstr : { *(.dynstr) } |
||||
.rel.text : { *(.rel.text) } |
||||
.rela.text : { *(.rela.text) } |
||||
.rel.data : { *(.rel.data) } |
||||
.rela.data : { *(.rela.data) } |
||||
.rel.rodata : { *(.rel.rodata) } |
||||
.rela.rodata : { *(.rela.rodata) } |
||||
.rel.got : { *(.rel.got) } |
||||
.rela.got : { *(.rela.got) } |
||||
.rel.ctors : { *(.rel.ctors) } |
||||
.rela.ctors : { *(.rela.ctors) } |
||||
.rel.dtors : { *(.rel.dtors) } |
||||
.rela.dtors : { *(.rela.dtors) } |
||||
.rel.bss : { *(.rel.bss) } |
||||
.rela.bss : { *(.rela.bss) } |
||||
.rel.plt : { *(.rel.plt) } |
||||
.rela.plt : { *(.rela.plt) } |
||||
.init : { *(.init) } |
||||
.plt : { *(.plt) } |
||||
.text : |
||||
{ |
||||
cpu/mpc8xx/start.o (.text) |
||||
*(.text) |
||||
*(.fixup) |
||||
*(.got1) |
||||
} |
||||
_etext = .; |
||||
PROVIDE (etext = .); |
||||
.rodata : |
||||
{ |
||||
*(.rodata) |
||||
*(.rodata1) |
||||
} |
||||
.fini : { *(.fini) } =0 |
||||
.ctors : { *(.ctors) } |
||||
.dtors : { *(.dtors) } |
||||
|
||||
/* Read-write section, merged into data segment: */ |
||||
. = (. + 0x0FFF) & 0xFFFFF000; |
||||
_erotext = .; |
||||
PROVIDE (erotext = .); |
||||
.reloc : |
||||
{ |
||||
*(.got) |
||||
_GOT2_TABLE_ = .; |
||||
*(.got2) |
||||
_FIXUP_TABLE_ = .; |
||||
*(.fixup) |
||||
} |
||||
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; |
||||
__fixup_entries = (. - _FIXUP_TABLE_)>>2; |
||||
|
||||
.data : |
||||
{ |
||||
*(.data) |
||||
*(.data1) |
||||
*(.sdata) |
||||
*(.sdata2) |
||||
*(.dynamic) |
||||
CONSTRUCTORS |
||||
} |
||||
_edata = .; |
||||
PROVIDE (edata = .); |
||||
|
||||
__u_boot_cmd_start = .; |
||||
.u_boot_cmd : { *(.u_boot_cmd) } |
||||
__u_boot_cmd_end = .; |
||||
|
||||
|
||||
__start___ex_table = .; |
||||
__ex_table : { *(__ex_table) } |
||||
__stop___ex_table = .; |
||||
|
||||
. = ALIGN(4096); |
||||
__init_begin = .; |
||||
.text.init : { *(.text.init) } |
||||
.data.init : { *(.data.init) } |
||||
. = ALIGN(4096); |
||||
__init_end = .; |
||||
|
||||
__bss_start = .; |
||||
.bss : |
||||
{ |
||||
*(.sbss) *(.scommon) |
||||
*(.dynbss) |
||||
*(.bss) |
||||
*(COMMON) |
||||
} |
||||
_end = . ; |
||||
PROVIDE (end = .); |
||||
} |
@ -0,0 +1,347 @@ |
||||
/*
|
||||
* (C) Copyright 2004 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* 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 |
||||
*/ |
||||
|
||||
/*
|
||||
* board/config.h - configuration options, board specific |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
#define CONFIG_MPC852T 1 |
||||
#define CONFIG_NC650 1 |
||||
|
||||
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
||||
#undef CONFIG_8xx_CONS_SMC2 |
||||
#undef CONFIG_8xx_CONS_NONE |
||||
#define CONFIG_BAUDRATE 115200 |
||||
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
||||
|
||||
/*
|
||||
* 10 MHz - PLL input clock |
||||
*/ |
||||
#define CFG_866_OSCCLK 10000000 |
||||
|
||||
/*
|
||||
* 50 MHz - default CPU clock |
||||
*/ |
||||
#define CFG_866_CPUCLK_DEFAULT 50000000 |
||||
|
||||
/*
|
||||
* 15 MHz - CPU minimum clock |
||||
*/ |
||||
#define CFG_866_CPUCLK_MIN 15000000 |
||||
|
||||
/*
|
||||
* 133 MHz - CPU maximum clock |
||||
*/ |
||||
#define CFG_866_CPUCLK_MAX 133000000 |
||||
|
||||
#define CFG_MEASURE_CPUCLK |
||||
#define CFG_8XX_XIN CFG_866_OSCCLK |
||||
|
||||
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
||||
|
||||
#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" |
||||
|
||||
#undef CONFIG_BOOTARGS |
||||
#define CONFIG_BOOTCOMMAND \ |
||||
"bootp;" \
|
||||
"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
|
||||
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
|
||||
"bootm" |
||||
|
||||
#undef CONFIG_WATCHDOG /* watchdog disabled */ |
||||
|
||||
#undef CONFIG_STATUS_LED /* Status LED disabled */ |
||||
|
||||
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) |
||||
|
||||
#define CONFIG_FEC_ENET 1 /* use FEC ethernet */ |
||||
#define FEC_ENET |
||||
#define CONFIG_MII |
||||
#define CFG_DISCOVER_PHY 1 |
||||
|
||||
|
||||
/* enable I2C and select the hardware/software driver */ |
||||
#undef CONFIG_HARD_I2C /* I2C with hardware support */ |
||||
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ |
||||
#define CFG_I2C_SPEED 100000 /* 100 kHz */ |
||||
#define CFG_I2C_SLAVE 0x7f |
||||
|
||||
/*
|
||||
* Software (bit-bang) I2C driver configuration |
||||
*/ |
||||
#define SCL 0x10000000 /* PA 3 */ |
||||
#define SDA 0x40000000 /* PA 1 */ |
||||
|
||||
#define PAR immr->im_ioport.iop_papar |
||||
#define DIR immr->im_ioport.iop_padir |
||||
#define DAT immr->im_ioport.iop_padat |
||||
|
||||
#define I2C_INIT {PAR &= ~(SCL | SDA); DIR |= SCL;} |
||||
#define I2C_ACTIVE (DIR |= SDA) |
||||
#define I2C_TRISTATE (DIR &= ~SDA) |
||||
#define I2C_READ ((DAT & SDA) != 0) |
||||
#define I2C_SDA(bit) if (bit) DAT |= SDA; \ |
||||
else DAT &= ~SDA |
||||
#define I2C_SCL(bit) if (bit) DAT |= SCL; \ |
||||
else DAT &= ~SCL |
||||
#define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */ |
||||
|
||||
#define CFG_I2C_EEPROM_ADDR 0x50 |
||||
#define CFG_I2C_EEPROM_ADDR_LEN 1 |
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16 bytes page write mode */ |
||||
|
||||
#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ |
||||
|
||||
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
||||
CFG_CMD_ASKENV | \
|
||||
CFG_CMD_DHCP | \
|
||||
CFG_CMD_EEPROM | \
|
||||
CFG_CMD_I2C | \
|
||||
CFG_CMD_DATE ) |
||||
|
||||
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
||||
#include <cmd_confdefs.h> |
||||
|
||||
/*
|
||||
* Miscellaneous configurable options |
||||
*/ |
||||
#define CFG_LONGHELP /* undef to save memory */ |
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
||||
#else |
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
||||
#endif |
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
||||
#define CFG_MAXARGS 16 /* max number of command args */ |
||||
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
||||
|
||||
#define CFG_MEMTEST_START 0x0100000 /* memtest works on */ |
||||
#define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */ |
||||
|
||||
#define CFG_LOAD_ADDR 0x00100000 |
||||
|
||||
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
||||
|
||||
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
||||
|
||||
/*
|
||||
* Low Level Configuration Settings |
||||
* (address mappings, register initial values, etc.) |
||||
* You should know what you are doing if you make changes here. |
||||
*/ |
||||
/*-----------------------------------------------------------------------
|
||||
* Internal Memory Mapped Register |
||||
*/ |
||||
#define CFG_IMMR 0xF0000000 |
||||
#define CFG_IMMR_SIZE ((uint)(64 * 1024)) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Definitions for initial stack pointer and data area (in DPRAM) |
||||
*/ |
||||
#define CFG_INIT_RAM_ADDR CFG_IMMR |
||||
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
||||
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ |
||||
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
||||
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Start addresses for the final memory configuration |
||||
* (Set up by the startup code) |
||||
* Please note that CFG_SDRAM_BASE _must_ start at 0 |
||||
*/ |
||||
#define CFG_SDRAM_BASE 0x00000000 |
||||
#define CFG_FLASH_BASE 0x40000000 |
||||
|
||||
#define CFG_RESET_ADDRESS 0xFFF00100 |
||||
|
||||
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
||||
#define CFG_MONITOR_BASE TEXT_BASE |
||||
#define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */ |
||||
|
||||
/*
|
||||
* For booting Linux, the board info and command line data |
||||
* have to be in the first 8 MB of memory, since this is |
||||
* the maximum mapped by the Linux kernel during initialization. |
||||
*/ |
||||
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH organization |
||||
*/ |
||||
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
||||
#define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */ |
||||
|
||||
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
||||
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
||||
|
||||
|
||||
#define CFG_ENV_IS_IN_FLASH 1 |
||||
#define CFG_ENV_OFFSET 0x00740000 |
||||
|
||||
#define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */ |
||||
#define CFG_ENV_SIZE 0x4000 /* Used Size of Environment Sector */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Cache Configuration |
||||
*/ |
||||
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SYPCR - System Protection Control 11-9 |
||||
* SYPCR can only be written once after reset! |
||||
*----------------------------------------------------------------------- |
||||
* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
||||
*/ |
||||
#if defined(CONFIG_WATCHDOG) |
||||
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
||||
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
||||
#else |
||||
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SIUMCR - SIU Module Configuration 11-6 |
||||
*----------------------------------------------------------------------- |
||||
*/ |
||||
#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* TBSCR - Time Base Status and Control 11-26 |
||||
*----------------------------------------------------------------------- |
||||
* Clear Reference Interrupt Status, Timebase freezing enabled |
||||
*/ |
||||
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PISCR - Periodic Interrupt Status and Control 11-31 |
||||
*----------------------------------------------------------------------- |
||||
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
||||
*/ |
||||
#define CFG_PISCR (PISCR_PS | PISCR_PITF) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SCCR - System Clock and reset Control Register 15-27 |
||||
*----------------------------------------------------------------------- |
||||
* Set clock output, timebase and RTC source and divider, |
||||
* power management and some other internal clocks |
||||
*/ |
||||
#define SCCR_MASK SCCR_EBDF11 |
||||
#define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | \ |
||||
SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \
|
||||
SCCR_DFLCD000 | SCCR_DFALCD00) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* |
||||
*----------------------------------------------------------------------- |
||||
* |
||||
*/ |
||||
#define CFG_DER 0 |
||||
|
||||
/*
|
||||
* Init Memory Controller: |
||||
* |
||||
* BR0 and OR0 (FLASH) |
||||
*/ |
||||
|
||||
#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
||||
|
||||
#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
||||
#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ |
||||
|
||||
/* FLASH timing: Default value of OR0 after reset */ |
||||
#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \ |
||||
OR_SCY_15_CLK | OR_TRLX) |
||||
|
||||
#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) |
||||
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) |
||||
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V) |
||||
|
||||
/*
|
||||
* BR3 and OR3 (SDRAM) |
||||
*/ |
||||
#define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */ |
||||
#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ |
||||
|
||||
/*
|
||||
* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) |
||||
*/ |
||||
#define CFG_OR_TIMING_SDRAM 0x00000A00 |
||||
|
||||
#define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM) |
||||
#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V) |
||||
|
||||
/*
|
||||
* 4096 Rows from SDRAM example configuration |
||||
* 1000 factor s -> ms |
||||
* 64 PTP (pre-divider from MPTPR) from SDRAM example configuration |
||||
* 4 Number of refresh cycles per period |
||||
* 64 Refresh cycle in ms per number of rows |
||||
*/ |
||||
#define CFG_866_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64)) |
||||
|
||||
/*
|
||||
* Memory Periodic Timer Prescaler |
||||
*/ |
||||
|
||||
/* periodic timer for refresh */ |
||||
#define CFG_MAMR_PTA 39 |
||||
|
||||
/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ |
||||
#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
||||
#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ |
||||
|
||||
/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ |
||||
#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
||||
#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ |
||||
|
||||
/*
|
||||
* MAMR settings for SDRAM |
||||
*/ |
||||
|
||||
#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
||||
MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
|
||||
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
||||
#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
||||
MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
|
||||
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
||||
|
||||
/*
|
||||
* Internal Definitions |
||||
* |
||||
* Boot Flags |
||||
*/ |
||||
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
||||
#define BOOTFLAG_WARM 0x02 /* Software reboot */ |
||||
|
||||
|
||||
#endif /* __CONFIG_H */ |
Loading…
Reference in new issue