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69624195a3
@ -1,51 +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).o
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COBJS := mx1fs2.o flash.o
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SOBJS := lowlevel_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): $(obj).depend $(OBJS) $(SOBJS) |
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$(call cmd_link_o_target, $(OBJS) $(SOBJS))
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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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@ -1,10 +0,0 @@ |
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#
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# This config file is used for compilation of IMX sources
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#
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# You might change location of U-Boot in memory by setting right CONFIG_SYS_TEXT_BASE.
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# This allows for example having one copy located at the end of ram and stored
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# in flash device and later on while developing use other location to test
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# the code in RAM device only.
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#
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CONFIG_SYS_TEXT_BASE = 0x08f00000
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@ -1,849 +0,0 @@ |
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/*
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* (C) 2000-2004 Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* (C) 2003 August Hoeraendl, Logotronic GmbH |
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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 CONFIG_FLASH_16BIT |
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#include <common.h> |
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#define FLASH_BANK_SIZE MX1FS2_FLASH_BANK_SIZE |
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#define MAIN_SECT_SIZE MX1FS2_FLASH_SECT_SIZE |
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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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* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it |
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* has nothing to do with the flash chip being 8-bit or 16-bit. |
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*/ |
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#ifdef CONFIG_FLASH_16BIT |
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typedef unsigned short FLASH_PORT_WIDTH; |
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typedef volatile unsigned short FLASH_PORT_WIDTHV; |
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#define FLASH_ID_MASK 0xFFFF |
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#else |
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typedef unsigned long FLASH_PORT_WIDTH; |
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typedef volatile unsigned long FLASH_PORT_WIDTHV; |
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#define FLASH_ID_MASK 0xFFFFFFFF |
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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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#define ORMASK(size) ((-size) & OR_AM_MSK) |
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/*-----------------------------------------------------------------------
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* Functions |
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*/ |
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#if 0 |
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static ulong flash_get_size(FPWV * addr, flash_info_t * info); |
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static void flash_get_offsets(ulong base, flash_info_t * info); |
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#endif |
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static void flash_reset(flash_info_t * info); |
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static int write_word_intel(flash_info_t * info, FPWV * dest, FPW data); |
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static int write_word_amd(flash_info_t * info, FPWV * dest, FPW data); |
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#define write_word(in, de, da) write_word_amd(in, de, da) |
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#ifdef CONFIG_SYS_FLASH_PROTECTION |
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static void flash_sync_real_protect(flash_info_t * info); |
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#endif |
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/*-----------------------------------------------------------------------
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* flash_init() |
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* |
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* sets up flash_info and returns size of FLASH (bytes) |
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*/ |
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ulong |
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flash_init(void) |
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{ |
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int i, j; |
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ulong size = 0; |
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for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { |
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ulong flashbase = 0; |
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flash_info[i].flash_id = |
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(FLASH_MAN_AMD & FLASH_VENDMASK) | |
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(FLASH_AM640U & FLASH_TYPEMASK); |
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flash_info[i].size = FLASH_BANK_SIZE; |
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flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; |
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memset(flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); |
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switch (i) { |
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case 0: |
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flashbase = MX1FS2_FLASH_BASE; |
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break; |
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default: |
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panic("configured too many flash banks!\n"); |
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break; |
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} |
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for (j = 0; j < flash_info[i].sector_count; j++) { |
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flash_info[i].start[j] = flashbase + j * MAIN_SECT_SIZE; |
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} |
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size += flash_info[i].size; |
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} |
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/* Protect monitor and environment sectors */ |
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flash_protect(FLAG_PROTECT_SET, |
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CONFIG_SYS_FLASH_BASE, |
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CONFIG_SYS_FLASH_BASE + _bss_start - _armboot_start, |
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&flash_info[0]); |
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flash_protect(FLAG_PROTECT_SET, |
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CONFIG_ENV_ADDR, |
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CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]); |
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return size; |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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static void |
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flash_reset(flash_info_t * info) |
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{ |
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FPWV *base = (FPWV *) (info->start[0]); |
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/* Put FLASH back in read mode */ |
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) |
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*base = (FPW) 0x00FF00FF; /* Intel Read Mode */ |
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else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) |
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*base = (FPW) 0x00F000F0; /* AMD Read Mode */ |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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#if 0 |
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static void |
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flash_get_offsets(ulong base, flash_info_t * info) |
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{ |
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int i; |
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/* set up sector start address table */ |
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL |
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&& (info->flash_id & FLASH_BTYPE)) { |
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int bootsect_size; /* number of bytes/boot sector */ |
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int sect_size; /* number of bytes/regular sector */ |
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bootsect_size = 0x00002000 * (sizeof (FPW) / 2); |
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sect_size = 0x00010000 * (sizeof (FPW) / 2); |
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/* set sector offsets for bottom boot block type */ |
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for (i = 0; i < 8; ++i) { |
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info->start[i] = base + (i * bootsect_size); |
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} |
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for (i = 8; i < info->sector_count; i++) { |
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info->start[i] = base + ((i - 7) * sect_size); |
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} |
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} else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD |
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&& (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) { |
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int sect_size; /* number of bytes/sector */ |
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sect_size = 0x00010000 * (sizeof (FPW) / 2); |
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/* set up sector start address table (uniform sector type) */ |
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for (i = 0; i < info->sector_count; i++) |
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info->start[i] = base + (i * sect_size); |
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} |
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} |
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#endif /* 0 */ |
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/*-----------------------------------------------------------------------
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*/ |
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void |
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flash_print_info(flash_info_t * info) |
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{ |
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int i; |
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uchar *boottype; |
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uchar *bootletter; |
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char *fmt; |
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uchar botbootletter[] = "B"; |
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uchar topbootletter[] = "T"; |
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uchar botboottype[] = "bottom boot sector"; |
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uchar topboottype[] = "top boot sector"; |
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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_AMD: |
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printf("AMD "); |
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break; |
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case FLASH_MAN_BM: |
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printf("BRIGHT MICRO "); |
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break; |
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case FLASH_MAN_FUJ: |
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printf("FUJITSU "); |
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break; |
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case FLASH_MAN_SST: |
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printf("SST "); |
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break; |
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case FLASH_MAN_STM: |
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printf("STM "); |
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break; |
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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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/* check for top or bottom boot, if it applies */ |
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if (info->flash_id & FLASH_BTYPE) { |
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boottype = botboottype; |
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bootletter = botbootletter; |
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} else { |
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boottype = topboottype; |
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bootletter = topbootletter; |
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} |
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switch (info->flash_id & FLASH_TYPEMASK) { |
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case FLASH_AM640U: |
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fmt = "29LV641D (64 Mbit, uniform sectors)\n"; |
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break; |
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case FLASH_28F800C3B: |
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case FLASH_28F800C3T: |
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fmt = "28F800C3%s (8 Mbit, %s)\n"; |
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break; |
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case FLASH_INTEL800B: |
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case FLASH_INTEL800T: |
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fmt = "28F800B3%s (8 Mbit, %s)\n"; |
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break; |
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case FLASH_28F160C3B: |
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case FLASH_28F160C3T: |
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fmt = "28F160C3%s (16 Mbit, %s)\n"; |
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break; |
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case FLASH_INTEL160B: |
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case FLASH_INTEL160T: |
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fmt = "28F160B3%s (16 Mbit, %s)\n"; |
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break; |
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case FLASH_28F320C3B: |
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case FLASH_28F320C3T: |
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fmt = "28F320C3%s (32 Mbit, %s)\n"; |
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break; |
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case FLASH_INTEL320B: |
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case FLASH_INTEL320T: |
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fmt = "28F320B3%s (32 Mbit, %s)\n"; |
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break; |
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case FLASH_28F640C3B: |
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case FLASH_28F640C3T: |
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fmt = "28F640C3%s (64 Mbit, %s)\n"; |
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break; |
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case FLASH_INTEL640B: |
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case FLASH_INTEL640T: |
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fmt = "28F640B3%s (64 Mbit, %s)\n"; |
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break; |
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default: |
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fmt = "Unknown Chip Type\n"; |
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break; |
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} |
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printf(fmt, bootletter, boottype); |
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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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} |
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printf(" %08lX%s", 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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} |
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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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#if 0 |
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ulong |
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flash_get_size(FPWV * addr, flash_info_t * info) |
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{ |
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/* Write auto select command: read Manufacturer ID */ |
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/* Write auto select command sequence and test FLASH answer */ |
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addr[0x0555] = (FPW) 0x00AA00AA; /* for AMD, Intel ignores this */ |
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addr[0x02AA] = (FPW) 0x00550055; /* for AMD, Intel ignores this */ |
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addr[0x0555] = (FPW) 0x00900090; /* selects Intel or AMD */ |
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/* The manufacturer codes are only 1 byte, so just use 1 byte.
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* This works for any bus width and any FLASH device width. |
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*/ |
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switch (addr[0] & 0xff) { |
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case (uchar) AMD_MANUFACT: |
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info->flash_id = FLASH_MAN_AMD; |
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break; |
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case (uchar) 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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break; |
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} |
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/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */ |
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if (info->flash_id != FLASH_UNKNOWN) |
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switch (addr[1]) { |
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case (FPW) AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */ |
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info->flash_id += FLASH_AM640U; |
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info->sector_count = 128; |
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info->size = 0x00800000 * (sizeof (FPW) / 2); |
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break; /* => 8 or 16 MB */ |
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case (FPW) INTEL_ID_28F800C3B: |
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info->flash_id += FLASH_28F800C3B; |
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info->sector_count = 23; |
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info->size = 0x00100000 * (sizeof (FPW) / 2); |
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break; /* => 1 or 2 MB */ |
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case (FPW) INTEL_ID_28F800B3B: |
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info->flash_id += FLASH_INTEL800B; |
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info->sector_count = 23; |
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info->size = 0x00100000 * (sizeof (FPW) / 2); |
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break; /* => 1 or 2 MB */ |
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case (FPW) INTEL_ID_28F160C3B: |
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info->flash_id += FLASH_28F160C3B; |
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info->sector_count = 39; |
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info->size = 0x00200000 * (sizeof (FPW) / 2); |
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break; /* => 2 or 4 MB */ |
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|
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case (FPW) INTEL_ID_28F160B3B: |
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info->flash_id += FLASH_INTEL160B; |
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info->sector_count = 39; |
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info->size = 0x00200000 * (sizeof (FPW) / 2); |
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break; /* => 2 or 4 MB */ |
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|
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case (FPW) INTEL_ID_28F320C3B: |
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info->flash_id += FLASH_28F320C3B; |
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info->sector_count = 71; |
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info->size = 0x00400000 * (sizeof (FPW) / 2); |
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break; /* => 4 or 8 MB */ |
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|
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case (FPW) INTEL_ID_28F320B3B: |
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info->flash_id += FLASH_INTEL320B; |
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info->sector_count = 71; |
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info->size = 0x00400000 * (sizeof (FPW) / 2); |
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break; /* => 4 or 8 MB */ |
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|
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case (FPW) INTEL_ID_28F640C3B: |
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info->flash_id += FLASH_28F640C3B; |
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info->sector_count = 135; |
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info->size = 0x00800000 * (sizeof (FPW) / 2); |
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break; /* => 8 or 16 MB */ |
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|
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case (FPW) INTEL_ID_28F640B3B: |
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info->flash_id += FLASH_INTEL640B; |
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info->sector_count = 135; |
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info->size = 0x00800000 * (sizeof (FPW) / 2); |
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break; /* => 8 or 16 MB */ |
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|
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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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return (0); /* => no or unknown flash */ |
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} |
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|
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flash_get_offsets((ulong) addr, info); |
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|
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/* Put FLASH back in read mode */ |
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flash_reset(info); |
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return (info->size); |
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} |
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#endif /* 0 */ |
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|
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#ifdef CONFIG_SYS_FLASH_PROTECTION |
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/*-----------------------------------------------------------------------
|
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*/ |
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|
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static void |
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flash_sync_real_protect(flash_info_t * info) |
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{ |
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FPWV *addr = (FPWV *) (info->start[0]); |
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FPWV *sect; |
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int i; |
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|
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switch (info->flash_id & FLASH_TYPEMASK) { |
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case FLASH_28F800C3B: |
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case FLASH_28F800C3T: |
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case FLASH_28F160C3B: |
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case FLASH_28F160C3T: |
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case FLASH_28F320C3B: |
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case FLASH_28F320C3T: |
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case FLASH_28F640C3B: |
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case FLASH_28F640C3T: |
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/* check for protected sectors */ |
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*addr = (FPW) 0x00900090; |
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for (i = 0; i < info->sector_count; i++) { |
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/* read sector protection at sector address, (A7 .. A0) = 0x02.
|
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* D0 = 1 for each device if protected. |
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* If at least one device is protected the sector is marked |
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* protected, but mixed protected and unprotected devices |
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* within a sector should never happen. |
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*/ |
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sect = (FPWV *) (info->start[i]); |
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info->protect[i] = |
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(sect[2] & (FPW) (0x00010001)) ? 1 : 0; |
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} |
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|
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/* Put FLASH back in read mode */ |
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flash_reset(info); |
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break; |
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|
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case FLASH_AM640U: |
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default: |
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/* no hardware protect that we support */ |
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break; |
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} |
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} |
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#endif |
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|
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/*-----------------------------------------------------------------------
|
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*/ |
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|
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int |
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flash_erase(flash_info_t * info, int s_first, int s_last) |
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{ |
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FPWV *addr; |
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int flag, prot, sect; |
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int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL; |
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ulong 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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switch (info->flash_id & FLASH_TYPEMASK) { |
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case FLASH_INTEL800B: |
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case FLASH_INTEL160B: |
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case FLASH_INTEL320B: |
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case FLASH_INTEL640B: |
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case FLASH_28F800C3B: |
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case FLASH_28F160C3B: |
||||
case FLASH_28F320C3B: |
||||
case FLASH_28F640C3B: |
||||
case FLASH_AM640U: |
||||
break; |
||||
case FLASH_UNKNOWN: |
||||
default: |
||||
printf("Can't erase unknown flash type %08lx - aborted\n", |
||||
info->flash_id); |
||||
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 && rcode == 0; sect++) { |
||||
|
||||
if (info->protect[sect] != 0) /* protected, skip it */ |
||||
continue; |
||||
|
||||
/* Disable interrupts which might cause a timeout here */ |
||||
flag = disable_interrupts(); |
||||
|
||||
addr = (FPWV *) (info->start[sect]); |
||||
if (intel) { |
||||
*addr = (FPW) 0x00500050; /* clear status register */ |
||||
*addr = (FPW) 0x00200020; /* erase setup */ |
||||
*addr = (FPW) 0x00D000D0; /* erase confirm */ |
||||
} else { |
||||
/* must be AMD style if not Intel */ |
||||
FPWV *base; /* first address in bank */ |
||||
|
||||
base = (FPWV *) (info->start[0]); |
||||
base[0x0555] = (FPW) 0x00AA00AA; /* unlock */ |
||||
base[0x02AA] = (FPW) 0x00550055; /* unlock */ |
||||
base[0x0555] = (FPW) 0x00800080; /* erase mode */ |
||||
base[0x0555] = (FPW) 0x00AA00AA; /* unlock */ |
||||
base[0x02AA] = (FPW) 0x00550055; /* unlock */ |
||||
*addr = (FPW) 0x00300030; /* erase sector */ |
||||
} |
||||
|
||||
/* re-enable interrupts if necessary */ |
||||
if (flag) |
||||
enable_interrupts(); |
||||
|
||||
/* wait at least 50us for AMD, 80us for Intel.
|
||||
* Let's wait 1 ms. |
||||
*/ |
||||
udelay(1000); |
||||
|
||||
while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) { |
||||
if ((now = get_timer(0)) - start > CONFIG_SYS_FLASH_ERASE_TOUT) { |
||||
printf("Timeout\n"); |
||||
|
||||
if (intel) { |
||||
/* suspend erase */ |
||||
*addr = (FPW) 0x00B000B0; |
||||
} |
||||
|
||||
flash_reset(info); /* reset to read mode */ |
||||
rcode = 1; /* failed */ |
||||
break; |
||||
} |
||||
|
||||
/* show that we're waiting */ |
||||
if ((now - last) > 1000) { /* every second */ |
||||
putc('.'); |
||||
last = now; |
||||
} |
||||
} |
||||
|
||||
flash_reset(info); /* reset to read mode */ |
||||
} |
||||
|
||||
printf(" done\n"); |
||||
return rcode; |
||||
} |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Copy memory to flash, returns: |
||||
* 0 - OK |
||||
* 1 - write timeout |
||||
* 2 - Flash not erased |
||||
*/ |
||||
int |
||||
bad_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
||||
{ |
||||
FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */ |
||||
int bytes; /* number of bytes to program in current word */ |
||||
int left; /* number of bytes left to program */ |
||||
int i, res; |
||||
|
||||
for (left = cnt, res = 0; |
||||
left > 0 && res == 0; |
||||
addr += sizeof (data), left -= sizeof (data) - bytes) { |
||||
|
||||
bytes = addr & (sizeof (data) - 1); |
||||
addr &= ~(sizeof (data) - 1); |
||||
|
||||
/* combine source and destination data so can program
|
||||
* an entire word of 16 or 32 bits |
||||
*/ |
||||
for (i = 0; i < sizeof (data); i++) { |
||||
data <<= 8; |
||||
if (i < bytes || i - bytes >= left) |
||||
data += *((uchar *) addr + i); |
||||
else |
||||
data += *src++; |
||||
} |
||||
|
||||
/* write one word to the flash */ |
||||
switch (info->flash_id & FLASH_VENDMASK) { |
||||
case FLASH_MAN_AMD: |
||||
res = write_word_amd(info, (FPWV *) addr, data); |
||||
break; |
||||
case FLASH_MAN_INTEL: |
||||
res = write_word_intel(info, (FPWV *) addr, data); |
||||
break; |
||||
default: |
||||
/* unknown flash type, error! */ |
||||
printf("missing or unknown FLASH type\n"); |
||||
res = 1; /* not really a timeout, but gives error */ |
||||
break; |
||||
} |
||||
} |
||||
|
||||
return (res); |
||||
} |
||||
|
||||
/**
|
||||
* write_buf: - Copy memory to flash. |
||||
* |
||||
* @param info: |
||||
* @param src: source of copy transaction |
||||
* @param addr: where to copy to |
||||
* @param cnt: number of bytes to copy |
||||
* |
||||
* @return error code |
||||
*/ |
||||
|
||||
int |
||||
write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
||||
{ |
||||
ulong cp, wp; |
||||
FPW data; |
||||
int l; |
||||
int i, rc; |
||||
|
||||
wp = (addr & ~1); /* 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 << 8); |
||||
} |
||||
for (; i < 2 && cnt > 0; ++i) { |
||||
data = (data >> 8) | (*src++ << 8); |
||||
--cnt; |
||||
++cp; |
||||
} |
||||
for (; cnt == 0 && i < 2; ++i, ++cp) { |
||||
data = (data >> 8) | (*(uchar *) cp << 8); |
||||
} |
||||
|
||||
if ((rc = write_word(info, (FPWV *)wp, data)) != 0) { |
||||
return (rc); |
||||
} |
||||
wp += 2; |
||||
} |
||||
|
||||
/* handle word aligned part */ |
||||
while (cnt >= 2) { |
||||
/* data = *((vushort*)src); */ |
||||
data = *((FPW *) src); |
||||
if ((rc = write_word(info, (FPWV *)wp, data)) != 0) { |
||||
return (rc); |
||||
} |
||||
src += sizeof (FPW); |
||||
wp += sizeof (FPW); |
||||
cnt -= sizeof (FPW); |
||||
} |
||||
|
||||
if (cnt == 0) |
||||
return ERR_OK; |
||||
|
||||
/*
|
||||
* handle unaligned tail bytes |
||||
*/ |
||||
data = 0; |
||||
for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { |
||||
data = (data >> 8) | (*src++ << 8); |
||||
--cnt; |
||||
} |
||||
for (; i < 2; ++i, ++cp) { |
||||
data = (data >> 8) | (*(uchar *) cp << 8); |
||||
} |
||||
|
||||
return write_word(info, (FPWV *)wp, data); |
||||
} |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Write a word to Flash for AMD FLASH |
||||
* A word is 16 or 32 bits, whichever the bus width of the flash bank |
||||
* (not an individual chip) is. |
||||
* |
||||
* returns: |
||||
* 0 - OK |
||||
* 1 - write timeout |
||||
* 2 - Flash not erased |
||||
*/ |
||||
static int |
||||
write_word_amd(flash_info_t * info, FPWV * dest, FPW data) |
||||
{ |
||||
ulong start; |
||||
int flag; |
||||
int res = 0; /* result, assume success */ |
||||
FPWV *base; /* first address in flash bank */ |
||||
|
||||
/* Check if Flash is (sufficiently) erased */ |
||||
if ((*dest & data) != data) { |
||||
return (2); |
||||
} |
||||
|
||||
base = (FPWV *) (info->start[0]); |
||||
/* Disable interrupts which might cause a timeout here */ |
||||
flag = disable_interrupts(); |
||||
|
||||
base[0x0555] = (FPW) 0x00AA00AA; /* unlock */ |
||||
base[0x02AA] = (FPW) 0x00550055; /* unlock */ |
||||
base[0x0555] = (FPW) 0x00A000A0; /* selects program mode */ |
||||
|
||||
*dest = data; /* start programming the data */ |
||||
|
||||
/* re-enable interrupts if necessary */ |
||||
if (flag) |
||||
enable_interrupts(); |
||||
|
||||
start = get_timer(0); |
||||
|
||||
/* data polling for D7 */ |
||||
while (res == 0 |
||||
&& (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) { |
||||
if (get_timer(0) - start > CONFIG_SYS_FLASH_WRITE_TOUT) { |
||||
*dest = (FPW) 0x00F000F0; /* reset bank */ |
||||
printf("SHA timeout\n"); |
||||
res = 1; |
||||
} |
||||
} |
||||
|
||||
return (res); |
||||
} |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Write a word to Flash for Intel FLASH |
||||
* A word is 16 or 32 bits, whichever the bus width of the flash bank |
||||
* (not an individual chip) is. |
||||
* |
||||
* returns: |
||||
* 0 - OK |
||||
* 1 - write timeout |
||||
* 2 - Flash not erased |
||||
*/ |
||||
static int |
||||
write_word_intel(flash_info_t * info, FPWV * dest, FPW data) |
||||
{ |
||||
ulong start; |
||||
int flag; |
||||
int res = 0; /* result, assume success */ |
||||
|
||||
/* Check if Flash is (sufficiently) erased */ |
||||
if ((*dest & data) != data) { |
||||
return (2); |
||||
} |
||||
|
||||
/* Disable interrupts which might cause a timeout here */ |
||||
flag = disable_interrupts(); |
||||
|
||||
*dest = (FPW) 0x00500050; /* clear status register */ |
||||
*dest = (FPW) 0x00FF00FF; /* make sure in read mode */ |
||||
*dest = (FPW) 0x00400040; /* program setup */ |
||||
|
||||
*dest = data; /* start programming the data */ |
||||
|
||||
/* re-enable interrupts if necessary */ |
||||
if (flag) |
||||
enable_interrupts(); |
||||
|
||||
start = get_timer(0); |
||||
|
||||
while (res == 0 && (*dest & (FPW) 0x00800080) != (FPW) 0x00800080) { |
||||
if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
||||
*dest = (FPW) 0x00B000B0; /* Suspend program */ |
||||
res = 1; |
||||
} |
||||
} |
||||
|
||||
if (res == 0 && (*dest & (FPW) 0x00100010)) |
||||
res = 1; /* write failed, time out error is close enough */ |
||||
|
||||
*dest = (FPW) 0x00500050; /* clear status register */ |
||||
*dest = (FPW) 0x00FF00FF; /* make sure in read mode */ |
||||
|
||||
return (res); |
||||
} |
||||
|
||||
#ifdef CONFIG_SYS_FLASH_PROTECTION |
||||
/*-----------------------------------------------------------------------
|
||||
*/ |
||||
int |
||||
flash_real_protect(flash_info_t * info, long sector, int prot) |
||||
{ |
||||
int rcode = 0; /* assume success */ |
||||
FPWV *addr; /* address of sector */ |
||||
FPW value; |
||||
|
||||
addr = (FPWV *) (info->start[sector]); |
||||
|
||||
switch (info->flash_id & FLASH_TYPEMASK) { |
||||
case FLASH_28F800C3B: |
||||
case FLASH_28F800C3T: |
||||
case FLASH_28F160C3B: |
||||
case FLASH_28F160C3T: |
||||
case FLASH_28F320C3B: |
||||
case FLASH_28F320C3T: |
||||
case FLASH_28F640C3B: |
||||
case FLASH_28F640C3T: |
||||
flash_reset(info); /* make sure in read mode */ |
||||
*addr = (FPW) 0x00600060L; /* lock command setup */ |
||||
if (prot) |
||||
*addr = (FPW) 0x00010001L; /* lock sector */ |
||||
else |
||||
*addr = (FPW) 0x00D000D0L; /* unlock sector */ |
||||
flash_reset(info); /* reset to read mode */ |
||||
|
||||
/* now see if it really is locked/unlocked as requested */ |
||||
*addr = (FPW) 0x00900090; |
||||
/* read sector protection at sector address, (A7 .. A0) = 0x02.
|
||||
* D0 = 1 for each device if protected. |
||||
* If at least one device is protected the sector is marked |
||||
* protected, but return failure. Mixed protected and |
||||
* unprotected devices within a sector should never happen. |
||||
*/ |
||||
value = addr[2] & (FPW) 0x00010001; |
||||
if (value == 0) |
||||
info->protect[sector] = 0; |
||||
else if (value == (FPW) 0x00010001) |
||||
info->protect[sector] = 1; |
||||
else { |
||||
/* error, mixed protected and unprotected */ |
||||
rcode = 1; |
||||
info->protect[sector] = 1; |
||||
} |
||||
if (info->protect[sector] != prot) |
||||
rcode = 1; /* failed to protect/unprotect as requested */ |
||||
|
||||
/* reload all protection bits from hardware for now */ |
||||
flash_sync_real_protect(info); |
||||
break; |
||||
|
||||
case FLASH_AM640U: |
||||
default: |
||||
/* no hardware protect that we support */ |
||||
info->protect[sector] = prot; |
||||
break; |
||||
} |
||||
|
||||
return rcode; |
||||
} |
||||
#endif |
@ -1,99 +0,0 @@ |
||||
/*
|
||||
* Copyright (C) 2002 ETC s.r.o. |
||||
* All rights reserved. |
||||
* |
||||
* Redistribution and use in source and binary forms, with or without |
||||
* modification, are permitted provided that the following conditions |
||||
* are met: |
||||
* 1. Redistributions of source code must retain the above copyright |
||||
* notice, this list of conditions and the following disclaimer. |
||||
* 2. Redistributions in binary form must reproduce the above copyright |
||||
* notice, this list of conditions and the following disclaimer in the |
||||
* documentation and/or other materials provided with the distribution. |
||||
* 3. Neither the name of the ETC s.r.o. nor the names of its contributors |
||||
* may be used to endorse or promote products derived from this software |
||||
* without specific prior written permission. |
||||
* |
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||
* |
||||
* Written by Marcel Telka <marcel@telka.sk>, 2002. |
||||
* |
||||
* Documentation: |
||||
* [1] Intel Corporation, "3 Volt Intel Strata Flash Memory 28F128J3A, 28F640J3A, |
||||
* 28F320J3A (x8/x16)", April 2002, Order Number: 290667-011 |
||||
* [2] Intel Corporation, "3 Volt Synchronous Intel Strata Flash Memory 28F640K3, 28F640K18, |
||||
* 28F128K3, 28F128K18, 28F256K3, 28F256K18 (x16)", June 2002, Order Number: 290737-005 |
||||
* |
||||
* This file is taken from OpenWinCE project hosted by SourceForge.net |
||||
* |
||||
*/ |
||||
|
||||
#ifndef FLASH_INTEL_H |
||||
#define FLASH_INTEL_H |
||||
|
||||
#include <common.h> |
||||
|
||||
/* Intel CFI commands - see Table 4. in [1] and Table 3. in [2] */ |
||||
|
||||
#define CFI_INTEL_CMD_READ_ARRAY 0xFF /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_READ_IDENTIFIER 0x90 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_READ_QUERY 0x98 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_READ_STATUS_REGISTER 0x70 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_CLEAR_STATUS_REGISTER 0x50 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_PROGRAM1 0x40 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_PROGRAM2 0x10 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_WRITE_TO_BUFFER 0xE8 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_CONFIRM 0xD0 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_BLOCK_ERASE 0x20 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_SUSPEND 0xB0 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_RESUME 0xD0 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_LOCK_SETUP 0x60 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_LOCK_BLOCK 0x01 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_UNLOCK_BLOCK 0xD0 /* 28FxxxJ3A - unlocks all blocks, 28FFxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_CMD_LOCK_DOWN_BLOCK 0x2F /* 28FxxxK3, 28FxxxK18 */ |
||||
|
||||
/* Intel CFI Status Register bits - see Table 6. in [1] and Table 7. in [2] */ |
||||
|
||||
#define CFI_INTEL_SR_READY 1 << 7 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_ERASE_SUSPEND 1 << 6 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_ERASE_ERROR 1 << 5 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_PROGRAM_ERROR 1 << 4 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_VPEN_ERROR 1 << 3 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_PROGRAM_SUSPEND 1 << 2 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_BLOCK_LOCKED 1 << 1 /* 28FxxxJ3A, 28FxxxK3, 28FxxxK18 */ |
||||
#define CFI_INTEL_SR_BEFP 1 << 0 /* 28FxxxK3, 28FxxxK18 */ |
||||
|
||||
/* Intel flash device ID codes for 28FxxxJ3A - see Table 5. in [1] */ |
||||
|
||||
#define CFI_CHIP_INTEL_28F320J3A 0x0016 |
||||
#define CFI_CHIPN_INTEL_28F320J3A "28F320J3A" |
||||
#define CFI_CHIP_INTEL_28F640J3A 0x0017 |
||||
#define CFI_CHIPN_INTEL_28F640J3A "28F640J3A" |
||||
#define CFI_CHIP_INTEL_28F128J3A 0x0018 |
||||
#define CFI_CHIPN_INTEL_28F128J3A "28F128J3A" |
||||
|
||||
/* Intel flash device ID codes for 28FxxxK3 and 28FxxxK18 - see Table 8. in [2] */ |
||||
|
||||
#define CFI_CHIP_INTEL_28F640K3 0x8801 |
||||
#define CFI_CHIPN_INTEL_28F640K3 "28F640K3" |
||||
#define CFI_CHIP_INTEL_28F128K3 0x8802 |
||||
#define CFI_CHIPN_INTEL_28F128K3 "28F128K3" |
||||
#define CFI_CHIP_INTEL_28F256K3 0x8803 |
||||
#define CFI_CHIPN_INTEL_28F256K3 "28F256K3" |
||||
#define CFI_CHIP_INTEL_28F640K18 0x8805 |
||||
#define CFI_CHIPN_INTEL_28F640K18 "28F640K18" |
||||
#define CFI_CHIP_INTEL_28F128K18 0x8806 |
||||
#define CFI_CHIPN_INTEL_28F128K18 "28F128K18" |
||||
#define CFI_CHIP_INTEL_28F256K18 0x8807 |
||||
#define CFI_CHIPN_INTEL_28F256K18 "28F256K18" |
||||
|
||||
#endif /* FLASH_INTEL_H */ |
@ -1,188 +0,0 @@ |
||||
/* |
||||
* Copyright (C) 2004 Sascha Hauer, Pengutronix |
||||
* |
||||
* 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 <config.h> |
||||
#include <version.h> |
||||
#include <asm/arch/imx-regs.h> |
||||
|
||||
.globl lowlevel_init
|
||||
lowlevel_init: |
||||
|
||||
mov r10, lr |
||||
|
||||
/* Change PERCLK1DIV to 14 ie 14+1 */ |
||||
ldr r0, =PCDR |
||||
ldr r1, =CONFIG_SYS_PCDR_VAL |
||||
str r1, [r0] |
||||
|
||||
/* set MCU PLL Control Register 0 */ |
||||
|
||||
ldr r0, =MPCTL0 |
||||
ldr r1, =CONFIG_SYS_MPCTL0_VAL |
||||
str r1, [r0] |
||||
|
||||
/* set MCU PLL Control Register 1 */ |
||||
|
||||
ldr r0, =MPCTL1 |
||||
ldr r1, =CONFIG_SYS_MPCTL1_VAL |
||||
str r1, [r0] |
||||
|
||||
/* set mpll restart bit */ |
||||
ldr r0, =CSCR |
||||
ldr r1, [r0] |
||||
orr r1,r1,#(1<<21) |
||||
str r1, [r0] |
||||
|
||||
mov r2,#0x10 |
||||
1: |
||||
mov r3,#0x2000 |
||||
2: |
||||
subs r3,r3,#1 |
||||
bne 2b |
||||
|
||||
subs r2,r2,#1 |
||||
bne 1b |
||||
|
||||
/* set System PLL Control Register 0 */ |
||||
|
||||
ldr r0, =SPCTL0 |
||||
ldr r1, =CONFIG_SYS_SPCTL0_VAL |
||||
str r1, [r0] |
||||
|
||||
/* set System PLL Control Register 1 */ |
||||
|
||||
ldr r0, =SPCTL1 |
||||
ldr r1, =CONFIG_SYS_SPCTL1_VAL |
||||
str r1, [r0] |
||||
|
||||
/* set spll restart bit */ |
||||
ldr r0, =CSCR |
||||
ldr r1, [r0] |
||||
orr r1,r1,#(1<<22) |
||||
str r1, [r0] |
||||
|
||||
mov r2,#0x10 |
||||
1: |
||||
mov r3,#0x2000 |
||||
2: |
||||
subs r3,r3,#1 |
||||
bne 2b |
||||
|
||||
subs r2,r2,#1 |
||||
bne 1b |
||||
|
||||
ldr r0, =CSCR |
||||
ldr r1, =CONFIG_SYS_CSCR_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =GPCR |
||||
ldr r1, =CONFIG_SYS_GPCR_VAL |
||||
str r1, [r0] |
||||
|
||||
/* |
||||
* I have now read the ARM920 DataSheet back-to-Back, and have stumbled upon |
||||
* this..... |
||||
* |
||||
* It would appear that from a Cold-Boot the ARM920T enters "FastBus" mode CP15 |
||||
* register 1, this stops it using the output of the PLL and thus runs at the |
||||
* slow rate. Unless you place the Core into "Asynch" mode, the CPU will never |
||||
* use the value set in the CM_OSC registers...regardless of what you set it |
||||
* too! Thus, although i thought i was running at 140MHz, i'm actually running |
||||
* at 40!.. |
||||
* |
||||
* Slapping this into my bootloader does the trick... |
||||
* |
||||
* MRC p15,0,r0,c1,c0,0 ; read core configuration register
|
||||
* ORR r0,r0,#0xC0000000 ; set asynchronous clocks and not fastbus mode
|
||||
* MCR p15,0,r0,c1,c0,0 ; write modified value to core configuration
|
||||
* register |
||||
* |
||||
*/ |
||||
MRC p15,0,r0,c1,c0,0 |
||||
/* ORR r0,r0,#0xC0000000 async mode */ |
||||
/* ORR r0,r0,#0x40000000 sync mode */ |
||||
ORR r0,r0,#0xC0000000 |
||||
MCR p15,0,r0,c1,c0,0 |
||||
|
||||
ldr r0, =GIUS(0) |
||||
ldr r1, =CONFIG_SYS_GIUS_A_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =FMCR |
||||
ldr r1, =CONFIG_SYS_FMCR_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS0U |
||||
ldr r1, =CONFIG_SYS_CS0U_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS0L |
||||
ldr r1, =CONFIG_SYS_CS0L_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS1U |
||||
ldr r1, =CONFIG_SYS_CS1U_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS1L |
||||
ldr r1, =CONFIG_SYS_CS1L_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS4U |
||||
ldr r1, =CONFIG_SYS_CS4U_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS4L |
||||
ldr r1, =CONFIG_SYS_CS4L_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS5U |
||||
ldr r1, =CONFIG_SYS_CS5U_VAL |
||||
str r1, [r0] |
||||
|
||||
ldr r0, =CS5L |
||||
ldr r1, =CONFIG_SYS_CS5L_VAL |
||||
str r1, [r0] |
||||
|
||||
/* SDRAM Setup */ |
||||
|
||||
ldr r1,=0x00221000 /* adr of SDCTRL0 */ |
||||
ldr r0,=0x92120200 |
||||
str r0,[r1,#0] /* put in precharge command mode */ |
||||
ldr r2,=0x08200000 /* adr for precharge cmd */ |
||||
ldr r0,[r2,#0] /* precharge */ |
||||
ldr r0,=0xA2120200 |
||||
ldr r2,=0x08000000 /* start of SDRAM */ |
||||
str r0,[r1,#0] /* put in auto-refresh mode */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,[r2,#0] /* auto-refresh */ |
||||
ldr r0,=0xB2120200 |
||||
ldr r2,=0x08111800 |
||||
str r0,[r1,#0] /* setup for mode register of SDRAM */ |
||||
ldr r0,[r2,#0] /* program mode register */ |
||||
ldr r0,=0x82124267 |
||||
str r0,[r1,#0] /* back to normal operation */ |
||||
|
||||
mov pc,r10 |
@ -1,122 +0,0 @@ |
||||
/*
|
||||
* Copyright (C) 2004 Sascha Hauer, Pengutronix |
||||
* |
||||
* 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 <asm/arch/imx-regs.h> |
||||
|
||||
DECLARE_GLOBAL_DATA_PTR; |
||||
|
||||
#define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) |
||||
|
||||
extern void imx_gpio_mode(int gpio_mode); |
||||
|
||||
static void logo_init(void) |
||||
{ |
||||
imx_gpio_mode(PD15_PF_LD0); |
||||
imx_gpio_mode(PD16_PF_LD1); |
||||
imx_gpio_mode(PD17_PF_LD2); |
||||
imx_gpio_mode(PD18_PF_LD3); |
||||
imx_gpio_mode(PD19_PF_LD4); |
||||
imx_gpio_mode(PD20_PF_LD5); |
||||
imx_gpio_mode(PD21_PF_LD6); |
||||
imx_gpio_mode(PD22_PF_LD7); |
||||
imx_gpio_mode(PD23_PF_LD8); |
||||
imx_gpio_mode(PD24_PF_LD9); |
||||
imx_gpio_mode(PD25_PF_LD10); |
||||
imx_gpio_mode(PD26_PF_LD11); |
||||
imx_gpio_mode(PD27_PF_LD12); |
||||
imx_gpio_mode(PD28_PF_LD13); |
||||
imx_gpio_mode(PD29_PF_LD14); |
||||
imx_gpio_mode(PD30_PF_LD15); |
||||
imx_gpio_mode(PD14_PF_FLM_VSYNC); |
||||
imx_gpio_mode(PD13_PF_LP_HSYNC); |
||||
imx_gpio_mode(PD6_PF_LSCLK); |
||||
imx_gpio_mode(GPIO_PORTD | GPIO_OUT | GPIO_DR); |
||||
imx_gpio_mode(PD11_PF_CONTRAST); |
||||
imx_gpio_mode(PD10_PF_SPL_SPR); |
||||
|
||||
LCDC_RMCR = 0x00000000; |
||||
LCDC_PCR = PCR_COLOR | PCR_PBSIZ_8 | PCR_BPIX_16 | PCR_PCD(5); |
||||
LCDC_HCR = HCR_H_WIDTH(2); |
||||
LCDC_VCR = VCR_V_WIDTH(2); |
||||
|
||||
LCDC_PWMR = 0x00000380; /* contrast to 0x80 middle (is best !!!) */ |
||||
LCDC_SSA = 0x10040000; /* image in flash */ |
||||
|
||||
LCDC_SIZE = SIZE_XMAX(320) | SIZE_YMAX(240); /* screen size */ |
||||
|
||||
LCDC_VPW = 0x000000A0; /* Virtual Page Width Register */ |
||||
LCDC_POS = 0x00000000; /* panning offset 0 (0 pixel offset) */ |
||||
|
||||
/* disable Cursor */ |
||||
LCDC_CPOS = 0x00000000; |
||||
|
||||
/* fixed burst length */ |
||||
LCDC_DMACR = DMACR_BURST | DMACR_HM(8) | DMACR_TM(2); |
||||
|
||||
/* enable LCD */ |
||||
DR(3) |= 0x00001000; |
||||
LCDC_RMCR = RMCR_LCDC_EN; |
||||
|
||||
} |
||||
|
||||
int |
||||
board_init(void) |
||||
{ |
||||
gd->bd->bi_arch_number = MACH_TYPE_MX1FS2; |
||||
gd->bd->bi_boot_params = 0x08000100; |
||||
serial_init(); |
||||
logo_init(); |
||||
return 0; |
||||
} |
||||
|
||||
int |
||||
dram_init(void) |
||||
{ |
||||
#if ( CONFIG_NR_DRAM_BANKS > 0 ) |
||||
gd->bd->bi_dram[0].start = MX1FS2_SDRAM_1; |
||||
gd->bd->bi_dram[0].size = MX1FS2_SDRAM_1_SIZE; |
||||
#endif |
||||
return 0; |
||||
} |
||||
|
||||
/**
|
||||
* show_boot_progress: - indicate state of the boot process |
||||
* |
||||
* @param status: Status number - see README for details. |
||||
* |
||||
*/ |
||||
|
||||
void |
||||
show_boot_progress(int status) |
||||
{ |
||||
/* We use this as a hook to disable serial ports just before booting
|
||||
* This way we suppress the "uncompressing linux..." message |
||||
*/ |
||||
#ifdef CONFIG_SILENT_CONSOLE |
||||
if( status == 8) { |
||||
if( getenv("silent") != NULL ) { |
||||
*(volatile unsigned long *)0x206080 &= ~1; |
||||
*(volatile unsigned long *)0x207080 &= ~1; |
||||
} |
||||
} |
||||
#endif |
||||
return; |
||||
} |
@ -1,305 +0,0 @@ |
||||
/*
|
||||
* Copyright (C) 2004 Sascha Hauer, Pengutronix |
||||
* |
||||
* 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 |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
#define CONFIG_ARM920T 1 /* this is an ARM920T CPU */ |
||||
#define CONFIG_IMX 1 /* in a Motorola MC9328MXL Chip */ |
||||
#define CONFIG_MX1FS2 1 /* on a mx1fs2 board */ |
||||
#undef CONFIG_USE_IRQ /* don't need use IRQ/FIQ */ |
||||
|
||||
/*
|
||||
* Select serial console configuration |
||||
*/ |
||||
#undef _CONFIG_UART1 /* internal uart 1 */ |
||||
#define _CONFIG_UART2 /* internal uart 2 */ |
||||
#undef _CONFIG_UART3 /* internal uart 3 */ |
||||
#undef _CONFIG_UART4 /* internal uart 4 */ |
||||
#undef CONFIG_SILENT_CONSOLE /* use this to disable output */ |
||||
|
||||
/*
|
||||
* BOOTP options |
||||
*/ |
||||
#define CONFIG_BOOTP_BOOTFILESIZE |
||||
#define CONFIG_BOOTP_BOOTPATH |
||||
#define CONFIG_BOOTP_GATEWAY |
||||
#define CONFIG_BOOTP_HOSTNAME |
||||
|
||||
/*
|
||||
* Command line configuration. |
||||
*/ |
||||
#include <config_cmd_default.h> |
||||
|
||||
#define CONFIG_CMD_JFFS2 |
||||
|
||||
#undef CONFIG_CMD_CONSOLE |
||||
#undef CONFIG_CMD_DHCP |
||||
#undef CONFIG_CMD_LOADS |
||||
#undef CONFIG_CMD_NET |
||||
#undef CONFIG_CMD_PING |
||||
#undef CONFIG_CMD_SOURCE |
||||
|
||||
/*
|
||||
* Boot options. Setting delay to -1 stops autostart count down. |
||||
*/ |
||||
#define CONFIG_BOOTDELAY 10 |
||||
#define CONFIG_BOOTARGS "root=/dev/mtdblock4 console=ttySMX0,115200n8 rootfstype=jffs2" |
||||
#define CONFIG_BOOTCOMMAND "bootm 10080000" |
||||
#define CONFIG_SHOW_BOOT_PROGRESS |
||||
|
||||
/*
|
||||
* General options for u-boot. Modify to save memory foot print |
||||
*/ |
||||
#define CONFIG_SYS_LONGHELP /* undef saves memory */ |
||||
#define CONFIG_SYS_PROMPT "mx1fs2> " /* prompt string */ |
||||
#define CONFIG_SYS_CBSIZE 256 /* console I/O buffer */ |
||||
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* print buffer size */ |
||||
#define CONFIG_SYS_MAXARGS 16 /* max command args */ |
||||
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* boot args buf size */ |
||||
|
||||
#define CONFIG_SYS_MEMTEST_START 0x08100000 /* memtest test area */ |
||||
#define CONFIG_SYS_MEMTEST_END 0x08F00000 |
||||
|
||||
#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ |
||||
#define CONFIG_SYS_CPUSPEED 0x141 /* core clock - register value */ |
||||
|
||||
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
||||
#define CONFIG_BAUDRATE 115200 |
||||
/*
|
||||
* Definitions related to passing arguments to kernel. |
||||
*/ |
||||
#define CONFIG_CMDLINE_TAG 1 /* send commandline to Kernel */ |
||||
#define CONFIG_SETUP_MEMORY_TAGS 1 /* send memory definition to kernel */ |
||||
#define CONFIG_INITRD_TAG 1 /* send initrd params */ |
||||
|
||||
/*
|
||||
* Malloc pool need to host env + 128 Kb reserve for other allocations. |
||||
*/ |
||||
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128<<10) ) |
||||
|
||||
#define CONFIG_STACKSIZE (120<<10) /* stack size */ |
||||
|
||||
#ifdef CONFIG_USE_IRQ |
||||
#define CONFIG_STACKSIZE_IRQ (4<<10) /* IRQ stack */ |
||||
#define CONFIG_STACKSIZE_FIQ (4<<10) /* FIQ stack */ |
||||
#endif |
||||
|
||||
/* SDRAM Setup Values
|
||||
* 0x910a8300 Precharge Command CAS 3 |
||||
* 0x910a8200 Precharge Command CAS 2 |
||||
* |
||||
* 0xa10a8300 AutoRefresh Command CAS 3 |
||||
* 0xa10a8200 Set AutoRefresh Command CAS 2 |
||||
*/ |
||||
#define PRECHARGE_CMD 0x910a8300 |
||||
#define AUTOREFRESH_CMD 0xa10a8300 |
||||
|
||||
#define BUS32BIT_VERSION |
||||
/*
|
||||
* SDRAM Memory Map |
||||
*/ |
||||
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SDRAM */ |
||||
#define MX1FS2_SDRAM_1 0x08000000 /* SDRAM bank #1 */ |
||||
#ifdef BUS32BIT_VERSION |
||||
#define MX1FS2_SDRAM_1_SIZE (0x04000000 - 0x100000) /* 64 MB - 1M Framebuffer */ |
||||
#else |
||||
#define MX1FS2_SDRAM_1_SIZE (0x01FC0000 - 0x100000) /* 32 MB - 1M Framebuffer */ |
||||
#endif |
||||
/*
|
||||
* Flash Controller settings |
||||
*/ |
||||
|
||||
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* FLASH banks count (not chip count)*/ |
||||
#define CONFIG_SYS_MAX_FLASH_SECT 256 /* number of sector in FLASH bank */ |
||||
|
||||
#ifdef BUS32BIT_VERSION |
||||
#define MX1FS2_FLASH_BUS_WIDTH 4 /* we use 32 bit FLASH memory... */ |
||||
#define MX1FS2_FLASH_INTERLEAVE 2 /* ... made of 2 chips */ |
||||
#define MX1FS2_FLASH_BANK_SIZE 0x02000000 /* size of one flash bank*/ |
||||
#define MX1FS2_FLASH_SECT_SIZE 0x00020000 /* size of erase sector */ |
||||
#else |
||||
#define MX1FS2_FLASH_BUS_WIDTH 2 /* we use 16 bit FLASH memory... */ |
||||
#define MX1FS2_FLASH_INTERLEAVE 1 /* ... made of 1 chip */ |
||||
#define MX1FS2_FLASH_BANK_SIZE 0x01000000 /* size of one flash bank*/ |
||||
#define MX1FS2_FLASH_SECT_SIZE 0x00010000 /* size of erase sector */ |
||||
#endif |
||||
#define MX1FS2_FLASH_BASE 0x10000000 /* location of flash memory */ |
||||
#define MX1FS2_FLASH_UNLOCK 1 /* perform hw unlock first */ |
||||
|
||||
/* This should be defined if CFI FLASH device is present. Actually benefit
|
||||
is not so clear to me. In other words we can provide more informations |
||||
to user, but this expects more complex flash handling we do not provide |
||||
now.*/ |
||||
#undef CONFIG_SYS_FLASH_CFI |
||||
|
||||
#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* timeout for Erase operation */ |
||||
#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* timeout for Write operation */ |
||||
|
||||
#define CONFIG_SYS_FLASH_BASE MX1FS2_FLASH_BASE |
||||
|
||||
/*
|
||||
* This is setting for JFFS2 support in u-boot. |
||||
* Right now there is no gain for user, but later on booting kernel might be |
||||
* possible. Consider using XIP kernel running from flash to save RAM |
||||
* footprint. |
||||
* NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support. |
||||
*/ |
||||
|
||||
/*
|
||||
* JFFS2 partitions |
||||
*/ |
||||
/* No command line, one static partition, whole device */ |
||||
/*
|
||||
#undef CONFIG_CMD_MTDPARTS |
||||
#define CONFIG_JFFS2_DEV "nor0" |
||||
#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF |
||||
#define CONFIG_JFFS2_PART_OFFSET 0x00050000 |
||||
*/ |
||||
|
||||
/* mtdparts command line support */ |
||||
/* Note: fake mtd_id used, no linux mtd map file */ |
||||
#define CONFIG_CMD_MTDPARTS |
||||
#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ |
||||
#define CONFIG_FLASH_CFI_MTD |
||||
#define MTDIDS_DEFAULT "nor0=mx1fs2-0" |
||||
|
||||
#ifdef BUS32BIT_VERSION |
||||
#define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:2m@5m(part0),5m@9m(part1)" |
||||
#else |
||||
#define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:-@320k(jffs2)" |
||||
#endif |
||||
|
||||
/*
|
||||
* Environment setup. Definitions of monitor location and size with |
||||
* definition of environment setup ends up in 2 possibilities. |
||||
* 1. Embeded environment - in u-boot code is space for environment |
||||
* 2. Environment is read from predefined sector of flash |
||||
* Right now we support 2. possiblity, but expecting no env placed |
||||
* on mentioned address right now. This also needs to provide whole |
||||
* sector for it - for us 256Kb is really waste of memory. U-boot uses |
||||
* default env. and until kernel parameters could be sent to kernel |
||||
* env. has no sense to us. |
||||
*/ |
||||
|
||||
#define CONFIG_SYS_MONITOR_BASE 0x10000000 |
||||
#define CONFIG_SYS_MONITOR_LEN 0x20000 /* 128b ( 1 flash sector ) */ |
||||
#define CONFIG_ENV_IS_IN_FLASH 1 |
||||
#define CONFIG_ENV_ADDR 0x10020000 /* absolute address for now */ |
||||
#define CONFIG_ENV_SIZE 0x20000 |
||||
|
||||
#define CONFIG_ENV_OVERWRITE 1 /* env is not writable now */ |
||||
|
||||
/* Setup CS4 and CS5 */ |
||||
#define CONFIG_SYS_GIUS_A_VAL 0x0003fffe |
||||
|
||||
/*
|
||||
* CSxU_VAL: |
||||
* 63| x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x|32 |
||||
* |DTACK_SEL|0|BCD | BCS | PSZ|PME|SYNC| DOL | CNC| WSC | 0| WWS | EDC | |
||||
* |
||||
* CSxL_VAL: |
||||
* 31| x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x | x x x x| 0 |
||||
* | OEA | OEN | WEA | WEN | CSA |EBC| DSZ | 0|SP|0|WP| 0 0|PA|CSEN| |
||||
*/ |
||||
|
||||
#define CONFIG_SYS_CS0U_VAL 0x00008C00 |
||||
#define CONFIG_SYS_CS0L_VAL 0x22222601 |
||||
#define CONFIG_SYS_CS1U_VAL 0x00008C00 |
||||
#define CONFIG_SYS_CS1L_VAL 0x22222301 |
||||
#define CONFIG_SYS_CS4U_VAL 0x00008C00 |
||||
#define CONFIG_SYS_CS4L_VAL 0x22222301 |
||||
#define CONFIG_SYS_CS5U_VAL 0x00008C00 |
||||
#define CONFIG_SYS_CS5L_VAL 0x22222301 |
||||
|
||||
/* f_{dpll}=2*f{ref}*(MFI+MFN/(MFD+1))/(PD+1)
|
||||
f_ref=16,777MHz |
||||
|
||||
0x002a141f: 191,9944MHz |
||||
0x040b2007: 144MHz |
||||
0x042a141f: 96MHz |
||||
0x0811140d: 64MHz |
||||
0x040e200e: 150MHz |
||||
0x00321431: 200MHz |
||||
|
||||
0x08001800: 64MHz mit 16er Quarz |
||||
0x04001800: 96MHz mit 16er Quarz |
||||
0x04002400: 144MHz mit 16er Quarz |
||||
|
||||
31 |x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x| 0 |
||||
|XXX|--PD---|-------MFD---------|XXX|--MFI--|-----MFN-----------| */ |
||||
|
||||
#define CONFIG_SYS_MPCTL0_VAL 0x07E723AD |
||||
#define CONFIG_SYS_MPCTL1_VAL 0x00000040 |
||||
#define CONFIG_SYS_PCDR_VAL 0x00010005 |
||||
#define CONFIG_SYS_GPCR_VAL 0x00000FFB |
||||
|
||||
#define USE_16M_OSZI /* If you have one, you want to use it |
||||
The internal 32kHz oszillator jitters */ |
||||
#ifdef USE_16M_OSZI |
||||
|
||||
#define CONFIG_SYS_SPCTL0_VAL 0x04001401 |
||||
#define CONFIG_SYS_SPCTL1_VAL 0x0C000040 |
||||
#define CONFIG_SYS_CSCR_VAL 0x07030003 |
||||
#define CONFIG_SYS_CLK_FREQ 16780000 |
||||
#define CONFIG_SYSPLL_CLK_FREQ 16000000 |
||||
|
||||
#else |
||||
|
||||
#define CONFIG_SYS_SPCTL0_VAL 0x07E716D1 |
||||
#define CONFIG_SYS_CSCR_VAL 0x06000003 |
||||
#define CONFIG_SYS_CLK_FREQ 16780000 |
||||
#define CONFIG_SYSPLL_CLK_FREQ 16780000 |
||||
|
||||
#endif |
||||
|
||||
/*
|
||||
* Well this has to be defined, but on the other hand it is used differently |
||||
* one may expect. For instance loadb command do not cares :-) |
||||
* So advice is - do not relay on this... |
||||
*/ |
||||
#define CONFIG_SYS_LOAD_ADDR 0x08400000 |
||||
|
||||
#define CONFIG_SYS_FMCR_VAL 0x00000003 /* Reset Default */ |
||||
|
||||
/* Bit[0:3] contain PERCLK1DIV for UART 1
|
||||
0x000b00b ->b<- -> 192MHz/12=16MHz |
||||
0x000b00b ->8<- -> 144MHz/09=16MHz |
||||
0x000b00b ->3<- -> 64MHz/4=16MHz */ |
||||
|
||||
#ifdef _CONFIG_UART1 |
||||
#define CONFIG_IMX_SERIAL |
||||
#define CONFIG_IMX_SERIAL1 |
||||
#elif defined _CONFIG_UART2 |
||||
#define CONFIG_IMX_SERIAL |
||||
#define CONFIG_IMX_SERIAL2 |
||||
#elif defined _CONFIG_UART3 | defined _CONFIG_UART4 |
||||
#define CONFIG_SYS_NS16550 |
||||
#define CONFIG_SYS_NS16550_SERIAL |
||||
#define CONFIG_SYS_NS16550_CLK 3686400 |
||||
#define CONFIG_SYS_NS16550_REG_SIZE 1 |
||||
#define CONFIG_CONS_INDEX 1 |
||||
#ifdef _CONFIG_UART3 |
||||
#define CONFIG_SYS_NS16550_COM1 0x15000000 |
||||
#elif defined _CONFIG_UART4 |
||||
#define CONFIG_SYS_NS16550_COM1 0x16000000 |
||||
#endif |
||||
#endif |
||||
|
||||
#endif /* __CONFIG_H */ |
Loading…
Reference in new issue