Initial revision
This commit is contained in:
wdenk
parent
ea8015b852
commit
f682e42599
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@ -0,0 +1,53 @@
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/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
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||||
* 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,
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* MA 02111-1307 USA
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*/
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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. = 0x00000000;
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. = ALIGN(4);
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.text :
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{
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cpu/xscale/start.o (.text)
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*(.text)
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}
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. = ALIGN(4);
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.rodata : { *(.rodata) }
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. = ALIGN(4);
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.data : { *(.data) }
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. = ALIGN(4);
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.got : { *(.got) }
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armboot_end_data = .;
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. = ALIGN(4);
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.bss : { *(.bss) }
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armboot_end = .;
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}
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@ -0,0 +1,53 @@
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/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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||||
* See file CREDITS for list of people who contributed to this
|
||||
* 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
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*/
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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. = 0x00000000;
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. = ALIGN(4);
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||||
.text :
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{
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cpu/xscale/start.o (.text)
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*(.text)
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}
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. = ALIGN(4);
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.rodata : { *(.rodata) }
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||||
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. = ALIGN(4);
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.data : { *(.data) }
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. = ALIGN(4);
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.got : { *(.got) }
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armboot_end_data = .;
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. = ALIGN(4);
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.bss : { *(.bss) }
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armboot_end = .;
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}
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@ -0,0 +1,53 @@
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/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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||||
* See file CREDITS for list of people who contributed to this
|
||||
* 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
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||||
*/
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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||||
. = 0x00000000;
|
||||
|
||||
. = ALIGN(4);
|
||||
.text :
|
||||
{
|
||||
cpu/xscale/start.o (.text)
|
||||
*(.text)
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||||
}
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||||
|
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. = ALIGN(4);
|
||||
.rodata : { *(.rodata) }
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||||
|
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. = ALIGN(4);
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.data : { *(.data) }
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||||
|
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. = ALIGN(4);
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.got : { *(.got) }
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armboot_end_data = .;
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. = ALIGN(4);
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.bss : { *(.bss) }
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armboot_end = .;
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}
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@ -0,0 +1,54 @@
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/*
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* (C) Copyright 2002
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* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
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*
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* 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.
|
||||
*
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||||
* 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
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||||
*/
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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. = 0x00000000;
|
||||
|
||||
. = ALIGN(4);
|
||||
.text :
|
||||
{
|
||||
cpu/arm920t/start.o (.text)
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||||
*(.text)
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||||
}
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||||
|
||||
. = ALIGN(4);
|
||||
.rodata : { *(.rodata) }
|
||||
|
||||
. = ALIGN(4);
|
||||
.data : { *(.data) }
|
||||
|
||||
. = ALIGN(4);
|
||||
.got : { *(.got) }
|
||||
|
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armboot_end_data = .;
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|
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. = ALIGN(4);
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.bss : { *(.bss) }
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||||
|
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armboot_end = .;
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||||
}
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@ -0,0 +1,455 @@
|
|||
/*
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||||
* (C) Copyright 2002
|
||||
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
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||||
*
|
||||
* 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
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||||
*/
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/* #define DEBUG */
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#include <common.h>
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#include <environment.h>
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ulong myflush (void);
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#define FLASH_BANK_SIZE 0x800000 /* 8 MB */
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/* this varies depending on the sector */
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#define MAIN_SECT_SIZE 0x20000 /* 2 x 64 kB */
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flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
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#define CMD_READ_ARRAY 0x00F000F0
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#define CMD_UNLOCK1 0x00AA00AA
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#define CMD_UNLOCK2 0x00550055
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#define CMD_ERASE_SETUP 0x00800080
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#define CMD_ERASE_CONFIRM 0x00300030
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#define CMD_PROGRAM 0x00A000A0
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#define CMD_UNLOCK_BYPASS 0x00200020
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#define MEM_FLASH_ADDR1 (*(volatile u32 *)(CFG_FLASH_BASE + (0x00000555 << 2)))
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#define MEM_FLASH_ADDR2 (*(volatile u32 *)(CFG_FLASH_BASE + (0x000002AA << 2)))
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#define BIT_ERASE_DONE 0x00800080
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#define BIT_RDY_MASK 0x00800080
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#define BIT_PROGRAM_ERROR 0x00200020
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#define BIT_TIMEOUT 0x80000000 /* our flag */
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||||
|
||||
#define READY 1
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#define ERR 2
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||||
#define TMO 4
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||||
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/*-----------------------------------------------------------------------
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||||
*/
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||||
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||||
ulong flash_init (void)
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||||
{
|
||||
int i, j;
|
||||
ulong size = 0;
|
||||
|
||||
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
|
||||
ulong flashbase = 0;
|
||||
|
||||
flash_info[i].flash_id =
|
||||
(AMD_MANUFACT & FLASH_VENDMASK) |
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(AMD_ID_LV320B & FLASH_TYPEMASK);
|
||||
flash_info[i].size = FLASH_BANK_SIZE;
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||||
flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
|
||||
memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
|
||||
if (i == 0)
|
||||
flashbase = PHYS_FLASH_1;
|
||||
else
|
||||
panic ("configured too many flash banks!\n");
|
||||
for (j = 0; j < flash_info[i].sector_count; j++) {
|
||||
|
||||
flash_info[i].start[j] = flashbase;
|
||||
|
||||
/* the first 8 sectors are 8 kB */
|
||||
flashbase += (j < 8) ? 0x4000 : MAIN_SECT_SIZE;
|
||||
}
|
||||
size += flash_info[i].size;
|
||||
}
|
||||
|
||||
/*
|
||||
* Protect monitor and environment sectors
|
||||
*/
|
||||
flash_protect ( FLAG_PROTECT_SET,
|
||||
CFG_FLASH_BASE,
|
||||
CFG_FLASH_BASE + _armboot_end_data - _armboot_start,
|
||||
&flash_info[0]);
|
||||
|
||||
flash_protect ( FLAG_PROTECT_SET,
|
||||
CFG_ENV_ADDR,
|
||||
CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
|
||||
|
||||
#ifdef CFG_ENV_ADDR_REDUND
|
||||
flash_protect ( FLAG_PROTECT_SET,
|
||||
CFG_ENV_ADDR_REDUND,
|
||||
CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
|
||||
&flash_info[0]);
|
||||
#endif
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
*/
|
||||
void flash_print_info (flash_info_t * info)
|
||||
{
|
||||
int i;
|
||||
|
||||
switch (info->flash_id & FLASH_VENDMASK) {
|
||||
case (AMD_MANUFACT & FLASH_VENDMASK):
|
||||
printf ("AMD: ");
|
||||
break;
|
||||
default:
|
||||
printf ("Unknown Vendor ");
|
||||
break;
|
||||
}
|
||||
|
||||
switch (info->flash_id & FLASH_TYPEMASK) {
|
||||
case (AMD_ID_LV320B & FLASH_TYPEMASK):
|
||||
printf ("2x Am29LV320DB (32Mbit)\n");
|
||||
break;
|
||||
default:
|
||||
printf ("Unknown Chip Type\n");
|
||||
goto Done;
|
||||
break;
|
||||
}
|
||||
|
||||
printf (" Size: %ld MB in %d Sectors\n",
|
||||
info->size >> 20, info->sector_count);
|
||||
|
||||
printf (" Sector Start Addresses:");
|
||||
for (i = 0; i < info->sector_count; i++) {
|
||||
if ((i % 5) == 0) {
|
||||
printf ("\n ");
|
||||
}
|
||||
printf (" %08lX%s",
|
||||
info->start[i],
|
||||
info->protect[i] ? " (RO)" : " ");
|
||||
}
|
||||
printf ("\n");
|
||||
|
||||
Done:
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
int flash_erase (flash_info_t * info, int s_first, int s_last)
|
||||
{
|
||||
ulong result;
|
||||
|
||||
#if 0
|
||||
int cflag;
|
||||
#endif
|
||||
int iflag, prot, sect;
|
||||
int rc = ERR_OK;
|
||||
int chip1, chip2;
|
||||
|
||||
debug ("flash_erase: s_first %d s_last %d\n", s_first, s_last);
|
||||
|
||||
/* first look for protection bits */
|
||||
|
||||
if (info->flash_id == FLASH_UNKNOWN)
|
||||
return ERR_UNKNOWN_FLASH_TYPE;
|
||||
|
||||
if ((s_first < 0) || (s_first > s_last)) {
|
||||
return ERR_INVAL;
|
||||
}
|
||||
|
||||
if ((info->flash_id & FLASH_VENDMASK) !=
|
||||
(AMD_MANUFACT & FLASH_VENDMASK)) {
|
||||
return ERR_UNKNOWN_FLASH_VENDOR;
|
||||
}
|
||||
|
||||
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");
|
||||
}
|
||||
|
||||
/*
|
||||
* Disable interrupts which might cause a timeout
|
||||
* here. Remember that our exception vectors are
|
||||
* at address 0 in the flash, and we don't want a
|
||||
* (ticker) exception to happen while the flash
|
||||
* chip is in programming mode.
|
||||
*/
|
||||
#if 0
|
||||
cflag = icache_status ();
|
||||
icache_disable ();
|
||||
#endif
|
||||
iflag = disable_interrupts ();
|
||||
|
||||
/* Start erase on unprotected sectors */
|
||||
for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
|
||||
|
||||
debug ("Erasing sector %2d @ %08lX... ",
|
||||
sect, info->start[sect]);
|
||||
|
||||
/* arm simple, non interrupt dependent timer */
|
||||
reset_timer_masked ();
|
||||
|
||||
if (info->protect[sect] == 0) { /* not protected */
|
||||
vu_long *addr = (vu_long *) (info->start[sect]);
|
||||
|
||||
MEM_FLASH_ADDR1 = CMD_UNLOCK1;
|
||||
MEM_FLASH_ADDR2 = CMD_UNLOCK2;
|
||||
MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
|
||||
|
||||
MEM_FLASH_ADDR1 = CMD_UNLOCK1;
|
||||
MEM_FLASH_ADDR2 = CMD_UNLOCK2;
|
||||
*addr = CMD_ERASE_CONFIRM;
|
||||
|
||||
/* wait until flash is ready */
|
||||
chip1 = chip2 = 0;
|
||||
|
||||
do {
|
||||
result = *addr;
|
||||
|
||||
/* check timeout */
|
||||
if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
|
||||
MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
|
||||
chip1 = TMO;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!chip1 && (result & 0xFFFF) & BIT_ERASE_DONE)
|
||||
chip1 = READY;
|
||||
|
||||
if (!chip1 && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
|
||||
chip1 = ERR;
|
||||
|
||||
if (!chip2 && (result >> 16) & BIT_ERASE_DONE)
|
||||
chip2 = READY;
|
||||
|
||||
if (!chip2 && (result >> 16) & BIT_PROGRAM_ERROR)
|
||||
chip2 = ERR;
|
||||
|
||||
} while (!chip1 || !chip2);
|
||||
|
||||
MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
|
||||
|
||||
if (chip1 == ERR || chip2 == ERR) {
|
||||
rc = ERR_PROG_ERROR;
|
||||
goto outahere;
|
||||
}
|
||||
if (chip1 == TMO) {
|
||||
rc = ERR_TIMOUT;
|
||||
goto outahere;
|
||||
}
|
||||
|
||||
#if 0
|
||||
printf ("ok.\n");
|
||||
} else { /* it was protected */
|
||||
|
||||
printf ("protected!\n");
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
outahere:
|
||||
/* allow flash to settle - wait 10 ms */
|
||||
udelay_masked (10000);
|
||||
|
||||
if (iflag)
|
||||
enable_interrupts ();
|
||||
|
||||
#if 0
|
||||
if (cflag)
|
||||
icache_enable ();
|
||||
#endif
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Copy memory to flash
|
||||
*/
|
||||
|
||||
volatile static int write_word (flash_info_t * info, ulong dest,
|
||||
ulong data)
|
||||
{
|
||||
vu_long *addr = (vu_long *) dest;
|
||||
ulong result;
|
||||
int rc = ERR_OK;
|
||||
|
||||
#if 0
|
||||
int cflag;
|
||||
#endif
|
||||
int iflag;
|
||||
int chip1, chip2;
|
||||
|
||||
/*
|
||||
* Check if Flash is (sufficiently) erased
|
||||
*/
|
||||
result = *addr;
|
||||
if ((result & data) != data)
|
||||
return ERR_NOT_ERASED;
|
||||
|
||||
/*
|
||||
* Disable interrupts which might cause a timeout
|
||||
* here. Remember that our exception vectors are
|
||||
* at address 0 in the flash, and we don't want a
|
||||
* (ticker) exception to happen while the flash
|
||||
* chip is in programming mode.
|
||||
*/
|
||||
#if 0
|
||||
cflag = icache_status ();
|
||||
icache_disable ();
|
||||
#endif
|
||||
iflag = disable_interrupts ();
|
||||
|
||||
MEM_FLASH_ADDR1 = CMD_UNLOCK1;
|
||||
MEM_FLASH_ADDR2 = CMD_UNLOCK2;
|
||||
MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
|
||||
*addr = CMD_PROGRAM;
|
||||
*addr = data;
|
||||
|
||||
/* arm simple, non interrupt dependent timer */
|
||||
reset_timer_masked ();
|
||||
|
||||
/* wait until flash is ready */
|
||||
chip1 = chip2 = 0;
|
||||
do {
|
||||
result = *addr;
|
||||
|
||||
/* check timeout */
|
||||
if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
|
||||
chip1 = ERR | TMO;
|
||||
break;
|
||||
}
|
||||
if (!chip1 && ((result & 0x80) == (data & 0x80)))
|
||||
chip1 = READY;
|
||||
|
||||
if (!chip1 && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) {
|
||||
result = *addr;
|
||||
|
||||
if ((result & 0x80) == (data & 0x80))
|
||||
chip1 = READY;
|
||||
else
|
||||
chip1 = ERR;
|
||||
}
|
||||
|
||||
if (!chip2 && ((result & (0x80 << 16)) == (data & (0x80 << 16))))
|
||||
chip2 = READY;
|
||||
|
||||
if (!chip2 && ((result >> 16) & BIT_PROGRAM_ERROR)) {
|
||||
result = *addr;
|
||||
|
||||
if ((result & (0x80 << 16)) == (data & (0x80 << 16)))
|
||||
chip2 = READY;
|
||||
else
|
||||
chip2 = ERR;
|
||||
}
|
||||
|
||||
} while (!chip1 || !chip2);
|
||||
|
||||
*addr = CMD_READ_ARRAY;
|
||||
|
||||
if (chip1 == ERR || chip2 == ERR || *addr != data)
|
||||
rc = ERR_PROG_ERROR;
|
||||
|
||||
if (iflag)
|
||||
enable_interrupts ();
|
||||
|
||||
#if 0
|
||||
if (cflag)
|
||||
icache_enable ();
|
||||
#endif
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Copy memory to flash.
|
||||
*/
|
||||
|
||||
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
|
||||
{
|
||||
ulong cp, wp, data;
|
||||
int l;
|
||||
int i, rc;
|
||||
|
||||
wp = (addr & ~3); /* get lower word aligned address */
|
||||
|
||||
/*
|
||||
* handle unaligned start bytes
|
||||
*/
|
||||
if ((l = addr - wp) != 0) {
|
||||
data = 0;
|
||||
for (i = 0, cp = wp; i < l; ++i, ++cp) {
|
||||
data = (data >> 8) | (*(uchar *) cp << 24);
|
||||
}
|
||||
for (; i < 4 && cnt > 0; ++i) {
|
||||
data = (data >> 8) | (*src++ << 24);
|
||||
--cnt;
|
||||
++cp;
|
||||
}
|
||||
for (; cnt == 0 && i < 4; ++i, ++cp) {
|
||||
data = (data >> 8) | (*(uchar *) cp << 24);
|
||||
}
|
||||
|
||||
if ((rc = write_word (info, wp, data)) != 0) {
|
||||
return (rc);
|
||||
}
|
||||
wp += 4;
|
||||
}
|
||||
|
||||
/*
|
||||
* handle word aligned part
|
||||
*/
|
||||
while (cnt >= 4) {
|
||||
data = *((vu_long *) src);
|
||||
if ((rc = write_word (info, wp, data)) != 0) {
|
||||
return (rc);
|
||||
}
|
||||
src += 4;
|
||||
wp += 4;
|
||||
cnt -= 4;
|
||||
}
|
||||
|
||||
if (cnt == 0) {
|
||||
return ERR_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
* handle unaligned tail bytes
|
||||
*/
|
||||
data = 0;
|
||||
for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
|
||||
data = (data >> 8) | (*src++ << 24);
|
||||
--cnt;
|
||||
}
|
||||
for (; i < 4; ++i, ++cp) {
|
||||
data = (data >> 8) | (*(uchar *) cp << 24);
|
||||
}
|
||||
|
||||
return write_word (info, wp, data);
|
||||
}
|
||||
Loading…
Reference in New Issue