upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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717 lines
17 KiB
717 lines
17 KiB
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <video_fb.h>
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#include "common_util.h"
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#include <asm/processor.h>
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#include <asm/byteorder.h>
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#include <i2c.h>
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#include <devices.h>
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#include <pci.h>
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#ifdef CONFIG_PIP405
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#include "../pip405/pip405.h"
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#include <405gp_pci.h>
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#endif
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#ifdef CONFIG_MIP405
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#include "../mip405/mip405.h"
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#include <405gp_pci.h>
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#endif
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extern int gunzip (void *, int, unsigned char *, int *);
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extern int mem_test(unsigned long start, unsigned long ramsize, int quiet);
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#define I2C_BACKUP_ADDR 0x7C00 /* 0x200 bytes for backup */
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#define IMAGE_SIZE 0x80000
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extern flash_info_t flash_info[]; /* info for FLASH chips */
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static image_header_t header;
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int mpl_prg(unsigned long src,unsigned long size)
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{
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unsigned long start;
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flash_info_t *info;
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int i,rc;
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#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
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char *copystr = (char *)src;
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unsigned long *magic = (unsigned long *)src;
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#endif
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info = &flash_info[0];
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#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
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if(ntohl(magic[0]) != IH_MAGIC) {
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printf("Bad Magic number\n");
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return -1;
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}
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/* some more checks before we delete the Flash... */
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/* Checking the ISO_STRING prevents to program a
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* wrong Firmware Image into the flash.
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*/
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i=4; /* skip Magic number */
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while(1) {
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if(strncmp(©str[i],"MEV-",4)==0)
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break;
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if(i++>=0x100) {
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printf("Firmware Image for unknown Target\n");
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return -1;
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}
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}
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/* we have the ISO STRING, check */
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if(strncmp(©str[i],CONFIG_ISO_STRING,sizeof(CONFIG_ISO_STRING)-1)!=0) {
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printf("Wrong Firmware Image: %s\n",©str[i]);
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return -1;
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}
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start = 0 - size;
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for(i=info->sector_count-1;i>0;i--)
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{
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info->protect[i] = 0; /* unprotect this sector */
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if(start>=info->start[i])
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break;
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}
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/* set-up flash location */
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/* now erase flash */
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printf("Erasing at %lx (sector %d) (start %lx)\n",
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start,i,info->start[i]);
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flash_erase (info, i, info->sector_count-1);
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#elif defined(CONFIG_VCMA9)
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start = 0;
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for (i = 0; i <info->sector_count; i++)
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{
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info->protect[i] = 0; /* unprotect this sector */
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if (size < info->start[i])
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break;
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}
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/* set-up flash location */
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/* now erase flash */
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printf("Erasing at %lx (sector %d) (start %lx)\n",
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start,0,info->start[0]);
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flash_erase (info, 0, i);
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#endif
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printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",src,size);
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if ((rc = flash_write ((uchar *)src, start, size)) != 0) {
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puts ("ERROR ");
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flash_perror (rc);
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return (1);
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}
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puts ("OK programming done\n");
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return 0;
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}
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int mpl_prg_image(unsigned long ld_addr)
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{
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unsigned long data,len,checksum;
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image_header_t *hdr=&header;
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/* Copy header so we can blank CRC field for re-calculation */
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memcpy (&header, (char *)ld_addr, sizeof(image_header_t));
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if (ntohl(hdr->ih_magic) != IH_MAGIC) {
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printf ("Bad Magic Number\n");
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return 1;
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}
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print_image_hdr(hdr);
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if (hdr->ih_os != IH_OS_U_BOOT) {
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printf ("No U-Boot Image\n");
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return 1;
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}
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if (hdr->ih_type != IH_TYPE_FIRMWARE) {
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printf ("No Firmware Image\n");
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return 1;
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}
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data = (ulong)&header;
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len = sizeof(image_header_t);
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checksum = ntohl(hdr->ih_hcrc);
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hdr->ih_hcrc = 0;
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if (crc32 (0, (char *)data, len) != checksum) {
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printf ("Bad Header Checksum\n");
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return 1;
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}
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data = ld_addr + sizeof(image_header_t);
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len = ntohl(hdr->ih_size);
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printf ("Verifying Checksum ... ");
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if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
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printf ("Bad Data CRC\n");
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return 1;
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}
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switch (hdr->ih_comp) {
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case IH_COMP_NONE:
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break;
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case IH_COMP_GZIP:
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printf (" Uncompressing ... ");
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if (gunzip ((void *)(data+0x100000), 0x400000,
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(uchar *)data, (int *)&len) != 0) {
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printf ("GUNZIP ERROR\n");
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return 1;
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}
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data+=0x100000;
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break;
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default:
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printf (" Unimplemented compression type %d\n", hdr->ih_comp);
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return 1;
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}
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printf (" OK\n");
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return(mpl_prg(data,len));
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}
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void get_backup_values(backup_t *buf)
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{
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i2c_read(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
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}
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void set_backup_values(int overwrite)
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{
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backup_t back;
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int i;
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get_backup_values(&back);
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if(!overwrite) {
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if(strncmp(back.signature,"MPL\0",4)==0) {
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printf("Not possible to write Backup\n");
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return;
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}
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}
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memcpy(back.signature,"MPL\0",4);
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i = getenv_r("serial#",back.serial_name,16);
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if(i < 0) {
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printf("Not possible to write Backup\n");
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return;
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}
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back.serial_name[16]=0;
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i = getenv_r("ethaddr",back.eth_addr,20);
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if(i < 0) {
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printf("Not possible to write Backup\n");
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return;
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}
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back.eth_addr[20]=0;
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i2c_write(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
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}
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void clear_env_values(void)
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{
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backup_t back;
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unsigned char env_crc[4];
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memset(&back,0xff,sizeof(backup_t));
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memset(env_crc,0x00,4);
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i2c_write(CFG_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
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i2c_write(CFG_DEF_EEPROM_ADDR,CFG_ENV_OFFSET,2,(void *)env_crc,4);
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}
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/*
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* check crc of "older" environment
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*/
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int check_env_old_size(ulong oldsize)
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{
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ulong crc, len, new;
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unsigned off;
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uchar buf[64];
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/* read old CRC */
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eeprom_read (CFG_DEF_EEPROM_ADDR,
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CFG_ENV_OFFSET,
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(uchar *)&crc, sizeof(ulong));
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new = 0;
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len = oldsize;
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off = sizeof(long);
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len = oldsize-off;
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while (len > 0) {
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int n = (len > sizeof(buf)) ? sizeof(buf) : len;
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eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, buf, n);
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new = crc32 (new, buf, n);
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len -= n;
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off += n;
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}
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return (crc == new);
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}
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static ulong oldsizes[] = {
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0x200,
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0x800,
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0
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};
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void copy_old_env(ulong size)
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{
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uchar name_buf[64];
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uchar value_buf[0x800];
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uchar c;
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ulong len;
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unsigned off;
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uchar *name, *value;
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name=&name_buf[0];
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value=&value_buf[0];
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len=size;
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off = sizeof(long);
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while (len > off) {
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eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1);
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if(c != '=') {
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*name++=c;
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off++;
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}
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else {
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*name++='\0';
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off++;
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do {
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eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1);
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*value++=c;
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off++;
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if(c == '\0')
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break;
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} while(len > off);
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name=&name_buf[0];
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value=&value_buf[0];
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if(strncmp(name,"baudrate",8)!=0) {
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setenv(name,value);
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}
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}
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}
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}
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void check_env(void)
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{
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unsigned char *s;
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int i=0;
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char buf[32];
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backup_t back;
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s=getenv("serial#");
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if(!s) {
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while(oldsizes[i]) {
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if(check_env_old_size(oldsizes[i]))
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break;
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i++;
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}
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if(!oldsizes[i]) {
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/* no old environment has been found */
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get_backup_values (&back);
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if (strncmp (back.signature, "MPL\0", 4) == 0) {
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sprintf (buf, "%s", back.serial_name);
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setenv ("serial#", buf);
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sprintf (buf, "%s", back.eth_addr);
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setenv ("ethaddr", buf);
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printf ("INFO: serial# and ethaddr recovered, use saveenv\n");
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return;
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}
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}
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else {
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copy_old_env(oldsizes[i]);
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printf ("INFO: old environment ajusted, use saveenv\n");
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}
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}
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else {
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/* check if back up is set */
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get_backup_values(&back);
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if(strncmp(back.signature,"MPL\0",4)!=0) {
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set_backup_values(0);
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}
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}
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}
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extern device_t *stdio_devices[];
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extern char *stdio_names[];
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void show_stdio_dev(void)
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{
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/* Print information */
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printf ("In: ");
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if (stdio_devices[stdin] == NULL) {
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printf ("No input devices available!\n");
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} else {
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printf ("%s\n", stdio_devices[stdin]->name);
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}
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printf ("Out: ");
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if (stdio_devices[stdout] == NULL) {
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printf ("No output devices available!\n");
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} else {
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printf ("%s\n", stdio_devices[stdout]->name);
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}
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printf ("Err: ");
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if (stdio_devices[stderr] == NULL) {
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printf ("No error devices available!\n");
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} else {
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printf ("%s\n", stdio_devices[stderr]->name);
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}
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}
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/* ------------------------------------------------------------------------- */
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/* switches the cs0 and the cs1 to the locations.
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When boot is TRUE, the the mapping is switched
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to the boot configuration, If it is FALSE, the
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flash will be switched in the boot area */
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#undef SW_CS_DBG
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#ifdef SW_CS_DBG
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#define SW_CS_PRINTF(fmt,args...) printf (fmt ,##args)
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#else
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#define SW_CS_PRINTF(fmt,args...)
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#endif
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#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
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int switch_cs(unsigned char boot)
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{
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unsigned long pbcr;
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int mode;
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mode=get_boot_mode();
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mtdcr(ebccfga, pb0cr);
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pbcr = mfdcr (ebccfgd);
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if (mode & BOOT_MPS) {
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/* Boot width = 8 bit MPS Boot, set up MPS on CS0 */
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/* we need only to switch if boot from MPS */
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/* printf(" MPS boot mode detected. ");*/
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/* printf("cs0 cfg: %lx\n",pbcr); */
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if(boot) {
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/* switch to boot configuration */
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/* this is a 8bit boot, switch cs0 to flash location */
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SW_CS_PRINTF("switch to boot mode (MPS on High address\n");
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pbcr&=0x000FFFFF; /*mask base address of the cs0 */
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pbcr|=(FLASH_BASE0_PRELIM & 0xFFF00000);
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mtdcr(ebccfga, pb0cr);
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mtdcr(ebccfgd, pbcr);
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SW_CS_PRINTF(" new cs0 cfg: %lx\n",pbcr);
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mtdcr(ebccfga, pb1cr); /* get cs1 config reg (flash) */
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pbcr = mfdcr(ebccfgd);
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SW_CS_PRINTF(" old cs1 cfg: %lx\n",pbcr);
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pbcr&=0x000FFFFF; /*mask base address of the cs1 */
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pbcr|=(MULTI_PURPOSE_SOCKET_ADDR & 0xFFF00000);
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mtdcr(ebccfga, pb1cr);
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mtdcr(ebccfgd, pbcr);
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SW_CS_PRINTF(" new cs1 cfg: %lx, MPS is on High Address\n",pbcr);
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}
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else {
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/* map flash to boot area, */
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SW_CS_PRINTF("map Flash to boot area\n");
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pbcr&=0x000FFFFF; /*mask base address of the cs0 */
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pbcr|=(MULTI_PURPOSE_SOCKET_ADDR & 0xFFF00000);
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mtdcr(ebccfga, pb0cr);
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mtdcr(ebccfgd, pbcr);
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SW_CS_PRINTF(" new cs0 cfg: %lx\n",pbcr);
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mtdcr(ebccfga, pb1cr); /* get cs1 config reg (flash) */
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pbcr = mfdcr(ebccfgd);
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SW_CS_PRINTF(" cs1 cfg: %lx\n",pbcr);
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pbcr&=0x000FFFFF; /*mask base address of the cs1 */
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pbcr|=(FLASH_BASE0_PRELIM & 0xFFF00000);
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mtdcr(ebccfga, pb1cr);
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mtdcr(ebccfgd, pbcr);
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SW_CS_PRINTF(" new cs1 cfg: %lx Flash is on High Address\n",pbcr);
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}
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return 1;
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}
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else {
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SW_CS_PRINTF("Normal boot, no switching necessary\n");
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return 0;
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}
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}
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int get_boot_mode(void)
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{
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unsigned long pbcr;
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int res = 0;
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pbcr = mfdcr (strap);
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if ((pbcr & PSR_ROM_WIDTH_MASK) == 0)
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/* boot via MPS or MPS mapping */
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res = BOOT_MPS;
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if(pbcr & PSR_ROM_LOC)
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/* boot via PCI.. */
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res |= BOOT_PCI;
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return res;
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}
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/* Setup cs0 parameter finally.
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Map the flash high (in boot area)
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This code can only be executed from SDRAM (after relocation).
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*/
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void setup_cs_reloc(void)
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{
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unsigned long pbcr;
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/* Since we are relocated, we can set-up the CS finaly
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* but first of all, switch off PCI mapping (in case it was a PCI boot) */
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out32r(PMM0MA,0L);
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icache_enable (); /* we are relocated */
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/* for PCI Boot, we have to set-up the remaining CS correctly */
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pbcr = mfdcr (strap);
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if(pbcr & PSR_ROM_LOC) {
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/* boot via PCI.. */
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if ((pbcr & PSR_ROM_WIDTH_MASK) == 0) {
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/* Boot width = 8 bit MPS Boot, set up MPS on CS0 */
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#ifdef DEBUG
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printf("Mapping MPS to CS0 @ 0x%lx\n",(MPS_CR_B & 0xfff00000));
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#endif
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mtdcr (ebccfga, pb0ap);
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mtdcr (ebccfgd, MPS_AP);
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mtdcr (ebccfga, pb0cr);
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mtdcr (ebccfgd, MPS_CR_B);
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}
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else {
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/* Flash boot, set up the Flash on CS0 */
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#ifdef DEBUG
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printf("Mapping Flash to CS0 @ 0x%lx\n",(FLASH_CR_B & 0xfff00000));
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#endif
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mtdcr (ebccfga, pb0ap);
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mtdcr (ebccfgd, FLASH_AP);
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mtdcr (ebccfga, pb0cr);
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mtdcr (ebccfgd, FLASH_CR_B);
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}
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}
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switch_cs(0); /* map Flash High */
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}
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#elif defined(CONFIG_VCMA9)
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int switch_cs(unsigned char boot)
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{
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return 0;
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}
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#endif /* CONFIG_VCMA9 */
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int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
|
|
ulong size,src,ld_addr;
|
|
int result;
|
|
backup_t back;
|
|
src = MULTI_PURPOSE_SOCKET_ADDR;
|
|
size = IMAGE_SIZE;
|
|
|
|
if (strcmp(argv[1], "flash") == 0)
|
|
{
|
|
#if (CONFIG_COMMANDS & CFG_CMD_FDC)
|
|
if (strcmp(argv[2], "floppy") == 0) {
|
|
char *local_args[3];
|
|
extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]);
|
|
printf ("\nupdating bootloader image from floppy\n");
|
|
local_args[0] = argv[0];
|
|
if(argc==4) {
|
|
local_args[1] = argv[3];
|
|
local_args[2] = NULL;
|
|
ld_addr=simple_strtoul(argv[3], NULL, 16);
|
|
result=do_fdcboot(cmdtp, 0, 2, local_args);
|
|
}
|
|
else {
|
|
local_args[1] = NULL;
|
|
ld_addr=CFG_LOAD_ADDR;
|
|
result=do_fdcboot(cmdtp, 0, 1, local_args);
|
|
}
|
|
result=mpl_prg_image(ld_addr);
|
|
return result;
|
|
}
|
|
#endif /* (CONFIG_COMMANDS & CFG_CMD_FDC) */
|
|
if (strcmp(argv[2], "mem") == 0) {
|
|
if(argc==4) {
|
|
ld_addr=simple_strtoul(argv[3], NULL, 16);
|
|
}
|
|
else {
|
|
ld_addr=load_addr;
|
|
}
|
|
printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
|
|
result=mpl_prg_image(ld_addr);
|
|
return result;
|
|
}
|
|
if (strcmp(argv[2], "mps") == 0) {
|
|
printf ("\nupdating bootloader image from MPS\n");
|
|
result=mpl_prg(src,size);
|
|
return result;
|
|
}
|
|
}
|
|
if (strcmp(argv[1], "mem") == 0)
|
|
{
|
|
result=0;
|
|
if(argc==3)
|
|
{
|
|
result = (int)simple_strtol(argv[2], NULL, 16);
|
|
}
|
|
src=(unsigned long)&result;
|
|
src-=CFG_MEMTEST_START;
|
|
src-=(100*1024); /* - 100k */
|
|
src&=0xfff00000;
|
|
size=0;
|
|
do {
|
|
size++;
|
|
printf("\n\nPass %ld\n",size);
|
|
mem_test(CFG_MEMTEST_START,src,1);
|
|
if(ctrlc())
|
|
break;
|
|
if(result>0)
|
|
result--;
|
|
|
|
}while(result);
|
|
return 0;
|
|
}
|
|
if (strcmp(argv[1], "clearenvvalues") == 0)
|
|
{
|
|
if (strcmp(argv[2], "yes") == 0)
|
|
{
|
|
clear_env_values();
|
|
return 0;
|
|
}
|
|
}
|
|
if (strcmp(argv[1], "getback") == 0) {
|
|
get_backup_values(&back);
|
|
back.signature[3]=0;
|
|
back.serial_name[16]=0;
|
|
back.eth_addr[20]=0;
|
|
printf("GetBackUp: signature: %s\n",back.signature);
|
|
printf(" serial#: %s\n",back.serial_name);
|
|
printf(" ethaddr: %s\n",back.eth_addr);
|
|
return 0;
|
|
}
|
|
if (strcmp(argv[1], "setback") == 0) {
|
|
set_backup_values(1);
|
|
return 0;
|
|
}
|
|
printf("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_DOC)
|
|
extern void doc_probe(ulong physadr);
|
|
void doc_init (void)
|
|
{
|
|
doc_probe(MULTI_PURPOSE_SOCKET_ADDR);
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_VIDEO
|
|
/******************************************************
|
|
* Routines to display the Board information
|
|
* to the screen (since the VGA will be initialized as last,
|
|
* we must resend the infos)
|
|
*/
|
|
|
|
#ifdef CONFIG_CONSOLE_EXTRA_INFO
|
|
extern GraphicDevice ctfb;
|
|
|
|
void video_get_info_str (int line_number, char *info)
|
|
{
|
|
/* init video info strings for graphic console */
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
PPC405_SYS_INFO sys_info;
|
|
char rev;
|
|
int i,boot;
|
|
unsigned long pvr;
|
|
char buf[64];
|
|
char tmp[16];
|
|
char cpustr[16];
|
|
unsigned char *s, *e, bc;
|
|
switch (line_number)
|
|
{
|
|
case 2:
|
|
/* CPU and board infos */
|
|
pvr=get_pvr();
|
|
get_sys_info (&sys_info);
|
|
switch (pvr) {
|
|
case PVR_405GP_RB: rev='B'; break;
|
|
case PVR_405GP_RC: rev='C'; break;
|
|
case PVR_405GP_RD: rev='D'; break;
|
|
case PVR_405GP_RE: rev='E'; break;
|
|
case PVR_405GPR_RB: rev='B'; break;
|
|
default: rev='?'; break;
|
|
}
|
|
if(pvr==PVR_405GPR_RB)
|
|
sprintf(cpustr,"PPC405GPr %c",rev);
|
|
else
|
|
sprintf(cpustr,"PPC405GP %c",rev);
|
|
/* Board info */
|
|
i=0;
|
|
s=getenv ("serial#");
|
|
#ifdef CONFIG_PIP405
|
|
if (!s || strncmp (s, "PIP405", 6)) {
|
|
sprintf(buf,"### No HW ID - assuming PIP405");
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_MIP405
|
|
if (!s || strncmp (s, "MIP405", 6)) {
|
|
sprintf(buf,"### No HW ID - assuming MIP405");
|
|
}
|
|
#endif
|
|
else {
|
|
for (e = s; *e; ++e) {
|
|
if (*e == ' ')
|
|
break;
|
|
}
|
|
for (; s < e; ++s) {
|
|
if (*s == '_') {
|
|
++s;
|
|
break;
|
|
}
|
|
buf[i++]=*s;
|
|
}
|
|
sprintf(&buf[i]," SN ");
|
|
i+=4;
|
|
for (; s < e; ++s) {
|
|
buf[i++]=*s;
|
|
}
|
|
buf[i++]=0;
|
|
}
|
|
sprintf (info," %s %s %s MHz (%lu/%lu/%lu MHz)",
|
|
buf, cpustr,
|
|
strmhz (tmp, gd->cpu_clk), sys_info.freqPLB / 1000000,
|
|
sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
|
|
sys_info.freqPLB / sys_info.pllExtBusDiv / 1000000);
|
|
return;
|
|
case 3:
|
|
/* Memory Info */
|
|
boot = get_boot_mode();
|
|
bc = in8 (CONFIG_PORT_ADDR);
|
|
sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
|
|
gd->bd->bi_memsize / 0x100000,
|
|
gd->bd->bi_flashsize / 0x100000,
|
|
bc,
|
|
(boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
|
|
ctfb.modeIdent);
|
|
return;
|
|
case 1:
|
|
sprintf (buf, "%s",CONFIG_IDENT_STRING);
|
|
sprintf (info, " %s", &buf[1]);
|
|
return;
|
|
}
|
|
/* no more info lines */
|
|
*info = 0;
|
|
return;
|
|
}
|
|
#endif /* CONFIG_CONSOLE_EXTRA_INFO */
|
|
|
|
#endif /* CONFIG_VIDEO */
|
|
|