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/*
* (C) Copyright 2002
* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
*
* adapted for VCMA9
* David Mueller, ELSOFT AG, d.mueller@elsoft.ch
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <command.h>
#include "vcma9.h"
#include "../common/common_util.h"
#if defined(CONFIG_DRIVER_CS8900)
#include <../drivers/cs8900.h>
static uchar cs8900_chksum(ushort data)
{
return((data >> 8) & 0x00FF) + (data & 0x00FF);
}
#endif
extern void print_vcma9_info(void);
extern int vcma9_cantest(void);
extern int vcma9_nandtest(void);
extern int vcma9_dactest(void);
extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
/* ------------------------------------------------------------------------- */
int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
DECLARE_GLOBAL_DATA_PTR;
if (strcmp(argv[1], "info") == 0)
{
print_vcma9_info();
return 0;
}
#if defined(CONFIG_DRIVER_CS8900)
if (strcmp(argv[1], "cs8900_eeprom") == 0) {
if (strcmp(argv[2], "read") == 0) {
uchar addr; ushort data;
addr = simple_strtoul(argv[3], NULL, 16);
cs8900_e2prom_read(addr, &data);
printf("0x%2.2X: 0x%4.4X\n", addr, data);
} else if (strcmp(argv[2], "write") == 0) {
uchar addr; ushort data;
addr = simple_strtoul(argv[3], NULL, 16);
data = simple_strtoul(argv[4], NULL, 16);
cs8900_e2prom_write(addr, data);
} else if (strcmp(argv[2], "setaddr") == 0) {
uchar addr, i, csum; ushort data;
/* check for valid ethaddr */
for (i = 0; i < 6; i++)
if (gd->bd->bi_enetaddr[i] != 0)
break;
if (i < 6) {
addr = 1;
data = 0x2158;
cs8900_e2prom_write(addr, data);
csum = cs8900_chksum(data);
addr++;
for (i = 0; i < 6; i+=2) {
data = gd->bd->bi_enetaddr[i+1] << 8 |
gd->bd->bi_enetaddr[i];
cs8900_e2prom_write(addr, data);
csum += cs8900_chksum(data);
addr++;
}
/* calculate header link byte */
data = 0xA100 | (addr * 2);
cs8900_e2prom_write(0, data);
csum += cs8900_chksum(data);
/* write checksum word */
cs8900_e2prom_write(addr, (0 - csum) << 8);
} else {
printf("\nplease defined 'ethaddr'\n");
}
} else if (strcmp(argv[2], "dump") == 0) {
uchar addr, endaddr, csum; ushort data;
printf("Dump of CS8900 config device: ");
cs8900_e2prom_read(addr, &data);
if ((data & 0xE000) == 0xA000) {
endaddr = (data & 0x00FF) / 2;
csum = cs8900_chksum(data);
for (addr = 1; addr <= endaddr; addr++) {
cs8900_e2prom_read(addr, &data);
printf("\n0x%2.2X: 0x%4.4X", addr, data);
csum += cs8900_chksum(data);
}
printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
} else {
printf("no valid config found");
}
printf("\n");
}
return 0;
}
#endif
#if 0
if (strcmp(argv[1], "cantest") == 0) {
vcma9_cantest();
return 0;
}
if (strcmp(argv[1], "nandtest") == 0) {
vcma9_nandtest();
return 0;
}
if (strcmp(argv[1], "dactest") == 0) {
vcma9_dactest();
return 0;
}
#endif
return (do_mplcommon(cmdtp, flag, argc, argv));
}
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