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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 <net.h>
#include "vcma9.h"
#include "../common/common_util.h"
#if defined(CONFIG_CS8900)
#include <../drivers/net/cs8900.h>
static uchar cs8900_chksum(ushort data)
{
return((data >> 8) & 0x00FF) + (data & 0x00FF);
}
#endif
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct eth_device *dev;
char cs8900_name[10];
if (strcmp(argv[1], "info") == 0)
{
vcma9_print_info();
return 0;
}
#if defined(CONFIG_CS8900)
if (strcmp(argv[1], "cs8900") == 0) {
sprintf(cs8900_name, "%s-0", CS8900_DRIVERNAME);
dev = eth_get_dev_by_name(cs8900_name);
if (!dev) {
printf("Couldn't find CS8900 driver");
return 0;
}
if (strcmp(argv[2], "read") == 0) {
uchar addr; ushort data;
addr = simple_strtoul(argv[3], NULL, 16);
cs8900_e2prom_read(dev, 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(dev, addr, data);
} else if (strcmp(argv[2], "setaddr") == 0) {
uchar addr, i, csum; ushort data;
uchar ethaddr[6];
/* check for valid ethaddr */
if (eth_getenv_enetaddr("ethaddr", ethaddr)) {
addr = 1;
data = 0x2158;
cs8900_e2prom_write(dev, addr, data);
csum = cs8900_chksum(data);
addr++;
for (i = 0; i < 6; i+=2) {
data = ethaddr[i+1] << 8 |
ethaddr[i];
cs8900_e2prom_write(dev, addr, data);
csum += cs8900_chksum(data);
addr++;
}
/* calculate header link byte */
data = 0xA100 | (addr * 2);
cs8900_e2prom_write(dev, 0, data);
csum += cs8900_chksum(data);
/* write checksum word */
cs8900_e2prom_write(dev, addr, (0 - csum) << 8);
} else {
puts("\nplease defined 'ethaddr'\n");
}
} else if (strcmp(argv[2], "dump") == 0) {
uchar addr = 0, endaddr, csum; ushort data;
puts("Dump of CS8900 config device: ");
cs8900_e2prom_read(dev, addr, &data);
if ((data & 0xE000) == 0xA000) {
endaddr = (data & 0x00FF) / 2;
csum = cs8900_chksum(data);
for (addr = 1; addr <= endaddr; addr++) {
cs8900_e2prom_read(dev, addr, &data);
printf("\n0x%2.2X: 0x%4.4X", addr, data);
csum += cs8900_chksum(data);
}
printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
} else {
puts("no valid config found");
}
puts("\n");
}
return 0;
}
#endif
return (do_mplcommon(cmdtp, flag, argc, argv));
}
U_BOOT_CMD(
vcma9, 6, 1, do_vcma9,
"VCMA9 specific commands",
"flash mem [SrcAddr] - updates U-Boot with image in memory\n"
"vcma9 info - displays board information"
);
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