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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144 lines
3.8 KiB
144 lines
3.8 KiB
/*
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* (C) Copyright 2002
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* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
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*
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* adapted for VCMA9
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* David Mueller, ELSOFT AG, d.mueller@elsoft.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 "vcma9.h"
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#include "../common/common_util.h"
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#if defined(CONFIG_DRIVER_CS8900)
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#include <../drivers/cs8900.h>
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static uchar cs8900_chksum(ushort data)
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{
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return((data >> 8) & 0x00FF) + (data & 0x00FF);
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}
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#endif
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extern void print_vcma9_info(void);
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extern int vcma9_cantest(void);
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extern int vcma9_nandtest(void);
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extern int vcma9_dactest(void);
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extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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/* ------------------------------------------------------------------------- */
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int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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DECLARE_GLOBAL_DATA_PTR;
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if (strcmp(argv[1], "info") == 0)
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{
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print_vcma9_info();
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return 0;
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}
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#if defined(CONFIG_DRIVER_CS8900)
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if (strcmp(argv[1], "cs8900_eeprom") == 0) {
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if (strcmp(argv[2], "read") == 0) {
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uchar addr; ushort data;
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addr = simple_strtoul(argv[3], NULL, 16);
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cs8900_e2prom_read(addr, &data);
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printf("0x%2.2X: 0x%4.4X\n", addr, data);
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} else if (strcmp(argv[2], "write") == 0) {
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uchar addr; ushort data;
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addr = simple_strtoul(argv[3], NULL, 16);
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data = simple_strtoul(argv[4], NULL, 16);
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cs8900_e2prom_write(addr, data);
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} else if (strcmp(argv[2], "setaddr") == 0) {
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uchar addr, i, csum; ushort data;
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/* check for valid ethaddr */
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for (i = 0; i < 6; i++)
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if (gd->bd->bi_enetaddr[i] != 0)
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break;
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if (i < 6) {
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addr = 1;
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data = 0x2158;
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cs8900_e2prom_write(addr, data);
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csum = cs8900_chksum(data);
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addr++;
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for (i = 0; i < 6; i+=2) {
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data = gd->bd->bi_enetaddr[i+1] << 8 |
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gd->bd->bi_enetaddr[i];
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cs8900_e2prom_write(addr, data);
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csum += cs8900_chksum(data);
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addr++;
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}
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/* calculate header link byte */
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data = 0xA100 | (addr * 2);
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cs8900_e2prom_write(0, data);
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csum += cs8900_chksum(data);
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/* write checksum word */
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cs8900_e2prom_write(addr, (0 - csum) << 8);
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} else {
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printf("\nplease defined 'ethaddr'\n");
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}
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} else if (strcmp(argv[2], "dump") == 0) {
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uchar addr = 0, endaddr, csum; ushort data;
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printf("Dump of CS8900 config device: ");
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cs8900_e2prom_read(addr, &data);
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if ((data & 0xE000) == 0xA000) {
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endaddr = (data & 0x00FF) / 2;
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csum = cs8900_chksum(data);
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for (addr = 1; addr <= endaddr; addr++) {
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cs8900_e2prom_read(addr, &data);
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printf("\n0x%2.2X: 0x%4.4X", addr, data);
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csum += cs8900_chksum(data);
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}
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printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
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} else {
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printf("no valid config found");
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}
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printf("\n");
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}
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return 0;
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}
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#endif
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#if 0
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if (strcmp(argv[1], "cantest") == 0) {
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vcma9_cantest();
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return 0;
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}
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if (strcmp(argv[1], "nandtest") == 0) {
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vcma9_nandtest();
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return 0;
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}
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if (strcmp(argv[1], "dactest") == 0) {
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vcma9_dactest();
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return 0;
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}
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#endif
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return (do_mplcommon(cmdtp, flag, argc, argv));
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}
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