mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-21 17:38:51 +09:00
386 lines
8.9 KiB
C
386 lines
8.9 KiB
C
/*
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* (C) Copyright 2009
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* Werner Pfister <Pfister_Werner@intercontrol.de>
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*
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* (C) Copyright 2009 Semihalf, Grzegorz Bernacki
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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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#include <common.h>
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#include <command.h>
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#include <mpc5xxx.h>
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#include "spi.h"
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#include "cmd_mtc.h"
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DECLARE_GLOBAL_DATA_PTR;
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static uchar user_out;
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static const char *led_names[] = {
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"diag",
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"can1",
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"can2",
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"can3",
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"can4",
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"usbpwr",
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"usbbusy",
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"user1",
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"user2",
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""
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};
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static int msp430_xfer(const void *dout, void *din)
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{
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int err;
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, dout, din,
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SPI_XFER_BEGIN | SPI_XFER_END);
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/* The MSP chip needs time to ready itself for the next command */
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udelay(1000);
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return err;
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}
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static void mtc_calculate_checksum(tx_msp_cmd *packet)
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{
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int i;
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uchar *buff;
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buff = (uchar *) packet;
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for (i = 0; i < 6; i++)
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packet->cks += buff[i];
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}
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static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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int i;
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if (argc < 2)
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return cmd_usage(cmdtp);
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_SET_LED;
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pcmd.cmd_val0 = 0xff;
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for (i = 0; strlen(led_names[i]) != 0; i++) {
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if (strncmp(argv[1], led_names[i], strlen(led_names[i])) == 0) {
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pcmd.cmd_val0 = i;
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break;
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}
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}
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if (pcmd.cmd_val0 == 0xff) {
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printf("Usage:\n%s\n", cmdtp->help);
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return -1;
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}
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if (argc >= 3) {
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if (strncmp(argv[2], "red", 3) == 0)
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pcmd.cmd_val1 = 1;
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else if (strncmp(argv[2], "green", 5) == 0)
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pcmd.cmd_val1 = 2;
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else if (strncmp(argv[2], "orange", 6) == 0)
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pcmd.cmd_val1 = 3;
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else
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pcmd.cmd_val1 = 0;
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}
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if (argc >= 4)
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pcmd.cmd_val2 = simple_strtol(argv[3], NULL, 10);
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else
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pcmd.cmd_val2 = 0;
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pcmd.user_out = user_out;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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return err;
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}
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static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_GET_VIM;
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pcmd.user_out = user_out;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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if (!err) {
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/* function returns '0' if key is pressed */
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err = (prx.input & 0x80) ? 0 : 1;
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}
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return err;
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}
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static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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uchar channel_mask = 0;
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if (argc < 3)
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return cmd_usage(cmdtp);
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if (strncmp(argv[1], "on", 2) == 0)
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channel_mask |= 1;
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if (strncmp(argv[2], "on", 2) == 0)
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channel_mask |= 2;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_GET_VIM;
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pcmd.user_out = channel_mask;
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user_out = channel_mask;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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return err;
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}
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static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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uchar channel_num = 0;
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if (argc < 2)
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return cmd_usage(cmdtp);
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channel_num = simple_strtol(argv[1], NULL, 10);
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if ((channel_num != 1) && (channel_num != 2)) {
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printf("mtc digin: invalid parameter - must be '1' or '2'\n");
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return -1;
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}
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_GET_VIM;
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pcmd.user_out = user_out;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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if (!err) {
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/* function returns '0' when digin is on */
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err = (prx.input & channel_num) ? 0 : 1;
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}
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return err;
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}
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static int do_mtc_appreg(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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char buf[5];
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uchar appreg;
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/* read appreg */
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_WD_PARA;
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pcmd.cmd_val0 = 5; /* max. Count */
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pcmd.cmd_val1 = 5; /* max. Time */
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pcmd.cmd_val2 = 0; /* =0 means read appreg */
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pcmd.user_out = user_out;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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/* on success decide between read or write */
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if (!err) {
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if (argc == 2) {
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appreg = simple_strtol(argv[1], NULL, 10);
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if (appreg == 0) {
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printf("mtc appreg: invalid parameter - "
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"must be between 1 and 255\n");
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return -1;
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}
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memset(&pcmd, 0, sizeof(pcmd));
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pcmd.cmd = CMD_WD_PARA;
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pcmd.cmd_val0 = prx.ack3; /* max. Count */
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pcmd.cmd_val1 = prx.ack0; /* max. Time */
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pcmd.cmd_val2 = appreg; /* !=0 means write appreg */
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pcmd.user_out = user_out;
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memset(&prx, 0, sizeof(prx));
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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} else {
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sprintf(buf, "%d", prx.ack2);
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setenv("appreg", buf);
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}
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}
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return err;
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}
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static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_FW_VERSION;
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pcmd.user_out = user_out;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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if (!err) {
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printf("FW V%d.%d.%d / HW %d\n",
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prx.ack0, prx.ack1, prx.ack3, prx.ack2);
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}
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return err;
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}
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static int do_mtc_state(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_WD_WDSTATE;
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pcmd.cmd_val2 = 1;
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pcmd.user_out = user_out;
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mtc_calculate_checksum(&pcmd);
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err = msp430_xfer(&pcmd, &prx);
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if (!err) {
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printf("State %02Xh\n", prx.state);
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printf("Input %02Xh\n", prx.input);
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printf("UserWD %02Xh\n", prx.ack2);
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printf("Sys WD %02Xh\n", prx.ack3);
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printf("WD Timout %02Xh\n", prx.ack0);
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printf("eSysState %02Xh\n", prx.ack1);
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}
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return err;
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}
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static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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cmd_tbl_t cmd_mtc_sub[] = {
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U_BOOT_CMD_MKENT(led, 3, 1, do_mtc_led,
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"set state of leds",
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"[ledname] [state] [blink]\n"
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" - lednames: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
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" - state: off red green orange\n"
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" - blink: blink interval in 100ms steps (1 - 10; 0 = static)\n"),
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U_BOOT_CMD_MKENT(key, 0, 1, do_mtc_key,
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"returns state of user key", ""),
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U_BOOT_CMD_MKENT(version, 0, 1, do_mtc_version,
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"returns firmware version of supervisor uC", ""),
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U_BOOT_CMD_MKENT(appreg, 1, 1, do_mtc_appreg,
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"reads or writes appreg value and stores in environment "
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"variable 'appreg'",
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"[value] - value (1 - 255) to write to appreg"),
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U_BOOT_CMD_MKENT(digin, 1, 1, do_mtc_digin,
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"returns state of digital input",
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"<channel_num> - get state of digital input (1 or 2)\n"),
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U_BOOT_CMD_MKENT(digout, 2, 1, do_mtc_digout,
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"sets digital outputs",
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"<on|off> <on|off>- set state of digital output 1 and 2\n"),
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U_BOOT_CMD_MKENT(state, 0, 1, do_mtc_state,
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"displays state", ""),
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U_BOOT_CMD_MKENT(help, 4, 1, do_mtc_help, "get help",
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"[command] - get help for command\n"),
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};
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static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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extern int _do_help(cmd_tbl_t *cmd_start, int cmd_items,
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cmd_tbl_t *cmdtp, int flag,
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int argc, char * const argv[]);
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#ifdef CONFIG_SYS_LONGHELP
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puts("mtc ");
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#endif
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return _do_help(&cmd_mtc_sub[0],
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ARRAY_SIZE(cmd_mtc_sub), cmdtp, flag, argc, argv);
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}
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int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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cmd_tbl_t *c;
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int err = 0;
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c = find_cmd_tbl(argv[1], &cmd_mtc_sub[0], ARRAY_SIZE(cmd_mtc_sub));
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if (c) {
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argc--;
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argv++;
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return c->cmd(c, flag, argc, argv);
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} else {
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/* Unrecognized command */
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return cmd_usage(cmdtp);
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}
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return err;
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}
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U_BOOT_CMD(mtc, 5, 1, cmd_mtc,
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"special commands for digsyMTC",
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"[subcommand] [args...]\n"
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"Subcommands list:\n"
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"led [ledname] [state] [blink] - set state of leds\n"
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" [ledname]: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
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" [state]: off red green orange\n"
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" [blink]: blink interval in 100ms steps (1 - 10; 0 = static)\n"
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"key - returns state of user key\n"
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"version - returns firmware version of supervisor uC\n"
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"appreg [value] - reads (in environment variable 'appreg') or writes"
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" appreg value\n"
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" [value]: value (1 - 255) to write to appreg\n"
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"digin [channel] - returns state of digital input (1 or 2)\n"
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"digout <on|off> <on|off> - sets state of two digital outputs\n"
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"state - displays state\n"
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"help [subcommand] - get help for subcommand\n"
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);
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