Commit 12304871 authored by Grzegorz Bernacki's avatar Grzegorz Bernacki Committed by Wolfgang Denk
Browse files

digsy MTC: Add 'mtc' command.



New command allows to:
     o check FW version
     o set LED status
     o set digital output status
     o get digital input status
Signed-off-by: default avatarGrzegorz Bernacki <gjb@semihalf.com>
parent f1f66edf
......@@ -7,7 +7,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
COBJS := $(BOARD).o cmd_mtc.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
......
/*
* (C) Copyright 2009
* Werner Pfister <Pfister_Werner@intercontrol.de>
*
* (C) Copyright 2009 Semihalf, Grzegorz Bernacki
*
* 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 <mpc5xxx.h>
#include "spi.h"
#include "cmd_mtc.h"
DECLARE_GLOBAL_DATA_PTR;
static const char *led_names[] = {
"diag",
"can1",
"can2",
"can3",
"can4",
"usbpwr",
"usbbusy",
"user1",
"user2",
""
};
static void mtc_calculate_checksum(tx_msp_cmd *packet)
{
int i;
uchar *buff;
buff = (uchar *) packet;
for (i = 0; i < 6; i++)
packet->cks += buff[i];
}
static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
tx_msp_cmd pcmd;
rx_msp_cmd prx;
int err = 0;
int i;
if (argc < 2) {
cmd_usage(cmdtp);
return -1;
}
memset(&pcmd, 0, sizeof(pcmd));
memset(&prx, 0, sizeof(prx));
pcmd.cmd = CMD_SET_LED;
pcmd.cmd_val0 = 0xff;
for (i = 0; strlen(led_names[i]) != 0; i++) {
if (strncmp(argv[1], led_names[i], strlen(led_names[i])) == 0) {
pcmd.cmd_val0 = i;
break;
}
}
if (pcmd.cmd_val0 == 0xff) {
printf("Usage:\n%s\n", cmdtp->help);
return -1;
}
if (argc >= 3) {
if (strncmp(argv[2], "red", 3) == 0)
pcmd.cmd_val1 = 1;
else if (strncmp(argv[2], "green", 5) == 0)
pcmd.cmd_val1 = 2;
else if (strncmp(argv[2], "orange", 6) == 0)
pcmd.cmd_val1 = 3;
else
pcmd.cmd_val1 = 0;
}
if (argc >= 4)
pcmd.cmd_val2 = simple_strtol(argv[3], NULL, 10);
else
pcmd.cmd_val2 = 0;
mtc_calculate_checksum(&pcmd);
err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
SPI_XFER_BEGIN | SPI_XFER_END);
return err;
}
static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
tx_msp_cmd pcmd;
rx_msp_cmd prx;
int err = 0;
memset(&pcmd, 0, sizeof(pcmd));
memset(&prx, 0, sizeof(prx));
pcmd.cmd = CMD_GET_VIM;
mtc_calculate_checksum(&pcmd);
err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
SPI_XFER_BEGIN | SPI_XFER_END);
if (!err) {
/* function returns '0' if key is pressed */
err = (prx.input & 0x80) ? 0 : 1;
}
return err;
}
static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
tx_msp_cmd pcmd;
rx_msp_cmd prx;
int err = 0;
uchar channel_mask = 0;
if (argc < 3) {
cmd_usage(cmdtp);
return -1;
}
if (strncmp(argv[1], "on", 2) == 0)
channel_mask |= 1;
if (strncmp(argv[2], "on", 2) == 0)
channel_mask |= 2;
memset(&pcmd, 0, sizeof(pcmd));
memset(&prx, 0, sizeof(prx));
pcmd.cmd = CMD_GET_VIM;
pcmd.user_out = channel_mask;
mtc_calculate_checksum(&pcmd);
err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
SPI_XFER_BEGIN | SPI_XFER_END);
return err;
}
static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
tx_msp_cmd pcmd;
rx_msp_cmd prx;
int err = 0;
uchar channel_num = 0;
if (argc < 2) {
cmd_usage(cmdtp);
return -1;
}
channel_num = simple_strtol(argv[1], NULL, 10);
if ((channel_num != 1) && (channel_num != 2)) {
printf("mtc digin: invalid parameter - must be '1' or '2'\n");
return -1;
}
memset(&pcmd, 0, sizeof(pcmd));
memset(&prx, 0, sizeof(prx));
pcmd.cmd = CMD_GET_VIM;
mtc_calculate_checksum(&pcmd);
err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
SPI_XFER_BEGIN | SPI_XFER_END);
if (!err) {
/* function returns '0' when digin is on */
err = (prx.input & channel_num) ? 0 : 1;
}
return err;
}
static int do_mtc_appreg(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
tx_msp_cmd pcmd;
rx_msp_cmd prx;
int err;
char buf[5];
/* read appreg */
memset(&pcmd, 0, sizeof(pcmd));
memset(&prx, 0, sizeof(prx));
pcmd.cmd = CMD_WD_PARA;
pcmd.cmd_val0 = 5; /* max. Count */
pcmd.cmd_val1 = 5; /* max. Time */
pcmd.cmd_val2 = 0; /* =0 means read appreg */
mtc_calculate_checksum(&pcmd);
err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
SPI_XFER_BEGIN | SPI_XFER_END);
if (!err) {
sprintf(buf, "%d", prx.ack2);
setenv("appreg", buf);
}
return err;
}
static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
tx_msp_cmd pcmd;
rx_msp_cmd prx;
int err = 0;
memset(&pcmd, 0, sizeof(pcmd));
memset(&prx, 0, sizeof(prx));
pcmd.cmd = CMD_FW_VERSION;
mtc_calculate_checksum(&pcmd);
err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
SPI_XFER_BEGIN | SPI_XFER_END);
if (!err) {
printf("FW V%d.%d.%d / HW %d\n",
prx.ack0, prx.ack1, prx.ack3, prx.ack2);
}
return err;
}
static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
cmd_tbl_t cmd_mtc_sub[] = {
U_BOOT_CMD_MKENT(led, 3, 1, do_mtc_led,
"set state of leds",
"[ledname] [state] [blink]\n"
" - lednames: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
" - state: off red green orange\n"
" - blink: blink interval in 100ms steps (1 - 10; 0 = static)\n"),
U_BOOT_CMD_MKENT(key, 0, 1, do_mtc_key,
"returns state of user key\n", ""),
U_BOOT_CMD_MKENT(version, 0, 1, do_mtc_version,
"returns firmware version of supervisor uC\n", ""),
U_BOOT_CMD_MKENT(appreg, 0, 1, do_mtc_appreg,
"reads appreg value and stores in environment variable 'appreg'\n", ""),
U_BOOT_CMD_MKENT(digin, 1, 1, do_mtc_digin,
"returns state of digital input",
"<channel_num> - get state of digital input (1 or 2)\n"),
U_BOOT_CMD_MKENT(digout, 2, 1, do_mtc_digout,
"sets digital outputs",
"<on|off> <on|off>- set state of digital output 1 and 2\n"),
U_BOOT_CMD_MKENT(help, 4, 1, do_mtc_help, "get help",
"[command] - get help for command\n"),
};
static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
extern int _do_help(cmd_tbl_t *cmd_start, int cmd_items,
cmd_tbl_t *cmdtp, int flag,
int argc, char *argv[]);
#ifdef CONFIG_SYS_LONGHELP
puts("mtc ");
#endif
return _do_help(&cmd_mtc_sub[0],
ARRAY_SIZE(cmd_mtc_sub), cmdtp, flag, argc, argv);
}
/* Relocate the command table function pointers when running in RAM */
int mtc_cmd_init_r(void)
{
cmd_tbl_t *cmdtp;
for (cmdtp = &cmd_mtc_sub[0]; cmdtp !=
&cmd_mtc_sub[ARRAY_SIZE(cmd_mtc_sub)]; cmdtp++) {
ulong addr;
addr = (ulong)(cmdtp->cmd) + gd->reloc_off;
cmdtp->cmd =
(int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
addr = (ulong)(cmdtp->name) + gd->reloc_off;
cmdtp->name = (char *)addr;
if (cmdtp->usage) {
addr = (ulong)(cmdtp->usage) + gd->reloc_off;
cmdtp->usage = (char *)addr;
}
#ifdef CONFIG_SYS_LONGHELP
if (cmdtp->help) {
addr = (ulong)(cmdtp->help) + gd->reloc_off;
cmdtp->help = (char *)addr;
}
#endif
}
return 0;
}
int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
cmd_tbl_t *c;
int err = 0;
c = find_cmd_tbl(argv[1], &cmd_mtc_sub[0], ARRAY_SIZE(cmd_mtc_sub));
if (c) {
argc--;
argv++;
return c->cmd(c, flag, argc, argv);
} else {
/* Unrecognized command */
cmd_usage(cmdtp);
return 1;
}
return err;
}
U_BOOT_CMD(mtc, 5, 1, cmd_mtc,
"mtc - special commands for digsyMTC\n",
"[subcommand] [args...]\n"
"Subcommands list:\n"
"led [ledname] [state] [blink] - set state of leds\n"
" [ledname]: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
" [state]: off red green orange\n"
" [blink]: blink interval in 100ms steps (1 - 10; 0 = static)\n"
"key - returns state of user key\n"
"version - returns firmware version of supervisor uC\n"
"appreg - reads appreg value and stores in environment variable"
" 'appreg'\n"
"digin [channel] - returns state of digital input (1 or 2)\n"
"digout <on|off> <on|off> - sets state of two digital outputs\n"
"help [subcommand] - get help for subcommand\n");
/*
* (C) Copyright 2009
* Werner Pfister <Pfister_Werner@intercontrol.de>
*
* (C) Copyright 2009 Semihalf, Grzegorz Bernacki
*
* 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
*/
#ifndef CMD_MTC_H
#define CMD_MTC_H
#define CMD_WD_PARA 0x02
#define CMD_FW_VERSION 0x10
#define CMD_GET_VIM 0x30
#define CMD_SET_LED 0x40
typedef struct {
u8 cmd;
u8 sys_in;
u8 cmd_val0;
u8 cmd_val1;
u8 cmd_val2;
u8 user_out;
u8 cks;
u8 dummy1;
u8 dummy2;
} tx_msp_cmd;
typedef struct {
u8 input;
u8 state;
u8 ack2;
u8 ack3;
u8 ack0;
u8 ack1;
u8 ack;
u8 dummy;
u8 cks;
} rx_msp_cmd;
#define MTC_TRANSFER_SIZE (sizeof(tx_msp_cmd) * 8)
#endif
......@@ -240,6 +240,7 @@ void board_get_enetaddr (uchar * enet)
int misc_init_r(void)
{
extern int mtc_cmd_init_r (void);
uchar enetaddr[6];
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
......@@ -247,6 +248,7 @@ int misc_init_r(void)
eth_setenv_enetaddr("ethaddr", enetaddr);
}
mtc_cmd_init_r();
return 0;
}
......
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