--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Werner Pfister <Pfister_Werner@intercontrol.de>
+ *
+ * (C) Copyright 2009 Semihalf, Grzegorz Bernacki
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <mpc5xxx.h>
+#include "spi.h"
+#include "cmd_mtc.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static uchar user_out;
+
+static const char *led_names[] = {
+ "diag",
+ "can1",
+ "can2",
+ "can3",
+ "can4",
+ "usbpwr",
+ "usbbusy",
+ "user1",
+ "user2",
+ ""
+};
+
+static int msp430_xfer(const void *dout, void *din)
+{
+ int err;
+
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, dout, din,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+
+ /* The MSP chip needs time to ready itself for the next command */
+ udelay(1000);
+
+ return err;
+}
+
+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 * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+ int i;
+
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
+ 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;
+
+ pcmd.user_out = user_out;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ return err;
+}
+
+static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_GET_VIM;
+ pcmd.user_out = user_out;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ 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 * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+ uchar channel_mask = 0;
+
+ if (argc < 3)
+ return cmd_usage(cmdtp);
+
+ 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;
+ user_out = channel_mask;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ return err;
+}
+
+static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+ uchar channel_num = 0;
+
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
+ 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;
+ pcmd.user_out = user_out;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ 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 * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+ char buf[5];
+ uchar appreg;
+
+ /* 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 */
+ pcmd.user_out = user_out;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ /* on success decide between read or write */
+ if (!err) {
+ if (argc == 2) {
+ appreg = simple_strtol(argv[1], NULL, 10);
+ if (appreg == 0) {
+ printf("mtc appreg: invalid parameter - "
+ "must be between 1 and 255\n");
+ return -1;
+ }
+ memset(&pcmd, 0, sizeof(pcmd));
+ pcmd.cmd = CMD_WD_PARA;
+ pcmd.cmd_val0 = prx.ack3; /* max. Count */
+ pcmd.cmd_val1 = prx.ack0; /* max. Time */
+ pcmd.cmd_val2 = appreg; /* !=0 means write appreg */
+ pcmd.user_out = user_out;
+ memset(&prx, 0, sizeof(prx));
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+ } else {
+ sprintf(buf, "%d", prx.ack2);
+ setenv("appreg", buf);
+ }
+ }
+
+ return err;
+}
+
+static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_FW_VERSION;
+ pcmd.user_out = user_out;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ 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_state(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_WD_WDSTATE;
+ pcmd.cmd_val2 = 1;
+ pcmd.user_out = user_out;
+
+ mtc_calculate_checksum(&pcmd);
+ err = msp430_xfer(&pcmd, &prx);
+
+ if (!err) {
+ printf("State %02Xh\n", prx.state);
+ printf("Input %02Xh\n", prx.input);
+ printf("UserWD %02Xh\n", prx.ack2);
+ printf("Sys WD %02Xh\n", prx.ack3);
+ printf("WD Timout %02Xh\n", prx.ack0);
+ printf("eSysState %02Xh\n", prx.ack1);
+ }
+
+ return err;
+}
+
+static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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", ""),
+ U_BOOT_CMD_MKENT(version, 0, 1, do_mtc_version,
+ "returns firmware version of supervisor uC", ""),
+ U_BOOT_CMD_MKENT(appreg, 1, 1, do_mtc_appreg,
+ "reads or writes appreg value and stores in environment "
+ "variable 'appreg'",
+ "[value] - value (1 - 255) to write to appreg"),
+ 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(state, 0, 1, do_mtc_state,
+ "displays state", ""),
+ 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 * const argv[])
+{
+ extern int _do_help(cmd_tbl_t *cmd_start, int cmd_items,
+ cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[]);
+#ifdef CONFIG_SYS_LONGHELP
+ puts("mtc ");
+#endif
+ return _do_help(&cmd_mtc_sub[0],
+ ARRAY_SIZE(cmd_mtc_sub), cmdtp, flag, argc, argv);
+}
+
+int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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 */
+ return cmd_usage(cmdtp);
+ }
+
+ return err;
+}
+
+U_BOOT_CMD(mtc, 5, 1, cmd_mtc,
+ "special commands for digsyMTC",
+ "[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 [value] - reads (in environment variable 'appreg') or writes"
+ " appreg value\n"
+ " [value]: value (1 - 255) to write to 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"
+ "state - displays state\n"
+ "help [subcommand] - get help for subcommand\n"
+);
Code Review / kvmfornfv.git / blobdiff