+++ /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"
-);
+++ /dev/null
-/*
- * (C) Copyright 2009
- * Frank Bodammer <frank.bodammer@gcd-solutions.de>
- * (C) Copyright 2009 Semihalf, Grzegorz Bernacki
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <malloc.h>
-#include <spi.h>
-#include <mpc5xxx.h>
-
-void spi_init(void)
-{
- struct mpc5xxx_spi *spi = (struct mpc5xxx_spi *)MPC5XXX_SPI;
- /*
- * Its important to use the correct order when initializing the
- * registers
- */
- out_8(&spi->ddr, 0x0F); /* set all SPI pins as output */
- out_8(&spi->pdr, 0x00); /* set SS low */
- /* SPI is master, SS is general purpose output */
- out_8(&spi->cr1, SPI_CR_MSTR | SPI_CR_SPE);
- out_8(&spi->cr2, 0x00); /* normal operation */
- out_8(&spi->brr, 0x77); /* baud rate: IPB clock / 2048 */
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- struct spi_slave *slave;
-
- slave = spi_alloc_slave_base(bus, cs);
- if (!slave)
- return NULL;
-
- return slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- free(slave);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
- return;
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
- void *din, unsigned long flags)
-{
- struct mpc5xxx_spi *spi = (struct mpc5xxx_spi *)MPC5XXX_SPI;
- int i, iter = bitlen >> 3;
- const uchar *txp = dout;
- uchar *rxp = din;
-
- debug("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n",
- slave->bus, slave->cs, *(uint *) dout, *(uint *) din, bitlen);
-
- if (flags & SPI_XFER_BEGIN)
- setbits_8(&spi->pdr, SPI_PDR_SS);
-
- for (i = 0; i < iter; i++) {
- udelay(1000);
- debug("spi_xfer: sending %x\n", txp[i]);
- out_8(&spi->dr, txp[i]);
- while (!(in_8(&spi->sr) & SPI_SR_SPIF)) {
- udelay(1000);
- if (in_8(&spi->sr) & SPI_SR_WCOL) {
- rxp[i] = in_8(&spi->dr);
- puts("spi_xfer: write collision\n");
- return -1;
- }
- }
- rxp[i] = in_8(&spi->dr);
- debug("spi_xfer: received %x\n", rxp[i]);
- }
- if (flags & SPI_XFER_END)
- clrbits_8(&spi->pdr, SPI_PDR_SS);
-
- return 0;
-}
projects / u-boot / commitdiff