Commit 353f6a77 authored by Jagan Teki's avatar Jagan Teki Committed by Jagan Teki

spi: Zap mpc52xx_spi.c, config and related code

armada100_spi.c, related config options and related codes
are zapping becuase of "no DM conversion".

Cc: Werner Pfister <Pfister_Werner@intercontrol.de>
Signed-off-by: default avatarJagan Teki <jagan@openedev.com>
Reviewed-by: default avatarTom Rini <trini@konsulko.com>
parent 4cf5c5f1
......@@ -4,5 +4,5 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := digsy_mtc.o cmd_mtc.o
obj-y := digsy_mtc.o
obj-$(CONFIG_VIDEO) += cmd_disp.o
/*
* (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"
);
/*
* (C) Copyright 2009
* Werner Pfister <Pfister_Werner@intercontrol.de>
*
* (C) Copyright 2009 Semihalf, Grzegorz Bernacki
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef CMD_MTC_H
#define CMD_MTC_H
#define CMD_WD_PARA 0x02
#define CMD_WD_WDSTATE 0x04
#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
......@@ -250,9 +250,6 @@ static inline void exbo_hw_init(void) {}
int board_early_init_r(void)
{
#ifdef CONFIG_MPC52XX_SPI
struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt*)MPC5XXX_GPT;
#endif
/*
* Now, when we are in RAM, enable flash write access for detection
* process. Note that CS_BOOT cannot be cleared when executing in
......@@ -269,12 +266,6 @@ int board_early_init_r(void)
/* Low level USB init, required for proper kernel operation */
usb_cpu_init();
#endif
#ifdef CONFIG_MPC52XX_SPI
/* GPT 6 Output Enable */
out_be32(&gpt[6].emsr, 0x00000034);
/* GPT 7 Output Enable */
out_be32(&gpt[7].emsr, 0x00000034);
#endif
return (0);
}
......
......@@ -13,7 +13,6 @@ CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
CONFIG_AUTOBOOT_DELAY_STR="d"
CONFIG_AUTOBOOT_STOP_STR=" "
CONFIG_LOOPW=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
......
......@@ -11,7 +11,6 @@ CONFIG_AUTOBOOT_KEYED=y
CONFIG_AUTOBOOT_PROMPT="autoboot in %d seconds\n"
CONFIG_AUTOBOOT_DELAY_STR=" "
CONFIG_LOOPW=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
......
......@@ -13,7 +13,6 @@ CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
CONFIG_AUTOBOOT_DELAY_STR="d"
CONFIG_AUTOBOOT_STOP_STR=" "
CONFIG_LOOPW=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
......
......@@ -13,7 +13,6 @@ CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
CONFIG_AUTOBOOT_DELAY_STR="d"
CONFIG_AUTOBOOT_STOP_STR=" "
CONFIG_LOOPW=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
......
......@@ -35,7 +35,6 @@ obj-$(CONFIG_FSL_QSPI) += fsl_qspi.o
obj-$(CONFIG_ICH_SPI) += ich.o
obj-$(CONFIG_KIRKWOOD_SPI) += kirkwood_spi.o
obj-$(CONFIG_LPC32XX_SSP) += lpc32xx_ssp.o
obj-$(CONFIG_MPC52XX_SPI) += mpc52xx_spi.o
obj-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o
obj-$(CONFIG_MVEBU_A3700_SPI) += mvebu_a3700_spi.o
obj-$(CONFIG_MXC_SPI) += mxc_spi.o
......
/*
* (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;
}
......@@ -215,12 +215,6 @@
#define CONFIG_BOOTCOMMAND "run mtcb_start"
/*
* SPI configuration
*/
#define CONFIG_HARD_SPI 1
#define CONFIG_MPC52XX_SPI 1
/*
* I2C configuration
*/
......
......@@ -3095,7 +3095,6 @@ CONFIG_MPC5121ADS_REV2
CONFIG_MPC512x_FEC
CONFIG_MPC5200
CONFIG_MPC5200_DDR
CONFIG_MPC52XX_SPI
CONFIG_MPC555
CONFIG_MPC5xxx_FEC
CONFIG_MPC5xxx_FEC_MII10
......
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