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omapconf.c
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/*
*
* @Component OMAPCONF
* @Filename omapconf.c
* @Description omapconf main entry file
* @Author Patrick Titiano ([email protected])
* @Date 2010
* @Copyright Texas Instruments Incorporated
*
*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <ctype.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <lib.h>
#include <lib44xx.h>
#include <main44xx.h>
#include <main54xx.h>
#include <dpll54xx.h>
#include <lib_android.h>
#include <i2c-tools.h>
#include <help.h>
#include <autoadjust_table.h>
#include <cpuinfo.h>
#include <signal.h>
#include <mem.h>
#include <lib54xx.h>
#include <trace.h>
/* #define DEBUG */
#ifdef DEBUG
/* #define OMAPCONF_READREG_DEBUG */
/* #define OMAPCONF_WRITEREG_DEBUG */
/* #define OMAPCONF_CLEARBIT_DEBUG */
/* #define OMAPCONF_SETBIT_DEBUG */
/* #define OMAPCONF_FIND_REG_ADDR_DEBUG */
/* #define OMAPCONF_ADDRESS_IN_VALID_RANGE_DEBUG */
#define dprintf(format, ...) printf(format, ## __VA_ARGS__)
#else
#define dprintf(format, ...)
#endif
static unsigned short cpu_found;
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_readreg
* @BRIEF read OMAP register
* @RETURNS 0 in case of success
* -1 in case of incorrect register name/address
* -2 in case of incorrect format
* @param[in] reg_addr: register address
* can be hex value (with mandatory '0x' prefix) or name
* @param[in] val_format: value output format
* can be "hex", "bin" or "dec"
* @DESCRIPTION read OMAP register
*//*------------------------------------------------------------------------ */
static int main_readreg(const char *reg_addr, const char *val_format)
{
int ret = 0;
unsigned int value, addr;
char value_bin[33] = ""; /* 32 digits + '\0' */
char name[OMAPCONF_REG_NAME_MAX_LENGTH + 1] = "";
unsigned char by_name = 0;
#ifdef OMAPCONF_READREG_DEBUG
printf("%s(): reg_addr=%s\n", __func__, reg_addr);
#endif
/* Retrieve and check register address */
if ((reg_addr[0] == '0') && (reg_addr[1] == 'X')) {
/* As an integer, must start with "0x" */
ret = sscanf(reg_addr, "0X%x", &addr);
if (ret != 1) {
#ifdef OMAPCONF_READREG_DEBUG
printf("%s(): could not retrieve integer value\n",
__func__);
#endif
fprintf(stderr, "register address not recognized!\n");
return -1;
}
} else {
/* As a string, must start with alpha character */
if (isalpha(reg_addr[0])) {
ret = sscanf(reg_addr, "%50s", (char *) name);
if (ret != 1) {
#ifdef OMAPCONF_READREG_DEBUG
printf("%s(): could not retrieve name\n",
__func__);
#endif
fprintf(stderr,
"register name not recognized!\n");
return -1;
} else
by_name = 1;
} else {
fprintf(stderr,
"register name/address not recognized!\n");
return -1;
}
}
#ifdef OMAPCONF_READREG_DEBUG
if (by_name)
printf("%s(): found reg_addr = %s\n", __func__, name);
else
printf("%s(): found reg_addr = 0x%08X\n", __func__, addr);
#endif
/*
* If reg. name was entered, check name is valid and retrieve reg. addr.
*/
if (by_name == 1) {
ret = find_reg_addr((char *) name, &addr);
if (ret != 0) {
fprintf(stderr, "not a valid register name!\n");
return -1;
}
#ifdef OMAPCONF_READREG_DEBUG
else
printf("%s(): reg. addr. found. (0x%08X)\n",
__func__, addr);
#endif
}
/* Check data format is valid */
if ((strcmp(val_format, "hex") != 0) &&
(strcmp(val_format, "bin") != 0) &&
(strcmp(val_format, "dec") != 0)) {
fprintf(stderr, "not a valid format! (%s)\n", val_format);
return -2;
}
/* Reaching this point means arguments OK */
#ifdef OMAPCONF_READREG_DEBUG
printf("%s(): addr=%x\n", __func__, addr);
printf("%s(): name=%s\n", __func__, name);
printf("%s(): format=%s\n", __func__, val_format);
printf("%s(): ret=%d\n", __func__, ret);
#endif
/* Read OMAP register */
ret = mem_read(addr, &value);
if (ret != 0) {
fprintf(stderr, "internal error (failed to read)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
/* Display value in selected format */
if (strcmp(val_format, "hex") == 0) {
printf("%08X\n", value);
} else if (strcmp(val_format, "bin") == 0) {
/* compiler does not understand %b, so do it manually */
/* printf("%b\n", value); */
printf("%s\n", bin2str_32(value_bin, value));
} else {
/* val_format == "dec" */
printf("%d\n", value);
}
return 0;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_writereg
* @BRIEF write into OMAP register
* @RETURNS 0 in case of success
* -1 in case of incorrect register name/address
* -2 in case of incorrect format
* @param[in] reg_addr: register address
* can be hex value (with mandatory'0x' prefix) or name
* @param[in] reg_val: value to be written into reg_addr
* @DESCRIPTION write into OMAP register
*//*------------------------------------------------------------------------ */
static int main_writereg(const char *reg_addr, const char *reg_val)
{
int ret = 0;
unsigned int value, addr;
char name[OMAPCONF_REG_NAME_MAX_LENGTH + 1] = "";
unsigned char by_name = 0;
#ifdef OMAPCONF_WRITEREG_DEBUG
printf("%s(): reg_addr=%s\n", __func__, reg_addr);
printf("%s(): reg_val=%s\n", __func__, reg_val);
#endif
/* Retrieve and check register address */
if ((reg_addr[0] == '0') && (reg_addr[1] == 'X')) {
/* As an integer, must start with "0x" */
ret = sscanf(reg_addr, "0X%x", &addr);
if (ret != 1) {
#ifdef OMAPCONF_WRITEREG_DEBUG
printf("%s(): could not retrieve integer value\n",
__func__);
#endif
fprintf(stderr,
"register address not recognized!\n");
return -1;
}
} else {
/* As a string, must start with alpha character */
if (isalpha(reg_addr[0])) {
ret = sscanf(reg_addr, "%50s", (char *) name);
if (ret != 1) {
#ifdef OMAPCONF_WRITEREG_DEBUG
printf("(): could not retrieve name\n",
__func__);
#endif
fprintf(stderr,
"register name not recognized!\n");
return -1;
} else
by_name = 1;
} else {
fprintf(stderr,
"register name/address not recognized!\n");
return -1;
}
}
#ifdef OMAPCONF_WRITEREG_DEBUG
if (by_name)
printf("%s(): found reg_addr = %s\n", __func__, name);
else
printf("%s(): found reg_addr = 0x%08X\n", __func__, addr);
#endif
/*
* If reg. name was entered, check name is valid and retrieve reg. addr.
*/
if (by_name == 1) {
ret = find_reg_addr((char *) name, &addr);
if (ret != 0) {
fprintf(stderr, "not a valid register name!\n");
return -1;
}
#ifdef OMAPCONF_WRITEREG_DEBUG
else
printf("%s(): reg. addr. found. (0x%08X)\n",
__func__, addr);
#endif
}
/* Retrieve and check value to be written into register */
if ((reg_val[0] == '0') && (reg_val[1] == 'X')) {
/* As an integer, must start with "0x" */
ret = sscanf(reg_val, "0X%x", &value);
if (ret != 1) {
#ifdef OMAPCONF_WRITEREG_DEBUG
printf("%s(): could not retrieve integer value\n",
__func__);
#endif
fprintf(stderr,
"register address not recognized!\n");
return -2;
}
} else {
fprintf(stderr,
"value to be written not recognized!\n");
return -2;
}
#ifdef OMAPCONF_WRITEREG_DEBUG
printf("%s(): found value = 0x%08X\n", __func__, value);
#endif
/* Reaching this point means arguments OK */
#ifdef OMAPCONF_WRITEREG_DEBUG
printf("%s(): addr=0x%x\n", __func__, addr);
printf("%s(): name=%s\n", __func__, name);
printf("%s(): value=0x%x\n", __func__, value);
printf("%s(): ret=%d\n", __func__, ret);
#endif
/* Write OMAP register */
ret = mem_write(addr, value);
if (ret != 0) {
fprintf(stderr, "internal error (failed to write)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
return ret;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_clearbit
* @BRIEF clear given bit into OMAP register
* @RETURNS 0 in case of success
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_REG_ACCESS
* @param[in] argc: shell input argument number
* @param[in] argv: shell input argument(s)
* @DESCRIPTION clear given bit into OMAP register
*//*------------------------------------------------------------------------ */
static int main_clearbit(int argc, char *argv[])
{
int ret = 0;
unsigned int pos, value, value2, addr;
char name[OMAPCONF_REG_NAME_MAX_LENGTH + 1] = "";
unsigned char by_name = 0;
if (strcmp(argv[0], "clear") != 0)
goto main_clearbit_arg_err;
if (strcmp(argv[1], "bit") != 0)
goto main_clearbit_arg_err;
if (argc != 4)
goto main_clearbit_arg_err;
argv[2] = uppercase(argv[2]);
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): argv[0]=%s\n", __func__, argv[0]);
printf("%s(): argv[1]=%s\n", __func__, argv[1]);
printf("%s(): argv[2]=%s\n", __func__, argv[2]);
printf("%s(): argv[3]=%s\n", __func__, argv[3]);
#endif
/* Retrieve and check register address */
if ((argv[2][0] == '0') && (argv[2][1] == 'X')) {
/* As an integer, must start with "0x" */
ret = sscanf(argv[2], "0X%x", &addr);
if (ret != 1) {
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): could not retrieve integer value\n",
__func__);
#endif
goto main_clearbit_arg_err;
}
} else {
/* As a string, must start with alpha character */
if (isalpha(argv[2][0])) {
ret = sscanf(argv[2], "%72s", (char *) name);
if (ret != 1) {
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): could not retrieve name\n",
__func__);
#endif
goto main_clearbit_arg_err;
} else
by_name = 1;
} else {
goto main_clearbit_arg_err;
}
}
#ifdef OMAPCONF_CLEARBIT_DEBUG
if (by_name)
printf("%s(): found reg_addr = %s\n", __func__, name);
else
printf("%s(): found reg_addr = 0x%08X\n", __func__, addr);
#endif
/*
* If reg. name was entered, check name is valid and retrieve reg. addr.
*/
if (by_name == 1) {
ret = find_reg_addr((char *) name, &addr);
if (ret != 0) {
printf("Not a valid register name! (%s)\n", name);
return OMAPCONF_ERR_ARG;
}
#ifdef OMAPCONF_CLEARBIT_DEBUG
else
printf("%s(): reg. addr. found. (0x%08X)\n",
__func__, addr);
#endif
}
/* Retrieve and check bit position */
ret = sscanf(argv[3], "%u", &pos);
if (ret != 1) {
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): could not retrieve bit position\n",
__func__);
#endif
goto main_clearbit_arg_err;
}
if (pos >= 32) {
printf("Incorrect bit position! (%s)\n", argv[3]);
return OMAPCONF_ERR_ARG;
}
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): found position = %u\n", __func__, pos);
#endif
/* Reaching this point means arguments OK */
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): addr=0x%x\n", __func__, addr);
printf("%s(): name=%s\n", __func__, name);
printf("%s(): pos=%d\n", __func__, pos);
printf("%s(): ret=%d\n", __func__, ret);
#endif
/* Clear bit in OMAP register */
ret = mem_read(addr, &value);
if (ret != 0) {
fprintf(stderr, "internal error (failed to write)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
#ifdef OMAPCONF_CLEARBIT_DEBUG
printf("%s(): value=0x%x\n", __func__, value);
printf("%s(): 1<<pos=0x%x\n", __func__, 1 << pos);
printf("%s(): ~(1<<pos)=0x%x\n", __func__, ~(1 << pos));
printf("%s(): value & ~(1<<pos)=0x%x\n", __func__, value & ~(1 << pos));
#endif
ret = mem_write(addr, value & ~(1 << pos));
if (ret != 0) {
fprintf(stderr, "internal error (failed to write)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
ret = mem_read(addr, &value2);
if (ret != 0) {
fprintf(stderr, "internal error (failed to read back)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
printf("@0x%08X: 0x%08X ==> 0x%08X\n\n", addr, value, value2);
return ret;
main_clearbit_arg_err:
help(HELP_RW);
return 0;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_setbit
* @BRIEF set given bit into OMAP register
* @RETURNS 0 in case of success
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_REG_ACCESS
* @param[in] argc: shell input argument number
* @param[in] argv: shell input argument(s)
* @DESCRIPTION set given bit into OMAP register
*//*------------------------------------------------------------------------ */
static int main_setbit(int argc, char *argv[])
{
int ret = 0;
unsigned int pos, value, value2, addr;
char name[OMAPCONF_REG_NAME_MAX_LENGTH + 1] = "";
unsigned char by_name = 0;
if (strcmp(argv[0], "set") != 0)
goto main_setbit_arg_err;
if (strcmp(argv[1], "bit") != 0)
goto main_setbit_arg_err;
if (argc != 4)
goto main_setbit_arg_err;
argv[2] = uppercase(argv[2]);
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): argv[0]=%s\n", __func__, argv[0]);
printf("%s(): argv[1]=%s\n", __func__, argv[1]);
printf("%s(): argv[2]=%s\n", __func__, argv[2]);
printf("%s(): argv[3]=%s\n", __func__, argv[3]);
#endif
/* Retrieve and check register address */
if ((argv[2][0] == '0') && (argv[2][1] == 'X')) {
/* As an integer, must start with "0x" */
ret = sscanf(argv[2], "0X%x", &addr);
if (ret != 1) {
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): could not retrieve integer value\n",
__func__);
#endif
goto main_setbit_arg_err;
}
} else {
/* As a string, must start with alpha character */
if (isalpha(argv[2][0])) {
ret = sscanf(argv[2], "%72s", (char *) name);
if (ret != 1) {
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): could not retrieve name\n",
__func__);
#endif
goto main_setbit_arg_err;
} else
by_name = 1;
} else
goto main_setbit_arg_err;
}
#ifdef OMAPCONF_SETBIT_DEBUG
if (by_name)
printf("%s(): found reg_addr = %s\n", __func__, name);
else
printf("%s(): found reg_addr = 0x%08X\n", __func__, addr);
#endif
/*
* If reg. name was entered, check name is valid and retrieve reg. addr.
*/
if (by_name == 1) {
ret = find_reg_addr((char *) name, &addr);
if (ret != 0) {
printf("Not a valid register name! (%s)\n", name);
return OMAPCONF_ERR_ARG;
}
#ifdef OMAPCONF_SETBIT_DEBUG
else
printf("%s(): reg. addr. found. (0x%08X)\n",
__func__, addr);
#endif
}
/* Retrieve and check bit position */
ret = sscanf(argv[3], "%u", &pos);
if (ret != 1) {
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): could not retrieve bit position\n",
__func__);
#endif
goto main_setbit_arg_err;
}
if (pos > 31) {
printf("Incorrect bit position! (%s)\n", argv[3]);
return OMAPCONF_ERR_ARG;
}
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): found position = %u\n", __func__, pos);
#endif
/* Reaching this point means arguments OK */
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): addr=0x%x\n", __func__, addr);
printf("%s(): name=%s\n", __func__, name);
printf("%s(): pos=%d\n", __func__, pos);
printf("%s(): ret=%d\n", __func__, ret);
#endif
/* Set bit in OMAP register */
ret = mem_read(addr, &value);
if (ret != 0) {
fprintf(stderr, "internal error (failed to read)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
#ifdef OMAPCONF_SETBIT_DEBUG
printf("%s(): value = 0x%x\n", __func__, value);
printf("%s(): 1 << pos = 0x%x\n", __func__, 1 << pos);
printf("%s(): value | (1 << pos) = 0x%x\n",
__func__, value | (1 << pos));
#endif
ret = mem_write(addr, value | (1 << pos));
if (ret != 0) {
fprintf(stderr, "internal error (failed to write)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
ret = mem_read(addr, &value2);
if (ret != 0) {
fprintf(stderr, "internal error (failed to read back)!\n");
return OMAPCONF_ERR_REG_ACCESS;
}
printf("@0x%08X: 0x%08X ==> 0x%08X\n\n", addr, value, value2);
return ret;
main_setbit_arg_err:
help(HELP_RW);
return 0;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_i2c_read
* @BRIEF read given data from given address of given device of
* given I2C bus
* @RETURNS 0 in case of success
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_NOT_AVAILABLE
* OMAPCONF_ERR_REG_ACCESS
* @param[in] argc: shell input argument number
* argc must be 5
* @param[in] argv: shell input argument(s)
* argv[2] = i2cbus: I2C bus number
* argv[3] = address: I2C device address
* argv[4] = daddress: I2C device register address
* @DESCRIPTION read given data from given address of given device of
* given I2C bus
*//*------------------------------------------------------------------------ */
static int main_i2c_read(int argc, char *argv[])
{
unsigned int i2cbus, chip_address, data_address;
unsigned int data;
int ret;
CHECK_NULL_ARG(argv, OMAPCONF_ERR_ARG);
/* Retrieve arguments */
if (argc != 5)
goto main_i2c_read_err;
ret = sscanf(argv[2], "%u", &i2cbus);
if (ret != 1)
goto main_i2c_read_err;
ret = sscanf(argv[3], "0x%x", &chip_address);
if (ret != 1)
goto main_i2c_read_err;
ret = sscanf(argv[4], "0x%x", &data_address);
if (ret != 1)
goto main_i2c_read_err;
ret = i2cget(i2cbus, chip_address, data_address, &data);
if (ret == 0)
printf("0x%02x\n", data);
return ret;
main_i2c_read_err:
printf(
"Usage: omapconf i2c read 'i2cbus' 0x'chip-address' 0x'data-address'\n");
printf(" 'i2cbus' is decimal value.\n");
printf(" 'chip-address' & 'data-address' are hexadecimal values.\n");
printf(" Warning: prefix '0x' is mandatory.\n");
return OMAPCONF_ERR_ARG;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_i2c_write
* @BRIEF write given data at given address of given device of
* given I2C bus
* @RETURNS 0 in case of success
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_NOT_AVAILABLE
* OMAPCONF_ERR_REG_ACCESS
* @param[in] argc: shell input argument number
* argc must be 6
* @param[in] argv: shell input argument(s)
* argv[2] = i2cbus: I2C bus number
* argv[3] = address: I2C device address
* argv[4] = daddress: I2C device register address
* argv[5] = data: data to be written
* @DESCRIPTION write given data at given address of given device of
* given I2C bus
*//*------------------------------------------------------------------------ */
static int main_i2c_write(int argc, char *argv[])
{
unsigned int i2cbus, chip_address, data_address;
unsigned int data;
int ret;
if (argv == NULL) {
printf("%s(): argv == NULL!!!\n", __func__);
return OMAPCONF_ERR_ARG;
}
/* Retrieve arguments */
if (argc != 6)
goto main_i2c_write_err;
ret = sscanf(argv[2], "%u", &i2cbus);
if (ret != 1)
goto main_i2c_write_err;
ret = sscanf(argv[3], "0x%x", &chip_address);
if (ret != 1)
goto main_i2c_write_err;
ret = sscanf(argv[4], "0x%x", &data_address);
if (ret != 1)
goto main_i2c_write_err;
ret = sscanf(argv[5], "0x%x", &data);
if (ret != 1)
goto main_i2c_write_err;
ret = i2cset(i2cbus, chip_address, data_address, data);
return ret;
main_i2c_write_err:
printf(
"Usage: omapconf i2c write 'i2cbus' 0x'chip-address' 0x'data-address' 0x'data'\n");
printf(" 'i2cbus' is decimal value.\n");
printf(
" 'chip-address', 'data-address' & 'data' are hexadecimal values.\n");
printf(" Warning: prefix '0x' is mandatory.\n");
return OMAPCONF_ERR_ARG;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_sigbus_handler
* @BRIEF catch bus error and print failing memory physical
* address
* @DESCRIPTION catch bus error and print failing memory physical
* address
*//*------------------------------------------------------------------------ */
static void main_sigbus_handler(int sig, siginfo_t *siginfo, void *context)
{
/* just to remove "unused parameter" warnings ... */
sig = sig;
siginfo = siginfo;
context = context;
dprintf("%s(): sig=%d siginfo=0x%08X, context=0x%08X\n", __func__, sig,
(unsigned int) siginfo, (unsigned int) context);
fprintf(stderr, "\n\n!!! OUPS... MEMORY ERROR @ 0x%08X !!!\n",
mem_last_addr_get());
fprintf(stderr, "Are you sure that:\n");
fprintf(stderr, " MEMORY ADDRESS IS VALID?\n");
fprintf(stderr, " TARGETED MODULE IS CLOCKED?\n\n");
exit(-1);
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_arguments_lowercase
* @BRIEF make sure all user arguments are in lower case.
* @RETURNS none
* @param[in, out] argc: shell input argument number
* @param[in, out] argv: shell input argument(s)
* @DESCRIPTION make sure all user arguments are in lower case, so that
* case can be ignored further on.
*//*------------------------------------------------------------------------ */
static void main_arguments_lowercase(int argc, char *argv[])
{
int i;
for (i = 0; i < argc; i++) {
dprintf("%s(): Before: argv[%d] = '%s'\n",
__func__, argc, argv[i]);
lowercase(argv[i]);
dprintf("%s(): After: argv[%d] = '%s'\n",
__func__, argc, argv[i]);
}
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main_options_scan
* @BRIEF search for omapconf option(s) in argv and set it.
* Remove found option(s) from argv (by increasing argv
* pointer).
* @RETURNS >= 0 number of options found
* OMAPCONF_ERR_ARG
* @param[in, out] argc: shell input argument number
* @param[in, out] argv: shell input argument(s)
* @DESCRIPTION search for omapconf option(s) in argv and set it.
* Remove found option(s) from argv (by increasing argv
* pointer).
*//*------------------------------------------------------------------------ */
static int main_options_scan(int *argc, char **argv[])
{
int ret = 0, cpt = 0;
int i;
if (argc == NULL) {
fprintf(stderr, "%s(): argc == NULL!!!\n", __func__);
goto main_options_scan_err;
}
if (argv == NULL) {
fprintf(stderr, "%s(): argv == NULL!!!\n", __func__);
goto main_options_scan_err;
}
for (i = 0; i < *argc; i++) {
if (strcmp((*argv)[i], "--import") == 0) {
dprintf("%s(): found option \"--import\" at i=%u\n",
__func__, i);
if (i + 1 == *argc) {
/* missing import file name, abort */
omapconf_revision_show(stdout);
printf("Error: missing import file name!\n\n");
help(HELP_ALL);
goto main_options_scan_err;
}
if (!cpu_is_omap54xx()) {
printf(
"Sorry, only available for OMAP5...\n\n");
goto main_options_scan_err;
}
/* Import register content from file */
ret = lib54xx_import((*argv)[i + 1]);
if (ret != 0) {
omapconf_revision_show(stdout);
printf(
"Oups, error during import from \"%s\" :-(\n\n",
(*argv)[i + 1]);
goto main_options_scan_err;
} else {
printf(
"### Registers successfully imported from \"%s\" file. ###\n\n",
(*argv)[i + 1]);
}
cpt += 2;
ret++;
} else if (strcmp((*argv)[i], "--force") == 0) {
dprintf("%s(): found option \"--force\" at i=%u\n",
__func__, i);
if (i + 1 == *argc) {
/* missing forced cpu name, abort */
omapconf_revision_show(stdout);
printf("Error, missing forced CPU name!\n\n");
help(HELP_FORCEDETECT);
goto main_options_scan_err;
}
/* Force detection of selected CPU */
ret = cpu_force((*argv)[i + 1]);
if (ret != 0) {
omapconf_revision_show(stdout);
printf(
"\"%s\" CPU is not supported, see list of supported CPU below.\n\n",
(*argv)[i + 1]);
help(HELP_FORCEDETECT);
goto main_options_scan_err;
}
cpu_found = 1;
cpt += 2;
ret++;
} else if (strcmp((*argv)[i], "--norw") == 0) {
dprintf("%s(): found option \"--norw\" at i=%u\n",
__func__, i);
/* Enable fake memory access debug mode */
mem_fake_access_set(1);
printf(
"\n### FAKE MEMORY ACCESS DEBUG MODE ENABLED ###\n\n");
cpt++;
ret++;
}
}
/* "Remove" arguments from argv */
(*argc) -= cpt;
(*argv) += cpt;
goto main_options_scan_end;
main_options_scan_err:
ret = OMAPCONF_ERR_ARG;
main_options_scan_end:
dprintf("%s(): ret=%d\n", __func__, ret);
return ret;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION main
* @BRIEF main entry point
* @RETURNS 0 on success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_REG_ACCESS
* @param[in, out] argc: shell input argument number
* @param[in, out] argv: shell input argument(s)
* @DESCRIPTION main entry point
*//*------------------------------------------------------------------------ */
int main(int argc, char *argv[])
{
int ret;
struct sigaction act;
unsigned int start, end, time, delay;
double sampling_rate;
char *prefix;
char *cfgfile;
int c;
cpu_found = 0;
ret = 0;
/* Register signal handler in order to catch incorrect memory access. */
act.sa_sigaction = &main_sigbus_handler;
act.sa_flags = SA_SIGINFO;
sigaction(SIGBUS, &act, NULL);
/* Some of the omapconf functions do not support DEVICE OFF Mode,
* so by default acquire a wakelock if OS is Android.
*/
if (os_is_android())
wakelock_acquire();
/* To be case-insensitive, lowercase all arguments */
main_arguments_lowercase(argc, argv);
/* Scan user arguments for options */
argc--;
argv++;
ret = main_options_scan(&argc, &argv);
if (ret < 0)
goto main_exit;
if (!cpu_is_forced()) {
/* Detect CPU if not user-enforced */
ret = cpu_detect();
switch (ret) {
case 0:
cpu_found = 1;
break;
case OMAPCONF_ERR_REG_ACCESS:
omapconf_revision_show(stdout);
printf("'/dev/mem' could not be opened.\n");
printf(
"Privileged access required to run omapconf.\n\n");
ret = OMAPCONF_ERR_REG_ACCESS;
goto main_exit;
case OMAPCONF_ERR_CPU:
printf(
"Warning: chip not recognized, running in safe mode (only platform-generic functions allowed).\n\n");
break;
case OMAPCONF_ERR_UNEXPECTED:
default:
omapconf_revision_show(stdout);
printf("Unexpected error, sorry ... (%d)\n\n", ret);
ret = OMAPCONF_ERR_UNEXPECTED;
goto main_exit;
}
}
if (argc == 0) {
help(HELP_USAGE);
ret = OMAPCONF_ERR_ARG;
goto main_exit;
}
/* Platform-generic functions, no need to detect cpu */
if (strcmp(argv[0], "--help") == 0) {
omapconf_revision_show(stdout);
help(HELP_ALL);
ret = 0;
goto main_exit;
} else if (strcmp(argv[0], "--version") == 0) {
omapconf_revision_show(stdout);
ret = 0;
goto main_exit;
} else if (strcmp(argv[0], "--cpuinfo") == 0) {
omapconf_revision_show(stdout);
chips_info_show(stdout, 1);
ret = 0;
goto main_exit;
} else if (strcmp(argv[0], "--buildinfo") == 0) {
omapconf_revision_show(stdout);
release_info_show(stdout);
ret = 0;
goto main_exit;
} else if (strcmp(argv[0], "read") == 0) {
if ((argc >= 2) &&
(strcmp(argv[1], "audioic") == 0)) {
goto main_platform_specific;
} else if ((argc >= 2) &&
(strcmp(argv[1], "i2c") == 0)) {
if (argc < 5) {
ret = err_arg_missing_msg_show(HELP_I2C_RW);
goto main_exit;
} else if (argc == 5) {
ret = main_i2c_read(argc, argv);
goto main_exit;
} else {
ret = err_arg_too_many_msg_show(HELP_I2C_RW);
goto main_exit;
}
}
if (argc == 2) {
ret = main_readreg(uppercase(argv[1]), "hex");
goto main_exit;
} else if (argc == 3) {
ret = main_readreg(uppercase(argv[1]),
lowercase(argv[2]));
goto main_exit;
} else {
ret = err_arg_too_many_msg_show(HELP_RW);
goto main_exit;