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imxtools: add pin map and decoding tool

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Also add the tool which was used to generate the map on wiki.

Change-Id: I54f3474028b5fa75348564437ec1b46ba20f071b
This commit is contained in:
Amaury Pouly 2013-09-13 14:35:41 +02:00
parent b4c1bb0214
commit 8f122e0091
4 changed files with 927 additions and 0 deletions
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88
utils/imxtools/misc/io_pins.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "map.h"
bool read_number(const char *str, uint32_t *value)
{
char *end;
long int ret = strtol(str, &end, 0);
if((str + strlen(str)) != end)
return false;
if(ret < 0)
return false;
*value = ret;
return true;
}
int main(int argc, char **argv)
{
if(argc != 6)
{
printf("usage: %s <soc> <ver> <mux> <clr mask> <set mask>\n", argv[0]);
printf(" where <soc> is stmp3700 or imx233\n");
printf(" where <ver> is bga169 or lqfp128\n");
printf(" where <mux> is between 0 and 7");
printf(" where <mask> is a number or ~number\n");
return 1;
}
const char *soc = argv[1];
const char *ver = argv[2];
const char *s_mux = argv[3];
const char *s_clr_mask = argv[4];
const char *s_set_mask = argv[5];
uint32_t mux, clr_mask, set_mask;
if(!read_number(s_mux, &mux) || mux >= NR_BANKS * 2)
{
printf("invalid mux number\n");
return 1;
}
if(!read_number(s_clr_mask, &clr_mask))
{
printf("invalid clear mask\n");
return 2;
}
if(!read_number(s_set_mask, &set_mask))
{
printf("invalid set mask\n");
return 3;
}
struct bank_map_t *map = NULL;
for(unsigned i = 0; i < NR_SOCS; i++)
if(strcmp(soc, socs[i].soc) == 0 && strcmp(ver, socs[i].ver) == 0)
map = socs[i].map;
if(map == NULL)
{
printf("no valid map found\n");
return 4;
}
if(clr_mask & set_mask)
printf("warning: set and clear mask intersect!\n");
unsigned bank = mux / 2;
unsigned offset = 16 * (mux % 2);
for(unsigned i = 0; i < 16; i++)
{
unsigned pin = offset + i;
uint32_t pin_shift = 2 * i;
uint32_t set_fn = (set_mask >> pin_shift) & 3;
uint32_t clr_fn = (clr_mask >> pin_shift) & 3;
if(set_fn == 0 && clr_fn == 0)
continue;
bool partial_mask = (set_fn | clr_fn) != 3;
printf("B%dP%02d => %s (select = %d)", bank, pin,
map[bank].pins[pin].function[set_fn].name, set_fn);
if(partial_mask)
printf(" (warning: partial mask)");
printf("\n");
}
return 0;
}