int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned int i;
char *p_altbank = NULL;
#ifdef DEBUG
char *p_dump = NULL;
#endif
char *unknown_param = NULL;
/* No args is a simple reset request.
*/
if (argc <= 1)
pixis_reset();
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "altbank") == 0) {
p_altbank = argv[i];
continue;
}
#ifdef DEBUG
if (strcmp(argv[i], "dump") == 0) {
p_dump = argv[i];
continue;
}
#endif
unknown_param = argv[i];
}
if (unknown_param) {
printf("Invalid option: %s\n", unknown_param);
return 1;
}
#ifdef DEBUG
if (p_dump) {
pixis_dump_regs();
/* 'dump' ignores other commands */
return 0;
}
#endif
if (p_altbank)
set_altbank();
else
clear_altbank();
pixis_bank_reset();
/* Shouldn't be reached. */
return 0;
}
static int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
unsigned int i;
char *p_cf = NULL;
char *p_cf_sysclk = NULL;
char *p_cf_corepll = NULL;
char *p_cf_mpxpll = NULL;
char *p_altbank = NULL;
char *p_wd = NULL;
int unknown_param = 0;
/*
* No args is a simple reset request.
*/
if (argc <= 1) {
pixis_reset();
/* not reached */
}
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "cf") == 0) {
p_cf = argv[i];
if (i + 3 >= argc) {
break;
}
p_cf_sysclk = argv[i+1];
p_cf_corepll = argv[i+2];
p_cf_mpxpll = argv[i+3];
i += 3;
continue;
}
if (strcmp(argv[i], "altbank") == 0) {
p_altbank = argv[i];
continue;
}
if (strcmp(argv[i], "wd") == 0) {
p_wd = argv[i];
continue;
}
unknown_param = 1;
}
/*
* Check that cf has all required parms
*/
if ((p_cf && !(p_cf_sysclk && p_cf_corepll && p_cf_mpxpll))
|| unknown_param) {
#ifdef CONFIG_SYS_LONGHELP
puts(cmdtp->help);
#endif
return 1;
}
/*
* PIXIS seems to be sensitive to the ordering of
* the registers that are touched.
*/
read_from_px_regs(0);
if (p_altbank)
read_from_px_regs_altbank(0);
clear_altbank();
/*
* Clock configuration specified.
*/
if (p_cf) {
unsigned long sysclk;
unsigned long corepll;
unsigned long mpxpll;
sysclk = simple_strtoul(p_cf_sysclk, NULL, 10);
corepll = strfractoint(p_cf_corepll);
mpxpll = simple_strtoul(p_cf_mpxpll, NULL, 10);
if (!(set_px_sysclk(sysclk)
&& set_px_corepll(corepll)
&& set_px_mpxpll(mpxpll))) {
#ifdef CONFIG_SYS_LONGHELP
puts(cmdtp->help);
#endif
return 1;
}
read_from_px_regs(1);
}
/*
* Altbank specified
*
* NOTE CHANGE IN BEHAVIOR: previous code would default
* to enabling watchdog if altbank is specified.
* Now the watchdog must be enabled explicitly using 'wd'.
*/
if (p_altbank) {
set_altbank();
read_from_px_regs_altbank(1);
}
/*
* Reset with watchdog specified.
*/
if (p_wd)
set_px_go_with_watchdog();
else
set_px_go();
/*
* Shouldn't be reached.
*/
return 0;
}
