static urj_bus_t *
bf533_stamp_bus_new (urj_chain_t *chain, const urj_bus_driver_t *driver,
const urj_param_t *cmd_params[])
{
urj_bus_t *bus;
urj_part_t *part;
bfin_bus_params_t *params;
int failed = 0;
bus = urj_bus_generic_new (chain, driver, sizeof (bus_params_t));
if (bus == NULL)
return NULL;
part = bus->part;
params = bus->params;
params->async_size = 4 * 1024 * 1024;
params->ams_cnt = 4;
params->abe_cnt = 2;
params->addr_cnt = 19;
params->data_cnt = 16;
params->select_flash = bf533_stamp_select_flash;
params->unselect_flash = bf533_stamp_unselect_flash;
params->sdram = 1;
failed |= bfin_bus_new (bus, cmd_params, NULL);
failed |= urj_bus_generic_attach_sig (part, &PF[0], "PF0");
failed |= urj_bus_generic_attach_sig (part, &PF[1], "PF1");
if (failed)
{
urj_bus_generic_free (bus);
return NULL;
}
return bus;
}
static urj_bus_t *
mpc837x_bus_new( urj_chain_t *chain, const urj_bus_driver_t *driver, const urj_param_t *cmd_params[] )
{
urj_bus_t *bus;
bus_params_t *bp;
urj_part_t *part;
char buff[10];
int i;
int failed = 0;
bus = urj_bus_generic_new (chain, driver, sizeof (bus_params_t));
if (bus == NULL)
return NULL;
part = bus->part;
bp = bus->params;
/* default values */
bp->lbc_muxed = 0;
bp->lbc_num_d = 8;
bp->lbc_num_ad = 25;
for (i = 0; cmd_params[i] != NULL; i++)
{
switch (cmd_params[i]->key)
{
case URJ_BUS_PARAM_KEY_HELP:
urj_bus_generic_free (bus);
urj_log (URJ_LOG_LEVEL_NORMAL,
_("Usage: initbus mpc837x [mux] [width=WIDTH]\n" \
" MUX multiplexed data bus (default no)\n" \
" WIDTH data bus width - 8, 16, 32 (default 8)\n"));
return NULL;
case URJ_BUS_PARAM_KEY_MUX:
bp->lbc_muxed = 1;
break;
case URJ_BUS_PARAM_KEY_WIDTH:
switch (cmd_params[i]->value.lu)
{
case 8:
bp->lbc_num_d = 8;
break;
case 16:
bp->lbc_num_d = 16;
break;
case 32:
bp->lbc_num_d = 32;
break;
default:
urj_error_set (URJ_ERROR_UNSUPPORTED,
_(" Only 8, 16, 32 bus width are suported\n"));
}
break;
default:
urj_bus_generic_free (bus);
urj_error_set (URJ_ERROR_SYNTAX, "unrecognised bus parameter '%s'", \
urj_param_string(&urj_bus_param_list, cmd_params[i]));
return NULL;
}
}
if ((!bp->lbc_muxed) && (bp->lbc_num_d > 16))
{
urj_bus_generic_free (bus);
urj_error_set (URJ_ERROR_UNSUPPORTED,
_(" Only 8 and 16 non multiplexed bus width are suported\n"));
return NULL;
}
if (bp->lbc_muxed)
bp->lbc_num_ad = 32;
/* Get the signals */
if (bp->lbc_muxed)
{
failed |= urj_bus_generic_attach_sig( part, &(ALE), "LALE" );
for (i = 0; i < LBC_NUM_LAD; i++) {
sprintf( buff, "LAD%d", i );
failed |= urj_bus_generic_attach_sig( part, &(LAD[i]), buff );
}
}
else
{
failed |= urj_bus_generic_attach_sig( part, &(LA[7]), "LDP2" );
failed |= urj_bus_generic_attach_sig( part, &(LA[8]), "LDP3" );
failed |= urj_bus_generic_attach_sig( part, &(LA[9]), "LGPL5" );
failed |= urj_bus_generic_attach_sig( part, &(LA[10]), "LALE" );
for (i = 11; i < 27; i++) {
sprintf( buff, "LAD%d", i + 5 );
failed |= urj_bus_generic_attach_sig( part, &(LA[i]), buff );
}
}
for (i = 27; i < LBC_NUM_LAD; i++) {
sprintf( buff, "LA%d", i );
failed |= urj_bus_generic_attach_sig( part, &(LA[i]), buff );
}
for (i = 0; i < LBC_NUM_LCS; i++) {
sprintf( buff, "LCS_B%d", i );
failed |= urj_bus_generic_attach_sig( part, &(nCS[i]), buff );
}
for (i = 0; i < LBC_NUM_LWE; i++) {
sprintf( buff, "LWE_B%d", i );
failed |= urj_bus_generic_attach_sig( part, &(nWE[i]), buff );
}
failed |= urj_bus_generic_attach_sig( part, &(nOE), "LGPL2" );
failed |= urj_bus_generic_attach_sig( part, &(BCTL), "LBCTL" );
if (failed) {
urj_bus_generic_free (bus);
return NULL;
}
urj_log(URJ_LOG_LEVEL_NORMAL,
"%sMUXed %db address, %db data bus\n",
((bp->lbc_muxed) ? "" : "Non-"), bp->lbc_num_ad, bp->lbc_num_d);
return bus;
}
