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/*
* Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Tegra30 high-level function multiplexing */
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/funcmux.h>
#include <asm/arch/pinmux.h>
int funcmux_select(enum periph_id id, int config)
{
int bad_config = config != FUNCMUX_DEFAULT;
switch (id) {
case PERIPH_ID_UART1:
switch (config) {
case FUNCMUX_UART1_ULPI:
pinmux_set_func(PINGRP_ULPI_DATA0, PMUX_FUNC_UARTA);
pinmux_set_func(PINGRP_ULPI_DATA1, PMUX_FUNC_UARTA);
pinmux_set_func(PINGRP_ULPI_DATA2, PMUX_FUNC_UARTA);
pinmux_set_func(PINGRP_ULPI_DATA3, PMUX_FUNC_UARTA);
pinmux_tristate_disable(PINGRP_ULPI_DATA0);
pinmux_tristate_disable(PINGRP_ULPI_DATA1);
pinmux_tristate_disable(PINGRP_ULPI_DATA2);
pinmux_tristate_disable(PINGRP_ULPI_DATA3);
break;
}
break;
/* Add other periph IDs here as needed */
default:
debug("%s: invalid periph_id %d", __func__, id);
return -1;
}
if (bad_config) {
debug("%s: invalid config %d for periph_id %d", __func__,
config, id);
return -1;
}
return 0;
}
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