mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 12:33:41 +00:00
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
|
|
*/
|
|
|
|
/* Tegra30 high-level function multiplexing */
|
|
|
|
#include <common.h>
|
|
#include <log.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(PMUX_PINGRP_ULPI_DATA0_PO1,
|
|
PMUX_FUNC_UARTA);
|
|
pinmux_set_func(PMUX_PINGRP_ULPI_DATA1_PO2,
|
|
PMUX_FUNC_UARTA);
|
|
pinmux_set_func(PMUX_PINGRP_ULPI_DATA2_PO3,
|
|
PMUX_FUNC_UARTA);
|
|
pinmux_set_func(PMUX_PINGRP_ULPI_DATA3_PO4,
|
|
PMUX_FUNC_UARTA);
|
|
pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA0_PO1);
|
|
pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA1_PO2);
|
|
pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA2_PO3);
|
|
pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA3_PO4);
|
|
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;
|
|
}
|