mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
d1e4607901
This will be used on TrimSlice. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2011 The Chromium OS Authors.
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/* Tegra2 high-level function multiplexing */
|
|
|
|
#ifndef __FUNCMUX_H
|
|
#define __FUNCMUX_H
|
|
|
|
/* Configs supported by the func mux */
|
|
enum {
|
|
FUNCMUX_DEFAULT = 0, /* default config */
|
|
|
|
/* UART configs */
|
|
FUNCMUX_UART1_IRRX_IRTX = 0,
|
|
FUNCMUX_UART1_UAA_UAB,
|
|
FUNCMUX_UART1_GPU,
|
|
FUNCMUX_UART1_SDIO1,
|
|
FUNCMUX_UART2_IRDA = 0,
|
|
FUNCMUX_UART4_GMC = 0,
|
|
|
|
/* I2C configs */
|
|
FUNCMUX_DVC_I2CP = 0,
|
|
FUNCMUX_I2C1_RM = 0,
|
|
FUNCMUX_I2C2_DDC = 0,
|
|
FUNCMUX_I2C2_PTA,
|
|
FUNCMUX_I2C3_DTF = 0,
|
|
|
|
/* SDMMC configs */
|
|
FUNCMUX_SDMMC1_SDIO1_4BIT = 0,
|
|
FUNCMUX_SDMMC2_DTA_DTD_8BIT = 0,
|
|
FUNCMUX_SDMMC3_SDB_4BIT = 0,
|
|
FUNCMUX_SDMMC3_SDB_SLXA_8BIT,
|
|
FUNCMUX_SDMMC4_ATC_ATD_8BIT = 0,
|
|
FUNCMUX_SDMMC4_ATB_GMA_4_BIT,
|
|
FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT,
|
|
};
|
|
|
|
/**
|
|
* Select a config for a particular peripheral.
|
|
*
|
|
* Each peripheral can operate through a number of configurations,
|
|
* which are sets of pins that it uses to bring out its signals.
|
|
* The basic config is 0, and higher numbers indicate different
|
|
* pinmux settings to bring the peripheral out on other pins,
|
|
*
|
|
* This function also disables tristate for the function's pins,
|
|
* so that they operate in normal mode.
|
|
*
|
|
* @param id Peripheral id
|
|
* @param config Configuration to use (FUNCMUX_...), 0 for default
|
|
* @return 0 if ok, -1 on error (e.g. incorrect id or config)
|
|
*/
|
|
int funcmux_select(enum periph_id id, int config);
|
|
|
|
#endif
|