upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
3.6 KiB
92 lines
3.6 KiB
15 years ago
|
/*
|
||
|
* (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
|
||
|
*
|
||
|
* 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
|
||
|
*/
|
||
|
|
||
14 years ago
|
#ifndef __MACH_MX5_IOMUX_H__
|
||
|
#define __MACH_MX5_IOMUX_H__
|
||
15 years ago
|
|
||
|
#include <common.h>
|
||
|
#include <asm/io.h>
|
||
|
#include <asm/arch/imx-regs.h>
|
||
14 years ago
|
#include <asm/arch/mx5x_pins.h>
|
||
15 years ago
|
|
||
|
typedef unsigned int iomux_pin_name_t;
|
||
|
|
||
|
/* various IOMUX output functions */
|
||
|
typedef enum iomux_config {
|
||
|
IOMUX_CONFIG_ALT0, /*!< used as alternate function 0 */
|
||
|
IOMUX_CONFIG_ALT1, /*!< used as alternate function 1 */
|
||
|
IOMUX_CONFIG_ALT2, /*!< used as alternate function 2 */
|
||
|
IOMUX_CONFIG_ALT3, /*!< used as alternate function 3 */
|
||
|
IOMUX_CONFIG_ALT4, /*!< used as alternate function 4 */
|
||
|
IOMUX_CONFIG_ALT5, /*!< used as alternate function 5 */
|
||
|
IOMUX_CONFIG_ALT6, /*!< used as alternate function 6 */
|
||
|
IOMUX_CONFIG_ALT7, /*!< used as alternate function 7 */
|
||
|
IOMUX_CONFIG_GPIO, /*!< added to help user use GPIO mode */
|
||
|
IOMUX_CONFIG_SION = 0x1 << 4, /*!< used as LOOPBACK:MUX SION bit */
|
||
|
} iomux_pin_cfg_t;
|
||
|
|
||
|
/* various IOMUX pad functions */
|
||
|
typedef enum iomux_pad_config {
|
||
|
PAD_CTL_SRE_SLOW = 0x0 << 0, /* Slow slew rate */
|
||
|
PAD_CTL_SRE_FAST = 0x1 << 0, /* Fast slew rate */
|
||
|
PAD_CTL_DRV_LOW = 0x0 << 1, /* Low drive strength */
|
||
|
PAD_CTL_DRV_MEDIUM = 0x1 << 1, /* Medium drive strength */
|
||
|
PAD_CTL_DRV_HIGH = 0x2 << 1, /* High drive strength */
|
||
|
PAD_CTL_DRV_MAX = 0x3 << 1, /* Max drive strength */
|
||
|
PAD_CTL_ODE_OPENDRAIN_NONE = 0x0 << 3, /* Opendrain disable */
|
||
|
PAD_CTL_ODE_OPENDRAIN_ENABLE = 0x1 << 3,/* Opendrain enable */
|
||
|
PAD_CTL_100K_PD = 0x0 << 4, /* 100Kohm pulldown */
|
||
|
PAD_CTL_47K_PU = 0x1 << 4, /* 47Kohm pullup */
|
||
|
PAD_CTL_100K_PU = 0x2 << 4, /* 100Kohm pullup */
|
||
|
PAD_CTL_22K_PU = 0x3 << 4, /* 22Kohm pullup */
|
||
|
PAD_CTL_PUE_KEEPER = 0x0 << 6, /* enable pulldown */
|
||
|
PAD_CTL_PUE_PULL = 0x1 << 6, /* enable pullup */
|
||
|
PAD_CTL_PKE_NONE = 0x0 << 7, /* Disable pullup/pulldown */
|
||
|
PAD_CTL_PKE_ENABLE = 0x1 << 7, /* Enable pullup/pulldown */
|
||
|
PAD_CTL_HYS_NONE = 0x0 << 8, /* Hysteresis disabled */
|
||
|
PAD_CTL_HYS_ENABLE = 0x1 << 8, /* Hysteresis enabled */
|
||
|
PAD_CTL_DDR_INPUT_CMOS = 0x0 << 9,/* DDR input CMOS */
|
||
|
PAD_CTL_DDR_INPUT_DDR = 0x1 << 9,/* DDR input DDR */
|
||
|
PAD_CTL_DRV_VOT_LOW = 0x0 << 13, /* Low voltage mode */
|
||
|
PAD_CTL_DRV_VOT_HIGH = 0x1 << 13,/* High voltage mode */
|
||
|
} iomux_pad_config_t;
|
||
|
|
||
|
/* various IOMUX input functions */
|
||
|
typedef enum iomux_input_config {
|
||
|
INPUT_CTL_PATH0 = 0x0,
|
||
|
INPUT_CTL_PATH1,
|
||
|
INPUT_CTL_PATH2,
|
||
|
INPUT_CTL_PATH3,
|
||
|
INPUT_CTL_PATH4,
|
||
|
INPUT_CTL_PATH5,
|
||
|
INPUT_CTL_PATH6,
|
||
|
INPUT_CTL_PATH7,
|
||
|
} iomux_input_config_t;
|
||
|
|
||
|
void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t config);
|
||
|
void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t config);
|
||
|
void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config);
|
||
|
unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin);
|
||
|
void mxc_iomux_set_input(iomux_input_select_t input, u32 config);
|
||
|
|
||
14 years ago
|
#endif /* __MACH_MX5_IOMUX_H__ */
|