mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-30 19:48:19 +00:00
85f737376d
The board config array CFG_440_GPIO_TABLE for the ppc440 GPIO setup is extended with the default GPIO output state (level). Signed-off-by: Stefan Roese <sr@denx.de>
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/*
|
|
* (C) Copyright 2007
|
|
* Stefan Roese, DENX Software Engineering, sr@denx.de.
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/* 4xx PPC's have 2 GPIO controllers */
|
|
#if defined(CONFIG_405EZ) || \
|
|
defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
|
|
defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
|
|
#define GPIO_GROUP_MAX 2
|
|
#else
|
|
#define GPIO_GROUP_MAX 1
|
|
#endif
|
|
|
|
#define GPIO_MAX 32
|
|
#define GPIO_ALT1_SEL 0x40000000
|
|
#define GPIO_ALT2_SEL 0x80000000
|
|
#define GPIO_ALT3_SEL 0xc0000000
|
|
#define GPIO_IN_SEL 0x40000000
|
|
#define GPIO_MASK 0xc0000000
|
|
|
|
#define GPIO_VAL(gpio) (0x80000000 >> (gpio))
|
|
|
|
#ifndef __ASSEMBLY__
|
|
typedef enum gpio_select { GPIO_SEL, GPIO_ALT1, GPIO_ALT2, GPIO_ALT3 } gpio_select_t;
|
|
typedef enum gpio_driver { GPIO_DIS, GPIO_IN, GPIO_OUT, GPIO_BI } gpio_driver_t;
|
|
typedef enum gpio_out { GPIO_OUT_0, GPIO_OUT_1, GPIO_OUT_NO_CHG } gpio_out_t;
|
|
|
|
typedef struct {
|
|
unsigned long add; /* gpio core base address */
|
|
gpio_driver_t in_out; /* Driver Setting */
|
|
gpio_select_t alt_nb; /* Selected Alternate */
|
|
gpio_out_t out_val;/* Default Output Value */
|
|
} gpio_param_s;
|
|
#endif
|
|
|
|
void gpio_config(int pin, int in_out, int gpio_alt, int out_val);
|
|
void gpio_write_bit(int pin, int val);
|
|
int gpio_read_out_bit(int pin);
|
|
void gpio_set_chip_configuration(void);
|