diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/gpio.h | 56 | ||||
| -rw-r--r-- | include/ppc440.h | 23 |
2 files changed, 56 insertions, 23 deletions
diff --git a/include/asm-ppc/gpio.h b/include/asm-ppc/gpio.h new file mode 100644 index 0000000..114dc92 --- /dev/null +++ b/include/asm-ppc/gpio.h @@ -0,0 +1,56 @@ +/* + * (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_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); +void gpio_set_chip_configuration(void); diff --git a/include/ppc440.h b/include/ppc440.h index 1c7f11c..d827228 100644 --- a/include/ppc440.h +++ b/include/ppc440.h @@ -3267,29 +3267,6 @@ #define GPIO1_ISR3H (GPIO1_BASE+0x44) #endif -#define GPIO_GROUP_MAX 2 -#define GPIO_MAX 32 -#define GPIO_ALT1_SEL 0x40000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 0 */ -#define GPIO_ALT2_SEL 0x80000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 1 */ -#define GPIO_ALT3_SEL 0xC0000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 2 */ -#define GPIO_MASK 0xC0000000 /* GPIO_MASK */ -#define GPIO_IN_SEL 0x40000000 /* GPIO_IN value put in GPIO_ISx for the GPIO nb 0 */ - /* For the other GPIO number, you must shift */ - -#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 struct { unsigned long add; /* gpio core base address */ - gpio_driver_t in_out; /* Driver Setting */ - gpio_select_t alt_nb; /* Selected Alternate */ -} gpio_param_s; - -#endif /* __ASSEMBLY__ */ - /* * Macros for accessing the indirect EBC registers */ |