diff options
Diffstat (limited to 'target/linux/rb532/files/include/asm-mips/rc32434')
| -rw-r--r-- | target/linux/rb532/files/include/asm-mips/rc32434/gpio.h | 95 | ||||
| -rw-r--r-- | target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h | 1 |
2 files changed, 64 insertions, 32 deletions
diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h b/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h index 1638cfeacc..393259342d 100644 --- a/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h +++ b/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h @@ -1,39 +1,21 @@ -#ifndef __IDT_GPIO_H__ -#define __IDT_GPIO_H__ - -/******************************************************************************* - * +/* * Copyright 2002 Integrated Device Technology, Inc. - * All rights reserved. + * All rights reserved. * * GPIO register definition. * - * File : $Id: gpio.h,v 1.2 2002/06/06 18:34:04 astichte Exp $ - * * Author : ryan.holmQVist@idt.com * Date : 20011005 - * Update : - * $Log: gpio.h,v $ - * Revision 1.2 2002/06/06 18:34:04 astichte - * Added XXX_PhysicalAddress and XXX_VirtualAddress - * - * Revision 1.1 2002/05/29 17:33:22 sysarch - * jba File moved from vcode/include/idt/acacia - * - * - ******************************************************************************/ + * Copyright (C) 2001, 2002 Ryan Holm <ryan.holmQVist@idt.com> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + */ -enum -{ - GPIO0_PhysicalAddress = 0x18050000, - GPIO_PhysicalAddress = GPIO0_PhysicalAddress, // Default +#ifndef _RC32434_GPIO_H_ +#define _RC32434_GPIO_H_ - GPIO0_VirtualAddress = 0xb8050000, - GPIO_VirtualAddress = GPIO0_VirtualAddress, // Default -} ; +#include <linux/types.h> -typedef struct -{ +struct rb500_gpio_reg { u32 gpiofunc; /* GPIO Function Register * gpiofunc[x]==0 bit = gpio * func[x]==1 bit = altfunc @@ -53,9 +35,9 @@ typedef struct * cleared in ISR (STICKY bits) */ u32 gpionmien; /* GPIO Non-maskable Interrupt Enable Register */ -} volatile * GPIO_t ; +}; -typedef enum +enum gpio_regs { GPIO_gpio_v = 0, // gpiofunc use pin as GPIO. GPIO_alt_v = 1, // gpiofunc use pin as alt. @@ -175,7 +157,58 @@ typedef enum GPIO_pcimuintn_m = GPIO_pin13_m, GPIO_pcimuintn_cfg_v = GPIO_output_v, -} GPIO_DEFS_t; +}; + +extern int rb500_gpio_get_value(unsigned gpio); +extern void rb500_gpio_set_value(unsigned gpio, int value); +extern int rb500_gpio_direction_input(unsigned gpio); +extern int rb500_gpio_direction_output(unsigned gpio, int value); + + +/* Wrappers for the arch-neutral GPIO API */ + +static inline int gpio_request(unsigned gpio, const char *label) +{ + /* Not yet implemented */ + return 0; +} + +static inline void gpio_free(unsigned gpio) +{ + /* Not yet implemented */ +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return rb500_gpio_direction_input(gpio); +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return rb500_gpio_direction_output(gpio, value); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return rb500_gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + rb500_gpio_set_value(gpio, value); +} + +static inline int gpio_to_irq(unsigned gpio) +{ + return gpio; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq; +} -#endif // __IDT_GPIO_H__ +/* For cansleep */ +#include <asm-generic/gpio.h> +#endif /* _RC32434_GPIO_H_ */ diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h b/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h index 848fc86b3a..f3e53e4332 100644 --- a/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h +++ b/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h @@ -32,7 +32,6 @@ #define RC32434_REG_BASE 0x18000000 #define interrupt ((volatile INT_t ) INT0_VirtualAddress) -#define gpio ((volatile GPIO_t) GPIO0_VirtualAddress) #define IDT_CLOCK_MULT 2 |