Upgrade rb532 to .23, provide generic GPIO API to this board

SVN-Revision: 10171
This commit is contained in:
Florian Fainelli
2008-01-11 10:42:06 +00:00
parent 3d7e6cc290
commit 918e830718
15 changed files with 555 additions and 210 deletions

View File

@@ -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;
};
#endif // __IDT_GPIO_H__
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;
}
/* For cansleep */
#include <asm-generic/gpio.h>
#endif /* _RC32434_GPIO_H_ */

View File

@@ -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