30 lines
946 B
C
30 lines
946 B
C
#ifndef __ASM_MACH_GPIO_PXA_H
|
|
#define __ASM_MACH_GPIO_PXA_H
|
|
|
|
#include <mach/addr-map.h>
|
|
#include <mach/cputype.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000)
|
|
|
|
#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
|
|
#define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
|
|
|
|
#define gpio_to_bank(gpio) ((gpio) >> 5)
|
|
|
|
/* NOTE: these macros are defined here to make optimization of
|
|
* gpio_{get,set}_value() to work when 'gpio' is a constant.
|
|
* Usage of these macros otherwise is no longer recommended,
|
|
* use generic GPIO API whenever possible.
|
|
*/
|
|
#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f))
|
|
|
|
#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
|
|
#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
|
|
#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
|
|
#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
|
|
|
|
#include <plat/gpio-pxa.h>
|
|
|
|
#endif /* __ASM_MACH_GPIO_PXA_H */
|