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f55be1bf LW |
1 | #ifndef __ASM_MACH_GPIO_PXA_H |
2 | #define __ASM_MACH_GPIO_PXA_H | |
3 | ||
4 | #include <mach/addr-map.h> | |
4929f5a8 | 5 | #include <mach/cputype.h> |
f55be1bf LW |
6 | #include <mach/irqs.h> |
7 | ||
8 | #define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000) | |
9 | ||
10 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) | |
22f4cb4b | 11 | #define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x))) |
f55be1bf | 12 | |
f55be1bf LW |
13 | #define gpio_to_bank(gpio) ((gpio) >> 5) |
14 | ||
15 | /* NOTE: these macros are defined here to make optimization of | |
16 | * gpio_{get,set}_value() to work when 'gpio' is a constant. | |
17 | * Usage of these macros otherwise is no longer recommended, | |
18 | * use generic GPIO API whenever possible. | |
19 | */ | |
20 | #define GPIO_bit(gpio) (1 << ((gpio) & 0x1f)) | |
21 | ||
22 | #define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00) | |
23 | #define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c) | |
24 | #define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18) | |
25 | #define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24) | |
26 | ||
27 | #include <plat/gpio-pxa.h> | |
28 | ||
29 | #endif /* __ASM_MACH_GPIO_PXA_H */ |