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- /*
- * Copyright (c) 2008 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 - GPIO lib support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- /* some boards require extra gpio capacity to support external
- * devices that need GPIO.
- */
- #ifndef __MACH_GPIO_H
- #define __MACH_GPIO_H __FILE__
- #ifdef CONFIG_CPU_S3C244X
- #define ARCH_NR_GPIOS (32 * 9 + CONFIG_S3C24XX_GPIO_EXTRA)
- #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
- #define ARCH_NR_GPIOS (32 * 12 + CONFIG_S3C24XX_GPIO_EXTRA)
- #else
- #define ARCH_NR_GPIOS (256 + CONFIG_S3C24XX_GPIO_EXTRA)
- #endif
- /*
- * GPIO sizes for various SoCs:
- *
- * 2410 2412 2440 2443 2416
- * 2442
- * ---- ---- ---- ---- ----
- * A 23 22 25 16 25
- * B 11 11 11 11 9
- * C 16 15 16 16 16
- * D 16 16 16 16 16
- * E 16 16 16 16 16
- * F 8 8 8 8 8
- * G 16 16 16 16 8
- * H 11 11 9 15 15
- * J -- -- 13 16 --
- * K -- -- -- -- 16
- * L -- -- -- 15 7
- * M -- -- -- 2 2
- */
- /* GPIO bank sizes */
- #define S3C2410_GPIO_A_NR (32)
- #define S3C2410_GPIO_B_NR (32)
- #define S3C2410_GPIO_C_NR (32)
- #define S3C2410_GPIO_D_NR (32)
- #define S3C2410_GPIO_E_NR (32)
- #define S3C2410_GPIO_F_NR (32)
- #define S3C2410_GPIO_G_NR (32)
- #define S3C2410_GPIO_H_NR (32)
- #define S3C2410_GPIO_J_NR (32) /* technically 16. */
- #define S3C2410_GPIO_K_NR (32) /* technically 16. */
- #define S3C2410_GPIO_L_NR (32) /* technically 15. */
- #define S3C2410_GPIO_M_NR (32) /* technically 2. */
- #if CONFIG_S3C_GPIO_SPACE != 0
- #error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment
- #endif
- #define S3C2410_GPIO_NEXT(__gpio) \
- ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0)
- #ifndef __ASSEMBLY__
- enum s3c_gpio_number {
- S3C2410_GPIO_A_START = 0,
- S3C2410_GPIO_B_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_A),
- S3C2410_GPIO_C_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_B),
- S3C2410_GPIO_D_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_C),
- S3C2410_GPIO_E_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_D),
- S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E),
- S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F),
- S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G),
- S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H),
- S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J),
- S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K),
- S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L),
- };
- #endif /* __ASSEMBLY__ */
- /* S3C2410 GPIO number definitions. */
- #define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr))
- #define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr))
- #define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr))
- #define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr))
- #define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr))
- #define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr))
- #define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr))
- #define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr))
- #define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr))
- #define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr))
- #define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr))
- #define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr))
- #include <plat/gpio-cfg.h>
- #ifdef CONFIG_CPU_S3C244X
- #define S3C_GPIO_END (S3C2410_GPJ(0) + 32)
- #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
- #define S3C_GPIO_END (S3C2410_GPM(0) + 32)
- #else
- #define S3C_GPIO_END (S3C2410_GPH(0) + 32)
- #endif
- #endif /* __MACH_GPIO_H */
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