mirror of
https://github.com/AsahiLinux/u-boot
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67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
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/*
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* Copyright (C) 2012 Vikram Narayananan
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* <vikram186@gmail.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _BCM2835_GPIO_H_
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#define _BCM2835_GPIO_H_
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#define BCM2835_GPIO_BASE 0x20200000
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#define BCM2835_GPIO_COUNT 54
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#define BCM2835_GPIO_FSEL_MASK 0x7
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#define BCM2835_GPIO_INPUT 0x0
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#define BCM2835_GPIO_OUTPUT 0x1
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#define BCM2835_GPIO_ALT0 0x4
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#define BCM2835_GPIO_ALT1 0x5
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#define BCM2835_GPIO_ALT2 0x6
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#define BCM2835_GPIO_ALT3 0x7
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#define BCM2835_GPIO_ALT4 0x3
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#define BCM2835_GPIO_ALT5 0x2
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#define BCM2835_GPIO_COMMON_BANK(gpio) ((gpio < 32) ? 0 : 1)
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#define BCM2835_GPIO_COMMON_SHIFT(gpio) (gpio & 0x1f)
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#define BCM2835_GPIO_FSEL_BANK(gpio) (gpio / 10)
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#define BCM2835_GPIO_FSEL_SHIFT(gpio) ((gpio % 10) * 3)
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struct bcm2835_gpio_regs {
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u32 gpfsel[6];
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u32 reserved1;
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u32 gpset[2];
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u32 reserved2;
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u32 gpclr[2];
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u32 reserved3;
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u32 gplev[2];
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u32 reserved4;
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u32 gpeds[2];
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u32 reserved5;
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u32 gpren[2];
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u32 reserved6;
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u32 gpfen[2];
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u32 reserved7;
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u32 gphen[2];
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u32 reserved8;
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u32 gplen[2];
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u32 reserved9;
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u32 gparen[2];
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u32 reserved10;
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u32 gppud;
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u32 gppudclk[2];
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};
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#endif /* _BCM2835_GPIO_H_ */
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