upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/include/asm/arch-armada100/gpio.h

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/*
* (C) Copyright 2011
* eInfochips Ltd. <www.einfochips.com>
* Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
*
* (C) Copyright 2010
* Marvell Semiconductor <www.marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_ARCH_GPIO_H
#define _ASM_ARCH_GPIO_H
#include <asm/types.h>
#include <asm/arch/armada100.h>
#define GPIO_HIGH 1
#define GPIO_LOW 0
#define GPIO_TO_REG(gp) (gp >> 5)
#define GPIO_TO_BIT(gp) (1 << (gp & 0x1F))
#define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01)
static inline void *get_gpio_base(int bank)
{
const unsigned int offset[4] = {0, 4, 8, 0x100};
/* gpio register bank offset - refer Appendix A.36 */
return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]);
}
#endif /* _ASM_ARCH_GPIO_H */