diff options
Diffstat (limited to 'board/micronas/vct/gpio.c')
-rw-r--r-- | board/micronas/vct/gpio.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/board/micronas/vct/gpio.c b/board/micronas/vct/gpio.c deleted file mode 100644 index 776bb2d91cc..00000000000 --- a/board/micronas/vct/gpio.c +++ /dev/null @@ -1,74 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering - */ - -#include <common.h> -#include <asm/io.h> -#include "vct.h" - -/* - * Find out to which of the 2 gpio modules the pin specified in the - * argument belongs: - * GPIO_MODULE yields 0 for pins 0 to 31, - * 1 for pins 32 to 63 - */ -#define GPIO_MODULE(pin) ((pin) >> 5) - -/* - * Bit position within a 32-bit peripheral register (where every - * bit is one bitslice) - */ -#define MASK(pin) (1 << ((pin) & 0x1F)) -#define BASE_ADDR(mod) module_base[mod] - -/* - * Lookup table for transforming gpio module number 0 to 2 to - * address offsets - */ -static u32 module_base[] = { - GPIO1_BASE, - GPIO2_BASE -}; - -static void clrsetbits(u32 addr, u32 and_mask, u32 or_mask) -{ - reg_write(addr, (reg_read(addr) & ~and_mask) | or_mask); -} - -int vct_gpio_dir(int pin, int dir) -{ - u32 gpio_base; - - gpio_base = BASE_ADDR(GPIO_MODULE(pin)); - - if (dir == 0) - clrsetbits(GPIO_SWPORTA_DDR(gpio_base), MASK(pin), 0); - else - clrsetbits(GPIO_SWPORTA_DDR(gpio_base), 0, MASK(pin)); - - return 0; -} - -void vct_gpio_set(int pin, int val) -{ - u32 gpio_base; - - gpio_base = BASE_ADDR(GPIO_MODULE(pin)); - - if (val == 0) - clrsetbits(GPIO_SWPORTA_DR(gpio_base), MASK(pin), 0); - else - clrsetbits(GPIO_SWPORTA_DR(gpio_base), 0, MASK(pin)); -} - -int vct_gpio_get(int pin) -{ - u32 gpio_base; - u32 value; - - gpio_base = BASE_ADDR(GPIO_MODULE(pin)); - value = reg_read(GPIO_EXT_PORTA(gpio_base)); - - return ((value & MASK(pin)) ? 1 : 0); -} |