diff options
Diffstat (limited to 'src/mainboard/pcengines/apu2/gpio_ftns.c')
| -rw-r--r-- | src/mainboard/pcengines/apu2/gpio_ftns.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu2/gpio_ftns.c b/src/mainboard/pcengines/apu2/gpio_ftns.c new file mode 100644 index 0000000000..fd1fb3c9e2 --- /dev/null +++ b/src/mainboard/pcengines/apu2/gpio_ftns.c @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <arch/io.h> +#include <southbridge/amd/cimx/cimx_util.h> +#include "gpio_ftns.h" + +void configure_gpio(uintptr_t base_addr, u32 iomux_gpio, u8 iomux_ftn, u32 gpio, u32 setting) +{ + u8 bdata; + u8 *memptr; + + memptr = (u8 *)(base_addr + IOMUX_OFFSET + iomux_gpio); + *memptr = iomux_ftn; + + memptr = (u8 *)(base_addr + GPIO_OFFSET + gpio); + bdata = *memptr; + bdata &= 0x07; + bdata |= setting; /* set direction and data value */ + *memptr = bdata; +} |