diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-11-11 17:22:23 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-02-23 21:34:55 +0100 |
| commit | 780935687d74f89a25a9c58952314be6af61c348 (patch) | |
| tree | 193897842085f03675cb6b97e1f9ca523abb7a83 /src/mainboard/pcengines/apu1/gpio_ftns.h | |
| parent | 8c190f3518d504d904692e93e7881c379b89f542 (diff) | |
| download | coreboot-780935687d74f89a25a9c58952314be6af61c348.tar.xz | |
pcengines/apu1: Implement board GPIOs
Some GPIO pins are shared with (disabled) PCI bridge 0:14.4.
As our PCI subsystem currently does not configure PCI bridges that are
marked disabled, but remain visible in the hardware, we cannot mark 0:14.4
disabled in devicetree just yet.
Change-Id: Ibc5d950662d633a07d62fd5a5984a56d8e5f959d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8326
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/mainboard/pcengines/apu1/gpio_ftns.h')
| -rw-r--r-- | src/mainboard/pcengines/apu1/gpio_ftns.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu1/gpio_ftns.h b/src/mainboard/pcengines/apu1/gpio_ftns.h new file mode 100644 index 0000000000..11d5ea1c3d --- /dev/null +++ b/src/mainboard/pcengines/apu1/gpio_ftns.h @@ -0,0 +1,47 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef GPIO_FTNS_H +#define GPIO_FTNS_H + +u32 find_gpio_base(void); +void configure_gpio(u32 base_addr, u32 gpio, u8 iomux_ftn, u8 setting); +u8 read_gpio(u32 base_addr, u32 gpio); +int get_spd_offset(void); + +#define IOMUX_OFFSET 0xD00 +#define GPIO_OFFSET 0x100 +#define GPIO_10 10 // PE3 Reset +#define GPIO_11 11 // PE4 Reset +#define GPIO_15 15 // board rev strap ms bit +#define GPIO_16 16 // board rev strap ls bit +#define GPIO_17 17 // TP13 +#define GPIO_18 18 // TP10 +#define GPIO_187 187 // MODESW +#define GPIO_189 189 // LED1# +#define GPIO_190 190 // LED2# +#define GPIO_191 191 // LED3# +#define GPIO_FTN_1 0x01 +#define GPIO_OUTPUT 0x08 +#define GPIO_INPUT 0x28 +#define GPIO_DATA_IN 0x80 +#define GPIO_DATA_LOW 0x00 +#define GPIO_DATA_HIGH 0x40 + +#endif /* GPIO_FTNS_H */ |