diff options
Diffstat (limited to 'src/southbridge/intel/ibexpeak/gpio.c')
-rw-r--r-- | src/southbridge/intel/ibexpeak/gpio.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/southbridge/intel/ibexpeak/gpio.c b/src/southbridge/intel/ibexpeak/gpio.c deleted file mode 100644 index 39241d6094..0000000000 --- a/src/southbridge/intel/ibexpeak/gpio.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. - * - * 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 - */ - -#include <stdint.h> -#include <string.h> -#include <arch/io.h> - -#include "pch.h" -#include "gpio.h" - -#define MAX_GPIO_NUMBER 75 /* zero based */ - -void setup_pch_gpios(const struct pch_gpio_map *gpio) -{ - u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc; - - /* GPIO Set 1 */ - if (gpio->set1.level) - outl(*((u32*)gpio->set1.level), gpiobase + GP_LVL); - if (gpio->set1.mode) - outl(*((u32*)gpio->set1.mode), gpiobase + GPIO_USE_SEL); - if (gpio->set1.direction) - outl(*((u32*)gpio->set1.direction), gpiobase + GP_IO_SEL); - if (gpio->set1.reset) - outl(*((u32*)gpio->set1.reset), gpiobase + GP_RST_SEL1); - if (gpio->set1.invert) - outl(*((u32*)gpio->set1.invert), gpiobase + GPI_INV); - if (gpio->set1.blink) - outl(*((u32*)gpio->set1.blink), gpiobase + GPO_BLINK); - - /* GPIO Set 2 */ - if (gpio->set2.level) - outl(*((u32*)gpio->set2.level), gpiobase + GP_LVL2); - if (gpio->set2.mode) - outl(*((u32*)gpio->set2.mode), gpiobase + GPIO_USE_SEL2); - if (gpio->set2.direction) - outl(*((u32*)gpio->set2.direction), gpiobase + GP_IO_SEL2); - if (gpio->set2.reset) - outl(*((u32*)gpio->set2.reset), gpiobase + GP_RST_SEL2); - - /* GPIO Set 3 */ - if (gpio->set3.level) - outl(*((u32*)gpio->set3.level), gpiobase + GP_LVL3); - if (gpio->set3.mode) - outl(*((u32*)gpio->set3.mode), gpiobase + GPIO_USE_SEL3); - if (gpio->set3.direction) - outl(*((u32*)gpio->set3.direction), gpiobase + GP_IO_SEL3); - if (gpio->set3.reset) - outl(*((u32*)gpio->set3.reset), gpiobase + GP_RST_SEL3); -} - -int get_gpio(int gpio_num) -{ - static const int gpio_reg_offsets[] = {0xc, 0x38, 0x48}; - u16 gpio_base = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc; - int index, bit; - - if (gpio_num > MAX_GPIO_NUMBER) - return 0; /* Just ignore wrong gpio numbers. */ - - index = gpio_num / 32; - bit = gpio_num % 32; - - return (inl(gpio_base + gpio_reg_offsets[index]) >> bit) & 1; -} - -/* - * get a number comprised of multiple GPIO values. gpio_num_array points to - * the array of gpio pin numbers to scan, terminated by -1. - */ -unsigned get_gpios(const int *gpio_num_array) -{ - int gpio; - unsigned bitmask = 1; - unsigned vector = 0; - - while (bitmask && - ((gpio = *gpio_num_array++) != -1)) { - if (get_gpio(gpio)) - vector |= bitmask; - bitmask <<= 1; - } - return vector; -} |