ebabfadcec
Update all of the license headers to make sure they are compliant with coreboot's license header policy. Change-Id: I151d058615290e528d9d1738c17804f6b9cc8dce Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/14321 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2015 Intel Corp.
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* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <assert.h>
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#include <soc/gpio.h>
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#include <soc/iosf.h>
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/* This list must be in order, from highest pad numbers, to lowest pad numbers*/
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static const struct pad_community {
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uint16_t first_pad;
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uint8_t port;
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} gpio_communities[] = {
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{
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.port = GPIO_SOUTHWEST,
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.first_pad = SW_OFFSET,
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}, {
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.port = GPIO_WEST,
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.first_pad = W_OFFSET,
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}, {
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.port = GPIO_NORTHWEST,
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.first_pad = NW_OFFSET,
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}, {
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.port = GPIO_NORTH,
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.first_pad = N_OFFSET,
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}
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};
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static const struct pad_community *gpio_get_community(uint16_t pad)
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{
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const struct pad_community *map = gpio_communities;
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assert(pad < TOTAL_PADS);
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while (map->first_pad > pad)
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map++;
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return map;
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}
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void gpio_configure_pad(const struct pad_config *cfg)
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{
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const struct pad_community *comm = gpio_get_community(cfg->pad);
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uint16_t config_offset = PAD_CFG_OFFSET(cfg->pad - comm->first_pad);
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iosf_write(comm->port, config_offset, cfg->config0);
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iosf_write(comm->port, config_offset + sizeof(uint32_t), cfg->config1);
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}
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void gpio_configure_pads(const struct pad_config *cfg, size_t num_pads)
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{
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uint32_t i;
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for (i = 0; i < num_pads; i++)
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gpio_configure_pad(cfg + i);
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}
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