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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Marvell, Inc.
*
* 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 <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <arch/io.h>
#include <soc/pinmux.h>
void set_pinmux(struct mvmap2315_pinmux pinmux)
{
u32 pad_num;
u32 reg = 0;
/* pads < 160 are part of the MCU domain and not handled here
* and pads > 231 don't exist
*/
if (pinmux.pad < 160 || pinmux.pad > 231)
return;
pad_num = pinmux.pad - 160;
reg |= (pinmux.fun_sel <<
MVMAP2315_PADWRAP_FUNC_SEL_SHIFT) &
MVMAP2315_PADWRAP_FUNC_SEL;
reg |= (pinmux.raw_sel <<
MVMAP2315_PADWRAP_RAW_SEL_SHIFT) &
MVMAP2315_PADWRAP_RAW_SEL;
reg |= (pinmux.dgtb_sel <<
MVMAP2315_PADWRAP_DGTB_SEL_SHIFT) &
MVMAP2315_PADWRAP_DGTB_SEL;
reg |= (pinmux.slew <<
MVMAP2315_PADWRAP_SLEW_SHIFT) &
MVMAP2315_PADWRAP_SLEW;
if (!pinmux.pull_sel) {
reg &= ~MVMAP2315_PADWRAP_PD_EN;
reg &= ~MVMAP2315_PADWRAP_PU_EN;
} else if (pinmux.pull_sel == 1) {
reg |= MVMAP2315_PADWRAP_PD_EN;
reg &= ~MVMAP2315_PADWRAP_PU_EN;
} else if (pinmux.pull_sel == 2) {
reg &= ~MVMAP2315_PADWRAP_PD_EN;
reg |= MVMAP2315_PADWRAP_PU_EN;
}
write32(&mvmap2315_pinmux->io_pad_piocfg[pad_num], reg);
}
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