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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google 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.
*
* 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.
*/
#include <arch/io.h>
#include <soc/addressmap.h>
#include "apbmisc.h"
static struct apbmisc *misc = (struct apbmisc *)TEGRA_APB_MISC_BASE;
void enable_jtag(void)
{
write32(&misc->pp_config_ctl, PP_CONFIG_CTL_JTAG);
}
void clamp_tristate_inputs(void)
{
write32(&misc->pp_pinmux_global, PP_PINMUX_CLAMP_INPUTS);
}
void tegra_revision_info(struct tegra_revision *id)
{
uintptr_t gp_hidrev= (uintptr_t)TEGRA_APB_MISC_BASE + MISC_GP_HIDREV;
uint32_t reg;
reg = read32((void *)(gp_hidrev));
id->hid_fam = (reg >> 0) & 0x0f;
id->chip_id = (reg >> 8) & 0xff;
id->major = (reg >> 4) & 0x0f;
id->minor = (reg >> 16) & 0x07;
}
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