blob: 330a23ba490c59ecaa208769121d34a91e512188 [file] [log] [blame]
/***********************license start***********************************
* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* This Software, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
#include <bdk.h>
#include "libbdk-arch/bdk-csrs-gpio.h"
#include "libbdk-hal/bdk-config.h"
#include "libbdk-hal/bdk-gpio.h"
#include "libbdk-boot/bdk-boot-gpio.h"
/**
* Configure GPIO on all nodes as part of booting
*/
void bdk_boot_gpio(void)
{
const int NUM_GPIO = bdk_gpio_get_num();
for (bdk_node_t n = BDK_NODE_0; n < BDK_NUMA_MAX_NODES; n++)
{
if (bdk_numa_exists(n))
{
for (int gpio = 0; gpio < NUM_GPIO; gpio++)
{
int pin_sel = bdk_config_get_int(BDK_CONFIG_GPIO_PIN_SELECT, gpio, n);
if (pin_sel >= 0)
{
BDK_TRACE(INIT, "Connecting N%d.GPIO%d to pin select 0x%x\n",
n, gpio, pin_sel);
bdk_gpio_select_pin(n, gpio, pin_sel);
}
int invert = bdk_config_get_int(BDK_CONFIG_GPIO_POLARITY, gpio, n);
if (invert)
BDK_CSR_MODIFY(c, n, BDK_GPIO_BIT_CFGX(gpio), c.s.pin_xor = 1);
}
}
}
}