83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/* Copyright (c) 2013-2015, The Linux Foundation. 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 The Linux Foundation 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 IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <debug.h>
|
|
#include <reg.h>
|
|
#include <platform/iomap.h>
|
|
#include <platform/gpio.h>
|
|
#include <gsbi.h>
|
|
#include <blsp_qup.h>
|
|
|
|
void gpio_tlmm_config(uint32_t gpio, uint8_t func,
|
|
uint8_t dir, uint8_t pull,
|
|
uint8_t drvstr, uint32_t enable)
|
|
{
|
|
uint32_t val = 0;
|
|
val |= pull;
|
|
val |= func << 2;
|
|
val |= drvstr << 6;
|
|
val |= enable << 9;
|
|
writel(val, (unsigned int *)GPIO_CONFIG_ADDR(gpio));
|
|
return;
|
|
}
|
|
|
|
void gpio_set(uint32_t gpio, uint32_t dir)
|
|
{
|
|
writel(dir, (unsigned int *)GPIO_IN_OUT_ADDR(gpio));
|
|
return;
|
|
}
|
|
|
|
void gpio_config_uart_dm(uint8_t id)
|
|
{
|
|
static struct {
|
|
unsigned int gpio_tx;
|
|
unsigned int gpio_rx;
|
|
unsigned int function;
|
|
} gpio_table[] = {
|
|
{ 8, 6, 3 },
|
|
{ 4, 5, 2 },
|
|
{ 12, 13, 2 },
|
|
{ 10, 11, 1 },
|
|
};
|
|
|
|
if (id >= ARRAY_SIZE(gpio_table))
|
|
return;
|
|
|
|
/* configure rx gpio */
|
|
gpio_tlmm_config(gpio_table[id].gpio_rx, gpio_table[id].function,
|
|
GPIO_INPUT, GPIO_NO_PULL, GPIO_8MA, GPIO_DISABLE);
|
|
|
|
/* configure tx gpio */
|
|
gpio_tlmm_config(gpio_table[id].gpio_tx, gpio_table[id].function,
|
|
GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA, GPIO_DISABLE);
|
|
}
|
|
|
|
void gpio_config_blsp_i2c(uint8_t blsp_id, uint8_t qup_id)
|
|
{
|
|
}
|