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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2019
* Angelo Dureghello <angleo@sysam.it>
*
* CPU specific dspi routines
*/
#include <common.h>
#include <asm/immap.h>
#include <asm/io.h>
#ifdef CONFIG_CF_DSPI
void dspi_chip_select(int cs)
{
struct gpio *gpio = (struct gpio *)MMAP_GPIO;
#ifdef CONFIG_MCF5441x
switch (cs) {
case 0:
clrbits_8(&gpio->par_dspi0,
~GPIO_PAR_DSPI0_PCS0_MASK);
setbits_8(&gpio->par_dspi0,
GPIO_PAR_DSPI0_PCS0_DSPI0PCS0);
break;
case 1:
clrbits_8(&gpio->par_dspiow,
GPIO_PAR_DSPIOW_DSPI0PSC1);
setbits_8(&gpio->par_dspiow,
GPIO_PAR_DSPIOW_DSPI0PSC1);
break;
}
#endif
}
void dspi_chip_unselect(int cs)
{
struct gpio *gpio = (struct gpio *)MMAP_GPIO;
#ifdef CONFIG_MCF5441x
if (cs == 1)
clrbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1);
#endif
}
#endif /* CONFIG_CF_DSPI */
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