mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 23:47:24 +00:00
44 lines
911 B
C
44 lines
911 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2018 NXP
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <log.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/iomux.h>
|
|
#include <asm/arch/sci/sci.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*
|
|
* configures a single pad in the iomuxer
|
|
*/
|
|
void imx8_iomux_setup_pad(iomux_cfg_t pad)
|
|
{
|
|
sc_pad_t pin_id = pad & PIN_ID_MASK;
|
|
int ret;
|
|
|
|
u32 val = (u32)((pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT);
|
|
|
|
val |= PADRING_IFMUX_EN_MASK;
|
|
val |= PADRING_GP_EN_MASK;
|
|
|
|
ret = sc_pad_set(-1, pin_id, val);
|
|
if (ret)
|
|
printf("sc_pad_set failed!, pin: %u, val: 0x%x\n", pin_id, val);
|
|
|
|
debug("iomux: pin %d, val = 0x%x\n", pin_id, val);
|
|
}
|
|
|
|
/* configures a list of pads within declared with IOMUX_PADS macro */
|
|
void imx8_iomux_setup_multiple_pads(iomux_cfg_t const *pad_list, u32 count)
|
|
{
|
|
iomux_cfg_t const *p = pad_list;
|
|
int i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
imx8_iomux_setup_pad(*p);
|
|
p++;
|
|
}
|
|
}
|