u-boot/arch/arm/mach-imx/imx8/iomux.c
Peng Fan 99ac6c769f imx: move imx8 sci header file to include/firmware/imx
Move imx8 sci header file to include/firmware/imx, then we could
use build macro to reuse some i.MX8 drivers for i.MX9, such as
drivers/cpu/imx8_cpu.c.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Stefano Babic <sbabic@denx.de>
2023-05-21 16:54:32 +02:00

45 lines
944 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 NXP
*/
#include <common.h>
#include <log.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/iomux.h>
#include <firmware/imx/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++;
}
}