| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2018 NXP |
| */ |
| |
| #include <common.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++; |
| } |
| } |
