1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2018 NXP 4 */ 5 6 #include <common.h> 7 #include <asm/io.h> 8 #include <asm/arch/iomux.h> 9 #include <asm/arch/sci/sci.h> 10 11 DECLARE_GLOBAL_DATA_PTR; 12 13 /* 14 * configures a single pad in the iomuxer 15 */ 16 void imx8_iomux_setup_pad(iomux_cfg_t pad) 17 { 18 sc_pad_t pin_id = pad & PIN_ID_MASK; 19 int ret; 20 21 u32 val = (u32)((pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT); 22 23 val |= PADRING_IFMUX_EN_MASK; 24 val |= PADRING_GP_EN_MASK; 25 26 ret = sc_pad_set(-1, pin_id, val); 27 if (ret) 28 printf("sc_pad_set failed!, pin: %u, val: 0x%x\n", pin_id, val); 29 30 debug("iomux: pin %d, val = 0x%x\n", pin_id, val); 31 } 32 33 /* configures a list of pads within declared with IOMUX_PADS macro */ 34 void imx8_iomux_setup_multiple_pads(iomux_cfg_t const *pad_list, u32 count) 35 { 36 iomux_cfg_t const *p = pad_list; 37 int i; 38 39 for (i = 0; i < count; i++) { 40 imx8_iomux_setup_pad(*p); 41 p++; 42 } 43 } 44