1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2016 Freescale Semiconductor, Inc. 4 */ 5 6 #include <common.h> 7 #include <init.h> 8 #include <asm/global_data.h> 9 #include <asm/io.h> 10 #include <asm/arch/sys_proto.h> 11 #include <asm/arch/mx7ulp-pins.h> 12 #include <asm/arch/iomux.h> 13 #include <asm/gpio.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 #define UART_PAD_CTRL (PAD_CTL_PUS_UP) 18 dram_init(void)19int dram_init(void) 20 { 21 gd->ram_size = imx_ddr_size(); 22 23 return 0; 24 } 25 26 static iomux_cfg_t const lpuart4_pads[] = { 27 MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL), 28 MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL), 29 }; 30 setup_iomux_uart(void)31static void setup_iomux_uart(void) 32 { 33 mx7ulp_iomux_setup_multiple_pads(lpuart4_pads, 34 ARRAY_SIZE(lpuart4_pads)); 35 } 36 board_early_init_f(void)37int board_early_init_f(void) 38 { 39 setup_iomux_uart(); 40 41 return 0; 42 } 43 board_init(void)44int board_init(void) 45 { 46 /* address of boot parameters */ 47 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 48 49 return 0; 50 } 51