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