1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016 Freescale Semiconductor, Inc.
4  */
5 
6 #include <asm/arch/clock.h>
7 #include <asm/arch/iomux.h>
8 #include <asm/arch/imx-regs.h>
9 #include <asm/arch/crm_regs.h>
10 #include <asm/arch/mx6-pins.h>
11 #include <asm/arch/sys_proto.h>
12 #include <asm/gpio.h>
13 #include <asm/mach-imx/iomux-v3.h>
14 #include <asm/mach-imx/boot_mode.h>
15 #include <asm/io.h>
16 #include <common.h>
17 #include <fsl_esdhc.h>
18 #include <linux/sizes.h>
19 #include <mmc.h>
20 
21 DECLARE_GLOBAL_DATA_PTR;
22 
23 #define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
24 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
25 	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
26 
27 int dram_init(void)
28 {
29 	gd->ram_size = imx_ddr_size();
30 
31 	return 0;
32 }
33 
34 static iomux_v3_cfg_t const uart1_pads[] = {
35 	MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
36 	MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
37 };
38 
39 static void setup_iomux_uart(void)
40 {
41 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
42 }
43 
44 int board_mmc_get_env_dev(int devno)
45 {
46 	return devno;
47 }
48 
49 int mmc_map_to_kernel_blk(int devno)
50 {
51 	return devno;
52 }
53 
54 int board_early_init_f(void)
55 {
56 	setup_iomux_uart();
57 
58 	return 0;
59 }
60 
61 int board_init(void)
62 {
63 	/* Address of boot parameters */
64 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
65 
66 	return 0;
67 }
68 
69 #ifdef CONFIG_CMD_BMODE
70 static const struct boot_mode board_boot_modes[] = {
71 	/* 4 bit bus width */
72 	{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
73 	{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
74 	{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
75 	{NULL,	 0},
76 };
77 #endif
78 
79 int board_late_init(void)
80 {
81 #ifdef CONFIG_CMD_BMODE
82 	add_board_boot_modes(board_boot_modes);
83 #endif
84 
85 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
86 	env_set("board_name", "EVK");
87 	env_set("board_rev", "14X14");
88 #endif
89 
90 	return 0;
91 }
92 
93 int checkboard(void)
94 {
95 	puts("Board: MX6ULL 14x14 EVK\n");
96 
97 	return 0;
98 }
99