1 /*
2  * Copyright (C) 2016 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <asm/arch/clock.h>
8 #include <asm/arch/iomux.h>
9 #include <asm/arch/imx-regs.h>
10 #include <asm/arch/crm_regs.h>
11 #include <asm/arch/mx6-pins.h>
12 #include <asm/arch/sys_proto.h>
13 #include <asm/gpio.h>
14 #include <asm/mach-imx/iomux-v3.h>
15 #include <asm/mach-imx/boot_mode.h>
16 #include <asm/io.h>
17 #include <common.h>
18 #include <fsl_esdhc.h>
19 #include <linux/sizes.h>
20 #include <mmc.h>
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 #define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
25 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
26 	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
27 
28 int dram_init(void)
29 {
30 	gd->ram_size = imx_ddr_size();
31 
32 	return 0;
33 }
34 
35 static iomux_v3_cfg_t const uart1_pads[] = {
36 	MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
37 	MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
38 };
39 
40 static void setup_iomux_uart(void)
41 {
42 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
43 }
44 
45 int board_mmc_get_env_dev(int devno)
46 {
47 	return devno;
48 }
49 
50 int mmc_map_to_kernel_blk(int devno)
51 {
52 	return devno;
53 }
54 
55 int board_early_init_f(void)
56 {
57 	setup_iomux_uart();
58 
59 	return 0;
60 }
61 
62 int board_init(void)
63 {
64 	/* Address of boot parameters */
65 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
66 
67 	return 0;
68 }
69 
70 #ifdef CONFIG_CMD_BMODE
71 static const struct boot_mode board_boot_modes[] = {
72 	/* 4 bit bus width */
73 	{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
74 	{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
75 	{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
76 	{NULL,	 0},
77 };
78 #endif
79 
80 int board_late_init(void)
81 {
82 #ifdef CONFIG_CMD_BMODE
83 	add_board_boot_modes(board_boot_modes);
84 #endif
85 
86 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
87 	setenv("board_name", "EVK");
88 	setenv("board_rev", "14X14");
89 #endif
90 
91 	return 0;
92 }
93 
94 int checkboard(void)
95 {
96 	puts("Board: MX6ULL 14x14 EVK\n");
97 
98 	return 0;
99 }
100