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1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2019 Toradex
4  */
5 
6 #include <common.h>
7 #include <init.h>
8 
9 #include <asm/arch/clock.h>
10 #include <asm/arch/imx8-pins.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/sci/sci.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/gpio.h>
15 #include <asm/io.h>
16 #include <env.h>
17 #include <errno.h>
18 #include <linux/libfdt.h>
19 
20 #include "../common/tdx-cfg-block.h"
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 #define UART_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
25 			 (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
26 			 (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
27 			 (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
28 
29 static iomux_cfg_t uart1_pads[] = {
30 	SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
31 	SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
32 };
33 
setup_iomux_uart(void)34 static void setup_iomux_uart(void)
35 {
36 	imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
37 }
38 
board_early_init_f(void)39 int board_early_init_f(void)
40 {
41 	sc_pm_clock_rate_t rate = SC_80MHZ;
42 	sc_err_t err = 0;
43 
44 	/* Set UART1 clock root to 80 MHz and enable it */
45 	err = sc_pm_setup_uart(SC_R_UART_1, rate);
46 	if (err != SC_ERR_NONE)
47 		return 0;
48 
49 	setup_iomux_uart();
50 
51 	return 0;
52 }
53 
54 #if IS_ENABLED(CONFIG_DM_GPIO)
board_gpio_init(void)55 static void board_gpio_init(void)
56 {
57 	/* TODO */
58 }
59 #else
board_gpio_init(void)60 static inline void board_gpio_init(void) {}
61 #endif
62 
63 #if IS_ENABLED(CONFIG_FEC_MXC)
64 #include <miiphy.h>
65 
board_phy_config(struct phy_device * phydev)66 int board_phy_config(struct phy_device *phydev)
67 {
68 	if (phydev->drv->config)
69 		phydev->drv->config(phydev);
70 
71 	return 0;
72 }
73 #endif
74 
checkboard(void)75 int checkboard(void)
76 {
77 	puts("Model: Toradex Apalis iMX8\n");
78 
79 	build_info();
80 	print_bootinfo();
81 
82 	return 0;
83 }
84 
board_init(void)85 int board_init(void)
86 {
87 	board_gpio_init();
88 
89 	return 0;
90 }
91 
detail_board_ddr_info(void)92 void detail_board_ddr_info(void)
93 {
94 	puts("\nDDR    ");
95 }
96 
97 /*
98  * Board specific reset that is system reset.
99  */
reset_cpu(ulong addr)100 void reset_cpu(ulong addr)
101 {
102 	/* TODO */
103 }
104 
105 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,bd_t * bd)106 int ft_board_setup(void *blob, bd_t *bd)
107 {
108 	return ft_common_board_setup(blob, bd);
109 }
110 #endif
111 
board_mmc_get_env_dev(int devno)112 int board_mmc_get_env_dev(int devno)
113 {
114 	return devno;
115 }
116 
board_late_init(void)117 int board_late_init(void)
118 {
119 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
120 /* TODO move to common */
121 	env_set("board_name", "Apalis iMX8QM");
122 	env_set("board_rev", "v1.0");
123 #endif
124 
125 	return 0;
126 }
127